diff --git a/.github/workflows/binaries_dev.yml b/.github/workflows/binaries_dev.yml
index 215eee2ba..84845817c 100644
--- a/.github/workflows/binaries_dev.yml
+++ b/.github/workflows/binaries_dev.yml
@@ -44,7 +44,7 @@ jobs:
         run: echo BUILD_TIME=$(date -u +%Y%m%d-%H%M) >> ${GITHUB_ENV}
 
       - name: Go Release Binaries Large Disk
-        uses: wangyoucao577/go-release-action@8fa1e8368c8465264d64e0198208e10f71474c87 # v1.22
+        uses: wangyoucao577/go-release-action@6ac7dba1f9e61850053324549cb6bc88e4b473d2 # v1.22
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           goos: ${{ matrix.goos }}
@@ -60,7 +60,7 @@ jobs:
           asset_name: "weed-large-disk-${{ env.BUILD_TIME }}-${{ matrix.goos }}-${{ matrix.goarch }}"
 
       - name: Go Release Binaries Normal Volume Size
-        uses: wangyoucao577/go-release-action@8fa1e8368c8465264d64e0198208e10f71474c87 # v1.22
+        uses: wangyoucao577/go-release-action@6ac7dba1f9e61850053324549cb6bc88e4b473d2 # v1.22
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           goos: ${{ matrix.goos }}
@@ -93,7 +93,7 @@ jobs:
         run: echo BUILD_TIME=$(date -u +%Y%m%d-%H%M) >> ${GITHUB_ENV}
 
       - name: Go Release Binaries Large Disk
-        uses: wangyoucao577/go-release-action@8fa1e8368c8465264d64e0198208e10f71474c87 # v1.22
+        uses: wangyoucao577/go-release-action@6ac7dba1f9e61850053324549cb6bc88e4b473d2 # v1.22
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           goos: ${{ matrix.goos }}
@@ -109,7 +109,7 @@ jobs:
           asset_name: "weed-large-disk-${{ env.BUILD_TIME }}-${{ matrix.goos }}-${{ matrix.goarch }}"
 
       - name: Go Release Binaries Normal Volume Size
-        uses: wangyoucao577/go-release-action@8fa1e8368c8465264d64e0198208e10f71474c87 # v1.22
+        uses: wangyoucao577/go-release-action@6ac7dba1f9e61850053324549cb6bc88e4b473d2 # v1.22
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           goos: ${{ matrix.goos }}
diff --git a/.github/workflows/binaries_release0.yml b/.github/workflows/binaries_release0.yml
index dfb7e4bb8..c59ad26dd 100644
--- a/.github/workflows/binaries_release0.yml
+++ b/.github/workflows/binaries_release0.yml
@@ -30,7 +30,7 @@ jobs:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v2
       - name: Go Release Binaries Normal Volume Size
-        uses: wangyoucao577/go-release-action@8fa1e8368c8465264d64e0198208e10f71474c87 # v1.22
+        uses: wangyoucao577/go-release-action@6ac7dba1f9e61850053324549cb6bc88e4b473d2 # v1.22
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           goos: ${{ matrix.goos }}
@@ -44,7 +44,7 @@ jobs:
           binary_name: weed
           asset_name: "${{ matrix.goos }}_${{ matrix.goarch }}"
       - name: Go Release Large Disk Binaries
-        uses: wangyoucao577/go-release-action@8fa1e8368c8465264d64e0198208e10f71474c87 # v1.22
+        uses: wangyoucao577/go-release-action@6ac7dba1f9e61850053324549cb6bc88e4b473d2 # v1.22
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           goos: ${{ matrix.goos }}
diff --git a/.github/workflows/binaries_release1.yml b/.github/workflows/binaries_release1.yml
index 4a3c85c68..10120c2dd 100644
--- a/.github/workflows/binaries_release1.yml
+++ b/.github/workflows/binaries_release1.yml
@@ -30,7 +30,7 @@ jobs:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v2
       - name: Go Release Binaries Normal Volume Size
-        uses: wangyoucao577/go-release-action@8fa1e8368c8465264d64e0198208e10f71474c87 # v1.22
+        uses: wangyoucao577/go-release-action@6ac7dba1f9e61850053324549cb6bc88e4b473d2 # v1.22
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           goos: ${{ matrix.goos }}
@@ -44,7 +44,7 @@ jobs:
           binary_name: weed
           asset_name: "${{ matrix.goos }}_${{ matrix.goarch }}"
       - name: Go Release Large Disk Binaries
-        uses: wangyoucao577/go-release-action@8fa1e8368c8465264d64e0198208e10f71474c87 # v1.22
+        uses: wangyoucao577/go-release-action@6ac7dba1f9e61850053324549cb6bc88e4b473d2 # v1.22
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           goos: ${{ matrix.goos }}
diff --git a/.github/workflows/binaries_release2.yml b/.github/workflows/binaries_release2.yml
index 0061de42b..4efa6509a 100644
--- a/.github/workflows/binaries_release2.yml
+++ b/.github/workflows/binaries_release2.yml
@@ -30,7 +30,7 @@ jobs:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v2
       - name: Go Release Binaries Normal Volume Size
-        uses: wangyoucao577/go-release-action@8fa1e8368c8465264d64e0198208e10f71474c87 # v1.22
+        uses: wangyoucao577/go-release-action@6ac7dba1f9e61850053324549cb6bc88e4b473d2 # v1.22
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           goos: ${{ matrix.goos }}
@@ -44,7 +44,7 @@ jobs:
           binary_name: weed
           asset_name: "${{ matrix.goos }}_${{ matrix.goarch }}"
       - name: Go Release Large Disk Binaries
-        uses: wangyoucao577/go-release-action@8fa1e8368c8465264d64e0198208e10f71474c87 # v1.22
+        uses: wangyoucao577/go-release-action@6ac7dba1f9e61850053324549cb6bc88e4b473d2 # v1.22
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           goos: ${{ matrix.goos }}
diff --git a/.github/workflows/binaries_release3.yml b/.github/workflows/binaries_release3.yml
index 727b11019..fa8405067 100644
--- a/.github/workflows/binaries_release3.yml
+++ b/.github/workflows/binaries_release3.yml
@@ -30,7 +30,7 @@ jobs:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v2
       - name: Go Release Binaries Normal Volume Size
-        uses: wangyoucao577/go-release-action@8fa1e8368c8465264d64e0198208e10f71474c87 # v1.22
+        uses: wangyoucao577/go-release-action@6ac7dba1f9e61850053324549cb6bc88e4b473d2 # v1.22
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           goos: ${{ matrix.goos }}
@@ -44,7 +44,7 @@ jobs:
           binary_name: weed
           asset_name: "${{ matrix.goos }}_${{ matrix.goarch }}"
       - name: Go Release Large Disk Binaries
-        uses: wangyoucao577/go-release-action@8fa1e8368c8465264d64e0198208e10f71474c87 # v1.22
+        uses: wangyoucao577/go-release-action@6ac7dba1f9e61850053324549cb6bc88e4b473d2 # v1.22
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           goos: ${{ matrix.goos }}
diff --git a/.github/workflows/binaries_release4.yml b/.github/workflows/binaries_release4.yml
index 3fcd2ee47..cf760a816 100644
--- a/.github/workflows/binaries_release4.yml
+++ b/.github/workflows/binaries_release4.yml
@@ -30,7 +30,7 @@ jobs:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v2
       - name: Go Release Binaries Normal Volume Size
-        uses: wangyoucao577/go-release-action@8fa1e8368c8465264d64e0198208e10f71474c87 # v1.22
+        uses: wangyoucao577/go-release-action@6ac7dba1f9e61850053324549cb6bc88e4b473d2 # v1.22
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           goos: ${{ matrix.goos }}
@@ -45,7 +45,7 @@ jobs:
           binary_name: weed
           asset_name: "${{ matrix.goos }}_${{ matrix.goarch }}_full"
       - name: Go Release Large Disk Binaries
-        uses: wangyoucao577/go-release-action@8fa1e8368c8465264d64e0198208e10f71474c87 # v1.22
+        uses: wangyoucao577/go-release-action@6ac7dba1f9e61850053324549cb6bc88e4b473d2 # v1.22
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           goos: ${{ matrix.goos }}
diff --git a/.github/workflows/container_dev.yml b/.github/workflows/container_dev.yml
index a075022dd..eb8524493 100644
--- a/.github/workflows/container_dev.yml
+++ b/.github/workflows/container_dev.yml
@@ -33,30 +33,30 @@ jobs:
             org.opencontainers.image.vendor=Chris Lu
       -
         name: Set up QEMU
-        uses: docker/setup-qemu-action@68827325e0b33c7199eb31dd4e31fbe9023e06e3 # v1
+        uses: docker/setup-qemu-action@49b3bc8e6bdd4a60e6116a5414239cba5943d3cf # v1
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@d70bba72b1f3fd22344832f00baa16ece964efeb # v1
+        uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v1
         with:
           buildkitd-flags: "--debug"
       -
         name: Login to Docker Hub
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@0d4c9c5ea7693da7b068278f7b52bda2a190a446 # v1
+        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v1
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
       -
         name: Login to GHCR
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@0d4c9c5ea7693da7b068278f7b52bda2a190a446 # v1
+        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v1
         with:
           registry: ghcr.io
           username: ${{ secrets.GHCR_USERNAME }}
           password: ${{ secrets.GHCR_TOKEN }}
       -
         name: Build
-        uses: docker/build-push-action@ca052bb54ab0790a636c9b5f226502c73d547a25 # v2
+        uses: docker/build-push-action@5176d81f87c23d6fc96624dfdbcd9f3830bbe445 # v2
         with:
           context: ./docker
           push: ${{ github.event_name != 'pull_request' }}
diff --git a/.github/workflows/container_latest.yml b/.github/workflows/container_latest.yml
index ba14dac1f..425e26028 100644
--- a/.github/workflows/container_latest.yml
+++ b/.github/workflows/container_latest.yml
@@ -34,30 +34,30 @@ jobs:
             org.opencontainers.image.vendor=Chris Lu
       -
         name: Set up QEMU
-        uses: docker/setup-qemu-action@68827325e0b33c7199eb31dd4e31fbe9023e06e3 # v1
+        uses: docker/setup-qemu-action@49b3bc8e6bdd4a60e6116a5414239cba5943d3cf # v1
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@d70bba72b1f3fd22344832f00baa16ece964efeb # v1
+        uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v1
         with:
           buildkitd-flags: "--debug"
       -
         name: Login to Docker Hub
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@0d4c9c5ea7693da7b068278f7b52bda2a190a446 # v1
+        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v1
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
       -
         name: Login to GHCR
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@0d4c9c5ea7693da7b068278f7b52bda2a190a446 # v1
+        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v1
         with:
           registry: ghcr.io
           username: ${{ secrets.GHCR_USERNAME }}
           password: ${{ secrets.GHCR_TOKEN }}
       -
         name: Build
-        uses: docker/build-push-action@ca052bb54ab0790a636c9b5f226502c73d547a25 # v2
+        uses: docker/build-push-action@5176d81f87c23d6fc96624dfdbcd9f3830bbe445 # v2
         with:
           context: ./docker
           push: ${{ github.event_name != 'pull_request' }}
diff --git a/.github/workflows/container_release1.yml b/.github/workflows/container_release1.yml
index 1374c07a1..1fc3e9145 100644
--- a/.github/workflows/container_release1.yml
+++ b/.github/workflows/container_release1.yml
@@ -34,20 +34,20 @@ jobs:
             org.opencontainers.image.vendor=Chris Lu
       -
         name: Set up QEMU
-        uses: docker/setup-qemu-action@68827325e0b33c7199eb31dd4e31fbe9023e06e3 # v1
+        uses: docker/setup-qemu-action@49b3bc8e6bdd4a60e6116a5414239cba5943d3cf # v1
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@d70bba72b1f3fd22344832f00baa16ece964efeb # v1
+        uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v1
       -
         name: Login to Docker Hub
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@0d4c9c5ea7693da7b068278f7b52bda2a190a446 # v1
+        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v1
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
       -
         name: Build
-        uses: docker/build-push-action@ca052bb54ab0790a636c9b5f226502c73d547a25 # v2
+        uses: docker/build-push-action@5176d81f87c23d6fc96624dfdbcd9f3830bbe445 # v2
         with:
           context: ./docker
           push: ${{ github.event_name != 'pull_request' }}
diff --git a/.github/workflows/container_release2.yml b/.github/workflows/container_release2.yml
index bad1adf8f..69eb1e356 100644
--- a/.github/workflows/container_release2.yml
+++ b/.github/workflows/container_release2.yml
@@ -35,20 +35,20 @@ jobs:
             org.opencontainers.image.vendor=Chris Lu
       -
         name: Set up QEMU
-        uses: docker/setup-qemu-action@68827325e0b33c7199eb31dd4e31fbe9023e06e3 # v1
+        uses: docker/setup-qemu-action@49b3bc8e6bdd4a60e6116a5414239cba5943d3cf # v1
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@d70bba72b1f3fd22344832f00baa16ece964efeb # v1
+        uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v1
       -
         name: Login to Docker Hub
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@0d4c9c5ea7693da7b068278f7b52bda2a190a446 # v1
+        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v1
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
       -
         name: Build
-        uses: docker/build-push-action@ca052bb54ab0790a636c9b5f226502c73d547a25 # v2
+        uses: docker/build-push-action@5176d81f87c23d6fc96624dfdbcd9f3830bbe445 # v2
         with:
           context: ./docker
           push: ${{ github.event_name != 'pull_request' }}
diff --git a/.github/workflows/container_release3.yml b/.github/workflows/container_release3.yml
index af6bb78f0..356321fb0 100644
--- a/.github/workflows/container_release3.yml
+++ b/.github/workflows/container_release3.yml
@@ -35,20 +35,20 @@ jobs:
             org.opencontainers.image.vendor=Chris Lu
       -
         name: Set up QEMU
-        uses: docker/setup-qemu-action@68827325e0b33c7199eb31dd4e31fbe9023e06e3 # v1
+        uses: docker/setup-qemu-action@49b3bc8e6bdd4a60e6116a5414239cba5943d3cf # v1
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@d70bba72b1f3fd22344832f00baa16ece964efeb # v1
+        uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v1
       -
         name: Login to Docker Hub
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@0d4c9c5ea7693da7b068278f7b52bda2a190a446 # v1
+        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v1
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
       -
         name: Build
-        uses: docker/build-push-action@ca052bb54ab0790a636c9b5f226502c73d547a25 # v2
+        uses: docker/build-push-action@5176d81f87c23d6fc96624dfdbcd9f3830bbe445 # v2
         with:
           context: ./docker
           push: ${{ github.event_name != 'pull_request' }}
diff --git a/.github/workflows/container_release4.yml b/.github/workflows/container_release4.yml
index 232d44c1f..2b4682adb 100644
--- a/.github/workflows/container_release4.yml
+++ b/.github/workflows/container_release4.yml
@@ -34,20 +34,20 @@ jobs:
             org.opencontainers.image.vendor=Chris Lu
       -
         name: Set up QEMU
-        uses: docker/setup-qemu-action@68827325e0b33c7199eb31dd4e31fbe9023e06e3 # v1
+        uses: docker/setup-qemu-action@49b3bc8e6bdd4a60e6116a5414239cba5943d3cf # v1
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@d70bba72b1f3fd22344832f00baa16ece964efeb # v1
+        uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v1
       -
         name: Login to Docker Hub
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@0d4c9c5ea7693da7b068278f7b52bda2a190a446 # v1
+        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v1
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
       -
         name: Build
-        uses: docker/build-push-action@ca052bb54ab0790a636c9b5f226502c73d547a25 # v2
+        uses: docker/build-push-action@5176d81f87c23d6fc96624dfdbcd9f3830bbe445 # v2
         with:
           context: ./docker
           push: ${{ github.event_name != 'pull_request' }}
diff --git a/.github/workflows/container_release5.yml b/.github/workflows/container_release5.yml
index bea6f346b..fc12fe6a0 100644
--- a/.github/workflows/container_release5.yml
+++ b/.github/workflows/container_release5.yml
@@ -34,20 +34,20 @@ jobs:
             org.opencontainers.image.vendor=Chris Lu
       -
         name: Set up QEMU
-        uses: docker/setup-qemu-action@68827325e0b33c7199eb31dd4e31fbe9023e06e3 # v1
+        uses: docker/setup-qemu-action@49b3bc8e6bdd4a60e6116a5414239cba5943d3cf # v1
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@d70bba72b1f3fd22344832f00baa16ece964efeb # v1
+        uses: docker/setup-buildx-action@988b5a0280414f521da01fcc63a27aeeb4b104db # v1
       -
         name: Login to Docker Hub
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@0d4c9c5ea7693da7b068278f7b52bda2a190a446 # v1
+        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v1
         with:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
       -
         name: Build
-        uses: docker/build-push-action@ca052bb54ab0790a636c9b5f226502c73d547a25 # v2
+        uses: docker/build-push-action@5176d81f87c23d6fc96624dfdbcd9f3830bbe445 # v2
         with:
           context: ./docker
           push: ${{ github.event_name != 'pull_request' }}
diff --git a/.github/workflows/s3tests.yml b/.github/workflows/s3tests.yml
index 866f2d888..f7f762fc1 100644
--- a/.github/workflows/s3tests.yml
+++ b/.github/workflows/s3tests.yml
@@ -34,7 +34,7 @@ jobs:
           go-version-file: 'go.mod'
         id: go
 
-      - name: Run Ceph S3 tests
+      - name: Run Ceph S3 tests with KV store
         timeout-minutes: 15
         env:
           S3TEST_CONF: /__w/seaweedfs/seaweedfs/docker/compose/s3tests.conf
@@ -43,17 +43,21 @@ jobs:
           cd /__w/seaweedfs/seaweedfs/weed
           go install -buildvcs=false
           set -x
-          nohup weed -v 0 server -filer -filer.maxMB=64 -s3 -ip.bind 0.0.0.0 \
+          weed -v 0 server -filer -filer.maxMB=64 -s3 -ip.bind 0.0.0.0 \
             -master.raftHashicorp -master.electionTimeout 1s -master.volumeSizeLimitMB=1024 \
             -volume.max=100 -volume.preStopSeconds=1 -s3.port=8000 -metricsPort=9324 \
             -s3.allowEmptyFolder=false -s3.allowDeleteBucketNotEmpty=true -s3.config=../docker/compose/s3.json &
+          pid=$!
           sleep 10          
           cd /s3-tests
+          sed -i "s/assert prefixes == \['foo%2B1\/', 'foo\/', 'quux%20ab\/'\]/assert prefixes == \['foo\/', 'foo%2B1\/', 'quux%20ab\/'\]/" s3tests_boto3/functional/test_s3.py
           tox -- \
           s3tests_boto3/functional/test_s3.py::test_bucket_list_empty \
           s3tests_boto3/functional/test_s3.py::test_bucket_list_distinct \
           s3tests_boto3/functional/test_s3.py::test_bucket_list_many \
           s3tests_boto3/functional/test_s3.py::test_bucket_listv2_many \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_delimiter_basic \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_encoding_basic \
           s3tests_boto3/functional/test_s3.py::test_bucket_listv2_delimiter_prefix \
           s3tests_boto3/functional/test_s3.py::test_bucket_listv2_delimiter_prefix_ends_with_delimiter \
           s3tests_boto3/functional/test_s3.py::test_bucket_listv2_delimiter_alt \
@@ -94,6 +98,7 @@ jobs:
           s3tests_boto3/functional/test_s3.py::test_bucket_listv2_maxkeys_zero \
           s3tests_boto3/functional/test_s3.py::test_bucket_list_marker_none \
           s3tests_boto3/functional/test_s3.py::test_bucket_list_marker_empty \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_continuationtoken_empty \
           s3tests_boto3/functional/test_s3.py::test_bucket_listv2_continuationtoken \
           s3tests_boto3/functional/test_s3.py::test_bucket_listv2_both_continuationtoken_startafter \
           s3tests_boto3/functional/test_s3.py::test_bucket_list_marker_unreadable \
@@ -198,3 +203,84 @@ jobs:
           s3tests_boto3/functional/test_s3.py::test_lifecycle_set \
           s3tests_boto3/functional/test_s3.py::test_lifecycle_get \
           s3tests_boto3/functional/test_s3.py::test_lifecycle_set_filter
+          kill -9 $pid || true
+
+      - name: Run Ceph S3 tests with SQL store
+        timeout-minutes: 15
+        env:
+          S3TEST_CONF: /__w/seaweedfs/seaweedfs/docker/compose/s3tests.conf
+        shell: bash
+        run: |
+          cd /__w/seaweedfs/seaweedfs/weed
+          go install -tags "sqlite" -buildvcs=false
+          export WEED_LEVELDB2_ENABLED="false" WEED_SQLITE_ENABLED="true" WEED_SQLITE_DBFILE="./filer.db"
+          set -x
+          weed -v 0 server -filer -filer.maxMB=64 -s3 -ip.bind 0.0.0.0 \
+            -master.raftHashicorp -master.electionTimeout 1s -master.volumeSizeLimitMB=1024 \
+            -volume.max=100 -volume.preStopSeconds=1 -s3.port=8000 -metricsPort=9324 \
+            -s3.allowEmptyFolder=false -s3.allowDeleteBucketNotEmpty=true -s3.config=../docker/compose/s3.json &
+          pid=$!
+          sleep 10          
+          cd /s3-tests
+          sed -i "s/assert prefixes == \['foo%2B1\/', 'foo\/', 'quux%20ab\/'\]/assert prefixes == \['foo\/', 'foo%2B1\/', 'quux%20ab\/'\]/" s3tests_boto3/functional/test_s3.py
+          tox -- \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_empty \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_distinct \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_many \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_many \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_delimiter_basic \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_encoding_basic \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_delimiter_prefix \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_delimiter_prefix_ends_with_delimiter \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_delimiter_alt \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_delimiter_prefix_underscore \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_delimiter_percentage \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_delimiter_whitespace \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_delimiter_dot \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_delimiter_unreadable \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_delimiter_empty \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_delimiter_none \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_delimiter_not_exist \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_prefix_delimiter_basic \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_prefix_delimiter_basic \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_prefix_delimiter_alt \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_prefix_delimiter_alt \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_prefix_delimiter_prefix_not_exist \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_prefix_delimiter_prefix_not_exist \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_prefix_delimiter_delimiter_not_exist \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_prefix_delimiter_delimiter_not_exist \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_prefix_delimiter_prefix_delimiter_not_exist \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_prefix_delimiter_prefix_delimiter_not_exist \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_fetchowner_notempty \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_prefix_basic \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_prefix_basic \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_prefix_alt \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_prefix_alt \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_prefix_empty \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_prefix_empty \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_prefix_none \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_prefix_none \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_prefix_not_exist \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_prefix_not_exist \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_prefix_unreadable \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_prefix_unreadable \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_maxkeys_one \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_maxkeys_one \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_maxkeys_zero \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_maxkeys_zero \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_marker_none \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_marker_empty \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_continuationtoken_empty \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_continuationtoken \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_both_continuationtoken_startafter \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_marker_unreadable \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_startafter_unreadable \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_marker_not_in_list \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_startafter_not_in_list \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_marker_after_list \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_startafter_after_list \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_objects_anonymous_fail \
+          s3tests_boto3/functional/test_s3.py::test_bucket_listv2_objects_anonymous_fail \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_long_name \
+          s3tests_boto3/functional/test_s3.py::test_bucket_list_special_prefix
+          kill -9 $pid || true
diff --git a/README.md b/README.md
index 9de1ea54a..0a4f2c728 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,7 @@ Your support will be really appreciated by me and other supporters!
 ### Gold Sponsors
 [![nodion](https://raw.githubusercontent.com/seaweedfs/seaweedfs/master/note/sponsor_nodion.png)](https://www.nodion.com)
 [![piknik](https://raw.githubusercontent.com/seaweedfs/seaweedfs/master/note/piknik.png)](https://www.piknik.com)
+[![keepsec](https://raw.githubusercontent.com/seaweedfs/seaweedfs/master/note/keepsec.png)](https://www.keepsec.ca)
 
 ---
 
diff --git a/docker/Dockerfile.s3tests b/docker/Dockerfile.s3tests
index 4b7ea8d92..75c7f5f0a 100644
--- a/docker/Dockerfile.s3tests
+++ b/docker/Dockerfile.s3tests
@@ -25,7 +25,7 @@ ENV \
     NOSETESTS_EXCLUDE="" \
     NOSETESTS_ATTR="" \
     NOSETESTS_OPTIONS="" \
-    S3TEST_CONF="/s3test.conf"
+    S3TEST_CONF="/s3tests.conf"
 
 ENTRYPOINT ["/bin/bash", "-c"]
 CMD ["sleep 30 && exec ./virtualenv/bin/nosetests ${NOSETESTS_OPTIONS-} ${NOSETESTS_ATTR:+-a $NOSETESTS_ATTR} ${NOSETESTS_EXCLUDE:+-e $NOSETESTS_EXCLUDE}"]
diff --git a/go.mod b/go.mod
index 9d3d99c4a..d0b9150e3 100644
--- a/go.mod
+++ b/go.mod
@@ -3,13 +3,13 @@ module github.com/seaweedfs/seaweedfs
 go 1.22.0
 
 require (
-	cloud.google.com/go v0.113.0 // indirect
-	cloud.google.com/go/pubsub v1.38.0
-	cloud.google.com/go/storage v1.41.0
+	cloud.google.com/go v0.115.0 // indirect
+	cloud.google.com/go/pubsub v1.40.0
+	cloud.google.com/go/storage v1.42.0
 	github.com/Azure/azure-pipeline-go v0.2.3
 	github.com/Azure/azure-storage-blob-go v0.15.0
 	github.com/Shopify/sarama v1.38.1
-	github.com/aws/aws-sdk-go v1.53.5
+	github.com/aws/aws-sdk-go v1.55.5
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/bwmarrin/snowflake v0.3.0
 	github.com/cenkalti/backoff/v4 v4.3.0
@@ -27,9 +27,8 @@ require (
 	github.com/facebookgo/stack v0.0.0-20160209184415-751773369052 // indirect
 	github.com/facebookgo/stats v0.0.0-20151006221625-1b76add642e4
 	github.com/facebookgo/subset v0.0.0-20200203212716-c811ad88dec4 // indirect
-	github.com/fclairamb/ftpserverlib v0.24.0
+	github.com/fclairamb/ftpserverlib v0.24.1
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
-	github.com/go-redis/redis/v8 v8.11.5
 	github.com/go-redsync/redsync/v4 v4.13.0
 	github.com/go-sql-driver/mysql v1.8.1
 	github.com/go-zookeeper/zk v1.0.3 // indirect
@@ -40,7 +39,7 @@ require (
 	github.com/google/btree v1.1.2
 	github.com/google/uuid v1.6.0
 	github.com/google/wire v0.6.0 // indirect
-	github.com/googleapis/gax-go/v2 v2.12.4 // indirect
+	github.com/googleapis/gax-go/v2 v2.12.5 // indirect
 	github.com/gorilla/mux v1.8.1
 	github.com/hailocab/go-hostpool v0.0.0-20160125115350-e80d13ce29ed // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
@@ -53,11 +52,11 @@ require (
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/json-iterator/go v1.1.12
 	github.com/karlseguin/ccache/v2 v2.0.8
-	github.com/klauspost/compress v1.17.8 // indirect
-	github.com/klauspost/reedsolomon v1.12.1
+	github.com/klauspost/compress v1.17.9 // indirect
+	github.com/klauspost/reedsolomon v1.12.3
 	github.com/kurin/blazer v0.5.3
 	github.com/lib/pq v1.10.9
-	github.com/linxGnu/grocksdb v1.9.1
+	github.com/linxGnu/grocksdb v1.9.2
 	github.com/magiconair/properties v1.8.7 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/mattn/go-ieproxy v0.0.11 // indirect
@@ -71,7 +70,7 @@ require (
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/posener/complete v1.2.3
 	github.com/pquerna/cachecontrol v0.2.0
-	github.com/prometheus/client_golang v1.19.0
+	github.com/prometheus/client_golang v1.19.1
 	github.com/prometheus/client_model v0.5.0 // indirect
 	github.com/prometheus/common v0.48.0 // indirect
 	github.com/prometheus/procfs v0.15.1
@@ -97,85 +96,86 @@ require (
 	github.com/xdg-go/scram v1.1.2 // indirect
 	github.com/xdg-go/stringprep v1.0.4 // indirect
 	github.com/youmark/pkcs8 v0.0.0-20201027041543-1326539a0a0a // indirect
-	go.etcd.io/etcd/client/v3 v3.5.13
-	go.mongodb.org/mongo-driver v1.15.0
+	go.etcd.io/etcd/client/v3 v3.5.15
+	go.mongodb.org/mongo-driver v1.16.0
 	go.opencensus.io v0.24.0 // indirect
-	gocloud.dev v0.37.0
-	gocloud.dev/pubsub/natspubsub v0.37.0
-	gocloud.dev/pubsub/rabbitpubsub v0.37.0
-	golang.org/x/crypto v0.24.0 // indirect
-	golang.org/x/exp v0.0.0-20240112132812-db7319d0e0e3
-	golang.org/x/image v0.16.0
-	golang.org/x/net v0.26.0
-	golang.org/x/oauth2 v0.20.0 // indirect
-	golang.org/x/sys v0.21.0
+	gocloud.dev v0.38.0
+	gocloud.dev/pubsub/natspubsub v0.38.0
+	gocloud.dev/pubsub/rabbitpubsub v0.38.0
+	golang.org/x/crypto v0.25.0 // indirect
+	golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842
+	golang.org/x/image v0.18.0
+	golang.org/x/net v0.27.0
+	golang.org/x/oauth2 v0.21.0 // indirect
+	golang.org/x/sys v0.22.0
 	golang.org/x/text v0.16.0 // indirect
-	golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d
+	golang.org/x/tools v0.23.0
 	golang.org/x/xerrors v0.0.0-20231012003039-104605ab7028 // indirect
-	google.golang.org/api v0.181.0
-	google.golang.org/genproto v0.0.0-20240401170217-c3f982113cda // indirect
-	google.golang.org/grpc v1.64.0
-	google.golang.org/protobuf v1.34.1
+	google.golang.org/api v0.189.0
+	google.golang.org/genproto v0.0.0-20240722135656-d784300faade // indirect
+	google.golang.org/grpc v1.64.1
+	google.golang.org/protobuf v1.34.2
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	modernc.org/b v1.0.0 // indirect
-	modernc.org/libc v1.50.9 // indirect
+	modernc.org/libc v1.52.1 // indirect
 	modernc.org/mathutil v1.6.0
 	modernc.org/memory v1.8.0 // indirect
-	modernc.org/sqlite v1.30.0
+	modernc.org/sqlite v1.30.2
 	modernc.org/strutil v1.2.0
 	modernc.org/token v1.1.0 // indirect
 )
 
 require (
-	github.com/Jille/raft-grpc-transport v1.5.0
+	github.com/Jille/raft-grpc-transport v1.6.1
 	github.com/arangodb/go-driver v1.6.2
 	github.com/armon/go-metrics v0.4.1
-	github.com/aws/aws-sdk-go-v2 v1.27.0
+	github.com/aws/aws-sdk-go-v2 v1.30.3
 	github.com/aws/aws-sdk-go-v2/config v1.27.16
-	github.com/aws/aws-sdk-go-v2/credentials v1.17.16
-	github.com/aws/aws-sdk-go-v2/service/s3 v1.54.3
+	github.com/aws/aws-sdk-go-v2/credentials v1.17.27
+	github.com/aws/aws-sdk-go-v2/service/s3 v1.58.2
 	github.com/cognusion/imaging v1.0.1
 	github.com/fluent/fluent-logger-golang v1.9.0
-	github.com/getsentry/sentry-go v0.28.0
+	github.com/getsentry/sentry-go v0.28.1
 	github.com/golang-jwt/jwt/v5 v5.2.1
 	github.com/google/flatbuffers/go v0.0.0-20230108230133-3b8644d32c50
 	github.com/hanwen/go-fuse/v2 v2.5.1
-	github.com/hashicorp/raft v1.6.1
+	github.com/hashicorp/raft v1.7.0
 	github.com/hashicorp/raft-boltdb/v2 v2.3.0
 	github.com/orcaman/concurrent-map/v2 v2.0.1
-	github.com/parquet-go/parquet-go v0.22.0
-	github.com/rabbitmq/amqp091-go v1.9.0
-	github.com/rclone/rclone v1.66.0
+	github.com/parquet-go/parquet-go v0.23.0
+	github.com/rabbitmq/amqp091-go v1.10.0
+	github.com/rclone/rclone v1.67.0
 	github.com/rdleal/intervalst v1.4.0
-	github.com/schollz/progressbar/v3 v3.14.3
-	github.com/shirou/gopsutil/v3 v3.24.4
+	github.com/redis/go-redis/v9 v9.6.1
+	github.com/schollz/progressbar/v3 v3.14.4
+	github.com/shirou/gopsutil/v3 v3.24.5
 	github.com/tikv/client-go/v2 v2.0.7
-	github.com/ydb-platform/ydb-go-sdk-auth-environ v0.4.2
-	github.com/ydb-platform/ydb-go-sdk/v3 v3.68.1
-	go.etcd.io/etcd/client/pkg/v3 v3.5.14
+	github.com/ydb-platform/ydb-go-sdk-auth-environ v0.5.0
+	github.com/ydb-platform/ydb-go-sdk/v3 v3.76.0
+	go.etcd.io/etcd/client/pkg/v3 v3.5.15
 	go.uber.org/atomic v1.11.0
-	golang.org/x/sync v0.7.0
-	google.golang.org/grpc/security/advancedtls v0.0.0-20220622233350-5cdb09fa29c1
+	golang.org/x/sync v0.8.0
+	google.golang.org/grpc/security/advancedtls v1.0.0
 )
 
 require (
-	cloud.google.com/go/auth v0.4.1 // indirect
-	cloud.google.com/go/auth/oauth2adapt v0.2.2 // indirect
-	cloud.google.com/go/compute/metadata v0.3.0 // indirect
-	cloud.google.com/go/iam v1.1.8 // indirect
+	cloud.google.com/go/auth v0.7.2 // indirect
+	cloud.google.com/go/auth/oauth2adapt v0.2.3 // indirect
+	cloud.google.com/go/compute/metadata v0.5.0 // indirect
+	cloud.google.com/go/iam v1.1.10 // indirect
 	filippo.io/edwards25519 v1.1.0 // indirect
-	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.11.1 // indirect
-	github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.6.0 // indirect
-	github.com/Azure/azure-sdk-for-go/sdk/internal v1.8.0 // indirect
-	github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.3.1 // indirect
-	github.com/Azure/azure-sdk-for-go/sdk/storage/azfile v1.1.1 // indirect
+	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.12.0 // indirect
+	github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.7.0 // indirect
+	github.com/Azure/azure-sdk-for-go/sdk/internal v1.9.0 // indirect
+	github.com/Azure/azure-sdk-for-go/sdk/storage/azblob v1.3.2 // indirect
+	github.com/Azure/azure-sdk-for-go/sdk/storage/azfile v1.2.2 // indirect
 	github.com/Azure/go-ntlmssp v0.0.0-20221128193559-754e69321358 // indirect
 	github.com/AzureAD/microsoft-authentication-library-for-go v1.2.2 // indirect
 	github.com/Max-Sum/base32768 v0.0.0-20230304063302-18e6ce5945fd // indirect
 	github.com/Microsoft/go-winio v0.6.1 // indirect
 	github.com/ProtonMail/bcrypt v0.0.0-20211005172633-e235017c1baf // indirect
 	github.com/ProtonMail/gluon v0.17.1-0.20230724134000-308be39be96e // indirect
-	github.com/ProtonMail/go-crypto v0.0.0-20230923063757-afb1ddc0824c // indirect
+	github.com/ProtonMail/go-crypto v1.0.0 // indirect
 	github.com/ProtonMail/go-mime v0.0.0-20230322103455-7d82a3887f2f // indirect
 	github.com/ProtonMail/go-srp v0.0.7 // indirect
 	github.com/ProtonMail/gopenpgp/v2 v2.7.4 // indirect
@@ -185,22 +185,22 @@ require (
 	github.com/andybalholm/brotli v1.1.0 // indirect
 	github.com/andybalholm/cascadia v1.3.2 // indirect
 	github.com/arangodb/go-velocypack v0.0.0-20200318135517-5af53c29c67e // indirect
-	github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.6.2 // indirect
-	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.16.3 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.7 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.7 // indirect
+	github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.6.3 // indirect
+	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.16.11 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/configsources v1.3.15 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.6.15 // indirect
 	github.com/aws/aws-sdk-go-v2/internal/ini v1.8.0 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/v4a v1.3.7 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.11.2 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.3.9 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.11.9 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.17.7 // indirect
-	github.com/aws/aws-sdk-go-v2/service/sns v1.29.2 // indirect
-	github.com/aws/aws-sdk-go-v2/service/sqs v1.31.2 // indirect
-	github.com/aws/aws-sdk-go-v2/service/sso v1.20.9 // indirect
-	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.24.3 // indirect
-	github.com/aws/aws-sdk-go-v2/service/sts v1.28.10 // indirect
-	github.com/aws/smithy-go v1.20.2 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/v4a v1.3.15 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.11.3 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.3.17 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.11.17 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.17.15 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sns v1.29.4 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sqs v1.31.4 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sso v1.22.4 // indirect
+	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.26.4 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sts v1.30.3 // indirect
+	github.com/aws/smithy-go v1.20.3 // indirect
 	github.com/boltdb/bolt v1.3.1 // indirect
 	github.com/bradenaw/juniper v0.15.2 // indirect
 	github.com/buengese/sgzip v0.1.1 // indirect
@@ -223,8 +223,8 @@ require (
 	github.com/flynn/noise v1.0.1 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
 	github.com/geoffgarside/ber v1.1.0 // indirect
-	github.com/go-chi/chi/v5 v5.0.11 // indirect
-	github.com/go-logr/logr v1.4.1 // indirect
+	github.com/go-chi/chi/v5 v5.0.12 // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-ole/go-ole v1.3.0 // indirect
 	github.com/go-resty/resty/v2 v2.11.0 // indirect
@@ -248,7 +248,6 @@ require (
 	github.com/jlaffaye/ftp v0.2.0 // indirect
 	github.com/jonboulle/clockwork v0.3.0 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
-	github.com/jtolio/eventkit v0.0.0-20231019094657-5d77ebb407d9 // indirect
 	github.com/jtolio/noiseconn v0.0.0-20231127013910-f6d9ecbf1de7 // indirect
 	github.com/jzelinskie/whirlpool v0.0.0-20201016144138-0675e54bb004 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
@@ -261,8 +260,8 @@ require (
 	github.com/mattn/go-runewidth v0.0.15 // indirect
 	github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db // indirect
 	github.com/mitchellh/go-homedir v1.1.0 // indirect
-	github.com/montanaflynn/stats v0.7.0 // indirect
-	github.com/nats-io/nats.go v1.34.0 // indirect
+	github.com/montanaflynn/stats v0.7.1 // indirect
+	github.com/nats-io/nats.go v1.34.1 // indirect
 	github.com/nats-io/nkeys v0.4.7 // indirect
 	github.com/nats-io/nuid v1.0.1 // indirect
 	github.com/ncruces/go-strftime v0.1.9 // indirect
@@ -270,12 +269,12 @@ require (
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
 	github.com/onsi/gomega v1.27.10 // indirect
 	github.com/opentracing/opentracing-go v1.2.0 // indirect
-	github.com/oracle/oci-go-sdk/v65 v65.55.1 // indirect
+	github.com/oracle/oci-go-sdk/v65 v65.65.3 // indirect
 	github.com/patrickmn/go-cache v2.1.0+incompatible // indirect
 	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
 	github.com/pengsrc/go-shared v0.2.1-0.20190131101655-1999055a4a14 // indirect
 	github.com/philhofer/fwd v1.1.2 // indirect
-	github.com/pierrec/lz4/v4 v4.1.18 // indirect
+	github.com/pierrec/lz4/v4 v4.1.21 // indirect
 	github.com/pingcap/errors v0.11.5-0.20211224045212-9687c2b0f87c // indirect
 	github.com/pingcap/failpoint v0.0.0-20220801062533-2eaa32854a6c // indirect
 	github.com/pingcap/kvproto v0.0.0-20230403051650-e166ae588106 // indirect
@@ -290,7 +289,7 @@ require (
 	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/sagikazarmark/locafero v0.4.0 // indirect
 	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
-	github.com/segmentio/encoding v0.3.6 // indirect
+	github.com/segmentio/encoding v0.4.0 // indirect
 	github.com/shoenig/go-m1cpu v0.1.6 // indirect
 	github.com/skratchdot/open-golang v0.0.0-20200116055534-eef842397966 // indirect
 	github.com/smartystreets/goconvey v1.8.1 // indirect
@@ -308,7 +307,7 @@ require (
 	github.com/twmb/murmur3 v1.1.3 // indirect
 	github.com/xanzy/ssh-agent v0.3.3 // indirect
 	github.com/yandex-cloud/go-genproto v0.0.0-20211115083454-9ca41db5ed9e // indirect
-	github.com/ydb-platform/ydb-go-genproto v0.0.0-20240316140903-4a47abca1cca // indirect
+	github.com/ydb-platform/ydb-go-genproto v0.0.0-20240528144234-5d5a685e41f7 // indirect
 	github.com/ydb-platform/ydb-go-yc v0.12.1 // indirect
 	github.com/ydb-platform/ydb-go-yc-metadata v0.6.1 // indirect
 	github.com/yunify/qingstor-sdk-go/v3 v3.2.0 // indirect
@@ -316,30 +315,31 @@ require (
 	github.com/zeebo/blake3 v0.2.3 // indirect
 	github.com/zeebo/errs v1.3.0 // indirect
 	go.etcd.io/bbolt v1.3.8 // indirect
-	go.etcd.io/etcd/api/v3 v3.5.13 // indirect
-	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.49.0 // indirect
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.49.0 // indirect
-	go.opentelemetry.io/otel v1.24.0 // indirect
-	go.opentelemetry.io/otel/metric v1.24.0 // indirect
-	go.opentelemetry.io/otel/trace v1.24.0 // indirect
+	go.etcd.io/etcd/api/v3 v3.5.15 // indirect
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.51.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.51.0 // indirect
+	go.opentelemetry.io/otel v1.26.0 // indirect
+	go.opentelemetry.io/otel/metric v1.26.0 // indirect
+	go.opentelemetry.io/otel/trace v1.26.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	go.uber.org/zap v1.27.0 // indirect
-	golang.org/x/mod v0.17.0 // indirect
-	golang.org/x/term v0.21.0 // indirect
+	golang.org/x/mod v0.19.0 // indirect
+	golang.org/x/term v0.22.0 // indirect
 	golang.org/x/time v0.5.0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20240506185236-b8a5c65736ae // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240513163218-0867130af1f8 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20240701130421-f6361c86f094 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240722135656-d784300faade // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
 	gopkg.in/validator.v2 v2.0.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	modernc.org/gc/v3 v3.0.0-20240107210532-573471604cb6 // indirect
-	storj.io/common v0.0.0-20240111121419-ecae1362576c // indirect
+	storj.io/common v0.0.0-20240424123607-5f226fc92c16 // indirect
 	storj.io/drpc v0.0.33 // indirect
+	storj.io/eventkit v0.0.0-20240306141230-6cb545e5f892 // indirect
 	storj.io/infectious v0.0.2 // indirect
-	storj.io/picobuf v0.0.2-0.20230906122608-c4ba17033c6c // indirect
-	storj.io/uplink v1.12.2 // indirect
+	storj.io/picobuf v0.0.3 // indirect
+	storj.io/uplink v1.13.0 // indirect
 )
 
 // replace github.com/seaweedfs/raft => /Users/chrislu/go/src/github.com/seaweedfs/raft
diff --git a/go.sum b/go.sum
index d27086435..f23265dc3 100644
--- a/go.sum
+++ b/go.sum
@@ -13,7 +13,6 @@ cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bP
 cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
 cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
 cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
-cloud.google.com/go v0.63.0/go.mod h1:GmezbQc7T2snqkEXWfZ0sy0VfkB/ivI2DdtJL2DEmlg=
 cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
 cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
 cloud.google.com/go v0.74.0/go.mod h1:VV1xSbzvo+9QJOxLDaJfTjx5e+MePCpCWwvftOeQmWk=
@@ -37,8 +36,8 @@ cloud.google.com/go v0.104.0/go.mod h1:OO6xxXdJyvuJPcEPBLN9BJPD+jep5G1+2U5B5gkRY
 cloud.google.com/go v0.105.0/go.mod h1:PrLgOJNe5nfE9UMxKxgXj4mD3voiP+YQ6gdt6KMFOKM=
 cloud.google.com/go v0.107.0/go.mod h1:wpc2eNrD7hXUTy8EKS10jkxpZBjASrORK7goS+3YX2I=
 cloud.google.com/go v0.110.0/go.mod h1:SJnCLqQ0FCFGSZMUNUf84MV3Aia54kn7pi8st7tMzaY=
-cloud.google.com/go v0.113.0 h1:g3C70mn3lWfckKBiCVsAshabrDg01pQ0pnX1MNtnMkA=
-cloud.google.com/go v0.113.0/go.mod h1:glEqlogERKYeePz6ZdkcLJ28Q2I6aERgDDErBg9GzO8=
+cloud.google.com/go v0.115.0 h1:CnFSK6Xo3lDYRoBKEcAtia6VSC837/ZkJuRduSFnr14=
+cloud.google.com/go v0.115.0/go.mod h1:8jIM5vVgoAEoiVxQ/O4BFTfHqulPZgs/ufEzMcFMdWU=
 cloud.google.com/go/accessapproval v1.4.0/go.mod h1:zybIuC3KpDOvotz59lFe5qxRZx6C75OtwbisN56xYB4=
 cloud.google.com/go/accessapproval v1.5.0/go.mod h1:HFy3tuiGvMdcd/u+Cu5b9NkO1pEICJ46IR82PoUdplw=
 cloud.google.com/go/accessapproval v1.6.0/go.mod h1:R0EiYnwV5fsRFiKZkPHr6mwyk2wxUJ30nL4j2pcFY2E=
@@ -85,10 +84,10 @@ cloud.google.com/go/assuredworkloads v1.7.0/go.mod h1:z/736/oNmtGAyU47reJgGN+KVo
 cloud.google.com/go/assuredworkloads v1.8.0/go.mod h1:AsX2cqyNCOvEQC8RMPnoc0yEarXQk6WEKkxYfL6kGIo=
 cloud.google.com/go/assuredworkloads v1.9.0/go.mod h1:kFuI1P78bplYtT77Tb1hi0FMxM0vVpRC7VVoJC3ZoT0=
 cloud.google.com/go/assuredworkloads v1.10.0/go.mod h1:kwdUQuXcedVdsIaKgKTp9t0UJkE5+PAVNhdQm4ZVq2E=
-cloud.google.com/go/auth v0.4.1 h1:Z7YNIhlWRtrnKlZke7z3GMqzvuYzdc2z98F9D1NV5Hg=
-cloud.google.com/go/auth v0.4.1/go.mod h1:QVBuVEKpCn4Zp58hzRGvL0tjRGU0YqdRTdCHM1IHnro=
-cloud.google.com/go/auth/oauth2adapt v0.2.2 h1:+TTV8aXpjeChS9M+aTtN/TjdQnzJvmzKFt//oWu7HX4=
-cloud.google.com/go/auth/oauth2adapt v0.2.2/go.mod h1:wcYjgpZI9+Yu7LyYBg4pqSiaRkfEK3GQcpb7C/uyF1Q=
+cloud.google.com/go/auth v0.7.2 h1:uiha352VrCDMXg+yoBtaD0tUF4Kv9vrtrWPYXwutnDE=
+cloud.google.com/go/auth v0.7.2/go.mod h1:VEc4p5NNxycWQTMQEDQF0bd6aTMb6VgYDXEwiJJQAbs=
+cloud.google.com/go/auth/oauth2adapt v0.2.3 h1:MlxF+Pd3OmSudg/b1yZ5lJwoXCEaeedAguodky1PcKI=
+cloud.google.com/go/auth/oauth2adapt v0.2.3/go.mod h1:tMQXOfZzFuNuUxOypHlQEXgdfX5cuhwU+ffUuXRJE8I=
 cloud.google.com/go/automl v1.5.0/go.mod h1:34EjfoFGMZ5sgJ9EoLsRtdPSNZLcfflJR39VbVNS2M0=
 cloud.google.com/go/automl v1.6.0/go.mod h1:ugf8a6Fx+zP0D59WLhqgTDsQI9w07o64uf/Is3Nh5p8=
 cloud.google.com/go/automl v1.7.0/go.mod h1:RL9MYCCsJEOmt0Wf3z9uzG0a7adTT1fe+aObgSpkCt8=
@@ -157,8 +156,8 @@ cloud.google.com/go/compute/metadata v0.1.0/go.mod h1:Z1VN+bulIf6bt4P/C37K4DyZYZ
 cloud.google.com/go/compute/metadata v0.2.0/go.mod h1:zFmK7XCadkQkj6TtorcaGlCW1hT1fIilQDwofLpJ20k=
 cloud.google.com/go/compute/metadata v0.2.1/go.mod h1:jgHgmJd2RKBGzXqF5LR2EZMGxBkeanZ9wwa75XHJgOM=
 cloud.google.com/go/compute/metadata v0.2.3/go.mod h1:VAV5nSsACxMJvgaAuX6Pk2AawlZn8kiOGuCv6gTkwuA=
-cloud.google.com/go/compute/metadata v0.3.0 h1:Tz+eQXMEqDIKRsmY3cHTL6FVaynIjX2QxYC4trgAKZc=
-cloud.google.com/go/compute/metadata v0.3.0/go.mod h1:zFmK7XCadkQkj6TtorcaGlCW1hT1fIilQDwofLpJ20k=
+cloud.google.com/go/compute/metadata v0.5.0 h1:Zr0eK8JbFv6+Wi4ilXAR8FJ3wyNdpxHKJNPos6LTZOY=
+cloud.google.com/go/compute/metadata v0.5.0/go.mod h1:aHnloV2TPI38yx4s9+wAZhHykWvVCfu7hQbF+9CWoiY=
 cloud.google.com/go/contactcenterinsights v1.3.0/go.mod h1:Eu2oemoePuEFc/xKFPjbTuPSj0fYJcPls9TFlPNnHHY=
 cloud.google.com/go/contactcenterinsights v1.4.0/go.mod h1:L2YzkGbPsv+vMQMCADxJoT9YiTTnSEd6fEvCeHTYVck=
 cloud.google.com/go/contactcenterinsights v1.6.0/go.mod h1:IIDlT6CLcDoyv79kDv8iWxMSTZhLxSCofVV5W6YFM/w=
@@ -274,8 +273,8 @@ cloud.google.com/go/iam v0.7.0/go.mod h1:H5Br8wRaDGNc8XP3keLc4unfUUZeyH3Sfl9XpQE
 cloud.google.com/go/iam v0.8.0/go.mod h1:lga0/y3iH6CX7sYqypWJ33hf7kkfXJag67naqGESjkE=
 cloud.google.com/go/iam v0.11.0/go.mod h1:9PiLDanza5D+oWFZiH1uG+RnRCfEGKoyl6yo4cgWZGY=
 cloud.google.com/go/iam v0.12.0/go.mod h1:knyHGviacl11zrtZUoDuYpDgLjvr28sLQaG0YB2GYAY=
-cloud.google.com/go/iam v1.1.8 h1:r7umDwhj+BQyz0ScZMp4QrGXjSTI3ZINnpgU2nlB/K0=
-cloud.google.com/go/iam v1.1.8/go.mod h1:GvE6lyMmfxXauzNq8NbgJbeVQNspG+tcdL/W8QO1+zE=
+cloud.google.com/go/iam v1.1.10 h1:ZSAr64oEhQSClwBL670MsJAW5/RLiC6kfw3Bqmd5ZDI=
+cloud.google.com/go/iam v1.1.10/go.mod h1:iEgMq62sg8zx446GCaijmA2Miwg5o3UbO+nI47WHJps=
 cloud.google.com/go/iap v1.4.0/go.mod h1:RGFwRJdihTINIe4wZ2iCP0zF/qu18ZwyKxrhMhygBEc=
 cloud.google.com/go/iap v1.5.0/go.mod h1:UH/CGgKd4KyohZL5Pt0jSKE4m3FR51qg6FKQ/z/Ix9A=
 cloud.google.com/go/iap v1.6.0/go.mod h1:NSuvI9C/j7UdjGjIde7t7HBz+QTwBcapPE07+sSRcLk=
@@ -289,8 +288,8 @@ cloud.google.com/go/kms v1.4.0/go.mod h1:fajBHndQ+6ubNw6Ss2sSd+SWvjL26RNo/dr7uxs
 cloud.google.com/go/kms v1.5.0/go.mod h1:QJS2YY0eJGBg3mnDfuaCyLauWwBJiHRboYxJ++1xJNg=
 cloud.google.com/go/kms v1.6.0/go.mod h1:Jjy850yySiasBUDi6KFUwUv2n1+o7QZFyuUJg6OgjA0=
 cloud.google.com/go/kms v1.9.0/go.mod h1:qb1tPTgfF9RQP8e1wq4cLFErVuTJv7UsSC915J8dh3w=
-cloud.google.com/go/kms v1.15.8 h1:szIeDCowID8th2i8XE4uRev5PMxQFqW+JjwYxL9h6xs=
-cloud.google.com/go/kms v1.15.8/go.mod h1:WoUHcDjD9pluCg7pNds131awnH429QGvRM3N/4MyoVs=
+cloud.google.com/go/kms v1.18.2 h1:EGgD0B9k9tOOkbPhYW1PHo2W0teamAUYMOUIcDRMfPk=
+cloud.google.com/go/kms v1.18.2/go.mod h1:YFz1LYrnGsXARuRePL729oINmN5J/5e7nYijgvfiIeY=
 cloud.google.com/go/language v1.4.0/go.mod h1:F9dRpNFQmJbkaop6g0JhSBXCNlO90e1KWx5iDdxbWic=
 cloud.google.com/go/language v1.6.0/go.mod h1:6dJ8t3B+lUYfStgls25GusK04NLh3eDLQnWM3mdEbhI=
 cloud.google.com/go/language v1.7.0/go.mod h1:DJ6dYN/W+SQOjF8e1hLQXMF21AkH2w9wiPzPCJa2MIE=
@@ -304,6 +303,8 @@ cloud.google.com/go/logging v1.7.0/go.mod h1:3xjP2CjkM3ZkO73aj4ASA5wRPGGCRrPIAeN
 cloud.google.com/go/longrunning v0.1.1/go.mod h1:UUFxuDWkv22EuY93jjmDMFT5GPQKeFVJBIF6QlTqdsE=
 cloud.google.com/go/longrunning v0.3.0/go.mod h1:qth9Y41RRSUE69rDcOn6DdK3HfQfsUI0YSmW3iIlLJc=
 cloud.google.com/go/longrunning v0.4.1/go.mod h1:4iWDqhBZ70CvZ6BfETbvam3T8FMvLK+eFj0E6AaRQTo=
+cloud.google.com/go/longrunning v0.5.9 h1:haH9pAuXdPAMqHvzX0zlWQigXT7B0+CL4/2nXXdBo5k=
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@@ -376,8 +377,8 @@ cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjp
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-cloud.google.com/go/pubsub v1.38.0/go.mod h1:IPMJSWSus/cu57UyR01Jqa/bNOQA+XnPF6Z4dKW4fAA=
+cloud.google.com/go/pubsub v1.40.0 h1:0LdP+zj5XaPAGtWr2V6r88VXJlmtaB/+fde1q3TU8M0=
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@@ -468,8 +469,8 @@ cloud.google.com/go/storage v1.22.1/go.mod h1:S8N1cAStu7BOeFfE8KAQzmyyLkK8p/vmRq
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@@ -532,18 +533,18 @@ gioui.org v0.0.0-20210308172011-57750fc8a0a6/go.mod h1:RSH6KIUZ0p2xy5zHDxgAM4zum
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@@ -563,10 +564,10 @@ github.com/AzureAD/microsoft-authentication-library-for-go v1.2.2 h1:XHOnouVk1mx
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@@ -583,8 +584,8 @@ github.com/ProtonMail/gluon v0.17.1-0.20230724134000-308be39be96e h1:lCsqUUACrcM
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@@ -593,6 +594,7 @@ github.com/ProtonMail/gopenpgp/v2 v2.7.4 h1:Vz/8+HViFFnf2A6XX8JOvZMrA6F5puwNvvF2
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@@ -624,52 +626,50 @@ github.com/arangodb/go-driver v1.6.2 h1:3o4inejwR7VMmsKvQJ6hepx4au9sUT6C/RDrXyku
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 github.com/ydb-platform/ydb-go-yc-metadata v0.6.1 h1:9E5q8Nsy2RiJMZDNVy0A3KUrIMBPakJ2VgloeWbcI84=
@@ -1581,14 +1570,14 @@ go.einride.tech/aip v0.67.1 h1:d/4TW92OxXBngkSOwWS2CH5rez869KpKMaN44mdxkFI=
 go.einride.tech/aip v0.67.1/go.mod h1:ZGX4/zKw8dcgzdLsrvpOOGxfxI2QSk12SlP7d6c0/XI=
 go.etcd.io/bbolt v1.3.8 h1:xs88BrvEv273UsB79e0hcVrlUWmS0a8upikMFhSyAtA=
 go.etcd.io/bbolt v1.3.8/go.mod h1:N9Mkw9X8x5fupy0IKsmuqVtoGDyxsaDlbk4Rd05IAQw=
-go.etcd.io/etcd/api/v3 v3.5.13 h1:8WXU2/NBge6AUF1K1gOexB6e07NgsN1hXK0rSTtgSp4=
-go.etcd.io/etcd/api/v3 v3.5.13/go.mod h1:gBqlqkcMMZMVTMm4NDZloEVJzxQOQIls8splbqBDa0c=
-go.etcd.io/etcd/client/pkg/v3 v3.5.14 h1:SaNH6Y+rVEdxfpA2Jr5wkEvN6Zykme5+YnbCkxvuWxQ=
-go.etcd.io/etcd/client/pkg/v3 v3.5.14/go.mod h1:8uMgAokyG1czCtIdsq+AGyYQMvpIKnSvPjFMunkgeZI=
-go.etcd.io/etcd/client/v3 v3.5.13 h1:o0fHTNJLeO0MyVbc7I3fsCf6nrOqn5d+diSarKnB2js=
-go.etcd.io/etcd/client/v3 v3.5.13/go.mod h1:cqiAeY8b5DEEcpxvgWKsbLIWNM/8Wy2xJSDMtioMcoI=
-go.mongodb.org/mongo-driver v1.15.0 h1:rJCKC8eEliewXjZGf0ddURtl7tTVy1TK3bfl0gkUSLc=
-go.mongodb.org/mongo-driver v1.15.0/go.mod h1:Vzb0Mk/pa7e6cWw85R4F/endUC3u0U9jGcNU603k65c=
+go.etcd.io/etcd/api/v3 v3.5.15 h1:3KpLJir1ZEBrYuV2v+Twaa/e2MdDCEZ/70H+lzEiwsk=
+go.etcd.io/etcd/api/v3 v3.5.15/go.mod h1:N9EhGzXq58WuMllgH9ZvnEr7SI9pS0k0+DHZezGp7jM=
+go.etcd.io/etcd/client/pkg/v3 v3.5.15 h1:fo0HpWz/KlHGMCC+YejpiCmyWDEuIpnTDzpJLB5fWlA=
+go.etcd.io/etcd/client/pkg/v3 v3.5.15/go.mod h1:mXDI4NAOwEiszrHCb0aqfAYNCrZP4e9hRca3d1YK8EU=
+go.etcd.io/etcd/client/v3 v3.5.15 h1:23M0eY4Fd/inNv1ZfU3AxrbbOdW79r9V9Rl62Nm6ip4=
+go.etcd.io/etcd/client/v3 v3.5.15/go.mod h1:CLSJxrYjvLtHsrPKsy7LmZEE+DK2ktfd2bN4RhBMwlU=
+go.mongodb.org/mongo-driver v1.16.0 h1:tpRsfBJMROVHKpdGyc1BBEzzjDUWjItxbVSZ8Ls4BQ4=
+go.mongodb.org/mongo-driver v1.16.0/go.mod h1:oB6AhJQvFQL4LEHyXi6aJzQJtBiTQHiAd83l0GdFaiw=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
@@ -1598,18 +1587,18 @@ go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
 go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
 go.opencensus.io v0.24.0 h1:y73uSU6J157QMP2kn2r30vwW1A2W2WFwSCGnAVxeaD0=
 go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
-go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.49.0 h1:4Pp6oUg3+e/6M4C0A/3kJ2VYa++dsWVTtGgLVj5xtHg=
-go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.49.0/go.mod h1:Mjt1i1INqiaoZOMGR1RIUJN+i3ChKoFRqzrRQhlkbs0=
-go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.49.0 h1:jq9TW8u3so/bN+JPT166wjOI6/vQPF6Xe7nMNIltagk=
-go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.49.0/go.mod h1:p8pYQP+m5XfbZm9fxtSKAbM6oIllS7s2AfxrChvc7iw=
-go.opentelemetry.io/otel v1.24.0 h1:0LAOdjNmQeSTzGBzduGe/rU4tZhMwL5rWgtp9Ku5Jfo=
-go.opentelemetry.io/otel v1.24.0/go.mod h1:W7b9Ozg4nkF5tWI5zsXkaKKDjdVjpD4oAt9Qi/MArHo=
-go.opentelemetry.io/otel/metric v1.24.0 h1:6EhoGWWK28x1fbpA4tYTOWBkPefTDQnb8WSGXlc88kI=
-go.opentelemetry.io/otel/metric v1.24.0/go.mod h1:VYhLe1rFfxuTXLgj4CBiyz+9WYBA8pNGJgDcSFRKBco=
+go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.51.0 h1:A3SayB3rNyt+1S6qpI9mHPkeHTZbD7XILEqWnYZb2l0=
+go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.51.0/go.mod h1:27iA5uvhuRNmalO+iEUdVn5ZMj2qy10Mm+XRIpRmyuU=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.51.0 h1:Xs2Ncz0gNihqu9iosIZ5SkBbWo5T8JhhLJFMQL1qmLI=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.51.0/go.mod h1:vy+2G/6NvVMpwGX/NyLqcC41fxepnuKHk16E6IZUcJc=
+go.opentelemetry.io/otel v1.26.0 h1:LQwgL5s/1W7YiiRwxf03QGnWLb2HW4pLiAhaA5cZXBs=
+go.opentelemetry.io/otel v1.26.0/go.mod h1:UmLkJHUAidDval2EICqBMbnAd0/m2vmpf/dAM+fvFs4=
+go.opentelemetry.io/otel/metric v1.26.0 h1:7S39CLuY5Jgg9CrnA9HHiEjGMF/X2VHvoXGgSllRz30=
+go.opentelemetry.io/otel/metric v1.26.0/go.mod h1:SY+rHOI4cEawI9a7N1A4nIg/nTQXe1ccCNWYOJUrpX4=
 go.opentelemetry.io/otel/sdk v1.24.0 h1:YMPPDNymmQN3ZgczicBY3B6sf9n62Dlj9pWD3ucgoDw=
 go.opentelemetry.io/otel/sdk v1.24.0/go.mod h1:KVrIYw6tEubO9E96HQpcmpTKDVn9gdv35HoYiQWGDFg=
-go.opentelemetry.io/otel/trace v1.24.0 h1:CsKnnL4dUAr/0llH9FKuc698G04IrpWV0MQA/Y1YELI=
-go.opentelemetry.io/otel/trace v1.24.0/go.mod h1:HPc3Xr/cOApsBI154IU0OI0HJexz+aw5uPdbs3UCjNU=
+go.opentelemetry.io/otel/trace v1.26.0 h1:1ieeAUb4y0TE26jUFrCIXKpTuVK7uJGN9/Z/2LP5sQA=
+go.opentelemetry.io/otel/trace v1.26.0/go.mod h1:4iDxvGDQuUkHve82hJJ8UqrwswHYsZuWCBllGV2U2y0=
 go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
 go.opentelemetry.io/proto/otlp v0.15.0/go.mod h1:H7XAot3MsfNsj7EXtrA2q5xSNQ10UqI405h3+duxN4U=
 go.opentelemetry.io/proto/otlp v0.19.0/go.mod h1:H7XAot3MsfNsj7EXtrA2q5xSNQ10UqI405h3+duxN4U=
@@ -1621,7 +1610,6 @@ go.uber.org/atomic v1.11.0 h1:ZvwS0R+56ePWxUNi+Atn9dWONBPp/AUETXlHW0DxSjE=
 go.uber.org/atomic v1.11.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
 go.uber.org/goleak v1.1.10/go.mod h1:8a7PlsEVH3e/a/GLqe5IIrQx6GzcnRmZEufDUTk4A7A=
 go.uber.org/goleak v1.1.12/go.mod h1:cwTWslyiVhfpKIDGSZEM2HlOvcqm+tG4zioyIeLoqMQ=
-go.uber.org/goleak v1.2.1/go.mod h1:qlT2yGI9QafXHhZZLxlSuNsMw3FFLxBr+tBRlmO1xH4=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 go.uber.org/mock v0.4.0 h1:VcM4ZOtdbR4f6VXfiOpwpVJDL6lCReaZ6mw31wqh7KU=
@@ -1635,12 +1623,12 @@ go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 go.uber.org/zap v1.19.0/go.mod h1:xg/QME4nWcxGxrpdeYfq7UvYrLh66cuVKdrbD1XF/NI=
 go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
 go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
-gocloud.dev v0.37.0 h1:XF1rN6R0qZI/9DYjN16Uy0durAmSlf58DHOcb28GPro=
-gocloud.dev v0.37.0/go.mod h1:7/O4kqdInCNsc6LqgmuFnS0GRew4XNNYWpA44yQnwco=
-gocloud.dev/pubsub/natspubsub v0.37.0 h1:pnszLOYtyOkwB8oqiwYA11OcJpZ0MGJYBhnKl8c3tCs=
-gocloud.dev/pubsub/natspubsub v0.37.0/go.mod h1:EN6ORFOviXxR/KALVQjTNh34EUcYQzMke6BCC6Czb8g=
-gocloud.dev/pubsub/rabbitpubsub v0.37.0 h1:vNmxM7C+6O6WbErN0TBB8NtrrUFHq3OS0yfokGVsJhQ=
-gocloud.dev/pubsub/rabbitpubsub v0.37.0/go.mod h1:f3FInA6G/zOhFoTPLZKca1CH3WknrJEd0Nlryl2C6fw=
+gocloud.dev v0.38.0 h1:SpxfaOc/Fp4PeO8ui7wRcCZV0EgXZ+IWcVSLn6ZMSw0=
+gocloud.dev v0.38.0/go.mod h1:3XjKvd2E5iVNu/xFImRzjN0d/fkNHe4s0RiKidpEUMQ=
+gocloud.dev/pubsub/natspubsub v0.38.0 h1:sJDcxIc6N+VsYJxPl5hNs6V/mLTGOwgS3EZMlawsYSg=
+gocloud.dev/pubsub/natspubsub v0.38.0/go.mod h1:JWVrD4tC7AiZYw+TXvMQM37Z7Clc3UCB7kXVdDoMIr0=
+gocloud.dev/pubsub/rabbitpubsub v0.38.0 h1:pyXHhQi+uPr6BYucdydHZ7QWEIf/eeXjCAC8igkH7xs=
+gocloud.dev/pubsub/rabbitpubsub v0.38.0/go.mod h1:U5BTX9xKy76RR44r8BJH5qkcNYA+3cBcazx5XTVVuHM=
 golang.org/x/arch v0.3.0 h1:02VY4/ZcO/gBOH6PUaoiptASxtXU10jazRCP865E97k=
 golang.org/x/arch v0.3.0/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@@ -1665,8 +1653,8 @@ golang.org/x/crypto v0.7.0/go.mod h1:pYwdfH91IfpZVANVyUOhSIPZaFoJGxTFbZhFTx+dXZU
 golang.org/x/crypto v0.13.0/go.mod h1:y6Z2r+Rw4iayiXXAIxJIDAJ1zMW4yaTpebo8fPOliYc=
 golang.org/x/crypto v0.14.0/go.mod h1:MVFd36DqK4CsrnJYDkBA3VC4m2GkXAM0PvzMCn4JQf4=
 golang.org/x/crypto v0.18.0/go.mod h1:R0j02AL6hcrfOiy9T4ZYp/rcWeMxM3L6QYxlOuEG1mg=
-golang.org/x/crypto v0.24.0 h1:mnl8DM0o513X8fdIkmyFE/5hTYxbwYOjDS/+rK6qpRI=
-golang.org/x/crypto v0.24.0/go.mod h1:Z1PMYSOR5nyMcyAVAIQSKCDwalqy85Aqn1x3Ws4L5DM=
+golang.org/x/crypto v0.25.0 h1:ypSNr+bnYL2YhwoMt2zPxHFmbAN1KZs/njMG3hxUp30=
+golang.org/x/crypto v0.25.0/go.mod h1:T+wALwcMOSE0kXgUAnPAHqTLW+XHgcELELW8VaDgm/M=
 golang.org/x/exp v0.0.0-20180321215751-8460e604b9de/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20180807140117-3d87b88a115f/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@@ -1682,8 +1670,8 @@ golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u0
 golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM=
 golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU=
 golang.org/x/exp v0.0.0-20220827204233-334a2380cb91/go.mod h1:cyybsKvd6eL0RnXn6p/Grxp8F5bW7iYuBgsNCOHpMYE=
-golang.org/x/exp v0.0.0-20240112132812-db7319d0e0e3 h1:hNQpMuAJe5CtcUqCXaWga3FHu+kQvCqcsoVaQgSV60o=
-golang.org/x/exp v0.0.0-20240112132812-db7319d0e0e3/go.mod h1:idGWGoKP1toJGkd5/ig9ZLuPcZBC3ewk7SzmH0uou08=
+golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842 h1:vr/HnozRka3pE4EsMEg1lgkXJkTFJCVUX+S/ZT6wYzM=
+golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842/go.mod h1:XtvwrStGgqGPLc4cjQfWqZHG1YFdYs6swckp8vpsjnc=
 golang.org/x/image v0.0.0-20180708004352-c73c2afc3b81/go.mod h1:ux5Hcp/YLpHSI86hEcLt0YII63i6oz57MZXIpbrjZUs=
 golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js=
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
@@ -1697,8 +1685,8 @@ golang.org/x/image v0.0.0-20210607152325-775e3b0c77b9/go.mod h1:023OzeP/+EPmXeap
 golang.org/x/image v0.0.0-20210628002857-a66eb6448b8d/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
 golang.org/x/image v0.0.0-20211028202545-6944b10bf410/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
 golang.org/x/image v0.0.0-20220302094943-723b81ca9867/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
-golang.org/x/image v0.16.0 h1:9kloLAKhUufZhA12l5fwnx2NZW39/we1UhBesW433jw=
-golang.org/x/image v0.16.0/go.mod h1:ugSZItdV4nOxyqp56HmXwH0Ry0nBCpjnZdpDaIHdoPs=
+golang.org/x/image v0.18.0 h1:jGzIakQa/ZXI1I0Fxvaa9W7yP25TqT6cHIHn+6CqvSQ=
+golang.org/x/image v0.18.0/go.mod h1:4yyo5vMFQjVjUcVk4jEQcU9MGy/rulF5WvUILseCM2E=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@@ -1729,14 +1717,14 @@ golang.org/x/mod v0.7.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/mod v0.9.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/mod v0.12.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
+golang.org/x/mod v0.13.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/mod v0.14.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
-golang.org/x/mod v0.17.0 h1:zY54UmvipHiNd+pm+m0x9KhZ9hl1/7QNMyxXbc6ICqA=
-golang.org/x/mod v0.17.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
+golang.org/x/mod v0.19.0 h1:fEdghXQSo20giMthA7cd28ZC+jts4amQ3YMXiP5oMQ8=
+golang.org/x/mod v0.19.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
@@ -1775,7 +1763,6 @@ golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96b
 golang.org/x/net v0.0.0-20210503060351-7fd8e65b6420/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20210610132358-84b48f89b13b/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20210813160813-60bc85c4be6d/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.0.0-20210907225631-ff17edfbf26d/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20210916014120-12bc252f5db8/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
@@ -1802,10 +1789,11 @@ golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc=
 golang.org/x/net v0.9.0/go.mod h1:d48xBJpPfHeWQsugry2m+kC02ZBRGRgulfHnEXEuWns=
 golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
 golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk=
+golang.org/x/net v0.16.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE=
 golang.org/x/net v0.17.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE=
 golang.org/x/net v0.20.0/go.mod h1:z8BVo6PvndSri0LbOE3hAn0apkU+1YvI6E70E9jsnvY=
-golang.org/x/net v0.26.0 h1:soB7SVo0PWrY4vPW/+ay0jKDNScG2X9wFeYlXIvJsOQ=
-golang.org/x/net v0.26.0/go.mod h1:5YKkiSynbBIh3p6iOc/vibscux0x38BZDkn8sCUPxHE=
+golang.org/x/net v0.27.0 h1:5K3Njcw06/l2y9vpGCSdcxWOYHOUk3dVNGDXN+FvAys=
+golang.org/x/net v0.27.0/go.mod h1:dDi0PyhWNoiUOrAS8uXv/vnScO4wnHQO4mj9fn/RytE=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -1834,8 +1822,8 @@ golang.org/x/oauth2 v0.0.0-20221014153046-6fdb5e3db783/go.mod h1:h4gKUeWbJ4rQPri
 golang.org/x/oauth2 v0.4.0/go.mod h1:RznEsdpjGAINPTOF0UH/t+xJ75L18YO3Ho6Pyn+uRec=
 golang.org/x/oauth2 v0.5.0/go.mod h1:9/XBHVqLaWO3/BRHs5jbpYCnOZVjj5V0ndyaAM7KB4I=
 golang.org/x/oauth2 v0.6.0/go.mod h1:ycmewcwgD4Rpr3eZJLSB4Kyyljb3qDh40vJ8STE5HKw=
-golang.org/x/oauth2 v0.20.0 h1:4mQdhULixXKP1rwYBW0vAijoXnkTG0BLCDRzfe1idMo=
-golang.org/x/oauth2 v0.20.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
+golang.org/x/oauth2 v0.21.0 h1:tsimM75w1tF/uws5rbeHzIWxEqElMehnc+iW793zsZs=
+golang.org/x/oauth2 v0.21.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -1853,16 +1841,16 @@ golang.org/x/sync v0.0.0-20220819030929-7fc1605a5dde/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20220929204114-8fcdb60fdcc0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
+golang.org/x/sync v0.4.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
 golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=
-golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
+golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20180810173357-98c5dad5d1a0/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -1873,7 +1861,6 @@ golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191112214154-59a1497f0cea/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -1918,12 +1905,10 @@ golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210816183151-1e6c022a8912/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210823070655-63515b42dcdf/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210906170528-6f6e22806c34/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210908233432-aa78b53d3365/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211007075335-d3039528d8ac/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211019181941-9d821ace8654/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20211110154304-99a53858aa08/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211117180635-dee7805ff2e1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211124211545-fe61309f8881/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211210111614-af8b64212486/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -1953,14 +1938,12 @@ golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.7.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
-golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
+golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.1.0/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
@@ -1975,8 +1958,8 @@ golang.org/x/term v0.12.0/go.mod h1:owVbMEjm3cBLCHdkQu9b1opXd4ETQWc3BhuQGKgXgvU=
 golang.org/x/term v0.13.0/go.mod h1:LTmsnFJwVN6bCy1rVCoS+qHT1HhALEFxKncY3WNNh4U=
 golang.org/x/term v0.16.0/go.mod h1:yn7UURbUtPyrVJPGPq404EukNFxcm/foM+bV/bfcDsY=
 golang.org/x/term v0.20.0/go.mod h1:8UkIAJTvZgivsXaD6/pH6U9ecQzZ45awqEOzuCvwpFY=
-golang.org/x/term v0.21.0 h1:WVXCp+/EBEHOj53Rvu+7KiT/iElMrO8ACK16SMZ3jaA=
-golang.org/x/term v0.21.0/go.mod h1:ooXLefLobQVslOqselCNF4SxFAaoS6KujMbsGzSDmX0=
+golang.org/x/term v0.22.0 h1:BbsgPEJULsl2fV/AT3v15Mjva5yXKQDyKf+TbDz7QJk=
+golang.org/x/term v0.22.0/go.mod h1:F3qCibpT5AMpCRfhfT53vVJwhLtIVHhB9XDjfFvnMI4=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -2013,7 +1996,6 @@ golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190312151545-0bb0c0a6e846/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190312170243-e65039ee4138/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
-golang.org/x/tools v0.0.0-20190424220101-1e8e1cfdf96b/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
@@ -2051,7 +2033,6 @@ golang.org/x/tools v0.0.0-20200618134242-20370b0cb4b2/go.mod h1:EkVYQZoAsY45+roY
 golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20200729194436-6467de6f59a7/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
 golang.org/x/tools v0.0.0-20200804011535-6c149bb5ef0d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
-golang.org/x/tools v0.0.0-20200806022845-90696ccdc692/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
 golang.org/x/tools v0.0.0-20200825202427-b303f430e36d/go.mod h1:njjCfa9FT2d7l9Bc6FUM5FLjQPp3cFF28FI3qnDFljA=
 golang.org/x/tools v0.0.0-20200904185747-39188db58858/go.mod h1:Cj7w3i3Rnn0Xh82ur9kSqwfTHTeVxaDqrfMjpcNT6bE=
 golang.org/x/tools v0.0.0-20201110124207-079ba7bd75cd/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
@@ -2074,9 +2055,10 @@ golang.org/x/tools v0.4.0/go.mod h1:UE5sM2OK9E/d67R0ANs2xJizIymRP5gJU295PvKXxjQ=
 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
 golang.org/x/tools v0.7.0/go.mod h1:4pg6aUX35JBAogB10C9AtvVL+qowtN4pT3CGSQex14s=
 golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
+golang.org/x/tools v0.14.0/go.mod h1:uYBEerGOWcJyEORxN+Ek8+TT266gXkNlHdJBwexUsBg=
 golang.org/x/tools v0.17.0/go.mod h1:xsh6VxdV005rRVaS6SSAf9oiAqljS7UZUacMZ8Bnsps=
-golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d h1:vU5i/LfpvrRCpgM/VPfJLg5KjxD3E+hfT1SH+d9zLwg=
-golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=
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 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -2150,8 +2132,8 @@ google.golang.org/api v0.106.0/go.mod h1:2Ts0XTHNVWxypznxWOYUeI4g3WdP9Pk2Qk58+a/
 google.golang.org/api v0.107.0/go.mod h1:2Ts0XTHNVWxypznxWOYUeI4g3WdP9Pk2Qk58+a/O9MY=
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 google.golang.org/api v0.110.0/go.mod h1:7FC4Vvx1Mooxh8C5HWjzZHcavuS2f6pmJpZx60ca7iI=
-google.golang.org/api v0.181.0 h1:rPdjwnWgiPPOJx3IcSAQ2III5aX5tCer6wMpa/xmZi4=
-google.golang.org/api v0.181.0/go.mod h1:MnQ+M0CFsfUwA5beZ+g/vCBCPXvtmZwRz2qzZk8ih1k=
+google.golang.org/api v0.189.0 h1:equMo30LypAkdkLMBqfeIqtyAnlyig1JSZArl4XPwdI=
+google.golang.org/api v0.189.0/go.mod h1:FLWGJKb0hb+pU2j+rJqwbnsF+ym+fQs73rbJ+KAUgy8=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
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 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
@@ -2189,7 +2171,6 @@ google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEY
 google.golang.org/genproto v0.0.0-20200618031413-b414f8b61790/go.mod h1:jDfRM7FcilCzHH/e9qn6dsT145K34l5v+OpcnNgKAAA=
 google.golang.org/genproto v0.0.0-20200729003335-053ba62fc06f/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20200806141610-86f49bd18e98/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20200825200019-8632dd797987/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20200904004341-0bd0a958aa1d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20201109203340-2640f1f9cdfb/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
@@ -2286,12 +2267,12 @@ google.golang.org/genproto v0.0.0-20230209215440-0dfe4f8abfcc/go.mod h1:RGgjbofJ
 google.golang.org/genproto v0.0.0-20230216225411-c8e22ba71e44/go.mod h1:8B0gmkoRebU8ukX6HP+4wrVQUY1+6PkQ44BSyIlflHA=
 google.golang.org/genproto v0.0.0-20230222225845-10f96fb3dbec/go.mod h1:3Dl5ZL0q0isWJt+FVcfpQyirqemEuLAK/iFvg1UP1Hw=
 google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4/go.mod h1:NWraEVixdDnqcqQ30jipen1STv2r/n24Wb7twVTGR4s=
-google.golang.org/genproto v0.0.0-20240401170217-c3f982113cda h1:wu/KJm9KJwpfHWhkkZGohVC6KRrc1oJNr4jwtQMOQXw=
-google.golang.org/genproto v0.0.0-20240401170217-c3f982113cda/go.mod h1:g2LLCvCeCSir/JJSWosk19BR4NVxGqHUC6rxIRsd7Aw=
-google.golang.org/genproto/googleapis/api v0.0.0-20240506185236-b8a5c65736ae h1:AH34z6WAGVNkllnKs5raNq3yRq93VnjBG6rpfub/jYk=
-google.golang.org/genproto/googleapis/api v0.0.0-20240506185236-b8a5c65736ae/go.mod h1:FfiGhwUm6CJviekPrc0oJ+7h29e+DmWU6UtjX0ZvI7Y=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240513163218-0867130af1f8 h1:mxSlqyb8ZAHsYDCfiXN1EDdNTdvjUJSLY+OnAUtYNYA=
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+google.golang.org/genproto/googleapis/api v0.0.0-20240701130421-f6361c86f094/go.mod h1:fJ/e3If/Q67Mj99hin0hMhiNyCRmt6BQ2aWIJshUSJw=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240722135656-d784300faade h1:oCRSWfwGXQsqlVdErcyTt4A93Y8fo0/9D4b1gnI++qo=
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@@ -2332,13 +2313,13 @@ google.golang.org/grpc v1.51.0/go.mod h1:wgNDFcnuBGmxLKI/qn4T+m5BtEBYXJPvibbUPsA
 google.golang.org/grpc v1.52.0/go.mod h1:pu6fVzoFb+NBYNAvQL08ic+lvB2IojljRYuun5vorUY=
 google.golang.org/grpc v1.53.0/go.mod h1:OnIrk0ipVdj4N5d9IUoFUx72/VlD7+jUsHwZgwSMQpw=
 google.golang.org/grpc v1.55.0/go.mod h1:iYEXKGkEBhg1PjZQvoYEVPTDkHo1/bjTnfwTeGONTY8=
-google.golang.org/grpc v1.64.0 h1:KH3VH9y/MgNQg1dE7b3XfVK0GsPSIzJwdF617gUSbvY=
-google.golang.org/grpc v1.64.0/go.mod h1:oxjF8E3FBnjp+/gVFYdWacaLDx9na1aqy9oovLpxQYg=
+google.golang.org/grpc v1.64.1 h1:LKtvyfbX3UGVPFcGqJ9ItpVWW6oN/2XqTxfAnwRRXiA=
+google.golang.org/grpc v1.64.1/go.mod h1:hiQF4LFZelK2WKaP6W0L92zGHtiQdZxk8CrSdvyjeP0=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
 google.golang.org/grpc/examples v0.0.0-20201112215255-90f1b3ee835b h1:NuxyvVZoDfHZwYW9LD4GJiF5/nhiSyP4/InTrvw9Ibk=
 google.golang.org/grpc/examples v0.0.0-20201112215255-90f1b3ee835b/go.mod h1:IBqQ7wSUJ2Ep09a8rMWFsg4fmI2r38zwsq8a0GgxXpM=
-google.golang.org/grpc/security/advancedtls v0.0.0-20220622233350-5cdb09fa29c1 h1:0emxaJWaG6CfrA9Nbe4aHWbFz5AXw2QPEJP0/f42LCE=
-google.golang.org/grpc/security/advancedtls v0.0.0-20220622233350-5cdb09fa29c1/go.mod h1:PoKncN6QA5h/eFRzlCWpHSZnXF2pCtnBzAfeanB8OGQ=
+google.golang.org/grpc/security/advancedtls v1.0.0 h1:/KQ7VP/1bs53/aopk9QhuPyFAp9Dm9Ejix3lzYkCrDA=
+google.golang.org/grpc/security/advancedtls v1.0.0/go.mod h1:o+s4go+e1PJ2AjuQMY5hU82W7lDlefjJA6FqEHRVHWk=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -2355,8 +2336,8 @@ google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQ
 google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
-google.golang.org/protobuf v1.34.1 h1:9ddQBjfCyZPOHPUiPxpYESBLc+T8P3E+Vo4IbKZgFWg=
-google.golang.org/protobuf v1.34.1/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
+google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
@@ -2369,6 +2350,7 @@ gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
 gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
 gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA=
 gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k=
 gopkg.in/natefinch/lumberjack.v2 v2.2.1 h1:bBRl1b0OH9s/DuPhuXpNl+VtCaJXFZ5/uEFST95x9zc=
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@@ -2376,6 +2358,7 @@ gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkep
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/validator.v2 v2.0.1 h1:xF0KWyGWXm/LM2G1TrEjqOu4pa6coO9AlWSf3msVfDY=
 gopkg.in/validator.v2 v2.0.1/go.mod h1:lIUZBlB3Im4s/eYp39Ry/wkR02yOPhZ9IwIRBjuPuG8=
+gopkg.in/vmihailenco/msgpack.v2 v2.9.2/go.mod h1:/3Dn1Npt9+MYyLpYYXjInO/5jvMLamn+AEGwNEOatn8=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -2412,8 +2395,8 @@ modernc.org/ccgo/v3 v3.16.4/go.mod h1:tGtX0gE9Jn7hdZFeU88slbTh1UtCYKusWOoCJuvkWs
 modernc.org/ccgo/v3 v3.16.6/go.mod h1:tGtX0gE9Jn7hdZFeU88slbTh1UtCYKusWOoCJuvkWsQ=
 modernc.org/ccgo/v3 v3.16.8/go.mod h1:zNjwkizS+fIFDrDjIAgBSCLkWbJuHF+ar3QRn+Z9aws=
 modernc.org/ccgo/v3 v3.16.9/go.mod h1:zNMzC9A9xeNUepy6KuZBbugn3c0Mc9TeiJO4lgvkJDo=
-modernc.org/ccgo/v4 v4.17.8 h1:yyWBf2ipA0Y9GGz/MmCmi3EFpKgeS7ICrAFes+suEbs=
-modernc.org/ccgo/v4 v4.17.8/go.mod h1:buJnJ6Fn0tyAdP/dqePbrrvLyr6qslFfTbFrCuaYvtA=
+modernc.org/ccgo/v4 v4.17.10 h1:6wrtRozgrhCxieCeJh85QsxkX/2FFrT9hdaWPlbn4Zo=
+modernc.org/ccgo/v4 v4.17.10/go.mod h1:0NBHgsqTTpm9cA5z2ccErvGZmtntSM9qD2kFAs6pjXM=
 modernc.org/ccorpus v1.11.6/go.mod h1:2gEUTrWqdpH2pXsmTM1ZkjeSrUWDpjMu2T6m29L/ErQ=
 modernc.org/fileutil v1.3.0 h1:gQ5SIzK3H9kdfai/5x41oQiKValumqNTDXMvKo62HvE=
 modernc.org/fileutil v1.3.0/go.mod h1:XatxS8fZi3pS8/hKG2GH/ArUogfxjpEKs3Ku3aK4JyQ=
@@ -2429,8 +2412,8 @@ modernc.org/libc v1.16.17/go.mod h1:hYIV5VZczAmGZAnG15Vdngn5HSF5cSkbvfz2B7GRuVU=
 modernc.org/libc v1.16.19/go.mod h1:p7Mg4+koNjc8jkqwcoFBJx7tXkpj00G77X7A72jXPXA=
 modernc.org/libc v1.17.0/go.mod h1:XsgLldpP4aWlPlsjqKRdHPqCxCjISdHfM/yeWC5GyW0=
 modernc.org/libc v1.17.1/go.mod h1:FZ23b+8LjxZs7XtFMbSzL/EhPxNbfZbErxEHc7cbD9s=
-modernc.org/libc v1.50.9 h1:hIWf1uz55lorXQhfoEoezdUHjxzuO6ceshET/yWjSjk=
-modernc.org/libc v1.50.9/go.mod h1:15P6ublJ9FJR8YQCGy8DeQ2Uwur7iW9Hserr/T3OFZE=
+modernc.org/libc v1.52.1 h1:uau0VoiT5hnR+SpoWekCKbLqm7v6dhRL3hI+NQhgN3M=
+modernc.org/libc v1.52.1/go.mod h1:HR4nVzFDSDizP620zcMCgjb1/8xk2lg5p/8yjfGv1IQ=
 modernc.org/mathutil v1.1.1/go.mod h1:mZW8CKdRPY1v87qxC/wUdX5O1qDzXMP5TH3wjfpga6E=
 modernc.org/mathutil v1.2.2/go.mod h1:mZW8CKdRPY1v87qxC/wUdX5O1qDzXMP5TH3wjfpga6E=
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@@ -2448,8 +2431,8 @@ modernc.org/opt v0.1.3/go.mod h1:WdSiB5evDcignE70guQKxYUl14mgWtbClRi5wmkkTX0=
 modernc.org/sortutil v1.2.0 h1:jQiD3PfS2REGJNzNCMMaLSp/wdMNieTbKX920Cqdgqc=
 modernc.org/sortutil v1.2.0/go.mod h1:TKU2s7kJMf1AE84OoiGppNHJwvB753OYfNl2WRb++Ss=
 modernc.org/sqlite v1.18.1/go.mod h1:6ho+Gow7oX5V+OiOQ6Tr4xeqbx13UZ6t+Fw9IRUG4d4=
-modernc.org/sqlite v1.30.0 h1:8YhPUs/HTnlEgErn/jSYQTwHN/ex8CjHHjg+K9iG7LM=
-modernc.org/sqlite v1.30.0/go.mod h1:cgkTARJ9ugeXSNaLBPK3CqbOe7Ec7ZhWPoMFGldEYEw=
+modernc.org/sqlite v1.30.2 h1:IPVVkhLu5mMVnS1dQgh3h0SAACRWcVk7aoLP9Us3UCk=
+modernc.org/sqlite v1.30.2/go.mod h1:DUmsiWQDaAvU4abhc/N+djlom/L2o8f7gZ95RCvyoLU=
 modernc.org/strutil v1.1.0/go.mod h1:lstksw84oURvj9y3tn8lGvRxyRC1S2+g5uuIzNfIOBs=
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@@ -2464,13 +2447,15 @@ rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8
 rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
-storj.io/common v0.0.0-20240111121419-ecae1362576c h1:pdNDgFEX2EWmjZLflwQUPKGsq8GYcrdUhihHzgSkutw=
-storj.io/common v0.0.0-20240111121419-ecae1362576c/go.mod h1:s3e2Lyg2jCwqL9TLFmesDgoZBPQIByBiKZ+AJOI9qvc=
+storj.io/common v0.0.0-20240424123607-5f226fc92c16 h1:Eg2S+KnMD7yCXnlxG5uHUrGOO9H7o1v4Fl/175n7tWc=
+storj.io/common v0.0.0-20240424123607-5f226fc92c16/go.mod h1:MFl009RHY4tIqySVNy/6EmgRw2q60d26h9N/nb7JxGU=
 storj.io/drpc v0.0.33 h1:yCGZ26r66ZdMP0IcTYsj7WDAUIIjzXk6DJhbhvt9FHI=
 storj.io/drpc v0.0.33/go.mod h1:vR804UNzhBa49NOJ6HeLjd2H3MakC1j5Gv8bsOQT6N4=
+storj.io/eventkit v0.0.0-20240306141230-6cb545e5f892 h1:IVzNtTR1VT+QNALCNLX/Z+0hzGo/Y2XI7umgG5PFwOk=
+storj.io/eventkit v0.0.0-20240306141230-6cb545e5f892/go.mod h1:S6p41RzIBKoeGAdrziksWkiijnZXql9YcNsc23t0u+8=
 storj.io/infectious v0.0.2 h1:rGIdDC/6gNYAStsxsZU79D/MqFjNyJc1tsyyj9sTl7Q=
 storj.io/infectious v0.0.2/go.mod h1:QEjKKww28Sjl1x8iDsjBpOM4r1Yp8RsowNcItsZJ1Vs=
-storj.io/picobuf v0.0.2-0.20230906122608-c4ba17033c6c h1:or/DtG5uaZpzimL61ahlgAA+MTYn/U3txz4fe+XBFUg=
-storj.io/picobuf v0.0.2-0.20230906122608-c4ba17033c6c/go.mod h1:JCuc3C0gzCJHQ4J6SOx/Yjg+QTpX0D+Fvs5H46FETCk=
-storj.io/uplink v1.12.2 h1:lqgOsMhUI2hP5N1twU9zmvhlu6rgyCsKg/MrnzSZGjk=
-storj.io/uplink v1.12.2/go.mod h1:FijbSlvLWgzDg/gYyE+rVxTNOlQhCGTn7qPsbFHgeQU=
+storj.io/picobuf v0.0.3 h1:xAUPB5ZUGfxkqd3bnw3zp01kkWb9wlhg4vtZWUs2S9A=
+storj.io/picobuf v0.0.3/go.mod h1:4V4xelV1RSCck5GgmkL/Txw9l6IfX3XcBzegmL5Kudo=
+storj.io/uplink v1.13.0 h1:MAwzMaO4F86n2sMdNm7/m7LVyf8KD0FP+72h1H+HuRE=
+storj.io/uplink v1.13.0/go.mod h1:MT8+V7qddgn1ra09piq3Idy4IUva2S90S7me7U8n6cE=
diff --git a/k8s/charts/seaweedfs/Chart.yaml b/k8s/charts/seaweedfs/Chart.yaml
index e7ed1f472..073679afd 100644
--- a/k8s/charts/seaweedfs/Chart.yaml
+++ b/k8s/charts/seaweedfs/Chart.yaml
@@ -1,5 +1,6 @@
 apiVersion: v1
 description: SeaweedFS
 name: seaweedfs
-appVersion: "3.68"
-version: 3.68.0
+appVersion: "3.71"
+# Dev note: Trigger a helm chart release by `git tag -a helm-<version>`
+version: 4.0.0
diff --git a/k8s/charts/seaweedfs/templates/_helpers.tpl b/k8s/charts/seaweedfs/templates/_helpers.tpl
index f6f7b8991..d8261eb32 100644
--- a/k8s/charts/seaweedfs/templates/_helpers.tpl
+++ b/k8s/charts/seaweedfs/templates/_helpers.tpl
@@ -49,25 +49,7 @@ Inject extra environment vars in the format key:value, if populated
 {{- $imageOverride := .Values.filer.imageOverride -}}
 {{- printf "%s" $imageOverride -}}
 {{- else -}}
-{{- $registryName := default .Values.image.registry .Values.global.localRegistry | toString -}}
-{{- $repositoryName := .Values.image.repository | toString -}}
-{{- $name := .Values.global.imageName | toString -}}
-{{- $tag := .Chart.AppVersion | toString -}}
-{{- printf "%s%s%s:%s" $registryName $repositoryName $name $tag -}}
-{{- end -}}
-{{- end -}}
-
-{{/* Return the proper dbSchema image */}}
-{{- define "filer.dbSchema.image" -}}
-{{- if .Values.filer.dbSchema.imageOverride -}}
-{{- $imageOverride := .Values.filer.dbSchema.imageOverride -}}
-{{- printf "%s" $imageOverride -}}
-{{- else -}}
-{{- $registryName := default .Values.global.registry .Values.global.localRegistry | toString -}}
-{{- $repositoryName := .Values.global.repository | toString -}}
-{{- $name := .Values.filer.dbSchema.imageName | toString -}}
-{{- $tag := .Values.filer.dbSchema.imageTag | toString -}}
-{{- printf "%s%s%s:%s" $registryName $repositoryName $name $tag -}}
+{{- include "common.image" . }}
 {{- end -}}
 {{- end -}}
 
@@ -77,11 +59,7 @@ Inject extra environment vars in the format key:value, if populated
 {{- $imageOverride := .Values.master.imageOverride -}}
 {{- printf "%s" $imageOverride -}}
 {{- else -}}
-{{- $registryName := default .Values.image.registry .Values.global.localRegistry | toString -}}
-{{- $repositoryName := .Values.image.repository | toString -}}
-{{- $name := .Values.global.imageName | toString -}}
-{{- $tag := .Chart.AppVersion | toString -}}
-{{- printf "%s%s%s:%s" $registryName $repositoryName $name $tag -}}
+{{- include "common.image" . }}
 {{- end -}}
 {{- end -}}
 
@@ -91,11 +69,7 @@ Inject extra environment vars in the format key:value, if populated
 {{- $imageOverride := .Values.s3.imageOverride -}}
 {{- printf "%s" $imageOverride -}}
 {{- else -}}
-{{- $registryName := default .Values.image.registry .Values.global.localRegistry | toString -}}
-{{- $repositoryName := .Values.image.repository | toString -}}
-{{- $name := .Values.global.imageName | toString -}}
-{{- $tag := .Chart.AppVersion | toString -}}
-{{- printf "%s%s%s:%s" $registryName $repositoryName $name $tag -}}
+{{- include "common.image" . }}
 {{- end -}}
 {{- end -}}
 
@@ -105,11 +79,20 @@ Inject extra environment vars in the format key:value, if populated
 {{- $imageOverride := .Values.volume.imageOverride -}}
 {{- printf "%s" $imageOverride -}}
 {{- else -}}
-{{- $registryName := default .Values.image.registry .Values.global.localRegistry | toString -}}
+{{- include "common.image" . }}
+{{- end -}}
+{{- end -}}
+
+{{/* Computes the container image name for all components (if they are not overridden) */}}
+{{- define "common.image" -}}
+{{- $registryName := default .Values.image.registry .Values.global.registry | toString -}}
 {{- $repositoryName := .Values.image.repository | toString -}}
 {{- $name := .Values.global.imageName | toString -}}
 {{- $tag := .Chart.AppVersion | toString -}}
-{{- printf "%s%s%s:%s" $registryName $repositoryName $name $tag -}}
+{{- if $registryName -}}
+{{- printf "%s/%s%s:%s" $registryName $repositoryName $name $tag -}}
+{{- else -}}
+{{- printf "%s%s:%s" $repositoryName $name $tag -}}
 {{- end -}}
 {{- end -}}
 
diff --git a/k8s/charts/seaweedfs/templates/ca-cert.yaml b/k8s/charts/seaweedfs/templates/ca-cert.yaml
index fc002aebe..0fd6615e1 100644
--- a/k8s/charts/seaweedfs/templates/ca-cert.yaml
+++ b/k8s/charts/seaweedfs/templates/ca-cert.yaml
@@ -14,6 +14,6 @@ spec:
   commonName: "{{ template "seaweedfs.name" . }}-root-ca"
   isCA: true
   issuerRef:
-    name: {{ template "seaweedfs.name" . }}-clusterissuer
-    kind: ClusterIssuer
+    name: {{ template "seaweedfs.name" . }}-issuer
+    kind: Issuer
 {{- end }}
diff --git a/k8s/charts/seaweedfs/templates/cert-clusterissuer.yaml b/k8s/charts/seaweedfs/templates/cert-issuer.yaml
similarity index 86%
rename from k8s/charts/seaweedfs/templates/cert-clusterissuer.yaml
rename to k8s/charts/seaweedfs/templates/cert-issuer.yaml
index 42e080fd6..9f243d07c 100644
--- a/k8s/charts/seaweedfs/templates/cert-clusterissuer.yaml
+++ b/k8s/charts/seaweedfs/templates/cert-issuer.yaml
@@ -1,8 +1,8 @@
 {{- if and .Values.global.enableSecurity (not .Values.certificates.externalCertificates.enabled)}}
 apiVersion: cert-manager.io/v1{{ if .Values.global.certificates.alphacrds }}alpha1{{ end }}
-kind: ClusterIssuer
+kind: Issuer
 metadata:
-  name: {{ template "seaweedfs.name" . }}-clusterissuer
+  name: {{ template "seaweedfs.name" . }}-issuer
   labels:
     app.kubernetes.io/name: {{ template "seaweedfs.name" . }}
     helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
diff --git a/k8s/charts/seaweedfs/templates/cluster-role.yaml b/k8s/charts/seaweedfs/templates/cluster-role.yaml
new file mode 100644
index 000000000..154de0675
--- /dev/null
+++ b/k8s/charts/seaweedfs/templates/cluster-role.yaml
@@ -0,0 +1,35 @@
+{{- if .Values.global.createClusterRole }}
+#hack for delete pod master after migration
+---
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: {{ .Values.global.serviceAccountName }}-rw-cr
+  labels:
+    app.kubernetes.io/name: {{ template "seaweedfs.name" . }}
+    helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+rules:
+  - apiGroups: [""]
+    resources: ["pods"]
+    verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]
+---
+kind: ClusterRoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: system:serviceaccount:{{ .Values.global.serviceAccountName }}:default
+  labels:
+    app.kubernetes.io/name: {{ template "seaweedfs.name" . }}
+    helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+subjects:
+  - kind: ServiceAccount
+    name: {{ .Values.global.serviceAccountName }}
+    namespace: {{ .Release.Namespace }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: {{ .Values.global.serviceAccountName }}-rw-cr
+{{- end }}
\ No newline at end of file
diff --git a/k8s/charts/seaweedfs/templates/cosi-bucket-class.yaml b/k8s/charts/seaweedfs/templates/cosi-bucket-class.yaml
new file mode 100644
index 000000000..e5503abd8
--- /dev/null
+++ b/k8s/charts/seaweedfs/templates/cosi-bucket-class.yaml
@@ -0,0 +1,16 @@
+{{- if and .Values.cosi.enabled .Values.cosi.bucketClassName }}
+---
+kind: BucketClass
+apiVersion: objectstorage.k8s.io/v1alpha1
+metadata:
+  name: {{ .Values.cosi.bucketClassName }}
+driverName: {{ .Values.cosi.driverName }}
+deletionPolicy: Delete
+---
+kind: BucketAccessClass
+apiVersion: objectstorage.k8s.io/v1alpha1
+metadata:
+  name: {{ .Values.cosi.bucketClassName }}
+driverName: {{ .Values.cosi.driverName }}
+authenticationType: KEY
+{{- end }}
diff --git a/k8s/charts/seaweedfs/templates/cosi-cluster-role.yaml b/k8s/charts/seaweedfs/templates/cosi-cluster-role.yaml
new file mode 100644
index 000000000..75d3ec32c
--- /dev/null
+++ b/k8s/charts/seaweedfs/templates/cosi-cluster-role.yaml
@@ -0,0 +1,69 @@
+{{- if .Values.cosi.enabled }}
+---
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: {{ .Values.global.serviceAccountName }}-objectstorage-provisioner
+  labels:
+    app.kubernetes.io/name: {{ template "seaweedfs.name" . }}
+    helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+rules:
+- apiGroups: ["objectstorage.k8s.io"]
+  resources:
+    - "buckets"
+    - "bucketaccesses"
+    - "bucketclaims"
+    - "bucketaccessclasses"
+    - "buckets/status"
+    - "bucketaccesses/status"
+    - "bucketclaims/status"
+    - "bucketaccessclasses/status"
+  verbs:
+    - "get"
+    - "list"
+    - "watch"
+    - "update"
+    - "create"
+    - "delete"
+- apiGroups: ["coordination.k8s.io"]
+  resources: ["leases"]
+  verbs:
+    - "get"
+    - "watch"
+    - "list"
+    - "delete"
+    - "update"
+    - "create"
+- apiGroups: [""]
+  resources:
+    - "secrets"
+    - "events"
+  verbs:
+    - "get"
+    - "list"
+    - "watch"
+    - "update"
+    - "create"
+    - "delete"
+    - "patch"
+---
+kind: ClusterRoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: {{ .Values.global.serviceAccountName }}-objectstorage-provisioner
+  labels:
+    app.kubernetes.io/name: {{ template "seaweedfs.name" . }}
+    helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+subjects:
+  - kind: ServiceAccount
+    name: {{ .Values.global.serviceAccountName }}-objectstorage-provisioner
+    namespace: {{ .Release.Namespace }}
+roleRef:
+  kind: ClusterRole
+  name: {{ .Values.global.serviceAccountName }}-objectstorage-provisioner
+  apiGroup: rbac.authorization.k8s.io
+{{- end }}
diff --git a/k8s/charts/seaweedfs/templates/cosi-deployment.yaml b/k8s/charts/seaweedfs/templates/cosi-deployment.yaml
new file mode 100644
index 000000000..15e5fa6d4
--- /dev/null
+++ b/k8s/charts/seaweedfs/templates/cosi-deployment.yaml
@@ -0,0 +1,204 @@
+{{- if .Values.cosi.enabled }}
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ template "seaweedfs.name" . }}-objectstorage-provisioner
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.kubernetes.io/name: {{ template "seaweedfs.name" . }}
+    helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+spec:
+  replicas: {{ .Values.cosi.replicas }}
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ template "seaweedfs.name" . }}
+      helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+      app.kubernetes.io/component: objectstorage-provisioner
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: {{ template "seaweedfs.name" . }}
+        helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+        app.kubernetes.io/instance: {{ .Release.Name }}
+        app.kubernetes.io/component: objectstorage-provisioner
+      {{ with .Values.podLabels }}
+      {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.cosi.podLabels }}
+      {{- toYaml . | nindent 8 }}
+      {{- end }}
+      annotations:
+      {{ with .Values.podAnnotations }}
+      {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.cosi.podAnnotations }}
+      {{- toYaml . | nindent 8 }}
+      {{- end }}
+    spec:
+      restartPolicy: {{ default .Values.global.restartPolicy .Values.cosi.restartPolicy }}
+      {{- if .Values.cosi.tolerations }}
+      tolerations:
+        {{ tpl .Values.cosi.tolerations . | nindent 8 | trim }}
+      {{- end }}
+      {{- include "seaweedfs.imagePullSecrets" . | nindent 6 }}
+      terminationGracePeriodSeconds: 10
+      {{- if .Values.cosi.priorityClassName }}
+      priorityClassName: {{ .Values.cosi.priorityClassName | quote }}
+      {{- end }}
+      enableServiceLinks: false
+      serviceAccountName: {{ .Values.global.serviceAccountName }}-objectstorage-provisioner
+      {{- if .Values.cosi.initContainers }}
+      initContainers:
+        {{ tpl .Values.cosi.initContainers . | nindent 8 | trim }}
+      {{- end }}
+      {{- if .Values.cosi.podSecurityContext.enabled }}
+      securityContext: {{- omit .Values.cosi.podSecurityContext "enabled" | toYaml | nindent 8 }}
+      {{- end }}
+      containers:
+        - name: seaweedfs-cosi-driver
+          image: "{{ .Values.cosi.image }}"
+          imagePullPolicy: {{ default "IfNotPresent" .Values.global.imagePullPolicy }}
+          env:
+            - name: DRIVERNAME
+              value: "{{ .Values.cosi.driverName }}"
+            - name: ENDPOINT
+              {{- if .Values.cosi.endpoint }}
+              value: "{{ .Values.cosi.endpoint }}"
+              {{- else if .Values.s3.ingress.enabled }}
+              value: "{{ printf "https://%s" .Values.s3.ingress.host }}"
+              {{- else if .Values.s3.enabled }}
+              value: "{{ printf "https://%s-s3.%s.svc" (include "seaweedfs.name" .) .Release.Namespace }}"
+              {{- else }}
+              value: "{{ printf "https://%s-filer.%s.svc" (include "seaweedfs.name" .) .Release.Namespace }}"
+              {{- end }}
+            {{- with .Values.cosi.region }}
+            - name: REGION
+              value: "{{ . }}"
+            {{- end }}
+            - name: SEAWEEDFS_FILER
+              value: "{{ template "seaweedfs.name" . }}-filer:{{ .Values.filer.grpcPort }}"
+            {{- if .Values.global.enableSecurity }}
+            - name: WEED_GRPC_CLIENT_KEY
+              value: /usr/local/share/ca-certificates/client/tls.key
+            - name: WEED_GRPC_CLIENT_CERT
+              value: /usr/local/share/ca-certificates/client/tls.crt
+            - name: WEED_GRPC_CA
+              value: /usr/local/share/ca-certificates/client/ca.crt
+            {{- end }}
+            {{- if .Values.cosi.extraEnvironmentVars }}
+            {{- range $key, $value := .Values.cosi.extraEnvironmentVars }}
+            - name: {{ $key }}
+            {{- if kindIs "string" $value }}
+              value: {{ $value | quote }}
+            {{- else }}
+              valueFrom:
+                {{ toYaml $value | nindent 16 | trim }}
+            {{- end -}}
+            {{- end }}
+            {{- end }}
+            {{- if .Values.global.extraEnvironmentVars }}
+            {{- range $key, $value := .Values.global.extraEnvironmentVars }}
+            - name: {{ $key }}
+            {{- if kindIs "string" $value }}
+              value: {{ $value | quote }}
+            {{- else }}
+              valueFrom:
+                {{ toYaml $value | nindent 16 | trim }}
+            {{- end -}}
+            {{- end }}
+            {{- end }}
+          volumeMounts:
+            - mountPath: /var/lib/cosi
+              name: socket
+            {{- if .Values.cosi.enableAuth }}
+            - mountPath: /etc/sw
+              name: config-users
+              readOnly: true
+            {{- end }}
+            {{- if .Values.global.enableSecurity }}
+            - name: security-config
+              readOnly: true
+              mountPath: /etc/seaweedfs/security.toml
+              subPath: security.toml
+            - name: ca-cert
+              readOnly: true
+              mountPath: /usr/local/share/ca-certificates/ca/
+            - name: master-cert
+              readOnly: true
+              mountPath: /usr/local/share/ca-certificates/master/
+            - name: volume-cert
+              readOnly: true
+              mountPath: /usr/local/share/ca-certificates/volume/
+            - name: filer-cert
+              readOnly: true
+              mountPath: /usr/local/share/ca-certificates/filer/
+            - name: client-cert
+              readOnly: true
+              mountPath: /usr/local/share/ca-certificates/client/
+            {{- end }}
+            {{ tpl .Values.cosi.extraVolumeMounts . | nindent 12 | trim }}
+        - name: seaweedfs-cosi-sidecar
+          image: "{{ .Values.cosi.sidecar.image }}"
+          imagePullPolicy: {{ default "IfNotPresent" .Values.global.imagePullPolicy }}
+          args:
+            - {{ printf "--v=%s" (default "5" .Values.cosi.sidecar.logLevel) }}
+          env:
+            - name: POD_NAMESPACE
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.namespace
+          volumeMounts:
+            - mountPath: /var/lib/cosi
+              name: socket
+          {{- with .Values.cosi.resources }}
+          resources:
+            {{- toYaml . | nindent 12 }}
+          {{- end }}
+          {{- if .Values.cosi.containerSecurityContext.enabled }}
+          securityContext: {{- omit .Values.cosi.containerSecurityContext "enabled" | toYaml | nindent 12 }}
+          {{- end }}
+      {{- if .Values.cosi.sidecars }}
+      {{- include "common.tplvalues.render" (dict "value" .Values.cosi.sidecars "context" $) | nindent 8 }}
+      {{- end }}
+      volumes:
+        - name: socket
+          emptyDir: {}
+        {{- if .Values.cosi.enableAuth }}
+        - name: config-users
+          secret:
+            defaultMode: 420
+            {{- if .Values.cosi.existingConfigSecret }}
+            secretName: {{ .Values.cosi.existingConfigSecret }}
+            {{- else }}
+            secretName: seaweedfs-client-cert
+            {{- end }}
+        {{- end }}
+        {{- if .Values.global.enableSecurity }}
+        - name: security-config
+          configMap:
+            name: {{ template "seaweedfs.name" . }}-security-config
+        - name: ca-cert
+          secret:
+            secretName: {{ template "seaweedfs.name" . }}-ca-cert
+        - name: master-cert
+          secret:
+            secretName: {{ template "seaweedfs.name" . }}-master-cert
+        - name: volume-cert
+          secret:
+            secretName: {{ template "seaweedfs.name" . }}-volume-cert
+        - name: filer-cert
+          secret:
+            secretName: {{ template "seaweedfs.name" . }}-filer-cert
+        - name: client-cert
+          secret:
+            secretName: {{ template "seaweedfs.name" . }}-client-cert
+        {{- end }}
+        {{ tpl .Values.cosi.extraVolumes . | indent 8 | trim }}
+      {{- if .Values.cosi.nodeSelector }}
+      nodeSelector:
+        {{ tpl .Values.cosi.nodeSelector . | indent 8 | trim }}
+      {{- end }}
+{{- end }}
diff --git a/k8s/charts/seaweedfs/templates/cosi-service-account.yaml b/k8s/charts/seaweedfs/templates/cosi-service-account.yaml
new file mode 100644
index 000000000..78227fdeb
--- /dev/null
+++ b/k8s/charts/seaweedfs/templates/cosi-service-account.yaml
@@ -0,0 +1,13 @@
+{{- if .Values.cosi.enabled }}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ .Values.global.serviceAccountName }}-objectstorage-provisioner
+  namespace: {{ .Release.Namespace }}
+  labels:
+    app.kubernetes.io/name: {{ template "seaweedfs.name" . }}
+    helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+automountServiceAccountToken: {{ .Values.global.automountServiceAccountToken }}
+{{- end }}
diff --git a/k8s/charts/seaweedfs/templates/filer-statefulset.yaml b/k8s/charts/seaweedfs/templates/filer-statefulset.yaml
index 22d5197c7..49b62e867 100644
--- a/k8s/charts/seaweedfs/templates/filer-statefulset.yaml
+++ b/k8s/charts/seaweedfs/templates/filer-statefulset.yaml
@@ -32,19 +32,25 @@ spec:
         helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
         app.kubernetes.io/instance: {{ .Release.Name }}
         app.kubernetes.io/component: filer
-      {{ with .Values.podLabels }}
+      {{- with .Values.podLabels }}
       {{- toYaml . | nindent 8 }}
       {{- end }}
       {{- with .Values.filer.podLabels }}
       {{- toYaml . | nindent 8 }}
       {{- end }}
       annotations:
-      {{ with .Values.podAnnotations }}
+      {{- with .Values.podAnnotations }}
       {{- toYaml . | nindent 8 }}
       {{- end }}
       {{- with .Values.filer.podAnnotations }}
       {{- toYaml . | nindent 8 }}
       {{- end }}
+      {{- if .Values.filer.s3.existingConfigSecret }}
+        {{- $configSecret := (lookup "v1" "Secret" .Release.Namespace .Values.filer.s3.existingConfigSecret) | default dict }}
+        checksum/s3config: {{ $configSecret | toYaml | sha256sum }}
+      {{- else }}
+        checksum/s3config: {{ include (print .Template.BasePath "/s3-secret.yaml") . | sha256sum }}
+      {{- end }}
     spec:
       restartPolicy: {{ default .Values.global.restartPolicy .Values.filer.restartPolicy }}
       {{- if .Values.filer.affinity }}
@@ -56,9 +62,7 @@ spec:
         {{ tpl .Values.filer.tolerations . | nindent 8 | trim }}
       {{- end }}
       {{- include "seaweedfs.imagePullSecrets" . | nindent 6 }}
-      {{- if .Values.global.createClusterRole }}
       serviceAccountName: {{ .Values.filer.serviceAccountName | default .Values.global.serviceAccountName | quote }} # for deleting statefulset pods after migration
-      {{- end }}
       terminationGracePeriodSeconds: 60
       {{- if .Values.filer.priorityClassName }}
       priorityClassName: {{ .Values.filer.priorityClassName | quote }}
@@ -269,9 +273,9 @@ spec:
             failureThreshold: {{ .Values.filer.livenessProbe.failureThreshold }}
             timeoutSeconds: {{ .Values.filer.livenessProbe.timeoutSeconds }}
           {{- end }}
-          {{- if .Values.filer.resources }}
+          {{- with .Values.filer.resources }}
           resources:
-            {{ tpl .Values.filer.resources . | nindent 12 | trim }}
+            {{- toYaml . | nindent 12 }}
           {{- end }}
           {{- if .Values.filer.containerSecurityContext.enabled }}
           securityContext: {{- omit .Values.filer.containerSecurityContext "enabled" | toYaml | nindent 12 }}
diff --git a/k8s/charts/seaweedfs/templates/master-statefulset.yaml b/k8s/charts/seaweedfs/templates/master-statefulset.yaml
index 358f7f1cf..73d1f9fb3 100644
--- a/k8s/charts/seaweedfs/templates/master-statefulset.yaml
+++ b/k8s/charts/seaweedfs/templates/master-statefulset.yaml
@@ -227,9 +227,9 @@ spec:
             failureThreshold: {{ .Values.master.livenessProbe.failureThreshold }}
             timeoutSeconds: {{ .Values.master.livenessProbe.timeoutSeconds }}
           {{- end }}
-          {{- if .Values.master.resources }}
+          {{- with .Values.master.resources }}
           resources:
-            {{ tpl .Values.master.resources . | nindent 12 | trim }}
+            {{- toYaml . | nindent 12 }}
           {{- end }}
           {{- if .Values.master.containerSecurityContext.enabled }}
           securityContext: {{- omit .Values.master.containerSecurityContext "enabled" | toYaml | nindent 12 }}
diff --git a/k8s/charts/seaweedfs/templates/s3-deployment.yaml b/k8s/charts/seaweedfs/templates/s3-deployment.yaml
index 778cac60f..b678a0eff 100644
--- a/k8s/charts/seaweedfs/templates/s3-deployment.yaml
+++ b/k8s/charts/seaweedfs/templates/s3-deployment.yaml
@@ -204,9 +204,9 @@ spec:
             failureThreshold: {{ .Values.s3.livenessProbe.failureThreshold }}
             timeoutSeconds: {{ .Values.s3.livenessProbe.timeoutSeconds }}
           {{- end }}
-          {{- if .Values.s3.resources }}
+          {{- with .Values.s3.resources }}
           resources:
-            {{ tpl .Values.s3.resources . | nindent 12 | trim }}
+            {{- toYaml . | nindent 12 }}
           {{- end }}
           {{- if .Values.s3.containerSecurityContext.enabled }}
           securityContext: {{- omit .Values.s3.containerSecurityContext "enabled" | toYaml | nindent 12 }}
diff --git a/k8s/charts/seaweedfs/templates/service-account.yaml b/k8s/charts/seaweedfs/templates/service-account.yaml
index 56f18ac5b..429158a27 100644
--- a/k8s/charts/seaweedfs/templates/service-account.yaml
+++ b/k8s/charts/seaweedfs/templates/service-account.yaml
@@ -1,20 +1,3 @@
-{{- if .Values.global.createClusterRole }}
-#hack for delete pod master after migration
----
-kind: ClusterRole
-apiVersion: rbac.authorization.k8s.io/v1
-metadata:
-  name: {{ .Values.global.serviceAccountName }}-rw-cr
-  labels:
-    app.kubernetes.io/name: {{ template "seaweedfs.name" . }}
-    helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
-    app.kubernetes.io/managed-by: {{ .Release.Service }}
-    app.kubernetes.io/instance: {{ .Release.Name }}
-rules:
-  - apiGroups: [""]
-    resources: ["pods"]
-    verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]
----
 apiVersion: v1
 kind: ServiceAccount
 metadata:
@@ -25,22 +8,4 @@ metadata:
     helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
     app.kubernetes.io/managed-by: {{ .Release.Service }}
     app.kubernetes.io/instance: {{ .Release.Name }}
----
-kind: ClusterRoleBinding
-apiVersion: rbac.authorization.k8s.io/v1
-metadata:
-  name: system:serviceaccount:{{ .Values.global.serviceAccountName }}:default
-  labels:
-    app.kubernetes.io/name: {{ template "seaweedfs.name" . }}
-    helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
-    app.kubernetes.io/managed-by: {{ .Release.Service }}
-    app.kubernetes.io/instance: {{ .Release.Name }}
-subjects:
-- kind: ServiceAccount
-  name: {{ .Values.global.serviceAccountName }}
-  namespace: {{ .Release.Namespace }}
-roleRef:
-  apiGroup: rbac.authorization.k8s.io
-  kind: ClusterRole
-  name: {{ .Values.global.serviceAccountName }}-rw-cr
-{{- end }}
+automountServiceAccountToken: {{ .Values.global.automountServiceAccountToken }}
\ No newline at end of file
diff --git a/k8s/charts/seaweedfs/templates/volume-resize-hook.yaml b/k8s/charts/seaweedfs/templates/volume-resize-hook.yaml
new file mode 100644
index 000000000..436a785e1
--- /dev/null
+++ b/k8s/charts/seaweedfs/templates/volume-resize-hook.yaml
@@ -0,0 +1,114 @@
+{{- if and .Values.volume.enabled .Values.volume.resizeHook.enabled }}
+{{- $seaweedfsName := include "seaweedfs.name" $ }}
+{{- $replicas := int .Values.volume.replicas -}}
+{{- $statefulsetName := printf "%s-volume" $seaweedfsName -}}
+{{- $statefulset := (lookup "apps/v1" "StatefulSet" .Release.Namespace $statefulsetName) -}}
+
+{{/* Check for changes in volumeClaimTemplates */}}
+{{- $templateChangesRequired := false -}}
+{{- if $statefulset -}}
+  {{- range $dir := .Values.volume.dataDirs -}}
+    {{- if eq .type "persistentVolumeClaim" -}}
+      {{- $desiredSize := .size -}}
+      {{- range $statefulset.spec.volumeClaimTemplates -}}
+        {{- if and (eq .metadata.name $dir.name) (ne .spec.resources.requests.storage $desiredSize) -}}
+          {{- $templateChangesRequired = true -}}
+        {{- end -}}
+      {{- end -}}
+    {{- end -}}
+  {{- end -}}
+{{- end -}}
+
+{{/* Check for the need for patching existing PVCs */}}
+{{- $pvcChangesRequired := false -}}
+{{- range $dir := .Values.volume.dataDirs -}}
+  {{- if eq .type "persistentVolumeClaim" -}}
+    {{- $desiredSize := .size -}}
+    {{- range $i, $e := until $replicas }}
+      {{- $pvcName := printf "%s-%s-volume-%d" $dir.name $seaweedfsName $e -}}
+      {{- $currentPVC := (lookup "v1" "PersistentVolumeClaim" $.Release.Namespace $pvcName) -}}
+      {{- if and $currentPVC (ne ($currentPVC.spec.resources.requests.storage | toString) $desiredSize) -}}
+        {{- $pvcChangesRequired = true -}}
+      {{- end -}}
+    {{- end -}}
+  {{- end -}}
+{{- end -}}
+
+{{- if or $templateChangesRequired $pvcChangesRequired }}
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: "{{ $seaweedfsName }}-volume-resize-hook"
+  annotations:
+    helm.sh/hook: pre-install,pre-upgrade
+    helm.sh/hook-weight: "0"
+    helm.sh/hook-delete-policy: hook-succeeded,before-hook-creation
+spec:
+  template:
+    spec:
+      serviceAccountName: {{ $seaweedfsName }}-volume-resize-hook
+      restartPolicy: Never
+      backoffLimit: 1
+      containers:
+        - name: resize
+          image: {{ .Values.volume.resizeHook.image }}
+          command: ["sh", "-xec"]
+          args:
+            - |
+              {{- if $pvcChangesRequired -}}
+              {{- range $dir := .Values.volume.dataDirs -}}
+              {{- if eq .type "persistentVolumeClaim" -}}
+              {{- $desiredSize := .size -}}
+              {{- range $i, $e := until $replicas }}
+              kubectl patch pvc {{ printf "%s-%s-volume-%d" $dir.name $seaweedfsName $e }} -p '{"spec":{"resources":{"requests":{"storage":"{{ $desiredSize }}"}}}}'
+              {{- end }}
+              {{- end }}
+              {{- end }}
+              {{- end -}}
+
+              {{- if $templateChangesRequired }}
+              kubectl delete statefulset {{ $statefulsetName }} --cascade=orphan
+              {{- end }}
+{{- end }}
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ $seaweedfsName }}-volume-resize-hook
+  annotations:
+    helm.sh/hook: pre-install,pre-upgrade
+    helm.sh/hook-weight: "-5"
+    helm.sh/hook-delete-policy: before-hook-creation
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+  name: {{ $seaweedfsName }}-volume-resize-hook
+  annotations:
+    helm.sh/hook: pre-install,pre-upgrade
+    helm.sh/hook-weight: "-5"
+    helm.sh/hook-delete-policy: before-hook-creation
+rules:
+  - apiGroups: ["apps"]
+    resources: ["statefulsets"]
+    verbs: ["delete", "get", "list", "watch"]
+  - apiGroups: [""]
+    resources: ["persistentvolumeclaims"]
+    verbs: ["patch", "get", "list", "watch"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+  name: {{ $seaweedfsName }}-volume-resize-hook
+  annotations:
+    helm.sh/hook: pre-install,pre-upgrade
+    helm.sh/hook-weight: "-5"
+    helm.sh/hook-delete-policy: before-hook-creation
+subjects:
+  - kind: ServiceAccount
+    name: {{ $seaweedfsName }}-volume-resize-hook
+roleRef:
+  kind: Role
+  name: {{ $seaweedfsName }}-volume-resize-hook
+  apiGroup: rbac.authorization.k8s.io
+{{- end }}
diff --git a/k8s/charts/seaweedfs/templates/volume-statefulset.yaml b/k8s/charts/seaweedfs/templates/volume-statefulset.yaml
index 5a2c62505..0a70d8c44 100644
--- a/k8s/charts/seaweedfs/templates/volume-statefulset.yaml
+++ b/k8s/charts/seaweedfs/templates/volume-statefulset.yaml
@@ -242,9 +242,9 @@ spec:
             failureThreshold: {{ .Values.volume.livenessProbe.failureThreshold }}
             timeoutSeconds: {{ .Values.volume.livenessProbe.timeoutSeconds }}
           {{- end }}
-          {{- if .Values.volume.resources }}
+          {{- with .Values.volume.resources }}
           resources:
-            {{ tpl .Values.volume.resources . | nindent 12 | trim }}
+            {{- toYaml . | nindent 12 }}
           {{- end }}
           {{- if .Values.volume.containerSecurityContext.enabled }}
           securityContext: {{- omit .Values.volume.containerSecurityContext "enabled" | toYaml | nindent 12 }}
diff --git a/k8s/charts/seaweedfs/values.yaml b/k8s/charts/seaweedfs/values.yaml
index fc16bd537..e53fa5969 100644
--- a/k8s/charts/seaweedfs/values.yaml
+++ b/k8s/charts/seaweedfs/values.yaml
@@ -19,6 +19,7 @@ global:
       filerRead: false
   # we will use this serviceAccountName for all ClusterRoles/ClusterRoleBindings
   serviceAccountName: "seaweedfs"
+  automountServiceAccountToken: true
   certificates:
     alphacrds: false
   monitoring:
@@ -48,9 +49,6 @@ image:
 
 master:
   enabled: true
-  repository: null
-  imageName: null
-  imageTag: null
   imageOverride: null
   restartPolicy: null
   replicas: 1
@@ -140,7 +138,7 @@ master:
   # should map directly to the value of the resources field for a PodSpec,
   # formatted as a multi-line string. By default no direct resource request
   # is made.
-  resources: null
+  resources: {}
 
   # updatePartition is used to control a careful rolling update of SeaweedFS
   # masters.
@@ -256,9 +254,6 @@ master:
 
 volume:
   enabled: true
-  repository: null
-  imageName: null
-  imageTag: null
   imageOverride: null
   restartPolicy: null
   port: 8080
@@ -310,6 +305,11 @@ volume:
    #   size: "800Gi"
    #   maxVolumes: 0
 
+  # This will automatically create a job for patching Kubernetes resources if the dataDirs type is 'persistentVolumeClaim' and the size has changed.
+  resizeHook:
+    enabled: true
+    image: bitnami/kubectl
+
   # idx can be defined by:
   #
   # idx:
@@ -401,7 +401,7 @@ volume:
   # should map directly to the value of the resources field for a PodSpec,
   # formatted as a multi-line string. By default no direct resource request
   # is made.
-  resources: null
+  resources: {}
 
   # Toleration Settings for server pods
   # This should be a multi-line string matching the Toleration array
@@ -473,9 +473,6 @@ volume:
 
 filer:
   enabled: true
-  repository: null
-  imageName: null
-  imageTag: null
   imageOverride: null
   restartPolicy: null
   replicas: 1
@@ -593,7 +590,7 @@ filer:
   # should map directly to the value of the resources field for a PodSpec,
   # formatted as a multi-line string. By default no direct resource request
   # is made.
-  resources: null
+  resources: {}
 
   # Toleration Settings for server pods
   # This should be a multi-line string matching the Toleration array
@@ -740,9 +737,7 @@ filer:
 
 s3:
   enabled: false
-  repository: null
-  imageName: null
-  imageTag: null
+  imageOverride: null
   restartPolicy: null
   replicas: 1
   bindAddress: 0.0.0.0
@@ -789,7 +784,7 @@ s3:
   # should map directly to the value of the resources field for a PodSpec,
   # formatted as a multi-line string. By default no direct resource request
   # is made.
-  resources: null
+  resources: {}
 
   # Toleration Settings for server pods
   # This should be a multi-line string matching the Toleration array
@@ -877,10 +872,36 @@ s3:
     annotations: {}
     tls: []
 
+# Deploy Kubernetes COSI Driver for SeaweedFS
+# Requires COSI CRDs and controller to be installed in the cluster
+# For more information, visit: https://container-object-storage-interface.github.io/docs/deployment-guide
+cosi:
+  enabled: false
+  image: "ghcr.io/seaweedfs/seaweedfs-cosi-driver:v0.1.1"
+  driverName: "seaweedfs.objectstorage.k8s.io"
+  bucketClassName: "seaweedfs"
+  endpoint: ""
+  region: ""
+
+  sidecar:
+    image: gcr.io/k8s-staging-sig-storage/objectstorage-sidecar/objectstorage-sidecar:v20230130-v0.1.0-24-gc0cf995
+
+  # enable user & permission to s3 (need to inject to all services)
+  enableAuth: false
+  # set to the name of an existing kubernetes Secret with the s3 json config file
+  # should have a secret key called seaweedfs_s3_config with an inline json configure
+  existingConfigSecret: null
+
+  podSecurityContext: {}
+  containerSecurityContext: {}
+
+  extraVolumes: ""
+  extraVolumeMounts: ""
+
 certificates:
   commonName: "SeaweedFS CA"
   ipAddresses: []
-  keyAlgorithm: rsa
+  keyAlgorithm: RSA
   keySize: 2048
   duration: 2160h  # 90d
   renewBefore: 360h  # 15d
diff --git a/note/keepsec.png b/note/keepsec.png
new file mode 100644
index 000000000..14159dc7b
Binary files /dev/null and b/note/keepsec.png differ
diff --git a/note/piknik.png b/note/piknik.png
index e8cbc30e6..b4fbcb40b 100644
Binary files a/note/piknik.png and b/note/piknik.png differ
diff --git a/note/seaweedfs.svg b/note/seaweedfs.svg
new file mode 100644
index 000000000..61fce5681
--- /dev/null
+++ b/note/seaweedfs.svg
@@ -0,0 +1,317 @@
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+   inkscape:version="1.1.1 (c3084ef, 2021-09-22)"
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+       d="m -18.083426,76.040966 c -4.247807,-1.108215 -4.537747,-1.397325 -4.230145,-4.217915 0.181623,-1.665472 0.409655,-3.099138 0.506709,-3.185905 0.0971,-0.08674 2.940611,0.521971 6.319006,1.352763 5.484847,1.348791 6.5425432,1.343379 9.8785677,-0.05048 4.79101285,-2.001817 6.52158792,-5.506332 4.78700985,-9.693974 C -1.7761088,57.942715 -3.8964069,56.299262 -9.4602217,53.550118 -18.996374,48.838225 -21.301368,46.348019 -21.832387,40.183785 c -0.790996,-9.181852 5.336229,-14.474323 16.7572435,-14.474323 3.3631019,0 7.2536093,0.432993 8.6455598,0.96221 2.31769,0.88119 2.4355919,1.214494 1.40008,3.957881 -0.9881346,2.617874 -1.4350937,2.879935 -3.5442315,2.078035 -4.0789528,-1.550804 -10.9769627,-1.080232 -13.4435838,0.917116 -2.521096,2.041451 -3.004931,6.389191 -0.982238,8.826385 0.705948,0.850614 4.92981,3.443568 9.3863501,5.762119 7.0658353,3.676049 8.3503634,4.775172 10.0371176,8.588356 2.5311668,5.722129 1.6259205,10.86357 -2.6704994,15.167369 -5.0767876,5.085512 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+       id="path2354"
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+    <path
+       style="fill:url(#radialGradient19627);fill-opacity:1;stroke-width:1.01342"
+       d="m -75.969113,-64.844727 c -9.759799,-2.838682 -12.419771,-15.328145 -4.816086,-22.612951 8.10707,-7.767059 20.740989,-1.606264 20.740989,10.114118 0,8.688342 -7.848109,14.848009 -15.924903,12.498833 z"
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+       style="fill:url(#radialGradient21593);fill-opacity:1;stroke-width:1.01342"
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+       id="path1933-7"
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+       style="fill:url(#radialGradient21591);fill-opacity:1;stroke-width:1.01342"
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+       id="path1933-7-6"
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+       style="fill:url(#radialGradient21589);fill-opacity:1;stroke-width:1.01342"
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+       id="path1933-7-6-8"
+       sodipodi:nodetypes="ssssss" />
+    <path
+       id="path18907"
+       style="opacity:1;stroke-width:3.16694"
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+    <path
+       style="color:#000000;fill:#b3b3b3;stroke-width:3.16694;-inkscape-stroke:none"
+       d="m -123.15443,-148.31736 c -13.95653,0 -25.26744,11.31091 -25.26744,25.26745 v 386.05687 c 0,13.95652 11.31091,25.26742 25.26744,25.26742 h 386.47127 c 13.95653,0 25.26129,-11.31166 25.26129,-25.26742 v -386.05687 c 0,-13.95577 -11.30476,-25.26745 -25.26129,-25.26745 z m 0,4.75041 h 386.47127 c 11.40667,0 20.51088,9.1096 20.51088,20.51704 v 386.05687 c 0,11.40743 -9.10421,20.51702 -20.51088,20.51702 h -386.47127 c -11.40667,0 -20.51704,-9.11035 -20.51704,-20.51702 v -386.05687 c 0,-11.40667 9.11037,-20.51704 20.51704,-20.51704 z"
+       id="path28825" />
+    <path
+       id="path1004"
+       style="fill:#59686f"
+       d="m 216.21641,209.1283 a 4.4553308,3.9311745 0 0 1 -4.45533,3.93117 4.4553308,3.9311745 0 0 1 -4.45533,-3.93117 4.4553308,3.9311745 0 0 1 4.45533,-3.93118 4.4553308,3.9311745 0 0 1 4.45533,3.93118 z" />
+  </g>
+</svg>
diff --git a/other/java/client/src/main/proto/filer.proto b/other/java/client/src/main/proto/filer.proto
index b0829163c..7e948f0dc 100644
--- a/other/java/client/src/main/proto/filer.proto
+++ b/other/java/client/src/main/proto/filer.proto
@@ -54,6 +54,9 @@ service SeaweedFiler {
     rpc GetFilerConfiguration (GetFilerConfigurationRequest) returns (GetFilerConfigurationResponse) {
     }
 
+    rpc TraverseBfsMetadata (TraverseBfsMetadataRequest) returns (stream TraverseBfsMetadataResponse) {
+    }
+
     rpc SubscribeMetadata (SubscribeMetadataRequest) returns (stream SubscribeMetadataResponse) {
     }
 
@@ -218,6 +221,7 @@ message DeleteEntryRequest {
     bool ignore_recursive_error = 6;
     bool is_from_other_cluster = 7;
     repeated int32 signatures = 8;
+    int64 if_not_modified_after = 9;
 }
 
 message DeleteEntryResponse {
@@ -341,6 +345,8 @@ message GetFilerConfigurationResponse {
     string version = 11;
     string cluster_id = 12;
     string filer_group = 13;
+    int32 major_version = 14;
+    int32 minor_version = 15;
 }
 
 message SubscribeMetadataRequest {
@@ -360,6 +366,15 @@ message SubscribeMetadataResponse {
     int64 ts_ns = 3;
 }
 
+message TraverseBfsMetadataRequest {
+    string directory = 1;
+    repeated string excluded_prefixes = 2;
+}
+message TraverseBfsMetadataResponse {
+    string directory = 1;
+    Entry entry = 2;
+}
+
 message LogEntry {
     int64 ts_ns = 1;
     int32 partition_key_hash = 2;
diff --git a/unmaintained/change_superblock/change_superblock.go b/unmaintained/change_superblock/change_superblock.go
index 27876272c..52368f8cd 100644
--- a/unmaintained/change_superblock/change_superblock.go
+++ b/unmaintained/change_superblock/change_superblock.go
@@ -11,6 +11,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/storage/backend"
 	"github.com/seaweedfs/seaweedfs/weed/storage/needle"
 	"github.com/seaweedfs/seaweedfs/weed/storage/super_block"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -40,6 +41,8 @@ that has those volumes.
 */
 func main() {
 	flag.Parse()
+	util_http.NewGlobalHttpClient()
+	
 	fileName := strconv.Itoa(*fixVolumeId)
 	if *fixVolumeCollection != "" {
 		fileName = *fixVolumeCollection + "_" + fileName
diff --git a/unmaintained/diff_volume_servers/diff_volume_servers.go b/unmaintained/diff_volume_servers/diff_volume_servers.go
index 698d7dd3b..e289fefe8 100644
--- a/unmaintained/diff_volume_servers/diff_volume_servers.go
+++ b/unmaintained/diff_volume_servers/diff_volume_servers.go
@@ -20,6 +20,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/storage/types"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 	"google.golang.org/grpc"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -40,8 +41,9 @@ var (
 */
 func main() {
 	flag.Parse()
-
-	util.LoadConfiguration("security", false)
+	util_http.InitGlobalHttpClient()
+	
+	util.LoadSecurityConfiguration()
 	grpcDialOption = security.LoadClientTLS(util.GetViper(), "grpc.client")
 
 	vid := uint32(*volumeId)
diff --git a/unmaintained/fix_dat/fix_dat.go b/unmaintained/fix_dat/fix_dat.go
index 760fc79ca..164b5b238 100644
--- a/unmaintained/fix_dat/fix_dat.go
+++ b/unmaintained/fix_dat/fix_dat.go
@@ -14,6 +14,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/storage/super_block"
 	"github.com/seaweedfs/seaweedfs/weed/storage/types"
 	"github.com/seaweedfs/seaweedfs/weed/util"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -36,6 +37,8 @@ The .idx has all correct offsets.
 */
 func main() {
 	flag.Parse()
+	util_http.InitGlobalHttpClient()
+
 	fileName := strconv.Itoa(*fixVolumeId)
 	if *fixVolumeCollection != "" {
 		fileName = *fixVolumeCollection + "_" + fileName
diff --git a/unmaintained/load_test/load_test_meta_tail/load_test_meta_tail.go b/unmaintained/load_test/load_test_meta_tail/load_test_meta_tail.go
index eb08e5353..2b63d5d59 100644
--- a/unmaintained/load_test/load_test_meta_tail/load_test_meta_tail.go
+++ b/unmaintained/load_test/load_test_meta_tail/load_test_meta_tail.go
@@ -10,7 +10,9 @@ import (
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials/insecure"
 	"strconv"
+	"strings"
 	"time"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -22,8 +24,8 @@ var (
 )
 
 func main() {
-
 	flag.Parse()
+	util_http.InitGlobalHttpClient()
 
 	if *isWrite {
 		startGenerateMetadata()
@@ -79,12 +81,17 @@ func startGenerateMetadata() {
 
 func startSubscribeMetadata(eachEntryFunc func(event *filer_pb.SubscribeMetadataResponse) error) {
 
+	prefix := *dir
+	if !strings.HasSuffix(prefix, "/") {
+		prefix = prefix + "/"
+	}
+
 	metadataFollowOption := &pb.MetadataFollowOption{
 		ClientName:             "tail",
 		ClientId:               0,
 		ClientEpoch:            0,
 		SelfSignature:          0,
-		PathPrefix:             *dir,
+		PathPrefix:             prefix,
 		AdditionalPathPrefixes: nil,
 		DirectoriesToWatch:     nil,
 		StartTsNs:              0,
diff --git a/unmaintained/remove_duplicate_fids/remove_duplicate_fids.go b/unmaintained/remove_duplicate_fids/remove_duplicate_fids.go
index 354707c81..cfac97432 100644
--- a/unmaintained/remove_duplicate_fids/remove_duplicate_fids.go
+++ b/unmaintained/remove_duplicate_fids/remove_duplicate_fids.go
@@ -11,6 +11,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/storage/backend"
 	"github.com/seaweedfs/seaweedfs/weed/storage/needle"
 	"github.com/seaweedfs/seaweedfs/weed/storage/super_block"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -71,6 +72,7 @@ func (scanner *VolumeFileScanner4SeeDat) VisitNeedle(n *needle.Needle, offset in
 
 func main() {
 	flag.Parse()
+	util_http.InitGlobalHttpClient()
 
 	vid := needle.VolumeId(*volumeId)
 
diff --git a/unmaintained/repeated_vacuum/repeated_vacuum.go b/unmaintained/repeated_vacuum/repeated_vacuum.go
index 893f4a68a..1f89bd902 100644
--- a/unmaintained/repeated_vacuum/repeated_vacuum.go
+++ b/unmaintained/repeated_vacuum/repeated_vacuum.go
@@ -14,6 +14,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/operation"
 	"github.com/seaweedfs/seaweedfs/weed/security"
 	"github.com/seaweedfs/seaweedfs/weed/util"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -25,8 +26,9 @@ var (
 
 func main() {
 	flag.Parse()
+	util_http.InitGlobalHttpClient()
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 	grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
 
 	genFile(grpcDialOption, 0)
@@ -34,7 +36,7 @@ func main() {
 	go func() {
 		for {
 			println("vacuum threshold", *garbageThreshold)
-			_, _, err := util.Get(fmt.Sprintf("http://%s/vol/vacuum?garbageThreshold=%f", pb.ServerAddress(*master).ToHttpAddress(), *garbageThreshold))
+			_, _, err := util_http.Get(fmt.Sprintf("http://%s/vol/vacuum?garbageThreshold=%f", pb.ServerAddress(*master).ToHttpAddress(), *garbageThreshold))
 			if err != nil {
 				log.Fatalf("vacuum: %v", err)
 			}
@@ -47,7 +49,7 @@ func main() {
 
 		assignResult, targetUrl := genFile(grpcDialOption, i)
 
-		util.Delete(targetUrl, string(assignResult.Auth))
+		util_http.Delete(targetUrl, string(assignResult.Auth))
 
 	}
 
@@ -76,7 +78,13 @@ func genFile(grpcDialOption grpc.DialOption, i int) (*operation.AssignResult, st
 		PairMap:           nil,
 		Jwt:               assignResult.Auth,
 	}
-	_, err = operation.UploadData(data, uploadOption)
+
+	uploader, err := operation.NewUploader()
+	if err != nil {
+		log.Fatalf("upload: %v", err)
+	}
+
+	_, err = uploader.UploadData(data, uploadOption)
 	if err != nil {
 		log.Fatalf("upload: %v", err)
 	}
diff --git a/unmaintained/s3/presigned_put/presigned_put.go b/unmaintained/s3/presigned_put/presigned_put.go
index ba135ff25..1e591dff2 100644
--- a/unmaintained/s3/presigned_put/presigned_put.go
+++ b/unmaintained/s3/presigned_put/presigned_put.go
@@ -7,10 +7,10 @@ import (
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/aws/session"
 	"github.com/aws/aws-sdk-go/service/s3"
-	"github.com/seaweedfs/seaweedfs/weed/util"
 	"net/http"
 	"strings"
 	"time"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 // Downloads an item from an S3 Bucket in the region configured in the shared config
@@ -21,6 +21,8 @@ import (
 // For this exampl to work, the domainName is needd
 //     weed s3 -domainName=localhost
 func main() {
+	util_http.InitGlobalHttpClient()
+	
 	h := md5.New()
 	content := strings.NewReader(stringContent)
 	content.WriteTo(h)
@@ -64,7 +66,7 @@ func main() {
 		fmt.Printf("error put request: %v\n", err)
 		return
 	}
-	defer util.CloseResponse(resp)
+	defer util_http.CloseResponse(resp)
 	fmt.Printf("response: %+v\n", resp)
 }
 
diff --git a/unmaintained/see_dat/see_dat.go b/unmaintained/see_dat/see_dat.go
index 1b2f0bb6a..a60e45760 100644
--- a/unmaintained/see_dat/see_dat.go
+++ b/unmaintained/see_dat/see_dat.go
@@ -10,6 +10,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/storage"
 	"github.com/seaweedfs/seaweedfs/weed/storage/needle"
 	"github.com/seaweedfs/seaweedfs/weed/storage/super_block"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -40,6 +41,7 @@ func (scanner *VolumeFileScanner4SeeDat) VisitNeedle(n *needle.Needle, offset in
 
 func main() {
 	flag.Parse()
+	util_http.InitGlobalHttpClient()
 
 	vid := needle.VolumeId(*volumeId)
 
diff --git a/unmaintained/see_idx/see_idx.go b/unmaintained/see_idx/see_idx.go
index 856d96d54..87f00ebb0 100644
--- a/unmaintained/see_idx/see_idx.go
+++ b/unmaintained/see_idx/see_idx.go
@@ -12,6 +12,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/storage/idx"
 	"github.com/seaweedfs/seaweedfs/weed/storage/types"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -27,6 +28,8 @@ This is to see content in .idx files.
 */
 func main() {
 	flag.Parse()
+	util_http.InitGlobalHttpClient()
+
 	fileName := strconv.Itoa(*fixVolumeId)
 	if *fixVolumeCollection != "" {
 		fileName = *fixVolumeCollection + "_" + fileName
diff --git a/unmaintained/see_log_entry/see_log_entry.go b/unmaintained/see_log_entry/see_log_entry.go
index d5deff283..42a63476b 100644
--- a/unmaintained/see_log_entry/see_log_entry.go
+++ b/unmaintained/see_log_entry/see_log_entry.go
@@ -12,6 +12,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
 	"github.com/seaweedfs/seaweedfs/weed/util"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -20,6 +21,7 @@ var (
 
 func main() {
 	flag.Parse()
+	util_http.InitGlobalHttpClient()
 
 	dst, err := os.OpenFile(*logdataFile, os.O_RDONLY, 0644)
 	if err != nil {
diff --git a/unmaintained/see_meta/see_meta.go b/unmaintained/see_meta/see_meta.go
index 6fc88358c..da78f0918 100644
--- a/unmaintained/see_meta/see_meta.go
+++ b/unmaintained/see_meta/see_meta.go
@@ -11,6 +11,7 @@ import (
 
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
 	"github.com/seaweedfs/seaweedfs/weed/util"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -19,6 +20,7 @@ var (
 
 func main() {
 	flag.Parse()
+	util_http.InitGlobalHttpClient()
 
 	dst, err := os.OpenFile(*metaFile, os.O_RDONLY, 0644)
 	if err != nil {
diff --git a/unmaintained/stream_read_volume/stream_read_volume.go b/unmaintained/stream_read_volume/stream_read_volume.go
index cdbfa2c44..cfdb36815 100644
--- a/unmaintained/stream_read_volume/stream_read_volume.go
+++ b/unmaintained/stream_read_volume/stream_read_volume.go
@@ -13,6 +13,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/security"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 	"google.golang.org/grpc"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -23,8 +24,9 @@ var (
 
 func main() {
 	flag.Parse()
+	util_http.InitGlobalHttpClient()
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 	grpcDialOption = security.LoadClientTLS(util.GetViper(), "grpc.client")
 
 	vid := uint32(*volumeId)
diff --git a/unmaintained/stress_filer_upload/bench_filer_upload/bench_filer_upload.go b/unmaintained/stress_filer_upload/bench_filer_upload/bench_filer_upload.go
index 1767b04b2..6dc703dbc 100644
--- a/unmaintained/stress_filer_upload/bench_filer_upload/bench_filer_upload.go
+++ b/unmaintained/stress_filer_upload/bench_filer_upload/bench_filer_upload.go
@@ -13,6 +13,7 @@ import (
 	"strings"
 	"sync"
 	"time"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -30,8 +31,8 @@ type stat struct {
 }
 
 func main() {
-
 	flag.Parse()
+	util_http.InitGlobalHttpClient()
 
 	data := make([]byte, *size)
 	println("data len", len(data))
@@ -43,16 +44,12 @@ func main() {
 		go func(x int) {
 			defer wg.Done()
 
-			client := &http.Client{Transport: &http.Transport{
-				MaxIdleConns:        1024,
-				MaxIdleConnsPerHost: 1024,
-			}}
 			r := rand.New(rand.NewSource(time.Now().UnixNano() + int64(x)))
 
 			for t := 0; t < *times; t++ {
 				for f := 0; f < *fileCount; f++ {
 					fn := r.Intn(*fileCount)
-					if size, err := uploadFileToFiler(client, data, fmt.Sprintf("file%04d", fn), *destination); err == nil {
+					if size, err := uploadFileToFiler(data, fmt.Sprintf("file%04d", fn), *destination); err == nil {
 						statsChan <- stat{
 							size: size,
 						}
@@ -93,7 +90,7 @@ func main() {
 
 }
 
-func uploadFileToFiler(client *http.Client, data []byte, filename, destination string) (size int64, err error) {
+func uploadFileToFiler(data []byte, filename, destination string) (size int64, err error) {
 
 	if !strings.HasSuffix(destination, "/") {
 		destination = destination + "/"
@@ -115,11 +112,14 @@ func uploadFileToFiler(client *http.Client, data []byte, filename, destination s
 
 	uri := destination + filename
 
-	request, err := http.NewRequest("POST", uri, body)
+	request, err := http.NewRequest(http.MethodPost, uri, body)
+	if err != nil {
+		return 0, fmt.Errorf("http POST %s: %v", uri, err)
+	}
 	request.Header.Set("Content-Type", writer.FormDataContentType())
 	// request.Close = true  // can not use this, which do not reuse http connection, impacting filer->volume also.
 
-	resp, err := client.Do(request)
+	resp, err := util_http.GetGlobalHttpClient().Do(request)
 	if err != nil {
 		return 0, fmt.Errorf("http POST %s: %v", uri, err)
 	} else {
diff --git a/unmaintained/stress_filer_upload/stress_filer_upload_actual/stress_filer_upload.go b/unmaintained/stress_filer_upload/stress_filer_upload_actual/stress_filer_upload.go
index afcd51917..1cdcad0b3 100644
--- a/unmaintained/stress_filer_upload/stress_filer_upload_actual/stress_filer_upload.go
+++ b/unmaintained/stress_filer_upload/stress_filer_upload_actual/stress_filer_upload.go
@@ -14,6 +14,7 @@ import (
 	"strings"
 	"sync"
 	"time"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -30,8 +31,8 @@ type stat struct {
 }
 
 func main() {
-
 	flag.Parse()
+	util_http.InitGlobalHttpClient()
 
 	var fileNames []string
 
@@ -51,8 +52,6 @@ func main() {
 	for x := 0; x < *concurrency; x++ {
 		wg.Add(1)
 
-		client := &http.Client{}
-
 		go func() {
 			defer wg.Done()
 			rand.Shuffle(len(fileNames), func(i, j int) {
@@ -60,7 +59,7 @@ func main() {
 			})
 			for t := 0; t < *times; t++ {
 				for _, filename := range fileNames {
-					if size, err := uploadFileToFiler(client, filename, *destination); err == nil {
+					if size, err := uploadFileToFiler(filename, *destination); err == nil {
 						statsChan <- stat{
 							size: size,
 						}
@@ -99,7 +98,7 @@ func main() {
 
 }
 
-func uploadFileToFiler(client *http.Client, filename, destination string) (size int64, err error) {
+func uploadFileToFiler(filename, destination string) (size int64, err error) {
 	file, err := os.Open(filename)
 	if err != nil {
 		panic(err)
@@ -130,10 +129,14 @@ func uploadFileToFiler(client *http.Client, filename, destination string) (size
 
 	uri := destination + file.Name()
 
-	request, err := http.NewRequest("POST", uri, body)
+	request, err := http.NewRequest(http.MethodPost, uri, body)
+	if err != nil {
+		return 0, fmt.Errorf("http POST %s: %v", uri, err)
+	}
+
 	request.Header.Set("Content-Type", writer.FormDataContentType())
 
-	resp, err := client.Do(request)
+	resp, err := util_http.GetGlobalHttpClient().Do(request)
 	if err != nil {
 		return 0, fmt.Errorf("http POST %s: %v", uri, err)
 	} else {
diff --git a/unmaintained/volume_tailer/volume_tailer.go b/unmaintained/volume_tailer/volume_tailer.go
index 50ef1c74f..a75a095d4 100644
--- a/unmaintained/volume_tailer/volume_tailer.go
+++ b/unmaintained/volume_tailer/volume_tailer.go
@@ -12,6 +12,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/storage/needle"
 	util2 "github.com/seaweedfs/seaweedfs/weed/util"
 	"golang.org/x/tools/godoc/util"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -24,8 +25,9 @@ var (
 
 func main() {
 	flag.Parse()
+	util_http.InitGlobalHttpClient()
 
-	util2.LoadConfiguration("security", false)
+	util2.LoadSecurityConfiguration()
 	grpcDialOption := security.LoadClientTLS(util2.GetViper(), "grpc.client")
 
 	vid := needle.VolumeId(*volumeId)
diff --git a/weed/command/backup.go b/weed/command/backup.go
index a8be4838e..f9b9fba64 100644
--- a/weed/command/backup.go
+++ b/weed/command/backup.go
@@ -66,7 +66,7 @@ var cmdBackup = &Command{
 
 func runBackup(cmd *Command, args []string) bool {
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 	grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
 
 	if *s.volumeId == -1 {
@@ -138,7 +138,9 @@ func runBackup(cmd *Command, args []string) bool {
 
 	if datSize > stats.TailOffset {
 		// remove the old data
-		v.Destroy(false)
+		if err := v.Destroy(false); err != nil {
+			fmt.Printf("Error destroying volume: %v\n", err)
+		}
 		// recreate an empty volume
 		v, err = storage.NewVolume(util.ResolvePath(*s.dir), util.ResolvePath(*s.dir), *s.collection, vid, storage.NeedleMapInMemory, replication, ttl, 0, 0, 0)
 		if err != nil {
diff --git a/weed/command/benchmark.go b/weed/command/benchmark.go
index 2a0db47c2..bc7ee1292 100644
--- a/weed/command/benchmark.go
+++ b/weed/command/benchmark.go
@@ -22,6 +22,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/security"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 	"github.com/seaweedfs/seaweedfs/weed/wdclient"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 type BenchmarkOptions struct {
@@ -111,7 +112,7 @@ var (
 
 func runBenchmark(cmd *Command, args []string) bool {
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 	b.grpcDialOption = security.LoadClientTLS(util.GetViper(), "grpc.client")
 
 	fmt.Printf("This is SeaweedFS version %s %s %s\n", util.Version(), runtime.GOOS, runtime.GOARCH)
@@ -214,7 +215,7 @@ func writeFiles(idChan chan int, fileIdLineChan chan string, s *stat) {
 				if isSecure {
 					jwtAuthorization = operation.LookupJwt(b.masterClient.GetMaster(context.Background()), b.grpcDialOption, df.fp.Fid)
 				}
-				if e := util.Delete(fmt.Sprintf("http://%s/%s", df.fp.Server, df.fp.Fid), string(jwtAuthorization)); e == nil {
+				if e := util_http.Delete(fmt.Sprintf("http://%s/%s", df.fp.Server, df.fp.Fid), string(jwtAuthorization)); e == nil {
 					s.completed++
 				} else {
 					s.failed++
@@ -295,7 +296,7 @@ func readFiles(fileIdLineChan chan string, s *stat) {
 		}
 		var bytes []byte
 		for _, url := range urls {
-			bytes, _, err = util.Get(url)
+			bytes, _, err = util_http.Get(url)
 			if err == nil {
 				break
 			}
diff --git a/weed/command/download.go b/weed/command/download.go
index 060be9f14..1b7098824 100644
--- a/weed/command/download.go
+++ b/weed/command/download.go
@@ -15,6 +15,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/pb"
 	"github.com/seaweedfs/seaweedfs/weed/security"
 	"github.com/seaweedfs/seaweedfs/weed/util"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -47,7 +48,7 @@ var cmdDownload = &Command{
 }
 
 func runDownload(cmd *Command, args []string) bool {
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 	grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
 
 	for _, fid := range args {
@@ -63,11 +64,11 @@ func downloadToFile(masterFn operation.GetMasterFn, grpcDialOption grpc.DialOpti
 	if lookupError != nil {
 		return lookupError
 	}
-	filename, _, rc, err := util.DownloadFile(fileUrl, jwt)
+	filename, _, rc, err := util_http.DownloadFile(fileUrl, jwt)
 	if err != nil {
 		return err
 	}
-	defer util.CloseResponse(rc)
+	defer util_http.CloseResponse(rc)
 	if filename == "" {
 		filename = fileId
 	}
@@ -116,10 +117,10 @@ func fetchContent(masterFn operation.GetMasterFn, grpcDialOption grpc.DialOption
 		return "", nil, lookupError
 	}
 	var rc *http.Response
-	if filename, _, rc, e = util.DownloadFile(fileUrl, jwt); e != nil {
+	if filename, _, rc, e = util_http.DownloadFile(fileUrl, jwt); e != nil {
 		return "", nil, e
 	}
-	defer util.CloseResponse(rc)
+	defer util_http.CloseResponse(rc)
 	content, e = io.ReadAll(rc.Body)
 	return
 }
diff --git a/weed/command/filer.go b/weed/command/filer.go
index 877c4b5d5..b7f67ea3b 100644
--- a/weed/command/filer.go
+++ b/weed/command/filer.go
@@ -1,6 +1,9 @@
 package command
 
 import (
+	"context"
+	"crypto/tls"
+	"crypto/x509"
 	"fmt"
 	"net"
 	"net/http"
@@ -10,8 +13,6 @@ import (
 	"strings"
 	"time"
 
-	"google.golang.org/grpc/reflection"
-
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/pb"
@@ -20,6 +21,10 @@ import (
 	weed_server "github.com/seaweedfs/seaweedfs/weed/server"
 	stats_collect "github.com/seaweedfs/seaweedfs/weed/stats"
 	"github.com/seaweedfs/seaweedfs/weed/util"
+	"github.com/spf13/viper"
+	"google.golang.org/grpc/credentials/tls/certprovider"
+	"google.golang.org/grpc/credentials/tls/certprovider/pemfile"
+	"google.golang.org/grpc/reflection"
 )
 
 var (
@@ -52,6 +57,7 @@ type FilerOptions struct {
 	disableHttp             *bool
 	cipher                  *bool
 	metricsHttpPort         *int
+	metricsHttpIp           *string
 	saveToFilerLimit        *int
 	defaultLevelDbDirectory *string
 	concurrentUploadLimitMB *int
@@ -63,7 +69,7 @@ type FilerOptions struct {
 	diskType                *string
 	allowedOrigins          *string
 	exposeDirectoryData     *bool
-	joinExistingFiler       *bool
+	certProvider            certprovider.Provider
 }
 
 func init() {
@@ -85,6 +91,7 @@ func init() {
 	f.disableHttp = cmdFiler.Flag.Bool("disableHttp", false, "disable http request, only gRpc operations are allowed")
 	f.cipher = cmdFiler.Flag.Bool("encryptVolumeData", false, "encrypt data on volume servers")
 	f.metricsHttpPort = cmdFiler.Flag.Int("metricsPort", 0, "Prometheus metrics listen port")
+	f.metricsHttpIp = cmdFiler.Flag.String("metricsIp", "", "metrics listen ip. If empty, default to same as -ip.bind option.")
 	f.saveToFilerLimit = cmdFiler.Flag.Int("saveToFilerLimit", 0, "files smaller than this limit will be saved in filer store")
 	f.defaultLevelDbDirectory = cmdFiler.Flag.String("defaultStoreDir", ".", "if filer.toml is empty, use an embedded filer store in the directory")
 	f.concurrentUploadLimitMB = cmdFiler.Flag.Int("concurrentUploadLimitMB", 128, "limit total concurrent upload size")
@@ -96,7 +103,6 @@ func init() {
 	f.diskType = cmdFiler.Flag.String("disk", "", "[hdd|ssd|<tag>] hard drive or solid state drive or any tag")
 	f.allowedOrigins = cmdFiler.Flag.String("allowedOrigins", "*", "comma separated list of allowed origins")
 	f.exposeDirectoryData = cmdFiler.Flag.Bool("exposeDirectoryData", true, "whether to return directory metadata and content in Filer UI")
-	f.joinExistingFiler = cmdFiler.Flag.Bool("joinExistingFiler", false, "enable if new filer wants to join existing cluster")
 
 	// start s3 on filer
 	filerStartS3 = cmdFiler.Flag.Bool("s3", false, "whether to start S3 gateway")
@@ -124,6 +130,7 @@ func init() {
 	filerWebDavOptions.tlsCertificate = cmdFiler.Flag.String("webdav.cert.file", "", "path to the TLS certificate file")
 	filerWebDavOptions.cacheDir = cmdFiler.Flag.String("webdav.cacheDir", os.TempDir(), "local cache directory for file chunks")
 	filerWebDavOptions.cacheSizeMB = cmdFiler.Flag.Int64("webdav.cacheCapacityMB", 0, "local cache capacity in MB")
+	filerWebDavOptions.maxMB = cmdFiler.Flag.Int("webdav.maxMB", 4, "split files larger than the limit")
 	filerWebDavOptions.filerRootPath = cmdFiler.Flag.String("webdav.filer.path", "/", "use this remote path from filer server")
 
 	// start iam on filer
@@ -172,9 +179,17 @@ func runFiler(cmd *Command, args []string) bool {
 		go http.ListenAndServe(fmt.Sprintf(":%d", *f.debugPort), nil)
 	}
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 
-	go stats_collect.StartMetricsServer(*f.bindIp, *f.metricsHttpPort)
+	switch {
+	case *f.metricsHttpIp != "":
+		// noting to do, use f.metricsHttpIp
+	case *f.bindIp != "":
+		*f.metricsHttpIp = *f.bindIp
+	case *f.ip != "":
+		*f.metricsHttpIp = *f.ip
+	}
+	go stats_collect.StartMetricsServer(*f.metricsHttpIp, *f.metricsHttpPort)
 
 	filerAddress := pb.NewServerAddress(*f.ip, *f.port, *f.portGrpc).String()
 	startDelay := time.Duration(2)
@@ -222,6 +237,15 @@ func runFiler(cmd *Command, args []string) bool {
 	return true
 }
 
+// GetCertificateWithUpdate Auto refreshing TSL certificate
+func (fo *FilerOptions) GetCertificateWithUpdate(*tls.ClientHelloInfo) (*tls.Certificate, error) {
+	certs, err := fo.certProvider.KeyMaterial(context.Background())
+	if certs == nil {
+		return nil, err
+	}
+	return &certs.Certs[0], err
+}
+
 func (fo *FilerOptions) startFiler() {
 
 	defaultMux := http.NewServeMux()
@@ -264,7 +288,6 @@ func (fo *FilerOptions) startFiler() {
 		DownloadMaxBytesPs:    int64(*fo.downloadMaxMBps) * 1024 * 1024,
 		DiskType:              *fo.diskType,
 		AllowedOrigins:        strings.Split(*fo.allowedOrigins, ","),
-		JoinExistingFiler:     *fo.joinExistingFiler,
 	})
 	if nfs_err != nil {
 		glog.Fatalf("Filer startup error: %v", nfs_err)
@@ -332,15 +355,62 @@ func (fo *FilerOptions) startFiler() {
 			httpS.Serve(filerSocketListener)
 		}()
 	}
-	if filerLocalListener != nil {
-		go func() {
-			if err := httpS.Serve(filerLocalListener); err != nil {
-				glog.Errorf("Filer Fail to serve: %v", e)
+
+	if viper.GetString("https.filer.key") != "" {
+		certFile := viper.GetString("https.filer.cert")
+		keyFile := viper.GetString("https.filer.key")
+		caCertFile := viper.GetString("https.filer.ca")
+		disbaleTlsVerifyClientCert := viper.GetBool("https.filer.disable_tls_verify_client_cert")
+
+		pemfileOptions := pemfile.Options{
+			CertFile:        certFile,
+			KeyFile:         keyFile,
+			RefreshDuration: security.CredRefreshingInterval,
+		}
+		if fo.certProvider, err = pemfile.NewProvider(pemfileOptions); err != nil {
+			glog.Fatalf("pemfile.NewProvider(%v) failed: %v", pemfileOptions, err)
+		}
+
+		caCertPool := x509.NewCertPool()
+		if caCertFile != "" {
+			caCertFile, err := os.ReadFile(caCertFile)
+			if err != nil {
+				glog.Fatalf("error reading CA certificate: %v", err)
 			}
-		}()
-	}
-	if err := httpS.Serve(filerListener); err != nil {
-		glog.Fatalf("Filer Fail to serve: %v", e)
-	}
+			caCertPool.AppendCertsFromPEM(caCertFile)
+		}
+
+		clientAuth := tls.NoClientCert
+		if !disbaleTlsVerifyClientCert {
+			clientAuth = tls.RequireAndVerifyClientCert
+		}
+
+		httpS.TLSConfig = &tls.Config{
+			GetCertificate: fo.GetCertificateWithUpdate,
+			ClientAuth:     clientAuth,
+			ClientCAs:      caCertPool,
+		}
 
+		if filerLocalListener != nil {
+			go func() {
+				if err := httpS.ServeTLS(filerLocalListener, "", ""); err != nil {
+					glog.Errorf("Filer Fail to serve: %v", e)
+				}
+			}()
+		}
+		if err := httpS.ServeTLS(filerListener, "", ""); err != nil {
+			glog.Fatalf("Filer Fail to serve: %v", e)
+		}
+	} else {
+		if filerLocalListener != nil {
+			go func() {
+				if err := httpS.Serve(filerLocalListener); err != nil {
+					glog.Errorf("Filer Fail to serve: %v", e)
+				}
+			}()
+		}
+		if err := httpS.Serve(filerListener); err != nil {
+			glog.Fatalf("Filer Fail to serve: %v", e)
+		}
+	}
 }
diff --git a/weed/command/filer_backup.go b/weed/command/filer_backup.go
index 4aeab60f2..1344dfd2c 100644
--- a/weed/command/filer_backup.go
+++ b/weed/command/filer_backup.go
@@ -9,6 +9,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/util"
 	"google.golang.org/grpc"
 	"regexp"
+	"strings"
 	"time"
 )
 
@@ -58,7 +59,7 @@ var cmdFilerBackup = &Command{
 
 func runFilerBackup(cmd *Command, args []string) bool {
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 	util.LoadConfiguration("replication", true)
 
 	grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
@@ -148,17 +149,22 @@ func doFilerBackup(grpcDialOption grpc.DialOption, backupOption *FilerBackupOpti
 		}()
 	}
 
+	prefix := sourcePath
+	if !strings.HasSuffix(prefix, "/") {
+		prefix = prefix + "/"
+	}
+
 	metadataFollowOption := &pb.MetadataFollowOption{
 		ClientName:             "backup_" + dataSink.GetName(),
 		ClientId:               clientId,
 		ClientEpoch:            clientEpoch,
 		SelfSignature:          0,
-		PathPrefix:             sourcePath,
+		PathPrefix:             prefix,
 		AdditionalPathPrefixes: nil,
 		DirectoriesToWatch:     nil,
 		StartTsNs:              startFrom.UnixNano(),
 		StopTsNs:               0,
-		EventErrorType:         pb.TrivialOnError,
+		EventErrorType:         pb.RetryForeverOnError,
 	}
 
 	return pb.FollowMetadata(sourceFiler, grpcDialOption, metadataFollowOption, processEventFnWithOffset)
diff --git a/weed/command/filer_cat.go b/weed/command/filer_cat.go
index 2ef3bfc33..ba3625b0d 100644
--- a/weed/command/filer_cat.go
+++ b/weed/command/filer_cat.go
@@ -59,7 +59,7 @@ var cmdFilerCat = &Command{
 
 func runFilerCat(cmd *Command, args []string) bool {
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 
 	if len(args) == 0 {
 		return false
diff --git a/weed/command/filer_copy.go b/weed/command/filer_copy.go
index df5e002c5..0342aa585 100644
--- a/weed/command/filer_copy.go
+++ b/weed/command/filer_copy.go
@@ -83,7 +83,7 @@ var cmdFilerCopy = &Command{
 
 func runCopy(cmd *Command, args []string) bool {
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 
 	if len(args) <= 1 {
 		return false
@@ -344,7 +344,12 @@ func (worker *FileCopyWorker) uploadFileAsOne(task FileCopyTask, f *os.File) err
 			return err
 		}
 
-		finalFileId, uploadResult, flushErr, _ := operation.UploadWithRetry(
+		uploader, uploaderErr := operation.NewUploader()
+		if uploaderErr != nil {
+			return uploaderErr
+		}
+
+		finalFileId, uploadResult, flushErr, _ := uploader.UploadWithRetry(
 			worker,
 			&filer_pb.AssignVolumeRequest{
 				Count:       1,
@@ -423,7 +428,13 @@ func (worker *FileCopyWorker) uploadFileInChunks(task FileCopyTask, f *os.File,
 				<-concurrentChunks
 			}()
 
-			fileId, uploadResult, err, _ := operation.UploadWithRetry(
+			uploader, err := operation.NewUploader()
+			if err != nil {
+				uploadError = fmt.Errorf("upload data %v: %v\n", fileName, err)
+				return
+			}
+
+			fileId, uploadResult, err, _ := uploader.UploadWithRetry(
 				worker,
 				&filer_pb.AssignVolumeRequest{
 					Count:       1,
@@ -472,7 +483,7 @@ func (worker *FileCopyWorker) uploadFileInChunks(task FileCopyTask, f *os.File,
 		for _, chunk := range chunks {
 			fileIds = append(fileIds, chunk.FileId)
 		}
-		operation.DeleteFiles(func(_ context.Context) pb.ServerAddress {
+		operation.DeleteFileIds(func(_ context.Context) pb.ServerAddress {
 			return pb.ServerAddress(copy.masters[0])
 		}, false, worker.options.grpcDialOption, fileIds)
 		return uploadError
@@ -535,8 +546,12 @@ func detectMimeType(f *os.File) string {
 }
 
 func (worker *FileCopyWorker) saveDataAsChunk(reader io.Reader, name string, offset int64, tsNs int64) (chunk *filer_pb.FileChunk, err error) {
+	uploader, uploaderErr := operation.NewUploader()
+	if uploaderErr != nil {
+		return nil, fmt.Errorf("upload data: %v", uploaderErr)
+	}
 
-	finalFileId, uploadResult, flushErr, _ := operation.UploadWithRetry(
+	finalFileId, uploadResult, flushErr, _ := uploader.UploadWithRetry(
 		worker,
 		&filer_pb.AssignVolumeRequest{
 			Count:       1,
diff --git a/weed/command/filer_meta_backup.go b/weed/command/filer_meta_backup.go
index ff4a61e41..e8c4680ba 100644
--- a/weed/command/filer_meta_backup.go
+++ b/weed/command/filer_meta_backup.go
@@ -8,6 +8,7 @@ import (
 	"github.com/spf13/viper"
 	"google.golang.org/grpc"
 	"reflect"
+	"strings"
 	"time"
 
 	"github.com/seaweedfs/seaweedfs/weed/pb"
@@ -55,7 +56,7 @@ The backup writes to another filer store specified in a backup_filer.toml.
 
 func runFilerMetaBackup(cmd *Command, args []string) bool {
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 	metaBackup.grpcDialOption = security.LoadClientTLS(util.GetViper(), "grpc.client")
 
 	// load backup_filer.toml
@@ -63,9 +64,9 @@ func runFilerMetaBackup(cmd *Command, args []string) bool {
 	v.SetConfigFile(*metaBackup.backupFilerConfig)
 
 	if err := v.ReadInConfig(); err != nil { // Handle errors reading the config file
-		glog.Fatalf("Failed to load %s file.\nPlease use this command to generate the a %s.toml file\n"+
+		glog.Fatalf("Failed to load %s file: %v\nPlease use this command to generate the a %s.toml file\n"+
 			"    weed scaffold -config=%s -output=.\n\n\n",
-			*metaBackup.backupFilerConfig, "backup_filer", "filer")
+			*metaBackup.backupFilerConfig, err, "backup_filer", "filer")
 	}
 
 	if err := metaBackup.initStore(v); err != nil {
@@ -197,17 +198,21 @@ func (metaBackup *FilerMetaBackupOptions) streamMetadataBackup() error {
 
 	metaBackup.clientEpoch++
 
+	prefix := *metaBackup.filerDirectory
+	if !strings.HasSuffix(prefix, "/") {
+		prefix = prefix + "/"
+	}
 	metadataFollowOption := &pb.MetadataFollowOption{
 		ClientName:             "meta_backup",
 		ClientId:               metaBackup.clientId,
 		ClientEpoch:            metaBackup.clientEpoch,
 		SelfSignature:          0,
-		PathPrefix:             *metaBackup.filerDirectory,
+		PathPrefix:             prefix,
 		AdditionalPathPrefixes: nil,
 		DirectoriesToWatch:     nil,
 		StartTsNs:              startTime.UnixNano(),
 		StopTsNs:               0,
-		EventErrorType:         pb.TrivialOnError,
+		EventErrorType:         pb.RetryForeverOnError,
 	}
 
 	return pb.FollowMetadata(pb.ServerAddress(*metaBackup.filerAddress), metaBackup.grpcDialOption, metadataFollowOption, processEventFnWithOffset)
diff --git a/weed/command/filer_meta_tail.go b/weed/command/filer_meta_tail.go
index 32855072b..d7a169535 100644
--- a/weed/command/filer_meta_tail.go
+++ b/weed/command/filer_meta_tail.go
@@ -45,7 +45,7 @@ var (
 
 func runFilerMetaTail(cmd *Command, args []string) bool {
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 	grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
 	clientId := util.RandomInt32()
 
diff --git a/weed/command/filer_remote_gateway.go b/weed/command/filer_remote_gateway.go
index 61a5d26a2..78357cc04 100644
--- a/weed/command/filer_remote_gateway.go
+++ b/weed/command/filer_remote_gateway.go
@@ -78,7 +78,7 @@ var cmdFilerRemoteGateway = &Command{
 
 func runFilerRemoteGateway(cmd *Command, args []string) bool {
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 	grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
 	remoteGatewayOptions.grpcDialOption = grpcDialOption
 
diff --git a/weed/command/filer_remote_gateway_buckets.go b/weed/command/filer_remote_gateway_buckets.go
index 9bb59dabb..f6fe9a99c 100644
--- a/weed/command/filer_remote_gateway_buckets.go
+++ b/weed/command/filer_remote_gateway_buckets.go
@@ -55,12 +55,12 @@ func (option *RemoteGatewayOptions) followBucketUpdatesAndUploadToRemote(filerSo
 		ClientId:               option.clientId,
 		ClientEpoch:            option.clientEpoch,
 		SelfSignature:          0,
-		PathPrefix:             option.bucketsDir,
+		PathPrefix:             option.bucketsDir + "/",
 		AdditionalPathPrefixes: []string{filer.DirectoryEtcRemote},
 		DirectoriesToWatch:     nil,
 		StartTsNs:              lastOffsetTs.UnixNano(),
 		StopTsNs:               0,
-		EventErrorType:         pb.TrivialOnError,
+		EventErrorType:         pb.RetryForeverOnError,
 	}
 
 	return pb.FollowMetadata(pb.ServerAddress(*option.filerAddress), option.grpcDialOption, metadataFollowOption, processEventFnWithOffset)
diff --git a/weed/command/filer_remote_sync.go b/weed/command/filer_remote_sync.go
index 2d6133367..77dd95134 100644
--- a/weed/command/filer_remote_sync.go
+++ b/weed/command/filer_remote_sync.go
@@ -73,7 +73,7 @@ var cmdFilerRemoteSynchronize = &Command{
 
 func runFilerRemoteSynchronize(cmd *Command, args []string) bool {
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 	grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
 	remoteSyncOptions.grpcDialOption = grpcDialOption
 
diff --git a/weed/command/filer_remote_sync_dir.go b/weed/command/filer_remote_sync_dir.go
index 76f7e46d5..186523e45 100644
--- a/weed/command/filer_remote_sync_dir.go
+++ b/weed/command/filer_remote_sync_dir.go
@@ -64,17 +64,22 @@ func followUpdatesAndUploadToRemote(option *RemoteSyncOptions, filerSource *sour
 
 	option.clientEpoch++
 
+	prefix := mountedDir
+	if !strings.HasSuffix(prefix, "/") {
+		prefix = prefix + "/"
+	}
+
 	metadataFollowOption := &pb.MetadataFollowOption{
 		ClientName:             "filer.remote.sync",
 		ClientId:               option.clientId,
 		ClientEpoch:            option.clientEpoch,
 		SelfSignature:          0,
-		PathPrefix:             mountedDir,
+		PathPrefix:             prefix,
 		AdditionalPathPrefixes: []string{filer.DirectoryEtcRemote},
 		DirectoriesToWatch:     nil,
 		StartTsNs:              lastOffsetTs.UnixNano(),
 		StopTsNs:               0,
-		EventErrorType:         pb.TrivialOnError,
+		EventErrorType:         pb.RetryForeverOnError,
 	}
 
 	return pb.FollowMetadata(pb.ServerAddress(*option.filerAddress), option.grpcDialOption, metadataFollowOption, processEventFnWithOffset)
diff --git a/weed/command/filer_replication.go b/weed/command/filer_replication.go
index 4fca8158a..f53fdfb48 100644
--- a/weed/command/filer_replication.go
+++ b/weed/command/filer_replication.go
@@ -30,7 +30,7 @@ var cmdFilerReplicate = &Command{
 
 func runFilerReplicate(cmd *Command, args []string) bool {
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 	util.LoadConfiguration("replication", true)
 	util.LoadConfiguration("notification", true)
 	config := util.GetViper()
diff --git a/weed/command/filer_sync.go b/weed/command/filer_sync.go
index 9ad76e31b..90204af4a 100644
--- a/weed/command/filer_sync.go
+++ b/weed/command/filer_sync.go
@@ -118,7 +118,7 @@ var cmdFilerSynchronize = &Command{
 
 func runFilerSynchronize(cmd *Command, args []string) bool {
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 	grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
 
 	grace.SetupProfiling(*syncCpuProfile, *syncMemProfile)
@@ -296,12 +296,17 @@ func doSubscribeFilerMetaChanges(clientId int32, clientEpoch int32, grpcDialOpti
 		return setOffset(grpcDialOption, targetFiler, getSignaturePrefixByPath(sourcePath), sourceFilerSignature, offsetTsNs)
 	})
 
+	prefix := sourcePath
+	if !strings.HasSuffix(prefix, "/") {
+		prefix = prefix + "/"
+	}
+
 	metadataFollowOption := &pb.MetadataFollowOption{
 		ClientName:             clientName,
 		ClientId:               clientId,
 		ClientEpoch:            clientEpoch,
 		SelfSignature:          targetFilerSignature,
-		PathPrefix:             sourcePath,
+		PathPrefix:             prefix,
 		AdditionalPathPrefixes: nil,
 		DirectoriesToWatch:     nil,
 		StartTsNs:              sourceFilerOffsetTsNs,
@@ -469,14 +474,14 @@ func genProcessFunction(sourcePath string, targetPath string, excludePaths []str
 				}
 
 			} else {
-				// new key is outside of the watched directory
+				// new key is outside the watched directory
 				if doDeleteFiles {
 					key := buildKey(dataSink, message, targetPath, sourceOldKey, sourcePath)
 					return dataSink.DeleteEntry(key, message.OldEntry.IsDirectory, message.DeleteChunks, message.Signatures)
 				}
 			}
 		} else {
-			// old key is outside of the watched directory
+			// old key is outside the watched directory
 			if strings.HasPrefix(string(sourceNewKey), sourcePath) {
 				// new key is in the watched directory
 				key := buildKey(dataSink, message, targetPath, sourceNewKey, sourcePath)
@@ -486,7 +491,7 @@ func genProcessFunction(sourcePath string, targetPath string, excludePaths []str
 					return nil
 				}
 			} else {
-				// new key is also outside of the watched directory
+				// new key is also outside the watched directory
 				// skip
 			}
 		}
diff --git a/weed/command/iam.go b/weed/command/iam.go
index 95964994f..fa21803dd 100644
--- a/weed/command/iam.go
+++ b/weed/command/iam.go
@@ -47,7 +47,7 @@ func runIam(cmd *Command, args []string) bool {
 func (iamopt *IamOptions) startIamServer() bool {
 	filerAddress := pb.ServerAddress(*iamopt.filer)
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 	grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
 	for {
 		err := pb.WithGrpcFilerClient(false, 0, filerAddress, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
diff --git a/weed/command/master.go b/weed/command/master.go
index f80d8faeb..914853d88 100644
--- a/weed/command/master.go
+++ b/weed/command/master.go
@@ -53,6 +53,7 @@ type MasterOptions struct {
 	metricsIntervalSec *int
 	raftResumeState    *bool
 	metricsHttpPort    *int
+	metricsHttpIp      *string
 	heartbeatInterval  *time.Duration
 	electionTimeout    *time.Duration
 	raftHashicorp      *bool
@@ -77,6 +78,7 @@ func init() {
 	m.metricsAddress = cmdMaster.Flag.String("metrics.address", "", "Prometheus gateway address <host>:<port>")
 	m.metricsIntervalSec = cmdMaster.Flag.Int("metrics.intervalSeconds", 15, "Prometheus push interval in seconds")
 	m.metricsHttpPort = cmdMaster.Flag.Int("metricsPort", 0, "Prometheus metrics listen port")
+	m.metricsHttpIp = cmdMaster.Flag.String("metricsIp", "", "metrics listen ip. If empty, default to same as -ip.bind option.")
 	m.raftResumeState = cmdMaster.Flag.Bool("resumeState", false, "resume previous state on start master server")
 	m.heartbeatInterval = cmdMaster.Flag.Duration("heartbeatInterval", 300*time.Millisecond, "heartbeat interval of master servers, and will be randomly multiplied by [1, 1.25)")
 	m.electionTimeout = cmdMaster.Flag.Duration("electionTimeout", 10*time.Second, "election timeout of master servers")
@@ -103,7 +105,7 @@ var (
 
 func runMaster(cmd *Command, args []string) bool {
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 	util.LoadConfiguration("master", false)
 
 	grace.SetupProfiling(*masterCpuProfile, *masterMemProfile)
@@ -121,7 +123,15 @@ func runMaster(cmd *Command, args []string) bool {
 		glog.Fatalf("volumeSizeLimitMB should be smaller than 30000")
 	}
 
-	go stats_collect.StartMetricsServer(*m.ipBind, *m.metricsHttpPort)
+	switch {
+	case *m.metricsHttpIp != "":
+		// noting to do, use m.metricsHttpIp
+	case *m.ipBind != "":
+		*m.metricsHttpIp = *m.ipBind
+	case *m.ip != "":
+		*m.metricsHttpIp = *m.ip
+	}
+	go stats_collect.StartMetricsServer(*m.metricsHttpIp, *m.metricsHttpPort)
 	startMaster(m, masterWhiteList)
 
 	return true
@@ -180,10 +190,10 @@ func startMaster(masterOption MasterOptions, masterWhiteList []string) {
 		}
 	}
 	ms.SetRaftServer(raftServer)
-	r.HandleFunc("/cluster/status", raftServer.StatusHandler).Methods("GET")
-	r.HandleFunc("/cluster/healthz", raftServer.HealthzHandler).Methods("GET", "HEAD")
+	r.HandleFunc("/cluster/status", raftServer.StatusHandler).Methods(http.MethodGet)
+	r.HandleFunc("/cluster/healthz", raftServer.HealthzHandler).Methods(http.MethodGet, http.MethodHead)
 	if *masterOption.raftHashicorp {
-		r.HandleFunc("/raft/stats", raftServer.StatsRaftHandler).Methods("GET")
+		r.HandleFunc("/raft/stats", raftServer.StatsRaftHandler).Methods(http.MethodGet)
 	}
 	// starting grpc server
 	grpcPort := *masterOption.portGrpc
diff --git a/weed/command/master_follower.go b/weed/command/master_follower.go
index 7217aff0b..504ddb6c3 100644
--- a/weed/command/master_follower.go
+++ b/weed/command/master_follower.go
@@ -68,7 +68,7 @@ var cmdMasterFollower = &Command{
 
 func runMasterFollower(cmd *Command, args []string) bool {
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 	util.LoadConfiguration("master", false)
 
 	if *mf.portGrpc == 0 {
diff --git a/weed/command/mount_std.go b/weed/command/mount_std.go
index 742c38180..a5325b11e 100644
--- a/weed/command/mount_std.go
+++ b/weed/command/mount_std.go
@@ -66,7 +66,7 @@ func RunMount(option *MountOptions, umask os.FileMode) bool {
 
 	// try to connect to filer
 	filerAddresses := pb.ServerAddresses(*option.filer).ToAddresses()
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 	grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
 	var cipher bool
 	var err error
diff --git a/weed/command/mq_broker.go b/weed/command/mq_broker.go
index e093ebc56..5eb304204 100644
--- a/weed/command/mq_broker.go
+++ b/weed/command/mq_broker.go
@@ -54,7 +54,7 @@ var cmdMqBroker = &Command{
 
 func runMqBroker(cmd *Command, args []string) bool {
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 
 	mqBrokerStandaloneOptions.masters = pb.ServerAddresses(*mqBrokerStandaloneOptions.mastersString).ToAddressMap()
 
diff --git a/weed/command/s3.go b/weed/command/s3.go
index b7bb2a546..e568de91b 100644
--- a/weed/command/s3.go
+++ b/weed/command/s3.go
@@ -49,6 +49,7 @@ type S3Options struct {
 	tlsCACertificate          *string
 	tlsVerifyClientCert       *bool
 	metricsHttpPort           *int
+	metricsHttpIp             *string
 	allowEmptyFolder          *bool
 	allowDeleteBucketNotEmpty *bool
 	auditLogConfig            *string
@@ -75,6 +76,7 @@ func init() {
 	s3StandaloneOptions.tlsCACertificate = cmdS3.Flag.String("cacert.file", "", "path to the TLS CA certificate file")
 	s3StandaloneOptions.tlsVerifyClientCert = cmdS3.Flag.Bool("tlsVerifyClientCert", false, "whether to verify the client's certificate")
 	s3StandaloneOptions.metricsHttpPort = cmdS3.Flag.Int("metricsPort", 0, "Prometheus metrics listen port")
+	s3StandaloneOptions.metricsHttpIp = cmdS3.Flag.String("metricsIp", "", "metrics listen ip. If empty, default to same as -ip.bind option.")
 	s3StandaloneOptions.allowEmptyFolder = cmdS3.Flag.Bool("allowEmptyFolder", true, "allow empty folders")
 	s3StandaloneOptions.allowDeleteBucketNotEmpty = cmdS3.Flag.Bool("allowDeleteBucketNotEmpty", true, "allow recursive deleting all entries along with bucket")
 	s3StandaloneOptions.localFilerSocket = cmdS3.Flag.String("localFilerSocket", "", "local filer socket path")
@@ -163,17 +165,26 @@ var cmdS3 = &Command{
 
 func runS3(cmd *Command, args []string) bool {
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 
-	go stats_collect.StartMetricsServer(*s3StandaloneOptions.bindIp, *s3StandaloneOptions.metricsHttpPort)
+	switch {
+	case *s3StandaloneOptions.metricsHttpIp != "":
+		// noting to do, use s3StandaloneOptions.metricsHttpIp
+	case *s3StandaloneOptions.bindIp != "":
+		*s3StandaloneOptions.metricsHttpIp = *s3StandaloneOptions.bindIp
+	}
+	go stats_collect.StartMetricsServer(*s3StandaloneOptions.metricsHttpIp, *s3StandaloneOptions.metricsHttpPort)
 
 	return s3StandaloneOptions.startS3Server()
 
 }
 
 // GetCertificateWithUpdate Auto refreshing TSL certificate
-func (S3opt *S3Options) GetCertificateWithUpdate(*tls.ClientHelloInfo) (*tls.Certificate, error) {
-	certs, err := S3opt.certProvider.KeyMaterial(context.Background())
+func (s3opt *S3Options) GetCertificateWithUpdate(*tls.ClientHelloInfo) (*tls.Certificate, error) {
+	certs, err := s3opt.certProvider.KeyMaterial(context.Background())
+	if certs == nil {
+		return nil, err
+	}
 	return &certs.Certs[0], err
 }
 
@@ -320,6 +331,10 @@ func (s3opt *S3Options) startS3Server() bool {
 			ClientAuth:     clientAuth,
 			ClientCAs:      caCertPool,
 		}
+		err = security.FixTlsConfig(util.GetViper(), httpS.TLSConfig)
+		if err != nil {
+			glog.Fatalf("error with tls config: %v", err)
+		}
 		if *s3opt.portHttps == 0 {
 			glog.V(0).Infof("Start Seaweed S3 API Server %s at https port %d", util.Version(), *s3opt.port)
 			if s3ApiLocalListener != nil {
diff --git a/weed/command/scaffold/filer.toml b/weed/command/scaffold/filer.toml
index 574125207..728aecb53 100644
--- a/weed/command/scaffold/filer.toml
+++ b/weed/command/scaffold/filer.toml
@@ -285,7 +285,7 @@ password = ""
 ssl = false
 ssl_ca_file = ""
 ssl_cert_file = ""
-ssl_key_file = "
+ssl_key_file = ""
 insecure_skip_verify = false
 option_pool_size = 0
 database = "seaweedfs"
diff --git a/weed/command/scaffold/security.toml b/weed/command/scaffold/security.toml
index c5b2a563c..113e5b016 100644
--- a/weed/command/scaffold/security.toml
+++ b/weed/command/scaffold/security.toml
@@ -95,18 +95,29 @@ allowed_commonNames = ""    # comma-separated SSL certificate common names
 cert = ""
 key = ""
 
-# volume server https options
-# Note: work in progress!
-#     this does not work with other clients, e.g., "weed filer|mount" etc, yet.
+# https client for master|volume|filer|etc connection
+# It is necessary that the parameters  [https.volume]|[https.master]|[https.filer] are set
 [https.client]
 enabled = true
+cert = ""
+key = ""
+ca = ""
 
+# volume server https options
 [https.volume]
 cert = ""
 key = ""
 ca = ""
 
+# master server https options
 [https.master]
 cert = ""
 key = ""
 ca = ""
+
+# filer server https options
+[https.filer]
+cert = ""
+key = ""
+ca = ""
+# disable_tls_verify_client_cert = true|false (default: false)
diff --git a/weed/command/server.go b/weed/command/server.go
index 503927629..ddcaf1f7e 100644
--- a/weed/command/server.go
+++ b/weed/command/server.go
@@ -66,6 +66,7 @@ var (
 	volumeMinFreeSpacePercent = cmdServer.Flag.String("volume.minFreeSpacePercent", "1", "minimum free disk space (default to 1%). Low disk space will mark all volumes as ReadOnly (deprecated, use minFreeSpace instead).")
 	volumeMinFreeSpace        = cmdServer.Flag.String("volume.minFreeSpace", "", "min free disk space (value<=100 as percentage like 1, other as human readable bytes, like 10GiB). Low disk space will mark all volumes as ReadOnly.")
 	serverMetricsHttpPort     = cmdServer.Flag.Int("metricsPort", 0, "Prometheus metrics listen port")
+	serverMetricsHttpIp       = cmdServer.Flag.String("metricsIp", "", "metrics listen ip. If empty, default to same as -ip.bind option.")
 
 	// pulseSeconds              = cmdServer.Flag.Int("pulseSeconds", 5, "number of seconds between heartbeats")
 	isStartingMasterServer = cmdServer.Flag.Bool("master", true, "whether to start master server")
@@ -97,7 +98,7 @@ func init() {
 	masterOptions.metricsIntervalSec = cmdServer.Flag.Int("master.metrics.intervalSeconds", 15, "Prometheus push interval in seconds")
 	masterOptions.raftResumeState = cmdServer.Flag.Bool("master.resumeState", false, "resume previous state on start master server")
 	masterOptions.raftHashicorp = cmdServer.Flag.Bool("master.raftHashicorp", false, "use hashicorp raft")
-	masterOptions.raftBootstrap = cmdMaster.Flag.Bool("master.raftBootstrap", false, "Whether to bootstrap the Raft cluster")
+	masterOptions.raftBootstrap = cmdServer.Flag.Bool("master.raftBootstrap", false, "Whether to bootstrap the Raft cluster")
 	masterOptions.heartbeatInterval = cmdServer.Flag.Duration("master.heartbeatInterval", 300*time.Millisecond, "heartbeat interval of master servers, and will be randomly multiplied by [1, 1.25)")
 	masterOptions.electionTimeout = cmdServer.Flag.Duration("master.electionTimeout", 10*time.Second, "election timeout of master servers")
 
@@ -119,7 +120,6 @@ func init() {
 	filerOptions.downloadMaxMBps = cmdServer.Flag.Int("filer.downloadMaxMBps", 0, "download max speed for each download request, in MB per second")
 	filerOptions.diskType = cmdServer.Flag.String("filer.disk", "", "[hdd|ssd|<tag>] hard drive or solid state drive or any tag")
 	filerOptions.exposeDirectoryData = cmdServer.Flag.Bool("filer.exposeDirectoryData", true, "expose directory data via filer. If false, filer UI will be innaccessible.")
-	filerOptions.joinExistingFiler = cmdServer.Flag.Bool("filer.joinExistingFiler", false, "enable if new filer wants to join existing cluster")
 
 	serverOptions.v.port = cmdServer.Flag.Int("volume.port", 8080, "volume server http listen port")
 	serverOptions.v.portGrpc = cmdServer.Flag.Int("volume.port.grpc", 0, "volume server grpc listen port")
@@ -179,7 +179,7 @@ func runServer(cmd *Command, args []string) bool {
 		go http.ListenAndServe(fmt.Sprintf(":%d", *serverOptions.debugPort), nil)
 	}
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 	util.LoadConfiguration("master", false)
 
 	grace.SetupProfiling(*serverOptions.cpuprofile, *serverOptions.memprofile)
@@ -207,6 +207,10 @@ func runServer(cmd *Command, args []string) bool {
 		serverBindIp = serverIp
 	}
 
+	if *serverMetricsHttpIp == "" {
+		*serverMetricsHttpIp = *serverBindIp
+	}
+
 	// ip address
 	masterOptions.ip = serverIp
 	masterOptions.ipBind = serverBindIp
@@ -245,7 +249,7 @@ func runServer(cmd *Command, args []string) bool {
 	webdavOptions.filer = &filerAddress
 	mqBrokerOptions.filerGroup = filerOptions.filerGroup
 
-	go stats_collect.StartMetricsServer(*serverBindIp, *serverMetricsHttpPort)
+	go stats_collect.StartMetricsServer(*serverMetricsHttpIp, *serverMetricsHttpPort)
 
 	folders := strings.Split(*volumeDataFolders, ",")
 
diff --git a/weed/command/shell.go b/weed/command/shell.go
index f78ba89fc..1e921411b 100644
--- a/weed/command/shell.go
+++ b/weed/command/shell.go
@@ -35,7 +35,7 @@ var cmdShell = &Command{
 
 func runShell(command *Command, args []string) bool {
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 	shellOptions.GrpcDialOption = security.LoadClientTLS(util.GetViper(), "grpc.client")
 	shellOptions.Directory = "/"
 
diff --git a/weed/command/update.go b/weed/command/update.go
index 314a903f2..bf871d654 100644
--- a/weed/command/update.go
+++ b/weed/command/update.go
@@ -20,6 +20,7 @@ import (
 
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/util"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 	"golang.org/x/net/context/ctxhttp"
 )
 
@@ -198,7 +199,7 @@ func GitHubLatestRelease(ctx context.Context, ver string, owner, repo string) (R
 	if err != nil {
 		return Release{}, err
 	}
-	defer util.CloseResponse(res)
+	defer util_http.CloseResponse(res)
 
 	if res.StatusCode != http.StatusOK {
 		content := res.Header.Get("Content-Type")
@@ -258,7 +259,7 @@ func getGithubData(ctx context.Context, url string) ([]byte, error) {
 	if err != nil {
 		return nil, err
 	}
-	defer util.CloseResponse(res)
+	defer util_http.CloseResponse(res)
 
 	if res.StatusCode != http.StatusOK {
 		return nil, fmt.Errorf("unexpected status %v (%v) returned", res.StatusCode, res.Status)
@@ -308,7 +309,12 @@ func extractToFile(buf []byte, filename, target string) error {
 		trd := tar.NewReader(gr)
 		hdr, terr := trd.Next()
 		if terr != nil {
-			glog.Errorf("uncompress file(%s) failed:%s", hdr.Name, terr)
+			if hdr != nil {
+				glog.Errorf("uncompress file(%s) failed:%s", hdr.Name, terr)
+			} else {
+				glog.Errorf("uncompress file is nil, failed:%s", terr)
+			}
+
 			return terr
 		}
 		rd = trd
diff --git a/weed/command/upload.go b/weed/command/upload.go
index 3e6b8f9a2..7135a707a 100644
--- a/weed/command/upload.go
+++ b/weed/command/upload.go
@@ -69,7 +69,7 @@ var cmdUpload = &Command{
 
 func runUpload(cmd *Command, args []string) bool {
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 	grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
 
 	defaultReplication, err := readMasterConfiguration(grpcDialOption, pb.ServerAddress(*upload.master))
diff --git a/weed/command/volume.go b/weed/command/volume.go
index 852989d1f..1078d8d6c 100644
--- a/weed/command/volume.go
+++ b/weed/command/volume.go
@@ -65,6 +65,7 @@ type VolumeServerOptions struct {
 	pprof                     *bool
 	preStopSeconds            *int
 	metricsHttpPort           *int
+	metricsHttpIp             *string
 	// pulseSeconds          *int
 	inflightUploadDataTimeout *time.Duration
 	hasSlowRead               *bool
@@ -99,6 +100,7 @@ func init() {
 	v.concurrentDownloadLimitMB = cmdVolume.Flag.Int("concurrentDownloadLimitMB", 256, "limit total concurrent download size")
 	v.pprof = cmdVolume.Flag.Bool("pprof", false, "enable pprof http handlers. precludes --memprofile and --cpuprofile")
 	v.metricsHttpPort = cmdVolume.Flag.Int("metricsPort", 0, "Prometheus metrics listen port")
+	v.metricsHttpIp = cmdVolume.Flag.String("metricsIp", "", "metrics listen ip. If empty, default to same as -ip.bind option.")
 	v.idxFolder = cmdVolume.Flag.String("dir.idx", "", "directory to store .idx files")
 	v.inflightUploadDataTimeout = cmdVolume.Flag.Duration("inflightUploadDataTimeout", 60*time.Second, "inflight upload data wait timeout of volume servers")
 	v.hasSlowRead = cmdVolume.Flag.Bool("hasSlowRead", true, "<experimental> if true, this prevents slow reads from blocking other requests, but large file read P99 latency will increase.")
@@ -123,7 +125,7 @@ var (
 
 func runVolume(cmd *Command, args []string) bool {
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 
 	// If --pprof is set we assume the caller wants to be able to collect
 	// cpu and memory profiles via go tool pprof
@@ -131,7 +133,15 @@ func runVolume(cmd *Command, args []string) bool {
 		grace.SetupProfiling(*v.cpuProfile, *v.memProfile)
 	}
 
-	go stats_collect.StartMetricsServer(*v.bindIp, *v.metricsHttpPort)
+	switch {
+	case *v.metricsHttpIp != "":
+		// noting to do, use v.metricsHttpIp
+	case *v.bindIp != "":
+		*v.metricsHttpIp = *v.bindIp
+	case *v.ip != "":
+		*v.metricsHttpIp = *v.ip
+	}
+	go stats_collect.StartMetricsServer(*v.metricsHttpIp, *v.metricsHttpPort)
 
 	minFreeSpaces := util.MustParseMinFreeSpace(*minFreeSpace, *minFreeSpacePercent)
 	v.masters = pb.ServerAddresses(*v.mastersString).ToAddresses()
diff --git a/weed/command/webdav.go b/weed/command/webdav.go
index f0e738f4a..1d1a43eda 100644
--- a/weed/command/webdav.go
+++ b/weed/command/webdav.go
@@ -60,7 +60,7 @@ var cmdWebDav = &Command{
 
 func runWebDav(cmd *Command, args []string) bool {
 
-	util.LoadConfiguration("security", false)
+	util.LoadSecurityConfiguration()
 
 	glog.V(0).Infof("Starting Seaweed WebDav Server %s at https port %d", util.Version(), *webDavStandaloneOptions.port)
 
diff --git a/weed/filer/abstract_sql/abstract_sql_store.go b/weed/filer/abstract_sql/abstract_sql_store.go
index ee2afa30f..1d175651d 100644
--- a/weed/filer/abstract_sql/abstract_sql_store.go
+++ b/weed/filer/abstract_sql/abstract_sql_store.go
@@ -7,6 +7,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
+	"github.com/seaweedfs/seaweedfs/weed/s3api/s3bucket"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 	"strings"
 	"sync"
@@ -140,6 +141,8 @@ func (store *AbstractSqlStore) getTxOrDB(ctx context.Context, fullpath util.Full
 			}
 		}
 
+	} else {
+		err = fmt.Errorf("invalid bucket name %s", bucket)
 	}
 
 	return
@@ -340,6 +343,9 @@ func (store *AbstractSqlStore) Shutdown() {
 }
 
 func isValidBucket(bucket string) bool {
+	if s3bucket.VerifyS3BucketName(bucket) != nil {
+		return false
+	}
 	return bucket != DEFAULT_TABLE && bucket != ""
 }
 
diff --git a/weed/filer/filechunk_group.go b/weed/filer/filechunk_group.go
index c89527710..dbd08b42b 100644
--- a/weed/filer/filechunk_group.go
+++ b/weed/filer/filechunk_group.go
@@ -1,10 +1,11 @@
 package filer
 
 import (
+	"sync"
+
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
 	"github.com/seaweedfs/seaweedfs/weed/util/chunk_cache"
 	"github.com/seaweedfs/seaweedfs/weed/wdclient"
-	"sync"
 )
 
 type ChunkGroup struct {
@@ -54,9 +55,11 @@ func (group *ChunkGroup) ReadDataAt(fileSize int64, buff []byte, offset int64) (
 		section, found := group.sections[si]
 		rangeStart, rangeStop := max(offset, int64(si*SectionSize)), min(offset+int64(len(buff)), int64((si+1)*SectionSize))
 		if !found {
+			rangeStop = min(rangeStop, fileSize)
 			for i := rangeStart; i < rangeStop; i++ {
 				buff[i-offset] = 0
 			}
+			n = int(int64(n) + rangeStop - rangeStart)
 			continue
 		}
 		xn, xTsNs, xErr := section.readDataAt(group, fileSize, buff[rangeStart-offset:rangeStop-offset], rangeStart)
diff --git a/weed/filer/filechunk_manifest.go b/weed/filer/filechunk_manifest.go
index 7ea2f0353..e9ae1800c 100644
--- a/weed/filer/filechunk_manifest.go
+++ b/weed/filer/filechunk_manifest.go
@@ -15,6 +15,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
 	"github.com/seaweedfs/seaweedfs/weed/util"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 const (
@@ -120,7 +121,7 @@ func fetchChunkRange(buffer []byte, lookupFileIdFn wdclient.LookupFileIdFunction
 		glog.Errorf("operation LookupFileId %s failed, err: %v", fileId, err)
 		return 0, err
 	}
-	return util.RetriedFetchChunkData(buffer, urlStrings, cipherKey, isGzipped, false, offset)
+	return util_http.RetriedFetchChunkData(buffer, urlStrings, cipherKey, isGzipped, false, offset)
 }
 
 func retriedStreamFetchChunkData(writer io.Writer, urlStrings []string, jwt string, cipherKey []byte, isGzipped bool, isFullChunk bool, offset int64, size int) (err error) {
@@ -132,7 +133,7 @@ func retriedStreamFetchChunkData(writer io.Writer, urlStrings []string, jwt stri
 		for _, urlString := range urlStrings {
 			var localProcessed int
 			var writeErr error
-			shouldRetry, err = util.ReadUrlAsStreamAuthenticated(urlString+"?readDeleted=true", jwt, cipherKey, isGzipped, isFullChunk, offset, size, func(data []byte) {
+			shouldRetry, err = util_http.ReadUrlAsStreamAuthenticated(urlString+"?readDeleted=true", jwt, cipherKey, isGzipped, isFullChunk, offset, size, func(data []byte) {
 				if totalWritten > localProcessed {
 					toBeSkipped := totalWritten - localProcessed
 					if len(data) <= toBeSkipped {
diff --git a/weed/filer/filer.go b/weed/filer/filer.go
index 016bfc8fa..80be0b88e 100644
--- a/weed/filer/filer.go
+++ b/weed/filer/filer.go
@@ -78,7 +78,7 @@ func NewFiler(masters pb.ServerDiscovery, grpcDialOption grpc.DialOption, filerH
 	return f
 }
 
-func (f *Filer) MaybeBootstrapFromPeers(self pb.ServerAddress, existingNodes []*master_pb.ClusterNodeUpdate, snapshotTime time.Time) (err error) {
+func (f *Filer) MaybeBootstrapFromOnePeer(self pb.ServerAddress, existingNodes []*master_pb.ClusterNodeUpdate, snapshotTime time.Time) (err error) {
 	if len(existingNodes) == 0 {
 		return
 	}
@@ -91,25 +91,13 @@ func (f *Filer) MaybeBootstrapFromPeers(self pb.ServerAddress, existingNodes []*
 	}
 
 	glog.V(0).Infof("bootstrap from %v clientId:%d", earliestNode.Address, f.UniqueFilerId)
-	f.UniqueFilerEpoch++
-
-	metadataFollowOption := &pb.MetadataFollowOption{
-		ClientName:             "bootstrap",
-		ClientId:               f.UniqueFilerId,
-		ClientEpoch:            f.UniqueFilerEpoch,
-		SelfSignature:          f.Signature,
-		PathPrefix:             "/",
-		AdditionalPathPrefixes: nil,
-		DirectoriesToWatch:     nil,
-		StartTsNs:              0,
-		StopTsNs:               snapshotTime.UnixNano(),
-		EventErrorType:         pb.FatalOnError,
-	}
 
-	err = pb.FollowMetadata(pb.ServerAddress(earliestNode.Address), f.GrpcDialOption, metadataFollowOption, func(resp *filer_pb.SubscribeMetadataResponse) error {
-		return Replay(f.Store, resp)
+	return pb.WithFilerClient(false, f.UniqueFilerId, pb.ServerAddress(earliestNode.Address), f.GrpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
+		return filer_pb.StreamBfs(client, "/", snapshotTime.UnixNano(), func(parentPath util.FullPath, entry *filer_pb.Entry) error {
+			return f.Store.InsertEntry(context.Background(), FromPbEntry(string(parentPath), entry))
+		})
 	})
-	return
+
 }
 
 func (f *Filer) AggregateFromPeers(self pb.ServerAddress, existingNodes []*master_pb.ClusterNodeUpdate, startFrom time.Time) {
diff --git a/weed/filer/filer_conf.go b/weed/filer/filer_conf.go
index 25bf83771..69755a16a 100644
--- a/weed/filer/filer_conf.go
+++ b/weed/filer/filer_conf.go
@@ -102,7 +102,7 @@ func (fc *FilerConf) LoadFromBytes(data []byte) (err error) {
 
 func (fc *FilerConf) doLoadConf(conf *filer_pb.FilerConf) (err error) {
 	for _, location := range conf.Locations {
-		err = fc.AddLocationConf(location)
+		err = fc.SetLocationConf(location)
 		if err != nil {
 			// this is not recoverable
 			return nil
@@ -111,7 +111,24 @@ func (fc *FilerConf) doLoadConf(conf *filer_pb.FilerConf) (err error) {
 	return nil
 }
 
+func (fc *FilerConf) GetLocationConf(locationPrefix string)(locConf *filer_pb.FilerConf_PathConf, found bool) {
+	return fc.rules.Get([]byte(locationPrefix))
+}
+
+func (fc *FilerConf) SetLocationConf(locConf *filer_pb.FilerConf_PathConf) (err error) {
+	err = fc.rules.Put([]byte(locConf.LocationPrefix), locConf)
+	if err != nil {
+		glog.Errorf("put location prefix: %v", err)
+	}
+	return
+}
+
 func (fc *FilerConf) AddLocationConf(locConf *filer_pb.FilerConf_PathConf) (err error) {
+	existingConf, found := fc.rules.Get([]byte(locConf.LocationPrefix))
+	if found {
+		mergePathConf(existingConf, locConf)
+		locConf = existingConf
+	}
 	err = fc.rules.Put([]byte(locConf.LocationPrefix), locConf)
 	if err != nil {
 		glog.Errorf("put location prefix: %v", err)
@@ -170,6 +187,7 @@ func mergePathConf(a, b *filer_pb.FilerConf_PathConf) {
 	a.DataCenter = util.Nvl(b.DataCenter, a.DataCenter)
 	a.Rack = util.Nvl(b.Rack, a.Rack)
 	a.DataNode = util.Nvl(b.DataNode, a.DataNode)
+	a.DisableChunkDeletion = b.DisableChunkDeletion || a.DisableChunkDeletion
 }
 
 func (fc *FilerConf) ToProto() *filer_pb.FilerConf {
diff --git a/weed/filer/filer_delete_entry.go b/weed/filer/filer_delete_entry.go
index 64546940e..0ae421981 100644
--- a/weed/filer/filer_delete_entry.go
+++ b/weed/filer/filer_delete_entry.go
@@ -17,7 +17,7 @@ const (
 type OnChunksFunc func([]*filer_pb.FileChunk) error
 type OnHardLinkIdsFunc func([]HardLinkId) error
 
-func (f *Filer) DeleteEntryMetaAndData(ctx context.Context, p util.FullPath, isRecursive, ignoreRecursiveError, shouldDeleteChunks, isFromOtherCluster bool, signatures []int32) (err error) {
+func (f *Filer) DeleteEntryMetaAndData(ctx context.Context, p util.FullPath, isRecursive, ignoreRecursiveError, shouldDeleteChunks, isFromOtherCluster bool, signatures []int32, ifNotModifiedAfter int64) (err error) {
 	if p == "/" {
 		return nil
 	}
@@ -26,6 +26,9 @@ func (f *Filer) DeleteEntryMetaAndData(ctx context.Context, p util.FullPath, isR
 	if findErr != nil {
 		return findErr
 	}
+	if ifNotModifiedAfter > 0 && entry.Attr.Mtime.Unix() > ifNotModifiedAfter {
+		return nil
+	}
 	isDeleteCollection := f.isBucket(entry)
 	if entry.IsDirectory() {
 		// delete the folder children, not including the folder itself
@@ -50,12 +53,12 @@ func (f *Filer) DeleteEntryMetaAndData(ctx context.Context, p util.FullPath, isR
 	}
 
 	if shouldDeleteChunks && !isDeleteCollection {
-		f.DirectDeleteChunks(entry.GetChunks())
+		f.DeleteChunks(p, entry.GetChunks())
 	}
 
 	if isDeleteCollection {
 		collectionName := entry.Name()
-		f.doDeleteCollection(collectionName)
+		f.DoDeleteCollection(collectionName)
 	}
 
 	return nil
@@ -133,7 +136,7 @@ func (f *Filer) doDeleteEntryMetaAndData(ctx context.Context, entry *Entry, shou
 	return nil
 }
 
-func (f *Filer) doDeleteCollection(collectionName string) (err error) {
+func (f *Filer) DoDeleteCollection(collectionName string) (err error) {
 
 	return f.MasterClient.WithClient(false, func(client master_pb.SeaweedClient) error {
 		_, err := client.CollectionDelete(context.Background(), &master_pb.CollectionDeleteRequest{
diff --git a/weed/filer/filer_deletion.go b/weed/filer/filer_deletion.go
index 84c5ed4c0..362c7c51b 100644
--- a/weed/filer/filer_deletion.go
+++ b/weed/filer/filer_deletion.go
@@ -1,11 +1,12 @@
 package filer
 
 import (
-	"github.com/seaweedfs/seaweedfs/weed/storage"
-	"github.com/seaweedfs/seaweedfs/weed/util"
 	"strings"
 	"time"
 
+	"github.com/seaweedfs/seaweedfs/weed/storage"
+	"github.com/seaweedfs/seaweedfs/weed/util"
+
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/operation"
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
@@ -22,6 +23,7 @@ func LookupByMasterClientFn(masterClient *wdclient.MasterClient) func(vids []str
 				locations = append(locations, operation.Location{
 					Url:       loc.Url,
 					PublicUrl: loc.PublicUrl,
+					GrpcPort:  loc.GrpcPort,
 				})
 			}
 			m[vid] = &operation.LookupResult{
@@ -53,7 +55,7 @@ func (f *Filer) loopProcessingDeletion() {
 					fileIds = fileIds[:0]
 				}
 				deletionCount = len(toDeleteFileIds)
-				_, err := operation.DeleteFilesWithLookupVolumeId(f.GrpcDialOption, toDeleteFileIds, lookupFunc)
+				_, err := operation.DeleteFileIdsWithLookupVolumeId(f.GrpcDialOption, toDeleteFileIds, lookupFunc)
 				if err != nil {
 					if !strings.Contains(err.Error(), storage.ErrorDeleted.Error()) {
 						glog.V(0).Infof("deleting fileIds len=%d error: %v", deletionCount, err)
@@ -70,50 +72,6 @@ func (f *Filer) loopProcessingDeletion() {
 	}
 }
 
-func (f *Filer) doDeleteFileIds(fileIds []string) {
-
-	lookupFunc := LookupByMasterClientFn(f.MasterClient)
-	DeletionBatchSize := 100000 // roughly 20 bytes cost per file id.
-
-	for len(fileIds) > 0 {
-		var toDeleteFileIds []string
-		if len(fileIds) > DeletionBatchSize {
-			toDeleteFileIds = fileIds[:DeletionBatchSize]
-			fileIds = fileIds[DeletionBatchSize:]
-		} else {
-			toDeleteFileIds = fileIds
-			fileIds = fileIds[:0]
-		}
-		deletionCount := len(toDeleteFileIds)
-		_, err := operation.DeleteFilesWithLookupVolumeId(f.GrpcDialOption, toDeleteFileIds, lookupFunc)
-		if err != nil {
-			if !strings.Contains(err.Error(), storage.ErrorDeleted.Error()) {
-				glog.V(0).Infof("deleting fileIds len=%d error: %v", deletionCount, err)
-			}
-		}
-	}
-}
-
-func (f *Filer) DirectDeleteChunks(chunks []*filer_pb.FileChunk) {
-	var fileIdsToDelete []string
-	for _, chunk := range chunks {
-		if !chunk.IsChunkManifest {
-			fileIdsToDelete = append(fileIdsToDelete, chunk.GetFileIdString())
-			continue
-		}
-		dataChunks, manifestResolveErr := ResolveOneChunkManifest(f.MasterClient.LookupFileId, chunk)
-		if manifestResolveErr != nil {
-			glog.V(0).Infof("failed to resolve manifest %s: %v", chunk.FileId, manifestResolveErr)
-		}
-		for _, dChunk := range dataChunks {
-			fileIdsToDelete = append(fileIdsToDelete, dChunk.GetFileIdString())
-		}
-		fileIdsToDelete = append(fileIdsToDelete, chunk.GetFileIdString())
-	}
-
-	f.doDeleteFileIds(fileIdsToDelete)
-}
-
 func (f *Filer) DeleteUncommittedChunks(chunks []*filer_pb.FileChunk) {
 	f.doDeleteChunks(chunks)
 }
diff --git a/weed/filer/filer_notify.go b/weed/filer/filer_notify.go
index db953d398..621d4c227 100644
--- a/weed/filer/filer_notify.go
+++ b/weed/filer/filer_notify.go
@@ -5,7 +5,6 @@ import (
 	"fmt"
 	"github.com/seaweedfs/seaweedfs/weed/util/log_buffer"
 	"io"
-	"math"
 	"regexp"
 	"strings"
 	"time"
@@ -116,101 +115,34 @@ var (
 
 func (f *Filer) ReadPersistedLogBuffer(startPosition log_buffer.MessagePosition, stopTsNs int64, eachLogEntryFn log_buffer.EachLogEntryFuncType) (lastTsNs int64, isDone bool, err error) {
 
-	startDate := fmt.Sprintf("%04d-%02d-%02d", startPosition.Year(), startPosition.Month(), startPosition.Day())
-	startHourMinute := fmt.Sprintf("%02d-%02d", startPosition.Hour(), startPosition.Minute())
-	var stopDate, stopHourMinute string
-	if stopTsNs != 0 {
-		stopTime := time.Unix(0, stopTsNs+24*60*60*int64(time.Nanosecond)).UTC()
-		stopDate = fmt.Sprintf("%04d-%02d-%02d", stopTime.Year(), stopTime.Month(), stopTime.Day())
-		stopHourMinute = fmt.Sprintf("%02d-%02d", stopTime.Hour(), stopTime.Minute())
-	}
-
-	sizeBuf := make([]byte, 4)
-	startTsNs := startPosition.UnixNano()
-
-	dayEntries, _, listDayErr := f.ListDirectoryEntries(context.Background(), SystemLogDir, startDate, true, math.MaxInt32, "", "", "")
-	if listDayErr != nil {
-		return lastTsNs, isDone, fmt.Errorf("fail to list log by day: %v", listDayErr)
+	visitor, visitErr := f.collectPersistedLogBuffer(startPosition, stopTsNs)
+	if visitErr != nil {
+		if visitErr == io.EOF {
+			return
+		}
+		err = fmt.Errorf("reading from persisted logs: %v", visitErr)
+		return
 	}
-	for _, dayEntry := range dayEntries {
-		if stopDate != "" {
-			if strings.Compare(dayEntry.Name(), stopDate) > 0 {
+	var logEntry  *filer_pb.LogEntry
+	for {
+		logEntry, visitErr = visitor.GetNext()
+		if visitErr != nil {
+			if visitErr == io.EOF {
 				break
 			}
+			err = fmt.Errorf("read next from persisted logs: %v", visitErr)
+			return
 		}
-		// println("checking day", dayEntry.FullPath)
-		hourMinuteEntries, _, listHourMinuteErr := f.ListDirectoryEntries(context.Background(), util.NewFullPath(SystemLogDir, dayEntry.Name()), "", false, math.MaxInt32, "", "", "")
-		if listHourMinuteErr != nil {
-			return lastTsNs, isDone, fmt.Errorf("fail to list log %s by day: %v", dayEntry.Name(), listHourMinuteErr)
+		isDone, visitErr = eachLogEntryFn(logEntry)
+		if visitErr != nil {
+			err = fmt.Errorf("process persisted log entry: %v", visitErr)
+			return
 		}
-		for _, hourMinuteEntry := range hourMinuteEntries {
-			// println("checking hh-mm", hourMinuteEntry.FullPath)
-			if dayEntry.Name() == startDate {
-				hourMinute := util.FileNameBase(hourMinuteEntry.Name())
-				if strings.Compare(hourMinute, startHourMinute) < 0 {
-					continue
-				}
-			}
-			if dayEntry.Name() == stopDate {
-				hourMinute := util.FileNameBase(hourMinuteEntry.Name())
-				if strings.Compare(hourMinute, stopHourMinute) > 0 {
-					break
-				}
-			}
-			// println("processing", hourMinuteEntry.FullPath)
-			chunkedFileReader := NewChunkStreamReaderFromFiler(f.MasterClient, hourMinuteEntry.GetChunks())
-			if lastTsNs, err = ReadEachLogEntry(chunkedFileReader, sizeBuf, startTsNs, stopTsNs, eachLogEntryFn); err != nil {
-				chunkedFileReader.Close()
-				if err == io.EOF {
-					continue
-				}
-				if VolumeNotFoundPattern.MatchString(err.Error()) {
-					glog.Warningf("skipping reading %s: %v", hourMinuteEntry.FullPath, err)
-					continue
-				}
-				return lastTsNs, isDone, fmt.Errorf("reading %s: %v", hourMinuteEntry.FullPath, err)
-			}
-			chunkedFileReader.Close()
+		lastTsNs = logEntry.TsNs
+		if isDone {
+			return
 		}
 	}
 
-	return lastTsNs, isDone, nil
-}
-
-func ReadEachLogEntry(r io.Reader, sizeBuf []byte, startTsNs, stopTsNs int64, eachLogEntryFn log_buffer.EachLogEntryFuncType) (lastTsNs int64, err error) {
-	for {
-		n, err := r.Read(sizeBuf)
-		if err != nil {
-			return lastTsNs, err
-		}
-		if n != 4 {
-			return lastTsNs, fmt.Errorf("size %d bytes, expected 4 bytes", n)
-		}
-		size := util.BytesToUint32(sizeBuf)
-		// println("entry size", size)
-		entryData := make([]byte, size)
-		n, err = r.Read(entryData)
-		if err != nil {
-			return lastTsNs, err
-		}
-		if n != int(size) {
-			return lastTsNs, fmt.Errorf("entry data %d bytes, expected %d bytes", n, size)
-		}
-		logEntry := &filer_pb.LogEntry{}
-		if err = proto.Unmarshal(entryData, logEntry); err != nil {
-			return lastTsNs, err
-		}
-		if logEntry.TsNs <= startTsNs {
-			continue
-		}
-		if stopTsNs != 0 && logEntry.TsNs > stopTsNs {
-			return lastTsNs, err
-		}
-		// println("each log: ", logEntry.TsNs)
-		if _, err := eachLogEntryFn(logEntry); err != nil {
-			return lastTsNs, err
-		} else {
-			lastTsNs = logEntry.TsNs
-		}
-	}
+	return
 }
diff --git a/weed/filer/filer_notify_append.go b/weed/filer/filer_notify_append.go
index 66ce24871..3c9a3496c 100644
--- a/weed/filer/filer_notify_append.go
+++ b/weed/filer/filer_notify_append.go
@@ -77,7 +77,13 @@ func (f *Filer) assignAndUpload(targetFile string, data []byte) (*operation.Assi
 		PairMap:           nil,
 		Jwt:               assignResult.Auth,
 	}
-	uploadResult, err := operation.UploadData(data, uploadOption)
+
+	uploader, err := operation.NewUploader()
+	if err != nil {
+		return nil, nil, fmt.Errorf("upload data %s: %v", targetUrl, err)
+	}
+
+	uploadResult, err := uploader.UploadData(data, uploadOption)
 	if err != nil {
 		return nil, nil, fmt.Errorf("upload data %s: %v", targetUrl, err)
 	}
diff --git a/weed/filer/filer_notify_read.go b/weed/filer/filer_notify_read.go
new file mode 100644
index 000000000..115a925e9
--- /dev/null
+++ b/weed/filer/filer_notify_read.go
@@ -0,0 +1,352 @@
+package filer
+
+import (
+	"container/heap"
+	"context"
+	"fmt"
+	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
+	"github.com/seaweedfs/seaweedfs/weed/util/log_buffer"
+	"github.com/seaweedfs/seaweedfs/weed/wdclient"
+	"google.golang.org/protobuf/proto"
+	"io"
+	"math"
+	"strings"
+	"time"
+
+	"github.com/seaweedfs/seaweedfs/weed/glog"
+	"github.com/seaweedfs/seaweedfs/weed/util"
+)
+
+type LogFileEntry struct {
+	TsNs      int64
+	FileEntry *Entry
+}
+
+func (f *Filer) collectPersistedLogBuffer(startPosition log_buffer.MessagePosition, stopTsNs int64) (v *OrderedLogVisitor, err error) {
+
+	if stopTsNs != 0 && startPosition.Time.UnixNano() > stopTsNs {
+		return nil, io.EOF
+	}
+
+	startDate := fmt.Sprintf("%04d-%02d-%02d", startPosition.Year(), startPosition.Month(), startPosition.Day())
+
+	dayEntries, _, listDayErr := f.ListDirectoryEntries(context.Background(), SystemLogDir, startDate, true, math.MaxInt32, "", "", "")
+	if listDayErr != nil {
+		return nil, fmt.Errorf("fail to list log by day: %v", listDayErr)
+	}
+
+	return NewOrderedLogVisitor(f, startPosition, stopTsNs, dayEntries)
+
+}
+
+// ----------
+type LogEntryItem struct {
+	Entry *filer_pb.LogEntry
+	filer string
+}
+
+// LogEntryItemPriorityQueue a priority queue for LogEntry
+type LogEntryItemPriorityQueue []*LogEntryItem
+
+func (pq LogEntryItemPriorityQueue) Len() int { return len(pq) }
+func (pq LogEntryItemPriorityQueue) Less(i, j int) bool {
+	return pq[i].Entry.TsNs < pq[j].Entry.TsNs
+}
+func (pq LogEntryItemPriorityQueue) Swap(i, j int) { pq[i], pq[j] = pq[j], pq[i] }
+func (pq *LogEntryItemPriorityQueue) Push(x any) {
+	item := x.(*LogEntryItem)
+	*pq = append(*pq, item)
+}
+func (pq *LogEntryItemPriorityQueue) Pop() any {
+	n := len(*pq)
+	item := (*pq)[n-1]
+	*pq = (*pq)[:n-1]
+	return item
+}
+
+// ----------
+
+type OrderedLogVisitor struct {
+	perFilerIteratorMap   map[string]*LogFileQueueIterator
+	pq                    *LogEntryItemPriorityQueue
+	logFileEntryCollector *LogFileEntryCollector
+}
+
+func NewOrderedLogVisitor(f *Filer, startPosition log_buffer.MessagePosition, stopTsNs int64, dayEntries []*Entry) (*OrderedLogVisitor, error) {
+
+	perFilerQueueMap := make(map[string]*LogFileQueueIterator)
+	// initialize the priority queue
+	pq := &LogEntryItemPriorityQueue{}
+	heap.Init(pq)
+
+	t := &OrderedLogVisitor{
+		perFilerIteratorMap:   perFilerQueueMap,
+		pq:                    pq,
+		logFileEntryCollector: NewLogFileEntryCollector(f, startPosition, stopTsNs, dayEntries),
+	}
+	if err := t.logFileEntryCollector.collectMore(t); err != nil && err != io.EOF {
+		return nil, err
+	}
+	return t, nil
+}
+
+func (o *OrderedLogVisitor) GetNext() (logEntry *filer_pb.LogEntry, err error) {
+	if o.pq.Len() == 0 {
+		return nil, io.EOF
+	}
+	item := heap.Pop(o.pq).(*LogEntryItem)
+	filerId := item.filer
+
+	// fill the pq with the next log entry from the same filer
+	it := o.perFilerIteratorMap[filerId]
+	next, nextErr := it.getNext(o)
+	if nextErr != nil {
+		if nextErr == io.EOF {
+			// do nothing since the filer has no more log entries
+		}else {
+			return nil, fmt.Errorf("failed to get next log entry: %v", nextErr)
+		}
+	} else {
+		heap.Push(o.pq, &LogEntryItem{
+			Entry: next,
+			filer: filerId,
+		})
+	}
+	return item.Entry, nil
+}
+
+func getFilerId(name string) string {
+	idx := strings.LastIndex(name, ".")
+	if idx < 0 {
+		return ""
+	}
+	return name[idx+1:]
+}
+
+// ----------
+
+type LogFileEntryCollector struct {
+	f               *Filer
+	startTsNs       int64
+	stopTsNs        int64
+	dayEntryQueue   *util.Queue[*Entry]
+	startDate       string
+	startHourMinute string
+	stopDate        string
+	stopHourMinute  string
+}
+
+func NewLogFileEntryCollector(f *Filer, startPosition log_buffer.MessagePosition, stopTsNs int64, dayEntries []*Entry) *LogFileEntryCollector {
+	dayEntryQueue := util.NewQueue[*Entry]()
+	for _, dayEntry := range dayEntries {
+		dayEntryQueue.Enqueue(dayEntry)
+		// println("enqueue day entry", dayEntry.Name())
+	}
+
+	startDate := fmt.Sprintf("%04d-%02d-%02d", startPosition.Year(), startPosition.Month(), startPosition.Day())
+	startHourMinute := fmt.Sprintf("%02d-%02d", startPosition.Hour(), startPosition.Minute())
+	var stopDate, stopHourMinute string
+	if stopTsNs != 0 {
+		stopTime := time.Unix(0, stopTsNs+24*60*60*int64(time.Nanosecond)).UTC()
+		stopDate = fmt.Sprintf("%04d-%02d-%02d", stopTime.Year(), stopTime.Month(), stopTime.Day())
+		stopHourMinute = fmt.Sprintf("%02d-%02d", stopTime.Hour(), stopTime.Minute())
+	}
+
+	return &LogFileEntryCollector{
+		f:               f,
+		startTsNs:       startPosition.UnixNano(),
+		stopTsNs:        stopTsNs,
+		dayEntryQueue:   dayEntryQueue,
+		startDate:       startDate,
+		startHourMinute: startHourMinute,
+		stopDate:        stopDate,
+		stopHourMinute:  stopHourMinute,
+	}
+}
+
+func (c *LogFileEntryCollector) hasMore() bool {
+	return c.dayEntryQueue.Len() > 0
+}
+
+func (c *LogFileEntryCollector) collectMore(v *OrderedLogVisitor) (err error) {
+	dayEntry := c.dayEntryQueue.Dequeue()
+	if dayEntry == nil {
+		return io.EOF
+	}
+	// println("dequeue day entry", dayEntry.Name())
+	if c.stopDate != "" {
+		if strings.Compare(dayEntry.Name(), c.stopDate) > 0 {
+			return io.EOF
+		}
+	}
+
+	hourMinuteEntries, _, listHourMinuteErr := c.f.ListDirectoryEntries(context.Background(), util.NewFullPath(SystemLogDir, dayEntry.Name()), "", false, math.MaxInt32, "", "", "")
+	if listHourMinuteErr != nil {
+		return fmt.Errorf("fail to list log %s by day: %v", dayEntry.Name(), listHourMinuteErr)
+	}
+	freshFilerIds := make(map[string]string)
+	for _, hourMinuteEntry := range hourMinuteEntries {
+		// println("checking hh-mm", hourMinuteEntry.FullPath)
+		hourMinute := util.FileNameBase(hourMinuteEntry.Name())
+		if dayEntry.Name() == c.startDate {
+			if strings.Compare(hourMinute, c.startHourMinute) < 0 {
+				continue
+			}
+		}
+		if dayEntry.Name() == c.stopDate {
+			if strings.Compare(hourMinute, c.stopHourMinute) > 0 {
+				break
+			}
+		}
+
+		tsMinute := fmt.Sprintf("%s-%s", dayEntry.Name(), hourMinute)
+		// println("  enqueue", tsMinute)
+		t, parseErr := time.Parse("2006-01-02-15-04", tsMinute)
+		if parseErr != nil {
+			glog.Errorf("failed to parse %s: %v", tsMinute, parseErr)
+			continue
+		}
+		filerId := getFilerId(hourMinuteEntry.Name())
+		iter, found := v.perFilerIteratorMap[filerId]
+		if !found {
+			iter = newLogFileQueueIterator(c.f.MasterClient, util.NewQueue[*LogFileEntry](), c.startTsNs, c.stopTsNs)
+			v.perFilerIteratorMap[filerId] = iter
+			freshFilerIds[filerId] = hourMinuteEntry.Name()
+		}
+		iter.q.Enqueue(&LogFileEntry{
+			TsNs:      t.UnixNano(),
+			FileEntry: hourMinuteEntry,
+		})
+	}
+
+	// fill the pq with the next log entry if it is a new filer
+	for filerId, entryName := range freshFilerIds {
+		iter, found := v.perFilerIteratorMap[filerId]
+		if !found {
+			glog.Errorf("Unexpected! failed to find iterator for filer %s", filerId)
+			continue
+		}
+		next, nextErr := iter.getNext(v)
+		if nextErr != nil {
+			if nextErr == io.EOF {
+				// do nothing since the filer has no more log entries
+			}else {
+				return fmt.Errorf("failed to get next log entry for %v: %v", entryName, err)
+			}
+		} else {
+			heap.Push(v.pq, &LogEntryItem{
+				Entry: next,
+				filer: filerId,
+			})
+		}
+	}
+
+	return nil
+}
+
+// ----------
+
+type LogFileQueueIterator struct {
+	q                   *util.Queue[*LogFileEntry]
+	masterClient        *wdclient.MasterClient
+	startTsNs           int64
+	stopTsNs            int64
+	currentFileIterator *LogFileIterator
+}
+
+func newLogFileQueueIterator(masterClient *wdclient.MasterClient, q *util.Queue[*LogFileEntry], startTsNs, stopTsNs int64) *LogFileQueueIterator {
+	return &LogFileQueueIterator{
+		q:            q,
+		masterClient: masterClient,
+		startTsNs:    startTsNs,
+		stopTsNs:     stopTsNs,
+	}
+}
+
+// getNext will return io.EOF when done
+func (iter *LogFileQueueIterator) getNext(v *OrderedLogVisitor) (logEntry *filer_pb.LogEntry, err error) {
+	for {
+		if iter.currentFileIterator != nil {
+			logEntry, err = iter.currentFileIterator.getNext()
+			if err != io.EOF {
+				return
+			}
+		}
+		// now either iter.currentFileIterator is nil or err is io.EOF
+		if iter.q.Len() == 0 {
+			return nil, io.EOF
+		}
+		t := iter.q.Dequeue()
+		if t == nil {
+			continue
+		}
+		// skip the file if it is after the stopTsNs
+		if iter.stopTsNs != 0 && t.TsNs > iter.stopTsNs {
+			return nil, io.EOF
+		}
+		next := iter.q.Peek()
+		if next == nil {
+			if collectErr := v.logFileEntryCollector.collectMore(v); collectErr != nil && collectErr != io.EOF {
+				return nil, collectErr
+			}
+		}
+		// skip the file if the next entry is before the startTsNs
+		if next != nil && next.TsNs <= iter.startTsNs {
+			continue
+		}
+		iter.currentFileIterator = newLogFileIterator(iter.masterClient, t.FileEntry, iter.startTsNs, iter.stopTsNs)
+	}
+}
+
+// ----------
+
+type LogFileIterator struct {
+	r         io.Reader
+	sizeBuf   []byte
+	startTsNs int64
+	stopTsNs  int64
+}
+
+func newLogFileIterator(masterClient *wdclient.MasterClient, fileEntry *Entry, startTsNs, stopTsNs int64) *LogFileIterator {
+	return &LogFileIterator{
+		r:         NewChunkStreamReaderFromFiler(masterClient, fileEntry.Chunks),
+		sizeBuf:   make([]byte, 4),
+		startTsNs: startTsNs,
+		stopTsNs:  stopTsNs,
+	}
+}
+
+// getNext will return io.EOF when done
+func (iter *LogFileIterator) getNext() (logEntry *filer_pb.LogEntry, err error) {
+	var n int
+	for {
+		n, err = iter.r.Read(iter.sizeBuf)
+		if err != nil {
+			return
+		}
+		if n != 4 {
+			return nil, fmt.Errorf("size %d bytes, expected 4 bytes", n)
+		}
+		size := util.BytesToUint32(iter.sizeBuf)
+		// println("entry size", size)
+		entryData := make([]byte, size)
+		n, err = iter.r.Read(entryData)
+		if err != nil {
+			return
+		}
+		if n != int(size) {
+			return nil, fmt.Errorf("entry data %d bytes, expected %d bytes", n, size)
+		}
+		logEntry = &filer_pb.LogEntry{}
+		if err = proto.Unmarshal(entryData, logEntry); err != nil {
+			return
+		}
+		if logEntry.TsNs <= iter.startTsNs {
+			continue
+		}
+		if iter.stopTsNs != 0 && logEntry.TsNs > iter.stopTsNs {
+			return nil, io.EOF
+		}
+		return
+	}
+}
diff --git a/weed/filer/filerstore_wrapper.go b/weed/filer/filerstore_wrapper.go
index d3beaba89..9c448edfd 100644
--- a/weed/filer/filerstore_wrapper.go
+++ b/weed/filer/filerstore_wrapper.go
@@ -85,7 +85,7 @@ func (fsw *FilerStoreWrapper) AddPathSpecificStore(path string, storeId string,
 
 func (fsw *FilerStoreWrapper) getActualStore(path util.FullPath) (store FilerStore) {
 	store = fsw.defaultStore
-	if path == "/" {
+	if path == "/" || path == "//" {
 		return
 	}
 	var storeId string
@@ -182,7 +182,7 @@ func (fsw *FilerStoreWrapper) DeleteEntry(ctx context.Context, fp util.FullPath)
 	}()
 
 	existingEntry, findErr := fsw.FindEntry(ctx, fp)
-	if findErr == filer_pb.ErrNotFound {
+	if findErr == filer_pb.ErrNotFound || existingEntry == nil {
 		return nil
 	}
 	if len(existingEntry.HardLinkId) != 0 {
diff --git a/weed/filer/leveldb2/leveldb2_store.go b/weed/filer/leveldb2/leveldb2_store.go
index 78d15382f..b465046f9 100644
--- a/weed/filer/leveldb2/leveldb2_store.go
+++ b/weed/filer/leveldb2/leveldb2_store.go
@@ -25,8 +25,9 @@ func init() {
 }
 
 type LevelDB2Store struct {
-	dbs     []*leveldb.DB
-	dbCount int
+	dbs      []*leveldb.DB
+	dbCount  int
+	ReadOnly bool
 }
 
 func (store *LevelDB2Store) GetName() string {
@@ -49,6 +50,7 @@ func (store *LevelDB2Store) initialize(dir string, dbCount int) (err error) {
 		BlockCacheCapacity: 32 * 1024 * 1024,         // default value is 8MiB
 		WriteBuffer:        16 * 1024 * 1024,         // default value is 4MiB
 		Filter:             filter.NewBloomFilter(8), // false positive rate 0.02
+		ReadOnly:           store.ReadOnly,
 	}
 
 	for d := 0; d < dbCount; d++ {
diff --git a/weed/filer/leveldb3/leveldb3_store.go b/weed/filer/leveldb3/leveldb3_store.go
index 406dc80be..2522221da 100644
--- a/weed/filer/leveldb3/leveldb3_store.go
+++ b/weed/filer/leveldb3/leveldb3_store.go
@@ -31,9 +31,10 @@ func init() {
 }
 
 type LevelDB3Store struct {
-	dir     string
-	dbs     map[string]*leveldb.DB
-	dbsLock sync.RWMutex
+	dir      string
+	dbs      map[string]*leveldb.DB
+	dbsLock  sync.RWMutex
+	ReadOnly bool
 }
 
 func (store *LevelDB3Store) GetName() string {
@@ -69,12 +70,14 @@ func (store *LevelDB3Store) loadDB(name string) (*leveldb.DB, error) {
 		BlockCacheCapacity: 32 * 1024 * 1024, // default value is 8MiB
 		WriteBuffer:        16 * 1024 * 1024, // default value is 4MiB
 		Filter:             bloom,
+		ReadOnly:           store.ReadOnly,
 	}
 	if name != DEFAULT {
 		opts = &opt.Options{
 			BlockCacheCapacity: 16 * 1024 * 1024, // default value is 8MiB
 			WriteBuffer:        8 * 1024 * 1024,  // default value is 4MiB
 			Filter:             bloom,
+			ReadOnly:           store.ReadOnly,
 		}
 	}
 
diff --git a/weed/filer/meta_replay.go b/weed/filer/meta_replay.go
index 51c4e6987..0432e17de 100644
--- a/weed/filer/meta_replay.go
+++ b/weed/filer/meta_replay.go
@@ -2,6 +2,7 @@ package filer
 
 import (
 	"context"
+	"sync"
 
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
@@ -35,3 +36,40 @@ func Replay(filerStore FilerStore, resp *filer_pb.SubscribeMetadataResponse) err
 
 	return nil
 }
+
+
+// ParallelProcessDirectoryStructure processes each entry in parallel, and also ensure parent directories are processed first.
+// This also assumes the parent directories are in the entryChan already.
+func ParallelProcessDirectoryStructure(entryChan chan *Entry, concurrency int, eachEntryFn func(entry *Entry)(error)) (firstErr error) {
+
+	executors := util.NewLimitedConcurrentExecutor(concurrency)
+
+	var wg sync.WaitGroup
+	for entry := range entryChan {
+		wg.Add(1)
+		if entry.IsDirectory() {
+			func() {
+				defer wg.Done()
+				if err := eachEntryFn(entry); err != nil {
+					if firstErr == nil {
+						firstErr = err
+					}
+				}
+			}()
+		} else {
+			executors.Execute(func() {
+				defer wg.Done()
+				if err := eachEntryFn(entry); err != nil {
+					if firstErr == nil {
+						firstErr = err
+					}
+				}
+			})
+		}
+		if firstErr != nil {
+			break
+		}
+	}
+	wg.Wait()
+	return
+}
diff --git a/weed/filer/reader_cache.go b/weed/filer/reader_cache.go
index 7be54b193..fea2bbc89 100644
--- a/weed/filer/reader_cache.go
+++ b/weed/filer/reader_cache.go
@@ -2,7 +2,6 @@ package filer
 
 import (
 	"fmt"
-	"github.com/seaweedfs/seaweedfs/weed/util"
 	"sync"
 	"sync/atomic"
 	"time"
@@ -10,6 +9,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/util/chunk_cache"
 	"github.com/seaweedfs/seaweedfs/weed/util/mem"
 	"github.com/seaweedfs/seaweedfs/weed/wdclient"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 type ReaderCache struct {
@@ -171,7 +171,7 @@ func (s *SingleChunkCacher) startCaching() {
 
 	s.data = mem.Allocate(s.chunkSize)
 
-	_, s.err = util.RetriedFetchChunkData(s.data, urlStrings, s.cipherKey, s.isGzipped, true, 0)
+	_, s.err = util_http.RetriedFetchChunkData(s.data, urlStrings, s.cipherKey, s.isGzipped, true, 0)
 	if s.err != nil {
 		mem.Free(s.data)
 		s.data = nil
diff --git a/weed/filer/redis/redis_cluster_store.go b/weed/filer/redis/redis_cluster_store.go
index b24a9f5d3..be2710948 100644
--- a/weed/filer/redis/redis_cluster_store.go
+++ b/weed/filer/redis/redis_cluster_store.go
@@ -1,7 +1,7 @@
 package redis
 
 import (
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 )
diff --git a/weed/filer/redis/redis_store.go b/weed/filer/redis/redis_store.go
index c3f7194e6..823bbf610 100644
--- a/weed/filer/redis/redis_store.go
+++ b/weed/filer/redis/redis_store.go
@@ -1,7 +1,7 @@
 package redis
 
 import (
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 )
diff --git a/weed/filer/redis/universal_redis_store.go b/weed/filer/redis/universal_redis_store.go
index 33c0ea342..8c8d6539c 100644
--- a/weed/filer/redis/universal_redis_store.go
+++ b/weed/filer/redis/universal_redis_store.go
@@ -7,7 +7,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
diff --git a/weed/filer/redis/universal_redis_store_kv.go b/weed/filer/redis/universal_redis_store_kv.go
index 12ab70cec..230cda759 100644
--- a/weed/filer/redis/universal_redis_store_kv.go
+++ b/weed/filer/redis/universal_redis_store_kv.go
@@ -4,7 +4,7 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 )
 
diff --git a/weed/filer/redis2/redis_cluster_store.go b/weed/filer/redis2/redis_cluster_store.go
index 835bb5154..6e4f11d22 100644
--- a/weed/filer/redis2/redis_cluster_store.go
+++ b/weed/filer/redis2/redis_cluster_store.go
@@ -1,7 +1,7 @@
 package redis2
 
 import (
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 )
diff --git a/weed/filer/redis2/redis_sentinel_store.go b/weed/filer/redis2/redis_sentinel_store.go
index 313977dc7..5fc368fc7 100644
--- a/weed/filer/redis2/redis_sentinel_store.go
+++ b/weed/filer/redis2/redis_sentinel_store.go
@@ -1,7 +1,7 @@
 package redis2
 
 import (
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 	"time"
diff --git a/weed/filer/redis2/redis_store.go b/weed/filer/redis2/redis_store.go
index 52b29121d..a271dbcd1 100644
--- a/weed/filer/redis2/redis_store.go
+++ b/weed/filer/redis2/redis_store.go
@@ -1,7 +1,7 @@
 package redis2
 
 import (
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 )
diff --git a/weed/filer/redis2/universal_redis_store.go b/weed/filer/redis2/universal_redis_store.go
index 6b0e65c3d..d3f01f88a 100644
--- a/weed/filer/redis2/universal_redis_store.go
+++ b/weed/filer/redis2/universal_redis_store.go
@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"time"
 
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
@@ -57,7 +57,7 @@ func (store *UniversalRedis2Store) InsertEntry(ctx context.Context, entry *filer
 	}
 
 	if name != "" {
-		if err = store.Client.ZAddNX(ctx, genDirectoryListKey(dir), &redis.Z{Score: 0, Member: name}).Err(); err != nil {
+		if err = store.Client.ZAddNX(ctx, genDirectoryListKey(dir), redis.Z{Score: 0, Member: name}).Err(); err != nil {
 			return fmt.Errorf("persisting %s in parent dir: %v", entry.FullPath, err)
 		}
 	}
diff --git a/weed/filer/redis2/universal_redis_store_kv.go b/weed/filer/redis2/universal_redis_store_kv.go
index a68a3449c..5b515f605 100644
--- a/weed/filer/redis2/universal_redis_store_kv.go
+++ b/weed/filer/redis2/universal_redis_store_kv.go
@@ -4,7 +4,7 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 )
 
diff --git a/weed/filer/redis3/ItemList.go b/weed/filer/redis3/ItemList.go
index c576cbeb4..9e38089a7 100644
--- a/weed/filer/redis3/ItemList.go
+++ b/weed/filer/redis3/ItemList.go
@@ -4,7 +4,7 @@ import (
 	"bytes"
 	"context"
 	"fmt"
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/seaweedfs/seaweedfs/weed/util/skiplist"
 )
 
@@ -399,9 +399,9 @@ func (nl *ItemList) NodeSize(node *skiplist.SkipListElementReference) int {
 
 func (nl *ItemList) NodeAddMember(node *skiplist.SkipListElementReference, names ...string) error {
 	key := fmt.Sprintf("%s%dm", nl.prefix, node.ElementPointer)
-	var members []*redis.Z
+	var members []redis.Z
 	for _, name := range names {
-		members = append(members, &redis.Z{
+		members = append(members, redis.Z{
 			Score:  0,
 			Member: name,
 		})
diff --git a/weed/filer/redis3/item_list_serde.go b/weed/filer/redis3/item_list_serde.go
index e71243838..f4410b61b 100644
--- a/weed/filer/redis3/item_list_serde.go
+++ b/weed/filer/redis3/item_list_serde.go
@@ -1,7 +1,7 @@
 package redis3
 
 import (
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/util/skiplist"
 	"google.golang.org/protobuf/proto"
diff --git a/weed/filer/redis3/kv_directory_children.go b/weed/filer/redis3/kv_directory_children.go
index 422500ed7..5a2d76141 100644
--- a/weed/filer/redis3/kv_directory_children.go
+++ b/weed/filer/redis3/kv_directory_children.go
@@ -3,7 +3,7 @@ package redis3
 import (
 	"context"
 	"fmt"
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 )
 
diff --git a/weed/filer/redis3/kv_directory_children_test.go b/weed/filer/redis3/kv_directory_children_test.go
index 9d7acacf1..76a8dc00f 100644
--- a/weed/filer/redis3/kv_directory_children_test.go
+++ b/weed/filer/redis3/kv_directory_children_test.go
@@ -3,7 +3,7 @@ package redis3
 import (
 	"context"
 	"fmt"
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/stvp/tempredis"
 	"strconv"
 	"testing"
@@ -116,7 +116,7 @@ func BenchmarkRedis(b *testing.B) {
 	})
 
 	for i := 0; i < b.N; i++ {
-		client.ZAddNX(context.Background(), "/yyy/bin", &redis.Z{Score: 0, Member: strconv.Itoa(i) + "namexxxxxxxxxxxxxxxxxxx"})
+		client.ZAddNX(context.Background(), "/yyy/bin", redis.Z{Score: 0, Member: strconv.Itoa(i) + "namexxxxxxxxxxxxxxxxxxx"})
 	}
 }
 
@@ -149,7 +149,7 @@ func xTestNameListAdd(t *testing.T) {
 	ts1 := time.Now()
 
 	for i := 0; i < N; i++ {
-		client.ZAddNX(context.Background(), "/x", &redis.Z{Score: 0, Member: fmt.Sprintf("name %8d", i)})
+		client.ZAddNX(context.Background(), "/x", redis.Z{Score: 0, Member: fmt.Sprintf("name %8d", i)})
 	}
 	ts2 := time.Now()
 
@@ -205,6 +205,6 @@ func xBenchmarkRedis(b *testing.B) {
 	})
 
 	for i := 0; i < b.N; i++ {
-		client.ZAddNX(context.Background(), "/xxx/bin", &redis.Z{Score: 0, Member: fmt.Sprintf("name %8d", i)})
+		client.ZAddNX(context.Background(), "/xxx/bin", redis.Z{Score: 0, Member: fmt.Sprintf("name %8d", i)})
 	}
 }
diff --git a/weed/filer/redis3/redis_cluster_store.go b/weed/filer/redis3/redis_cluster_store.go
index 1efa8e9b0..a8858bfa9 100644
--- a/weed/filer/redis3/redis_cluster_store.go
+++ b/weed/filer/redis3/redis_cluster_store.go
@@ -1,9 +1,9 @@
 package redis3
 
 import (
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/go-redsync/redsync/v4"
-	"github.com/go-redsync/redsync/v4/redis/goredis/v8"
+	"github.com/go-redsync/redsync/v4/redis/goredis/v9"
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 )
diff --git a/weed/filer/redis3/redis_sentinel_store.go b/weed/filer/redis3/redis_sentinel_store.go
index 4135d9956..2e0a8d4ae 100644
--- a/weed/filer/redis3/redis_sentinel_store.go
+++ b/weed/filer/redis3/redis_sentinel_store.go
@@ -3,9 +3,9 @@ package redis3
 import (
 	"time"
 
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/go-redsync/redsync/v4"
-	"github.com/go-redsync/redsync/v4/redis/goredis/v8"
+	"github.com/go-redsync/redsync/v4/redis/goredis/v9"
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 )
diff --git a/weed/filer/redis3/redis_store.go b/weed/filer/redis3/redis_store.go
index 9b98459e6..339115563 100644
--- a/weed/filer/redis3/redis_store.go
+++ b/weed/filer/redis3/redis_store.go
@@ -1,9 +1,9 @@
 package redis3
 
 import (
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/go-redsync/redsync/v4"
-	"github.com/go-redsync/redsync/v4/redis/goredis/v8"
+	"github.com/go-redsync/redsync/v4/redis/goredis/v9"
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 )
diff --git a/weed/filer/redis3/skiplist_element_store.go b/weed/filer/redis3/skiplist_element_store.go
index b589e3e77..46506187e 100644
--- a/weed/filer/redis3/skiplist_element_store.go
+++ b/weed/filer/redis3/skiplist_element_store.go
@@ -3,7 +3,7 @@ package redis3
 import (
 	"context"
 	"fmt"
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/util/skiplist"
 	"google.golang.org/protobuf/proto"
diff --git a/weed/filer/redis3/universal_redis_store.go b/weed/filer/redis3/universal_redis_store.go
index 2fb9a5b3f..51675d971 100644
--- a/weed/filer/redis3/universal_redis_store.go
+++ b/weed/filer/redis3/universal_redis_store.go
@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"time"
 
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 
 	redsync "github.com/go-redsync/redsync/v4"
 	"github.com/seaweedfs/seaweedfs/weed/filer"
diff --git a/weed/filer/redis3/universal_redis_store_kv.go b/weed/filer/redis3/universal_redis_store_kv.go
index 280eb4a96..fd665d5d4 100644
--- a/weed/filer/redis3/universal_redis_store_kv.go
+++ b/weed/filer/redis3/universal_redis_store_kv.go
@@ -4,7 +4,7 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 )
 
diff --git a/weed/filer/redis_lua/redis_cluster_store.go b/weed/filer/redis_lua/redis_cluster_store.go
index ae274bb09..251aadbcd 100644
--- a/weed/filer/redis_lua/redis_cluster_store.go
+++ b/weed/filer/redis_lua/redis_cluster_store.go
@@ -1,7 +1,7 @@
 package redis_lua
 
 import (
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 )
diff --git a/weed/filer/redis_lua/redis_sentinel_store.go b/weed/filer/redis_lua/redis_sentinel_store.go
index ac8ae75d7..f22a7fa66 100644
--- a/weed/filer/redis_lua/redis_sentinel_store.go
+++ b/weed/filer/redis_lua/redis_sentinel_store.go
@@ -1,7 +1,7 @@
 package redis_lua
 
 import (
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 	"time"
diff --git a/weed/filer/redis_lua/redis_store.go b/weed/filer/redis_lua/redis_store.go
index e88f3a3dc..8574baa09 100644
--- a/weed/filer/redis_lua/redis_store.go
+++ b/weed/filer/redis_lua/redis_store.go
@@ -1,7 +1,7 @@
 package redis_lua
 
 import (
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 )
diff --git a/weed/filer/redis_lua/stored_procedure/init.go b/weed/filer/redis_lua/stored_procedure/init.go
index 1412ceba2..9373cc5a3 100644
--- a/weed/filer/redis_lua/stored_procedure/init.go
+++ b/weed/filer/redis_lua/stored_procedure/init.go
@@ -2,7 +2,7 @@ package stored_procedure
 
 import (
 	_ "embed"
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 )
 
 func init() {
diff --git a/weed/filer/redis_lua/universal_redis_store.go b/weed/filer/redis_lua/universal_redis_store.go
index 59c128030..9e8dbcda7 100644
--- a/weed/filer/redis_lua/universal_redis_store.go
+++ b/weed/filer/redis_lua/universal_redis_store.go
@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"time"
 
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/filer/redis_lua/stored_procedure"
diff --git a/weed/filer/redis_lua/universal_redis_store_kv.go b/weed/filer/redis_lua/universal_redis_store_kv.go
index a03ae6573..01a7ba560 100644
--- a/weed/filer/redis_lua/universal_redis_store_kv.go
+++ b/weed/filer/redis_lua/universal_redis_store_kv.go
@@ -4,7 +4,7 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/go-redis/redis/v8"
+	"github.com/redis/go-redis/v9"
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 )
 
diff --git a/weed/filer/stream.go b/weed/filer/stream.go
index 23a853b9a..fdb443b53 100644
--- a/weed/filer/stream.go
+++ b/weed/filer/stream.go
@@ -16,6 +16,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/stats"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 	"github.com/seaweedfs/seaweedfs/weed/wdclient"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var getLookupFileIdBackoffSchedule = []time.Duration{
@@ -194,7 +195,7 @@ func ReadAll(buffer []byte, masterClient *wdclient.MasterClient, chunks []*filer
 			return err
 		}
 
-		n, err := util.RetriedFetchChunkData(buffer[idx:idx+int(chunkView.ViewSize)], urlStrings, chunkView.CipherKey, chunkView.IsGzipped, chunkView.IsFullChunk(), chunkView.OffsetInChunk)
+		n, err := util_http.RetriedFetchChunkData(buffer[idx:idx+int(chunkView.ViewSize)], urlStrings, chunkView.CipherKey, chunkView.IsGzipped, chunkView.IsFullChunk(), chunkView.OffsetInChunk)
 		if err != nil {
 			return err
 		}
@@ -350,7 +351,7 @@ func (c *ChunkStreamReader) fetchChunkToBuffer(chunkView *ChunkView) error {
 	var buffer bytes.Buffer
 	var shouldRetry bool
 	for _, urlString := range urlStrings {
-		shouldRetry, err = util.ReadUrlAsStream(urlString+"?readDeleted=true", chunkView.CipherKey, chunkView.IsGzipped, chunkView.IsFullChunk(), chunkView.OffsetInChunk, int(chunkView.ViewSize), func(data []byte) {
+		shouldRetry, err = util_http.ReadUrlAsStream(urlString+"?readDeleted=true", chunkView.CipherKey, chunkView.IsGzipped, chunkView.IsFullChunk(), chunkView.OffsetInChunk, int(chunkView.ViewSize), func(data []byte) {
 			buffer.Write(data)
 		})
 		if !shouldRetry {
diff --git a/weed/iamapi/iamapi_server.go b/weed/iamapi/iamapi_server.go
index 3a4fb914e..d1575a14e 100644
--- a/weed/iamapi/iamapi_server.go
+++ b/weed/iamapi/iamapi_server.go
@@ -72,7 +72,7 @@ func (iama *IamApiServer) registerRouter(router *mux.Router) {
 	// ListBuckets
 
 	// apiRouter.Methods("GET").Path("/").HandlerFunc(track(s3a.iam.Auth(s3a.ListBucketsHandler, ACTION_ADMIN), "LIST"))
-	apiRouter.Methods("POST").Path("/").HandlerFunc(iama.iam.Auth(iama.DoActions, ACTION_ADMIN))
+	apiRouter.Methods(http.MethodPost).Path("/").HandlerFunc(iama.iam.Auth(iama.DoActions, ACTION_ADMIN))
 	//
 	// NotFound
 	apiRouter.NotFoundHandler = http.HandlerFunc(s3err.NotFoundHandler)
diff --git a/weed/iamapi/iamapi_test.go b/weed/iamapi/iamapi_test.go
index efd74a059..f32e1ac51 100644
--- a/weed/iamapi/iamapi_test.go
+++ b/weed/iamapi/iamapi_test.go
@@ -189,7 +189,7 @@ func TestDeleteUser(t *testing.T) {
 func executeRequest(req *http.Request, v interface{}) (*httptest.ResponseRecorder, error) {
 	rr := httptest.NewRecorder()
 	apiRouter := mux.NewRouter().SkipClean(true)
-	apiRouter.Path("/").Methods("POST").HandlerFunc(ias.DoActions)
+	apiRouter.Path("/").Methods(http.MethodPost).HandlerFunc(ias.DoActions)
 	apiRouter.ServeHTTP(rr, req)
 	return rr, xml.Unmarshal(rr.Body.Bytes(), &v)
 }
diff --git a/weed/mount/filehandle.go b/weed/mount/filehandle.go
index 2e08432c0..f47d4a877 100644
--- a/weed/mount/filehandle.go
+++ b/weed/mount/filehandle.go
@@ -66,8 +66,8 @@ func (fh *FileHandle) FullPath() util.FullPath {
 	return fp
 }
 
-func (fh *FileHandle) GetEntry() *filer_pb.Entry {
-	return fh.entry.GetEntry()
+func (fh *FileHandle) GetEntry() *LockedEntry {
+	return fh.entry
 }
 
 func (fh *FileHandle) SetEntry(entry *filer_pb.Entry) {
@@ -90,13 +90,6 @@ func (fh *FileHandle) UpdateEntry(fn func(entry *filer_pb.Entry)) *filer_pb.Entr
 }
 
 func (fh *FileHandle) AddChunks(chunks []*filer_pb.FileChunk) {
-	fh.entryLock.Lock()
-	defer fh.entryLock.Unlock()
-
-	if fh.entry == nil {
-		return
-	}
-
 	fh.entry.AppendChunks(chunks)
 }
 
@@ -105,9 +98,6 @@ func (fh *FileHandle) ReleaseHandle() {
 	fhActiveLock := fh.wfs.fhLockTable.AcquireLock("ReleaseHandle", fh.fh, util.ExclusiveLock)
 	defer fh.wfs.fhLockTable.ReleaseLock(fh.fh, fhActiveLock)
 
-	fh.entryLock.Lock()
-	defer fh.entryLock.Unlock()
-
 	fh.dirtyPages.Destroy()
 	if IsDebugFileReadWrite {
 		fh.mirrorFile.Close()
diff --git a/weed/mount/filehandle_map.go b/weed/mount/filehandle_map.go
index f0051f061..852ef9e35 100644
--- a/weed/mount/filehandle_map.go
+++ b/weed/mount/filehandle_map.go
@@ -1,6 +1,7 @@
 package mount
 
 import (
+	"github.com/seaweedfs/seaweedfs/weed/util"
 	"sync"
 
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
@@ -8,7 +9,6 @@ import (
 
 type FileHandleToInode struct {
 	sync.RWMutex
-	nextFh   FileHandleId
 	inode2fh map[uint64]*FileHandle
 	fh2inode map[FileHandleId]uint64
 }
@@ -17,7 +17,6 @@ func NewFileHandleToInode() *FileHandleToInode {
 	return &FileHandleToInode{
 		inode2fh: make(map[uint64]*FileHandle),
 		fh2inode: make(map[FileHandleId]uint64),
-		nextFh:   0,
 	}
 }
 
@@ -43,14 +42,13 @@ func (i *FileHandleToInode) AcquireFileHandle(wfs *WFS, inode uint64, entry *fil
 	defer i.Unlock()
 	fh, found := i.inode2fh[inode]
 	if !found {
-		fh = newFileHandle(wfs, i.nextFh, inode, entry)
-		i.nextFh++
+		fh = newFileHandle(wfs, FileHandleId(util.RandomUint64()), inode, entry)
 		i.inode2fh[inode] = fh
 		i.fh2inode[fh.fh] = inode
 	} else {
 		fh.counter++
 	}
-	if fh.GetEntry() != entry {
+	if fh.GetEntry().GetEntry() != entry {
 		fh.SetEntry(entry)
 	}
 	return fh
diff --git a/weed/mount/filehandle_read.go b/weed/mount/filehandle_read.go
index 7b2629c13..3c315b1c4 100644
--- a/weed/mount/filehandle_read.go
+++ b/weed/mount/filehandle_read.go
@@ -29,23 +29,19 @@ func (fh *FileHandle) readFromChunks(buff []byte, offset int64) (int64, int64, e
 	fileFullPath := fh.FullPath()
 
 	entry := fh.GetEntry()
-	if entry == nil {
-		return 0, 0, io.EOF
-	}
 
 	if entry.IsInRemoteOnly() {
 		glog.V(4).Infof("download remote entry %s", fileFullPath)
-		newEntry, err := fh.downloadRemoteEntry(entry)
+		err := fh.downloadRemoteEntry(entry)
 		if err != nil {
 			glog.V(1).Infof("download remote entry %s: %v", fileFullPath, err)
 			return 0, 0, err
 		}
-		entry = newEntry
 	}
 
 	fileSize := int64(entry.Attributes.FileSize)
 	if fileSize == 0 {
-		fileSize = int64(filer.FileSize(entry))
+		fileSize = int64(filer.FileSize(entry.GetEntry()))
 	}
 
 	if fileSize == 0 {
@@ -70,7 +66,7 @@ func (fh *FileHandle) readFromChunks(buff []byte, offset int64) (int64, int64, e
 	return int64(totalRead), ts, err
 }
 
-func (fh *FileHandle) downloadRemoteEntry(entry *filer_pb.Entry) (*filer_pb.Entry, error) {
+func (fh *FileHandle) downloadRemoteEntry(entry *LockedEntry) (error) {
 
 	fileFullPath := fh.FullPath()
 	dir, _ := fileFullPath.DirAndName()
@@ -88,12 +84,12 @@ func (fh *FileHandle) downloadRemoteEntry(entry *filer_pb.Entry) (*filer_pb.Entr
 			return fmt.Errorf("CacheRemoteObjectToLocalCluster file %s: %v", fileFullPath, err)
 		}
 
-		entry = resp.Entry
+		entry.SetEntry(resp.Entry)
 
 		fh.wfs.metaCache.InsertEntry(context.Background(), filer.FromPbEntry(request.Directory, resp.Entry))
 
 		return nil
 	})
 
-	return entry, err
+	return err
 }
diff --git a/weed/mount/locked_entry.go b/weed/mount/locked_entry.go
index f3b4bf484..c5fbaee91 100644
--- a/weed/mount/locked_entry.go
+++ b/weed/mount/locked_entry.go
@@ -16,6 +16,8 @@ func (le *LockedEntry) GetEntry() *filer_pb.Entry {
 	return le.Entry
 }
 
+// SetEntry sets the entry of the LockedEntry
+// entry should never be nil
 func (le *LockedEntry) SetEntry(entry *filer_pb.Entry) {
 	le.Lock()
 	defer le.Unlock()
diff --git a/weed/mount/meta_cache/meta_cache.go b/weed/mount/meta_cache/meta_cache.go
index 46a76365c..8a571d9e6 100644
--- a/weed/mount/meta_cache/meta_cache.go
+++ b/weed/mount/meta_cache/meta_cache.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"os"
 	"sync"
+	"time"
 
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/filer/leveldb"
@@ -118,6 +119,9 @@ func (mc *MetaCache) FindEntry(ctx context.Context, fp util.FullPath) (entry *fi
 	if err != nil {
 		return nil, err
 	}
+	if entry.TtlSec > 0 && entry.Crtime.Add(time.Duration(entry.TtlSec)).Before(time.Now()) {
+		return nil, filer_pb.ErrNotFound
+	}
 	mc.mapIdFromFilerToLocal(entry)
 	return
 }
@@ -143,6 +147,9 @@ func (mc *MetaCache) ListDirectoryEntries(ctx context.Context, dirPath util.Full
 	}
 
 	_, err := mc.localStore.ListDirectoryEntries(ctx, dirPath, startFileName, includeStartFile, limit, func(entry *filer.Entry) bool {
+		if entry.TtlSec > 0 && entry.Crtime.Add(time.Duration(entry.TtlSec)).Before(time.Now()) {
+			return true
+		}
 		mc.mapIdFromFilerToLocal(entry)
 		return eachEntryFunc(entry)
 	})
diff --git a/weed/mount/meta_cache/meta_cache_subscribe.go b/weed/mount/meta_cache/meta_cache_subscribe.go
index 72da0ca64..d3bb27d08 100644
--- a/weed/mount/meta_cache/meta_cache_subscribe.go
+++ b/weed/mount/meta_cache/meta_cache_subscribe.go
@@ -7,6 +7,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/pb"
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
 	"github.com/seaweedfs/seaweedfs/weed/util"
+	"strings"
 )
 
 func SubscribeMetaEvents(mc *MetaCache, selfSignature int32, client filer_pb.FilerClient, dir string, lastTsNs int64) error {
@@ -57,12 +58,17 @@ func SubscribeMetaEvents(mc *MetaCache, selfSignature int32, client filer_pb.Fil
 
 	}
 
+	prefix := dir
+	if !strings.HasSuffix(prefix, "/") {
+		prefix = prefix + "/"
+	}
+
 	metadataFollowOption := &pb.MetadataFollowOption{
 		ClientName:             "mount",
 		ClientId:               selfSignature,
 		ClientEpoch:            1,
 		SelfSignature:          selfSignature,
-		PathPrefix:             dir,
+		PathPrefix:             prefix,
 		AdditionalPathPrefixes: nil,
 		DirectoriesToWatch:     nil,
 		StartTsNs:              lastTsNs,
diff --git a/weed/mount/weedfs.go b/weed/mount/weedfs.go
index c5a1d2755..a9fbd9380 100644
--- a/weed/mount/weedfs.go
+++ b/weed/mount/weedfs.go
@@ -112,9 +112,6 @@ func NewSeaweedFileSystem(option *Option) *WFS {
 					fhActiveLock := fh.wfs.fhLockTable.AcquireLock("invalidateFunc", fh.fh, util.ExclusiveLock)
 					defer fh.wfs.fhLockTable.ReleaseLock(fh.fh, fhActiveLock)
 
-					fh.entryLock.Lock()
-					defer fh.entryLock.Unlock()
-
 					// Recreate dirty pages
 					fh.dirtyPages.Destroy()
 					fh.dirtyPages = newPageWriter(fh, wfs.option.ChunkSizeLimit)
@@ -122,7 +119,7 @@ func NewSeaweedFileSystem(option *Option) *WFS {
 					// Update handle entry
 					newentry, status := wfs.maybeLoadEntry(filePath)
 					if status == fuse.OK {
-						if fh.GetEntry() != newentry {
+						if fh.GetEntry().GetEntry() != newentry {
 							fh.SetEntry(newentry)
 						}
 					}
diff --git a/weed/mount/weedfs_dir_lookup.go b/weed/mount/weedfs_dir_lookup.go
index e646b06a9..f3ba0cc85 100644
--- a/weed/mount/weedfs_dir_lookup.go
+++ b/weed/mount/weedfs_dir_lookup.go
@@ -59,7 +59,7 @@ func (wfs *WFS) Lookup(cancel <-chan struct{}, header *fuse.InHeader, name strin
 
 	if fh, found := wfs.fhmap.FindFileHandle(inode); found {
 		fh.entryLock.RLock()
-		if entry := fh.GetEntry(); entry != nil {
+		if entry := fh.GetEntry().GetEntry(); entry != nil {
 			glog.V(4).Infof("lookup opened file %s size %d", dirPath.Child(localEntry.Name()), filer.FileSize(entry))
 			localEntry = filer.FromPbEntry(string(dirPath), entry)
 		}
diff --git a/weed/mount/weedfs_dir_read.go b/weed/mount/weedfs_dir_read.go
index f140fd86f..c80ecce9e 100644
--- a/weed/mount/weedfs_dir_read.go
+++ b/weed/mount/weedfs_dir_read.go
@@ -6,6 +6,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/mount/meta_cache"
+	"github.com/seaweedfs/seaweedfs/weed/util"
 	"math"
 	"sync"
 )
@@ -43,10 +44,7 @@ func NewDirectoryHandleToInode() *DirectoryHandleToInode {
 }
 
 func (wfs *WFS) AcquireDirectoryHandle() (DirectoryHandleId, *DirectoryHandle) {
-	wfs.fhmap.Lock()
-	fh := wfs.fhmap.nextFh
-	wfs.fhmap.nextFh++
-	wfs.fhmap.Unlock()
+	fh := FileHandleId(util.RandomUint64())
 
 	wfs.dhmap.Lock()
 	defer wfs.dhmap.Unlock()
@@ -173,7 +171,7 @@ func (wfs *WFS) doReadDirectory(input *fuse.ReadIn, out *fuse.DirEntryList, isPl
 			}
 			if fh, found := wfs.fhmap.FindFileHandle(inode); found {
 				glog.V(4).Infof("readdir opened file %s", dirPath.Child(dirEntry.Name))
-				entry = filer.FromPbEntry(string(dirPath), fh.GetEntry())
+				entry = filer.FromPbEntry(string(dirPath), fh.GetEntry().GetEntry())
 			}
 			wfs.outputFilerEntry(entryOut, inode, entry)
 		}
diff --git a/weed/mount/weedfs_file_lseek.go b/weed/mount/weedfs_file_lseek.go
index 35157d993..0cf7ef43b 100644
--- a/weed/mount/weedfs_file_lseek.go
+++ b/weed/mount/weedfs_file_lseek.go
@@ -38,10 +38,8 @@ func (wfs *WFS) Lseek(cancel <-chan struct{}, in *fuse.LseekIn, out *fuse.LseekO
 	// lock the file until the proper offset was calculated
 	fhActiveLock := fh.wfs.fhLockTable.AcquireLock("Lseek", fh.fh, util.SharedLock)
 	defer fh.wfs.fhLockTable.ReleaseLock(fh.fh, fhActiveLock)
-	fh.entryLock.RLock()
-	defer fh.entryLock.RUnlock()
 
-	fileSize := int64(filer.FileSize(fh.GetEntry()))
+	fileSize := int64(filer.FileSize(fh.GetEntry().GetEntry()))
 	offset := max(int64(in.Offset), 0)
 
 	glog.V(4).Infof(
diff --git a/weed/mount/weedfs_file_sync.go b/weed/mount/weedfs_file_sync.go
index 762a9b8de..d857606bd 100644
--- a/weed/mount/weedfs_file_sync.go
+++ b/weed/mount/weedfs_file_sync.go
@@ -116,13 +116,8 @@ func (wfs *WFS) doFlush(fh *FileHandle, uid, gid uint32) fuse.Status {
 	defer fh.wfs.fhLockTable.ReleaseLock(fh.fh, fhActiveLock)
 
 	err := wfs.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
-		fh.entryLock.Lock()
-		defer fh.entryLock.Unlock()
 
 		entry := fh.GetEntry()
-		if entry == nil {
-			return nil
-		}
 		entry.Name = name // this flush may be just after a rename operation
 
 		if entry.Attributes != nil {
@@ -141,7 +136,7 @@ func (wfs *WFS) doFlush(fh *FileHandle, uid, gid uint32) fuse.Status {
 
 		request := &filer_pb.CreateEntryRequest{
 			Directory:                string(dir),
-			Entry:                    entry,
+			Entry:                    entry.GetEntry(),
 			Signatures:               []int32{wfs.signature},
 			SkipCheckParentDirectory: true,
 		}
diff --git a/weed/mount/weedfs_write.go b/weed/mount/weedfs_write.go
index 4c8470245..77ad01b89 100644
--- a/weed/mount/weedfs_write.go
+++ b/weed/mount/weedfs_write.go
@@ -14,8 +14,12 @@ import (
 func (wfs *WFS) saveDataAsChunk(fullPath util.FullPath) filer.SaveDataAsChunkFunctionType {
 
 	return func(reader io.Reader, filename string, offset int64, tsNs int64) (chunk *filer_pb.FileChunk, err error) {
+		uploader, err := operation.NewUploader()
+		if err != nil {
+			return
+		}
 
-		fileId, uploadResult, err, data := operation.UploadWithRetry(
+		fileId, uploadResult, err, data := uploader.UploadWithRetry(
 			wfs,
 			&filer_pb.AssignVolumeRequest{
 				Count:       1,
diff --git a/weed/mq/broker/broker_topic_partition_read_write.go b/weed/mq/broker/broker_topic_partition_read_write.go
index 7dd78c582..4c1b9a1e2 100644
--- a/weed/mq/broker/broker_topic_partition_read_write.go
+++ b/weed/mq/broker/broker_topic_partition_read_write.go
@@ -13,6 +13,7 @@ import (
 	"math"
 	"sync/atomic"
 	"time"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 func (b *MessageQueueBroker) genLogFlushFunc(t topic.Topic, partition *mq_pb.Partition) log_buffer.LogFlushFuncType {
@@ -130,7 +131,7 @@ func (b *MessageQueueBroker) genLogOnDiskReadFunc(t topic.Topic, partition *mq_p
 			for _, urlString := range urlStrings {
 				// TODO optimization opportunity: reuse the buffer
 				var data []byte
-				if data, _, err = util.Get(urlString); err == nil {
+				if data, _, err = util_http.Get(urlString); err == nil {
 					processed = true
 					if processedTsNs, err = eachChunkFn(data, eachLogEntryFn, starTsNs, stopTsNs); err != nil {
 						return
diff --git a/weed/mq/broker/broker_write.go b/weed/mq/broker/broker_write.go
index 896f0ee75..9999529fb 100644
--- a/weed/mq/broker/broker_write.go
+++ b/weed/mq/broker/broker_write.go
@@ -55,7 +55,13 @@ func (b *MessageQueueBroker) appendToFile(targetFile string, data []byte) error
 func (b *MessageQueueBroker) assignAndUpload(targetFile string, data []byte) (fileId string, uploadResult *operation.UploadResult, err error) {
 
 	reader := util.NewBytesReader(data)
-	fileId, uploadResult, err, _ = operation.UploadWithRetry(
+
+	uploader, err := operation.NewUploader()
+	if err != nil {
+		return
+	}
+
+	fileId, uploadResult, err, _ = uploader.UploadWithRetry(
 		b,
 		&filer_pb.AssignVolumeRequest{
 			Count:       1,
diff --git a/weed/mq/client/cmd/weed_pub_kv/publisher_kv.go b/weed/mq/client/cmd/weed_pub_kv/publisher_kv.go
index 096b355a1..3ab3cb251 100644
--- a/weed/mq/client/cmd/weed_pub_kv/publisher_kv.go
+++ b/weed/mq/client/cmd/weed_pub_kv/publisher_kv.go
@@ -9,6 +9,7 @@ import (
 	"strings"
 	"sync"
 	"time"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -45,6 +46,7 @@ func doPublish(publisher *pub_client.TopicPublisher, id int) {
 
 func main() {
 	flag.Parse()
+	util_http.InitGlobalHttpClient()
 
 	config := &pub_client.PublisherConfiguration{
 		Topic:          topic.NewTopic(*namespace, *t),
diff --git a/weed/mq/client/cmd/weed_pub_record/publisher_record.go b/weed/mq/client/cmd/weed_pub_record/publisher_record.go
index a5fbd455e..f340dd1c8 100644
--- a/weed/mq/client/cmd/weed_pub_record/publisher_record.go
+++ b/weed/mq/client/cmd/weed_pub_record/publisher_record.go
@@ -11,6 +11,7 @@ import (
 	"strings"
 	"sync"
 	"time"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -86,6 +87,7 @@ func (r *MyRecord) ToRecordValue() *schema_pb.RecordValue {
 
 func main() {
 	flag.Parse()
+	util_http.InitGlobalHttpClient()
 
 	recordType := schema.RecordTypeBegin().
 		WithField("key", schema.TypeBytes).
diff --git a/weed/mq/client/cmd/weed_sub_kv/subscriber_kv.go b/weed/mq/client/cmd/weed_sub_kv/subscriber_kv.go
index 902e7ed1b..8ff667763 100644
--- a/weed/mq/client/cmd/weed_sub_kv/subscriber_kv.go
+++ b/weed/mq/client/cmd/weed_sub_kv/subscriber_kv.go
@@ -11,6 +11,7 @@ import (
 	"google.golang.org/grpc/credentials/insecure"
 	"strings"
 	"time"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -25,6 +26,7 @@ var (
 
 func main() {
 	flag.Parse()
+	util_http.InitGlobalHttpClient()
 
 	subscriberConfig := &sub_client.SubscriberConfiguration{
 		ConsumerGroup:           "test",
diff --git a/weed/mq/client/cmd/weed_sub_record/subscriber_record.go b/weed/mq/client/cmd/weed_sub_record/subscriber_record.go
index 674c881ba..00fe83feb 100644
--- a/weed/mq/client/cmd/weed_sub_record/subscriber_record.go
+++ b/weed/mq/client/cmd/weed_sub_record/subscriber_record.go
@@ -13,6 +13,7 @@ import (
 	"google.golang.org/protobuf/proto"
 	"strings"
 	"time"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -51,6 +52,7 @@ func FromSchemaRecordValue(recordValue *schema_pb.RecordValue) *MyRecord {
 
 func main() {
 	flag.Parse()
+	util_http.InitGlobalHttpClient()
 
 	subscriberConfig := &sub_client.SubscriberConfiguration{
 		ConsumerGroup:           "test",
diff --git a/weed/operation/chunked_file.go b/weed/operation/chunked_file.go
index c451420fe..be3e5c98e 100644
--- a/weed/operation/chunked_file.go
+++ b/weed/operation/chunked_file.go
@@ -15,6 +15,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/pb"
 	"github.com/seaweedfs/seaweedfs/weed/util"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -79,7 +80,7 @@ func (cm *ChunkManifest) DeleteChunks(masterFn GetMasterFn, usePublicUrl bool, g
 	for _, ci := range cm.Chunks {
 		fileIds = append(fileIds, ci.Fid)
 	}
-	results, err := DeleteFiles(masterFn, usePublicUrl, grpcDialOption, fileIds)
+	results, err := DeleteFileIds(masterFn, usePublicUrl, grpcDialOption, fileIds)
 	if err != nil {
 		glog.V(0).Infof("delete %+v: %v", fileIds, err)
 		return fmt.Errorf("chunk delete: %v", err)
@@ -95,7 +96,7 @@ func (cm *ChunkManifest) DeleteChunks(masterFn GetMasterFn, usePublicUrl bool, g
 }
 
 func readChunkNeedle(fileUrl string, w io.Writer, offset int64, jwt string) (written int64, e error) {
-	req, err := http.NewRequest("GET", fileUrl, nil)
+	req, err := http.NewRequest(http.MethodGet, fileUrl, nil)
 	if err != nil {
 		return written, err
 	}
@@ -103,11 +104,11 @@ func readChunkNeedle(fileUrl string, w io.Writer, offset int64, jwt string) (wri
 		req.Header.Set("Range", fmt.Sprintf("bytes=%d-", offset))
 	}
 
-	resp, err := util.Do(req)
+	resp, err := util_http.Do(req)
 	if err != nil {
 		return written, err
 	}
-	defer util.CloseResponse(resp)
+	defer util_http.CloseResponse(resp)
 
 	switch resp.StatusCode {
 	case http.StatusRequestedRangeNotSatisfiable:
diff --git a/weed/operation/delete_content.go b/weed/operation/delete_content.go
index cee80fb47..419223165 100644
--- a/weed/operation/delete_content.go
+++ b/weed/operation/delete_content.go
@@ -28,8 +28,8 @@ func ParseFileId(fid string) (vid string, key_cookie string, err error) {
 	return fid[:commaIndex], fid[commaIndex+1:], nil
 }
 
-// DeleteFiles batch deletes a list of fileIds
-func DeleteFiles(masterFn GetMasterFn, usePublicUrl bool, grpcDialOption grpc.DialOption, fileIds []string) ([]*volume_server_pb.DeleteResult, error) {
+// DeleteFileIds batch deletes a list of fileIds
+func DeleteFileIds(masterFn GetMasterFn, usePublicUrl bool, grpcDialOption grpc.DialOption, fileIds []string) ([]*volume_server_pb.DeleteResult, error) {
 
 	lookupFunc := func(vids []string) (results map[string]*LookupResult, err error) {
 		results, err = LookupVolumeIds(masterFn, grpcDialOption, vids)
@@ -43,11 +43,11 @@ func DeleteFiles(masterFn GetMasterFn, usePublicUrl bool, grpcDialOption grpc.Di
 		return
 	}
 
-	return DeleteFilesWithLookupVolumeId(grpcDialOption, fileIds, lookupFunc)
+	return DeleteFileIdsWithLookupVolumeId(grpcDialOption, fileIds, lookupFunc)
 
 }
 
-func DeleteFilesWithLookupVolumeId(grpcDialOption grpc.DialOption, fileIds []string, lookupFunc func(vid []string) (map[string]*LookupResult, error)) ([]*volume_server_pb.DeleteResult, error) {
+func DeleteFileIdsWithLookupVolumeId(grpcDialOption grpc.DialOption, fileIds []string, lookupFunc func(vid []string) (map[string]*LookupResult, error)) ([]*volume_server_pb.DeleteResult, error) {
 
 	var ret []*volume_server_pb.DeleteResult
 
@@ -102,7 +102,7 @@ func DeleteFilesWithLookupVolumeId(grpcDialOption grpc.DialOption, fileIds []str
 		go func(server pb.ServerAddress, fidList []string) {
 			defer wg.Done()
 
-			if deleteResults, deleteErr := DeleteFilesAtOneVolumeServer(server, grpcDialOption, fidList, false); deleteErr != nil {
+			if deleteResults, deleteErr := DeleteFileIdsAtOneVolumeServer(server, grpcDialOption, fidList, false); deleteErr != nil {
 				err = deleteErr
 			} else if deleteResults != nil {
 				resultChan <- deleteResults
@@ -120,8 +120,8 @@ func DeleteFilesWithLookupVolumeId(grpcDialOption grpc.DialOption, fileIds []str
 	return ret, err
 }
 
-// DeleteFilesAtOneVolumeServer deletes a list of files that is on one volume server via gRpc
-func DeleteFilesAtOneVolumeServer(volumeServer pb.ServerAddress, grpcDialOption grpc.DialOption, fileIds []string, includeCookie bool) (ret []*volume_server_pb.DeleteResult, err error) {
+// DeleteFileIdsAtOneVolumeServer deletes a list of files that is on one volume server via gRpc
+func DeleteFileIdsAtOneVolumeServer(volumeServer pb.ServerAddress, grpcDialOption grpc.DialOption, fileIds []string, includeCookie bool) (ret []*volume_server_pb.DeleteResult, err error) {
 
 	err = WithVolumeServerClient(false, volumeServer, grpcDialOption, func(volumeServerClient volume_server_pb.VolumeServerClient) error {
 
diff --git a/weed/operation/needle_parse_test.go b/weed/operation/needle_parse_test.go
index 07b0153a9..b4bac5976 100644
--- a/weed/operation/needle_parse_test.go
+++ b/weed/operation/needle_parse_test.go
@@ -38,15 +38,11 @@ If the content is already compressed, need to know the content size.
 */
 
 func TestCreateNeedleFromRequest(t *testing.T) {
-	mc := &MockClient{}
-	tmp := HttpClient
-	HttpClient = mc
-	defer func() {
-		HttpClient = tmp
-	}()
+	mockClient := &MockClient{}
+	uploader := newUploader(mockClient)
 
 	{
-		mc.needleHandling = func(n *needle.Needle, originalSize int, err error) {
+		mockClient.needleHandling = func(n *needle.Needle, originalSize int, err error) {
 			assert.Equal(t, nil, err, "upload: %v", err)
 			assert.Equal(t, "", string(n.Mime), "mime detection failed: %v", string(n.Mime))
 			assert.Equal(t, true, n.IsCompressed(), "this should be compressed")
@@ -62,7 +58,7 @@ func TestCreateNeedleFromRequest(t *testing.T) {
 			PairMap:           nil,
 			Jwt:               "",
 		}
-		uploadResult, err, data := Upload(bytes.NewReader([]byte(textContent)), uploadOption)
+		uploadResult, err, data := uploader.Upload(bytes.NewReader([]byte(textContent)), uploadOption)
 		if len(data) != len(textContent) {
 			t.Errorf("data actual %d expected %d", len(data), len(textContent))
 		}
@@ -73,7 +69,7 @@ func TestCreateNeedleFromRequest(t *testing.T) {
 	}
 
 	{
-		mc.needleHandling = func(n *needle.Needle, originalSize int, err error) {
+		mockClient.needleHandling = func(n *needle.Needle, originalSize int, err error) {
 			assert.Equal(t, nil, err, "upload: %v", err)
 			assert.Equal(t, "text/plain", string(n.Mime), "mime detection failed: %v", string(n.Mime))
 			assert.Equal(t, true, n.IsCompressed(), "this should be compressed")
@@ -90,7 +86,7 @@ func TestCreateNeedleFromRequest(t *testing.T) {
 			PairMap:           nil,
 			Jwt:               "",
 		}
-		Upload(bytes.NewReader(gzippedData), uploadOption)
+		uploader.Upload(bytes.NewReader(gzippedData), uploadOption)
 	}
 
 	/*
diff --git a/weed/operation/submit.go b/weed/operation/submit.go
index 57bd81b14..516478dbe 100644
--- a/weed/operation/submit.go
+++ b/weed/operation/submit.go
@@ -217,7 +217,13 @@ func (fi FilePart) Upload(maxMB int, masterFn GetMasterFn, usePublicUrl bool, jw
 			PairMap:           nil,
 			Jwt:               jwt,
 		}
-		ret, e, _ := Upload(fi.Reader, uploadOption)
+		
+		uploader, e := NewUploader()
+		if e != nil {
+			return 0, e
+		}
+
+		ret, e, _ := uploader.Upload(fi.Reader, uploadOption)
 		if e != nil {
 			return 0, e
 		}
@@ -239,7 +245,13 @@ func upload_one_chunk(filename string, reader io.Reader, masterFn GetMasterFn,
 		PairMap:           nil,
 		Jwt:               jwt,
 	}
-	uploadResult, uploadError, _ := Upload(reader, uploadOption)
+
+	uploader, uploaderError := NewUploader()
+	if uploaderError != nil {
+		return 0, uploaderError
+	}
+
+	uploadResult, uploadError, _ := uploader.Upload(reader, uploadOption)
 	if uploadError != nil {
 		return 0, uploadError
 	}
@@ -265,6 +277,12 @@ func upload_chunked_file_manifest(fileUrl string, manifest *ChunkManifest, jwt s
 		PairMap:           nil,
 		Jwt:               jwt,
 	}
-	_, e = UploadData(buf, uploadOption)
+	
+	uploader, e := NewUploader()
+	if e != nil {
+		return e
+	}
+
+	_, e = uploader.UploadData(buf, uploadOption)
 	return e
 }
diff --git a/weed/operation/upload_content.go b/weed/operation/upload_content.go
index a1df07d7e..8b223e769 100644
--- a/weed/operation/upload_content.go
+++ b/weed/operation/upload_content.go
@@ -9,7 +9,7 @@ import (
 	"io"
 	"mime"
 	"mime/multipart"
-	"net"
+	"sync"
 	"net/http"
 	"net/textproto"
 	"path/filepath"
@@ -21,6 +21,8 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/security"
 	"github.com/seaweedfs/seaweedfs/weed/stats"
 	"github.com/seaweedfs/seaweedfs/weed/util"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
+	util_http_client "github.com/seaweedfs/seaweedfs/weed/util/http/client"
 )
 
 type UploadOption struct {
@@ -62,29 +64,47 @@ func (uploadResult *UploadResult) ToPbFileChunk(fileId string, offset int64, tsN
 	}
 }
 
+var (
+	fileNameEscaper = strings.NewReplacer(`\`, `\\`, `"`, `\"`, "\n", "")
+	uploader *Uploader
+	uploaderErr error
+	once sync.Once
+)
+
 // HTTPClient interface for testing
 type HTTPClient interface {
 	Do(req *http.Request) (*http.Response, error)
 }
 
-var (
-	HttpClient HTTPClient
-)
+// Uploader
+type Uploader struct {
+	httpClient HTTPClient
+}
 
-func init() {
-	HttpClient = &http.Client{Transport: &http.Transport{
-		DialContext: (&net.Dialer{
-			Timeout:   10 * time.Second,
-			KeepAlive: 10 * time.Second,
-		}).DialContext,
-		MaxIdleConns:        1024,
-		MaxIdleConnsPerHost: 1024,
-	}}
+func NewUploader() (*Uploader, error) {
+	once.Do(func ()  {
+		// With Dial context
+		var httpClient *util_http_client.HTTPClient
+		httpClient, uploaderErr = util_http.NewGlobalHttpClient(util_http_client.AddDialContext)
+		if uploaderErr != nil {
+			uploaderErr = fmt.Errorf("error initializing the loader: %s", uploaderErr)
+		}
+		if httpClient != nil {
+			uploader = newUploader(httpClient)
+		}
+	})
+	return uploader, uploaderErr
+}
+
+func newUploader(httpClient HTTPClient) (*Uploader) {
+	return &Uploader{
+		httpClient: httpClient,
+	}
 }
 
 // UploadWithRetry will retry both assigning volume request and uploading content
 // The option parameter does not need to specify UploadUrl and Jwt, which will come from assigning volume.
-func UploadWithRetry(filerClient filer_pb.FilerClient, assignRequest *filer_pb.AssignVolumeRequest, uploadOption *UploadOption, genFileUrlFn func(host, fileId string) string, reader io.Reader) (fileId string, uploadResult *UploadResult, err error, data []byte) {
+func (uploader *Uploader) UploadWithRetry(filerClient filer_pb.FilerClient, assignRequest *filer_pb.AssignVolumeRequest, uploadOption *UploadOption, genFileUrlFn func(host, fileId string) string, reader io.Reader) (fileId string, uploadResult *UploadResult, err error, data []byte) {
 	doUploadFunc := func() error {
 
 		var host string
@@ -114,7 +134,7 @@ func UploadWithRetry(filerClient filer_pb.FilerClient, assignRequest *filer_pb.A
 		uploadOption.Jwt = auth
 
 		var uploadErr error
-		uploadResult, uploadErr, data = doUpload(reader, uploadOption)
+		uploadResult, uploadErr, data = uploader.doUpload(reader, uploadOption)
 		return uploadErr
 	}
 	if uploadOption.RetryForever {
@@ -130,21 +150,19 @@ func UploadWithRetry(filerClient filer_pb.FilerClient, assignRequest *filer_pb.A
 	return
 }
 
-var fileNameEscaper = strings.NewReplacer(`\`, `\\`, `"`, `\"`, "\n", "")
-
 // Upload sends a POST request to a volume server to upload the content with adjustable compression level
-func UploadData(data []byte, option *UploadOption) (uploadResult *UploadResult, err error) {
-	uploadResult, err = retriedUploadData(data, option)
+func (uploader *Uploader) UploadData(data []byte, option *UploadOption) (uploadResult *UploadResult, err error) {
+	uploadResult, err = uploader.retriedUploadData(data, option)
 	return
 }
 
 // Upload sends a POST request to a volume server to upload the content with fast compression
-func Upload(reader io.Reader, option *UploadOption) (uploadResult *UploadResult, err error, data []byte) {
-	uploadResult, err, data = doUpload(reader, option)
+func (uploader *Uploader) Upload(reader io.Reader, option *UploadOption) (uploadResult *UploadResult, err error, data []byte) {
+	uploadResult, err, data = uploader.doUpload(reader, option)
 	return
 }
 
-func doUpload(reader io.Reader, option *UploadOption) (uploadResult *UploadResult, err error, data []byte) {
+func (uploader *Uploader) doUpload(reader io.Reader, option *UploadOption) (uploadResult *UploadResult, err error, data []byte) {
 	bytesReader, ok := reader.(*util.BytesReader)
 	if ok {
 		data = bytesReader.Bytes
@@ -155,16 +173,16 @@ func doUpload(reader io.Reader, option *UploadOption) (uploadResult *UploadResul
 			return
 		}
 	}
-	uploadResult, uploadErr := retriedUploadData(data, option)
+	uploadResult, uploadErr := uploader.retriedUploadData(data, option)
 	return uploadResult, uploadErr, data
 }
 
-func retriedUploadData(data []byte, option *UploadOption) (uploadResult *UploadResult, err error) {
+func (uploader *Uploader) retriedUploadData(data []byte, option *UploadOption) (uploadResult *UploadResult, err error) {
 	for i := 0; i < 3; i++ {
 		if i > 0 {
 			time.Sleep(time.Millisecond * time.Duration(237*(i+1)))
 		}
-		uploadResult, err = doUploadData(data, option)
+		uploadResult, err = uploader.doUploadData(data, option)
 		if err == nil {
 			uploadResult.RetryCount = i
 			return
@@ -174,7 +192,7 @@ func retriedUploadData(data []byte, option *UploadOption) (uploadResult *UploadR
 	return
 }
 
-func doUploadData(data []byte, option *UploadOption) (uploadResult *UploadResult, err error) {
+func (uploader *Uploader) doUploadData(data []byte, option *UploadOption) (uploadResult *UploadResult, err error) {
 	contentIsGzipped := option.IsInputCompressed
 	shouldGzipNow := false
 	if !option.IsInputCompressed {
@@ -230,7 +248,7 @@ func doUploadData(data []byte, option *UploadOption) (uploadResult *UploadResult
 		}
 
 		// upload data
-		uploadResult, err = upload_content(func(w io.Writer) (err error) {
+		uploadResult, err = uploader.upload_content(func(w io.Writer) (err error) {
 			_, err = w.Write(encryptedData)
 			return
 		}, len(encryptedData), &UploadOption{
@@ -251,7 +269,7 @@ func doUploadData(data []byte, option *UploadOption) (uploadResult *UploadResult
 		uploadResult.Size = uint32(clearDataLen)
 	} else {
 		// upload data
-		uploadResult, err = upload_content(func(w io.Writer) (err error) {
+		uploadResult, err = uploader.upload_content(func(w io.Writer) (err error) {
 			_, err = w.Write(data)
 			return
 		}, len(data), &UploadOption{
@@ -277,7 +295,7 @@ func doUploadData(data []byte, option *UploadOption) (uploadResult *UploadResult
 	return uploadResult, err
 }
 
-func upload_content(fillBufferFunction func(w io.Writer) error, originalDataSize int, option *UploadOption) (*UploadResult, error) {
+func (uploader *Uploader) upload_content(fillBufferFunction func(w io.Writer) error, originalDataSize int, option *UploadOption) (*UploadResult, error) {
 	var body_writer *multipart.Writer
 	var reqReader *bytes.Reader
 	var buf *bytebufferpool.ByteBuffer
@@ -325,7 +343,7 @@ func upload_content(fillBufferFunction func(w io.Writer) error, originalDataSize
 	} else {
 		reqReader = bytes.NewReader(option.BytesBuffer.Bytes())
 	}
-	req, postErr := http.NewRequest("POST", option.UploadUrl, reqReader)
+	req, postErr := http.NewRequest(http.MethodPost, option.UploadUrl, reqReader)
 	if postErr != nil {
 		glog.V(1).Infof("create upload request %s: %v", option.UploadUrl, postErr)
 		return nil, fmt.Errorf("create upload request %s: %v", option.UploadUrl, postErr)
@@ -338,15 +356,15 @@ func upload_content(fillBufferFunction func(w io.Writer) error, originalDataSize
 		req.Header.Set("Authorization", "BEARER "+string(option.Jwt))
 	}
 	// print("+")
-	resp, post_err := HttpClient.Do(req)
-	defer util.CloseResponse(resp)
+	resp, post_err := uploader.httpClient.Do(req)
+	defer util_http.CloseResponse(resp)
 	if post_err != nil {
 		if strings.Contains(post_err.Error(), "connection reset by peer") ||
 			strings.Contains(post_err.Error(), "use of closed network connection") {
 			glog.V(1).Infof("repeat error upload request %s: %v", option.UploadUrl, postErr)
 			stats.FilerHandlerCounter.WithLabelValues(stats.RepeatErrorUploadContent).Inc()
-			resp, post_err = HttpClient.Do(req)
-			defer util.CloseResponse(resp)
+			resp, post_err = uploader.httpClient.Do(req)
+			defer util_http.CloseResponse(resp)
 		}
 	}
 	if post_err != nil {
diff --git a/weed/pb/filer.proto b/weed/pb/filer.proto
index b0829163c..7e948f0dc 100644
--- a/weed/pb/filer.proto
+++ b/weed/pb/filer.proto
@@ -54,6 +54,9 @@ service SeaweedFiler {
     rpc GetFilerConfiguration (GetFilerConfigurationRequest) returns (GetFilerConfigurationResponse) {
     }
 
+    rpc TraverseBfsMetadata (TraverseBfsMetadataRequest) returns (stream TraverseBfsMetadataResponse) {
+    }
+
     rpc SubscribeMetadata (SubscribeMetadataRequest) returns (stream SubscribeMetadataResponse) {
     }
 
@@ -218,6 +221,7 @@ message DeleteEntryRequest {
     bool ignore_recursive_error = 6;
     bool is_from_other_cluster = 7;
     repeated int32 signatures = 8;
+    int64 if_not_modified_after = 9;
 }
 
 message DeleteEntryResponse {
@@ -341,6 +345,8 @@ message GetFilerConfigurationResponse {
     string version = 11;
     string cluster_id = 12;
     string filer_group = 13;
+    int32 major_version = 14;
+    int32 minor_version = 15;
 }
 
 message SubscribeMetadataRequest {
@@ -360,6 +366,15 @@ message SubscribeMetadataResponse {
     int64 ts_ns = 3;
 }
 
+message TraverseBfsMetadataRequest {
+    string directory = 1;
+    repeated string excluded_prefixes = 2;
+}
+message TraverseBfsMetadataResponse {
+    string directory = 1;
+    Entry entry = 2;
+}
+
 message LogEntry {
     int64 ts_ns = 1;
     int32 partition_key_hash = 2;
diff --git a/weed/pb/filer_pb/filer.pb.go b/weed/pb/filer_pb/filer.pb.go
index 617c13c55..93e4ffd8a 100644
--- a/weed/pb/filer_pb/filer.pb.go
+++ b/weed/pb/filer_pb/filer.pb.go
@@ -1333,6 +1333,7 @@ type DeleteEntryRequest struct {
 	IgnoreRecursiveError bool    `protobuf:"varint,6,opt,name=ignore_recursive_error,json=ignoreRecursiveError,proto3" json:"ignore_recursive_error,omitempty"`
 	IsFromOtherCluster   bool    `protobuf:"varint,7,opt,name=is_from_other_cluster,json=isFromOtherCluster,proto3" json:"is_from_other_cluster,omitempty"`
 	Signatures           []int32 `protobuf:"varint,8,rep,packed,name=signatures,proto3" json:"signatures,omitempty"`
+	IfNotModifiedAfter   int64   `protobuf:"varint,9,opt,name=if_not_modified_after,json=ifNotModifiedAfter,proto3" json:"if_not_modified_after,omitempty"`
 }
 
 func (x *DeleteEntryRequest) Reset() {
@@ -1416,6 +1417,13 @@ func (x *DeleteEntryRequest) GetSignatures() []int32 {
 	return nil
 }
 
+func (x *DeleteEntryRequest) GetIfNotModifiedAfter() int64 {
+	if x != nil {
+		return x.IfNotModifiedAfter
+	}
+	return 0
+}
+
 type DeleteEntryResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -2681,6 +2689,8 @@ type GetFilerConfigurationResponse struct {
 	Version            string   `protobuf:"bytes,11,opt,name=version,proto3" json:"version,omitempty"`
 	ClusterId          string   `protobuf:"bytes,12,opt,name=cluster_id,json=clusterId,proto3" json:"cluster_id,omitempty"`
 	FilerGroup         string   `protobuf:"bytes,13,opt,name=filer_group,json=filerGroup,proto3" json:"filer_group,omitempty"`
+	MajorVersion       int32    `protobuf:"varint,14,opt,name=major_version,json=majorVersion,proto3" json:"major_version,omitempty"`
+	MinorVersion       int32    `protobuf:"varint,15,opt,name=minor_version,json=minorVersion,proto3" json:"minor_version,omitempty"`
 }
 
 func (x *GetFilerConfigurationResponse) Reset() {
@@ -2799,6 +2809,20 @@ func (x *GetFilerConfigurationResponse) GetFilerGroup() string {
 	return ""
 }
 
+func (x *GetFilerConfigurationResponse) GetMajorVersion() int32 {
+	if x != nil {
+		return x.MajorVersion
+	}
+	return 0
+}
+
+func (x *GetFilerConfigurationResponse) GetMinorVersion() int32 {
+	if x != nil {
+		return x.MinorVersion
+	}
+	return 0
+}
+
 type SubscribeMetadataRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -2973,6 +2997,116 @@ func (x *SubscribeMetadataResponse) GetTsNs() int64 {
 	return 0
 }
 
+type TraverseBfsMetadataRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Directory        string   `protobuf:"bytes,1,opt,name=directory,proto3" json:"directory,omitempty"`
+	ExcludedPrefixes []string `protobuf:"bytes,2,rep,name=excluded_prefixes,json=excludedPrefixes,proto3" json:"excluded_prefixes,omitempty"`
+}
+
+func (x *TraverseBfsMetadataRequest) Reset() {
+	*x = TraverseBfsMetadataRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_filer_proto_msgTypes[43]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *TraverseBfsMetadataRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TraverseBfsMetadataRequest) ProtoMessage() {}
+
+func (x *TraverseBfsMetadataRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_filer_proto_msgTypes[43]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use TraverseBfsMetadataRequest.ProtoReflect.Descriptor instead.
+func (*TraverseBfsMetadataRequest) Descriptor() ([]byte, []int) {
+	return file_filer_proto_rawDescGZIP(), []int{43}
+}
+
+func (x *TraverseBfsMetadataRequest) GetDirectory() string {
+	if x != nil {
+		return x.Directory
+	}
+	return ""
+}
+
+func (x *TraverseBfsMetadataRequest) GetExcludedPrefixes() []string {
+	if x != nil {
+		return x.ExcludedPrefixes
+	}
+	return nil
+}
+
+type TraverseBfsMetadataResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Directory string `protobuf:"bytes,1,opt,name=directory,proto3" json:"directory,omitempty"`
+	Entry     *Entry `protobuf:"bytes,2,opt,name=entry,proto3" json:"entry,omitempty"`
+}
+
+func (x *TraverseBfsMetadataResponse) Reset() {
+	*x = TraverseBfsMetadataResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_filer_proto_msgTypes[44]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *TraverseBfsMetadataResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TraverseBfsMetadataResponse) ProtoMessage() {}
+
+func (x *TraverseBfsMetadataResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_filer_proto_msgTypes[44]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use TraverseBfsMetadataResponse.ProtoReflect.Descriptor instead.
+func (*TraverseBfsMetadataResponse) Descriptor() ([]byte, []int) {
+	return file_filer_proto_rawDescGZIP(), []int{44}
+}
+
+func (x *TraverseBfsMetadataResponse) GetDirectory() string {
+	if x != nil {
+		return x.Directory
+	}
+	return ""
+}
+
+func (x *TraverseBfsMetadataResponse) GetEntry() *Entry {
+	if x != nil {
+		return x.Entry
+	}
+	return nil
+}
+
 type LogEntry struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -2987,7 +3121,7 @@ type LogEntry struct {
 func (x *LogEntry) Reset() {
 	*x = LogEntry{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[43]
+		mi := &file_filer_proto_msgTypes[45]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3000,7 +3134,7 @@ func (x *LogEntry) String() string {
 func (*LogEntry) ProtoMessage() {}
 
 func (x *LogEntry) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[43]
+	mi := &file_filer_proto_msgTypes[45]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3013,7 +3147,7 @@ func (x *LogEntry) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LogEntry.ProtoReflect.Descriptor instead.
 func (*LogEntry) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{43}
+	return file_filer_proto_rawDescGZIP(), []int{45}
 }
 
 func (x *LogEntry) GetTsNs() int64 {
@@ -3057,7 +3191,7 @@ type KeepConnectedRequest struct {
 func (x *KeepConnectedRequest) Reset() {
 	*x = KeepConnectedRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[44]
+		mi := &file_filer_proto_msgTypes[46]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3070,7 +3204,7 @@ func (x *KeepConnectedRequest) String() string {
 func (*KeepConnectedRequest) ProtoMessage() {}
 
 func (x *KeepConnectedRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[44]
+	mi := &file_filer_proto_msgTypes[46]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3083,7 +3217,7 @@ func (x *KeepConnectedRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use KeepConnectedRequest.ProtoReflect.Descriptor instead.
 func (*KeepConnectedRequest) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{44}
+	return file_filer_proto_rawDescGZIP(), []int{46}
 }
 
 func (x *KeepConnectedRequest) GetName() string {
@@ -3116,7 +3250,7 @@ type KeepConnectedResponse struct {
 func (x *KeepConnectedResponse) Reset() {
 	*x = KeepConnectedResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[45]
+		mi := &file_filer_proto_msgTypes[47]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3129,7 +3263,7 @@ func (x *KeepConnectedResponse) String() string {
 func (*KeepConnectedResponse) ProtoMessage() {}
 
 func (x *KeepConnectedResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[45]
+	mi := &file_filer_proto_msgTypes[47]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3142,7 +3276,7 @@ func (x *KeepConnectedResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use KeepConnectedResponse.ProtoReflect.Descriptor instead.
 func (*KeepConnectedResponse) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{45}
+	return file_filer_proto_rawDescGZIP(), []int{47}
 }
 
 type LocateBrokerRequest struct {
@@ -3156,7 +3290,7 @@ type LocateBrokerRequest struct {
 func (x *LocateBrokerRequest) Reset() {
 	*x = LocateBrokerRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[46]
+		mi := &file_filer_proto_msgTypes[48]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3169,7 +3303,7 @@ func (x *LocateBrokerRequest) String() string {
 func (*LocateBrokerRequest) ProtoMessage() {}
 
 func (x *LocateBrokerRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[46]
+	mi := &file_filer_proto_msgTypes[48]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3182,7 +3316,7 @@ func (x *LocateBrokerRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LocateBrokerRequest.ProtoReflect.Descriptor instead.
 func (*LocateBrokerRequest) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{46}
+	return file_filer_proto_rawDescGZIP(), []int{48}
 }
 
 func (x *LocateBrokerRequest) GetResource() string {
@@ -3204,7 +3338,7 @@ type LocateBrokerResponse struct {
 func (x *LocateBrokerResponse) Reset() {
 	*x = LocateBrokerResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[47]
+		mi := &file_filer_proto_msgTypes[49]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3217,7 +3351,7 @@ func (x *LocateBrokerResponse) String() string {
 func (*LocateBrokerResponse) ProtoMessage() {}
 
 func (x *LocateBrokerResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[47]
+	mi := &file_filer_proto_msgTypes[49]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3230,7 +3364,7 @@ func (x *LocateBrokerResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LocateBrokerResponse.ProtoReflect.Descriptor instead.
 func (*LocateBrokerResponse) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{47}
+	return file_filer_proto_rawDescGZIP(), []int{49}
 }
 
 func (x *LocateBrokerResponse) GetFound() bool {
@@ -3261,7 +3395,7 @@ type KvGetRequest struct {
 func (x *KvGetRequest) Reset() {
 	*x = KvGetRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[48]
+		mi := &file_filer_proto_msgTypes[50]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3274,7 +3408,7 @@ func (x *KvGetRequest) String() string {
 func (*KvGetRequest) ProtoMessage() {}
 
 func (x *KvGetRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[48]
+	mi := &file_filer_proto_msgTypes[50]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3287,7 +3421,7 @@ func (x *KvGetRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use KvGetRequest.ProtoReflect.Descriptor instead.
 func (*KvGetRequest) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{48}
+	return file_filer_proto_rawDescGZIP(), []int{50}
 }
 
 func (x *KvGetRequest) GetKey() []byte {
@@ -3309,7 +3443,7 @@ type KvGetResponse struct {
 func (x *KvGetResponse) Reset() {
 	*x = KvGetResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[49]
+		mi := &file_filer_proto_msgTypes[51]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3322,7 +3456,7 @@ func (x *KvGetResponse) String() string {
 func (*KvGetResponse) ProtoMessage() {}
 
 func (x *KvGetResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[49]
+	mi := &file_filer_proto_msgTypes[51]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3335,7 +3469,7 @@ func (x *KvGetResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use KvGetResponse.ProtoReflect.Descriptor instead.
 func (*KvGetResponse) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{49}
+	return file_filer_proto_rawDescGZIP(), []int{51}
 }
 
 func (x *KvGetResponse) GetValue() []byte {
@@ -3364,7 +3498,7 @@ type KvPutRequest struct {
 func (x *KvPutRequest) Reset() {
 	*x = KvPutRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[50]
+		mi := &file_filer_proto_msgTypes[52]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3377,7 +3511,7 @@ func (x *KvPutRequest) String() string {
 func (*KvPutRequest) ProtoMessage() {}
 
 func (x *KvPutRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[50]
+	mi := &file_filer_proto_msgTypes[52]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3390,7 +3524,7 @@ func (x *KvPutRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use KvPutRequest.ProtoReflect.Descriptor instead.
 func (*KvPutRequest) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{50}
+	return file_filer_proto_rawDescGZIP(), []int{52}
 }
 
 func (x *KvPutRequest) GetKey() []byte {
@@ -3418,7 +3552,7 @@ type KvPutResponse struct {
 func (x *KvPutResponse) Reset() {
 	*x = KvPutResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[51]
+		mi := &file_filer_proto_msgTypes[53]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3431,7 +3565,7 @@ func (x *KvPutResponse) String() string {
 func (*KvPutResponse) ProtoMessage() {}
 
 func (x *KvPutResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[51]
+	mi := &file_filer_proto_msgTypes[53]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3444,7 +3578,7 @@ func (x *KvPutResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use KvPutResponse.ProtoReflect.Descriptor instead.
 func (*KvPutResponse) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{51}
+	return file_filer_proto_rawDescGZIP(), []int{53}
 }
 
 func (x *KvPutResponse) GetError() string {
@@ -3469,7 +3603,7 @@ type FilerConf struct {
 func (x *FilerConf) Reset() {
 	*x = FilerConf{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[52]
+		mi := &file_filer_proto_msgTypes[54]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3482,7 +3616,7 @@ func (x *FilerConf) String() string {
 func (*FilerConf) ProtoMessage() {}
 
 func (x *FilerConf) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[52]
+	mi := &file_filer_proto_msgTypes[54]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3495,7 +3629,7 @@ func (x *FilerConf) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use FilerConf.ProtoReflect.Descriptor instead.
 func (*FilerConf) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{52}
+	return file_filer_proto_rawDescGZIP(), []int{54}
 }
 
 func (x *FilerConf) GetVersion() int32 {
@@ -3527,7 +3661,7 @@ type CacheRemoteObjectToLocalClusterRequest struct {
 func (x *CacheRemoteObjectToLocalClusterRequest) Reset() {
 	*x = CacheRemoteObjectToLocalClusterRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[53]
+		mi := &file_filer_proto_msgTypes[55]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3540,7 +3674,7 @@ func (x *CacheRemoteObjectToLocalClusterRequest) String() string {
 func (*CacheRemoteObjectToLocalClusterRequest) ProtoMessage() {}
 
 func (x *CacheRemoteObjectToLocalClusterRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[53]
+	mi := &file_filer_proto_msgTypes[55]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3553,7 +3687,7 @@ func (x *CacheRemoteObjectToLocalClusterRequest) ProtoReflect() protoreflect.Mes
 
 // Deprecated: Use CacheRemoteObjectToLocalClusterRequest.ProtoReflect.Descriptor instead.
 func (*CacheRemoteObjectToLocalClusterRequest) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{53}
+	return file_filer_proto_rawDescGZIP(), []int{55}
 }
 
 func (x *CacheRemoteObjectToLocalClusterRequest) GetDirectory() string {
@@ -3581,7 +3715,7 @@ type CacheRemoteObjectToLocalClusterResponse struct {
 func (x *CacheRemoteObjectToLocalClusterResponse) Reset() {
 	*x = CacheRemoteObjectToLocalClusterResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[54]
+		mi := &file_filer_proto_msgTypes[56]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3594,7 +3728,7 @@ func (x *CacheRemoteObjectToLocalClusterResponse) String() string {
 func (*CacheRemoteObjectToLocalClusterResponse) ProtoMessage() {}
 
 func (x *CacheRemoteObjectToLocalClusterResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[54]
+	mi := &file_filer_proto_msgTypes[56]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3607,7 +3741,7 @@ func (x *CacheRemoteObjectToLocalClusterResponse) ProtoReflect() protoreflect.Me
 
 // Deprecated: Use CacheRemoteObjectToLocalClusterResponse.ProtoReflect.Descriptor instead.
 func (*CacheRemoteObjectToLocalClusterResponse) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{54}
+	return file_filer_proto_rawDescGZIP(), []int{56}
 }
 
 func (x *CacheRemoteObjectToLocalClusterResponse) GetEntry() *Entry {
@@ -3635,7 +3769,7 @@ type LockRequest struct {
 func (x *LockRequest) Reset() {
 	*x = LockRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[55]
+		mi := &file_filer_proto_msgTypes[57]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3648,7 +3782,7 @@ func (x *LockRequest) String() string {
 func (*LockRequest) ProtoMessage() {}
 
 func (x *LockRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[55]
+	mi := &file_filer_proto_msgTypes[57]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3661,7 +3795,7 @@ func (x *LockRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LockRequest.ProtoReflect.Descriptor instead.
 func (*LockRequest) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{55}
+	return file_filer_proto_rawDescGZIP(), []int{57}
 }
 
 func (x *LockRequest) GetName() string {
@@ -3713,7 +3847,7 @@ type LockResponse struct {
 func (x *LockResponse) Reset() {
 	*x = LockResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[56]
+		mi := &file_filer_proto_msgTypes[58]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3726,7 +3860,7 @@ func (x *LockResponse) String() string {
 func (*LockResponse) ProtoMessage() {}
 
 func (x *LockResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[56]
+	mi := &file_filer_proto_msgTypes[58]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3739,7 +3873,7 @@ func (x *LockResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LockResponse.ProtoReflect.Descriptor instead.
 func (*LockResponse) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{56}
+	return file_filer_proto_rawDescGZIP(), []int{58}
 }
 
 func (x *LockResponse) GetRenewToken() string {
@@ -3783,7 +3917,7 @@ type UnlockRequest struct {
 func (x *UnlockRequest) Reset() {
 	*x = UnlockRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[57]
+		mi := &file_filer_proto_msgTypes[59]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3796,7 +3930,7 @@ func (x *UnlockRequest) String() string {
 func (*UnlockRequest) ProtoMessage() {}
 
 func (x *UnlockRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[57]
+	mi := &file_filer_proto_msgTypes[59]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3809,7 +3943,7 @@ func (x *UnlockRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use UnlockRequest.ProtoReflect.Descriptor instead.
 func (*UnlockRequest) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{57}
+	return file_filer_proto_rawDescGZIP(), []int{59}
 }
 
 func (x *UnlockRequest) GetName() string {
@@ -3845,7 +3979,7 @@ type UnlockResponse struct {
 func (x *UnlockResponse) Reset() {
 	*x = UnlockResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[58]
+		mi := &file_filer_proto_msgTypes[60]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3858,7 +3992,7 @@ func (x *UnlockResponse) String() string {
 func (*UnlockResponse) ProtoMessage() {}
 
 func (x *UnlockResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[58]
+	mi := &file_filer_proto_msgTypes[60]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3871,7 +4005,7 @@ func (x *UnlockResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use UnlockResponse.ProtoReflect.Descriptor instead.
 func (*UnlockResponse) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{58}
+	return file_filer_proto_rawDescGZIP(), []int{60}
 }
 
 func (x *UnlockResponse) GetError() string {
@@ -3900,7 +4034,7 @@ type FindLockOwnerRequest struct {
 func (x *FindLockOwnerRequest) Reset() {
 	*x = FindLockOwnerRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[59]
+		mi := &file_filer_proto_msgTypes[61]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3913,7 +4047,7 @@ func (x *FindLockOwnerRequest) String() string {
 func (*FindLockOwnerRequest) ProtoMessage() {}
 
 func (x *FindLockOwnerRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[59]
+	mi := &file_filer_proto_msgTypes[61]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3926,7 +4060,7 @@ func (x *FindLockOwnerRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use FindLockOwnerRequest.ProtoReflect.Descriptor instead.
 func (*FindLockOwnerRequest) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{59}
+	return file_filer_proto_rawDescGZIP(), []int{61}
 }
 
 func (x *FindLockOwnerRequest) GetName() string {
@@ -3954,7 +4088,7 @@ type FindLockOwnerResponse struct {
 func (x *FindLockOwnerResponse) Reset() {
 	*x = FindLockOwnerResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[60]
+		mi := &file_filer_proto_msgTypes[62]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -3967,7 +4101,7 @@ func (x *FindLockOwnerResponse) String() string {
 func (*FindLockOwnerResponse) ProtoMessage() {}
 
 func (x *FindLockOwnerResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[60]
+	mi := &file_filer_proto_msgTypes[62]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -3980,7 +4114,7 @@ func (x *FindLockOwnerResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use FindLockOwnerResponse.ProtoReflect.Descriptor instead.
 func (*FindLockOwnerResponse) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{60}
+	return file_filer_proto_rawDescGZIP(), []int{62}
 }
 
 func (x *FindLockOwnerResponse) GetOwner() string {
@@ -4004,7 +4138,7 @@ type Lock struct {
 func (x *Lock) Reset() {
 	*x = Lock{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[61]
+		mi := &file_filer_proto_msgTypes[63]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -4017,7 +4151,7 @@ func (x *Lock) String() string {
 func (*Lock) ProtoMessage() {}
 
 func (x *Lock) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[61]
+	mi := &file_filer_proto_msgTypes[63]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -4030,7 +4164,7 @@ func (x *Lock) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Lock.ProtoReflect.Descriptor instead.
 func (*Lock) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{61}
+	return file_filer_proto_rawDescGZIP(), []int{63}
 }
 
 func (x *Lock) GetName() string {
@@ -4072,7 +4206,7 @@ type TransferLocksRequest struct {
 func (x *TransferLocksRequest) Reset() {
 	*x = TransferLocksRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[62]
+		mi := &file_filer_proto_msgTypes[64]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -4085,7 +4219,7 @@ func (x *TransferLocksRequest) String() string {
 func (*TransferLocksRequest) ProtoMessage() {}
 
 func (x *TransferLocksRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[62]
+	mi := &file_filer_proto_msgTypes[64]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -4098,7 +4232,7 @@ func (x *TransferLocksRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use TransferLocksRequest.ProtoReflect.Descriptor instead.
 func (*TransferLocksRequest) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{62}
+	return file_filer_proto_rawDescGZIP(), []int{64}
 }
 
 func (x *TransferLocksRequest) GetLocks() []*Lock {
@@ -4117,7 +4251,7 @@ type TransferLocksResponse struct {
 func (x *TransferLocksResponse) Reset() {
 	*x = TransferLocksResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[63]
+		mi := &file_filer_proto_msgTypes[65]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -4130,7 +4264,7 @@ func (x *TransferLocksResponse) String() string {
 func (*TransferLocksResponse) ProtoMessage() {}
 
 func (x *TransferLocksResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[63]
+	mi := &file_filer_proto_msgTypes[65]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -4143,7 +4277,7 @@ func (x *TransferLocksResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use TransferLocksResponse.ProtoReflect.Descriptor instead.
 func (*TransferLocksResponse) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{63}
+	return file_filer_proto_rawDescGZIP(), []int{65}
 }
 
 // if found, send the exact address
@@ -4160,7 +4294,7 @@ type LocateBrokerResponse_Resource struct {
 func (x *LocateBrokerResponse_Resource) Reset() {
 	*x = LocateBrokerResponse_Resource{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[66]
+		mi := &file_filer_proto_msgTypes[68]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -4173,7 +4307,7 @@ func (x *LocateBrokerResponse_Resource) String() string {
 func (*LocateBrokerResponse_Resource) ProtoMessage() {}
 
 func (x *LocateBrokerResponse_Resource) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[66]
+	mi := &file_filer_proto_msgTypes[68]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -4186,7 +4320,7 @@ func (x *LocateBrokerResponse_Resource) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LocateBrokerResponse_Resource.ProtoReflect.Descriptor instead.
 func (*LocateBrokerResponse_Resource) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{47, 0}
+	return file_filer_proto_rawDescGZIP(), []int{49, 0}
 }
 
 func (x *LocateBrokerResponse_Resource) GetGrpcAddresses() string {
@@ -4226,7 +4360,7 @@ type FilerConf_PathConf struct {
 func (x *FilerConf_PathConf) Reset() {
 	*x = FilerConf_PathConf{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_filer_proto_msgTypes[67]
+		mi := &file_filer_proto_msgTypes[69]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -4239,7 +4373,7 @@ func (x *FilerConf_PathConf) String() string {
 func (*FilerConf_PathConf) ProtoMessage() {}
 
 func (x *FilerConf_PathConf) ProtoReflect() protoreflect.Message {
-	mi := &file_filer_proto_msgTypes[67]
+	mi := &file_filer_proto_msgTypes[69]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -4252,7 +4386,7 @@ func (x *FilerConf_PathConf) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use FilerConf_PathConf.ProtoReflect.Descriptor instead.
 func (*FilerConf_PathConf) Descriptor() ([]byte, []int) {
-	return file_filer_proto_rawDescGZIP(), []int{52, 0}
+	return file_filer_proto_rawDescGZIP(), []int{54, 0}
 }
 
 func (x *FilerConf_PathConf) GetLocationPrefix() string {
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 }
 
 var (
@@ -5044,7 +5205,7 @@ func file_filer_proto_rawDescGZIP() []byte {
 	return file_filer_proto_rawDescData
 }
 
-var file_filer_proto_msgTypes = make([]protoimpl.MessageInfo, 68)
+var file_filer_proto_msgTypes = make([]protoimpl.MessageInfo, 70)
 var file_filer_proto_goTypes = []interface{}{
 	(*LookupDirectoryEntryRequest)(nil),             // 0: filer_pb.LookupDirectoryEntryRequest
 	(*LookupDirectoryEntryResponse)(nil),            // 1: filer_pb.LookupDirectoryEntryResponse
@@ -5089,38 +5250,40 @@ var file_filer_proto_goTypes = []interface{}{
 	(*GetFilerConfigurationResponse)(nil),           // 40: filer_pb.GetFilerConfigurationResponse
 	(*SubscribeMetadataRequest)(nil),                // 41: filer_pb.SubscribeMetadataRequest
 	(*SubscribeMetadataResponse)(nil),               // 42: filer_pb.SubscribeMetadataResponse
-	(*LogEntry)(nil),                                // 43: filer_pb.LogEntry
-	(*KeepConnectedRequest)(nil),                    // 44: filer_pb.KeepConnectedRequest
-	(*KeepConnectedResponse)(nil),                   // 45: filer_pb.KeepConnectedResponse
-	(*LocateBrokerRequest)(nil),                     // 46: filer_pb.LocateBrokerRequest
-	(*LocateBrokerResponse)(nil),                    // 47: filer_pb.LocateBrokerResponse
-	(*KvGetRequest)(nil),                            // 48: filer_pb.KvGetRequest
-	(*KvGetResponse)(nil),                           // 49: filer_pb.KvGetResponse
-	(*KvPutRequest)(nil),                            // 50: filer_pb.KvPutRequest
-	(*KvPutResponse)(nil),                           // 51: filer_pb.KvPutResponse
-	(*FilerConf)(nil),                               // 52: filer_pb.FilerConf
-	(*CacheRemoteObjectToLocalClusterRequest)(nil),  // 53: filer_pb.CacheRemoteObjectToLocalClusterRequest
-	(*CacheRemoteObjectToLocalClusterResponse)(nil), // 54: filer_pb.CacheRemoteObjectToLocalClusterResponse
-	(*LockRequest)(nil),                             // 55: filer_pb.LockRequest
-	(*LockResponse)(nil),                            // 56: filer_pb.LockResponse
-	(*UnlockRequest)(nil),                           // 57: filer_pb.UnlockRequest
-	(*UnlockResponse)(nil),                          // 58: filer_pb.UnlockResponse
-	(*FindLockOwnerRequest)(nil),                    // 59: filer_pb.FindLockOwnerRequest
-	(*FindLockOwnerResponse)(nil),                   // 60: filer_pb.FindLockOwnerResponse
-	(*Lock)(nil),                                    // 61: filer_pb.Lock
-	(*TransferLocksRequest)(nil),                    // 62: filer_pb.TransferLocksRequest
-	(*TransferLocksResponse)(nil),                   // 63: filer_pb.TransferLocksResponse
-	nil,                                             // 64: filer_pb.Entry.ExtendedEntry
-	nil,                                             // 65: filer_pb.LookupVolumeResponse.LocationsMapEntry
-	(*LocateBrokerResponse_Resource)(nil),           // 66: filer_pb.LocateBrokerResponse.Resource
-	(*FilerConf_PathConf)(nil),                      // 67: filer_pb.FilerConf.PathConf
+	(*TraverseBfsMetadataRequest)(nil),              // 43: filer_pb.TraverseBfsMetadataRequest
+	(*TraverseBfsMetadataResponse)(nil),             // 44: filer_pb.TraverseBfsMetadataResponse
+	(*LogEntry)(nil),                                // 45: filer_pb.LogEntry
+	(*KeepConnectedRequest)(nil),                    // 46: filer_pb.KeepConnectedRequest
+	(*KeepConnectedResponse)(nil),                   // 47: filer_pb.KeepConnectedResponse
+	(*LocateBrokerRequest)(nil),                     // 48: filer_pb.LocateBrokerRequest
+	(*LocateBrokerResponse)(nil),                    // 49: filer_pb.LocateBrokerResponse
+	(*KvGetRequest)(nil),                            // 50: filer_pb.KvGetRequest
+	(*KvGetResponse)(nil),                           // 51: filer_pb.KvGetResponse
+	(*KvPutRequest)(nil),                            // 52: filer_pb.KvPutRequest
+	(*KvPutResponse)(nil),                           // 53: filer_pb.KvPutResponse
+	(*FilerConf)(nil),                               // 54: filer_pb.FilerConf
+	(*CacheRemoteObjectToLocalClusterRequest)(nil),  // 55: filer_pb.CacheRemoteObjectToLocalClusterRequest
+	(*CacheRemoteObjectToLocalClusterResponse)(nil), // 56: filer_pb.CacheRemoteObjectToLocalClusterResponse
+	(*LockRequest)(nil),                             // 57: filer_pb.LockRequest
+	(*LockResponse)(nil),                            // 58: filer_pb.LockResponse
+	(*UnlockRequest)(nil),                           // 59: filer_pb.UnlockRequest
+	(*UnlockResponse)(nil),                          // 60: filer_pb.UnlockResponse
+	(*FindLockOwnerRequest)(nil),                    // 61: filer_pb.FindLockOwnerRequest
+	(*FindLockOwnerResponse)(nil),                   // 62: filer_pb.FindLockOwnerResponse
+	(*Lock)(nil),                                    // 63: filer_pb.Lock
+	(*TransferLocksRequest)(nil),                    // 64: filer_pb.TransferLocksRequest
+	(*TransferLocksResponse)(nil),                   // 65: filer_pb.TransferLocksResponse
+	nil,                                             // 66: filer_pb.Entry.ExtendedEntry
+	nil,                                             // 67: filer_pb.LookupVolumeResponse.LocationsMapEntry
+	(*LocateBrokerResponse_Resource)(nil),           // 68: filer_pb.LocateBrokerResponse.Resource
+	(*FilerConf_PathConf)(nil),                      // 69: filer_pb.FilerConf.PathConf
 }
 var file_filer_proto_depIdxs = []int32{
 	5,  // 0: filer_pb.LookupDirectoryEntryResponse.entry:type_name -> filer_pb.Entry
 	5,  // 1: filer_pb.ListEntriesResponse.entry:type_name -> filer_pb.Entry
 	8,  // 2: filer_pb.Entry.chunks:type_name -> filer_pb.FileChunk
 	11, // 3: filer_pb.Entry.attributes:type_name -> filer_pb.FuseAttributes
-	64, // 4: filer_pb.Entry.extended:type_name -> filer_pb.Entry.ExtendedEntry
+	66, // 4: filer_pb.Entry.extended:type_name -> filer_pb.Entry.ExtendedEntry
 	4,  // 5: filer_pb.Entry.remote_entry:type_name -> filer_pb.RemoteEntry
 	5,  // 6: filer_pb.FullEntry.entry:type_name -> filer_pb.Entry
 	5,  // 7: filer_pb.EventNotification.old_entry:type_name -> filer_pb.Entry
@@ -5134,67 +5297,70 @@ var file_filer_proto_depIdxs = []int32{
 	7,  // 15: filer_pb.StreamRenameEntryResponse.event_notification:type_name -> filer_pb.EventNotification
 	28, // 16: filer_pb.AssignVolumeResponse.location:type_name -> filer_pb.Location
 	28, // 17: filer_pb.Locations.locations:type_name -> filer_pb.Location
-	65, // 18: filer_pb.LookupVolumeResponse.locations_map:type_name -> filer_pb.LookupVolumeResponse.LocationsMapEntry
+	67, // 18: filer_pb.LookupVolumeResponse.locations_map:type_name -> filer_pb.LookupVolumeResponse.LocationsMapEntry
 	30, // 19: filer_pb.CollectionListResponse.collections:type_name -> filer_pb.Collection
 	7,  // 20: filer_pb.SubscribeMetadataResponse.event_notification:type_name -> filer_pb.EventNotification
-	66, // 21: filer_pb.LocateBrokerResponse.resources:type_name -> filer_pb.LocateBrokerResponse.Resource
-	67, // 22: filer_pb.FilerConf.locations:type_name -> filer_pb.FilerConf.PathConf
-	5,  // 23: filer_pb.CacheRemoteObjectToLocalClusterResponse.entry:type_name -> filer_pb.Entry
-	61, // 24: filer_pb.TransferLocksRequest.locks:type_name -> filer_pb.Lock
-	27, // 25: filer_pb.LookupVolumeResponse.LocationsMapEntry.value:type_name -> filer_pb.Locations
-	0,  // 26: filer_pb.SeaweedFiler.LookupDirectoryEntry:input_type -> filer_pb.LookupDirectoryEntryRequest
-	2,  // 27: filer_pb.SeaweedFiler.ListEntries:input_type -> filer_pb.ListEntriesRequest
-	12, // 28: filer_pb.SeaweedFiler.CreateEntry:input_type -> filer_pb.CreateEntryRequest
-	14, // 29: filer_pb.SeaweedFiler.UpdateEntry:input_type -> filer_pb.UpdateEntryRequest
-	16, // 30: filer_pb.SeaweedFiler.AppendToEntry:input_type -> filer_pb.AppendToEntryRequest
-	18, // 31: filer_pb.SeaweedFiler.DeleteEntry:input_type -> filer_pb.DeleteEntryRequest
-	20, // 32: filer_pb.SeaweedFiler.AtomicRenameEntry:input_type -> filer_pb.AtomicRenameEntryRequest
-	22, // 33: filer_pb.SeaweedFiler.StreamRenameEntry:input_type -> filer_pb.StreamRenameEntryRequest
-	24, // 34: filer_pb.SeaweedFiler.AssignVolume:input_type -> filer_pb.AssignVolumeRequest
-	26, // 35: filer_pb.SeaweedFiler.LookupVolume:input_type -> filer_pb.LookupVolumeRequest
-	31, // 36: filer_pb.SeaweedFiler.CollectionList:input_type -> filer_pb.CollectionListRequest
-	33, // 37: filer_pb.SeaweedFiler.DeleteCollection:input_type -> filer_pb.DeleteCollectionRequest
-	35, // 38: filer_pb.SeaweedFiler.Statistics:input_type -> filer_pb.StatisticsRequest
-	37, // 39: filer_pb.SeaweedFiler.Ping:input_type -> filer_pb.PingRequest
-	39, // 40: filer_pb.SeaweedFiler.GetFilerConfiguration:input_type -> filer_pb.GetFilerConfigurationRequest
-	41, // 41: filer_pb.SeaweedFiler.SubscribeMetadata:input_type -> filer_pb.SubscribeMetadataRequest
-	41, // 42: filer_pb.SeaweedFiler.SubscribeLocalMetadata:input_type -> filer_pb.SubscribeMetadataRequest
-	48, // 43: filer_pb.SeaweedFiler.KvGet:input_type -> filer_pb.KvGetRequest
-	50, // 44: filer_pb.SeaweedFiler.KvPut:input_type -> filer_pb.KvPutRequest
-	53, // 45: filer_pb.SeaweedFiler.CacheRemoteObjectToLocalCluster:input_type -> filer_pb.CacheRemoteObjectToLocalClusterRequest
-	55, // 46: filer_pb.SeaweedFiler.DistributedLock:input_type -> filer_pb.LockRequest
-	57, // 47: filer_pb.SeaweedFiler.DistributedUnlock:input_type -> filer_pb.UnlockRequest
-	59, // 48: filer_pb.SeaweedFiler.FindLockOwner:input_type -> filer_pb.FindLockOwnerRequest
-	62, // 49: filer_pb.SeaweedFiler.TransferLocks:input_type -> filer_pb.TransferLocksRequest
-	1,  // 50: filer_pb.SeaweedFiler.LookupDirectoryEntry:output_type -> filer_pb.LookupDirectoryEntryResponse
-	3,  // 51: filer_pb.SeaweedFiler.ListEntries:output_type -> filer_pb.ListEntriesResponse
-	13, // 52: filer_pb.SeaweedFiler.CreateEntry:output_type -> filer_pb.CreateEntryResponse
-	15, // 53: filer_pb.SeaweedFiler.UpdateEntry:output_type -> filer_pb.UpdateEntryResponse
-	17, // 54: filer_pb.SeaweedFiler.AppendToEntry:output_type -> filer_pb.AppendToEntryResponse
-	19, // 55: filer_pb.SeaweedFiler.DeleteEntry:output_type -> filer_pb.DeleteEntryResponse
-	21, // 56: filer_pb.SeaweedFiler.AtomicRenameEntry:output_type -> filer_pb.AtomicRenameEntryResponse
-	23, // 57: filer_pb.SeaweedFiler.StreamRenameEntry:output_type -> filer_pb.StreamRenameEntryResponse
-	25, // 58: filer_pb.SeaweedFiler.AssignVolume:output_type -> filer_pb.AssignVolumeResponse
-	29, // 59: filer_pb.SeaweedFiler.LookupVolume:output_type -> filer_pb.LookupVolumeResponse
-	32, // 60: filer_pb.SeaweedFiler.CollectionList:output_type -> filer_pb.CollectionListResponse
-	34, // 61: filer_pb.SeaweedFiler.DeleteCollection:output_type -> filer_pb.DeleteCollectionResponse
-	36, // 62: filer_pb.SeaweedFiler.Statistics:output_type -> filer_pb.StatisticsResponse
-	38, // 63: filer_pb.SeaweedFiler.Ping:output_type -> filer_pb.PingResponse
-	40, // 64: filer_pb.SeaweedFiler.GetFilerConfiguration:output_type -> filer_pb.GetFilerConfigurationResponse
-	42, // 65: filer_pb.SeaweedFiler.SubscribeMetadata:output_type -> filer_pb.SubscribeMetadataResponse
-	42, // 66: filer_pb.SeaweedFiler.SubscribeLocalMetadata:output_type -> filer_pb.SubscribeMetadataResponse
-	49, // 67: filer_pb.SeaweedFiler.KvGet:output_type -> filer_pb.KvGetResponse
-	51, // 68: filer_pb.SeaweedFiler.KvPut:output_type -> filer_pb.KvPutResponse
-	54, // 69: filer_pb.SeaweedFiler.CacheRemoteObjectToLocalCluster:output_type -> filer_pb.CacheRemoteObjectToLocalClusterResponse
-	56, // 70: filer_pb.SeaweedFiler.DistributedLock:output_type -> filer_pb.LockResponse
-	58, // 71: filer_pb.SeaweedFiler.DistributedUnlock:output_type -> filer_pb.UnlockResponse
-	60, // 72: filer_pb.SeaweedFiler.FindLockOwner:output_type -> filer_pb.FindLockOwnerResponse
-	63, // 73: filer_pb.SeaweedFiler.TransferLocks:output_type -> filer_pb.TransferLocksResponse
-	50, // [50:74] is the sub-list for method output_type
-	26, // [26:50] is the sub-list for method input_type
-	26, // [26:26] is the sub-list for extension type_name
-	26, // [26:26] is the sub-list for extension extendee
-	0,  // [0:26] is the sub-list for field type_name
+	5,  // 21: filer_pb.TraverseBfsMetadataResponse.entry:type_name -> filer_pb.Entry
+	68, // 22: filer_pb.LocateBrokerResponse.resources:type_name -> filer_pb.LocateBrokerResponse.Resource
+	69, // 23: filer_pb.FilerConf.locations:type_name -> filer_pb.FilerConf.PathConf
+	5,  // 24: filer_pb.CacheRemoteObjectToLocalClusterResponse.entry:type_name -> filer_pb.Entry
+	63, // 25: filer_pb.TransferLocksRequest.locks:type_name -> filer_pb.Lock
+	27, // 26: filer_pb.LookupVolumeResponse.LocationsMapEntry.value:type_name -> filer_pb.Locations
+	0,  // 27: filer_pb.SeaweedFiler.LookupDirectoryEntry:input_type -> filer_pb.LookupDirectoryEntryRequest
+	2,  // 28: filer_pb.SeaweedFiler.ListEntries:input_type -> filer_pb.ListEntriesRequest
+	12, // 29: filer_pb.SeaweedFiler.CreateEntry:input_type -> filer_pb.CreateEntryRequest
+	14, // 30: filer_pb.SeaweedFiler.UpdateEntry:input_type -> filer_pb.UpdateEntryRequest
+	16, // 31: filer_pb.SeaweedFiler.AppendToEntry:input_type -> filer_pb.AppendToEntryRequest
+	18, // 32: filer_pb.SeaweedFiler.DeleteEntry:input_type -> filer_pb.DeleteEntryRequest
+	20, // 33: filer_pb.SeaweedFiler.AtomicRenameEntry:input_type -> filer_pb.AtomicRenameEntryRequest
+	22, // 34: filer_pb.SeaweedFiler.StreamRenameEntry:input_type -> filer_pb.StreamRenameEntryRequest
+	24, // 35: filer_pb.SeaweedFiler.AssignVolume:input_type -> filer_pb.AssignVolumeRequest
+	26, // 36: filer_pb.SeaweedFiler.LookupVolume:input_type -> filer_pb.LookupVolumeRequest
+	31, // 37: filer_pb.SeaweedFiler.CollectionList:input_type -> filer_pb.CollectionListRequest
+	33, // 38: filer_pb.SeaweedFiler.DeleteCollection:input_type -> filer_pb.DeleteCollectionRequest
+	35, // 39: filer_pb.SeaweedFiler.Statistics:input_type -> filer_pb.StatisticsRequest
+	37, // 40: filer_pb.SeaweedFiler.Ping:input_type -> filer_pb.PingRequest
+	39, // 41: filer_pb.SeaweedFiler.GetFilerConfiguration:input_type -> filer_pb.GetFilerConfigurationRequest
+	43, // 42: filer_pb.SeaweedFiler.TraverseBfsMetadata:input_type -> filer_pb.TraverseBfsMetadataRequest
+	41, // 43: filer_pb.SeaweedFiler.SubscribeMetadata:input_type -> filer_pb.SubscribeMetadataRequest
+	41, // 44: filer_pb.SeaweedFiler.SubscribeLocalMetadata:input_type -> filer_pb.SubscribeMetadataRequest
+	50, // 45: filer_pb.SeaweedFiler.KvGet:input_type -> filer_pb.KvGetRequest
+	52, // 46: filer_pb.SeaweedFiler.KvPut:input_type -> filer_pb.KvPutRequest
+	55, // 47: filer_pb.SeaweedFiler.CacheRemoteObjectToLocalCluster:input_type -> filer_pb.CacheRemoteObjectToLocalClusterRequest
+	57, // 48: filer_pb.SeaweedFiler.DistributedLock:input_type -> filer_pb.LockRequest
+	59, // 49: filer_pb.SeaweedFiler.DistributedUnlock:input_type -> filer_pb.UnlockRequest
+	61, // 50: filer_pb.SeaweedFiler.FindLockOwner:input_type -> filer_pb.FindLockOwnerRequest
+	64, // 51: filer_pb.SeaweedFiler.TransferLocks:input_type -> filer_pb.TransferLocksRequest
+	1,  // 52: filer_pb.SeaweedFiler.LookupDirectoryEntry:output_type -> filer_pb.LookupDirectoryEntryResponse
+	3,  // 53: filer_pb.SeaweedFiler.ListEntries:output_type -> filer_pb.ListEntriesResponse
+	13, // 54: filer_pb.SeaweedFiler.CreateEntry:output_type -> filer_pb.CreateEntryResponse
+	15, // 55: filer_pb.SeaweedFiler.UpdateEntry:output_type -> filer_pb.UpdateEntryResponse
+	17, // 56: filer_pb.SeaweedFiler.AppendToEntry:output_type -> filer_pb.AppendToEntryResponse
+	19, // 57: filer_pb.SeaweedFiler.DeleteEntry:output_type -> filer_pb.DeleteEntryResponse
+	21, // 58: filer_pb.SeaweedFiler.AtomicRenameEntry:output_type -> filer_pb.AtomicRenameEntryResponse
+	23, // 59: filer_pb.SeaweedFiler.StreamRenameEntry:output_type -> filer_pb.StreamRenameEntryResponse
+	25, // 60: filer_pb.SeaweedFiler.AssignVolume:output_type -> filer_pb.AssignVolumeResponse
+	29, // 61: filer_pb.SeaweedFiler.LookupVolume:output_type -> filer_pb.LookupVolumeResponse
+	32, // 62: filer_pb.SeaweedFiler.CollectionList:output_type -> filer_pb.CollectionListResponse
+	34, // 63: filer_pb.SeaweedFiler.DeleteCollection:output_type -> filer_pb.DeleteCollectionResponse
+	36, // 64: filer_pb.SeaweedFiler.Statistics:output_type -> filer_pb.StatisticsResponse
+	38, // 65: filer_pb.SeaweedFiler.Ping:output_type -> filer_pb.PingResponse
+	40, // 66: filer_pb.SeaweedFiler.GetFilerConfiguration:output_type -> filer_pb.GetFilerConfigurationResponse
+	44, // 67: filer_pb.SeaweedFiler.TraverseBfsMetadata:output_type -> filer_pb.TraverseBfsMetadataResponse
+	42, // 68: filer_pb.SeaweedFiler.SubscribeMetadata:output_type -> filer_pb.SubscribeMetadataResponse
+	42, // 69: filer_pb.SeaweedFiler.SubscribeLocalMetadata:output_type -> filer_pb.SubscribeMetadataResponse
+	51, // 70: filer_pb.SeaweedFiler.KvGet:output_type -> filer_pb.KvGetResponse
+	53, // 71: filer_pb.SeaweedFiler.KvPut:output_type -> filer_pb.KvPutResponse
+	56, // 72: filer_pb.SeaweedFiler.CacheRemoteObjectToLocalCluster:output_type -> filer_pb.CacheRemoteObjectToLocalClusterResponse
+	58, // 73: filer_pb.SeaweedFiler.DistributedLock:output_type -> filer_pb.LockResponse
+	60, // 74: filer_pb.SeaweedFiler.DistributedUnlock:output_type -> filer_pb.UnlockResponse
+	62, // 75: filer_pb.SeaweedFiler.FindLockOwner:output_type -> filer_pb.FindLockOwnerResponse
+	65, // 76: filer_pb.SeaweedFiler.TransferLocks:output_type -> filer_pb.TransferLocksResponse
+	52, // [52:77] is the sub-list for method output_type
+	27, // [27:52] is the sub-list for method input_type
+	27, // [27:27] is the sub-list for extension type_name
+	27, // [27:27] is the sub-list for extension extendee
+	0,  // [0:27] is the sub-list for field type_name
 }
 
 func init() { file_filer_proto_init() }
@@ -5720,7 +5886,7 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[43].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LogEntry); i {
+			switch v := v.(*TraverseBfsMetadataRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5732,7 +5898,7 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[44].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*KeepConnectedRequest); i {
+			switch v := v.(*TraverseBfsMetadataResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5744,7 +5910,7 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[45].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*KeepConnectedResponse); i {
+			switch v := v.(*LogEntry); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5756,7 +5922,7 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[46].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LocateBrokerRequest); i {
+			switch v := v.(*KeepConnectedRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5768,7 +5934,7 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[47].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LocateBrokerResponse); i {
+			switch v := v.(*KeepConnectedResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5780,7 +5946,7 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[48].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*KvGetRequest); i {
+			switch v := v.(*LocateBrokerRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5792,7 +5958,7 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[49].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*KvGetResponse); i {
+			switch v := v.(*LocateBrokerResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5804,7 +5970,7 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[50].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*KvPutRequest); i {
+			switch v := v.(*KvGetRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5816,7 +5982,7 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[51].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*KvPutResponse); i {
+			switch v := v.(*KvGetResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5828,7 +5994,7 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[52].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*FilerConf); i {
+			switch v := v.(*KvPutRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5840,7 +6006,7 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[53].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CacheRemoteObjectToLocalClusterRequest); i {
+			switch v := v.(*KvPutResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5852,7 +6018,7 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[54].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CacheRemoteObjectToLocalClusterResponse); i {
+			switch v := v.(*FilerConf); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5864,7 +6030,7 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[55].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LockRequest); i {
+			switch v := v.(*CacheRemoteObjectToLocalClusterRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5876,7 +6042,7 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[56].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LockResponse); i {
+			switch v := v.(*CacheRemoteObjectToLocalClusterResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5888,7 +6054,7 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[57].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*UnlockRequest); i {
+			switch v := v.(*LockRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5900,7 +6066,7 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[58].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*UnlockResponse); i {
+			switch v := v.(*LockResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5912,7 +6078,7 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[59].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*FindLockOwnerRequest); i {
+			switch v := v.(*UnlockRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5924,7 +6090,7 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[60].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*FindLockOwnerResponse); i {
+			switch v := v.(*UnlockResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5936,7 +6102,7 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[61].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Lock); i {
+			switch v := v.(*FindLockOwnerRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5948,7 +6114,7 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[62].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*TransferLocksRequest); i {
+			switch v := v.(*FindLockOwnerResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -5960,6 +6126,30 @@ func file_filer_proto_init() {
 			}
 		}
 		file_filer_proto_msgTypes[63].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Lock); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_filer_proto_msgTypes[64].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*TransferLocksRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_filer_proto_msgTypes[65].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*TransferLocksResponse); i {
 			case 0:
 				return &v.state
@@ -5971,7 +6161,7 @@ func file_filer_proto_init() {
 				return nil
 			}
 		}
-		file_filer_proto_msgTypes[66].Exporter = func(v interface{}, i int) interface{} {
+		file_filer_proto_msgTypes[68].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*LocateBrokerResponse_Resource); i {
 			case 0:
 				return &v.state
@@ -5983,7 +6173,7 @@ func file_filer_proto_init() {
 				return nil
 			}
 		}
-		file_filer_proto_msgTypes[67].Exporter = func(v interface{}, i int) interface{} {
+		file_filer_proto_msgTypes[69].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*FilerConf_PathConf); i {
 			case 0:
 				return &v.state
@@ -6002,7 +6192,7 @@ func file_filer_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_filer_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   68,
+			NumMessages:   70,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/weed/pb/filer_pb/filer_client_bfs.go b/weed/pb/filer_pb/filer_client_bfs.go
index cb9367a7d..046920940 100644
--- a/weed/pb/filer_pb/filer_client_bfs.go
+++ b/weed/pb/filer_pb/filer_client_bfs.go
@@ -1,7 +1,10 @@
 package filer_pb
 
 import (
+	"context"
 	"fmt"
+	"github.com/seaweedfs/seaweedfs/weed/glog"
+	"io"
 	"sync"
 	"time"
 
@@ -12,7 +15,7 @@ func TraverseBfs(filerClient FilerClient, parentPath util.FullPath, fn func(pare
 	K := 5
 
 	var jobQueueWg sync.WaitGroup
-	queue := util.NewQueue()
+	queue := util.NewQueue[util.FullPath]()
 	jobQueueWg.Add(1)
 	queue.Enqueue(parentPath)
 	terminates := make([]chan bool, K)
@@ -26,11 +29,11 @@ func TraverseBfs(filerClient FilerClient, parentPath util.FullPath, fn func(pare
 					return
 				default:
 					t := queue.Dequeue()
-					if t == nil {
+					if t == "" {
 						time.Sleep(329 * time.Millisecond)
 						continue
 					}
-					dir := t.(util.FullPath)
+					dir := t
 					processErr := processOneDirectory(filerClient, dir, queue, &jobQueueWg, fn)
 					if processErr != nil {
 						err = processErr
@@ -47,7 +50,7 @@ func TraverseBfs(filerClient FilerClient, parentPath util.FullPath, fn func(pare
 	return
 }
 
-func processOneDirectory(filerClient FilerClient, parentPath util.FullPath, queue *util.Queue, jobQueueWg *sync.WaitGroup, fn func(parentPath util.FullPath, entry *Entry)) (err error) {
+func processOneDirectory(filerClient FilerClient, parentPath util.FullPath, queue *util.Queue[util.FullPath], jobQueueWg *sync.WaitGroup, fn func(parentPath util.FullPath, entry *Entry)) (err error) {
 
 	return ReadDirAllEntries(filerClient, parentPath, "", func(entry *Entry, isLast bool) error {
 
@@ -65,3 +68,28 @@ func processOneDirectory(filerClient FilerClient, parentPath util.FullPath, queu
 	})
 
 }
+
+func StreamBfs(client SeaweedFilerClient, dir util.FullPath, olderThanTsNs int64, fn func(parentPath util.FullPath, entry *Entry)error) (err error) {
+	glog.V(0).Infof("TraverseBfsMetadata %v if before %v", dir, time.Unix(0, olderThanTsNs))
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	stream, err := client.TraverseBfsMetadata(ctx, &TraverseBfsMetadataRequest{
+		Directory: string(dir),
+	})
+	if err != nil {
+		return fmt.Errorf("traverse bfs metadata: %v", err)
+	}
+	for {
+		resp, err := stream.Recv()
+		if err != nil {
+			if err == io.EOF {
+				break
+			}
+			return fmt.Errorf("traverse bfs metadata: %v", err)
+		}
+		if err := fn(util.FullPath(resp.Directory),  resp.Entry); err != nil {
+			return err
+		}
+	}
+	return nil
+}
diff --git a/weed/pb/filer_pb/filer_grpc.pb.go b/weed/pb/filer_pb/filer_grpc.pb.go
index ae1564f43..87b8de33d 100644
--- a/weed/pb/filer_pb/filer_grpc.pb.go
+++ b/weed/pb/filer_pb/filer_grpc.pb.go
@@ -34,6 +34,7 @@ const (
 	SeaweedFiler_Statistics_FullMethodName                      = "/filer_pb.SeaweedFiler/Statistics"
 	SeaweedFiler_Ping_FullMethodName                            = "/filer_pb.SeaweedFiler/Ping"
 	SeaweedFiler_GetFilerConfiguration_FullMethodName           = "/filer_pb.SeaweedFiler/GetFilerConfiguration"
+	SeaweedFiler_TraverseBfsMetadata_FullMethodName             = "/filer_pb.SeaweedFiler/TraverseBfsMetadata"
 	SeaweedFiler_SubscribeMetadata_FullMethodName               = "/filer_pb.SeaweedFiler/SubscribeMetadata"
 	SeaweedFiler_SubscribeLocalMetadata_FullMethodName          = "/filer_pb.SeaweedFiler/SubscribeLocalMetadata"
 	SeaweedFiler_KvGet_FullMethodName                           = "/filer_pb.SeaweedFiler/KvGet"
@@ -64,6 +65,7 @@ type SeaweedFilerClient interface {
 	Statistics(ctx context.Context, in *StatisticsRequest, opts ...grpc.CallOption) (*StatisticsResponse, error)
 	Ping(ctx context.Context, in *PingRequest, opts ...grpc.CallOption) (*PingResponse, error)
 	GetFilerConfiguration(ctx context.Context, in *GetFilerConfigurationRequest, opts ...grpc.CallOption) (*GetFilerConfigurationResponse, error)
+	TraverseBfsMetadata(ctx context.Context, in *TraverseBfsMetadataRequest, opts ...grpc.CallOption) (SeaweedFiler_TraverseBfsMetadataClient, error)
 	SubscribeMetadata(ctx context.Context, in *SubscribeMetadataRequest, opts ...grpc.CallOption) (SeaweedFiler_SubscribeMetadataClient, error)
 	SubscribeLocalMetadata(ctx context.Context, in *SubscribeMetadataRequest, opts ...grpc.CallOption) (SeaweedFiler_SubscribeLocalMetadataClient, error)
 	KvGet(ctx context.Context, in *KvGetRequest, opts ...grpc.CallOption) (*KvGetResponse, error)
@@ -265,8 +267,40 @@ func (c *seaweedFilerClient) GetFilerConfiguration(ctx context.Context, in *GetF
 	return out, nil
 }
 
+func (c *seaweedFilerClient) TraverseBfsMetadata(ctx context.Context, in *TraverseBfsMetadataRequest, opts ...grpc.CallOption) (SeaweedFiler_TraverseBfsMetadataClient, error) {
+	stream, err := c.cc.NewStream(ctx, &SeaweedFiler_ServiceDesc.Streams[2], SeaweedFiler_TraverseBfsMetadata_FullMethodName, opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &seaweedFilerTraverseBfsMetadataClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type SeaweedFiler_TraverseBfsMetadataClient interface {
+	Recv() (*TraverseBfsMetadataResponse, error)
+	grpc.ClientStream
+}
+
+type seaweedFilerTraverseBfsMetadataClient struct {
+	grpc.ClientStream
+}
+
+func (x *seaweedFilerTraverseBfsMetadataClient) Recv() (*TraverseBfsMetadataResponse, error) {
+	m := new(TraverseBfsMetadataResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
 func (c *seaweedFilerClient) SubscribeMetadata(ctx context.Context, in *SubscribeMetadataRequest, opts ...grpc.CallOption) (SeaweedFiler_SubscribeMetadataClient, error) {
-	stream, err := c.cc.NewStream(ctx, &SeaweedFiler_ServiceDesc.Streams[2], SeaweedFiler_SubscribeMetadata_FullMethodName, opts...)
+	stream, err := c.cc.NewStream(ctx, &SeaweedFiler_ServiceDesc.Streams[3], SeaweedFiler_SubscribeMetadata_FullMethodName, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -298,7 +332,7 @@ func (x *seaweedFilerSubscribeMetadataClient) Recv() (*SubscribeMetadataResponse
 }
 
 func (c *seaweedFilerClient) SubscribeLocalMetadata(ctx context.Context, in *SubscribeMetadataRequest, opts ...grpc.CallOption) (SeaweedFiler_SubscribeLocalMetadataClient, error) {
-	stream, err := c.cc.NewStream(ctx, &SeaweedFiler_ServiceDesc.Streams[3], SeaweedFiler_SubscribeLocalMetadata_FullMethodName, opts...)
+	stream, err := c.cc.NewStream(ctx, &SeaweedFiler_ServiceDesc.Streams[4], SeaweedFiler_SubscribeLocalMetadata_FullMethodName, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -411,6 +445,7 @@ type SeaweedFilerServer interface {
 	Statistics(context.Context, *StatisticsRequest) (*StatisticsResponse, error)
 	Ping(context.Context, *PingRequest) (*PingResponse, error)
 	GetFilerConfiguration(context.Context, *GetFilerConfigurationRequest) (*GetFilerConfigurationResponse, error)
+	TraverseBfsMetadata(*TraverseBfsMetadataRequest, SeaweedFiler_TraverseBfsMetadataServer) error
 	SubscribeMetadata(*SubscribeMetadataRequest, SeaweedFiler_SubscribeMetadataServer) error
 	SubscribeLocalMetadata(*SubscribeMetadataRequest, SeaweedFiler_SubscribeLocalMetadataServer) error
 	KvGet(context.Context, *KvGetRequest) (*KvGetResponse, error)
@@ -473,6 +508,9 @@ func (UnimplementedSeaweedFilerServer) Ping(context.Context, *PingRequest) (*Pin
 func (UnimplementedSeaweedFilerServer) GetFilerConfiguration(context.Context, *GetFilerConfigurationRequest) (*GetFilerConfigurationResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetFilerConfiguration not implemented")
 }
+func (UnimplementedSeaweedFilerServer) TraverseBfsMetadata(*TraverseBfsMetadataRequest, SeaweedFiler_TraverseBfsMetadataServer) error {
+	return status.Errorf(codes.Unimplemented, "method TraverseBfsMetadata not implemented")
+}
 func (UnimplementedSeaweedFilerServer) SubscribeMetadata(*SubscribeMetadataRequest, SeaweedFiler_SubscribeMetadataServer) error {
 	return status.Errorf(codes.Unimplemented, "method SubscribeMetadata not implemented")
 }
@@ -789,6 +827,27 @@ func _SeaweedFiler_GetFilerConfiguration_Handler(srv interface{}, ctx context.Co
 	return interceptor(ctx, in, info, handler)
 }
 
+func _SeaweedFiler_TraverseBfsMetadata_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(TraverseBfsMetadataRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(SeaweedFilerServer).TraverseBfsMetadata(m, &seaweedFilerTraverseBfsMetadataServer{stream})
+}
+
+type SeaweedFiler_TraverseBfsMetadataServer interface {
+	Send(*TraverseBfsMetadataResponse) error
+	grpc.ServerStream
+}
+
+type seaweedFilerTraverseBfsMetadataServer struct {
+	grpc.ServerStream
+}
+
+func (x *seaweedFilerTraverseBfsMetadataServer) Send(m *TraverseBfsMetadataResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
 func _SeaweedFiler_SubscribeMetadata_Handler(srv interface{}, stream grpc.ServerStream) error {
 	m := new(SubscribeMetadataRequest)
 	if err := stream.RecvMsg(m); err != nil {
@@ -1056,6 +1115,11 @@ var SeaweedFiler_ServiceDesc = grpc.ServiceDesc{
 			Handler:       _SeaweedFiler_StreamRenameEntry_Handler,
 			ServerStreams: true,
 		},
+		{
+			StreamName:    "TraverseBfsMetadata",
+			Handler:       _SeaweedFiler_TraverseBfsMetadata_Handler,
+			ServerStreams: true,
+		},
 		{
 			StreamName:    "SubscribeMetadata",
 			Handler:       _SeaweedFiler_SubscribeMetadata_Handler,
diff --git a/weed/pb/filer_pb_tail.go b/weed/pb/filer_pb_tail.go
index b54dad871..b7cca7585 100644
--- a/weed/pb/filer_pb_tail.go
+++ b/weed/pb/filer_pb_tail.go
@@ -17,6 +17,7 @@ const (
 	TrivialOnError EventErrorType = iota
 	FatalOnError
 	RetryForeverOnError
+	DontLogError
 )
 
 // MetadataFollowOption is used to control the behavior of the metadata following
@@ -96,6 +97,8 @@ func makeSubscribeMetadataFunc(option *MetadataFollowOption, processEventFn Proc
 						glog.Errorf("process %v: %v", resp, err)
 						return true
 					})
+				case DontLogError:
+					// pass
 				default:
 					glog.Errorf("process %v: %v", resp, err)
 				}
diff --git a/weed/remote_storage/traverse_bfs.go b/weed/remote_storage/traverse_bfs.go
deleted file mode 100644
index 983555f6c..000000000
--- a/weed/remote_storage/traverse_bfs.go
+++ /dev/null
@@ -1,62 +0,0 @@
-package remote_storage
-
-import (
-	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
-	"github.com/seaweedfs/seaweedfs/weed/util"
-	"sync"
-	"time"
-)
-
-type ListDirectoryFunc func(parentDir util.FullPath, visitFn VisitFunc) error
-
-func TraverseBfs(listDirFn ListDirectoryFunc, parentPath util.FullPath, visitFn VisitFunc) (err error) {
-	K := 5
-
-	var dirQueueWg sync.WaitGroup
-	dirQueue := util.NewQueue()
-	dirQueueWg.Add(1)
-	dirQueue.Enqueue(parentPath)
-	var isTerminating bool
-
-	for i := 0; i < K; i++ {
-		go func() {
-			for {
-				if isTerminating {
-					break
-				}
-				t := dirQueue.Dequeue()
-				if t == nil {
-					time.Sleep(329 * time.Millisecond)
-					continue
-				}
-				dir := t.(util.FullPath)
-				processErr := processOneDirectory(listDirFn, dir, visitFn, dirQueue, &dirQueueWg)
-				if processErr != nil {
-					err = processErr
-				}
-				dirQueueWg.Done()
-			}
-		}()
-	}
-
-	dirQueueWg.Wait()
-	isTerminating = true
-	return
-
-}
-
-func processOneDirectory(listDirFn ListDirectoryFunc, parentPath util.FullPath, visitFn VisitFunc, dirQueue *util.Queue, dirQueueWg *sync.WaitGroup) error {
-
-	return listDirFn(parentPath, func(dir string, name string, isDirectory bool, remoteEntry *filer_pb.RemoteEntry) error {
-		if err := visitFn(dir, name, isDirectory, remoteEntry); err != nil {
-			return err
-		}
-		if !isDirectory {
-			return nil
-		}
-		dirQueueWg.Add(1)
-		dirQueue.Enqueue(parentPath.Child(name))
-		return nil
-	})
-
-}
diff --git a/weed/replication/repl_util/replication_util.go b/weed/replication/repl_util/replication_util.go
index 9682ca623..4a77fd04a 100644
--- a/weed/replication/repl_util/replication_util.go
+++ b/weed/replication/repl_util/replication_util.go
@@ -4,7 +4,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/replication/source"
-	"github.com/seaweedfs/seaweedfs/weed/util"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 func CopyFromChunkViews(chunkViews *filer.IntervalList[*filer.ChunkView], filerSource *source.FilerSource, writeFunc func(data []byte) error) error {
@@ -21,7 +21,7 @@ func CopyFromChunkViews(chunkViews *filer.IntervalList[*filer.ChunkView], filerS
 		var shouldRetry bool
 
 		for _, fileUrl := range fileUrls {
-			shouldRetry, err = util.ReadUrlAsStream(fileUrl, chunk.CipherKey, chunk.IsGzipped, chunk.IsFullChunk(), chunk.OffsetInChunk, int(chunk.ViewSize), func(data []byte) {
+			shouldRetry, err = util_http.ReadUrlAsStream(fileUrl, chunk.CipherKey, chunk.IsGzipped, chunk.IsFullChunk(), chunk.OffsetInChunk, int(chunk.ViewSize), func(data []byte) {
 				writeErr = writeFunc(data)
 			})
 			if err != nil {
diff --git a/weed/replication/sink/azuresink/azure_sink.go b/weed/replication/sink/azuresink/azure_sink.go
index 9bbd7b8eb..890e68fd4 100644
--- a/weed/replication/sink/azuresink/azure_sink.go
+++ b/weed/replication/sink/azuresink/azure_sink.go
@@ -5,8 +5,10 @@ import (
 	"context"
 	"fmt"
 	"github.com/seaweedfs/seaweedfs/weed/replication/repl_util"
+	"net/http"
 	"net/url"
 	"strings"
+	"time"
 
 	"github.com/Azure/azure-storage-blob-go/azblob"
 	"github.com/seaweedfs/seaweedfs/weed/filer"
@@ -109,7 +111,16 @@ func (g *AzureSink) CreateEntry(key string, entry *filer_pb.Entry, signatures []
 	// Azure Storage account's container.
 	appendBlobURL := g.containerURL.NewAppendBlobURL(key)
 
-	_, err := appendBlobURL.Create(context.Background(), azblob.BlobHTTPHeaders{}, azblob.Metadata{}, azblob.BlobAccessConditions{}, azblob.BlobTagsMap{}, azblob.ClientProvidedKeyOptions{}, azblob.ImmutabilityPolicyOptions{})
+	accessCondition := azblob.BlobAccessConditions{}
+	if entry.Attributes!=nil && entry.Attributes.Mtime>0 {
+		accessCondition.ModifiedAccessConditions.IfUnmodifiedSince = time.Unix(entry.Attributes.Mtime, 0)
+	}
+
+	res, err := appendBlobURL.Create(context.Background(), azblob.BlobHTTPHeaders{}, azblob.Metadata{}, accessCondition, azblob.BlobTagsMap{}, azblob.ClientProvidedKeyOptions{}, azblob.ImmutabilityPolicyOptions{})
+	if res != nil && res.StatusCode() == http.StatusPreconditionFailed {
+		glog.V(0).Infof("skip overwriting %s/%s: %v", g.container, key, err)
+		return nil
+	}
 	if err != nil {
 		return err
 	}
diff --git a/weed/replication/sink/filersink/fetch_write.go b/weed/replication/sink/filersink/fetch_write.go
index 63e1226b6..4bcbc7898 100644
--- a/weed/replication/sink/filersink/fetch_write.go
+++ b/weed/replication/sink/filersink/fetch_write.go
@@ -14,6 +14,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/operation"
 	"github.com/seaweedfs/seaweedfs/weed/pb"
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 func (fs *FilerSink) replicateChunks(sourceChunks []*filer_pb.FileChunk, path string) (replicatedChunks []*filer_pb.FileChunk, err error) {
@@ -88,9 +89,15 @@ func (fs *FilerSink) fetchAndWrite(sourceChunk *filer_pb.FileChunk, path string)
 	if err != nil {
 		return "", fmt.Errorf("read part %s: %v", sourceChunk.GetFileIdString(), err)
 	}
-	defer util.CloseResponse(resp)
+	defer util_http.CloseResponse(resp)
 
-	fileId, uploadResult, err, _ := operation.UploadWithRetry(
+	uploader, err := operation.NewUploader()
+	if err != nil {
+		glog.V(0).Infof("upload source data %v: %v", sourceChunk.GetFileIdString(), err)
+		return "", fmt.Errorf("upload data: %v", err)
+	}
+
+	fileId, uploadResult, err, _ := uploader.UploadWithRetry(
 		fs,
 		&filer_pb.AssignVolumeRequest{
 			Count:       1,
diff --git a/weed/replication/sink/filersink/filer_sink.go b/weed/replication/sink/filersink/filer_sink.go
index ce2de41b9..49f6877a0 100644
--- a/weed/replication/sink/filersink/filer_sink.go
+++ b/weed/replication/sink/filersink/filer_sink.go
@@ -120,6 +120,10 @@ func (fs *FilerSink) CreateEntry(key string, entry *filer_pb.Entry, signatures [
 				glog.V(3).Infof("already replicated %s", key)
 				return nil
 			}
+			if resp.Entry.Attributes != nil && resp.Entry.Attributes.Mtime >= entry.Attributes.Mtime {
+				glog.V(3).Infof("skip overwriting %s", key)
+				return nil
+			}
 		}
 
 		replicatedChunks, err := fs.replicateChunks(entry.GetChunks(), key)
diff --git a/weed/replication/source/filer_source.go b/weed/replication/source/filer_source.go
index 167907a5a..768e251a4 100644
--- a/weed/replication/source/filer_source.go
+++ b/weed/replication/source/filer_source.go
@@ -15,6 +15,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
 	"github.com/seaweedfs/seaweedfs/weed/util"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 type ReplicationSource interface {
@@ -106,7 +107,7 @@ func (fs *FilerSource) LookupFileId(part string) (fileUrls []string, err error)
 func (fs *FilerSource) ReadPart(fileId string) (filename string, header http.Header, resp *http.Response, err error) {
 
 	if fs.proxyByFiler {
-		return util.DownloadFile("http://"+fs.address+"/?proxyChunkId="+fileId, "")
+		return util_http.DownloadFile("http://"+fs.address+"/?proxyChunkId="+fileId, "")
 	}
 
 	fileUrls, err := fs.LookupFileId(fileId)
@@ -115,7 +116,7 @@ func (fs *FilerSource) ReadPart(fileId string) (filename string, header http.Hea
 	}
 
 	for _, fileUrl := range fileUrls {
-		filename, header, resp, err = util.DownloadFile(fileUrl, "")
+		filename, header, resp, err = util_http.DownloadFile(fileUrl, "")
 		if err != nil {
 			glog.V(1).Infof("fail to read from %s: %v", fileUrl, err)
 		} else {
diff --git a/weed/s3api/AmazonS3.xsd b/weed/s3api/AmazonS3.xsd
index 8016a6a83..8a0136b44 100644
--- a/weed/s3api/AmazonS3.xsd
+++ b/weed/s3api/AmazonS3.xsd
@@ -525,6 +525,7 @@
       <xsd:element name="IsTruncated" type="xsd:boolean"/>
       <xsd:element name="Contents" type="tns:ListEntry" minOccurs="0" maxOccurs="unbounded"/>
       <xsd:element name="CommonPrefixes" type="tns:PrefixEntry" minOccurs="0" maxOccurs="unbounded"/>
+      <xsd:element name="EncodingType" type="xsd:string"/>
     </xsd:sequence>
   </xsd:complexType>
 
diff --git a/weed/s3api/README.txt b/weed/s3api/README.txt
index 10a18ff4d..f7eb1988a 100644
--- a/weed/s3api/README.txt
+++ b/weed/s3api/README.txt
@@ -1,7 +1,7 @@
 see https://blog.aqwari.net/xml-schema-go/
 
 1. go get aqwari.net/xml/cmd/xsdgen
-2. xsdgen -o s3api_xsd_generated.go -pkg s3api AmazonS3.xsd
-
-
-
+2. Add EncodingType element for ListBucketResult in AmazonS3.xsd
+3. xsdgen -o s3api_xsd_generated.go -pkg s3api AmazonS3.xsd
+4. Remove empty Grantee struct in s3api_xsd_generated.go
+5. Remove xmlns: sed s'/http:\/\/s3.amazonaws.com\/doc\/2006-03-01\/\ //' s3api_xsd_generated.go
diff --git a/weed/s3api/auto_signature_v4_test.go b/weed/s3api/auto_signature_v4_test.go
index 6ff67b5bf..bb67c35c2 100644
--- a/weed/s3api/auto_signature_v4_test.go
+++ b/weed/s3api/auto_signature_v4_test.go
@@ -43,7 +43,7 @@ func TestIsRequestPresignedSignatureV4(t *testing.T) {
 	for i, testCase := range testCases {
 		// creating an input HTTP request.
 		// Only the query parameters are relevant for this particular test.
-		inputReq, err := http.NewRequest("GET", "http://example.com", nil)
+		inputReq, err := http.NewRequest(http.MethodGet, "http://example.com", nil)
 		if err != nil {
 			t.Fatalf("Error initializing input HTTP request: %v", err)
 		}
@@ -85,9 +85,9 @@ func TestIsReqAuthenticated(t *testing.T) {
 		s3Error s3err.ErrorCode
 	}{
 		// When request is unsigned, access denied is returned.
-		{mustNewRequest("GET", "http://127.0.0.1:9000", 0, nil, t), s3err.ErrAccessDenied},
+		{mustNewRequest(http.MethodGet, "http://127.0.0.1:9000", 0, nil, t), s3err.ErrAccessDenied},
 		// When request is properly signed, error is none.
-		{mustNewSignedRequest("GET", "http://127.0.0.1:9000", 0, nil, t), s3err.ErrNone},
+		{mustNewSignedRequest(http.MethodGet, "http://127.0.0.1:9000", 0, nil, t), s3err.ErrNone},
 	}
 
 	// Validates all testcases.
@@ -117,8 +117,8 @@ func TestCheckaAnonymousRequestAuthType(t *testing.T) {
 		ErrCode s3err.ErrorCode
 		Action  Action
 	}{
-		{Request: mustNewRequest("GET", "http://127.0.0.1:9000/bucket", 0, nil, t), ErrCode: s3err.ErrNone, Action: s3_constants.ACTION_READ},
-		{Request: mustNewRequest("PUT", "http://127.0.0.1:9000/bucket", 0, nil, t), ErrCode: s3err.ErrAccessDenied, Action: s3_constants.ACTION_WRITE},
+		{Request: mustNewRequest(http.MethodGet, "http://127.0.0.1:9000/bucket", 0, nil, t), ErrCode: s3err.ErrNone, Action: s3_constants.ACTION_READ},
+		{Request: mustNewRequest(http.MethodPut, "http://127.0.0.1:9000/bucket", 0, nil, t), ErrCode: s3err.ErrAccessDenied, Action: s3_constants.ACTION_WRITE},
 	}
 	for i, testCase := range testCases {
 		_, s3Error := iam.authRequest(testCase.Request, testCase.Action)
@@ -155,9 +155,9 @@ func TestCheckAdminRequestAuthType(t *testing.T) {
 		Request *http.Request
 		ErrCode s3err.ErrorCode
 	}{
-		{Request: mustNewRequest("GET", "http://127.0.0.1:9000", 0, nil, t), ErrCode: s3err.ErrAccessDenied},
-		{Request: mustNewSignedRequest("GET", "http://127.0.0.1:9000", 0, nil, t), ErrCode: s3err.ErrNone},
-		{Request: mustNewPresignedRequest(iam, "GET", "http://127.0.0.1:9000", 0, nil, t), ErrCode: s3err.ErrNone},
+		{Request: mustNewRequest(http.MethodGet, "http://127.0.0.1:9000", 0, nil, t), ErrCode: s3err.ErrAccessDenied},
+		{Request: mustNewSignedRequest(http.MethodGet, "http://127.0.0.1:9000", 0, nil, t), ErrCode: s3err.ErrNone},
+		{Request: mustNewPresignedRequest(iam, http.MethodGet, "http://127.0.0.1:9000", 0, nil, t), ErrCode: s3err.ErrNone},
 	}
 	for i, testCase := range testCases {
 		if _, s3Error := iam.reqSignatureV4Verify(testCase.Request); s3Error != testCase.ErrCode {
@@ -214,7 +214,7 @@ func mustNewPresignedRequest(iam *IdentityAccessManagement, method string, urlSt
 // Returns new HTTP request object.
 func newTestRequest(method, urlStr string, contentLength int64, body io.ReadSeeker) (*http.Request, error) {
 	if method == "" {
-		method = "POST"
+		method = http.MethodPost
 	}
 
 	// Save for subsequent use
diff --git a/weed/s3api/s3api_acl_helper.go b/weed/s3api/s3api_acl_helper.go
index 0332b6a39..b9fb1131e 100644
--- a/weed/s3api/s3api_acl_helper.go
+++ b/weed/s3api/s3api_acl_helper.go
@@ -9,9 +9,9 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
 	"github.com/seaweedfs/seaweedfs/weed/s3api/s3_constants"
 	"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
-	"github.com/seaweedfs/seaweedfs/weed/util"
 	"net/http"
 	"strings"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 type AccountManager interface {
@@ -32,7 +32,7 @@ func GetAccountId(r *http.Request) string {
 // ExtractAcl extracts the acl from the request body, or from the header if request body is empty
 func ExtractAcl(r *http.Request, accountManager AccountManager, ownership, bucketOwnerId, ownerId, accountId string) (grants []*s3.Grant, errCode s3err.ErrorCode) {
 	if r.Body != nil && r.Body != http.NoBody {
-		defer util.CloseRequest(r)
+		defer util_http.CloseRequest(r)
 
 		var acp s3.AccessControlPolicy
 		err := xmlutil.UnmarshalXML(&acp, xml.NewDecoder(r.Body), "")
diff --git a/weed/s3api/s3api_bucket_handlers.go b/weed/s3api/s3api_bucket_handlers.go
index 12d2c0432..7d0d76ea4 100644
--- a/weed/s3api/s3api_bucket_handlers.go
+++ b/weed/s3api/s3api_bucket_handlers.go
@@ -13,7 +13,6 @@ import (
 
 	"github.com/aws/aws-sdk-go/private/protocol/xml/xmlutil"
 	"github.com/seaweedfs/seaweedfs/weed/s3api/s3bucket"
-	"github.com/seaweedfs/seaweedfs/weed/util"
 
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/s3api/s3_constants"
@@ -26,14 +25,9 @@ import (
 
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
-type ListAllMyBucketsResult struct {
-	XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListAllMyBucketsResult"`
-	Owner   *s3.Owner
-	Buckets []*s3.Bucket `xml:"Buckets>Bucket"`
-}
-
 func (s3a *S3ApiServer) ListBucketsHandler(w http.ResponseWriter, r *http.Request) {
 
 	glog.V(3).Infof("ListBucketsHandler")
@@ -59,25 +53,25 @@ func (s3a *S3ApiServer) ListBucketsHandler(w http.ResponseWriter, r *http.Reques
 
 	identityId := r.Header.Get(s3_constants.AmzIdentityId)
 
-	var buckets []*s3.Bucket
+	var listBuckets ListAllMyBucketsList
 	for _, entry := range entries {
 		if entry.IsDirectory {
 			if identity != nil && !identity.canDo(s3_constants.ACTION_LIST, entry.Name, "") {
 				continue
 			}
-			buckets = append(buckets, &s3.Bucket{
-				Name:         aws.String(entry.Name),
-				CreationDate: aws.Time(time.Unix(entry.Attributes.Crtime, 0).UTC()),
+			listBuckets.Bucket = append(listBuckets.Bucket, ListAllMyBucketsEntry{
+				Name:         entry.Name,
+				CreationDate: time.Unix(entry.Attributes.Crtime, 0).UTC(),
 			})
 		}
 	}
 
 	response = ListAllMyBucketsResult{
-		Owner: &s3.Owner{
-			ID:          aws.String(identityId),
-			DisplayName: aws.String(identityId),
+		Owner: CanonicalUser{
+			ID:          identityId,
+			DisplayName: identityId,
 		},
-		Buckets: buckets,
+		Buckets: listBuckets,
 	}
 
 	writeSuccessResponseXML(w, r, response)
@@ -461,7 +455,11 @@ func (s3a *S3ApiServer) DeleteBucketLifecycleHandler(w http.ResponseWriter, r *h
 	for prefix, ttl := range collectionTtls {
 		bucketPrefix := fmt.Sprintf("%s/%s/", s3a.option.BucketsPath, bucket)
 		if strings.HasPrefix(prefix, bucketPrefix) && strings.HasSuffix(ttl, "d") {
-			fc.DeleteLocationConf(prefix)
+			pathConf, found := fc.GetLocationConf(prefix)
+			if found {
+				pathConf.Ttl = ""
+				fc.SetLocationConf(pathConf)
+			}
 			changed = true
 		}
 	}
@@ -487,7 +485,7 @@ func (s3a *S3ApiServer) DeleteBucketLifecycleHandler(w http.ResponseWriter, r *h
 // GetBucketLocationHandler Get bucket location
 // https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetBucketLocation.html
 func (s3a *S3ApiServer) GetBucketLocationHandler(w http.ResponseWriter, r *http.Request) {
-	writeSuccessResponseXML(w, r, LocationConstraint{})
+	writeSuccessResponseXML(w, r, CreateBucketConfiguration{})
 }
 
 // GetBucketRequestPaymentHandler Get bucket location
@@ -513,7 +511,7 @@ func (s3a *S3ApiServer) PutBucketOwnershipControls(w http.ResponseWriter, r *htt
 	}
 
 	var v s3.OwnershipControls
-	defer util.CloseRequest(r)
+	defer util_http.CloseRequest(r)
 
 	err := xmlutil.UnmarshalXML(&v, xml.NewDecoder(r.Body), "")
 	if err != nil {
diff --git a/weed/s3api/s3api_bucket_handlers_test.go b/weed/s3api/s3api_bucket_handlers_test.go
index 1cff45aa0..2c8a3ae2c 100644
--- a/weed/s3api/s3api_bucket_handlers_test.go
+++ b/weed/s3api/s3api_bucket_handlers_test.go
@@ -4,37 +4,34 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
 	"testing"
 	"time"
-
-	"github.com/aws/aws-sdk-go/aws"
-	"github.com/aws/aws-sdk-go/service/s3"
 )
 
 func TestListBucketsHandler(t *testing.T) {
 
 	expected := `<?xml version="1.0" encoding="UTF-8"?>
-<ListAllMyBucketsResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/"><Owner><DisplayName></DisplayName><ID></ID></Owner><Buckets><Bucket><CreationDate>2011-04-09T12:34:49Z</CreationDate><Name>test1</Name></Bucket><Bucket><CreationDate>2011-02-09T12:34:49Z</CreationDate><Name>test2</Name></Bucket></Buckets></ListAllMyBucketsResult>`
+<ListAllMyBucketsResult><Owner><ID></ID></Owner><Buckets><Bucket><Name>test1</Name><CreationDate>2011-04-09T12:34:49Z</CreationDate></Bucket><Bucket><Name>test2</Name><CreationDate>2011-02-09T12:34:49Z</CreationDate></Bucket></Buckets></ListAllMyBucketsResult>`
 	var response ListAllMyBucketsResult
 
-	var buckets []*s3.Bucket
-	buckets = append(buckets, &s3.Bucket{
-		Name:         aws.String("test1"),
-		CreationDate: aws.Time(time.Date(2011, 4, 9, 12, 34, 49, 0, time.UTC)),
+	var bucketsList ListAllMyBucketsList
+	bucketsList.Bucket = append(bucketsList.Bucket, ListAllMyBucketsEntry{
+		Name:         "test1",
+		CreationDate: time.Date(2011, 4, 9, 12, 34, 49, 0, time.UTC),
 	})
-	buckets = append(buckets, &s3.Bucket{
-		Name:         aws.String("test2"),
-		CreationDate: aws.Time(time.Date(2011, 2, 9, 12, 34, 49, 0, time.UTC)),
+	bucketsList.Bucket = append(bucketsList.Bucket, ListAllMyBucketsEntry{
+		Name:         "test2",
+		CreationDate: time.Date(2011, 2, 9, 12, 34, 49, 0, time.UTC),
 	})
 
 	response = ListAllMyBucketsResult{
-		Owner: &s3.Owner{
-			ID:          aws.String(""),
-			DisplayName: aws.String(""),
+		Owner: CanonicalUser{
+			ID:          "",
+			DisplayName: "",
 		},
-		Buckets: buckets,
+		Buckets: bucketsList,
 	}
 
 	encoded := string(s3err.EncodeXMLResponse(response))
 	if encoded != expected {
-		t.Errorf("unexpected output: %s\nexpecting:%s", encoded, expected)
+		t.Errorf("unexpected output:%s\nexpecting:%s", encoded, expected)
 	}
 }
diff --git a/weed/s3api/s3api_object_handlers.go b/weed/s3api/s3api_object_handlers.go
index 1d58af8bc..3ab72285f 100644
--- a/weed/s3api/s3api_object_handlers.go
+++ b/weed/s3api/s3api_object_handlers.go
@@ -3,6 +3,8 @@ package s3api
 import (
 	"bytes"
 	"fmt"
+	"github.com/seaweedfs/seaweedfs/weed/filer"
+	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
 	"io"
 	"net/http"
 	"net/url"
@@ -14,7 +16,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/util/mem"
 
 	"github.com/seaweedfs/seaweedfs/weed/glog"
-	"github.com/seaweedfs/seaweedfs/weed/util"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 func mimeDetect(r *http.Request, dataReader io.Reader) io.ReadCloser {
@@ -35,10 +37,17 @@ func urlEscapeObject(object string) string {
 	return "/" + t
 }
 
+func entryUrlEncode(dir string, entry string, encodingTypeUrl bool) (dirName string, entryName string, prefix string) {
+	if !encodingTypeUrl {
+		return dir, entry, entry
+	}
+	return urlPathEscape(dir), url.QueryEscape(entry), urlPathEscape(entry)
+}
+
 func urlPathEscape(object string) string {
 	var escapedParts []string
 	for _, part := range strings.Split(object, "/") {
-		escapedParts = append(escapedParts, url.PathEscape(part))
+		escapedParts = append(escapedParts, strings.ReplaceAll(url.PathEscape(part), "+", "%2B"))
 	}
 	return strings.Join(escapedParts, "/")
 }
@@ -63,6 +72,37 @@ func removeDuplicateSlashes(object string) string {
 	return result.String()
 }
 
+func newListEntry(entry *filer_pb.Entry, key string, dir string, name string, bucketPrefix string, fetchOwner bool, isDirectory bool, encodingTypeUrl bool) (listEntry ListEntry) {
+	storageClass := "STANDARD"
+	if v, ok := entry.Extended[s3_constants.AmzStorageClass]; ok {
+		storageClass = string(v)
+	}
+	keyFormat := "%s/%s"
+	if isDirectory {
+		keyFormat += "/"
+	}
+	if key == "" {
+		key = fmt.Sprintf(keyFormat, dir, name)[len(bucketPrefix):]
+	}
+	if encodingTypeUrl {
+		key = urlPathEscape(key)
+	}
+	listEntry = ListEntry{
+		Key:          key,
+		LastModified: time.Unix(entry.Attributes.Mtime, 0).UTC(),
+		ETag:         "\"" + filer.ETag(entry) + "\"",
+		Size:         int64(filer.FileSize(entry)),
+		StorageClass: StorageClass(storageClass),
+	}
+	if fetchOwner {
+		listEntry.Owner = CanonicalUser{
+			ID:          fmt.Sprintf("%x", entry.Attributes.Uid),
+			DisplayName: entry.Attributes.UserName,
+		}
+	}
+	return listEntry
+}
+
 func (s3a *S3ApiServer) toFilerUrl(bucket, object string) string {
 	object = urlPathEscape(removeDuplicateSlashes(object))
 	destUrl := fmt.Sprintf("http://%s%s/%s%s",
@@ -131,7 +171,7 @@ func (s3a *S3ApiServer) proxyToFiler(w http.ResponseWriter, r *http.Request, des
 		s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
 		return
 	}
-	defer util.CloseResponse(resp)
+	defer util_http.CloseResponse(resp)
 
 	if resp.StatusCode == http.StatusPreconditionFailed {
 		s3err.WriteErrorResponse(w, r, s3err.ErrPreconditionFailed)
@@ -143,7 +183,7 @@ func (s3a *S3ApiServer) proxyToFiler(w http.ResponseWriter, r *http.Request, des
 		return
 	}
 
-	if r.Method == "DELETE" {
+	if r.Method == http.MethodDelete {
 		if resp.StatusCode == http.StatusNotFound {
 			// this is normal
 			responseStatusCode := responseFn(resp, w)
diff --git a/weed/s3api/s3api_object_handlers_copy.go b/weed/s3api/s3api_object_handlers_copy.go
index 8d13fe17e..4ca8010d2 100644
--- a/weed/s3api/s3api_object_handlers_copy.go
+++ b/weed/s3api/s3api_object_handlers_copy.go
@@ -14,6 +14,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/s3api/s3_constants"
 	"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
 	"github.com/seaweedfs/seaweedfs/weed/util"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 const (
@@ -87,12 +88,12 @@ func (s3a *S3ApiServer) CopyObjectHandler(w http.ResponseWriter, r *http.Request
 	srcUrl := fmt.Sprintf("http://%s%s/%s%s",
 		s3a.option.Filer.ToHttpAddress(), s3a.option.BucketsPath, srcBucket, urlEscapeObject(srcObject))
 
-	_, _, resp, err := util.DownloadFile(srcUrl, s3a.maybeGetFilerJwtAuthorizationToken(false))
+	_, _, resp, err := util_http.DownloadFile(srcUrl, s3a.maybeGetFilerJwtAuthorizationToken(false))
 	if err != nil {
 		s3err.WriteErrorResponse(w, r, s3err.ErrInvalidCopySource)
 		return
 	}
-	defer util.CloseResponse(resp)
+	defer util_http.CloseResponse(resp)
 
 	tagErr := processMetadata(r.Header, resp.Header, replaceMeta, replaceTagging, s3a.getTags, dir, name)
 	if tagErr != nil {
@@ -175,12 +176,12 @@ func (s3a *S3ApiServer) CopyObjectPartHandler(w http.ResponseWriter, r *http.Req
 	srcUrl := fmt.Sprintf("http://%s%s/%s%s",
 		s3a.option.Filer.ToHttpAddress(), s3a.option.BucketsPath, srcBucket, urlEscapeObject(srcObject))
 
-	resp, dataReader, err := util.ReadUrlAsReaderCloser(srcUrl, s3a.maybeGetFilerJwtAuthorizationToken(false), rangeHeader)
+	resp, dataReader, err := util_http.ReadUrlAsReaderCloser(srcUrl, s3a.maybeGetFilerJwtAuthorizationToken(false), rangeHeader)
 	if err != nil {
 		s3err.WriteErrorResponse(w, r, s3err.ErrInvalidCopySource)
 		return
 	}
-	defer util.CloseResponse(resp)
+	defer util_http.CloseResponse(resp)
 	defer dataReader.Close()
 
 	glog.V(2).Infof("copy from %s to %s", srcUrl, dstUrl)
diff --git a/weed/s3api/s3api_object_handlers_delete.go b/weed/s3api/s3api_object_handlers_delete.go
index 580578593..7656b9d38 100644
--- a/weed/s3api/s3api_object_handlers_delete.go
+++ b/weed/s3api/s3api_object_handlers_delete.go
@@ -27,14 +27,13 @@ func (s3a *S3ApiServer) DeleteObjectHandler(w http.ResponseWriter, r *http.Reque
 	bucket, object := s3_constants.GetBucketAndObject(r)
 	glog.V(3).Infof("DeleteObjectHandler %s %s", bucket, object)
 
-	object = urlPathEscape(removeDuplicateSlashes(object))
+	target := util.FullPath(fmt.Sprintf("%s/%s%s", s3a.option.BucketsPath, bucket, object))
+	dir, name := target.DirAndName()
 
-	s3a.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
+	err := s3a.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
 
-		err := doDeleteEntry(client, s3a.option.BucketsPath+"/"+bucket, object, true, false)
-		if err != nil {
-			// skip deletion error, usually the file is not found
-			return nil
+		if err := doDeleteEntry(client, dir, name, true, false); err != nil {
+			return err
 		}
 
 		if s3a.option.AllowEmptyFolder {
@@ -42,11 +41,8 @@ func (s3a *S3ApiServer) DeleteObjectHandler(w http.ResponseWriter, r *http.Reque
 		}
 
 		directoriesWithDeletion := make(map[string]int)
-		lastSeparator := strings.LastIndex(object, "/")
-		if lastSeparator > 0 {
-			parentDirectoryPath := fmt.Sprintf("%s/%s%s", s3a.option.BucketsPath, bucket, object[:lastSeparator])
-			directoriesWithDeletion[parentDirectoryPath]++
-
+		if strings.LastIndex(object, "/") > 0 {
+			directoriesWithDeletion[dir]++
 			// purge empty folders, only checking folders with deletions
 			for len(directoriesWithDeletion) > 0 {
 				directoriesWithDeletion = s3a.doDeleteEmptyDirectories(client, directoriesWithDeletion)
@@ -55,6 +51,10 @@ func (s3a *S3ApiServer) DeleteObjectHandler(w http.ResponseWriter, r *http.Reque
 
 		return nil
 	})
+	if err != nil {
+		s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
+		return
+	}
 
 	w.WriteHeader(http.StatusNoContent)
 }
diff --git a/weed/s3api/s3api_object_handlers_list.go b/weed/s3api/s3api_object_handlers_list.go
index 38e7f6fef..27d18800c 100644
--- a/weed/s3api/s3api_object_handlers_list.go
+++ b/weed/s3api/s3api_object_handlers_list.go
@@ -4,33 +4,44 @@ import (
 	"context"
 	"encoding/xml"
 	"fmt"
+	"github.com/aws/aws-sdk-go/service/s3"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
+	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
 	"github.com/seaweedfs/seaweedfs/weed/s3api/s3_constants"
+	"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
 	"io"
 	"net/http"
 	"net/url"
 	"strconv"
 	"strings"
-	"time"
-
-	"github.com/seaweedfs/seaweedfs/weed/filer"
-	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
-	"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
 )
 
+type OptionalString struct {
+	string
+	set bool
+}
+
+func (o OptionalString) MarshalXML(e *xml.Encoder, startElement xml.StartElement) error {
+	if !o.set {
+		return nil
+	}
+	return e.EncodeElement(o.string, startElement)
+}
+
 type ListBucketResultV2 struct {
-	XMLName               xml.Name      `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListBucketResult"`
-	Name                  string        `xml:"Name"`
-	Prefix                string        `xml:"Prefix"`
-	MaxKeys               int           `xml:"MaxKeys"`
-	Delimiter             string        `xml:"Delimiter,omitempty"`
-	IsTruncated           bool          `xml:"IsTruncated"`
-	Contents              []ListEntry   `xml:"Contents,omitempty"`
-	CommonPrefixes        []PrefixEntry `xml:"CommonPrefixes,omitempty"`
-	ContinuationToken     string        `xml:"ContinuationToken,omitempty"`
-	NextContinuationToken string        `xml:"NextContinuationToken,omitempty"`
-	KeyCount              int           `xml:"KeyCount"`
-	StartAfter            string        `xml:"StartAfter,omitempty"`
+	XMLName               xml.Name       `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListBucketResult"`
+	Name                  string         `xml:"Name"`
+	Prefix                string         `xml:"Prefix"`
+	MaxKeys               uint16         `xml:"MaxKeys"`
+	Delimiter             string         `xml:"Delimiter,omitempty"`
+	IsTruncated           bool           `xml:"IsTruncated"`
+	Contents              []ListEntry    `xml:"Contents,omitempty"`
+	CommonPrefixes        []PrefixEntry  `xml:"CommonPrefixes,omitempty"`
+	ContinuationToken     OptionalString `xml:"ContinuationToken,omitempty"`
+	NextContinuationToken string         `xml:"NextContinuationToken,omitempty"`
+	EncodingType          string         `xml:"EncodingType,omitempty"`
+	KeyCount              int            `xml:"KeyCount"`
+	StartAfter            string         `xml:"StartAfter,omitempty"`
 }
 
 func (s3a *S3ApiServer) ListObjectsV2Handler(w http.ResponseWriter, r *http.Request) {
@@ -41,19 +52,19 @@ func (s3a *S3ApiServer) ListObjectsV2Handler(w http.ResponseWriter, r *http.Requ
 	bucket, _ := s3_constants.GetBucketAndObject(r)
 	glog.V(3).Infof("ListObjectsV2Handler %s", bucket)
 
-	originalPrefix, continuationToken, startAfter, delimiter, _, maxKeys := getListObjectsV2Args(r.URL.Query())
+	originalPrefix, startAfter, delimiter, continuationToken, encodingTypeUrl, fetchOwner, maxKeys := getListObjectsV2Args(r.URL.Query())
 
 	if maxKeys < 0 {
 		s3err.WriteErrorResponse(w, r, s3err.ErrInvalidMaxKeys)
 		return
 	}
 
-	marker := continuationToken
-	if continuationToken == "" {
+	marker := continuationToken.string
+	if !continuationToken.set {
 		marker = startAfter
 	}
 
-	response, err := s3a.listFilerEntries(bucket, originalPrefix, maxKeys, marker, delimiter)
+	response, err := s3a.listFilerEntries(bucket, originalPrefix, maxKeys, marker, delimiter, encodingTypeUrl, fetchOwner)
 
 	if err != nil {
 		s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
@@ -68,7 +79,6 @@ func (s3a *S3ApiServer) ListObjectsV2Handler(w http.ResponseWriter, r *http.Requ
 	}
 
 	responseV2 := &ListBucketResultV2{
-		XMLName:               response.XMLName,
 		Name:                  response.Name,
 		CommonPrefixes:        response.CommonPrefixes,
 		Contents:              response.Contents,
@@ -76,11 +86,14 @@ func (s3a *S3ApiServer) ListObjectsV2Handler(w http.ResponseWriter, r *http.Requ
 		Delimiter:             response.Delimiter,
 		IsTruncated:           response.IsTruncated,
 		KeyCount:              len(response.Contents) + len(response.CommonPrefixes),
-		MaxKeys:               response.MaxKeys,
+		MaxKeys:               uint16(response.MaxKeys),
 		NextContinuationToken: response.NextMarker,
 		Prefix:                response.Prefix,
 		StartAfter:            startAfter,
 	}
+	if encodingTypeUrl {
+		responseV2.EncodingType = s3.EncodingTypeUrl
+	}
 
 	writeSuccessResponseXML(w, r, responseV2)
 }
@@ -93,14 +106,13 @@ func (s3a *S3ApiServer) ListObjectsV1Handler(w http.ResponseWriter, r *http.Requ
 	bucket, _ := s3_constants.GetBucketAndObject(r)
 	glog.V(3).Infof("ListObjectsV1Handler %s", bucket)
 
-	originalPrefix, marker, delimiter, maxKeys := getListObjectsV1Args(r.URL.Query())
+	originalPrefix, marker, delimiter, encodingTypeUrl, maxKeys := getListObjectsV1Args(r.URL.Query())
 
 	if maxKeys < 0 {
 		s3err.WriteErrorResponse(w, r, s3err.ErrInvalidMaxKeys)
 		return
 	}
-
-	response, err := s3a.listFilerEntries(bucket, originalPrefix, maxKeys, marker, delimiter)
+	response, err := s3a.listFilerEntries(bucket, originalPrefix, uint16(maxKeys), marker, delimiter, encodingTypeUrl, true)
 
 	if err != nil {
 		s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
@@ -117,7 +129,7 @@ func (s3a *S3ApiServer) ListObjectsV1Handler(w http.ResponseWriter, r *http.Requ
 	writeSuccessResponseXML(w, r, response)
 }
 
-func (s3a *S3ApiServer) listFilerEntries(bucket string, originalPrefix string, maxKeys int, originalMarker string, delimiter string) (response ListBucketResult, err error) {
+func (s3a *S3ApiServer) listFilerEntries(bucket string, originalPrefix string, maxKeys uint16, originalMarker string, delimiter string, encodingTypeUrl bool, fetchOwner bool) (response ListBucketResult, err error) {
 	// convert full path prefix into directory name and prefix for entry name
 	requestDir, prefix, marker := normalizePrefixMarker(originalPrefix, originalMarker)
 	bucketPrefix := fmt.Sprintf("%s/%s/", s3a.option.BucketsPath, bucket)
@@ -141,23 +153,15 @@ func (s3a *S3ApiServer) listFilerEntries(bucket string, originalPrefix string, m
 			empty := true
 			nextMarker, doErr = s3a.doListFilerEntries(client, reqDir, prefix, cursor, marker, delimiter, false, func(dir string, entry *filer_pb.Entry) {
 				empty = false
+				dirName, entryName, prefixName := entryUrlEncode(dir, entry.Name, encodingTypeUrl)
 				if entry.IsDirectory {
 					if entry.IsDirectoryKeyObject() {
-						contents = append(contents, ListEntry{
-							Key:          fmt.Sprintf("%s/%s/", dir, entry.Name)[len(bucketPrefix):],
-							LastModified: time.Unix(entry.Attributes.Mtime, 0).UTC(),
-							ETag:         "\"" + filer.ETag(entry) + "\"",
-							Owner: CanonicalUser{
-								ID:          fmt.Sprintf("%x", entry.Attributes.Uid),
-								DisplayName: entry.Attributes.UserName,
-							},
-							StorageClass: "STANDARD",
-						})
+						contents = append(contents, newListEntry(entry, "", dirName, entryName, bucketPrefix, fetchOwner, true, false))
 						cursor.maxKeys--
 						// https://docs.aws.amazon.com/AmazonS3/latest/API/API_ListObjectsV2.html
 					} else if delimiter == "/" { // A response can contain CommonPrefixes only if you specify a delimiter.
 						commonPrefixes = append(commonPrefixes, PrefixEntry{
-							Prefix: fmt.Sprintf("%s/%s/", dir, entry.Name)[len(bucketPrefix):],
+							Prefix: fmt.Sprintf("%s/%s/", dirName, prefixName)[len(bucketPrefix):],
 						})
 						//All of the keys (up to 1,000) rolled up into a common prefix count as a single return when calculating the number of returns.
 						cursor.maxKeys--
@@ -195,21 +199,7 @@ func (s3a *S3ApiServer) listFilerEntries(bucket string, originalPrefix string, m
 						}
 					}
 					if !delimiterFound {
-						storageClass := "STANDARD"
-						if v, ok := entry.Extended[s3_constants.AmzStorageClass]; ok {
-							storageClass = string(v)
-						}
-						contents = append(contents, ListEntry{
-							Key:          fmt.Sprintf("%s/%s", dir, entry.Name)[len(bucketPrefix):],
-							LastModified: time.Unix(entry.Attributes.Mtime, 0).UTC(),
-							ETag:         "\"" + filer.ETag(entry) + "\"",
-							Size:         int64(filer.FileSize(entry)),
-							Owner: CanonicalUser{
-								ID:          fmt.Sprintf("%x", entry.Attributes.Uid),
-								DisplayName: entry.Attributes.UserName,
-							},
-							StorageClass: StorageClass(storageClass),
-						})
+						contents = append(contents, newListEntry(entry, "", dirName, entryName, bucketPrefix, fetchOwner, false, false))
 						cursor.maxKeys--
 					}
 				}
@@ -237,13 +227,17 @@ func (s3a *S3ApiServer) listFilerEntries(bucket string, originalPrefix string, m
 			Prefix:         originalPrefix,
 			Marker:         originalMarker,
 			NextMarker:     nextMarker,
-			MaxKeys:        maxKeys,
+			MaxKeys:        int(maxKeys),
 			Delimiter:      delimiter,
 			IsTruncated:    cursor.isTruncated,
 			Contents:       contents,
 			CommonPrefixes: commonPrefixes,
 		}
-
+		if encodingTypeUrl {
+			// Todo used for pass test_bucket_listv2_encoding_basic
+			// sort.Slice(response.CommonPrefixes, func(i, j int) bool { return response.CommonPrefixes[i].Prefix < response.CommonPrefixes[j].Prefix })
+			response.EncodingType = s3.EncodingTypeUrl
+		}
 		return nil
 	})
 
@@ -251,7 +245,7 @@ func (s3a *S3ApiServer) listFilerEntries(bucket string, originalPrefix string, m
 }
 
 type ListingCursor struct {
-	maxKeys               int
+	maxKeys               uint16
 	isTruncated           bool
 	prefixEndsOnDelimiter bool
 }
@@ -434,13 +428,16 @@ func (s3a *S3ApiServer) doListFilerEntries(client filer_pb.SeaweedFilerClient, d
 	return
 }
 
-func getListObjectsV2Args(values url.Values) (prefix, token, startAfter, delimiter string, fetchOwner bool, maxkeys int) {
+func getListObjectsV2Args(values url.Values) (prefix, startAfter, delimiter string, token OptionalString, encodingTypeUrl bool, fetchOwner bool, maxkeys uint16) {
 	prefix = values.Get("prefix")
-	token = values.Get("continuation-token")
+	token = OptionalString{set: values.Has("continuation-token"), string: values.Get("continuation-token")}
 	startAfter = values.Get("start-after")
 	delimiter = values.Get("delimiter")
+	encodingTypeUrl = values.Get("encoding-type") == s3.EncodingTypeUrl
 	if values.Get("max-keys") != "" {
-		maxkeys, _ = strconv.Atoi(values.Get("max-keys"))
+		if maxKeys, err := strconv.ParseUint(values.Get("max-keys"), 10, 16); err == nil {
+			maxkeys = uint16(maxKeys)
+		}
 	} else {
 		maxkeys = maxObjectListSizeLimit
 	}
@@ -448,12 +445,15 @@ func getListObjectsV2Args(values url.Values) (prefix, token, startAfter, delimit
 	return
 }
 
-func getListObjectsV1Args(values url.Values) (prefix, marker, delimiter string, maxkeys int) {
+func getListObjectsV1Args(values url.Values) (prefix, marker, delimiter string, encodingTypeUrl bool, maxkeys int16) {
 	prefix = values.Get("prefix")
 	marker = values.Get("marker")
 	delimiter = values.Get("delimiter")
+	encodingTypeUrl = values.Get("encoding-type") == "url"
 	if values.Get("max-keys") != "" {
-		maxkeys, _ = strconv.Atoi(values.Get("max-keys"))
+		if maxKeys, err := strconv.ParseInt(values.Get("max-keys"), 10, 16); err == nil {
+			maxkeys = int16(maxKeys)
+		}
 	} else {
 		maxkeys = maxObjectListSizeLimit
 	}
diff --git a/weed/s3api/s3api_object_handlers_list_test.go b/weed/s3api/s3api_object_handlers_list_test.go
index 6974c5567..3295c2fca 100644
--- a/weed/s3api/s3api_object_handlers_list_test.go
+++ b/weed/s3api/s3api_object_handlers_list_test.go
@@ -12,7 +12,7 @@ func TestListObjectsHandler(t *testing.T) {
 	// https://docs.aws.amazon.com/AmazonS3/latest/API/v2-RESTBucketGET.html
 
 	expected := `<?xml version="1.0" encoding="UTF-8"?>
-<ListBucketResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/"><Name>test_container</Name><Prefix></Prefix><Marker></Marker><MaxKeys>1000</MaxKeys><IsTruncated>false</IsTruncated><Contents><Key>1.zip</Key><ETag>&#34;4397da7a7649e8085de9916c240e8166&#34;</ETag><Size>1234567</Size><Owner><ID>65a011niqo39cdf8ec533ec3d1ccaafsa932</ID></Owner><StorageClass>STANDARD</StorageClass><LastModified>2011-04-09T12:34:49Z</LastModified></Contents></ListBucketResult>`
+<ListBucketResult><Name>test_container</Name><Prefix></Prefix><Marker></Marker><MaxKeys>1000</MaxKeys><IsTruncated>false</IsTruncated><Contents><Key>1.zip</Key><ETag>&#34;4397da7a7649e8085de9916c240e8166&#34;</ETag><Size>1234567</Size><Owner><ID>65a011niqo39cdf8ec533ec3d1ccaafsa932</ID></Owner><StorageClass>STANDARD</StorageClass><LastModified>2011-04-09T12:34:49Z</LastModified></Contents><EncodingType></EncodingType></ListBucketResult>`
 
 	response := ListBucketResult{
 		Name:        "test_container",
diff --git a/weed/s3api/s3api_object_handlers_put.go b/weed/s3api/s3api_object_handlers_put.go
index 49d385afc..0f8743a30 100644
--- a/weed/s3api/s3api_object_handlers_put.go
+++ b/weed/s3api/s3api_object_handlers_put.go
@@ -110,7 +110,7 @@ func (s3a *S3ApiServer) putToFiler(r *http.Request, uploadUrl string, dataReader
 	hash := md5.New()
 	var body = io.TeeReader(dataReader, hash)
 
-	proxyReq, err := http.NewRequest("PUT", uploadUrl, body)
+	proxyReq, err := http.NewRequest(http.MethodPut, uploadUrl, body)
 
 	if err != nil {
 		glog.Errorf("NewRequest %s: %v", uploadUrl, err)
diff --git a/weed/s3api/s3api_server.go b/weed/s3api/s3api_server.go
index 9422318ce..e0517ffb7 100644
--- a/weed/s3api/s3api_server.go
+++ b/weed/s3api/s3api_server.go
@@ -20,6 +20,8 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/security"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 	"google.golang.org/grpc"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
+	util_http_client "github.com/seaweedfs/seaweedfs/weed/util/http/client"
 )
 
 type S3ApiServerOption struct {
@@ -44,7 +46,7 @@ type S3ApiServer struct {
 	cb             *CircuitBreaker
 	randomClientId int32
 	filerGuard     *security.Guard
-	client         *http.Client
+	client         util_http_client.HTTPClientInterface
 	bucketRegistry *BucketRegistry
 }
 
@@ -84,10 +86,9 @@ func NewS3ApiServer(router *mux.Router, option *S3ApiServerOption) (s3ApiServer
 	}
 	s3ApiServer.bucketRegistry = NewBucketRegistry(s3ApiServer)
 	if option.LocalFilerSocket == "" {
-		s3ApiServer.client = &http.Client{Transport: &http.Transport{
-			MaxIdleConns:        1024,
-			MaxIdleConnsPerHost: 1024,
-		}}
+		if s3ApiServer.client, err = util_http.NewGlobalHttpClient(); err != nil {
+			return nil, err
+		}
 	} else {
 		s3ApiServer.client = &http.Client{
 			Transport: &http.Transport{
@@ -109,9 +110,9 @@ func (s3a *S3ApiServer) registerRouter(router *mux.Router) {
 	apiRouter := router.PathPrefix("/").Subrouter()
 
 	// Readiness Probe
-	apiRouter.Methods("GET").Path("/status").HandlerFunc(s3a.StatusHandler)
+	apiRouter.Methods(http.MethodGet).Path("/status").HandlerFunc(s3a.StatusHandler)
 
-	apiRouter.Methods("OPTIONS").HandlerFunc(
+	apiRouter.Methods(http.MethodOptions).HandlerFunc(
 		func(w http.ResponseWriter, r *http.Request) {
 			origin := r.Header.Get("Origin")
 			if origin != "" {
@@ -161,135 +162,135 @@ func (s3a *S3ApiServer) registerRouter(router *mux.Router) {
 		// objects with query
 
 		// CopyObjectPart
-		bucket.Methods("PUT").Path("/{object:.+}").HeadersRegexp("X-Amz-Copy-Source", `.*?(\/|%2F).*?`).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.CopyObjectPartHandler, ACTION_WRITE)), "PUT")).Queries("partNumber", "{partNumber:[0-9]+}", "uploadId", "{uploadId:.*}")
+		bucket.Methods(http.MethodPut).Path("/{object:.+}").HeadersRegexp("X-Amz-Copy-Source", `.*?(\/|%2F).*?`).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.CopyObjectPartHandler, ACTION_WRITE)), "PUT")).Queries("partNumber", "{partNumber:[0-9]+}", "uploadId", "{uploadId:.*}")
 		// PutObjectPart
-		bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectPartHandler, ACTION_WRITE)), "PUT")).Queries("partNumber", "{partNumber:[0-9]+}", "uploadId", "{uploadId:.*}")
+		bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectPartHandler, ACTION_WRITE)), "PUT")).Queries("partNumber", "{partNumber:[0-9]+}", "uploadId", "{uploadId:.*}")
 		// CompleteMultipartUpload
-		bucket.Methods("POST").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.CompleteMultipartUploadHandler, ACTION_WRITE)), "POST")).Queries("uploadId", "{uploadId:.*}")
+		bucket.Methods(http.MethodPost).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.CompleteMultipartUploadHandler, ACTION_WRITE)), "POST")).Queries("uploadId", "{uploadId:.*}")
 		// NewMultipartUpload
-		bucket.Methods("POST").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.NewMultipartUploadHandler, ACTION_WRITE)), "POST")).Queries("uploads", "")
+		bucket.Methods(http.MethodPost).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.NewMultipartUploadHandler, ACTION_WRITE)), "POST")).Queries("uploads", "")
 		// AbortMultipartUpload
-		bucket.Methods("DELETE").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.AbortMultipartUploadHandler, ACTION_WRITE)), "DELETE")).Queries("uploadId", "{uploadId:.*}")
+		bucket.Methods(http.MethodDelete).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.AbortMultipartUploadHandler, ACTION_WRITE)), "DELETE")).Queries("uploadId", "{uploadId:.*}")
 		// ListObjectParts
-		bucket.Methods("GET").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.ListObjectPartsHandler, ACTION_READ)), "GET")).Queries("uploadId", "{uploadId:.*}")
+		bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.ListObjectPartsHandler, ACTION_READ)), "GET")).Queries("uploadId", "{uploadId:.*}")
 		// ListMultipartUploads
-		bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.ListMultipartUploadsHandler, ACTION_READ)), "GET")).Queries("uploads", "")
+		bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.ListMultipartUploadsHandler, ACTION_READ)), "GET")).Queries("uploads", "")
 
 		// GetObjectTagging
-		bucket.Methods("GET").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetObjectTaggingHandler, ACTION_READ)), "GET")).Queries("tagging", "")
+		bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetObjectTaggingHandler, ACTION_READ)), "GET")).Queries("tagging", "")
 		// PutObjectTagging
-		bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectTaggingHandler, ACTION_TAGGING)), "PUT")).Queries("tagging", "")
+		bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectTaggingHandler, ACTION_TAGGING)), "PUT")).Queries("tagging", "")
 		// DeleteObjectTagging
-		bucket.Methods("DELETE").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteObjectTaggingHandler, ACTION_TAGGING)), "DELETE")).Queries("tagging", "")
+		bucket.Methods(http.MethodDelete).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteObjectTaggingHandler, ACTION_TAGGING)), "DELETE")).Queries("tagging", "")
 
 		// PutObjectACL
-		bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectAclHandler, ACTION_WRITE_ACP)), "PUT")).Queries("acl", "")
+		bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectAclHandler, ACTION_WRITE_ACP)), "PUT")).Queries("acl", "")
 		// PutObjectRetention
-		bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectRetentionHandler, ACTION_WRITE)), "PUT")).Queries("retention", "")
+		bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectRetentionHandler, ACTION_WRITE)), "PUT")).Queries("retention", "")
 		// PutObjectLegalHold
-		bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectLegalHoldHandler, ACTION_WRITE)), "PUT")).Queries("legal-hold", "")
+		bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectLegalHoldHandler, ACTION_WRITE)), "PUT")).Queries("legal-hold", "")
 		// PutObjectLockConfiguration
-		bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectLockConfigurationHandler, ACTION_WRITE)), "PUT")).Queries("object-lock", "")
+		bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectLockConfigurationHandler, ACTION_WRITE)), "PUT")).Queries("object-lock", "")
 
 		// GetObjectACL
-		bucket.Methods("GET").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetObjectAclHandler, ACTION_READ_ACP)), "GET")).Queries("acl", "")
+		bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetObjectAclHandler, ACTION_READ_ACP)), "GET")).Queries("acl", "")
 
 		// objects with query
 
 		// raw objects
 
 		// HeadObject
-		bucket.Methods("HEAD").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.HeadObjectHandler, ACTION_READ)), "GET"))
+		bucket.Methods(http.MethodHead).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.HeadObjectHandler, ACTION_READ)), "GET"))
 
 		// GetObject, but directory listing is not supported
-		bucket.Methods("GET").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetObjectHandler, ACTION_READ)), "GET"))
+		bucket.Methods(http.MethodGet).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetObjectHandler, ACTION_READ)), "GET"))
 
 		// CopyObject
-		bucket.Methods("PUT").Path("/{object:.+}").HeadersRegexp("X-Amz-Copy-Source", ".*?(\\/|%2F).*?").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.CopyObjectHandler, ACTION_WRITE)), "COPY"))
+		bucket.Methods(http.MethodPut).Path("/{object:.+}").HeadersRegexp("X-Amz-Copy-Source", ".*?(\\/|%2F).*?").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.CopyObjectHandler, ACTION_WRITE)), "COPY"))
 		// PutObject
-		bucket.Methods("PUT").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectHandler, ACTION_WRITE)), "PUT"))
+		bucket.Methods(http.MethodPut).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutObjectHandler, ACTION_WRITE)), "PUT"))
 		// DeleteObject
-		bucket.Methods("DELETE").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteObjectHandler, ACTION_WRITE)), "DELETE"))
+		bucket.Methods(http.MethodDelete).Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteObjectHandler, ACTION_WRITE)), "DELETE"))
 
 		// raw objects
 
 		// buckets with query
 
 		// DeleteMultipleObjects
-		bucket.Methods("POST").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteMultipleObjectsHandler, ACTION_WRITE)), "DELETE")).Queries("delete", "")
+		bucket.Methods(http.MethodPost).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteMultipleObjectsHandler, ACTION_WRITE)), "DELETE")).Queries("delete", "")
 
 		// GetBucketACL
-		bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketAclHandler, ACTION_READ_ACP)), "GET")).Queries("acl", "")
+		bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketAclHandler, ACTION_READ_ACP)), "GET")).Queries("acl", "")
 		// PutBucketACL
-		bucket.Methods("PUT").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketAclHandler, ACTION_WRITE_ACP)), "PUT")).Queries("acl", "")
+		bucket.Methods(http.MethodPut).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketAclHandler, ACTION_WRITE_ACP)), "PUT")).Queries("acl", "")
 
 		// GetBucketPolicy
-		bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketPolicyHandler, ACTION_READ)), "GET")).Queries("policy", "")
+		bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketPolicyHandler, ACTION_READ)), "GET")).Queries("policy", "")
 		// PutBucketPolicy
-		bucket.Methods("PUT").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketPolicyHandler, ACTION_WRITE)), "PUT")).Queries("policy", "")
+		bucket.Methods(http.MethodPut).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketPolicyHandler, ACTION_WRITE)), "PUT")).Queries("policy", "")
 		// DeleteBucketPolicy
-		bucket.Methods("DELETE").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteBucketPolicyHandler, ACTION_WRITE)), "DELETE")).Queries("policy", "")
+		bucket.Methods(http.MethodDelete).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteBucketPolicyHandler, ACTION_WRITE)), "DELETE")).Queries("policy", "")
 
 		// GetBucketCors
-		bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketCorsHandler, ACTION_READ)), "GET")).Queries("cors", "")
+		bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketCorsHandler, ACTION_READ)), "GET")).Queries("cors", "")
 		// PutBucketCors
-		bucket.Methods("PUT").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketCorsHandler, ACTION_WRITE)), "PUT")).Queries("cors", "")
+		bucket.Methods(http.MethodPut).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketCorsHandler, ACTION_WRITE)), "PUT")).Queries("cors", "")
 		// DeleteBucketCors
-		bucket.Methods("DELETE").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteBucketCorsHandler, ACTION_WRITE)), "DELETE")).Queries("cors", "")
+		bucket.Methods(http.MethodDelete).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteBucketCorsHandler, ACTION_WRITE)), "DELETE")).Queries("cors", "")
 
 		// GetBucketLifecycleConfiguration
-		bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketLifecycleConfigurationHandler, ACTION_READ)), "GET")).Queries("lifecycle", "")
+		bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketLifecycleConfigurationHandler, ACTION_READ)), "GET")).Queries("lifecycle", "")
 		// PutBucketLifecycleConfiguration
-		bucket.Methods("PUT").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketLifecycleConfigurationHandler, ACTION_WRITE)), "PUT")).Queries("lifecycle", "")
+		bucket.Methods(http.MethodPut).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketLifecycleConfigurationHandler, ACTION_WRITE)), "PUT")).Queries("lifecycle", "")
 		// DeleteBucketLifecycleConfiguration
-		bucket.Methods("DELETE").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteBucketLifecycleHandler, ACTION_WRITE)), "DELETE")).Queries("lifecycle", "")
+		bucket.Methods(http.MethodDelete).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteBucketLifecycleHandler, ACTION_WRITE)), "DELETE")).Queries("lifecycle", "")
 
 		// GetBucketLocation
-		bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketLocationHandler, ACTION_READ)), "GET")).Queries("location", "")
+		bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketLocationHandler, ACTION_READ)), "GET")).Queries("location", "")
 
 		// GetBucketRequestPayment
-		bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketRequestPaymentHandler, ACTION_READ)), "GET")).Queries("requestPayment", "")
+		bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketRequestPaymentHandler, ACTION_READ)), "GET")).Queries("requestPayment", "")
 
 		// GetBucketVersioning
-		bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketVersioningHandler, ACTION_READ)), "GET")).Queries("versioning", "")
-		bucket.Methods("PUT").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketVersioningHandler, ACTION_WRITE)), "PUT")).Queries("versioning", "")
+		bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.GetBucketVersioningHandler, ACTION_READ)), "GET")).Queries("versioning", "")
+		bucket.Methods(http.MethodPut).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketVersioningHandler, ACTION_WRITE)), "PUT")).Queries("versioning", "")
 
 		// ListObjectsV2
-		bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.ListObjectsV2Handler, ACTION_LIST)), "LIST")).Queries("list-type", "2")
+		bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.ListObjectsV2Handler, ACTION_LIST)), "LIST")).Queries("list-type", "2")
 
 		// buckets with query
 		// PutBucketOwnershipControls
-		bucket.Methods("PUT").HandlerFunc(track(s3a.iam.Auth(s3a.PutBucketOwnershipControls, ACTION_ADMIN), "PUT")).Queries("ownershipControls", "")
+		bucket.Methods(http.MethodPut).HandlerFunc(track(s3a.iam.Auth(s3a.PutBucketOwnershipControls, ACTION_ADMIN), "PUT")).Queries("ownershipControls", "")
 
 		//GetBucketOwnershipControls
-		bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.GetBucketOwnershipControls, ACTION_READ), "GET")).Queries("ownershipControls", "")
+		bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.GetBucketOwnershipControls, ACTION_READ), "GET")).Queries("ownershipControls", "")
 
 		//DeleteBucketOwnershipControls
-		bucket.Methods("DELETE").HandlerFunc(track(s3a.iam.Auth(s3a.DeleteBucketOwnershipControls, ACTION_ADMIN), "DELETE")).Queries("ownershipControls", "")
+		bucket.Methods(http.MethodDelete).HandlerFunc(track(s3a.iam.Auth(s3a.DeleteBucketOwnershipControls, ACTION_ADMIN), "DELETE")).Queries("ownershipControls", "")
 
 		// raw buckets
 
 		// PostPolicy
-		bucket.Methods("POST").HeadersRegexp("Content-Type", "multipart/form-data*").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PostPolicyBucketHandler, ACTION_WRITE)), "POST"))
+		bucket.Methods(http.MethodPost).HeadersRegexp("Content-Type", "multipart/form-data*").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PostPolicyBucketHandler, ACTION_WRITE)), "POST"))
 
 		// HeadBucket
-		bucket.Methods("HEAD").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.HeadBucketHandler, ACTION_READ)), "GET"))
+		bucket.Methods(http.MethodHead).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.HeadBucketHandler, ACTION_READ)), "GET"))
 
 		// PutBucket
-		bucket.Methods("PUT").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketHandler, ACTION_ADMIN)), "PUT"))
+		bucket.Methods(http.MethodPut).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.PutBucketHandler, ACTION_ADMIN)), "PUT"))
 
 		// DeleteBucket
-		bucket.Methods("DELETE").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteBucketHandler, ACTION_DELETE_BUCKET)), "DELETE"))
+		bucket.Methods(http.MethodDelete).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.DeleteBucketHandler, ACTION_DELETE_BUCKET)), "DELETE"))
 
 		// ListObjectsV1 (Legacy)
-		bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.ListObjectsV1Handler, ACTION_LIST)), "LIST"))
+		bucket.Methods(http.MethodGet).HandlerFunc(track(s3a.iam.Auth(s3a.cb.Limit(s3a.ListObjectsV1Handler, ACTION_LIST)), "LIST"))
 
 		// raw buckets
 
 	}
 
 	// ListBuckets
-	apiRouter.Methods("GET").Path("/").HandlerFunc(track(s3a.ListBucketsHandler, "LIST"))
+	apiRouter.Methods(http.MethodGet).Path("/").HandlerFunc(track(s3a.ListBucketsHandler, "LIST"))
 
 	// NotFound
 	apiRouter.NotFoundHandler = http.HandlerFunc(s3err.NotFoundHandler)
diff --git a/weed/s3api/s3api_xsd_generated.go b/weed/s3api/s3api_xsd_generated.go
index dd6a32ff2..f883287d5 100644
--- a/weed/s3api/s3api_xsd_generated.go
+++ b/weed/s3api/s3api_xsd_generated.go
@@ -1,3 +1,5 @@
+// Code generated by xsdgen. DO NOT EDIT.
+
 package s3api
 
 import (
@@ -17,11 +19,546 @@ type AccessControlPolicy struct {
 }
 
 type AmazonCustomerByEmail struct {
-	EmailAddress string `xml:"http://s3.amazonaws.com/doc/2006-03-01/ EmailAddress"`
+	EmailAddress string `xml:"EmailAddress"`
+}
+
+type Anon1 struct {
+	Bucket         string    `xml:"Bucket"`
+	AWSAccessKeyId string    `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp      time.Time `xml:"Timestamp,omitempty"`
+	Signature      string    `xml:"Signature,omitempty"`
+	Credential     string    `xml:"Credential,omitempty"`
+}
+
+func (t *Anon1) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	type T Anon1
+	var layout struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	layout.T = (*T)(t)
+	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
+	return e.EncodeElement(layout, start)
+}
+func (t *Anon1) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
+	type T Anon1
+	var overlay struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	overlay.T = (*T)(t)
+	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
+	return d.DecodeElement(&overlay, &start)
+}
+
+type Anon10 struct {
+}
+
+type Anon11 struct {
+	Bucket            string            `xml:"Bucket"`
+	AccessControlList AccessControlList `xml:"AccessControlList,omitempty"`
+	AWSAccessKeyId    string            `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp         time.Time         `xml:"Timestamp,omitempty"`
+	Signature         string            `xml:"Signature,omitempty"`
+	Credential        string            `xml:"Credential,omitempty"`
+}
+
+func (t *Anon11) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	type T Anon11
+	var layout struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	layout.T = (*T)(t)
+	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
+	return e.EncodeElement(layout, start)
+}
+func (t *Anon11) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
+	type T Anon11
+	var overlay struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	overlay.T = (*T)(t)
+	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
+	return d.DecodeElement(&overlay, &start)
+}
+
+type Anon12 struct {
+}
+
+type Anon13 struct {
+	Bucket         string    `xml:"Bucket"`
+	Key            string    `xml:"Key"`
+	GetMetadata    bool      `xml:"GetMetadata"`
+	GetData        bool      `xml:"GetData"`
+	InlineData     bool      `xml:"InlineData"`
+	AWSAccessKeyId string    `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp      time.Time `xml:"Timestamp,omitempty"`
+	Signature      string    `xml:"Signature,omitempty"`
+	Credential     string    `xml:"Credential,omitempty"`
+}
+
+func (t *Anon13) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	type T Anon13
+	var layout struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	layout.T = (*T)(t)
+	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
+	return e.EncodeElement(layout, start)
+}
+func (t *Anon13) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
+	type T Anon13
+	var overlay struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	overlay.T = (*T)(t)
+	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
+	return d.DecodeElement(&overlay, &start)
+}
+
+type Anon14 struct {
+	GetObjectResponse GetObjectResult `xml:"GetObjectResponse"`
+}
+
+type Anon15 struct {
+	Bucket                                 string    `xml:"Bucket"`
+	Key                                    string    `xml:"Key"`
+	GetMetadata                            bool      `xml:"GetMetadata"`
+	GetData                                bool      `xml:"GetData"`
+	InlineData                             bool      `xml:"InlineData"`
+	ByteRangeStart                         int64     `xml:"ByteRangeStart,omitempty"`
+	ByteRangeEnd                           int64     `xml:"ByteRangeEnd,omitempty"`
+	IfModifiedSince                        time.Time `xml:"IfModifiedSince,omitempty"`
+	IfUnmodifiedSince                      time.Time `xml:"IfUnmodifiedSince,omitempty"`
+	IfMatch                                []string  `xml:"IfMatch,omitempty"`
+	IfNoneMatch                            []string  `xml:"IfNoneMatch,omitempty"`
+	ReturnCompleteObjectOnConditionFailure bool      `xml:"ReturnCompleteObjectOnConditionFailure,omitempty"`
+	AWSAccessKeyId                         string    `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp                              time.Time `xml:"Timestamp,omitempty"`
+	Signature                              string    `xml:"Signature,omitempty"`
+	Credential                             string    `xml:"Credential,omitempty"`
+}
+
+func (t *Anon15) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	type T Anon15
+	var layout struct {
+		*T
+		IfModifiedSince   *xsdDateTime `xml:"IfModifiedSince,omitempty"`
+		IfUnmodifiedSince *xsdDateTime `xml:"IfUnmodifiedSince,omitempty"`
+		Timestamp         *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	layout.T = (*T)(t)
+	layout.IfModifiedSince = (*xsdDateTime)(&layout.T.IfModifiedSince)
+	layout.IfUnmodifiedSince = (*xsdDateTime)(&layout.T.IfUnmodifiedSince)
+	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
+	return e.EncodeElement(layout, start)
+}
+func (t *Anon15) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
+	type T Anon15
+	var overlay struct {
+		*T
+		IfModifiedSince   *xsdDateTime `xml:"IfModifiedSince,omitempty"`
+		IfUnmodifiedSince *xsdDateTime `xml:"IfUnmodifiedSince,omitempty"`
+		Timestamp         *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	overlay.T = (*T)(t)
+	overlay.IfModifiedSince = (*xsdDateTime)(&overlay.T.IfModifiedSince)
+	overlay.IfUnmodifiedSince = (*xsdDateTime)(&overlay.T.IfUnmodifiedSince)
+	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
+	return d.DecodeElement(&overlay, &start)
+}
+
+type Anon16 struct {
+	GetObjectResponse GetObjectResult `xml:"GetObjectResponse"`
+}
+
+type Anon17 struct {
+	Bucket            string            `xml:"Bucket"`
+	Key               string            `xml:"Key"`
+	Metadata          []MetadataEntry   `xml:"Metadata,omitempty"`
+	ContentLength     int64             `xml:"ContentLength"`
+	AccessControlList AccessControlList `xml:"AccessControlList,omitempty"`
+	StorageClass      StorageClass      `xml:"StorageClass,omitempty"`
+	AWSAccessKeyId    string            `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp         time.Time         `xml:"Timestamp,omitempty"`
+	Signature         string            `xml:"Signature,omitempty"`
+	Credential        string            `xml:"Credential,omitempty"`
+}
+
+func (t *Anon17) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	type T Anon17
+	var layout struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	layout.T = (*T)(t)
+	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
+	return e.EncodeElement(layout, start)
+}
+func (t *Anon17) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
+	type T Anon17
+	var overlay struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	overlay.T = (*T)(t)
+	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
+	return d.DecodeElement(&overlay, &start)
+}
+
+type Anon18 struct {
+	PutObjectResponse PutObjectResult `xml:"PutObjectResponse"`
+}
+
+type Anon19 struct {
+	Bucket            string            `xml:"Bucket"`
+	Key               string            `xml:"Key"`
+	Metadata          []MetadataEntry   `xml:"Metadata,omitempty"`
+	Data              []byte            `xml:"Data"`
+	ContentLength     int64             `xml:"ContentLength"`
+	AccessControlList AccessControlList `xml:"AccessControlList,omitempty"`
+	StorageClass      StorageClass      `xml:"StorageClass,omitempty"`
+	AWSAccessKeyId    string            `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp         time.Time         `xml:"Timestamp,omitempty"`
+	Signature         string            `xml:"Signature,omitempty"`
+	Credential        string            `xml:"Credential,omitempty"`
+}
+
+func (t *Anon19) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	type T Anon19
+	var layout struct {
+		*T
+		Data      *xsdBase64Binary `xml:"Data"`
+		Timestamp *xsdDateTime     `xml:"Timestamp,omitempty"`
+	}
+	layout.T = (*T)(t)
+	layout.Data = (*xsdBase64Binary)(&layout.T.Data)
+	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
+	return e.EncodeElement(layout, start)
+}
+func (t *Anon19) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
+	type T Anon19
+	var overlay struct {
+		*T
+		Data      *xsdBase64Binary `xml:"Data"`
+		Timestamp *xsdDateTime     `xml:"Timestamp,omitempty"`
+	}
+	overlay.T = (*T)(t)
+	overlay.Data = (*xsdBase64Binary)(&overlay.T.Data)
+	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
+	return d.DecodeElement(&overlay, &start)
+}
+
+type Anon2 struct {
+	GetBucketLoggingStatusResponse BucketLoggingStatus `xml:"GetBucketLoggingStatusResponse"`
+}
+
+type Anon20 struct {
+	PutObjectInlineResponse PutObjectResult `xml:"PutObjectInlineResponse"`
+}
+
+type Anon21 struct {
+	Bucket         string    `xml:"Bucket"`
+	Key            string    `xml:"Key"`
+	AWSAccessKeyId string    `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp      time.Time `xml:"Timestamp,omitempty"`
+	Signature      string    `xml:"Signature,omitempty"`
+	Credential     string    `xml:"Credential,omitempty"`
+}
+
+func (t *Anon21) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	type T Anon21
+	var layout struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	layout.T = (*T)(t)
+	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
+	return e.EncodeElement(layout, start)
+}
+func (t *Anon21) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
+	type T Anon21
+	var overlay struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	overlay.T = (*T)(t)
+	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
+	return d.DecodeElement(&overlay, &start)
+}
+
+type Anon22 struct {
+	DeleteObjectResponse Status `xml:"DeleteObjectResponse"`
+}
+
+type Anon23 struct {
+	Bucket         string    `xml:"Bucket"`
+	Prefix         string    `xml:"Prefix,omitempty"`
+	Marker         string    `xml:"Marker,omitempty"`
+	MaxKeys        int       `xml:"MaxKeys,omitempty"`
+	Delimiter      string    `xml:"Delimiter,omitempty"`
+	AWSAccessKeyId string    `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp      time.Time `xml:"Timestamp,omitempty"`
+	Signature      string    `xml:"Signature,omitempty"`
+	Credential     string    `xml:"Credential,omitempty"`
+}
+
+func (t *Anon23) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	type T Anon23
+	var layout struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	layout.T = (*T)(t)
+	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
+	return e.EncodeElement(layout, start)
+}
+func (t *Anon23) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
+	type T Anon23
+	var overlay struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	overlay.T = (*T)(t)
+	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
+	return d.DecodeElement(&overlay, &start)
+}
+
+type Anon24 struct {
+	ListBucketResponse ListBucketResult `xml:"ListBucketResponse"`
+}
+
+type Anon25 struct {
+	ListVersionsResponse ListVersionsResult `xml:"ListVersionsResponse"`
+}
+
+type Anon26 struct {
+	AWSAccessKeyId string    `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp      time.Time `xml:"Timestamp,omitempty"`
+	Signature      string    `xml:"Signature,omitempty"`
+}
+
+func (t *Anon26) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	type T Anon26
+	var layout struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	layout.T = (*T)(t)
+	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
+	return e.EncodeElement(layout, start)
+}
+func (t *Anon26) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
+	type T Anon26
+	var overlay struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	overlay.T = (*T)(t)
+	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
+	return d.DecodeElement(&overlay, &start)
+}
+
+type Anon27 struct {
+	ListAllMyBucketsResponse ListAllMyBucketsResult `xml:"ListAllMyBucketsResponse"`
+}
+
+type Anon28 struct {
+	Location string `xml:"Location"`
+	Bucket   string `xml:"Bucket"`
+	Key      string `xml:"Key"`
+	ETag     string `xml:"ETag"`
+}
+
+type Anon29 struct {
+	SourceBucket                string            `xml:"SourceBucket"`
+	SourceKey                   string            `xml:"SourceKey"`
+	DestinationBucket           string            `xml:"DestinationBucket"`
+	DestinationKey              string            `xml:"DestinationKey"`
+	MetadataDirective           MetadataDirective `xml:"MetadataDirective,omitempty"`
+	Metadata                    []MetadataEntry   `xml:"Metadata,omitempty"`
+	AccessControlList           AccessControlList `xml:"AccessControlList,omitempty"`
+	CopySourceIfModifiedSince   time.Time         `xml:"CopySourceIfModifiedSince,omitempty"`
+	CopySourceIfUnmodifiedSince time.Time         `xml:"CopySourceIfUnmodifiedSince,omitempty"`
+	CopySourceIfMatch           []string          `xml:"CopySourceIfMatch,omitempty"`
+	CopySourceIfNoneMatch       []string          `xml:"CopySourceIfNoneMatch,omitempty"`
+	StorageClass                StorageClass      `xml:"StorageClass,omitempty"`
+	AWSAccessKeyId              string            `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp                   time.Time         `xml:"Timestamp,omitempty"`
+	Signature                   string            `xml:"Signature,omitempty"`
+	Credential                  string            `xml:"Credential,omitempty"`
+}
+
+func (t *Anon29) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	type T Anon29
+	var layout struct {
+		*T
+		CopySourceIfModifiedSince   *xsdDateTime `xml:"CopySourceIfModifiedSince,omitempty"`
+		CopySourceIfUnmodifiedSince *xsdDateTime `xml:"CopySourceIfUnmodifiedSince,omitempty"`
+		Timestamp                   *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	layout.T = (*T)(t)
+	layout.CopySourceIfModifiedSince = (*xsdDateTime)(&layout.T.CopySourceIfModifiedSince)
+	layout.CopySourceIfUnmodifiedSince = (*xsdDateTime)(&layout.T.CopySourceIfUnmodifiedSince)
+	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
+	return e.EncodeElement(layout, start)
+}
+func (t *Anon29) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
+	type T Anon29
+	var overlay struct {
+		*T
+		CopySourceIfModifiedSince   *xsdDateTime `xml:"CopySourceIfModifiedSince,omitempty"`
+		CopySourceIfUnmodifiedSince *xsdDateTime `xml:"CopySourceIfUnmodifiedSince,omitempty"`
+		Timestamp                   *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	overlay.T = (*T)(t)
+	overlay.CopySourceIfModifiedSince = (*xsdDateTime)(&overlay.T.CopySourceIfModifiedSince)
+	overlay.CopySourceIfUnmodifiedSince = (*xsdDateTime)(&overlay.T.CopySourceIfUnmodifiedSince)
+	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
+	return d.DecodeElement(&overlay, &start)
+}
+
+type Anon3 struct {
+	Bucket              string              `xml:"Bucket"`
+	AWSAccessKeyId      string              `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp           time.Time           `xml:"Timestamp,omitempty"`
+	Signature           string              `xml:"Signature,omitempty"`
+	Credential          string              `xml:"Credential,omitempty"`
+	BucketLoggingStatus BucketLoggingStatus `xml:"BucketLoggingStatus"`
+}
+
+func (t *Anon3) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	type T Anon3
+	var layout struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	layout.T = (*T)(t)
+	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
+	return e.EncodeElement(layout, start)
+}
+func (t *Anon3) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
+	type T Anon3
+	var overlay struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	overlay.T = (*T)(t)
+	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
+	return d.DecodeElement(&overlay, &start)
+}
+
+type Anon30 struct {
+	CopyObjectResult CopyObjectResult `xml:"CopyObjectResult"`
+}
+
+type Anon4 struct {
+}
+
+type Anon5 struct {
+	Bucket         string    `xml:"Bucket"`
+	Key            string    `xml:"Key"`
+	AWSAccessKeyId string    `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp      time.Time `xml:"Timestamp,omitempty"`
+	Signature      string    `xml:"Signature,omitempty"`
+	Credential     string    `xml:"Credential,omitempty"`
+}
+
+func (t *Anon5) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	type T Anon5
+	var layout struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	layout.T = (*T)(t)
+	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
+	return e.EncodeElement(layout, start)
+}
+func (t *Anon5) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
+	type T Anon5
+	var overlay struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	overlay.T = (*T)(t)
+	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
+	return d.DecodeElement(&overlay, &start)
+}
+
+type Anon6 struct {
+	GetObjectAccessControlPolicyResponse AccessControlPolicy `xml:"GetObjectAccessControlPolicyResponse"`
+}
+
+type Anon7 struct {
+	Bucket         string    `xml:"Bucket"`
+	AWSAccessKeyId string    `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp      time.Time `xml:"Timestamp,omitempty"`
+	Signature      string    `xml:"Signature,omitempty"`
+	Credential     string    `xml:"Credential,omitempty"`
+}
+
+func (t *Anon7) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	type T Anon7
+	var layout struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	layout.T = (*T)(t)
+	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
+	return e.EncodeElement(layout, start)
+}
+func (t *Anon7) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
+	type T Anon7
+	var overlay struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	overlay.T = (*T)(t)
+	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
+	return d.DecodeElement(&overlay, &start)
+}
+
+type Anon8 struct {
+	GetBucketAccessControlPolicyResponse AccessControlPolicy `xml:"GetBucketAccessControlPolicyResponse"`
+}
+
+type Anon9 struct {
+	Bucket            string            `xml:"Bucket"`
+	Key               string            `xml:"Key"`
+	AccessControlList AccessControlList `xml:"AccessControlList"`
+	AWSAccessKeyId    string            `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp         time.Time         `xml:"Timestamp,omitempty"`
+	Signature         string            `xml:"Signature,omitempty"`
+	Credential        string            `xml:"Credential,omitempty"`
+}
+
+func (t *Anon9) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	type T Anon9
+	var layout struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	layout.T = (*T)(t)
+	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
+	return e.EncodeElement(layout, start)
+}
+func (t *Anon9) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
+	type T Anon9
+	var overlay struct {
+		*T
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
+	}
+	overlay.T = (*T)(t)
+	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
+	return d.DecodeElement(&overlay, &start)
 }
 
 type BucketLoggingStatus struct {
-	LoggingEnabled LoggingSettings `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LoggingEnabled,omitempty"`
+	LoggingEnabled LoggingSettings `xml:"LoggingEnabled,omitempty"`
 }
 
 type CanonicalUser struct {
@@ -30,31 +567,31 @@ type CanonicalUser struct {
 }
 
 type CopyObject struct {
-	SourceBucket                string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ SourceBucket"`
-	SourceKey                   string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ SourceKey"`
-	DestinationBucket           string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ DestinationBucket"`
-	DestinationKey              string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ DestinationKey"`
-	MetadataDirective           MetadataDirective `xml:"http://s3.amazonaws.com/doc/2006-03-01/ MetadataDirective,omitempty"`
-	Metadata                    []MetadataEntry   `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Metadata,omitempty"`
-	AccessControlList           AccessControlList `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AccessControlList,omitempty"`
-	CopySourceIfModifiedSince   time.Time         `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CopySourceIfModifiedSince,omitempty"`
-	CopySourceIfUnmodifiedSince time.Time         `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CopySourceIfUnmodifiedSince,omitempty"`
-	CopySourceIfMatch           []string          `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CopySourceIfMatch,omitempty"`
-	CopySourceIfNoneMatch       []string          `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CopySourceIfNoneMatch,omitempty"`
-	StorageClass                StorageClass      `xml:"http://s3.amazonaws.com/doc/2006-03-01/ StorageClass,omitempty"`
-	AWSAccessKeyId              string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AWSAccessKeyId,omitempty"`
-	Timestamp                   time.Time         `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
-	Signature                   string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Signature,omitempty"`
-	Credential                  string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Credential,omitempty"`
+	SourceBucket                string            `xml:"SourceBucket"`
+	SourceKey                   string            `xml:"SourceKey"`
+	DestinationBucket           string            `xml:"DestinationBucket"`
+	DestinationKey              string            `xml:"DestinationKey"`
+	MetadataDirective           MetadataDirective `xml:"MetadataDirective,omitempty"`
+	Metadata                    []MetadataEntry   `xml:"Metadata,omitempty"`
+	AccessControlList           AccessControlList `xml:"AccessControlList,omitempty"`
+	CopySourceIfModifiedSince   time.Time         `xml:"CopySourceIfModifiedSince,omitempty"`
+	CopySourceIfUnmodifiedSince time.Time         `xml:"CopySourceIfUnmodifiedSince,omitempty"`
+	CopySourceIfMatch           []string          `xml:"CopySourceIfMatch,omitempty"`
+	CopySourceIfNoneMatch       []string          `xml:"CopySourceIfNoneMatch,omitempty"`
+	StorageClass                StorageClass      `xml:"StorageClass,omitempty"`
+	AWSAccessKeyId              string            `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp                   time.Time         `xml:"Timestamp,omitempty"`
+	Signature                   string            `xml:"Signature,omitempty"`
+	Credential                  string            `xml:"Credential,omitempty"`
 }
 
 func (t *CopyObject) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T CopyObject
 	var layout struct {
 		*T
-		CopySourceIfModifiedSince   *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CopySourceIfModifiedSince,omitempty"`
-		CopySourceIfUnmodifiedSince *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CopySourceIfUnmodifiedSince,omitempty"`
-		Timestamp                   *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		CopySourceIfModifiedSince   *xsdDateTime `xml:"CopySourceIfModifiedSince,omitempty"`
+		CopySourceIfUnmodifiedSince *xsdDateTime `xml:"CopySourceIfUnmodifiedSince,omitempty"`
+		Timestamp                   *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	layout.T = (*T)(t)
 	layout.CopySourceIfModifiedSince = (*xsdDateTime)(&layout.T.CopySourceIfModifiedSince)
@@ -66,9 +603,9 @@ func (t *CopyObject) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error
 	type T CopyObject
 	var overlay struct {
 		*T
-		CopySourceIfModifiedSince   *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CopySourceIfModifiedSince,omitempty"`
-		CopySourceIfUnmodifiedSince *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CopySourceIfUnmodifiedSince,omitempty"`
-		Timestamp                   *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		CopySourceIfModifiedSince   *xsdDateTime `xml:"CopySourceIfModifiedSince,omitempty"`
+		CopySourceIfUnmodifiedSince *xsdDateTime `xml:"CopySourceIfUnmodifiedSince,omitempty"`
+		Timestamp                   *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	overlay.T = (*T)(t)
 	overlay.CopySourceIfModifiedSince = (*xsdDateTime)(&overlay.T.CopySourceIfModifiedSince)
@@ -78,19 +615,19 @@ func (t *CopyObject) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error
 }
 
 type CopyObjectResponse struct {
-	CopyObjectResult CopyObjectResult `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CopyObjectResult"`
+	CopyObjectResult CopyObjectResult `xml:"CopyObjectResult"`
 }
 
 type CopyObjectResult struct {
-	LastModified time.Time `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LastModified"`
-	ETag         string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ETag"`
+	LastModified time.Time `xml:"LastModified"`
+	ETag         string    `xml:"ETag"`
 }
 
 func (t *CopyObjectResult) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T CopyObjectResult
 	var layout struct {
 		*T
-		LastModified *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LastModified"`
+		LastModified *xsdDateTime `xml:"LastModified"`
 	}
 	layout.T = (*T)(t)
 	layout.LastModified = (*xsdDateTime)(&layout.T.LastModified)
@@ -100,7 +637,7 @@ func (t *CopyObjectResult) UnmarshalXML(d *xml.Decoder, start xml.StartElement)
 	type T CopyObjectResult
 	var overlay struct {
 		*T
-		LastModified *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LastModified"`
+		LastModified *xsdDateTime `xml:"LastModified"`
 	}
 	overlay.T = (*T)(t)
 	overlay.LastModified = (*xsdDateTime)(&overlay.T.LastModified)
@@ -108,18 +645,18 @@ func (t *CopyObjectResult) UnmarshalXML(d *xml.Decoder, start xml.StartElement)
 }
 
 type CreateBucket struct {
-	Bucket            string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Bucket"`
-	AccessControlList AccessControlList `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AccessControlList,omitempty"`
-	AWSAccessKeyId    string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AWSAccessKeyId,omitempty"`
-	Timestamp         time.Time         `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
-	Signature         string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Signature,omitempty"`
+	Bucket            string            `xml:"Bucket"`
+	AccessControlList AccessControlList `xml:"AccessControlList,omitempty"`
+	AWSAccessKeyId    string            `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp         time.Time         `xml:"Timestamp,omitempty"`
+	Signature         string            `xml:"Signature,omitempty"`
 }
 
 func (t *CreateBucket) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T CreateBucket
 	var layout struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	layout.T = (*T)(t)
 	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
@@ -129,7 +666,7 @@ func (t *CreateBucket) UnmarshalXML(d *xml.Decoder, start xml.StartElement) erro
 	type T CreateBucket
 	var overlay struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	overlay.T = (*T)(t)
 	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
@@ -137,30 +674,30 @@ func (t *CreateBucket) UnmarshalXML(d *xml.Decoder, start xml.StartElement) erro
 }
 
 type CreateBucketConfiguration struct {
-	LocationConstraint string `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LocationConstraint"`
+	LocationConstraint string `xml:"LocationConstraint"`
 }
 
 type CreateBucketResponse struct {
-	CreateBucketReturn CreateBucketResult `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CreateBucketReturn"`
+	CreateBucketReturn CreateBucketResult `xml:"CreateBucketReturn"`
 }
 
 type CreateBucketResult struct {
-	BucketName string `xml:"http://s3.amazonaws.com/doc/2006-03-01/ BucketName"`
+	BucketName string `xml:"BucketName"`
 }
 
 type DeleteBucket struct {
-	Bucket         string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Bucket"`
-	AWSAccessKeyId string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AWSAccessKeyId,omitempty"`
-	Timestamp      time.Time `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
-	Signature      string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Signature,omitempty"`
-	Credential     string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Credential,omitempty"`
+	Bucket         string    `xml:"Bucket"`
+	AWSAccessKeyId string    `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp      time.Time `xml:"Timestamp,omitempty"`
+	Signature      string    `xml:"Signature,omitempty"`
+	Credential     string    `xml:"Credential,omitempty"`
 }
 
 func (t *DeleteBucket) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T DeleteBucket
 	var layout struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	layout.T = (*T)(t)
 	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
@@ -170,7 +707,7 @@ func (t *DeleteBucket) UnmarshalXML(d *xml.Decoder, start xml.StartElement) erro
 	type T DeleteBucket
 	var overlay struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	overlay.T = (*T)(t)
 	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
@@ -178,22 +715,22 @@ func (t *DeleteBucket) UnmarshalXML(d *xml.Decoder, start xml.StartElement) erro
 }
 
 type DeleteBucketResponse struct {
-	DeleteBucketResponse Status `xml:"http://s3.amazonaws.com/doc/2006-03-01/ DeleteBucketResponse"`
+	DeleteBucketResponse Status `xml:"DeleteBucketResponse"`
 }
 
 type DeleteMarkerEntry struct {
-	Key          string        `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Key"`
-	VersionId    string        `xml:"http://s3.amazonaws.com/doc/2006-03-01/ VersionId"`
-	IsLatest     bool          `xml:"http://s3.amazonaws.com/doc/2006-03-01/ IsLatest"`
-	LastModified time.Time     `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LastModified"`
-	Owner        CanonicalUser `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Owner,omitempty"`
+	Key          string        `xml:"Key"`
+	VersionId    string        `xml:"VersionId"`
+	IsLatest     bool          `xml:"IsLatest"`
+	LastModified time.Time     `xml:"LastModified"`
+	Owner        CanonicalUser `xml:"Owner,omitempty"`
 }
 
 func (t *DeleteMarkerEntry) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T DeleteMarkerEntry
 	var layout struct {
 		*T
-		LastModified *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LastModified"`
+		LastModified *xsdDateTime `xml:"LastModified"`
 	}
 	layout.T = (*T)(t)
 	layout.LastModified = (*xsdDateTime)(&layout.T.LastModified)
@@ -203,7 +740,7 @@ func (t *DeleteMarkerEntry) UnmarshalXML(d *xml.Decoder, start xml.StartElement)
 	type T DeleteMarkerEntry
 	var overlay struct {
 		*T
-		LastModified *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LastModified"`
+		LastModified *xsdDateTime `xml:"LastModified"`
 	}
 	overlay.T = (*T)(t)
 	overlay.LastModified = (*xsdDateTime)(&overlay.T.LastModified)
@@ -211,19 +748,19 @@ func (t *DeleteMarkerEntry) UnmarshalXML(d *xml.Decoder, start xml.StartElement)
 }
 
 type DeleteObject struct {
-	Bucket         string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Bucket"`
-	Key            string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Key"`
-	AWSAccessKeyId string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AWSAccessKeyId,omitempty"`
-	Timestamp      time.Time `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
-	Signature      string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Signature,omitempty"`
-	Credential     string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Credential,omitempty"`
+	Bucket         string    `xml:"Bucket"`
+	Key            string    `xml:"Key"`
+	AWSAccessKeyId string    `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp      time.Time `xml:"Timestamp,omitempty"`
+	Signature      string    `xml:"Signature,omitempty"`
+	Credential     string    `xml:"Credential,omitempty"`
 }
 
 func (t *DeleteObject) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T DeleteObject
 	var layout struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	layout.T = (*T)(t)
 	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
@@ -233,7 +770,7 @@ func (t *DeleteObject) UnmarshalXML(d *xml.Decoder, start xml.StartElement) erro
 	type T DeleteObject
 	var overlay struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	overlay.T = (*T)(t)
 	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
@@ -241,22 +778,22 @@ func (t *DeleteObject) UnmarshalXML(d *xml.Decoder, start xml.StartElement) erro
 }
 
 type DeleteObjectResponse struct {
-	DeleteObjectResponse Status `xml:"http://s3.amazonaws.com/doc/2006-03-01/ DeleteObjectResponse"`
+	DeleteObjectResponse Status `xml:"DeleteObjectResponse"`
 }
 
 type GetBucketAccessControlPolicy struct {
-	Bucket         string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Bucket"`
-	AWSAccessKeyId string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AWSAccessKeyId,omitempty"`
-	Timestamp      time.Time `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
-	Signature      string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Signature,omitempty"`
-	Credential     string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Credential,omitempty"`
+	Bucket         string    `xml:"Bucket"`
+	AWSAccessKeyId string    `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp      time.Time `xml:"Timestamp,omitempty"`
+	Signature      string    `xml:"Signature,omitempty"`
+	Credential     string    `xml:"Credential,omitempty"`
 }
 
 func (t *GetBucketAccessControlPolicy) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T GetBucketAccessControlPolicy
 	var layout struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	layout.T = (*T)(t)
 	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
@@ -266,7 +803,7 @@ func (t *GetBucketAccessControlPolicy) UnmarshalXML(d *xml.Decoder, start xml.St
 	type T GetBucketAccessControlPolicy
 	var overlay struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	overlay.T = (*T)(t)
 	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
@@ -274,22 +811,22 @@ func (t *GetBucketAccessControlPolicy) UnmarshalXML(d *xml.Decoder, start xml.St
 }
 
 type GetBucketAccessControlPolicyResponse struct {
-	GetBucketAccessControlPolicyResponse AccessControlPolicy `xml:"http://s3.amazonaws.com/doc/2006-03-01/ GetBucketAccessControlPolicyResponse"`
+	GetBucketAccessControlPolicyResponse AccessControlPolicy `xml:"GetBucketAccessControlPolicyResponse"`
 }
 
 type GetBucketLoggingStatus struct {
-	Bucket         string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Bucket"`
-	AWSAccessKeyId string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AWSAccessKeyId,omitempty"`
-	Timestamp      time.Time `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
-	Signature      string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Signature,omitempty"`
-	Credential     string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Credential,omitempty"`
+	Bucket         string    `xml:"Bucket"`
+	AWSAccessKeyId string    `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp      time.Time `xml:"Timestamp,omitempty"`
+	Signature      string    `xml:"Signature,omitempty"`
+	Credential     string    `xml:"Credential,omitempty"`
 }
 
 func (t *GetBucketLoggingStatus) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T GetBucketLoggingStatus
 	var layout struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	layout.T = (*T)(t)
 	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
@@ -299,7 +836,7 @@ func (t *GetBucketLoggingStatus) UnmarshalXML(d *xml.Decoder, start xml.StartEle
 	type T GetBucketLoggingStatus
 	var overlay struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	overlay.T = (*T)(t)
 	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
@@ -307,26 +844,26 @@ func (t *GetBucketLoggingStatus) UnmarshalXML(d *xml.Decoder, start xml.StartEle
 }
 
 type GetBucketLoggingStatusResponse struct {
-	GetBucketLoggingStatusResponse BucketLoggingStatus `xml:"http://s3.amazonaws.com/doc/2006-03-01/ GetBucketLoggingStatusResponse"`
+	GetBucketLoggingStatusResponse BucketLoggingStatus `xml:"GetBucketLoggingStatusResponse"`
 }
 
 type GetObject struct {
-	Bucket         string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Bucket"`
-	Key            string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Key"`
-	GetMetadata    bool      `xml:"http://s3.amazonaws.com/doc/2006-03-01/ GetMetadata"`
-	GetData        bool      `xml:"http://s3.amazonaws.com/doc/2006-03-01/ GetData"`
-	InlineData     bool      `xml:"http://s3.amazonaws.com/doc/2006-03-01/ InlineData"`
-	AWSAccessKeyId string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AWSAccessKeyId,omitempty"`
-	Timestamp      time.Time `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
-	Signature      string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Signature,omitempty"`
-	Credential     string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Credential,omitempty"`
+	Bucket         string    `xml:"Bucket"`
+	Key            string    `xml:"Key"`
+	GetMetadata    bool      `xml:"GetMetadata"`
+	GetData        bool      `xml:"GetData"`
+	InlineData     bool      `xml:"InlineData"`
+	AWSAccessKeyId string    `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp      time.Time `xml:"Timestamp,omitempty"`
+	Signature      string    `xml:"Signature,omitempty"`
+	Credential     string    `xml:"Credential,omitempty"`
 }
 
 func (t *GetObject) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T GetObject
 	var layout struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	layout.T = (*T)(t)
 	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
@@ -336,7 +873,7 @@ func (t *GetObject) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
 	type T GetObject
 	var overlay struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	overlay.T = (*T)(t)
 	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
@@ -344,19 +881,19 @@ func (t *GetObject) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
 }
 
 type GetObjectAccessControlPolicy struct {
-	Bucket         string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Bucket"`
-	Key            string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Key"`
-	AWSAccessKeyId string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AWSAccessKeyId,omitempty"`
-	Timestamp      time.Time `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
-	Signature      string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Signature,omitempty"`
-	Credential     string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Credential,omitempty"`
+	Bucket         string    `xml:"Bucket"`
+	Key            string    `xml:"Key"`
+	AWSAccessKeyId string    `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp      time.Time `xml:"Timestamp,omitempty"`
+	Signature      string    `xml:"Signature,omitempty"`
+	Credential     string    `xml:"Credential,omitempty"`
 }
 
 func (t *GetObjectAccessControlPolicy) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T GetObjectAccessControlPolicy
 	var layout struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	layout.T = (*T)(t)
 	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
@@ -366,7 +903,7 @@ func (t *GetObjectAccessControlPolicy) UnmarshalXML(d *xml.Decoder, start xml.St
 	type T GetObjectAccessControlPolicy
 	var overlay struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	overlay.T = (*T)(t)
 	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
@@ -374,35 +911,35 @@ func (t *GetObjectAccessControlPolicy) UnmarshalXML(d *xml.Decoder, start xml.St
 }
 
 type GetObjectAccessControlPolicyResponse struct {
-	GetObjectAccessControlPolicyResponse AccessControlPolicy `xml:"http://s3.amazonaws.com/doc/2006-03-01/ GetObjectAccessControlPolicyResponse"`
+	GetObjectAccessControlPolicyResponse AccessControlPolicy `xml:"GetObjectAccessControlPolicyResponse"`
 }
 
 type GetObjectExtended struct {
-	Bucket                                 string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Bucket"`
-	Key                                    string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Key"`
-	GetMetadata                            bool      `xml:"http://s3.amazonaws.com/doc/2006-03-01/ GetMetadata"`
-	GetData                                bool      `xml:"http://s3.amazonaws.com/doc/2006-03-01/ GetData"`
-	InlineData                             bool      `xml:"http://s3.amazonaws.com/doc/2006-03-01/ InlineData"`
-	ByteRangeStart                         int64     `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ByteRangeStart,omitempty"`
-	ByteRangeEnd                           int64     `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ByteRangeEnd,omitempty"`
-	IfModifiedSince                        time.Time `xml:"http://s3.amazonaws.com/doc/2006-03-01/ IfModifiedSince,omitempty"`
-	IfUnmodifiedSince                      time.Time `xml:"http://s3.amazonaws.com/doc/2006-03-01/ IfUnmodifiedSince,omitempty"`
-	IfMatch                                []string  `xml:"http://s3.amazonaws.com/doc/2006-03-01/ IfMatch,omitempty"`
-	IfNoneMatch                            []string  `xml:"http://s3.amazonaws.com/doc/2006-03-01/ IfNoneMatch,omitempty"`
-	ReturnCompleteObjectOnConditionFailure bool      `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ReturnCompleteObjectOnConditionFailure,omitempty"`
-	AWSAccessKeyId                         string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AWSAccessKeyId,omitempty"`
-	Timestamp                              time.Time `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
-	Signature                              string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Signature,omitempty"`
-	Credential                             string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Credential,omitempty"`
+	Bucket                                 string    `xml:"Bucket"`
+	Key                                    string    `xml:"Key"`
+	GetMetadata                            bool      `xml:"GetMetadata"`
+	GetData                                bool      `xml:"GetData"`
+	InlineData                             bool      `xml:"InlineData"`
+	ByteRangeStart                         int64     `xml:"ByteRangeStart,omitempty"`
+	ByteRangeEnd                           int64     `xml:"ByteRangeEnd,omitempty"`
+	IfModifiedSince                        time.Time `xml:"IfModifiedSince,omitempty"`
+	IfUnmodifiedSince                      time.Time `xml:"IfUnmodifiedSince,omitempty"`
+	IfMatch                                []string  `xml:"IfMatch,omitempty"`
+	IfNoneMatch                            []string  `xml:"IfNoneMatch,omitempty"`
+	ReturnCompleteObjectOnConditionFailure bool      `xml:"ReturnCompleteObjectOnConditionFailure,omitempty"`
+	AWSAccessKeyId                         string    `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp                              time.Time `xml:"Timestamp,omitempty"`
+	Signature                              string    `xml:"Signature,omitempty"`
+	Credential                             string    `xml:"Credential,omitempty"`
 }
 
 func (t *GetObjectExtended) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T GetObjectExtended
 	var layout struct {
 		*T
-		IfModifiedSince   *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ IfModifiedSince,omitempty"`
-		IfUnmodifiedSince *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ IfUnmodifiedSince,omitempty"`
-		Timestamp         *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		IfModifiedSince   *xsdDateTime `xml:"IfModifiedSince,omitempty"`
+		IfUnmodifiedSince *xsdDateTime `xml:"IfUnmodifiedSince,omitempty"`
+		Timestamp         *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	layout.T = (*T)(t)
 	layout.IfModifiedSince = (*xsdDateTime)(&layout.T.IfModifiedSince)
@@ -414,9 +951,9 @@ func (t *GetObjectExtended) UnmarshalXML(d *xml.Decoder, start xml.StartElement)
 	type T GetObjectExtended
 	var overlay struct {
 		*T
-		IfModifiedSince   *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ IfModifiedSince,omitempty"`
-		IfUnmodifiedSince *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ IfUnmodifiedSince,omitempty"`
-		Timestamp         *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		IfModifiedSince   *xsdDateTime `xml:"IfModifiedSince,omitempty"`
+		IfUnmodifiedSince *xsdDateTime `xml:"IfUnmodifiedSince,omitempty"`
+		Timestamp         *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	overlay.T = (*T)(t)
 	overlay.IfModifiedSince = (*xsdDateTime)(&overlay.T.IfModifiedSince)
@@ -426,27 +963,27 @@ func (t *GetObjectExtended) UnmarshalXML(d *xml.Decoder, start xml.StartElement)
 }
 
 type GetObjectExtendedResponse struct {
-	GetObjectResponse GetObjectResult `xml:"http://s3.amazonaws.com/doc/2006-03-01/ GetObjectResponse"`
+	GetObjectResponse GetObjectResult `xml:"GetObjectResponse"`
 }
 
 type GetObjectResponse struct {
-	GetObjectResponse GetObjectResult `xml:"http://s3.amazonaws.com/doc/2006-03-01/ GetObjectResponse"`
+	GetObjectResponse GetObjectResult `xml:"GetObjectResponse"`
 }
 
 type GetObjectResult struct {
-	Metadata     []MetadataEntry `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Metadata,omitempty"`
-	Data         []byte          `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Data,omitempty"`
-	LastModified time.Time       `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LastModified"`
-	ETag         string          `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ETag"`
-	Status       Status          `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Status"`
+	Status       Status          `xml:"Status"`
+	Metadata     []MetadataEntry `xml:"Metadata,omitempty"`
+	Data         []byte          `xml:"Data,omitempty"`
+	LastModified time.Time       `xml:"LastModified"`
+	ETag         string          `xml:"ETag"`
 }
 
 func (t *GetObjectResult) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T GetObjectResult
 	var layout struct {
 		*T
-		Data         *xsdBase64Binary `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Data,omitempty"`
-		LastModified *xsdDateTime     `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LastModified"`
+		Data         *xsdBase64Binary `xml:"Data,omitempty"`
+		LastModified *xsdDateTime     `xml:"LastModified"`
 	}
 	layout.T = (*T)(t)
 	layout.Data = (*xsdBase64Binary)(&layout.T.Data)
@@ -457,8 +994,8 @@ func (t *GetObjectResult) UnmarshalXML(d *xml.Decoder, start xml.StartElement) e
 	type T GetObjectResult
 	var overlay struct {
 		*T
-		Data         *xsdBase64Binary `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Data,omitempty"`
-		LastModified *xsdDateTime     `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LastModified"`
+		Data         *xsdBase64Binary `xml:"Data,omitempty"`
+		LastModified *xsdDateTime     `xml:"LastModified"`
 	}
 	overlay.T = (*T)(t)
 	overlay.Data = (*xsdBase64Binary)(&overlay.T.Data)
@@ -471,30 +1008,21 @@ type Grant struct {
 	Permission Permission `xml:"Permission"`
 }
 
-type Grantee struct {
-	XMLNS       string `xml:"xmlns:xsi,attr"`
-	XMLXSI      string `xml:"xsi:type,attr"`
-	Type        string `xml:"Type"`
-	ID          string `xml:"ID,omitempty"`
-	DisplayName string `xml:"DisplayName,omitempty"`
-	URI         string `xml:"URI,omitempty"`
-}
-
 type Group struct {
-	URI string `xml:"http://s3.amazonaws.com/doc/2006-03-01/ URI"`
+	URI string `xml:"URI"`
 }
 
 type ListAllMyBuckets struct {
-	AWSAccessKeyId string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AWSAccessKeyId,omitempty"`
-	Timestamp      time.Time `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
-	Signature      string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Signature,omitempty"`
+	AWSAccessKeyId string    `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp      time.Time `xml:"Timestamp,omitempty"`
+	Signature      string    `xml:"Signature,omitempty"`
 }
 
 func (t *ListAllMyBuckets) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T ListAllMyBuckets
 	var layout struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	layout.T = (*T)(t)
 	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
@@ -504,7 +1032,7 @@ func (t *ListAllMyBuckets) UnmarshalXML(d *xml.Decoder, start xml.StartElement)
 	type T ListAllMyBuckets
 	var overlay struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	overlay.T = (*T)(t)
 	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
@@ -542,26 +1070,31 @@ type ListAllMyBucketsList struct {
 }
 
 type ListAllMyBucketsResponse struct {
-	ListAllMyBucketsResponse ListAllMyBucketsResult `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListAllMyBucketsResponse"`
+	ListAllMyBucketsResponse ListAllMyBucketsResult `xml:"ListAllMyBucketsResponse"`
+}
+
+type ListAllMyBucketsResult struct {
+	Owner   CanonicalUser        `xml:"Owner"`
+	Buckets ListAllMyBucketsList `xml:"Buckets"`
 }
 
 type ListBucket struct {
-	Bucket         string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Bucket"`
-	Prefix         string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Prefix,omitempty"`
-	Marker         string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Marker,omitempty"`
-	MaxKeys        int       `xml:"http://s3.amazonaws.com/doc/2006-03-01/ MaxKeys,omitempty"`
-	Delimiter      string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Delimiter,omitempty"`
-	AWSAccessKeyId string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AWSAccessKeyId,omitempty"`
-	Timestamp      time.Time `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
-	Signature      string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Signature,omitempty"`
-	Credential     string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Credential,omitempty"`
+	Bucket         string    `xml:"Bucket"`
+	Prefix         string    `xml:"Prefix,omitempty"`
+	Marker         string    `xml:"Marker,omitempty"`
+	MaxKeys        int       `xml:"MaxKeys,omitempty"`
+	Delimiter      string    `xml:"Delimiter,omitempty"`
+	AWSAccessKeyId string    `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp      time.Time `xml:"Timestamp,omitempty"`
+	Signature      string    `xml:"Signature,omitempty"`
+	Credential     string    `xml:"Credential,omitempty"`
 }
 
 func (t *ListBucket) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T ListBucket
 	var layout struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	layout.T = (*T)(t)
 	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
@@ -571,7 +1104,7 @@ func (t *ListBucket) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error
 	type T ListBucket
 	var overlay struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	overlay.T = (*T)(t)
 	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
@@ -579,11 +1112,10 @@ func (t *ListBucket) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error
 }
 
 type ListBucketResponse struct {
-	ListBucketResponse ListBucketResult `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListBucketResponse"`
+	ListBucketResponse ListBucketResult `xml:"ListBucketResponse"`
 }
 
 type ListBucketResult struct {
-	XMLName        xml.Name        `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListBucketResult"`
 	Metadata       []MetadataEntry `xml:"Metadata,omitempty"`
 	Name           string          `xml:"Name"`
 	Prefix         string          `xml:"Prefix"`
@@ -594,6 +1126,7 @@ type ListBucketResult struct {
 	IsTruncated    bool            `xml:"IsTruncated"`
 	Contents       []ListEntry     `xml:"Contents,omitempty"`
 	CommonPrefixes []PrefixEntry   `xml:"CommonPrefixes,omitempty"`
+	EncodingType   string          `xml:"EncodingType"`
 }
 
 type ListEntry struct {
@@ -627,48 +1160,44 @@ func (t *ListEntry) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
 }
 
 type ListVersionsResponse struct {
-	ListVersionsResponse ListVersionsResult `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ListVersionsResponse"`
+	ListVersionsResponse ListVersionsResult `xml:"ListVersionsResponse"`
 }
 
 type ListVersionsResult struct {
-	Metadata            []MetadataEntry   `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Metadata,omitempty"`
-	Name                string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Name"`
-	Prefix              string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Prefix"`
-	KeyMarker           string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ KeyMarker"`
-	VersionIdMarker     string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ VersionIdMarker"`
-	NextKeyMarker       string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ NextKeyMarker,omitempty"`
-	NextVersionIdMarker string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ NextVersionIdMarker,omitempty"`
-	MaxKeys             int               `xml:"http://s3.amazonaws.com/doc/2006-03-01/ MaxKeys"`
-	Delimiter           string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Delimiter,omitempty"`
-	IsTruncated         bool              `xml:"http://s3.amazonaws.com/doc/2006-03-01/ IsTruncated"`
-	Version             VersionEntry      `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Version"`
-	DeleteMarker        DeleteMarkerEntry `xml:"http://s3.amazonaws.com/doc/2006-03-01/ DeleteMarker"`
-	CommonPrefixes      []PrefixEntry     `xml:"http://s3.amazonaws.com/doc/2006-03-01/ CommonPrefixes,omitempty"`
-}
-
-type LocationConstraint struct {
-	LocationConstraint string `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LocationConstraint"`
+	Metadata            []MetadataEntry   `xml:"Metadata,omitempty"`
+	Name                string            `xml:"Name"`
+	Prefix              string            `xml:"Prefix"`
+	KeyMarker           string            `xml:"KeyMarker"`
+	VersionIdMarker     string            `xml:"VersionIdMarker"`
+	NextKeyMarker       string            `xml:"NextKeyMarker,omitempty"`
+	NextVersionIdMarker string            `xml:"NextVersionIdMarker,omitempty"`
+	MaxKeys             int               `xml:"MaxKeys"`
+	Delimiter           string            `xml:"Delimiter,omitempty"`
+	IsTruncated         bool              `xml:"IsTruncated"`
+	Version             VersionEntry      `xml:"Version,omitempty"`
+	DeleteMarker        DeleteMarkerEntry `xml:"DeleteMarker,omitempty"`
+	CommonPrefixes      []PrefixEntry     `xml:"CommonPrefixes,omitempty"`
 }
 
 type LoggingSettings struct {
-	TargetBucket string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ TargetBucket"`
-	TargetPrefix string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ TargetPrefix"`
-	TargetGrants AccessControlList `xml:"http://s3.amazonaws.com/doc/2006-03-01/ TargetGrants,omitempty"`
+	TargetBucket string            `xml:"TargetBucket"`
+	TargetPrefix string            `xml:"TargetPrefix"`
+	TargetGrants AccessControlList `xml:"TargetGrants,omitempty"`
 }
 
 // May be one of COPY, REPLACE
 type MetadataDirective string
 
 type MetadataEntry struct {
-	Name  string `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Name"`
-	Value string `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Value"`
+	Name  string `xml:"Name"`
+	Value string `xml:"Value"`
 }
 
 // May be one of Enabled, Disabled
 type MfaDeleteStatus string
 
 type NotificationConfiguration struct {
-	TopicConfiguration []TopicConfiguration `xml:"http://s3.amazonaws.com/doc/2006-03-01/ TopicConfiguration,omitempty"`
+	TopicConfiguration []TopicConfiguration `xml:"TopicConfiguration,omitempty"`
 }
 
 // May be one of BucketOwner, Requester
@@ -678,10 +1207,10 @@ type Payer string
 type Permission string
 
 type PostResponse struct {
-	Location string `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Location"`
-	Bucket   string `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Bucket"`
-	Key      string `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Key"`
-	ETag     string `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ETag"`
+	Location string `xml:"Location"`
+	Bucket   string `xml:"Bucket"`
+	Key      string `xml:"Key"`
+	ETag     string `xml:"ETag"`
 }
 
 type PrefixEntry struct {
@@ -689,23 +1218,23 @@ type PrefixEntry struct {
 }
 
 type PutObject struct {
-	Bucket            string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Bucket"`
-	Key               string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Key"`
-	Metadata          []MetadataEntry   `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Metadata,omitempty"`
-	ContentLength     int64             `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ContentLength"`
-	AccessControlList AccessControlList `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AccessControlList,omitempty"`
-	StorageClass      StorageClass      `xml:"http://s3.amazonaws.com/doc/2006-03-01/ StorageClass,omitempty"`
-	AWSAccessKeyId    string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AWSAccessKeyId,omitempty"`
-	Timestamp         time.Time         `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
-	Signature         string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Signature,omitempty"`
-	Credential        string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Credential,omitempty"`
+	Bucket            string            `xml:"Bucket"`
+	Key               string            `xml:"Key"`
+	Metadata          []MetadataEntry   `xml:"Metadata,omitempty"`
+	ContentLength     int64             `xml:"ContentLength"`
+	AccessControlList AccessControlList `xml:"AccessControlList,omitempty"`
+	StorageClass      StorageClass      `xml:"StorageClass,omitempty"`
+	AWSAccessKeyId    string            `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp         time.Time         `xml:"Timestamp,omitempty"`
+	Signature         string            `xml:"Signature,omitempty"`
+	Credential        string            `xml:"Credential,omitempty"`
 }
 
 func (t *PutObject) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T PutObject
 	var layout struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	layout.T = (*T)(t)
 	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
@@ -715,7 +1244,7 @@ func (t *PutObject) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
 	type T PutObject
 	var overlay struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	overlay.T = (*T)(t)
 	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
@@ -723,25 +1252,25 @@ func (t *PutObject) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
 }
 
 type PutObjectInline struct {
-	Bucket            string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Bucket"`
-	Key               string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Key"`
-	Metadata          []MetadataEntry   `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Metadata,omitempty"`
-	Data              []byte            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Data"`
-	ContentLength     int64             `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ContentLength"`
-	AccessControlList AccessControlList `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AccessControlList,omitempty"`
-	StorageClass      StorageClass      `xml:"http://s3.amazonaws.com/doc/2006-03-01/ StorageClass,omitempty"`
-	AWSAccessKeyId    string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AWSAccessKeyId,omitempty"`
-	Timestamp         time.Time         `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
-	Signature         string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Signature,omitempty"`
-	Credential        string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Credential,omitempty"`
+	Bucket            string            `xml:"Bucket"`
+	Key               string            `xml:"Key"`
+	Metadata          []MetadataEntry   `xml:"Metadata,omitempty"`
+	Data              []byte            `xml:"Data"`
+	ContentLength     int64             `xml:"ContentLength"`
+	AccessControlList AccessControlList `xml:"AccessControlList,omitempty"`
+	StorageClass      StorageClass      `xml:"StorageClass,omitempty"`
+	AWSAccessKeyId    string            `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp         time.Time         `xml:"Timestamp,omitempty"`
+	Signature         string            `xml:"Signature,omitempty"`
+	Credential        string            `xml:"Credential,omitempty"`
 }
 
 func (t *PutObjectInline) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T PutObjectInline
 	var layout struct {
 		*T
-		Data      *xsdBase64Binary `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Data"`
-		Timestamp *xsdDateTime     `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Data      *xsdBase64Binary `xml:"Data"`
+		Timestamp *xsdDateTime     `xml:"Timestamp,omitempty"`
 	}
 	layout.T = (*T)(t)
 	layout.Data = (*xsdBase64Binary)(&layout.T.Data)
@@ -752,8 +1281,8 @@ func (t *PutObjectInline) UnmarshalXML(d *xml.Decoder, start xml.StartElement) e
 	type T PutObjectInline
 	var overlay struct {
 		*T
-		Data      *xsdBase64Binary `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Data"`
-		Timestamp *xsdDateTime     `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Data      *xsdBase64Binary `xml:"Data"`
+		Timestamp *xsdDateTime     `xml:"Timestamp,omitempty"`
 	}
 	overlay.T = (*T)(t)
 	overlay.Data = (*xsdBase64Binary)(&overlay.T.Data)
@@ -762,23 +1291,23 @@ func (t *PutObjectInline) UnmarshalXML(d *xml.Decoder, start xml.StartElement) e
 }
 
 type PutObjectInlineResponse struct {
-	PutObjectInlineResponse PutObjectResult `xml:"http://s3.amazonaws.com/doc/2006-03-01/ PutObjectInlineResponse"`
+	PutObjectInlineResponse PutObjectResult `xml:"PutObjectInlineResponse"`
 }
 
 type PutObjectResponse struct {
-	PutObjectResponse PutObjectResult `xml:"http://s3.amazonaws.com/doc/2006-03-01/ PutObjectResponse"`
+	PutObjectResponse PutObjectResult `xml:"PutObjectResponse"`
 }
 
 type PutObjectResult struct {
-	ETag         string    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ETag"`
-	LastModified time.Time `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LastModified"`
+	ETag         string    `xml:"ETag"`
+	LastModified time.Time `xml:"LastModified"`
 }
 
 func (t *PutObjectResult) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T PutObjectResult
 	var layout struct {
 		*T
-		LastModified *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LastModified"`
+		LastModified *xsdDateTime `xml:"LastModified"`
 	}
 	layout.T = (*T)(t)
 	layout.LastModified = (*xsdDateTime)(&layout.T.LastModified)
@@ -788,7 +1317,7 @@ func (t *PutObjectResult) UnmarshalXML(d *xml.Decoder, start xml.StartElement) e
 	type T PutObjectResult
 	var overlay struct {
 		*T
-		LastModified *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LastModified"`
+		LastModified *xsdDateTime `xml:"LastModified"`
 	}
 	overlay.T = (*T)(t)
 	overlay.LastModified = (*xsdDateTime)(&overlay.T.LastModified)
@@ -796,27 +1325,27 @@ func (t *PutObjectResult) UnmarshalXML(d *xml.Decoder, start xml.StartElement) e
 }
 
 type RequestPaymentConfiguration struct {
-	Payer Payer `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Payer"`
+	Payer Payer `xml:"Payer"`
 }
 
 type Result struct {
-	Status Status `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Status"`
+	Status Status `xml:"Status"`
 }
 
 type SetBucketAccessControlPolicy struct {
-	Bucket            string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Bucket"`
-	AccessControlList AccessControlList `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AccessControlList,omitempty"`
-	AWSAccessKeyId    string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AWSAccessKeyId,omitempty"`
-	Timestamp         time.Time         `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
-	Signature         string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Signature,omitempty"`
-	Credential        string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Credential,omitempty"`
+	Bucket            string            `xml:"Bucket"`
+	AccessControlList AccessControlList `xml:"AccessControlList,omitempty"`
+	AWSAccessKeyId    string            `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp         time.Time         `xml:"Timestamp,omitempty"`
+	Signature         string            `xml:"Signature,omitempty"`
+	Credential        string            `xml:"Credential,omitempty"`
 }
 
 func (t *SetBucketAccessControlPolicy) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T SetBucketAccessControlPolicy
 	var layout struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	layout.T = (*T)(t)
 	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
@@ -826,7 +1355,7 @@ func (t *SetBucketAccessControlPolicy) UnmarshalXML(d *xml.Decoder, start xml.St
 	type T SetBucketAccessControlPolicy
 	var overlay struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	overlay.T = (*T)(t)
 	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
@@ -837,19 +1366,19 @@ type SetBucketAccessControlPolicyResponse struct {
 }
 
 type SetBucketLoggingStatus struct {
-	Bucket              string              `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Bucket"`
-	AWSAccessKeyId      string              `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AWSAccessKeyId,omitempty"`
-	Timestamp           time.Time           `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
-	Signature           string              `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Signature,omitempty"`
-	Credential          string              `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Credential,omitempty"`
-	BucketLoggingStatus BucketLoggingStatus `xml:"http://s3.amazonaws.com/doc/2006-03-01/ BucketLoggingStatus"`
+	Bucket              string              `xml:"Bucket"`
+	AWSAccessKeyId      string              `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp           time.Time           `xml:"Timestamp,omitempty"`
+	Signature           string              `xml:"Signature,omitempty"`
+	Credential          string              `xml:"Credential,omitempty"`
+	BucketLoggingStatus BucketLoggingStatus `xml:"BucketLoggingStatus"`
 }
 
 func (t *SetBucketLoggingStatus) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T SetBucketLoggingStatus
 	var layout struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	layout.T = (*T)(t)
 	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
@@ -859,7 +1388,7 @@ func (t *SetBucketLoggingStatus) UnmarshalXML(d *xml.Decoder, start xml.StartEle
 	type T SetBucketLoggingStatus
 	var overlay struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	overlay.T = (*T)(t)
 	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
@@ -870,20 +1399,20 @@ type SetBucketLoggingStatusResponse struct {
 }
 
 type SetObjectAccessControlPolicy struct {
-	Bucket            string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Bucket"`
-	Key               string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Key"`
-	AccessControlList AccessControlList `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AccessControlList"`
-	AWSAccessKeyId    string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AWSAccessKeyId,omitempty"`
-	Timestamp         time.Time         `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
-	Signature         string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Signature,omitempty"`
-	Credential        string            `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Credential,omitempty"`
+	Bucket            string            `xml:"Bucket"`
+	Key               string            `xml:"Key"`
+	AccessControlList AccessControlList `xml:"AccessControlList"`
+	AWSAccessKeyId    string            `xml:"AWSAccessKeyId,omitempty"`
+	Timestamp         time.Time         `xml:"Timestamp,omitempty"`
+	Signature         string            `xml:"Signature,omitempty"`
+	Credential        string            `xml:"Credential,omitempty"`
 }
 
 func (t *SetObjectAccessControlPolicy) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T SetObjectAccessControlPolicy
 	var layout struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	layout.T = (*T)(t)
 	layout.Timestamp = (*xsdDateTime)(&layout.T.Timestamp)
@@ -893,7 +1422,7 @@ func (t *SetObjectAccessControlPolicy) UnmarshalXML(d *xml.Decoder, start xml.St
 	type T SetObjectAccessControlPolicy
 	var overlay struct {
 		*T
-		Timestamp *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Timestamp,omitempty"`
+		Timestamp *xsdDateTime `xml:"Timestamp,omitempty"`
 	}
 	overlay.T = (*T)(t)
 	overlay.Timestamp = (*xsdDateTime)(&overlay.T.Timestamp)
@@ -904,37 +1433,37 @@ type SetObjectAccessControlPolicyResponse struct {
 }
 
 type Status struct {
-	Code        int    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Code"`
-	Description string `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Description"`
+	Code        int    `xml:"Code"`
+	Description string `xml:"Description"`
 }
 
 // May be one of STANDARD, REDUCED_REDUNDANCY, GLACIER, UNKNOWN
 type StorageClass string
 
 type TopicConfiguration struct {
-	Topic string   `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Topic"`
-	Event []string `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Event"`
+	Topic string   `xml:"Topic"`
+	Event []string `xml:"Event"`
 }
 
 type User struct {
 }
 
 type VersionEntry struct {
-	Key          string        `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Key"`
-	VersionId    string        `xml:"http://s3.amazonaws.com/doc/2006-03-01/ VersionId"`
-	IsLatest     bool          `xml:"http://s3.amazonaws.com/doc/2006-03-01/ IsLatest"`
-	LastModified time.Time     `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LastModified"`
-	ETag         string        `xml:"http://s3.amazonaws.com/doc/2006-03-01/ ETag"`
-	Size         int64         `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Size"`
-	Owner        CanonicalUser `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Owner,omitempty"`
-	StorageClass StorageClass  `xml:"http://s3.amazonaws.com/doc/2006-03-01/ StorageClass"`
+	Key          string        `xml:"Key"`
+	VersionId    string        `xml:"VersionId"`
+	IsLatest     bool          `xml:"IsLatest"`
+	LastModified time.Time     `xml:"LastModified"`
+	ETag         string        `xml:"ETag"`
+	Size         int64         `xml:"Size"`
+	Owner        CanonicalUser `xml:"Owner,omitempty"`
+	StorageClass StorageClass  `xml:"StorageClass"`
 }
 
 func (t *VersionEntry) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	type T VersionEntry
 	var layout struct {
 		*T
-		LastModified *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LastModified"`
+		LastModified *xsdDateTime `xml:"LastModified"`
 	}
 	layout.T = (*T)(t)
 	layout.LastModified = (*xsdDateTime)(&layout.T.LastModified)
@@ -944,7 +1473,7 @@ func (t *VersionEntry) UnmarshalXML(d *xml.Decoder, start xml.StartElement) erro
 	type T VersionEntry
 	var overlay struct {
 		*T
-		LastModified *xsdDateTime `xml:"http://s3.amazonaws.com/doc/2006-03-01/ LastModified"`
+		LastModified *xsdDateTime `xml:"LastModified"`
 	}
 	overlay.T = (*T)(t)
 	overlay.LastModified = (*xsdDateTime)(&overlay.T.LastModified)
@@ -952,8 +1481,8 @@ func (t *VersionEntry) UnmarshalXML(d *xml.Decoder, start xml.StartElement) erro
 }
 
 type VersioningConfiguration struct {
-	Status    VersioningStatus `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Status,omitempty"`
-	MfaDelete MfaDeleteStatus  `xml:"http://s3.amazonaws.com/doc/2006-03-01/ MfaDelete,omitempty"`
+	Status    VersioningStatus `xml:"Status,omitempty"`
+	MfaDelete MfaDeleteStatus  `xml:"MfaDelete,omitempty"`
 }
 
 // May be one of Enabled, Suspended
@@ -976,10 +1505,10 @@ func (b xsdBase64Binary) MarshalText() ([]byte, error) {
 type xsdDateTime time.Time
 
 func (t *xsdDateTime) UnmarshalText(text []byte) error {
-	return _unmarshalTime(text, (*time.Time)(t), s3TimeFormat)
+	return _unmarshalTime(text, (*time.Time)(t), "2006-01-02T15:04:05.999999999")
 }
 func (t xsdDateTime) MarshalText() ([]byte, error) {
-	return []byte((time.Time)(t).Format(s3TimeFormat)), nil
+	return _marshalTime((time.Time)(t), "2006-01-02T15:04:05.999999999")
 }
 func (t xsdDateTime) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
 	if (time.Time)(t).IsZero() {
@@ -1006,3 +1535,6 @@ func _unmarshalTime(text []byte, t *time.Time, format string) (err error) {
 	}
 	return err
 }
+func _marshalTime(t time.Time, format string) ([]byte, error) {
+	return []byte(t.Format(format + "Z07:00")), nil
+}
diff --git a/weed/s3api/s3api_xsd_generated_helper.go b/weed/s3api/s3api_xsd_generated_helper.go
new file mode 100644
index 000000000..24cdd2289
--- /dev/null
+++ b/weed/s3api/s3api_xsd_generated_helper.go
@@ -0,0 +1,10 @@
+package s3api
+
+type Grantee struct {
+	XMLNS       string `xml:"xmlns:xsi,attr"`
+	XMLXSI      string `xml:"xsi:type,attr"`
+	Type        string `xml:"Type"`
+	ID          string `xml:"ID,omitempty"`
+	DisplayName string `xml:"DisplayName,omitempty"`
+	URI         string `xml:"URI,omitempty"`
+}
diff --git a/weed/s3api/s3err/error_handler.go b/weed/s3api/s3err/error_handler.go
index 3fb04a313..466c0e61b 100644
--- a/weed/s3api/s3err/error_handler.go
+++ b/weed/s3api/s3err/error_handler.go
@@ -79,6 +79,7 @@ func setCommonHeaders(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set("Accept-Ranges", "bytes")
 	if r.Header.Get("Origin") != "" {
 		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.Header().Set("Access-Control-Expose-Headers", "*")
 		w.Header().Set("Access-Control-Allow-Credentials", "true")
 	}
 }
diff --git a/weed/security/tls.go b/weed/security/tls.go
index ae6510219..1a9dfacb5 100644
--- a/weed/security/tls.go
+++ b/weed/security/tls.go
@@ -4,16 +4,17 @@ import (
 	"crypto/tls"
 	"crypto/x509"
 	"fmt"
-	"google.golang.org/grpc/credentials/insecure"
-	"google.golang.org/grpc/credentials/tls/certprovider/pemfile"
-	"google.golang.org/grpc/security/advancedtls"
 	"os"
+	"slices"
 	"strings"
 	"time"
 
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
+	"google.golang.org/grpc/credentials/tls/certprovider/pemfile"
+	"google.golang.org/grpc/security/advancedtls"
 )
 
 const CredRefreshingInterval = time.Duration(5) * time.Hour
@@ -54,7 +55,7 @@ func LoadServerTLS(config *util.ViperProxy, component string) (grpc.ServerOption
 	}
 
 	// Start a server and create a client using advancedtls API with Provider.
-	options := &advancedtls.ServerOptions{
+	options := &advancedtls.Options{
 		IdentityOptions: advancedtls.IdentityCertificateOptions{
 			IdentityProvider: serverIdentityProvider,
 		},
@@ -62,7 +63,22 @@ func LoadServerTLS(config *util.ViperProxy, component string) (grpc.ServerOption
 			RootProvider: serverRootProvider,
 		},
 		RequireClientCert: true,
-		VType:             advancedtls.CertVerification,
+		VerificationType:  advancedtls.CertVerification,
+	}
+	options.MinTLSVersion, err = TlsVersionByName(config.GetString("tls.min_version"))
+	if err != nil {
+		glog.Warningf("tls min version parse failed, %v", err)
+		return nil, nil
+	}
+	options.MaxTLSVersion, err = TlsVersionByName(config.GetString("tls.max_version"))
+	if err != nil {
+		glog.Warningf("tls max version parse failed, %v", err)
+		return nil, nil
+	}
+	options.CipherSuites, err = TlsCipherSuiteByNames(config.GetString("tls.cipher_suites"))
+	if err != nil {
+		glog.Warningf("tls cipher suite parse failed, %v", err)
+		return nil, nil
 	}
 	allowedCommonNames := config.GetString(component + ".allowed_commonNames")
 	allowedWildcardDomain := config.GetString("grpc.allowed_wildcard_domain")
@@ -75,10 +91,10 @@ func LoadServerTLS(config *util.ViperProxy, component string) (grpc.ServerOption
 			AllowedCommonNames:    allowedCommonNamesMap,
 			AllowedWildcardDomain: allowedWildcardDomain,
 		}
-		options.VerifyPeer = auther.Authenticate
+		options.AdditionalPeerVerification = auther.Authenticate
 	} else {
-		options.VerifyPeer = func(params *advancedtls.VerificationFuncParams) (*advancedtls.VerificationResults, error) {
-			return &advancedtls.VerificationResults{}, nil
+		options.AdditionalPeerVerification = func(params *advancedtls.HandshakeVerificationInfo) (*advancedtls.PostHandshakeVerificationResults, error) {
+			return &advancedtls.PostHandshakeVerificationResults{}, nil
 		}
 	}
 	ta, err := advancedtls.NewServerCreds(options)
@@ -118,17 +134,17 @@ func LoadClientTLS(config *util.ViperProxy, component string) grpc.DialOption {
 		glog.Warningf("pemfile.NewProvider(%v) failed: %v", clientRootOptions, err)
 		return grpc.WithTransportCredentials(insecure.NewCredentials())
 	}
-	options := &advancedtls.ClientOptions{
+	options := &advancedtls.Options{
 		IdentityOptions: advancedtls.IdentityCertificateOptions{
 			IdentityProvider: clientProvider,
 		},
-		VerifyPeer: func(params *advancedtls.VerificationFuncParams) (*advancedtls.VerificationResults, error) {
-			return &advancedtls.VerificationResults{}, nil
+		AdditionalPeerVerification: func(params *advancedtls.HandshakeVerificationInfo) (*advancedtls.PostHandshakeVerificationResults, error) {
+			return &advancedtls.PostHandshakeVerificationResults{}, nil
 		},
 		RootOptions: advancedtls.RootCertificateOptions{
 			RootProvider: clientRootProvider,
 		},
-		VType: advancedtls.CertVerification,
+		VerificationType: advancedtls.CertVerification,
 	}
 	ta, err := advancedtls.NewClientCreds(options)
 	if err != nil {
@@ -155,14 +171,68 @@ func LoadClientTLSHTTP(clientCertFile string) *tls.Config {
 	}
 }
 
-func (a Authenticator) Authenticate(params *advancedtls.VerificationFuncParams) (*advancedtls.VerificationResults, error) {
+func (a Authenticator) Authenticate(params *advancedtls.HandshakeVerificationInfo) (*advancedtls.PostHandshakeVerificationResults, error) {
 	if a.AllowedWildcardDomain != "" && strings.HasSuffix(params.Leaf.Subject.CommonName, a.AllowedWildcardDomain) {
-		return &advancedtls.VerificationResults{}, nil
+		return &advancedtls.PostHandshakeVerificationResults{}, nil
 	}
 	if _, ok := a.AllowedCommonNames[params.Leaf.Subject.CommonName]; ok {
-		return &advancedtls.VerificationResults{}, nil
+		return &advancedtls.PostHandshakeVerificationResults{}, nil
 	}
 	err := fmt.Errorf("Authenticate: invalid subject client common name: %s", params.Leaf.Subject.CommonName)
 	glog.Error(err)
 	return nil, err
 }
+
+func FixTlsConfig(viper *util.ViperProxy, config *tls.Config) error {
+	var err error
+	config.MinVersion, err = TlsVersionByName(viper.GetString("tls.min_version"))
+	if err != nil {
+		return err
+	}
+	config.MaxVersion, err = TlsVersionByName(viper.GetString("tls.max_version"))
+	if err != nil {
+		return err
+	}
+	config.CipherSuites, err = TlsCipherSuiteByNames(viper.GetString("tls.cipher_suites"))
+	return err
+}
+
+func TlsVersionByName(name string) (uint16, error) {
+	switch name {
+	case "":
+		return 0, nil
+	case "SSLv3":
+		return tls.VersionSSL30, nil
+	case "TLS 1.0":
+		return tls.VersionTLS10, nil
+	case "TLS 1.1":
+		return tls.VersionTLS11, nil
+	case "TLS 1.2":
+		return tls.VersionTLS12, nil
+	case "TLS 1.3":
+		return tls.VersionTLS13, nil
+	default:
+		return 0, fmt.Errorf("invalid tls version %s", name)
+	}
+}
+
+func TlsCipherSuiteByNames(cipherSuiteNames string) ([]uint16, error) {
+	cipherSuiteNames = strings.TrimSpace(cipherSuiteNames)
+	if cipherSuiteNames == "" {
+		return nil, nil
+	}
+	names := strings.Split(cipherSuiteNames, ",")
+	cipherSuites := tls.CipherSuites()
+	cipherIds := make([]uint16, 0, len(names))
+	for _, name := range names {
+		name = strings.TrimSpace(name)
+		index := slices.IndexFunc(cipherSuites, func(suite *tls.CipherSuite) bool {
+			return name == suite.Name
+		})
+		if index == -1 {
+			return nil, fmt.Errorf("invalid tls cipher suite name %s", name)
+		}
+		cipherIds = append(cipherIds, cipherSuites[index].ID)
+	}
+	return cipherIds, nil
+}
diff --git a/weed/sequence/memory_sequencer.go b/weed/sequence/memory_sequencer.go
index 6e879bd79..92944266c 100644
--- a/weed/sequence/memory_sequencer.go
+++ b/weed/sequence/memory_sequencer.go
@@ -30,7 +30,3 @@ func (m *MemorySequencer) SetMax(seenValue uint64) {
 		m.counter = seenValue + 1
 	}
 }
-
-func (m *MemorySequencer) Peek() uint64 {
-	return m.counter
-}
diff --git a/weed/sequence/sequence.go b/weed/sequence/sequence.go
index 2258d001b..49de63b73 100644
--- a/weed/sequence/sequence.go
+++ b/weed/sequence/sequence.go
@@ -3,5 +3,4 @@ package sequence
 type Sequencer interface {
 	NextFileId(count uint64) uint64
 	SetMax(uint64)
-	Peek() uint64
 }
diff --git a/weed/sequence/snowflake_sequencer.go b/weed/sequence/snowflake_sequencer.go
index b63198349..05694f681 100644
--- a/weed/sequence/snowflake_sequencer.go
+++ b/weed/sequence/snowflake_sequencer.go
@@ -42,8 +42,3 @@ func (m *SnowflakeSequencer) NextFileId(count uint64) uint64 {
 // ignore setmax as we are snowflake
 func (m *SnowflakeSequencer) SetMax(seenValue uint64) {
 }
-
-// return a new id as no Peek is stored
-func (m *SnowflakeSequencer) Peek() uint64 {
-	return uint64(m.node.Generate().Int64())
-}
diff --git a/weed/server/common.go b/weed/server/common.go
index a7d67fb2e..e6f6cdb88 100644
--- a/weed/server/common.go
+++ b/weed/server/common.go
@@ -127,7 +127,7 @@ func debug(params ...interface{}) {
 
 func submitForClientHandler(w http.ResponseWriter, r *http.Request, masterFn operation.GetMasterFn, grpcDialOption grpc.DialOption) {
 	m := make(map[string]interface{})
-	if r.Method != "POST" {
+	if r.Method != http.MethodPost {
 		writeJsonError(w, r, http.StatusMethodNotAllowed, errors.New("Only submit via POST!"))
 		return
 	}
@@ -181,7 +181,12 @@ func submitForClientHandler(w http.ResponseWriter, r *http.Request, masterFn ope
 		PairMap:           pu.PairMap,
 		Jwt:               assignResult.Auth,
 	}
-	uploadResult, err := operation.UploadData(pu.Data, uploadOption)
+	uploader, err := operation.NewUploader()
+	if err != nil {
+		writeJsonError(w, r, http.StatusInternalServerError, err)
+		return
+	}
+	uploadResult, err := uploader.UploadData(pu.Data, uploadOption)
 	if err != nil {
 		writeJsonError(w, r, http.StatusInternalServerError, err)
 		return
@@ -260,7 +265,7 @@ func handleStaticResources2(r *mux.Router) {
 	r.PathPrefix("/seaweedfsstatic/").Handler(http.StripPrefix("/seaweedfsstatic", http.FileServer(http.FS(StaticFS))))
 }
 
-func adjustPassthroughHeaders(w http.ResponseWriter, r *http.Request, filename string) {
+func AdjustPassthroughHeaders(w http.ResponseWriter, r *http.Request, filename string) {
 	for header, values := range r.Header {
 		if normalizedHeader, ok := s3_constants.PassThroughHeaders[strings.ToLower(header)]; ok {
 			w.Header()[normalizedHeader] = values
@@ -284,7 +289,7 @@ func adjustHeaderContentDisposition(w http.ResponseWriter, r *http.Request, file
 	}
 }
 
-func processRangeRequest(r *http.Request, w http.ResponseWriter, totalSize int64, mimeType string, prepareWriteFn func(offset int64, size int64) (filer.DoStreamContent, error)) error {
+func ProcessRangeRequest(r *http.Request, w http.ResponseWriter, totalSize int64, mimeType string, prepareWriteFn func(offset int64, size int64) (filer.DoStreamContent, error)) error {
 	rangeReq := r.Header.Get("Range")
 	bufferedWriter := writePool.Get().(*bufio.Writer)
 	bufferedWriter.Reset(w)
@@ -297,14 +302,14 @@ func processRangeRequest(r *http.Request, w http.ResponseWriter, totalSize int64
 		w.Header().Set("Content-Length", strconv.FormatInt(totalSize, 10))
 		writeFn, err := prepareWriteFn(0, totalSize)
 		if err != nil {
-			glog.Errorf("processRangeRequest: %v", err)
+			glog.Errorf("ProcessRangeRequest: %v", err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return fmt.Errorf("processRangeRequest: %v", err)
+			return fmt.Errorf("ProcessRangeRequest: %v", err)
 		}
 		if err = writeFn(bufferedWriter); err != nil {
-			glog.Errorf("processRangeRequest: %v", err)
+			glog.Errorf("ProcessRangeRequest: %v", err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return fmt.Errorf("processRangeRequest: %v", err)
+			return fmt.Errorf("ProcessRangeRequest: %v", err)
 		}
 		return nil
 	}
@@ -313,9 +318,9 @@ func processRangeRequest(r *http.Request, w http.ResponseWriter, totalSize int64
 	//mostly copy from src/pkg/net/http/fs.go
 	ranges, err := parseRange(rangeReq, totalSize)
 	if err != nil {
-		glog.Errorf("processRangeRequest headers: %+v err: %v", w.Header(), err)
+		glog.Errorf("ProcessRangeRequest headers: %+v err: %v", w.Header(), err)
 		http.Error(w, err.Error(), http.StatusRequestedRangeNotSatisfiable)
-		return fmt.Errorf("processRangeRequest header: %v", err)
+		return fmt.Errorf("ProcessRangeRequest header: %v", err)
 	}
 	if sumRangesSize(ranges) > totalSize {
 		// The total number of bytes in all the ranges
@@ -345,16 +350,16 @@ func processRangeRequest(r *http.Request, w http.ResponseWriter, totalSize int64
 
 		writeFn, err := prepareWriteFn(ra.start, ra.length)
 		if err != nil {
-			glog.Errorf("processRangeRequest range[0]: %+v err: %v", w.Header(), err)
+			glog.Errorf("ProcessRangeRequest range[0]: %+v err: %v", w.Header(), err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return fmt.Errorf("processRangeRequest: %v", err)
+			return fmt.Errorf("ProcessRangeRequest: %v", err)
 		}
 		w.WriteHeader(http.StatusPartialContent)
 		err = writeFn(bufferedWriter)
 		if err != nil {
-			glog.Errorf("processRangeRequest range[0]: %+v err: %v", w.Header(), err)
+			glog.Errorf("ProcessRangeRequest range[0]: %+v err: %v", w.Header(), err)
 			http.Error(w, err.Error(), http.StatusInternalServerError)
-			return fmt.Errorf("processRangeRequest range[0]: %v", err)
+			return fmt.Errorf("ProcessRangeRequest range[0]: %v", err)
 		}
 		return nil
 	}
@@ -369,9 +374,9 @@ func processRangeRequest(r *http.Request, w http.ResponseWriter, totalSize int64
 		}
 		writeFn, err := prepareWriteFn(ra.start, ra.length)
 		if err != nil {
-			glog.Errorf("processRangeRequest range[%d] err: %v", i, err)
+			glog.Errorf("ProcessRangeRequest range[%d] err: %v", i, err)
 			http.Error(w, "Internal Error", http.StatusInternalServerError)
-			return fmt.Errorf("processRangeRequest range[%d] err: %v", i, err)
+			return fmt.Errorf("ProcessRangeRequest range[%d] err: %v", i, err)
 		}
 		writeFnByRange[i] = writeFn
 	}
@@ -406,9 +411,9 @@ func processRangeRequest(r *http.Request, w http.ResponseWriter, totalSize int64
 	}
 	w.WriteHeader(http.StatusPartialContent)
 	if _, err := io.CopyN(bufferedWriter, sendContent, sendSize); err != nil {
-		glog.Errorf("processRangeRequest err: %v", err)
+		glog.Errorf("ProcessRangeRequest err: %v", err)
 		http.Error(w, "Internal Error", http.StatusInternalServerError)
-		return fmt.Errorf("processRangeRequest err: %v", err)
+		return fmt.Errorf("ProcessRangeRequest err: %v", err)
 	}
 	return nil
 }
diff --git a/weed/server/filer_grpc_server.go b/weed/server/filer_grpc_server.go
index b9571710d..b1440c94f 100644
--- a/weed/server/filer_grpc_server.go
+++ b/weed/server/filer_grpc_server.go
@@ -291,7 +291,7 @@ func (fs *FilerServer) DeleteEntry(ctx context.Context, req *filer_pb.DeleteEntr
 
 	glog.V(4).Infof("DeleteEntry %v", req)
 
-	err = fs.filer.DeleteEntryMetaAndData(ctx, util.JoinPath(req.Directory, req.Name), req.IsRecursive, req.IgnoreRecursiveError, req.IsDeleteData, req.IsFromOtherCluster, req.Signatures)
+	err = fs.filer.DeleteEntryMetaAndData(ctx, util.JoinPath(req.Directory, req.Name), req.IsRecursive, req.IgnoreRecursiveError, req.IsDeleteData, req.IsFromOtherCluster, req.Signatures, req.IfNotModifiedAfter)
 	resp = &filer_pb.DeleteEntryResponse{}
 	if err != nil && err != filer_pb.ErrNotFound {
 		resp.Error = err.Error()
@@ -363,12 +363,7 @@ func (fs *FilerServer) DeleteCollection(ctx context.Context, req *filer_pb.Delet
 
 	glog.V(4).Infof("DeleteCollection %v", req)
 
-	err = fs.filer.MasterClient.WithClient(false, func(client master_pb.SeaweedClient) error {
-		_, err := client.CollectionDelete(context.Background(), &master_pb.CollectionDeleteRequest{
-			Name: req.GetCollection(),
-		})
-		return err
-	})
+	err = fs.filer.DoDeleteCollection(req.GetCollection())
 
 	return &filer_pb.DeleteCollectionResponse{}, err
 }
diff --git a/weed/server/filer_grpc_server_admin.go b/weed/server/filer_grpc_server_admin.go
index b4caaf4e2..8b4912258 100644
--- a/weed/server/filer_grpc_server_admin.go
+++ b/weed/server/filer_grpc_server_admin.go
@@ -96,6 +96,8 @@ func (fs *FilerServer) GetFilerConfiguration(ctx context.Context, req *filer_pb.
 		MetricsIntervalSec: int32(fs.metricsIntervalSec),
 		Version:            util.Version(),
 		FilerGroup:         fs.option.FilerGroup,
+		MajorVersion:       util.MAJOR_VERSION,
+		MinorVersion:       util.MINOR_VERSION,
 	}
 
 	glog.V(4).Infof("GetFilerConfiguration: %v", t)
diff --git a/weed/server/filer_grpc_server_rename.go b/weed/server/filer_grpc_server_rename.go
index 3acea6f14..db00dd496 100644
--- a/weed/server/filer_grpc_server_rename.go
+++ b/weed/server/filer_grpc_server_rename.go
@@ -203,7 +203,7 @@ func (fs *FilerServer) moveSelfEntry(ctx context.Context, stream filer_pb.Seawee
 
 	// delete old entry
 	ctx = context.WithValue(ctx, "OP", "MV")
-	deleteErr := fs.filer.DeleteEntryMetaAndData(ctx, oldPath, false, false, false, false, signatures)
+	deleteErr := fs.filer.DeleteEntryMetaAndData(ctx, oldPath, false, false, false, false, signatures, 0)
 	if deleteErr != nil {
 		return deleteErr
 	}
diff --git a/weed/server/filer_grpc_server_traverse_meta.go b/weed/server/filer_grpc_server_traverse_meta.go
new file mode 100644
index 000000000..4a924f065
--- /dev/null
+++ b/weed/server/filer_grpc_server_traverse_meta.go
@@ -0,0 +1,84 @@
+package weed_server
+
+import (
+	"context"
+	"fmt"
+	"github.com/seaweedfs/seaweedfs/weed/filer"
+	"github.com/seaweedfs/seaweedfs/weed/glog"
+	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
+	"github.com/seaweedfs/seaweedfs/weed/util"
+	"github.com/viant/ptrie"
+)
+
+func (fs *FilerServer) TraverseBfsMetadata(req *filer_pb.TraverseBfsMetadataRequest, stream filer_pb.SeaweedFiler_TraverseBfsMetadataServer) error {
+
+	glog.V(0).Infof("TraverseBfsMetadata %v", req)
+
+	excludedTrie := ptrie.New[bool]()
+	for _, excluded := range req.ExcludedPrefixes {
+		excludedTrie.Put([]byte(excluded), true)
+	}
+
+	ctx := stream.Context()
+
+	queue := util.NewQueue[*filer.Entry]()
+	dirEntry, err := fs.filer.FindEntry(ctx, util.FullPath(req.Directory))
+	if err != nil {
+		return fmt.Errorf("find dir %s: %v", req.Directory, err)
+	}
+	queue.Enqueue(dirEntry)
+
+	for item := queue.Dequeue(); item != nil; item = queue.Dequeue() {
+		if excludedTrie.MatchPrefix([]byte(item.FullPath), func(key []byte, value bool) bool {
+			return true
+		}) {
+			// println("excluded", item.FullPath)
+			continue
+		}
+		parent, _ := item.FullPath.DirAndName()
+		if err := stream.Send(&filer_pb.TraverseBfsMetadataResponse{
+			Directory: parent,
+			Entry:     item.ToProtoEntry(),
+		}); err != nil {
+			return fmt.Errorf("send traverse bfs metadata response: %v", err)
+		}
+
+		if !item.IsDirectory() {
+			continue
+		}
+
+		if err := fs.iterateDirectory(ctx, item.FullPath, func(entry *filer.Entry) error {
+			queue.Enqueue(entry)
+			return nil
+		}); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (fs *FilerServer) iterateDirectory(ctx context.Context, dirPath util.FullPath, fn func(entry *filer.Entry) error) (err error) {
+	var lastFileName string
+	var listErr error
+	for {
+		var hasEntries bool
+		lastFileName, listErr = fs.filer.StreamListDirectoryEntries(ctx, dirPath, lastFileName, false, 1024, "", "", "", func(entry *filer.Entry) bool {
+			hasEntries = true
+			if fnErr := fn(entry); fnErr != nil {
+				err = fnErr
+				return false
+			}
+			return true
+		})
+		if listErr != nil {
+			return listErr
+		}
+		if err != nil {
+			return err
+		}
+		if !hasEntries {
+			return nil
+		}
+	}
+}
diff --git a/weed/server/filer_grpc_server_traverse_meta_test.go b/weed/server/filer_grpc_server_traverse_meta_test.go
new file mode 100644
index 000000000..72f8a916e
--- /dev/null
+++ b/weed/server/filer_grpc_server_traverse_meta_test.go
@@ -0,0 +1,31 @@
+package weed_server
+
+import (
+	"github.com/stretchr/testify/assert"
+	"github.com/viant/ptrie"
+	"testing"
+)
+
+func TestPtrie(t *testing.T) {
+	b := []byte("/topics/abc/dev")
+	excludedTrie := ptrie.New[bool]()
+	excludedTrie.Put([]byte("/topics/abc/d"), true)
+	excludedTrie.Put([]byte("/topics/abc"), true)
+
+	assert.True(t, excludedTrie.MatchPrefix(b, func(key []byte, value bool) bool {
+		println("matched1", string(key))
+		return true
+	}))
+
+	assert.True(t, excludedTrie.MatchAll(b, func(key []byte, value bool) bool {
+		println("matched2", string(key))
+		return true
+	}))
+
+	assert.False(t, excludedTrie.MatchAll([]byte("/topics/ab"), func(key []byte, value bool) bool {
+		println("matched3", string(key))
+		return true
+	}))
+
+	assert.False(t, excludedTrie.Has(b))
+}
diff --git a/weed/server/filer_server.go b/weed/server/filer_server.go
index 0b7254c0d..ee052579c 100644
--- a/weed/server/filer_server.go
+++ b/weed/server/filer_server.go
@@ -74,7 +74,6 @@ type FilerOption struct {
 	DiskType              string
 	AllowedOrigins        []string
 	ExposeDirectoryData   bool
-	JoinExistingFiler     bool
 }
 
 type FilerServer struct {
@@ -198,12 +197,9 @@ func NewFilerServer(defaultMux, readonlyMux *http.ServeMux, option *FilerOption)
 
 	existingNodes := fs.filer.ListExistingPeerUpdates(context.Background())
 	startFromTime := time.Now().Add(-filer.LogFlushInterval)
-	if option.JoinExistingFiler {
-		startFromTime = time.Time{}
-	}
 	if isFresh {
 		glog.V(0).Infof("%s bootstrap from peers %+v", option.Host, existingNodes)
-		if err := fs.filer.MaybeBootstrapFromPeers(option.Host, existingNodes, startFromTime); err != nil {
+		if err := fs.filer.MaybeBootstrapFromOnePeer(option.Host, existingNodes, startFromTime); err != nil {
 			glog.Fatalf("%s bootstrap from %+v: %v", option.Host, existingNodes, err)
 		}
 	}
diff --git a/weed/server/filer_server_handlers_proxy.go b/weed/server/filer_server_handlers_proxy.go
index e04994569..c1a26ca11 100644
--- a/weed/server/filer_server_handlers_proxy.go
+++ b/weed/server/filer_server_handlers_proxy.go
@@ -3,24 +3,13 @@ package weed_server
 import (
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/security"
-	"github.com/seaweedfs/seaweedfs/weed/util"
 	"github.com/seaweedfs/seaweedfs/weed/util/mem"
 	"io"
 	"math/rand"
 	"net/http"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
-var (
-	client *http.Client
-)
-
-func init() {
-	client = &http.Client{Transport: &http.Transport{
-		MaxIdleConns:        1024,
-		MaxIdleConnsPerHost: 1024,
-	}}
-}
-
 func (fs *FilerServer) maybeAddVolumeJwtAuthorization(r *http.Request, fileId string, isWrite bool) {
 	encodedJwt := fs.maybeGetVolumeJwtAuthorizationToken(fileId, isWrite)
 
@@ -71,14 +60,14 @@ func (fs *FilerServer) proxyToVolumeServer(w http.ResponseWriter, r *http.Reques
 		}
 	}
 
-	proxyResponse, postErr := client.Do(proxyReq)
+	proxyResponse, postErr := util_http.GetGlobalHttpClient().Do(proxyReq)
 
 	if postErr != nil {
 		glog.Errorf("post to filer: %v", postErr)
 		w.WriteHeader(http.StatusInternalServerError)
 		return
 	}
-	defer util.CloseResponse(proxyResponse)
+	defer util_http.CloseResponse(proxyResponse)
 
 	for k, v := range proxyResponse.Header {
 		w.Header()[k] = v
diff --git a/weed/server/filer_server_handlers_read.go b/weed/server/filer_server_handlers_read.go
index 123b7a494..a02e6c2c1 100644
--- a/weed/server/filer_server_handlers_read.go
+++ b/weed/server/filer_server_handlers_read.go
@@ -71,14 +71,14 @@ func checkPreconditions(w http.ResponseWriter, r *http.Request, entry *filer.Ent
 	ifModifiedSinceHeader := r.Header.Get("If-Modified-Since")
 	if ifNoneMatchETagHeader != "" {
 		if util.CanonicalizeETag(etag) == util.CanonicalizeETag(ifNoneMatchETagHeader) {
-			setEtag(w, etag)
+			SetEtag(w, etag)
 			w.WriteHeader(http.StatusNotModified)
 			return true
 		}
 	} else if ifModifiedSinceHeader != "" {
 		if t, parseError := time.Parse(http.TimeFormat, ifModifiedSinceHeader); parseError == nil {
 			if !t.Before(entry.Attr.Mtime) {
-				setEtag(w, etag)
+				SetEtag(w, etag)
 				w.WriteHeader(http.StatusNotModified)
 				return true
 			}
@@ -220,13 +220,13 @@ func (fs *FilerServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request)
 		w.Header().Set(s3_constants.AmzTagCount, strconv.Itoa(tagCount))
 	}
 
-	setEtag(w, etag)
+	SetEtag(w, etag)
 
 	filename := entry.Name()
-	adjustPassthroughHeaders(w, r, filename)
+	AdjustPassthroughHeaders(w, r, filename)
 	totalSize := int64(entry.Size())
 
-	if r.Method == "HEAD" {
+	if r.Method == http.MethodHead {
 		w.Header().Set("Content-Length", strconv.FormatInt(totalSize, 10))
 		return
 	}
@@ -252,7 +252,7 @@ func (fs *FilerServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request)
 		}
 	}
 
-	processRangeRequest(r, w, totalSize, mimeType, func(offset int64, size int64) (filer.DoStreamContent, error) {
+	ProcessRangeRequest(r, w, totalSize, mimeType, func(offset int64, size int64) (filer.DoStreamContent, error) {
 		if offset+size <= int64(len(entry.Content)) {
 			return func(writer io.Writer) error {
 				_, err := writer.Write(entry.Content[offset : offset+size])
diff --git a/weed/server/filer_server_handlers_read_dir.go b/weed/server/filer_server_handlers_read_dir.go
index 0531527bb..56f0f9cb4 100644
--- a/weed/server/filer_server_handlers_read_dir.go
+++ b/weed/server/filer_server_handlers_read_dir.go
@@ -31,8 +31,8 @@ func (fs *FilerServer) listDirectoryHandler(w http.ResponseWriter, r *http.Reque
 		path = path[:len(path)-1]
 	}
 
-	limit, limit_err := strconv.Atoi(r.FormValue("limit"))
-	if limit_err != nil {
+	limit, limitErr := strconv.Atoi(r.FormValue("limit"))
+	if limitErr != nil {
 		limit = fs.option.DirListingLimit
 	}
 
@@ -62,6 +62,7 @@ func (fs *FilerServer) listDirectoryHandler(w http.ResponseWriter, r *http.Reque
 
 	if r.Header.Get("Accept") == "application/json" {
 		writeJsonQuiet(w, r, http.StatusOK, struct {
+			Version               string
 			Path                  string
 			Entries               interface{}
 			Limit                 int
@@ -69,6 +70,7 @@ func (fs *FilerServer) listDirectoryHandler(w http.ResponseWriter, r *http.Reque
 			ShouldDisplayLoadMore bool
 			EmptyFolder           bool
 		}{
+			util.Version(),
 			path,
 			entries,
 			limit,
@@ -80,6 +82,7 @@ func (fs *FilerServer) listDirectoryHandler(w http.ResponseWriter, r *http.Reque
 	}
 
 	err = ui.StatusTpl.Execute(w, struct {
+		Version               string
 		Path                  string
 		Breadcrumbs           []ui.Breadcrumb
 		Entries               interface{}
@@ -89,6 +92,7 @@ func (fs *FilerServer) listDirectoryHandler(w http.ResponseWriter, r *http.Reque
 		EmptyFolder           bool
 		ShowDirectoryDelete   bool
 	}{
+		util.Version(),
 		path,
 		ui.ToBreadcrumb(path),
 		entries,
diff --git a/weed/server/filer_server_handlers_write.go b/weed/server/filer_server_handlers_write.go
index b186fd34e..f0f756e34 100644
--- a/weed/server/filer_server_handlers_write.go
+++ b/weed/server/filer_server_handlers_write.go
@@ -18,6 +18,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/stats"
 	"github.com/seaweedfs/seaweedfs/weed/storage/needle"
 	"github.com/seaweedfs/seaweedfs/weed/util"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var (
@@ -120,7 +121,7 @@ func (fs *FilerServer) PostHandler(w http.ResponseWriter, r *http.Request, conte
 		fs.autoChunk(ctx, w, r, contentLength, so)
 	}
 
-	util.CloseRequest(r)
+	util_http.CloseRequest(r)
 
 }
 
@@ -211,7 +212,7 @@ func (fs *FilerServer) DeleteHandler(w http.ResponseWriter, r *http.Request) {
 		objectPath = objectPath[0 : len(objectPath)-1]
 	}
 
-	err := fs.filer.DeleteEntryMetaAndData(context.Background(), util.FullPath(objectPath), isRecursive, ignoreRecursiveError, !skipChunkDeletion, false, nil)
+	err := fs.filer.DeleteEntryMetaAndData(context.Background(), util.FullPath(objectPath), isRecursive, ignoreRecursiveError, !skipChunkDeletion, false, nil, 0)
 	if err != nil {
 		if err == filer_pb.ErrNotFound {
 			writeJsonQuiet(w, r, http.StatusNoContent, nil)
diff --git a/weed/server/filer_server_handlers_write_autochunk.go b/weed/server/filer_server_handlers_write_autochunk.go
index 2698e2209..1c7ed0c3c 100644
--- a/weed/server/filer_server_handlers_write_autochunk.go
+++ b/weed/server/filer_server_handlers_write_autochunk.go
@@ -39,7 +39,7 @@ func (fs *FilerServer) autoChunk(ctx context.Context, w http.ResponseWriter, r *
 	var reply *FilerPostResult
 	var err error
 	var md5bytes []byte
-	if r.Method == "POST" {
+	if r.Method == http.MethodPost {
 		if r.Header.Get("Content-Type") == "" && strings.HasSuffix(r.URL.Path, "/") {
 			reply, err = fs.mkdir(ctx, w, r, so)
 		} else {
@@ -148,6 +148,10 @@ func skipCheckParentDirEntry(r *http.Request) bool {
 	return r.URL.Query().Get("skipCheckParentDir") == "true"
 }
 
+func isS3Request(r *http.Request) bool {
+	return r.Header.Get(s3_constants.AmzAuthType) != "" || r.Header.Get("X-Amz-Date") != ""
+}
+
 func (fs *FilerServer) saveMetaData(ctx context.Context, r *http.Request, fileName string, contentType string, so *operation.StorageOption, md5bytes []byte, fileChunks []*filer_pb.FileChunk, chunkOffset int64, content []byte) (filerResult *FilerPostResult, replyerr error) {
 
 	// detect file mode
@@ -266,7 +270,12 @@ func (fs *FilerServer) saveMetaData(ctx context.Context, r *http.Request, fileNa
 		}
 	}
 
-	if dbErr := fs.filer.CreateEntry(ctx, entry, false, false, nil, skipCheckParentDirEntry(r), so.MaxFileNameLength); dbErr != nil {
+	dbErr := fs.filer.CreateEntry(ctx, entry, false, false, nil, skipCheckParentDirEntry(r), so.MaxFileNameLength)
+	// In test_bucket_listv2_delimiter_basic, the valid object key is the parent folder
+	if dbErr != nil && strings.HasSuffix(dbErr.Error(), " is a file") && isS3Request(r) {
+		dbErr = fs.filer.CreateEntry(ctx, entry, false, false, nil, true, so.MaxFileNameLength)
+	}
+	if dbErr != nil {
 		replyerr = dbErr
 		filerResult.Error = dbErr.Error()
 		glog.V(0).Infof("failing to write %s to filer server : %v", path, dbErr)
@@ -299,8 +308,14 @@ func (fs *FilerServer) saveAsChunk(so *operation.StorageOption) filer.SaveDataAs
 				PairMap:           nil,
 				Jwt:               auth,
 			}
+
+			uploader, uploaderErr := operation.NewUploader()
+			if uploaderErr != nil {
+				return uploaderErr
+			}
+
 			var uploadErr error
-			uploadResult, uploadErr, _ = operation.Upload(reader, uploadOption)
+			uploadResult, uploadErr, _ = uploader.Upload(reader, uploadOption)
 			if uploadErr != nil {
 				return uploadErr
 			}
diff --git a/weed/server/filer_server_handlers_write_cipher.go b/weed/server/filer_server_handlers_write_cipher.go
index 6cf7d65b1..f8d129bf3 100644
--- a/weed/server/filer_server_handlers_write_cipher.go
+++ b/weed/server/filer_server_handlers_write_cipher.go
@@ -53,7 +53,13 @@ func (fs *FilerServer) encrypt(ctx context.Context, w http.ResponseWriter, r *ht
 		PairMap:           pu.PairMap,
 		Jwt:               auth,
 	}
-	uploadResult, uploadError := operation.UploadData(uncompressedData, uploadOption)
+	
+	uploader, uploaderErr := operation.NewUploader()
+	if uploaderErr != nil {
+		return nil, fmt.Errorf("uploader initialization error: %v", uploaderErr)
+	}
+
+	uploadResult, uploadError := uploader.UploadData(uncompressedData, uploadOption)
 	if uploadError != nil {
 		return nil, fmt.Errorf("upload to volume server: %v", uploadError)
 	}
diff --git a/weed/server/filer_server_handlers_write_upload.go b/weed/server/filer_server_handlers_write_upload.go
index 8c8eba078..d0d1575cf 100644
--- a/weed/server/filer_server_handlers_write_upload.go
+++ b/weed/server/filer_server_handlers_write_upload.go
@@ -158,7 +158,13 @@ func (fs *FilerServer) doUpload(urlLocation string, limitedReader io.Reader, fil
 		PairMap:           pairMap,
 		Jwt:               auth,
 	}
-	uploadResult, err, data := operation.Upload(limitedReader, uploadOption)
+
+	uploader, err := operation.NewUploader()
+	if err != nil {
+		return nil, err, []byte{}
+	}
+
+	uploadResult, err, data := uploader.Upload(limitedReader, uploadOption)
 	if uploadResult != nil && uploadResult.RetryCount > 0 {
 		stats.FilerHandlerCounter.WithLabelValues(stats.ChunkUploadRetry).Add(float64(uploadResult.RetryCount))
 	}
diff --git a/weed/server/filer_ui/breadcrumb.go b/weed/server/filer_ui/breadcrumb.go
index abb6cce9a..638638196 100644
--- a/weed/server/filer_ui/breadcrumb.go
+++ b/weed/server/filer_ui/breadcrumb.go
@@ -13,6 +13,9 @@ type Breadcrumb struct {
 
 func ToBreadcrumb(fullpath string) (crumbs []Breadcrumb) {
 	parts := strings.Split(fullpath, "/")
+	if fullpath == "/" {
+		parts = []string{""}
+	}
 
 	for i := 0; i < len(parts); i++ {
 		name := parts[i]
diff --git a/weed/server/filer_ui/breadcrumb_test.go b/weed/server/filer_ui/breadcrumb_test.go
new file mode 100644
index 000000000..6e42541cb
--- /dev/null
+++ b/weed/server/filer_ui/breadcrumb_test.go
@@ -0,0 +1,86 @@
+package filer_ui
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestToBreadcrumb(t *testing.T) {
+	type args struct {
+		fullpath string
+	}
+	tests := []struct {
+		name       string
+		args       args
+		wantCrumbs []Breadcrumb
+	}{
+		{
+			name: "empty",
+			args: args{
+				fullpath: "",
+			},
+			wantCrumbs: []Breadcrumb{
+				{
+					Name: "/",
+					Link: "/",
+				},
+			},
+		},
+		{
+			name: "test1",
+			args: args{
+				fullpath: "/",
+			},
+			wantCrumbs: []Breadcrumb{
+				{
+					Name: "/",
+					Link: "/",
+				},
+			},
+		},
+		{
+			name: "test2",
+			args: args{
+				fullpath: "/abc",
+			},
+			wantCrumbs: []Breadcrumb{
+				{
+					Name: "/",
+					Link: "/",
+				},
+				{
+					Name: "abc",
+					Link: "/abc/",
+				},
+			},
+		},
+		{
+			name: "test3",
+			args: args{
+				fullpath: "/abc/def",
+			},
+			wantCrumbs: []Breadcrumb{
+				{
+					Name: "/",
+					Link: "/",
+				},
+				{
+					Name: "abc",
+					Link: "/abc/",
+				},
+				{
+					Name: "def",
+					Link: "/abc/def/",
+				},
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if gotCrumbs := ToBreadcrumb(tt.args.fullpath); !reflect.DeepEqual(gotCrumbs, tt.wantCrumbs) {
+				t.Errorf("ToBreadcrumb() = %v, want %v", gotCrumbs, tt.wantCrumbs)
+			}
+		})
+	}
+}
diff --git a/weed/server/filer_ui/filer.html b/weed/server/filer_ui/filer.html
index 28425f180..627f3ba77 100644
--- a/weed/server/filer_ui/filer.html
+++ b/weed/server/filer_ui/filer.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html>
 <head>
-    <title>SeaweedFS Filer</title>
+    <title>SeaweedFS Filer {{ .Version }}</title>
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <link rel="stylesheet" href="/seaweedfsstatic/bootstrap/3.3.1/css/bootstrap.min.css">
     <style>
@@ -82,7 +82,7 @@
     <div class="page-header">
         <h1>
             <a href="https://github.com/seaweedfs/seaweedfs"><img src="/seaweedfsstatic/seaweed50x50.png"></img></a>
-            SeaweedFS Filer
+            SeaweedFS Filer <small>{{ .Version }}</small>
         </h1>
     </div>
     <div class="row">
@@ -99,7 +99,7 @@
             {{ range $entry := .Breadcrumbs }}
             <li><a href="{{ printpath $entry.Link }}">
                 {{ $entry.Name }}
-            </li></a>
+            </a></li>
             {{ end }}
             </ol>
         </div>
diff --git a/weed/server/master_grpc_server_assign.go b/weed/server/master_grpc_server_assign.go
index 7455c9ea4..4f95b4ff6 100644
--- a/weed/server/master_grpc_server_assign.go
+++ b/weed/server/master_grpc_server_assign.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
+	"github.com/seaweedfs/seaweedfs/weed/stats"
 	"time"
 
 	"github.com/seaweedfs/raft"
@@ -69,7 +70,12 @@ func (ms *MasterServer) Assign(ctx context.Context, req *master_pb.AssignRequest
 		MemoryMapMaxSizeMb: req.MemoryMapMaxSizeMb,
 	}
 
+	if !ms.Topo.DataCenterExists(option.DataCenter) {
+		return nil, fmt.Errorf("data center %v not found in topology", option.DataCenter)
+	}
+
 	vl := ms.Topo.GetVolumeLayout(option.Collection, option.ReplicaPlacement, option.Ttl, option.DiskType)
+	vl.SetLastGrowCount(req.WritableVolumeCount)
 
 	var (
 		lastErr    error
@@ -80,18 +86,17 @@ func (ms *MasterServer) Assign(ctx context.Context, req *master_pb.AssignRequest
 	for time.Now().Sub(startTime) < maxTimeout {
 		fid, count, dnList, shouldGrow, err := ms.Topo.PickForWrite(req.Count, option, vl)
 		if shouldGrow && !vl.HasGrowRequest() {
-			// if picked volume is almost full, trigger a volume-grow request
-			if ms.Topo.AvailableSpaceFor(option) <= 0 {
-				return nil, fmt.Errorf("no free volumes left for " + option.String())
+			if err != nil && ms.Topo.AvailableSpaceFor(option) <= 0 {
+				err = fmt.Errorf("%s and no free volumes left for %s", err.Error(), option.String())
 			}
 			vl.AddGrowRequest()
 			ms.volumeGrowthRequestChan <- &topology.VolumeGrowRequest{
 				Option: option,
-				Count:  int(req.WritableVolumeCount),
+				Count:  req.WritableVolumeCount,
 			}
 		}
 		if err != nil {
-			// glog.Warningf("PickForWrite %+v: %v", req, err)
+			stats.MasterPickForWriteErrorCounter.Inc()
 			lastErr = err
 			time.Sleep(200 * time.Millisecond)
 			continue
diff --git a/weed/server/master_grpc_server_volume.go b/weed/server/master_grpc_server_volume.go
index 503da7fd4..3cad627db 100644
--- a/weed/server/master_grpc_server_volume.go
+++ b/weed/server/master_grpc_server_volume.go
@@ -3,11 +3,14 @@ package weed_server
 import (
 	"context"
 	"fmt"
+	"math/rand"
 	"reflect"
 	"strings"
 	"sync"
 	"time"
 
+	"github.com/seaweedfs/seaweedfs/weed/topology"
+
 	"github.com/seaweedfs/raft"
 
 	"github.com/seaweedfs/seaweedfs/weed/glog"
@@ -18,7 +21,38 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/storage/types"
 )
 
+func (ms *MasterServer) DoAutomaticVolumeGrow(req *topology.VolumeGrowRequest) {
+	glog.V(1).Infoln("starting automatic volume grow")
+	start := time.Now()
+	newVidLocations, err := ms.vg.AutomaticGrowByType(req.Option, ms.grpcDialOption, ms.Topo, req.Count)
+	glog.V(1).Infoln("finished automatic volume grow, cost ", time.Now().Sub(start))
+	if err != nil {
+		glog.V(1).Infof("automatic volume grow failed: %+v", err)
+		return
+	}
+	for _, newVidLocation := range newVidLocations {
+		ms.broadcastToClients(&master_pb.KeepConnectedResponse{VolumeLocation: newVidLocation})
+	}
+}
+
 func (ms *MasterServer) ProcessGrowRequest() {
+	go func() {
+		for {
+			time.Sleep(14*time.Minute + time.Duration(120*rand.Float32())*time.Second)
+			if !ms.Topo.IsLeader() {
+				continue
+			}
+			for _, vl := range ms.Topo.ListVolumeLyauts() {
+				if !vl.HasGrowRequest() && vl.ShouldGrowVolumes(&topology.VolumeGrowOption{}) {
+					vl.AddGrowRequest()
+					ms.volumeGrowthRequestChan <- &topology.VolumeGrowRequest{
+						Option: vl.ToGrowOption(),
+						Count:  vl.GetLastGrowCount(),
+					}
+				}
+			}
+		}
+	}()
 	go func() {
 		filter := sync.Map{}
 		for {
@@ -27,9 +61,13 @@ func (ms *MasterServer) ProcessGrowRequest() {
 				break
 			}
 
+			option := req.Option
+			vl := ms.Topo.GetVolumeLayout(option.Collection, option.ReplicaPlacement, option.Ttl, option.DiskType)
+
 			if !ms.Topo.IsLeader() {
 				//discard buffered requests
 				time.Sleep(time.Second * 1)
+				vl.DoneGrowRequest()
 				continue
 			}
 
@@ -42,28 +80,15 @@ func (ms *MasterServer) ProcessGrowRequest() {
 				return !found
 			})
 
-			option := req.Option
-			vl := ms.Topo.GetVolumeLayout(option.Collection, option.ReplicaPlacement, option.Ttl, option.DiskType)
-
 			// not atomic but it's okay
 			if !found && vl.ShouldGrowVolumes(option) {
 				filter.Store(req, nil)
 				// we have lock called inside vg
-				go func() {
-					glog.V(1).Infoln("starting automatic volume grow")
-					start := time.Now()
-					newVidLocations, err := ms.vg.AutomaticGrowByType(req.Option, ms.grpcDialOption, ms.Topo, req.Count)
-					glog.V(1).Infoln("finished automatic volume grow, cost ", time.Now().Sub(start))
-					if err == nil {
-						for _, newVidLocation := range newVidLocations {
-							ms.broadcastToClients(&master_pb.KeepConnectedResponse{VolumeLocation: newVidLocation})
-						}
-					}
+				go func(req *topology.VolumeGrowRequest, vl *topology.VolumeLayout) {
+					ms.DoAutomaticVolumeGrow(req)
 					vl.DoneGrowRequest()
-
 					filter.Delete(req)
-				}()
-
+				}(req, vl)
 			} else {
 				glog.V(4).Infoln("discard volume grow request")
 				time.Sleep(time.Millisecond * 211)
@@ -91,6 +116,7 @@ func (ms *MasterServer) LookupVolume(ctx context.Context, req *master_pb.LookupV
 					Url:        loc.Url,
 					PublicUrl:  loc.PublicUrl,
 					DataCenter: loc.DataCenter,
+					GrpcPort:   uint32(loc.GrpcPort),
 				})
 			}
 			var auth string
diff --git a/weed/server/master_server.go b/weed/server/master_server.go
index 3499a2e13..44a1664c0 100644
--- a/weed/server/master_server.go
+++ b/weed/server/master_server.go
@@ -30,6 +30,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/topology"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 	"github.com/seaweedfs/seaweedfs/weed/wdclient"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 const (
@@ -92,15 +93,15 @@ func NewMasterServer(r *mux.Router, option *MasterOption, peers map[string]pb.Se
 	v.SetDefault("master.replication.treat_replication_as_minimums", false)
 	replicationAsMin := v.GetBool("master.replication.treat_replication_as_minimums")
 
-	v.SetDefault("master.volume_growth.copy_1", 7)
-	v.SetDefault("master.volume_growth.copy_2", 6)
-	v.SetDefault("master.volume_growth.copy_3", 3)
-	v.SetDefault("master.volume_growth.copy_other", 1)
-	v.SetDefault("master.volume_growth.threshold", 0.9)
-	topology.VolumeGrowStrategy.Copy1Count = v.GetInt("master.volume_growth.copy_1")
-	topology.VolumeGrowStrategy.Copy2Count = v.GetInt("master.volume_growth.copy_2")
-	topology.VolumeGrowStrategy.Copy3Count = v.GetInt("master.volume_growth.copy_3")
-	topology.VolumeGrowStrategy.CopyOtherCount = v.GetInt("master.volume_growth.copy_other")
+	v.SetDefault("master.volume_growth.copy_1", topology.VolumeGrowStrategy.Copy1Count)
+	v.SetDefault("master.volume_growth.copy_2", topology.VolumeGrowStrategy.Copy2Count)
+	v.SetDefault("master.volume_growth.copy_3", topology.VolumeGrowStrategy.Copy3Count)
+	v.SetDefault("master.volume_growth.copy_other", topology.VolumeGrowStrategy.CopyOtherCount)
+	v.SetDefault("master.volume_growth.threshold", topology.VolumeGrowStrategy.Threshold)
+	topology.VolumeGrowStrategy.Copy1Count = v.GetUint32("master.volume_growth.copy_1")
+	topology.VolumeGrowStrategy.Copy2Count = v.GetUint32("master.volume_growth.copy_2")
+	topology.VolumeGrowStrategy.Copy3Count = v.GetUint32("master.volume_growth.copy_3")
+	topology.VolumeGrowStrategy.CopyOtherCount = v.GetUint32("master.volume_growth.copy_other")
 	topology.VolumeGrowStrategy.Threshold = v.GetFloat64("master.volume_growth.threshold")
 
 	var preallocateSize int64
@@ -185,22 +186,7 @@ func (ms *MasterServer) SetRaftServer(raftServer *RaftServer) {
 		raftServerName = fmt.Sprintf("[%s]", ms.Topo.RaftServer.Name())
 	} else if raftServer.RaftHashicorp != nil {
 		ms.Topo.HashicorpRaft = raftServer.RaftHashicorp
-		leaderCh := raftServer.RaftHashicorp.LeaderCh()
-		prevLeader, _ := ms.Topo.HashicorpRaft.LeaderWithID()
 		raftServerName = ms.Topo.HashicorpRaft.String()
-		go func() {
-			for {
-				select {
-				case isLeader := <-leaderCh:
-					ms.Topo.RaftServerAccessLock.RLock()
-					leader, _ := ms.Topo.HashicorpRaft.LeaderWithID()
-					ms.Topo.RaftServerAccessLock.RUnlock()
-					glog.V(0).Infof("is leader %+v change event: %+v => %+v", isLeader, prevLeader, leader)
-					stats.MasterLeaderChangeCounter.WithLabelValues(fmt.Sprintf("%+v", leader)).Inc()
-					prevLeader = leader
-				}
-			}
-		}()
 	}
 	ms.Topo.RaftServerAccessLock.Unlock()
 
@@ -256,7 +242,7 @@ func (ms *MasterServer) proxyToLeader(f http.HandlerFunc) http.HandlerFunc {
 			}
 			director(req)
 		}
-		proxy.Transport = util.Transport
+		proxy.Transport = util_http.GetGlobalHttpClient().GetClientTransport()
 		proxy.ServeHTTP(w, r)
 	}
 }
diff --git a/weed/server/master_server_handlers.go b/weed/server/master_server_handlers.go
index e4188420d..5e17bcca8 100644
--- a/weed/server/master_server_handlers.go
+++ b/weed/server/master_server_handlers.go
@@ -2,12 +2,13 @@ package weed_server
 
 import (
 	"fmt"
-	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"net/http"
 	"strconv"
 	"strings"
 	"time"
 
+	"github.com/seaweedfs/seaweedfs/weed/glog"
+
 	"github.com/seaweedfs/seaweedfs/weed/operation"
 	"github.com/seaweedfs/seaweedfs/weed/security"
 	"github.com/seaweedfs/seaweedfs/weed/stats"
@@ -74,7 +75,10 @@ func (ms *MasterServer) findVolumeLocation(collection, vid string) operation.Loo
 			machines := ms.Topo.Lookup(collection, volumeId)
 			for _, loc := range machines {
 				locations = append(locations, operation.Location{
-					Url: loc.Url(), PublicUrl: loc.PublicUrl, DataCenter: loc.GetDataCenterId(),
+					Url:        loc.Url(),
+					PublicUrl:  loc.PublicUrl,
+					DataCenter: loc.GetDataCenterId(),
+					GrpcPort:   loc.GrpcPort,
 				})
 			}
 		}
@@ -82,7 +86,10 @@ func (ms *MasterServer) findVolumeLocation(collection, vid string) operation.Loo
 		machines, getVidLocationsErr := ms.MasterClient.GetVidLocations(vid)
 		for _, loc := range machines {
 			locations = append(locations, operation.Location{
-				Url: loc.Url, PublicUrl: loc.PublicUrl, DataCenter: loc.DataCenter,
+				Url:        loc.Url,
+				PublicUrl:  loc.PublicUrl,
+				DataCenter: loc.DataCenter,
+				GrpcPort:   loc.GrpcPort,
 			})
 		}
 		err = getVidLocationsErr
@@ -107,7 +114,7 @@ func (ms *MasterServer) dirAssignHandler(w http.ResponseWriter, r *http.Request)
 		requestedCount = 1
 	}
 
-	writableVolumeCount, e := strconv.Atoi(r.FormValue("writableVolumeCount"))
+	writableVolumeCount, e := strconv.ParseUint(r.FormValue("writableVolumeCount"), 10, 32)
 	if e != nil {
 		writableVolumeCount = 0
 	}
@@ -126,23 +133,28 @@ func (ms *MasterServer) dirAssignHandler(w http.ResponseWriter, r *http.Request)
 		startTime  = time.Now()
 	)
 
+	if !ms.Topo.DataCenterExists(option.DataCenter) {
+		writeJsonQuiet(w, r, http.StatusBadRequest, operation.AssignResult{
+			Error: fmt.Sprintf("data center %v not found in topology", option.DataCenter),
+		})
+		return
+	}
+
 	for time.Now().Sub(startTime) < maxTimeout {
 		fid, count, dnList, shouldGrow, err := ms.Topo.PickForWrite(requestedCount, option, vl)
 		if shouldGrow && !vl.HasGrowRequest() {
-			// if picked volume is almost full, trigger a volume-grow request
 			glog.V(0).Infof("dirAssign volume growth %v from %v", option.String(), r.RemoteAddr)
-			if ms.Topo.AvailableSpaceFor(option) <= 0 {
-				writeJsonQuiet(w, r, http.StatusNotFound, operation.AssignResult{Error: "No free volumes left for " + option.String()})
-				return
+			if err != nil && ms.Topo.AvailableSpaceFor(option) <= 0 {
+				err = fmt.Errorf("%s and no free volumes left for %s", err.Error(), option.String())
 			}
 			vl.AddGrowRequest()
 			ms.volumeGrowthRequestChan <- &topology.VolumeGrowRequest{
 				Option: option,
-				Count:  writableVolumeCount,
+				Count:  uint32(writableVolumeCount),
 			}
 		}
 		if err != nil {
-			// glog.Warningf("PickForWrite %+v: %v", req, err)
+			stats.MasterPickForWriteErrorCounter.Inc()
 			lastErr = err
 			time.Sleep(200 * time.Millisecond)
 			continue
diff --git a/weed/server/master_server_handlers_admin.go b/weed/server/master_server_handlers_admin.go
index f40b819af..7479b5535 100644
--- a/weed/server/master_server_handlers_admin.go
+++ b/weed/server/master_server_handlers_admin.go
@@ -18,6 +18,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/storage/types"
 	"github.com/seaweedfs/seaweedfs/weed/topology"
 	"github.com/seaweedfs/seaweedfs/weed/util"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 func (ms *MasterServer) collectionDeleteHandler(w http.ResponseWriter, r *http.Request) {
@@ -70,7 +71,7 @@ func (ms *MasterServer) volumeVacuumHandler(w http.ResponseWriter, r *http.Reque
 }
 
 func (ms *MasterServer) volumeGrowHandler(w http.ResponseWriter, r *http.Request) {
-	count := 0
+	count := uint64(0)
 	option, err := ms.getVolumeGrowOption(r)
 	if err != nil {
 		writeJsonError(w, r, http.StatusNotAcceptable, err)
@@ -78,13 +79,16 @@ func (ms *MasterServer) volumeGrowHandler(w http.ResponseWriter, r *http.Request
 	}
 	glog.V(0).Infof("volumeGrowHandler received %v from %v", option.String(), r.RemoteAddr)
 
-	if count, err = strconv.Atoi(r.FormValue("count")); err == nil {
-		if ms.Topo.AvailableSpaceFor(option) < int64(count*option.ReplicaPlacement.GetCopyCount()) {
-			err = fmt.Errorf("only %d volumes left, not enough for %d", ms.Topo.AvailableSpaceFor(option), count*option.ReplicaPlacement.GetCopyCount())
+	if count, err = strconv.ParseUint(r.FormValue("count"), 10, 32); err == nil {
+		replicaCount := int64(count * uint64(option.ReplicaPlacement.GetCopyCount()))
+		if ms.Topo.AvailableSpaceFor(option) < replicaCount {
+			err = fmt.Errorf("only %d volumes left, not enough for %d", ms.Topo.AvailableSpaceFor(option), replicaCount)
+		} else if !ms.Topo.DataCenterExists(option.DataCenter) {
+			err = fmt.Errorf("data center %v not found in topology", option.DataCenter)
 		} else {
 			var newVidLocations []*master_pb.VolumeLocation
-			newVidLocations, err = ms.vg.GrowByCountAndType(ms.grpcDialOption, count, option, ms.Topo)
-			count = len(newVidLocations)
+			newVidLocations, err = ms.vg.GrowByCountAndType(ms.grpcDialOption, uint32(count), option, ms.Topo)
+			count = uint64(len(newVidLocations))
 		}
 	} else {
 		err = fmt.Errorf("can not parse parameter count %s", r.FormValue("count"))
@@ -110,11 +114,11 @@ func (ms *MasterServer) redirectHandler(w http.ResponseWriter, r *http.Request)
 	location := ms.findVolumeLocation(collection, vid)
 	if location.Error == "" {
 		loc := location.Locations[rand.Intn(len(location.Locations))]
-		var url string
+		url, _ := util_http.NormalizeUrl(loc.PublicUrl)
 		if r.URL.RawQuery != "" {
-			url = util.NormalizeUrl(loc.PublicUrl) + r.URL.Path + "?" + r.URL.RawQuery
+			url = url + r.URL.Path + "?" + r.URL.RawQuery
 		} else {
-			url = util.NormalizeUrl(loc.PublicUrl) + r.URL.Path
+			url = url + r.URL.Path
 		}
 		http.Redirect(w, r, url, http.StatusPermanentRedirect)
 	} else {
diff --git a/weed/server/raft_hashicorp.go b/weed/server/raft_hashicorp.go
index d06066b93..299df323a 100644
--- a/weed/server/raft_hashicorp.go
+++ b/weed/server/raft_hashicorp.go
@@ -5,6 +5,14 @@ package weed_server
 
 import (
 	"fmt"
+	"math/rand"
+	"os"
+	"path"
+	"path/filepath"
+	"sort"
+	"strings"
+	"time"
+
 	transport "github.com/Jille/raft-grpc-transport"
 	"github.com/armon/go-metrics"
 	"github.com/armon/go-metrics/prometheus"
@@ -14,13 +22,6 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/pb"
 	"github.com/seaweedfs/seaweedfs/weed/stats"
 	"google.golang.org/grpc"
-	"math/rand"
-	"os"
-	"path"
-	"path/filepath"
-	"sort"
-	"strings"
-	"time"
 )
 
 const (
@@ -56,46 +57,61 @@ func (s *RaftServer) AddPeersConfiguration() (cfg raft.Configuration) {
 	return cfg
 }
 
-func (s *RaftServer) UpdatePeers() {
+func (s *RaftServer) monitorLeaderLoop(updatePeers bool) {
 	for {
+		prevLeader, _ := s.RaftHashicorp.LeaderWithID()
 		select {
 		case isLeader := <-s.RaftHashicorp.LeaderCh():
+			leader, _ := s.RaftHashicorp.LeaderWithID()
 			if isLeader {
-				peerLeader := string(s.serverAddr)
-				existsPeerName := make(map[string]bool)
-				for _, server := range s.RaftHashicorp.GetConfiguration().Configuration().Servers {
-					if string(server.ID) == peerLeader {
-						continue
-					}
-					existsPeerName[string(server.ID)] = true
-				}
-				for _, peer := range s.peers {
-					peerName := string(peer)
-					if peerName == peerLeader || existsPeerName[peerName] {
-						continue
-					}
-					glog.V(0).Infof("adding new peer: %s", peerName)
-					s.RaftHashicorp.AddVoter(
-						raft.ServerID(peerName), raft.ServerAddress(peer.ToGrpcAddress()), 0, 0)
-				}
-				for peer := range existsPeerName {
-					if _, found := s.peers[peer]; !found {
-						glog.V(0).Infof("removing old peer: %s", peer)
-						s.RaftHashicorp.RemoveServer(raft.ServerID(peer), 0, 0)
-					}
-				}
-				if _, found := s.peers[peerLeader]; !found {
-					glog.V(0).Infof("removing old leader peer: %s", peerLeader)
-					s.RaftHashicorp.RemoveServer(raft.ServerID(peerLeader), 0, 0)
+
+				if updatePeers {
+					s.updatePeers()
+					updatePeers = false
 				}
+
+				s.topo.DoBarrier()
+
+				stats.MasterLeaderChangeCounter.WithLabelValues(fmt.Sprintf("%+v", leader)).Inc()
+			} else {
+				s.topo.BarrierReset()
 			}
-			return
-		case <-time.After(updatePeersTimeout):
-			return
+			glog.V(0).Infof("is leader %+v change event: %+v => %+v", isLeader, prevLeader, leader)
+			prevLeader = leader
 		}
 	}
 }
 
+func (s *RaftServer) updatePeers() {
+	peerLeader := string(s.serverAddr)
+	existsPeerName := make(map[string]bool)
+	for _, server := range s.RaftHashicorp.GetConfiguration().Configuration().Servers {
+		if string(server.ID) == peerLeader {
+			continue
+		}
+		existsPeerName[string(server.ID)] = true
+	}
+	for _, peer := range s.peers {
+		peerName := string(peer)
+		if peerName == peerLeader || existsPeerName[peerName] {
+			continue
+		}
+		glog.V(0).Infof("adding new peer: %s", peerName)
+		s.RaftHashicorp.AddVoter(
+			raft.ServerID(peerName), raft.ServerAddress(peer.ToGrpcAddress()), 0, 0)
+	}
+	for peer := range existsPeerName {
+		if _, found := s.peers[peer]; !found {
+			glog.V(0).Infof("removing old peer: %s", peer)
+			s.RaftHashicorp.RemoveServer(raft.ServerID(peer), 0, 0)
+		}
+	}
+	if _, found := s.peers[peerLeader]; !found {
+		glog.V(0).Infof("removing old leader peer: %s", peerLeader)
+		s.RaftHashicorp.RemoveServer(raft.ServerID(peerLeader), 0, 0)
+	}
+}
+
 func NewHashicorpRaftServer(option *RaftServerOption) (*RaftServer, error) {
 	s := &RaftServer{
 		peers:      option.Peers,
@@ -157,6 +173,8 @@ func NewHashicorpRaftServer(option *RaftServerOption) (*RaftServer, error) {
 	if err != nil {
 		return nil, fmt.Errorf("raft.NewRaft: %v", err)
 	}
+
+	updatePeers := false
 	if option.RaftBootstrap || len(s.RaftHashicorp.GetConfiguration().Configuration().Servers) == 0 {
 		cfg := s.AddPeersConfiguration()
 		// Need to get lock, in case all servers do this at the same time.
@@ -169,9 +187,11 @@ func NewHashicorpRaftServer(option *RaftServerOption) (*RaftServer, error) {
 			return nil, fmt.Errorf("raft.Raft.BootstrapCluster: %v", err)
 		}
 	} else {
-		go s.UpdatePeers()
+		updatePeers = true
 	}
 
+	go s.monitorLeaderLoop(updatePeers)
+
 	ticker := time.NewTicker(c.HeartbeatTimeout * 10)
 	if glog.V(4) {
 		go func() {
diff --git a/weed/server/raft_server.go b/weed/server/raft_server.go
index d718ecac7..4bcd808c2 100644
--- a/weed/server/raft_server.go
+++ b/weed/server/raft_server.go
@@ -2,13 +2,14 @@ package weed_server
 
 import (
 	"encoding/json"
-	transport "github.com/Jille/raft-grpc-transport"
 	"io"
 	"math/rand"
 	"os"
 	"path"
 	"time"
 
+	transport "github.com/Jille/raft-grpc-transport"
+
 	"google.golang.org/grpc"
 
 	"github.com/seaweedfs/seaweedfs/weed/pb"
diff --git a/weed/server/volume_grpc_remote.go b/weed/server/volume_grpc_remote.go
index 64254b3b8..4452e019b 100644
--- a/weed/server/volume_grpc_remote.go
+++ b/weed/server/volume_grpc_remote.go
@@ -70,10 +70,15 @@ func (vs *VolumeServer) FetchAndWriteNeedle(ctx context.Context, req *volume_ser
 					PairMap:           nil,
 					Jwt:               security.EncodedJwt(req.Auth),
 				}
-				if _, replicaWriteErr := operation.UploadData(data, uploadOption); replicaWriteErr != nil {
-					if err == nil {
-						err = fmt.Errorf("remote write needle %d size %d: %v", req.NeedleId, req.Size, err)
-					}
+
+				uploader, uploaderErr := operation.NewUploader()
+				if uploaderErr != nil && err == nil {
+					err = fmt.Errorf("remote write needle %d size %d: %v", req.NeedleId, req.Size, uploaderErr)
+					return
+				}
+
+				if _, replicaWriteErr := uploader.UploadData(data, uploadOption); replicaWriteErr != nil && err == nil {
+					err = fmt.Errorf("remote write needle %d size %d: %v", req.NeedleId, req.Size, replicaWriteErr)
 				}
 			}(replica.Url)
 		}
diff --git a/weed/server/volume_server_handlers_read.go b/weed/server/volume_server_handlers_read.go
index cc364513b..15d639f49 100644
--- a/weed/server/volume_server_handlers_read.go
+++ b/weed/server/volume_server_handlers_read.go
@@ -27,6 +27,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/storage"
 	"github.com/seaweedfs/seaweedfs/weed/storage/needle"
 	"github.com/seaweedfs/seaweedfs/weed/util"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var fileNameEscaper = strings.NewReplacer(`\`, `\\`, `"`, `\"`)
@@ -81,10 +82,11 @@ func (vs *VolumeServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request)
 		}
 		if vs.ReadMode == "proxy" {
 			// proxy client request to target server
-			u, _ := url.Parse(util.NormalizeUrl(lookupResult.Locations[0].Url))
+			rawURL, _ := util_http.NormalizeUrl(lookupResult.Locations[0].Url)
+			u, _ := url.Parse(rawURL)
 			r.URL.Host = u.Host
 			r.URL.Scheme = u.Scheme
-			request, err := http.NewRequest("GET", r.URL.String(), nil)
+			request, err := http.NewRequest(http.MethodGet, r.URL.String(), nil)
 			if err != nil {
 				glog.V(0).Infof("failed to instance http request of url %s: %v", r.URL.String(), err)
 				InternalError(w)
@@ -96,13 +98,13 @@ func (vs *VolumeServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request)
 				}
 			}
 
-			response, err := client.Do(request)
+			response, err := util_http.GetGlobalHttpClient().Do(request)
 			if err != nil {
 				glog.V(0).Infof("request remote url %s: %v", r.URL.String(), err)
 				InternalError(w)
 				return
 			}
-			defer util.CloseResponse(response)
+			defer util_http.CloseResponse(response)
 			// proxy target response to client
 			for k, vv := range response.Header {
 				for _, v := range vv {
@@ -116,7 +118,8 @@ func (vs *VolumeServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request)
 			return
 		} else {
 			// redirect
-			u, _ := url.Parse(util.NormalizeUrl(lookupResult.Locations[0].PublicUrl))
+			rawURL, _ := util_http.NormalizeUrl(lookupResult.Locations[0].PublicUrl)
+			u, _ := url.Parse(rawURL)
 			u.Path = fmt.Sprintf("%s/%s,%s", u.Path, vid, fid)
 			arg := url.Values{}
 			if c := r.FormValue("collection"); c != "" {
@@ -186,7 +189,7 @@ func (vs *VolumeServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request)
 		w.WriteHeader(http.StatusNotModified)
 		return
 	}
-	setEtag(w, n.Etag())
+	SetEtag(w, n.Etag())
 
 	if n.HasPairs() {
 		pairMap := make(map[string]string)
@@ -253,7 +256,7 @@ func shouldAttemptStreamWrite(hasLocalVolume bool, ext string, r *http.Request)
 	if len(ext) > 0 {
 		ext = strings.ToLower(ext)
 	}
-	if r.Method == "HEAD" {
+	if r.Method == http.MethodHead {
 		return true, true
 	}
 	_, _, _, shouldResize := shouldResizeImages(ext, r)
@@ -377,14 +380,14 @@ func writeResponseContent(filename, mimeType string, rs io.ReadSeeker, w http.Re
 	}
 	w.Header().Set("Accept-Ranges", "bytes")
 
-	adjustPassthroughHeaders(w, r, filename)
+	AdjustPassthroughHeaders(w, r, filename)
 
-	if r.Method == "HEAD" {
+	if r.Method == http.MethodHead {
 		w.Header().Set("Content-Length", strconv.FormatInt(totalSize, 10))
 		return nil
 	}
 
-	return processRangeRequest(r, w, totalSize, mimeType, func(offset int64, size int64) (filer.DoStreamContent, error) {
+	return ProcessRangeRequest(r, w, totalSize, mimeType, func(offset int64, size int64) (filer.DoStreamContent, error) {
 		return func(writer io.Writer) error {
 			if _, e = rs.Seek(offset, 0); e != nil {
 				return e
@@ -406,14 +409,14 @@ func (vs *VolumeServer) streamWriteResponseContent(filename string, mimeType str
 		w.Header().Set("Content-Type", mimeType)
 	}
 	w.Header().Set("Accept-Ranges", "bytes")
-	adjustPassthroughHeaders(w, r, filename)
+	AdjustPassthroughHeaders(w, r, filename)
 
-	if r.Method == "HEAD" {
+	if r.Method == http.MethodHead {
 		w.Header().Set("Content-Length", strconv.FormatInt(totalSize, 10))
 		return
 	}
 
-	processRangeRequest(r, w, totalSize, mimeType, func(offset int64, size int64) (filer.DoStreamContent, error) {
+	ProcessRangeRequest(r, w, totalSize, mimeType, func(offset int64, size int64) (filer.DoStreamContent, error) {
 		return func(writer io.Writer) error {
 			return vs.store.ReadVolumeNeedleDataInto(volumeId, n, readOption, writer, offset, size)
 		}, nil
diff --git a/weed/server/volume_server_handlers_write.go b/weed/server/volume_server_handlers_write.go
index 6e151bf80..7f0fcc871 100644
--- a/weed/server/volume_server_handlers_write.go
+++ b/weed/server/volume_server_handlers_write.go
@@ -53,7 +53,7 @@ func (vs *VolumeServer) PostHandler(w http.ResponseWriter, r *http.Request) {
 
 	// http 204 status code does not allow body
 	if writeError == nil && isUnchanged {
-		setEtag(w, reqNeedle.Etag())
+		SetEtag(w, reqNeedle.Etag())
 		w.WriteHeader(http.StatusNoContent)
 		return
 	}
@@ -65,7 +65,7 @@ func (vs *VolumeServer) PostHandler(w http.ResponseWriter, r *http.Request) {
 	ret.Size = uint32(originalSize)
 	ret.ETag = reqNeedle.Etag()
 	ret.Mime = string(reqNeedle.Mime)
-	setEtag(w, ret.ETag)
+	SetEtag(w, ret.ETag)
 	w.Header().Set("Content-MD5", contentMd5)
 	writeJsonQuiet(w, r, httpStatus, ret)
 }
@@ -147,7 +147,7 @@ func writeDeleteResult(err error, count int64, w http.ResponseWriter, r *http.Re
 	}
 }
 
-func setEtag(w http.ResponseWriter, etag string) {
+func SetEtag(w http.ResponseWriter, etag string) {
 	if etag != "" {
 		if strings.HasPrefix(etag, "\"") {
 			w.Header().Set("ETag", etag)
diff --git a/weed/server/webdav_server.go b/weed/server/webdav_server.go
index 97d51dad7..dbe6dfed5 100644
--- a/weed/server/webdav_server.go
+++ b/weed/server/webdav_server.go
@@ -99,6 +99,7 @@ type FileInfo struct {
 	modifiedTime time.Time
 	etag         string
 	isDirectory  bool
+	err          error
 }
 
 func (fi *FileInfo) Name() string       { return fi.name }
@@ -109,6 +110,9 @@ func (fi *FileInfo) IsDir() bool        { return fi.isDirectory }
 func (fi *FileInfo) Sys() interface{}   { return nil }
 
 func (fi *FileInfo) ETag(ctx context.Context) (string, error) {
+	if fi.err != nil {
+		return "", fi.err
+	}
 	return fi.etag, nil
 }
 
@@ -269,7 +273,10 @@ func (fs *WebDavFileSystem) OpenFile(ctx context.Context, fullFilePath string, f
 
 	fi, err := fs.stat(ctx, fullFilePath)
 	if err != nil {
-		return nil, os.ErrNotExist
+		if err == os.ErrNotExist {
+			return nil, err
+		}
+		return &WebDavFile{fs: fs}, nil
 	}
 	if !strings.HasSuffix(fullFilePath, "/") && fi.IsDir() {
 		fullFilePath += "/"
@@ -365,12 +372,16 @@ func (fs *WebDavFileSystem) stat(ctx context.Context, fullFilePath string) (os.F
 
 	var fi FileInfo
 	entry, err := filer_pb.GetEntry(fs, fullpath)
+	if err != nil {
+		if err == filer_pb.ErrNotFound {
+			return nil, os.ErrNotExist
+		}
+		fi.err = err
+		return &fi, nil
+	}
 	if entry == nil {
 		return nil, os.ErrNotExist
 	}
-	if err != nil {
-		return nil, err
-	}
 	fi.size = int64(filer.FileSize(entry))
 	fi.name = string(fullpath)
 	fi.mode = os.FileMode(entry.Attributes.FileMode)
@@ -392,8 +403,13 @@ func (fs *WebDavFileSystem) Stat(ctx context.Context, name string) (os.FileInfo,
 }
 
 func (f *WebDavFile) saveDataAsChunk(reader io.Reader, name string, offset int64, tsNs int64) (chunk *filer_pb.FileChunk, err error) {
+	uploader, uploaderErr := operation.NewUploader()
+	if uploaderErr != nil {
+		glog.V(0).Infof("upload data %v: %v", f.name, uploaderErr)
+		return nil, fmt.Errorf("upload data: %v", uploaderErr)
+	}
 
-	fileId, uploadResult, flushErr, _ := operation.UploadWithRetry(
+	fileId, uploadResult, flushErr, _ := uploader.UploadWithRetry(
 		f.fs,
 		&filer_pb.AssignVolumeRequest{
 			Count:       1,
@@ -509,7 +525,9 @@ func (f *WebDavFile) Write(buf []byte) (int, error) {
 func (f *WebDavFile) Close() error {
 
 	glog.V(2).Infof("WebDavFileSystem.Close %v", f.name)
-
+	if f.bufWriter == nil {
+		return nil
+	}
 	err := f.bufWriter.Close()
 
 	if f.entry != nil {
diff --git a/weed/shell/command_ec_balance.go b/weed/shell/command_ec_balance.go
index 17ba63cfe..217e5750e 100644
--- a/weed/shell/command_ec_balance.go
+++ b/weed/shell/command_ec_balance.go
@@ -455,16 +455,20 @@ func doBalanceEcRack(commandEnv *CommandEnv, ecRack *EcRack, applyBalancing bool
 func pickOneEcNodeAndMoveOneShard(commandEnv *CommandEnv, averageShardsPerEcNode int, existingLocation *EcNode, collection string, vid needle.VolumeId, shardId erasure_coding.ShardId, possibleDestinationEcNodes []*EcNode, applyBalancing bool) error {
 
 	sortEcNodesByFreeslotsDescending(possibleDestinationEcNodes)
-
+	skipReason := ""
 	for _, destEcNode := range possibleDestinationEcNodes {
+
 		if destEcNode.info.Id == existingLocation.info.Id {
 			continue
 		}
 
 		if destEcNode.freeEcSlot <= 0 {
+			skipReason += fmt.Sprintf("  Skipping %s because it has no free slots\n", destEcNode.info.Id)
 			continue
 		}
 		if findEcVolumeShards(destEcNode, vid).ShardIdCount() >= averageShardsPerEcNode {
+			skipReason += fmt.Sprintf("  Skipping %s because it %d >= avernageShards (%d)\n",
+				destEcNode.info.Id, findEcVolumeShards(destEcNode, vid).ShardIdCount(), averageShardsPerEcNode)
 			continue
 		}
 
@@ -477,7 +481,7 @@ func pickOneEcNodeAndMoveOneShard(commandEnv *CommandEnv, averageShardsPerEcNode
 
 		return nil
 	}
-
+	fmt.Printf("WARNING: Could not find suitable taget node for %d.%d:\n%s", vid, shardId, skipReason)
 	return nil
 }
 
diff --git a/weed/shell/command_ec_rebuild.go b/weed/shell/command_ec_rebuild.go
index 2131c5649..a4dfac67c 100644
--- a/weed/shell/command_ec_rebuild.go
+++ b/weed/shell/command_ec_rebuild.go
@@ -224,7 +224,7 @@ func prepareDataToRecover(commandEnv *CommandEnv, rebuilder *EcNode, collection
 					Collection:     collection,
 					ShardIds:       []uint32{uint32(shardId)},
 					CopyEcxFile:    needEcxFile,
-					CopyEcjFile:    needEcxFile,
+					CopyEcjFile:    true,
 					CopyVifFile:    needEcxFile,
 					SourceDataNode: ecNodes[0].info.Id,
 				})
diff --git a/weed/shell/command_fs_merge_volumes.go b/weed/shell/command_fs_merge_volumes.go
index 4a6048a43..b77feb8e3 100644
--- a/weed/shell/command_fs_merge_volumes.go
+++ b/weed/shell/command_fs_merge_volumes.go
@@ -19,14 +19,10 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
 	"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
 	"github.com/seaweedfs/seaweedfs/weed/util"
-)
-
-var (
-	client *http.Client
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 func init() {
-	client = &http.Client{}
 	Commands = append(Commands, &commandFsMergeVolumes{})
 }
 
@@ -104,7 +100,7 @@ func (c *commandFsMergeVolumes) Do(args []string, commandEnv *CommandEnv, writer
 		return nil
 	}
 
-	defer client.CloseIdleConnections()
+	defer util_http.GetGlobalHttpClient().CloseIdleConnections()
 
 	return commandEnv.WithFilerClient(false, func(filerClient filer_pb.SeaweedFilerClient) error {
 		return filer_pb.TraverseBfs(commandEnv, util.FullPath(dir), func(parentPath util.FullPath, entry *filer_pb.Entry) {
@@ -304,7 +300,7 @@ func moveChunk(chunk *filer_pb.FileChunk, toVolumeId needle.VolumeId, masterClie
 	if err != nil {
 		return err
 	}
-	defer util.CloseResponse(resp)
+	defer util_http.CloseResponse(resp)
 	defer reader.Close()
 
 	var filename string
@@ -322,7 +318,12 @@ func moveChunk(chunk *filer_pb.FileChunk, toVolumeId needle.VolumeId, masterClie
 	isCompressed := resp.Header.Get("Content-Encoding") == "gzip"
 	md5 := resp.Header.Get("Content-MD5")
 
-	_, err, _ = operation.Upload(reader, &operation.UploadOption{
+	uploader, err := operation.NewUploader()
+	if err != nil {
+		return err
+	}
+	
+	_, err, _ = uploader.Upload(reader, &operation.UploadOption{
 		UploadUrl:         uploadURL,
 		Filename:          filename,
 		IsInputCompressed: isCompressed,
@@ -342,18 +343,18 @@ func moveChunk(chunk *filer_pb.FileChunk, toVolumeId needle.VolumeId, masterClie
 
 func readUrl(fileUrl string) (*http.Response, io.ReadCloser, error) {
 
-	req, err := http.NewRequest("GET", fileUrl, nil)
+	req, err := http.NewRequest(http.MethodGet, fileUrl, nil)
 	if err != nil {
 		return nil, nil, err
 	}
 	req.Header.Add("Accept-Encoding", "gzip")
 
-	r, err := client.Do(req)
+	r, err := util_http.GetGlobalHttpClient().Do(req)
 	if err != nil {
 		return nil, nil, err
 	}
 	if r.StatusCode >= 400 {
-		util.CloseResponse(r)
+		util_http.CloseResponse(r)
 		return nil, nil, fmt.Errorf("%s: %s", fileUrl, r.Status)
 	}
 
diff --git a/weed/shell/command_fs_verify.go b/weed/shell/command_fs_verify.go
index 32d498202..47052cca0 100644
--- a/weed/shell/command_fs_verify.go
+++ b/weed/shell/command_fs_verify.go
@@ -1,6 +1,7 @@
 package shell
 
 import (
+	"bytes"
 	"context"
 	"flag"
 	"fmt"
@@ -30,6 +31,7 @@ type commandFsVerify struct {
 	volumeServers      []pb.ServerAddress
 	volumeIds          map[uint32][]pb.ServerAddress
 	verbose            *bool
+	metadataFromLog    *bool
 	concurrency        *int
 	modifyTimeAgoAtSec int64
 	writer             io.Writer
@@ -56,7 +58,7 @@ func (c *commandFsVerify) Do(args []string, commandEnv *CommandEnv, writer io.Wr
 	c.verbose = fsVerifyCommand.Bool("v", false, "print out each processed files")
 	modifyTimeAgo := fsVerifyCommand.Duration("modifyTimeAgo", 0, "only include files after this modify time to verify")
 	c.concurrency = fsVerifyCommand.Int("concurrency", 0, "number of parallel verification per volume server")
-
+	c.metadataFromLog = fsVerifyCommand.Bool("metadataFromLog", false, "Using  filer log to get metadata")
 	if err = fsVerifyCommand.Parse(args); err != nil {
 		return err
 	}
@@ -88,14 +90,19 @@ func (c *commandFsVerify) Do(args []string, commandEnv *CommandEnv, writer io.Wr
 			defer close(c.waitChan[volumeServerStr])
 		}
 	}
-
-	fCount, eConut, terr := c.verifyTraverseBfs(path)
-	if terr == nil {
-		fmt.Fprintf(writer, "verified %d files, error %d files \n", fCount, eConut)
+	var fCount, eCount uint64
+	if *c.metadataFromLog {
+		var wg sync.WaitGroup
+		fCount, eCount, err = c.verifyProcessMetadata(path, &wg)
+		wg.Wait()
+		if err != nil {
+			return err
+		}
+	} else {
+		fCount, eCount, err = c.verifyTraverseBfs(path)
 	}
-
-	return terr
-
+	fmt.Fprintf(writer, "verified %d files, error %d files \n", fCount, eCount)
+	return err
 }
 
 func (c *commandFsVerify) collectVolumeIds() error {
@@ -117,7 +124,7 @@ func (c *commandFsVerify) collectVolumeIds() error {
 	return nil
 }
 
-func (c *commandFsVerify) verifyEntry(volumeServer pb.ServerAddress, fileId *filer_pb.FileId) error {
+func (c *commandFsVerify) verifyChunk(volumeServer pb.ServerAddress, fileId *filer_pb.FileId) error {
 	err := operation.WithVolumeServerClient(false, volumeServer, c.env.option.GrpcDialOption,
 		func(client volume_server_pb.VolumeServerClient) error {
 			_, err := client.VolumeNeedleStatus(context.Background(),
@@ -138,6 +145,126 @@ type ItemEntry struct {
 	path   util.FullPath
 }
 
+func (c *commandFsVerify) verifyProcessMetadata(path string, wg *sync.WaitGroup) (fileCount uint64, errCount uint64, err error) {
+	processEventFn := func(resp *filer_pb.SubscribeMetadataResponse) error {
+		message := resp.EventNotification
+		if resp.EventNotification.NewEntry == nil {
+			return nil
+		}
+		chunkCount := len(message.NewEntry.Chunks)
+		if chunkCount == 0 {
+			return nil
+		}
+		entryPath := fmt.Sprintf("%s/%s", message.NewParentPath, message.NewEntry.Name)
+		errorChunksCount := atomic.NewUint64(0)
+		if !c.verifyEntry(entryPath, message.NewEntry.Chunks, errorChunksCount, wg) {
+			if err = c.env.WithFilerClient(false, func(client filer_pb.SeaweedFilerClient) error {
+				entryResp, errReq := client.LookupDirectoryEntry(context.Background(), &filer_pb.LookupDirectoryEntryRequest{
+					Directory: message.NewParentPath,
+					Name:      message.NewEntry.Name,
+				})
+				if errReq != nil {
+					if strings.HasSuffix(errReq.Error(), "no entry is found in filer store") {
+						return nil
+					}
+					return errReq
+				}
+				if entryResp.Entry.Attributes.Mtime == message.NewEntry.Attributes.Mtime &&
+					bytes.Equal(entryResp.Entry.Attributes.Md5, message.NewEntry.Attributes.Md5) {
+					fmt.Fprintf(c.writer, "file: %s needles:%d failed:%d\n", entryPath, chunkCount, errorChunksCount.Load())
+					errCount++
+				}
+				return nil
+			}); err != nil {
+				return err
+			}
+			return nil
+		}
+		if *c.verbose {
+			fmt.Fprintf(c.writer, "file: %s needles:%d verifed\n", entryPath, chunkCount)
+		}
+		fileCount++
+		return nil
+	}
+	metadataFollowOption := &pb.MetadataFollowOption{
+		ClientName:             "shell_verify",
+		ClientId:               util.RandomInt32(),
+		ClientEpoch:            0,
+		SelfSignature:          0,
+		PathPrefix:             path,
+		AdditionalPathPrefixes: nil,
+		DirectoriesToWatch:     nil,
+		StartTsNs:              time.Now().Add(-1 * time.Second * time.Duration(c.modifyTimeAgoAtSec)).UnixNano(),
+		StopTsNs:               time.Now().UnixNano(),
+		EventErrorType:         pb.DontLogError,
+	}
+	return fileCount, errCount, pb.FollowMetadata(c.env.option.FilerAddress, c.env.option.GrpcDialOption, metadataFollowOption, processEventFn)
+}
+
+func (c *commandFsVerify) verifyEntry(path string, chunks []*filer_pb.FileChunk, errorCount *atomic.Uint64, wg *sync.WaitGroup) bool {
+	fileMsg := fmt.Sprintf("file:%s", path)
+	itemIsVerifed := atomic.NewBool(true)
+	for _, chunk := range chunks {
+		if volumeIds, ok := c.volumeIds[chunk.Fid.VolumeId]; ok {
+			for _, volumeServer := range volumeIds {
+				if *c.concurrency == 0 {
+					if err := c.verifyChunk(volumeServer, chunk.Fid); err != nil {
+						if !(*c.metadataFromLog && strings.HasSuffix(err.Error(), "not found")) {
+							fmt.Fprintf(c.writer, "%s failed verify fileId %s: %+v\n",
+								fileMsg, chunk.GetFileIdString(), err)
+						}
+						if itemIsVerifed.Load() {
+							itemIsVerifed.Store(false)
+							errorCount.Add(1)
+						}
+					}
+					continue
+				}
+				c.waitChanLock.RLock()
+				waitChan, ok := c.waitChan[string(volumeServer)]
+				c.waitChanLock.RUnlock()
+				if !ok {
+					fmt.Fprintf(c.writer, "%s failed to get channel for %s fileId: %s\n",
+						string(volumeServer), fileMsg, chunk.GetFileIdString())
+					if itemIsVerifed.Load() {
+						itemIsVerifed.Store(false)
+						errorCount.Add(1)
+					}
+					continue
+				}
+				wg.Add(1)
+				waitChan <- struct{}{}
+				go func(fChunk *filer_pb.FileChunk, path string, volumeServer pb.ServerAddress, msg string) {
+					defer wg.Done()
+					if err := c.verifyChunk(volumeServer, fChunk.Fid); err != nil {
+						if !(*c.metadataFromLog && strings.HasSuffix(err.Error(), "not found")) {
+							fmt.Fprintf(c.writer, "%s failed verify fileId %s: %+v\n",
+								msg, fChunk.GetFileIdString(), err)
+						}
+						if itemIsVerifed.Load() {
+							itemIsVerifed.Store(false)
+							errorCount.Add(1)
+						}
+					}
+					<-waitChan
+				}(chunk, path, volumeServer, fileMsg)
+			}
+		} else {
+			if !*c.metadataFromLog {
+				err := fmt.Errorf("volumeId %d not found", chunk.Fid.VolumeId)
+				fmt.Fprintf(c.writer, "%s failed verify fileId %s: %+v\n",
+					fileMsg, chunk.GetFileIdString(), err)
+			}
+			if itemIsVerifed.Load() {
+				itemIsVerifed.Store(false)
+				errorCount.Add(1)
+			}
+			break
+		}
+	}
+	return itemIsVerifed.Load()
+}
+
 func (c *commandFsVerify) verifyTraverseBfs(path string) (fileCount uint64, errCount uint64, err error) {
 	timeNowAtSec := time.Now().Unix()
 	return fileCount, errCount, doTraverseBfsAndSaving(c.env, c.writer, path, false,
@@ -166,63 +293,9 @@ func (c *commandFsVerify) verifyTraverseBfs(path string) (fileCount uint64, errC
 			for itemEntry := range outputChan {
 				i := itemEntry.(*ItemEntry)
 				itemPath := string(i.path)
-				fileMsg := fmt.Sprintf("file:%s", itemPath)
-				itemIsVerifed := atomic.NewBool(true)
-				for _, chunk := range i.chunks {
-					if volumeIds, ok := c.volumeIds[chunk.Fid.VolumeId]; ok {
-						for _, volumeServer := range volumeIds {
-							if *c.concurrency == 0 {
-								if err = c.verifyEntry(volumeServer, chunk.Fid); err != nil {
-									fmt.Fprintf(c.writer, "%s failed verify fileId %s: %+v\n",
-										fileMsg, chunk.GetFileIdString(), err)
-									if itemIsVerifed.Load() {
-										itemIsVerifed.Store(false)
-										itemErrCount.Add(1)
-									}
-								}
-								continue
-							}
-							c.waitChanLock.RLock()
-							waitChan, ok := c.waitChan[string(volumeServer)]
-							c.waitChanLock.RUnlock()
-							if !ok {
-								fmt.Fprintf(c.writer, "%s failed to get channel for %s fileId: %s: %+v\n",
-									string(volumeServer), fileMsg, chunk.GetFileIdString(), err)
-								if itemIsVerifed.Load() {
-									itemIsVerifed.Store(false)
-									itemErrCount.Add(1)
-								}
-								continue
-							}
-							wg.Add(1)
-							waitChan <- struct{}{}
-							go func(fChunk *filer_pb.FileChunk, path string, volumeServer pb.ServerAddress, msg string) {
-								defer wg.Done()
-								if err = c.verifyEntry(volumeServer, fChunk.Fid); err != nil {
-									fmt.Fprintf(c.writer, "%s failed verify fileId %s: %+v\n",
-										msg, fChunk.GetFileIdString(), err)
-									if itemIsVerifed.Load() {
-										itemIsVerifed.Store(false)
-										itemErrCount.Add(1)
-									}
-								}
-								<-waitChan
-							}(chunk, itemPath, volumeServer, fileMsg)
-						}
-					} else {
-						err = fmt.Errorf("volumeId %d not found", chunk.Fid.VolumeId)
-						fmt.Fprintf(c.writer, "%s failed verify fileId %s: %+v\n",
-							fileMsg, chunk.GetFileIdString(), err)
-						if itemIsVerifed.Load() {
-							itemIsVerifed.Store(false)
-							itemErrCount.Add(1)
-						}
-						break
-					}
-				}
-				if itemIsVerifed.Load() {
+				if c.verifyEntry(itemPath, i.chunks, itemErrCount, &wg) {
 					if *c.verbose {
-						fmt.Fprintf(c.writer, "%s needles:%d verifed\n", fileMsg, len(i.chunks))
+						fmt.Fprintf(c.writer, "file: %s needles:%d verifed\n", itemPath, len(i.chunks))
 					}
 					fileCount++
 				}
diff --git a/weed/shell/command_remote_uncache.go b/weed/shell/command_remote_uncache.go
index 34269ce4e..25e51ff74 100644
--- a/weed/shell/command_remote_uncache.go
+++ b/weed/shell/command_remote_uncache.go
@@ -7,6 +7,7 @@ import (
 	"io"
 	"path/filepath"
 	"strings"
+	"time"
 
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
@@ -164,12 +165,12 @@ func (ff *FileFilter) matches(entry *filer_pb.Entry) bool {
 		}
 	}
 	if *ff.minAge != -1 {
-		if entry.Attributes.Crtime < *ff.minAge {
+		if entry.Attributes.Crtime + *ff.minAge > time.Now().Unix() {
 			return false
 		}
 	}
 	if *ff.maxAge != -1 {
-		if entry.Attributes.Crtime > *ff.maxAge {
+		if entry.Attributes.Crtime + *ff.maxAge < time.Now().Unix() {
 			return false
 		}
 	}
diff --git a/weed/shell/command_s3_bucket_quota_check.go b/weed/shell/command_s3_bucket_quota_check.go
index bc0d838f7..b130e4fad 100644
--- a/weed/shell/command_s3_bucket_quota_check.go
+++ b/weed/shell/command_s3_bucket_quota_check.go
@@ -130,7 +130,7 @@ func (c *commandS3BucketQuotaEnforce) processEachBucket(fc *filer.FilerConf, fil
 		} else {
 			fmt.Fprintf(writer, "    changing bucket %s to writable.\n", entry.Name)
 		}
-		fc.AddLocationConf(locConf)
+		fc.SetLocationConf(locConf)
 	}
 
 	return
diff --git a/weed/shell/command_s3_clean_uploads.go b/weed/shell/command_s3_clean_uploads.go
index 2be61f72a..accce60ba 100644
--- a/weed/shell/command_s3_clean_uploads.go
+++ b/weed/shell/command_s3_clean_uploads.go
@@ -12,6 +12,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/util"
 
 	"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 func init() {
@@ -90,7 +91,7 @@ func (c *commandS3CleanUploads) cleanupUploads(commandEnv *CommandEnv, writer io
 		deleteUrl := fmt.Sprintf("http://%s%s/%s?recursive=true&ignoreRecursiveError=true", commandEnv.option.FilerAddress.ToHttpAddress(), uploadsDir, staleUpload)
 		fmt.Fprintf(writer, "purge %s\n", deleteUrl)
 
-		err = util.Delete(deleteUrl, string(encodedJwt))
+		err = util_http.Delete(deleteUrl, string(encodedJwt))
 		if err != nil && err.Error() != "" {
 			return fmt.Errorf("purge %s/%s: %v", uploadsDir, staleUpload, err)
 		}
diff --git a/weed/shell/command_volume_check_disk.go b/weed/shell/command_volume_check_disk.go
index 3e2512bdd..0e76f6ac9 100644
--- a/weed/shell/command_volume_check_disk.go
+++ b/weed/shell/command_volume_check_disk.go
@@ -279,7 +279,7 @@ func doVolumeCheckDisk(minuend, subtrahend *needle_map.MemDb, source, target *Vo
 				fmt.Fprintf(writer, "delete %s %s => %s\n", needleValue.Key.FileId(source.info.Id), source.location.dataNode.Id, target.location.dataNode.Id)
 			}
 		}
-		deleteResults, deleteErr := operation.DeleteFilesAtOneVolumeServer(
+		deleteResults, deleteErr := operation.DeleteFileIdsAtOneVolumeServer(
 			pb.NewServerAddressFromDataNode(target.location.dataNode),
 			grpcDialOption, fidList, false)
 		if deleteErr != nil {
diff --git a/weed/shell/command_volume_fsck.go b/weed/shell/command_volume_fsck.go
index 1d27fae1d..acb0ee5ad 100644
--- a/weed/shell/command_volume_fsck.go
+++ b/weed/shell/command_volume_fsck.go
@@ -7,6 +7,18 @@ import (
 	"errors"
 	"flag"
 	"fmt"
+	"io"
+	"math"
+	"net/http"
+	"net/url"
+	"os"
+	"path"
+	"path/filepath"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+
 	"github.com/seaweedfs/seaweedfs/weed/filer"
 	"github.com/seaweedfs/seaweedfs/weed/operation"
 	"github.com/seaweedfs/seaweedfs/weed/pb"
@@ -14,23 +26,12 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
 	"github.com/seaweedfs/seaweedfs/weed/pb/volume_server_pb"
 	"github.com/seaweedfs/seaweedfs/weed/storage"
-	"github.com/seaweedfs/seaweedfs/weed/storage/idx"
 	"github.com/seaweedfs/seaweedfs/weed/storage/needle"
 	"github.com/seaweedfs/seaweedfs/weed/storage/needle_map"
 	"github.com/seaweedfs/seaweedfs/weed/storage/types"
 	"github.com/seaweedfs/seaweedfs/weed/util"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 	"golang.org/x/sync/errgroup"
-	"io"
-	"math"
-	"net/http"
-	"net/url"
-	"os"
-	"path"
-	"path/filepath"
-	"strconv"
-	"strings"
-	"sync"
-	"time"
 )
 
 func init() {
@@ -163,7 +164,7 @@ func (c *commandVolumeFsck) Do(args []string, commandEnv *CommandEnv, writer io.
 					delete(volumeIdToVInfo, volumeId)
 					continue
 				}
-				err = c.collectOneVolumeFileIds(dataNodeId, volumeId, vinfo, uint64(collectModifyFromAtNs), uint64(collectCutoffFromAtNs))
+				err = c.collectOneVolumeFileIds(dataNodeId, volumeId, vinfo)
 				if err != nil {
 					return fmt.Errorf("failed to collect file ids from volume %d on %s: %v", volumeId, vinfo.server, err)
 				}
@@ -198,7 +199,7 @@ func (c *commandVolumeFsck) Do(args []string, commandEnv *CommandEnv, writer io.
 			return fmt.Errorf("failed to collect file ids from filer: %v", err)
 		}
 		// volume file ids subtract filer file ids
-		if err = c.findExtraChunksInVolumeServers(dataNodeVolumeIdToVInfo, *applyPurging); err != nil {
+		if err = c.findExtraChunksInVolumeServers(dataNodeVolumeIdToVInfo, *applyPurging, uint64(collectModifyFromAtNs), uint64(collectCutoffFromAtNs)); err != nil {
 			return fmt.Errorf("findExtraChunksInVolumeServers: %v", err)
 		}
 	}
@@ -288,7 +289,7 @@ func (c *commandVolumeFsck) findFilerChunksMissingInVolumeServers(volumeIdToVInf
 	return nil
 }
 
-func (c *commandVolumeFsck) findExtraChunksInVolumeServers(dataNodeVolumeIdToVInfo map[string]map[uint32]VInfo, applyPurging bool) error {
+func (c *commandVolumeFsck) findExtraChunksInVolumeServers(dataNodeVolumeIdToVInfo map[string]map[uint32]VInfo, applyPurging bool, modifyFrom, cutoffFrom uint64) error {
 
 	var totalInUseCount, totalOrphanChunkCount, totalOrphanDataSize uint64
 	volumeIdOrphanFileIds := make(map[uint32]map[string]bool)
@@ -298,7 +299,7 @@ func (c *commandVolumeFsck) findExtraChunksInVolumeServers(dataNodeVolumeIdToVIn
 	serverReplicas := make(map[uint32][]pb.ServerAddress)
 	for dataNodeId, volumeIdToVInfo := range dataNodeVolumeIdToVInfo {
 		for volumeId, vinfo := range volumeIdToVInfo {
-			inUseCount, orphanFileIds, orphanDataSize, checkErr := c.oneVolumeFileIdsSubtractFilerFileIds(dataNodeId, volumeId, &vinfo)
+			inUseCount, orphanFileIds, orphanDataSize, checkErr := c.oneVolumeFileIdsSubtractFilerFileIds(dataNodeId, volumeId, &vinfo, modifyFrom, cutoffFrom)
 			if checkErr != nil {
 				return fmt.Errorf("failed to collect file ids from volume %d on %s: %v", volumeId, vinfo.server, checkErr)
 			}
@@ -394,7 +395,7 @@ func (c *commandVolumeFsck) findExtraChunksInVolumeServers(dataNodeVolumeIdToVIn
 	return nil
 }
 
-func (c *commandVolumeFsck) collectOneVolumeFileIds(dataNodeId string, volumeId uint32, vinfo VInfo, modifyFrom uint64, cutoffFrom uint64) error {
+func (c *commandVolumeFsck) collectOneVolumeFileIds(dataNodeId string, volumeId uint32, vinfo VInfo) error {
 
 	if *c.verbose {
 		fmt.Fprintf(c.writer, "collecting volume %d file ids from %s ...\n", volumeId, vinfo.server)
@@ -431,29 +432,6 @@ func (c *commandVolumeFsck) collectOneVolumeFileIds(dataNodeId string, volumeId
 				}
 				buf.Write(resp.FileContent)
 			}
-			if !vinfo.isReadOnly && (modifyFrom != 0 || cutoffFrom != 0) {
-				index, err := idx.FirstInvalidIndex(buf.Bytes(),
-					func(key types.NeedleId, offset types.Offset, size types.Size) (bool, error) {
-						resp, err := volumeServerClient.ReadNeedleMeta(context.Background(), &volume_server_pb.ReadNeedleMetaRequest{
-							VolumeId: volumeId,
-							NeedleId: uint64(key),
-							Offset:   offset.ToActualOffset(),
-							Size:     int32(size),
-						})
-						if err != nil {
-							return false, fmt.Errorf("read needle meta with id %d from volume %d: %v", key, volumeId, err)
-						}
-						if (modifyFrom == 0 || modifyFrom <= resp.AppendAtNs) && (cutoffFrom == 0 || resp.AppendAtNs <= cutoffFrom) {
-							return true, nil
-						}
-						return false, nil
-					})
-				if err != nil {
-					fmt.Fprintf(c.writer, "Failed to search for last valid index on volume %d with error %v\n", volumeId, err)
-				} else {
-					buf.Truncate(index * types.NeedleMapEntrySize)
-				}
-			}
 			idxFilename := getVolumeFileIdFile(c.tempFolder, dataNodeId, volumeId)
 			err = writeToFile(buf.Bytes(), idxFilename)
 			if err != nil {
@@ -552,9 +530,7 @@ func (c *commandVolumeFsck) httpDelete(path util.FullPath) {
 		fmt.Fprintf(c.writer, "HTTP delete request error: %v\n", err)
 	}
 
-	client := &http.Client{}
-
-	resp, err := client.Do(req)
+	resp, err := util_http.GetGlobalHttpClient().Do(req)
 	if err != nil {
 		fmt.Fprintf(c.writer, "DELETE fetch error: %v\n", err)
 	}
@@ -571,7 +547,7 @@ func (c *commandVolumeFsck) httpDelete(path util.FullPath) {
 	}
 }
 
-func (c *commandVolumeFsck) oneVolumeFileIdsSubtractFilerFileIds(dataNodeId string, volumeId uint32, vinfo *VInfo) (inUseCount uint64, orphanFileIds []string, orphanDataSize uint64, err error) {
+func (c *commandVolumeFsck) oneVolumeFileIdsSubtractFilerFileIds(dataNodeId string, volumeId uint32, vinfo *VInfo, modifyFrom, cutoffFrom uint64) (inUseCount uint64, orphanFileIds []string, orphanDataSize uint64, err error) {
 
 	volumeFileIdDb := needle_map.NewMemDb()
 	defer volumeFileIdDb.Close()
@@ -611,9 +587,30 @@ func (c *commandVolumeFsck) oneVolumeFileIdsSubtractFilerFileIds(dataNodeId stri
 		if n.Size.IsDeleted() {
 			return nil
 		}
-		orphanFileIds = append(orphanFileIds, n.Key.FileId(volumeId))
-		orphanFileCount++
-		orphanDataSize += uint64(n.Size)
+		if cutoffFrom > 0 || modifyFrom > 0 {
+			return operation.WithVolumeServerClient(false, vinfo.server, c.env.option.GrpcDialOption,
+				func(volumeServerClient volume_server_pb.VolumeServerClient) error {
+					resp, err := volumeServerClient.ReadNeedleMeta(context.Background(), &volume_server_pb.ReadNeedleMetaRequest{
+						VolumeId: volumeId,
+						NeedleId: types.NeedleIdToUint64(n.Key),
+						Offset:   n.Offset.ToActualOffset(),
+						Size:     int32(n.Size),
+					})
+					if err != nil {
+						return fmt.Errorf("read needle meta with id %d from volume %d: %v", n.Key, volumeId, err)
+					}
+					if (modifyFrom == 0 || modifyFrom <= resp.AppendAtNs) && (cutoffFrom == 0 || resp.AppendAtNs <= cutoffFrom) {
+						orphanFileIds = append(orphanFileIds, n.Key.FileId(volumeId))
+						orphanFileCount++
+						orphanDataSize += uint64(n.Size)
+					}
+					return nil
+				})
+		} else {
+			orphanFileIds = append(orphanFileIds, n.Key.FileId(volumeId))
+			orphanFileCount++
+			orphanDataSize += uint64(n.Size)
+		}
 		return nil
 	}); err != nil {
 		err = fmt.Errorf("failed to AscendingVisit %+v", err)
@@ -697,7 +694,7 @@ func (c *commandVolumeFsck) purgeFileIdsForOneVolume(volumeId uint32, fileIds []
 		go func(server pb.ServerAddress, fidList []string) {
 			defer wg.Done()
 
-			if deleteResults, deleteErr := operation.DeleteFilesAtOneVolumeServer(server, c.env.option.GrpcDialOption, fidList, false); deleteErr != nil {
+			if deleteResults, deleteErr := operation.DeleteFileIdsAtOneVolumeServer(server, c.env.option.GrpcDialOption, fidList, false); deleteErr != nil {
 				err = deleteErr
 			} else if deleteResults != nil {
 				resultChan <- deleteResults
diff --git a/weed/shell/command_volume_grow.go b/weed/shell/command_volume_grow.go
new file mode 100644
index 000000000..21d98dddd
--- /dev/null
+++ b/weed/shell/command_volume_grow.go
@@ -0,0 +1,64 @@
+package shell
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
+	"io"
+)
+
+func init() {
+	Commands = append(Commands, &commandGrow{})
+}
+
+type commandGrow struct {
+}
+
+func (c *commandGrow) Name() string {
+	return "volume.grow"
+}
+
+func (c *commandGrow) Help() string {
+	return `grow volumes
+
+	volume.grow [-collection=<collection name>] [-dataCenter=<data center name>]
+
+`
+}
+
+func (c *commandGrow) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
+
+	volumeVacuumCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
+	growCount := volumeVacuumCommand.Uint("count", 2, "")
+	collection := volumeVacuumCommand.String("collection", "", "grow this collection")
+	dataCenter := volumeVacuumCommand.String("dataCenter", "", "grow volumes only from the specified data center")
+
+	if err = volumeVacuumCommand.Parse(args); err != nil {
+		return nil
+	}
+
+	assignRequest := &master_pb.AssignRequest{
+		Count:               0,
+		Collection:          *collection,
+		WritableVolumeCount: uint32(*growCount),
+	}
+	if *dataCenter != "" {
+		assignRequest.DataCenter = *dataCenter
+	}
+
+	err = commandEnv.MasterClient.WithClient(false, func(client master_pb.SeaweedClient) error {
+		_, err := client.Assign(context.Background(), assignRequest)
+
+		if err != nil {
+			return fmt.Errorf("Assign: %v", err)
+		}
+		return nil
+	})
+
+	if err != nil {
+		return
+	}
+
+	return nil
+}
diff --git a/weed/shell/command_volume_server_evacuate.go b/weed/shell/command_volume_server_evacuate.go
index 57eb6fc45..bad695cd7 100644
--- a/weed/shell/command_volume_server_evacuate.go
+++ b/weed/shell/command_volume_server_evacuate.go
@@ -3,14 +3,15 @@ package shell
 import (
 	"flag"
 	"fmt"
+	"io"
+	"os"
+
 	"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
 	"github.com/seaweedfs/seaweedfs/weed/storage/erasure_coding"
 	"github.com/seaweedfs/seaweedfs/weed/storage/needle"
 	"github.com/seaweedfs/seaweedfs/weed/storage/super_block"
 	"github.com/seaweedfs/seaweedfs/weed/storage/types"
 	"golang.org/x/exp/slices"
-	"io"
-	"os"
 )
 
 func init() {
@@ -219,7 +220,7 @@ func moveAwayOneNormalVolume(commandEnv *CommandEnv, volumeReplicas map[uint32][
 	})
 	for i := 0; i < len(otherNodes); i++ {
 		emptyNode := otherNodes[i]
-		if freeVolumeCountfn(emptyNode.info) < 0 {
+		if freeVolumeCountfn(emptyNode.info) <= 0 {
 			continue
 		}
 		hasMoved, err = maybeMoveOneVolume(commandEnv, volumeReplicas, thisNode, vol, emptyNode, applyChange)
diff --git a/weed/shell/command_volume_tier_upload.go b/weed/shell/command_volume_tier_upload.go
index 6932317ab..cb805b0cf 100644
--- a/weed/shell/command_volume_tier_upload.go
+++ b/weed/shell/command_volume_tier_upload.go
@@ -113,11 +113,14 @@ func doVolumeTierUpload(commandEnv *CommandEnv, writer io.Writer, collection str
 		return fmt.Errorf("copy dat file for volume %d on %s to %s: %v", vid, existingLocations[0].Url, dest, err)
 	}
 
+	if keepLocalDatFile {
+		return nil
+	}
 	// now the first replica has the .idx and .vif files.
 	// ask replicas on other volume server to delete its own local copy
 	for i, location := range existingLocations {
 		if i == 0 {
-			break
+			continue
 		}
 		fmt.Printf("delete volume %d from %s\n", vid, location.Url)
 		err = deleteVolume(commandEnv.option.GrpcDialOption, vid, location.ServerAddress(), false)
diff --git a/weed/stats/metrics.go b/weed/stats/metrics.go
index 4393c280c..134485946 100644
--- a/weed/stats/metrics.go
+++ b/weed/stats/metrics.go
@@ -76,7 +76,15 @@ var (
 			Subsystem: "master",
 			Name:      "volume_layout_total",
 			Help:      "Number of volumes in volume layouts",
-		}, []string{"collection", "replica", "type"})
+		}, []string{"collection", "dataCenter", "type"})
+
+	MasterPickForWriteErrorCounter = prometheus.NewCounter(
+		prometheus.CounterOpts{
+			Namespace: Namespace,
+			Subsystem: "master",
+			Name:      "pick_for_write_error",
+			Help:      "Counter of master pick for write error",
+		})
 
 	MasterLeaderChangeCounter = prometheus.NewCounterVec(
 		prometheus.CounterOpts{
diff --git a/weed/storage/disk_location.go b/weed/storage/disk_location.go
index b7fa82197..dd78735d2 100644
--- a/weed/storage/disk_location.go
+++ b/weed/storage/disk_location.go
@@ -60,6 +60,7 @@ func GenerateDirUuid(dir string) (dirUuidString string, err error) {
 }
 
 func NewDiskLocation(dir string, maxVolumeCount int32, minFreeSpace util.MinFreeSpace, idxDir string, diskType types.DiskType) *DiskLocation {
+	glog.V(4).Infof("Added new Disk %s: maxVolumes=%d", dir, maxVolumeCount)
 	dir = util.ResolvePath(dir)
 	if idxDir == "" {
 		idxDir = dir
@@ -138,7 +139,7 @@ func (l *DiskLocation) loadExistingVolume(dirEntry os.DirEntry, needleMapKind Ne
 
 	// skip if ec volumes exists
 	if skipIfEcVolumesExists {
-		if util.FileExists(l.Directory + "/" + volumeName + ".ecx") {
+		if util.FileExists(l.IdxDirectory + "/" + volumeName + ".ecx") {
 			return false
 		}
 	}
@@ -417,7 +418,6 @@ func (l *DiskLocation) LocateVolume(vid needle.VolumeId) (os.DirEntry, bool) {
 }
 
 func (l *DiskLocation) UnUsedSpace(volumeSizeLimit uint64) (unUsedSpace uint64) {
-
 	l.volumesLock.RLock()
 	defer l.volumesLock.RUnlock()
 
@@ -426,7 +426,11 @@ func (l *DiskLocation) UnUsedSpace(volumeSizeLimit uint64) (unUsedSpace uint64)
 			continue
 		}
 		datSize, idxSize, _ := vol.FileStat()
-		unUsedSpace += volumeSizeLimit - (datSize + idxSize)
+		unUsedSpaceVolume := int64(volumeSizeLimit) - int64(datSize+idxSize)
+		glog.V(4).Infof("Volume stats for %d: volumeSizeLimit=%d, datSize=%d idxSize=%d unused=%d", vol.Id, volumeSizeLimit, datSize, idxSize, unUsedSpaceVolume)
+		if unUsedSpaceVolume >= 0 {
+			unUsedSpace += uint64(unUsedSpaceVolume)
+		}
 	}
 
 	return
diff --git a/weed/storage/disk_location_test.go b/weed/storage/disk_location_test.go
new file mode 100644
index 000000000..d105a477f
--- /dev/null
+++ b/weed/storage/disk_location_test.go
@@ -0,0 +1,78 @@
+package storage
+
+import (
+	"testing"
+	"time"
+
+	"github.com/seaweedfs/seaweedfs/weed/storage/backend"
+	"github.com/seaweedfs/seaweedfs/weed/storage/needle"
+	"github.com/seaweedfs/seaweedfs/weed/util"
+)
+
+type (
+	mockBackendStorageFile struct {
+		backend.DiskFile
+
+		datSize int64
+	}
+)
+
+func (df *mockBackendStorageFile) GetStat() (datSize int64, modTime time.Time, err error) {
+	return df.datSize, time.Now(), nil
+}
+
+type (
+	mockNeedleMapper struct {
+		NeedleMap
+
+		idxSize uint64
+	}
+)
+
+func (nm *mockNeedleMapper) IndexFileSize() (idxSize uint64) {
+	return nm.idxSize
+}
+
+func TestUnUsedSpace(t *testing.T) {
+	minFreeSpace := util.MinFreeSpace{Type: util.AsPercent, Percent: 1, Raw: "1"}
+
+	diskLocation := DiskLocation{
+		Directory:              "/test/",
+		DirectoryUuid:          "1234",
+		IdxDirectory:           "/test/",
+		DiskType:               "hdd",
+		MaxVolumeCount:         0,
+		OriginalMaxVolumeCount: 0,
+		MinFreeSpace:           minFreeSpace,
+	}
+	diskLocation.volumes = make(map[needle.VolumeId]*Volume)
+
+	volumes := [3]*Volume{
+		{dir: diskLocation.Directory, dirIdx: diskLocation.IdxDirectory, Collection: "", Id: 0, DataBackend: &mockBackendStorageFile{datSize: 990}, nm: &mockNeedleMapper{idxSize: 10}},
+		{dir: diskLocation.Directory, dirIdx: diskLocation.IdxDirectory, Collection: "", Id: 1, DataBackend: &mockBackendStorageFile{datSize: 990}, nm: &mockNeedleMapper{idxSize: 10}},
+		{dir: diskLocation.Directory, dirIdx: diskLocation.IdxDirectory, Collection: "", Id: 2, DataBackend: &mockBackendStorageFile{datSize: 990}, nm: &mockNeedleMapper{idxSize: 10}},
+	}
+
+	for i, vol := range volumes {
+		diskLocation.SetVolume(needle.VolumeId(i), vol)
+	}
+
+	// Testing when there's still space
+	unUsedSpace := diskLocation.UnUsedSpace(1200)
+	if unUsedSpace != 600 {
+		t.Errorf("unUsedSpace incorrect: %d != %d", unUsedSpace, 1500)
+	}
+
+	// Testing when there's exactly 0 space
+	unUsedSpace = diskLocation.UnUsedSpace(1000)
+	if unUsedSpace != 0 {
+		t.Errorf("unUsedSpace incorrect: %d != %d", unUsedSpace, 0)
+	}
+
+	// Testing when there's negative free space
+	unUsedSpace = diskLocation.UnUsedSpace(900)
+	if unUsedSpace != 0 {
+		t.Errorf("unUsedSpace incorrect: %d != %d", unUsedSpace, 0)
+	}
+
+}
diff --git a/weed/storage/needle/needle_parse_upload.go b/weed/storage/needle/needle_parse_upload.go
index b512c16a2..28de27910 100644
--- a/weed/storage/needle/needle_parse_upload.go
+++ b/weed/storage/needle/needle_parse_upload.go
@@ -43,7 +43,7 @@ func ParseUpload(r *http.Request, sizeLimit int64, bytesBuffer *bytes.Buffer) (p
 		}
 	}
 
-	if r.Method == "POST" {
+	if r.Method == http.MethodPost {
 		contentType := r.Header.Get("Content-Type")
 
 		// If content-type is explicitly set, upload the file without parsing form-data
diff --git a/weed/topology/data_node.go b/weed/topology/data_node.go
index 5e48056f7..715b5ed80 100644
--- a/weed/topology/data_node.go
+++ b/weed/topology/data_node.go
@@ -135,12 +135,12 @@ func (dn *DataNode) DeltaUpdateVolumes(newVolumes, deletedVolumes []storage.Volu
 }
 
 func (dn *DataNode) AdjustMaxVolumeCounts(maxVolumeCounts map[string]uint32) {
-	deltaDiskUsages := newDiskUsages()
 	for diskType, maxVolumeCount := range maxVolumeCounts {
 		if maxVolumeCount == 0 {
 			// the volume server may have set the max to zero
 			continue
 		}
+		deltaDiskUsages := newDiskUsages()
 		dt := types.ToDiskType(diskType)
 		currentDiskUsage := dn.diskUsages.getOrCreateDisk(dt)
 		currentDiskUsageMaxVolumeCount := atomic.LoadInt64(&currentDiskUsage.maxVolumeCount)
diff --git a/weed/topology/store_replicate.go b/weed/topology/store_replicate.go
index 82c2db79c..b4a7d649c 100644
--- a/weed/topology/store_replicate.go
+++ b/weed/topology/store_replicate.go
@@ -20,6 +20,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/storage/types"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 	"github.com/seaweedfs/seaweedfs/weed/util/buffer_pool"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 func ReplicatedWrite(masterFn operation.GetMasterFn, grpcDialOption grpc.DialOption, s *storage.Store, volumeId needle.VolumeId, n *needle.Needle, r *http.Request, contentMd5 string) (isUnchanged bool, err error) {
@@ -105,7 +106,12 @@ func ReplicatedWrite(masterFn operation.GetMasterFn, grpcDialOption grpc.DialOpt
 				BytesBuffer:       bytesBuffer,
 			}
 
-			_, err := operation.UploadData(n.Data, uploadOption)
+			uploader, err := operation.NewUploader()
+			if err != nil {
+				glog.Errorf("replication-UploadData, err:%v, url:%s", err, u.String())
+				return err
+			}
+			_, err = uploader.UploadData(n.Data, uploadOption)
 			if err != nil {
 				glog.Errorf("replication-UploadData, err:%v, url:%s", err, u.String())
 			}
@@ -144,7 +150,7 @@ func ReplicatedDelete(masterFn operation.GetMasterFn, grpcDialOption grpc.DialOp
 
 	if len(remoteLocations) > 0 { //send to other replica locations
 		if err = DistributedOperation(remoteLocations, func(location operation.Location) error {
-			return util.Delete("http://"+location.Url+r.URL.Path+"?type=replicate", string(jwt))
+			return util_http.Delete("http://"+location.Url+r.URL.Path+"?type=replicate", string(jwt))
 		}); err != nil {
 			size = 0
 		}
diff --git a/weed/topology/topology.go b/weed/topology/topology.go
index 0a4cb4050..6a149bd56 100644
--- a/weed/topology/topology.go
+++ b/weed/topology/topology.go
@@ -50,8 +50,11 @@ type Topology struct {
 	RaftServer           raft.Server
 	RaftServerAccessLock sync.RWMutex
 	HashicorpRaft        *hashicorpRaft.Raft
-	UuidAccessLock       sync.RWMutex
-	UuidMap              map[string][]string
+	barrierLock          sync.Mutex
+	barrierDone          bool
+
+	UuidAccessLock sync.RWMutex
+	UuidMap        map[string][]string
 }
 
 func NewTopology(id string, seq sequence.Sequencer, volumeSizeLimit uint64, pulse int, replicationAsMin bool) *Topology {
@@ -120,6 +123,42 @@ func (t *Topology) IsLeader() bool {
 	return false
 }
 
+func (t *Topology) IsLeaderAndCanRead() bool {
+	if t.RaftServer != nil {
+		return t.IsLeader()
+	} else if t.HashicorpRaft != nil {
+		return t.IsLeader() && t.DoBarrier()
+	} else {
+		return false
+	}
+}
+
+func (t *Topology) DoBarrier() bool {
+	t.barrierLock.Lock()
+	defer t.barrierLock.Unlock()
+	if t.barrierDone {
+		return true
+	}
+
+	glog.V(0).Infof("raft do barrier")
+	barrier := t.HashicorpRaft.Barrier(2 * time.Minute)
+	if err := barrier.Error(); err != nil {
+		glog.Errorf("failed to wait for barrier, error %s", err)
+		return false
+
+	}
+
+	t.barrierDone = true
+	glog.V(0).Infof("raft do barrier success")
+	return true
+}
+
+func (t *Topology) BarrierReset() {
+	t.barrierLock.Lock()
+	defer t.barrierLock.Unlock()
+	t.barrierDone = false
+}
+
 func (t *Topology) Leader() (l pb.ServerAddress, err error) {
 	exponentialBackoff := backoff.NewExponentialBackOff()
 	exponentialBackoff.InitialInterval = 100 * time.Millisecond
@@ -180,6 +219,10 @@ func (t *Topology) Lookup(collection string, vid needle.VolumeId) (dataNodes []*
 }
 
 func (t *Topology) NextVolumeId() (needle.VolumeId, error) {
+	if !t.IsLeaderAndCanRead() {
+		return 0, fmt.Errorf("as leader can not read yet")
+
+	}
 	vid := t.GetMaxVolumeId()
 	next := vid.Next()
 
@@ -208,8 +251,8 @@ func (t *Topology) PickForWrite(requestedCount uint64, option *VolumeGrowOption,
 	if err != nil {
 		return "", 0, nil, shouldGrow, fmt.Errorf("failed to find writable volumes for collection:%s replication:%s ttl:%s error: %v", option.Collection, option.ReplicaPlacement.String(), option.Ttl.String(), err)
 	}
-	if volumeLocationList.Length() == 0 {
-		return "", 0, nil, shouldGrow, fmt.Errorf("no writable volumes available for collection:%s replication:%s ttl:%s", option.Collection, option.ReplicaPlacement.String(), option.Ttl.String())
+	if volumeLocationList == nil || volumeLocationList.Length() == 0 {
+		return "", 0, nil, shouldGrow, fmt.Errorf("%s available for collection:%s replication:%s ttl:%s", noWritableVolumes, option.Collection, option.ReplicaPlacement.String(), option.Ttl.String())
 	}
 	nextFileId := t.Sequence.NextFileId(requestedCount)
 	fileId = needle.NewFileId(vid, nextFileId, rand.Uint32()).String()
@@ -285,6 +328,22 @@ func (t *Topology) UnRegisterVolumeLayout(v storage.VolumeInfo, dn *DataNode) {
 	}
 }
 
+func (t *Topology) DataCenterExists(dcName string) bool {
+	return dcName == "" || t.GetOrCreateDataCenter(dcName) != nil
+}
+
+func (t *Topology) GetDataCenter(dcName string) (dc *DataCenter) {
+	t.RLock()
+	defer t.RUnlock()
+	for _, c := range t.children {
+		dc = c.(*DataCenter)
+		if string(dc.Id()) == dcName {
+			return dc
+		}
+	}
+	return dc
+}
+
 func (t *Topology) GetOrCreateDataCenter(dcName string) *DataCenter {
 	t.Lock()
 	defer t.Unlock()
diff --git a/weed/topology/topology_event_handling.go b/weed/topology/topology_event_handling.go
index 761649ff4..d0ecd089a 100644
--- a/weed/topology/topology_event_handling.go
+++ b/weed/topology/topology_event_handling.go
@@ -90,6 +90,11 @@ func (t *Topology) UnRegisterDataNode(dn *DataNode) {
 		vl.SetVolumeUnavailable(dn, v.Id)
 	}
 
+	// unregister ec shards when volume server disconnected
+	for _, s := range dn.GetEcShards() {
+		t.UnRegisterEcShards(s, dn)
+	}
+
 	negativeUsages := dn.GetDiskUsages().negative()
 	dn.UpAdjustDiskUsageDelta(negativeUsages)
 	dn.DeltaUpdateVolumes([]storage.VolumeInfo{}, dn.GetVolumes())
diff --git a/weed/topology/topology_info.go b/weed/topology/topology_info.go
index 120ae0d42..89f9097f6 100644
--- a/weed/topology/topology_info.go
+++ b/weed/topology/topology_info.go
@@ -42,6 +42,15 @@ func (t *Topology) ToInfo() (info TopologyInfo) {
 	return
 }
 
+func (t *Topology) ListVolumeLyauts() (volumeLayouts []*VolumeLayout) {
+	for _, col := range t.collectionMap.Items() {
+		for _, volumeLayout := range col.(*Collection).storageType2VolumeLayout.Items() {
+			volumeLayouts = append(volumeLayouts, volumeLayout.(*VolumeLayout))
+		}
+	}
+	return volumeLayouts
+}
+
 func (t *Topology) ToVolumeMap() interface{} {
 	m := make(map[string]interface{})
 	m["Max"] = t.diskUsages.GetMaxVolumeCount()
diff --git a/weed/topology/volume_growth.go b/weed/topology/volume_growth.go
index cfc31c8b1..ff516599d 100644
--- a/weed/topology/volume_growth.go
+++ b/weed/topology/volume_growth.go
@@ -27,14 +27,14 @@ This package is created to resolve these replica placement issues:
 
 type VolumeGrowRequest struct {
 	Option *VolumeGrowOption
-	Count  int
+	Count  uint32
 }
 
 type volumeGrowthStrategy struct {
-	Copy1Count     int
-	Copy2Count     int
-	Copy3Count     int
-	CopyOtherCount int
+	Copy1Count     uint32
+	Copy2Count     uint32
+	Copy3Count     uint32
+	CopyOtherCount uint32
 	Threshold      float64
 }
 
@@ -75,7 +75,7 @@ func NewDefaultVolumeGrowth() *VolumeGrowth {
 
 // one replication type may need rp.GetCopyCount() actual volumes
 // given copyCount, how many logical volumes to create
-func (vg *VolumeGrowth) findVolumeCount(copyCount int) (count int) {
+func (vg *VolumeGrowth) findVolumeCount(copyCount int) (count uint32) {
 	switch copyCount {
 	case 1:
 		count = VolumeGrowStrategy.Copy1Count
@@ -89,7 +89,7 @@ func (vg *VolumeGrowth) findVolumeCount(copyCount int) (count int) {
 	return
 }
 
-func (vg *VolumeGrowth) AutomaticGrowByType(option *VolumeGrowOption, grpcDialOption grpc.DialOption, topo *Topology, targetCount int) (result []*master_pb.VolumeLocation, err error) {
+func (vg *VolumeGrowth) AutomaticGrowByType(option *VolumeGrowOption, grpcDialOption grpc.DialOption, topo *Topology, targetCount uint32) (result []*master_pb.VolumeLocation, err error) {
 	if targetCount == 0 {
 		targetCount = vg.findVolumeCount(option.ReplicaPlacement.GetCopyCount())
 	}
@@ -99,11 +99,11 @@ func (vg *VolumeGrowth) AutomaticGrowByType(option *VolumeGrowOption, grpcDialOp
 	}
 	return result, err
 }
-func (vg *VolumeGrowth) GrowByCountAndType(grpcDialOption grpc.DialOption, targetCount int, option *VolumeGrowOption, topo *Topology) (result []*master_pb.VolumeLocation, err error) {
+func (vg *VolumeGrowth) GrowByCountAndType(grpcDialOption grpc.DialOption, targetCount uint32, option *VolumeGrowOption, topo *Topology) (result []*master_pb.VolumeLocation, err error) {
 	vg.accessLock.Lock()
 	defer vg.accessLock.Unlock()
 
-	for i := 0; i < targetCount; i++ {
+	for i := uint32(0); i < targetCount; i++ {
 		if res, e := vg.findAndGrow(grpcDialOption, topo, option); e == nil {
 			result = append(result, res...)
 		} else {
diff --git a/weed/topology/volume_layout.go b/weed/topology/volume_layout.go
index 66f7118c9..e2a360165 100644
--- a/weed/topology/volume_layout.go
+++ b/weed/topology/volume_layout.go
@@ -1,7 +1,6 @@
 package topology
 
 import (
-	"errors"
 	"fmt"
 	"github.com/seaweedfs/seaweedfs/weed/stats"
 	"math/rand"
@@ -28,9 +27,10 @@ const (
 type volumeState string
 
 const (
-	readOnlyState  volumeState = "ReadOnly"
-	oversizedState             = "Oversized"
-	crowdedState               = "Crowded"
+	readOnlyState     volumeState = "ReadOnly"
+	oversizedState                = "Oversized"
+	crowdedState                  = "Crowded"
+	noWritableVolumes             = "No writable volumes"
 )
 
 type stateIndicator func(copyState) bool
@@ -106,7 +106,8 @@ func (v *volumesBinaryState) copyState(list *VolumeLocationList) copyState {
 
 // mapping from volume to its locations, inverted from server to volume
 type VolumeLayout struct {
-	growRequestCount int32
+	growRequest      atomic.Bool
+	lastGrowCount    atomic.Uint32
 	rp               *super_block.ReplicaPlacement
 	ttl              *needle.TTL
 	diskType         types.DiskType
@@ -292,23 +293,15 @@ func (vl *VolumeLayout) PickForWrite(count uint64, option *VolumeGrowOption) (vi
 
 	lenWriters := len(vl.writables)
 	if lenWriters <= 0 {
-		//glog.V(0).Infoln("No more writable volumes!")
-		shouldGrow = true
-		return 0, 0, nil, shouldGrow, errors.New("No more writable volumes!")
+		return 0, 0, nil, true, fmt.Errorf("%s in volume layout", noWritableVolumes)
 	}
 	if option.DataCenter == "" && option.Rack == "" && option.DataNode == "" {
 		vid := vl.writables[rand.Intn(lenWriters)]
 		locationList = vl.vid2location[vid]
-		if locationList != nil && locationList.Length() > 0 {
-			// check whether picked file is close to full
-			dn := locationList.Head()
-			info, _ := dn.GetVolumesById(vid)
-			if float64(info.Size) > float64(vl.volumeSizeLimit)*VolumeGrowStrategy.Threshold {
-				shouldGrow = true
-			}
-			return vid, count, locationList.Copy(), shouldGrow, nil
+		if locationList == nil || len(locationList.list) == 0 {
+			return 0, 0, nil, false, fmt.Errorf("Strangely vid %s is on no machine!", vid.String())
 		}
-		return 0, 0, nil, shouldGrow, errors.New("Strangely vid " + vid.String() + " is on no machine!")
+		return vid, count, locationList.Copy(), false, nil
 	}
 
 	// clone vl.writables
@@ -331,34 +324,38 @@ func (vl *VolumeLayout) PickForWrite(count uint64, option *VolumeGrowOption) (vi
 			if option.DataNode != "" && dn.Id() != NodeId(option.DataNode) {
 				continue
 			}
-			vid, locationList = writableVolumeId, volumeLocationList.Copy()
-			// check whether picked file is close to full
-			info, _ := dn.GetVolumesById(writableVolumeId)
-			if float64(info.Size) > float64(vl.volumeSizeLimit)*VolumeGrowStrategy.Threshold {
-				shouldGrow = true
-			}
-			counter = count
+			vid, locationList, counter = writableVolumeId, volumeLocationList.Copy(), count
 			return
 		}
 	}
-	return vid, count, locationList, true, fmt.Errorf("No writable volumes in DataCenter:%v Rack:%v DataNode:%v", option.DataCenter, option.Rack, option.DataNode)
+	return vid, count, locationList, true, fmt.Errorf("%s in DataCenter:%v Rack:%v DataNode:%v", noWritableVolumes, option.DataCenter, option.Rack, option.DataNode)
 }
 
 func (vl *VolumeLayout) HasGrowRequest() bool {
-	return atomic.LoadInt32(&vl.growRequestCount) > 0
+	return vl.growRequest.Load()
 }
 func (vl *VolumeLayout) AddGrowRequest() {
-	atomic.AddInt32(&vl.growRequestCount, 1)
+	vl.growRequest.Store(true)
 }
 func (vl *VolumeLayout) DoneGrowRequest() {
-	atomic.AddInt32(&vl.growRequestCount, -1)
+	vl.growRequest.Store(false)
+}
+
+func (vl *VolumeLayout) SetLastGrowCount(count uint32) {
+	if vl.lastGrowCount.Load() != count {
+		vl.lastGrowCount.Store(count)
+	}
+}
+
+func (vl *VolumeLayout) GetLastGrowCount() uint32 {
+	return vl.lastGrowCount.Load()
 }
 
 func (vl *VolumeLayout) ShouldGrowVolumes(option *VolumeGrowOption) bool {
 	total, active, crowded := vl.GetActiveVolumeCount(option)
-	stats.MasterVolumeLayout.WithLabelValues(option.Collection, option.ReplicaPlacement.String(), "total").Set(float64(total))
-	stats.MasterVolumeLayout.WithLabelValues(option.Collection, option.ReplicaPlacement.String(), "active").Set(float64(active))
-	stats.MasterVolumeLayout.WithLabelValues(option.Collection, option.ReplicaPlacement.String(), "crowded").Set(float64(crowded))
+	stats.MasterVolumeLayout.WithLabelValues(option.Collection, option.DataCenter, "total").Set(float64(total))
+	stats.MasterVolumeLayout.WithLabelValues(option.Collection, option.DataCenter, "active").Set(float64(active))
+	stats.MasterVolumeLayout.WithLabelValues(option.Collection, option.DataCenter, "crowded").Set(float64(crowded))
 	//glog.V(0).Infof("active volume: %d, high usage volume: %d\n", active, high)
 	return active <= crowded
 }
@@ -539,6 +536,14 @@ func (vl *VolumeLayout) ToInfo() (info VolumeLayoutInfo) {
 	return
 }
 
+func (vl *VolumeLayout) ToGrowOption() (option *VolumeGrowOption) {
+	option = &VolumeGrowOption{}
+	option.ReplicaPlacement = vl.rp
+	option.Ttl = vl.ttl
+	option.DiskType = vl.diskType
+	return
+}
+
 func (vl *VolumeLayout) Stats() *VolumeLayoutStats {
 	vl.accessLock.RLock()
 	defer vl.accessLock.RUnlock()
diff --git a/weed/util/bytes.go b/weed/util/bytes.go
index 26da91033..482dc3a48 100644
--- a/weed/util/bytes.go
+++ b/weed/util/bytes.go
@@ -148,6 +148,12 @@ func RandomInt32() int32 {
 	return int32(BytesToUint32(buf))
 }
 
+func RandomUint64() int32 {
+	buf := make([]byte, 8)
+	rand.Read(buf)
+	return int32(BytesToUint64(buf))
+}
+
 func RandomBytes(byteCount int) []byte {
 	buf := make([]byte, byteCount)
 	rand.Read(buf)
diff --git a/weed/util/config.go b/weed/util/config.go
index a242742fc..7ac765ff5 100644
--- a/weed/util/config.go
+++ b/weed/util/config.go
@@ -11,6 +11,7 @@ import (
 
 var (
 	ConfigurationFileDirectory DirectoryValueType
+	loadSecurityConfigOnce sync.Once
 )
 
 type DirectoryValueType string
@@ -31,6 +32,12 @@ type Configuration interface {
 	SetDefault(key string, value interface{})
 }
 
+func LoadSecurityConfiguration(){
+	loadSecurityConfigOnce.Do(func() {
+		LoadConfiguration("security", false)
+	})
+}
+
 func LoadConfiguration(configFileName string, required bool) (loaded bool) {
 
 	// find a filer store
diff --git a/weed/util/constants.go b/weed/util/constants.go
index 09f813e5b..7911d03f6 100644
--- a/weed/util/constants.go
+++ b/weed/util/constants.go
@@ -7,7 +7,9 @@ import (
 const HttpStatusCancelled = 499
 
 var (
-	VERSION_NUMBER = fmt.Sprintf("%.02f", 3.68)
+	MAJOR_VERSION  = int32(3)
+	MINOR_VERSION  = int32(71)
+	VERSION_NUMBER = fmt.Sprintf("%d.%02d", MAJOR_VERSION, MINOR_VERSION)
 	VERSION        = sizeLimit + " " + VERSION_NUMBER
 	COMMIT         = ""
 )
diff --git a/weed/util/http/client/http_client.go b/weed/util/http/client/http_client.go
new file mode 100644
index 000000000..d1d2f5c56
--- /dev/null
+++ b/weed/util/http/client/http_client.go
@@ -0,0 +1,201 @@
+package client
+
+import (
+	"crypto/tls"
+	"crypto/x509"
+	"fmt"
+	util "github.com/seaweedfs/seaweedfs/weed/util"
+	"github.com/spf13/viper"
+	"io"
+	"net/http"
+	"net/url"
+	"os"
+	"strings"
+	"sync"
+)
+
+var (
+	loadSecurityConfigOnce sync.Once
+)
+
+type HTTPClient struct {
+	Client            *http.Client
+	Transport         *http.Transport
+	expectHttpsScheme bool
+}
+
+func (httpClient *HTTPClient) Do(req *http.Request) (*http.Response, error) {
+	req.URL.Scheme = httpClient.GetHttpScheme()
+	return httpClient.Client.Do(req)
+}
+
+func (httpClient *HTTPClient) Get(url string) (resp *http.Response, err error) {
+	url, err = httpClient.NormalizeHttpScheme(url)
+	if err != nil {
+		return nil, err
+	}
+	return httpClient.Client.Get(url)
+}
+
+func (httpClient *HTTPClient) Post(url, contentType string, body io.Reader) (resp *http.Response, err error) {
+	url, err = httpClient.NormalizeHttpScheme(url)
+	if err != nil {
+		return nil, err
+	}
+	return httpClient.Client.Post(url, contentType, body)
+}
+
+func (httpClient *HTTPClient) PostForm(url string, data url.Values) (resp *http.Response, err error) {
+	url, err = httpClient.NormalizeHttpScheme(url)
+	if err != nil {
+		return nil, err
+	}
+	return httpClient.Client.PostForm(url, data)
+}
+
+func (httpClient *HTTPClient) Head(url string) (resp *http.Response, err error) {
+	url, err = httpClient.NormalizeHttpScheme(url)
+	if err != nil {
+		return nil, err
+	}
+	return httpClient.Client.Head(url)
+}
+func (httpClient *HTTPClient) CloseIdleConnections() {
+	httpClient.Client.CloseIdleConnections()
+}
+
+func (httpClient *HTTPClient) GetClientTransport() *http.Transport {
+	return httpClient.Transport
+}
+
+func (httpClient *HTTPClient) GetHttpScheme() string {
+	if httpClient.expectHttpsScheme {
+		return "https"
+	}
+	return "http"
+}
+
+func (httpClient *HTTPClient) NormalizeHttpScheme(rawURL string) (string, error) {
+	expectedScheme := httpClient.GetHttpScheme()
+
+	if !(strings.HasPrefix(rawURL, "http://") || strings.HasPrefix(rawURL, "https://")) {
+		return expectedScheme + "://" + rawURL, nil
+	}
+
+	parsedURL, err := url.Parse(rawURL)
+	if err != nil {
+		return "", err
+	}
+
+	if expectedScheme != parsedURL.Scheme {
+		parsedURL.Scheme = expectedScheme
+	}
+	return parsedURL.String(), nil
+}
+
+func NewHttpClient(clientName ClientName, opts ...HttpClientOpt) (*HTTPClient, error) {
+	httpClient := HTTPClient{}
+	httpClient.expectHttpsScheme = checkIsHttpsClientEnabled(clientName)
+	var tlsConfig *tls.Config = nil
+
+	if httpClient.expectHttpsScheme {
+		clientCertPair, err := getClientCertPair(clientName)
+		if err != nil {
+			return nil, err
+		}
+
+		clientCaCert, clientCaCertName, err := getClientCaCert(clientName)
+		if err != nil {
+			return nil, err
+		}
+
+		if clientCertPair != nil || len(clientCaCert) != 0 {
+			caCertPool, err := createHTTPClientCertPool(clientCaCert, clientCaCertName)
+			if err != nil {
+				return nil, err
+			}
+
+			tlsConfig = &tls.Config{
+				Certificates:       []tls.Certificate{},
+				RootCAs:            caCertPool,
+				InsecureSkipVerify: false,
+			}
+
+			if clientCertPair != nil {
+				tlsConfig.Certificates = append(tlsConfig.Certificates, *clientCertPair)
+			}
+		}
+	}
+
+	httpClient.Transport = &http.Transport{
+		MaxIdleConns:        1024,
+		MaxIdleConnsPerHost: 1024,
+		TLSClientConfig:     tlsConfig,
+	}
+	httpClient.Client = &http.Client{
+		Transport: httpClient.Transport,
+	}
+
+	for _, opt := range opts {
+		opt(&httpClient)
+	}
+	return &httpClient, nil
+}
+
+func getStringOptionFromSecurityConfiguration(clientName ClientName, stringOptionName string) string {
+	util.LoadSecurityConfiguration()
+	return viper.GetString(fmt.Sprintf("https.%s.%s", clientName.LowerCaseString(), stringOptionName))
+}
+
+func getBoolOptionFromSecurityConfiguration(clientName ClientName, boolOptionName string) bool {
+	util.LoadSecurityConfiguration()
+	return viper.GetBool(fmt.Sprintf("https.%s.%s", clientName.LowerCaseString(), boolOptionName))
+}
+
+func checkIsHttpsClientEnabled(clientName ClientName) bool {
+	return getBoolOptionFromSecurityConfiguration(clientName, "enabled")
+}
+
+func getFileContentFromSecurityConfiguration(clientName ClientName, fileType string) ([]byte, string, error) {
+	if fileName := getStringOptionFromSecurityConfiguration(clientName, fileType); fileName != "" {
+		fileContent, err := os.ReadFile(fileName)
+		if err != nil {
+			return nil, fileName, err
+		}
+		return fileContent, fileName, err
+	}
+	return nil, "", nil
+}
+
+func getClientCertPair(clientName ClientName) (*tls.Certificate, error) {
+	certFileName := getStringOptionFromSecurityConfiguration(clientName, "cert")
+	keyFileName := getStringOptionFromSecurityConfiguration(clientName, "key")
+	if certFileName == "" && keyFileName == "" {
+		return nil, nil
+	}
+	if certFileName != "" && keyFileName != "" {
+		clientCert, err := tls.LoadX509KeyPair(certFileName, keyFileName)
+		if err != nil {
+			return nil, fmt.Errorf("error loading client certificate and key: %s", err)
+		}
+		return &clientCert, nil
+	}
+	return nil, fmt.Errorf("error loading key pair: key `%s` and certificate `%s`", keyFileName, certFileName)
+}
+
+func getClientCaCert(clientName ClientName) ([]byte, string, error) {
+	return getFileContentFromSecurityConfiguration(clientName, "ca")
+}
+
+func createHTTPClientCertPool(certContent []byte, fileName string) (*x509.CertPool, error) {
+	certPool := x509.NewCertPool()
+	if len(certContent) == 0 {
+		return certPool, nil
+	}
+
+	ok := certPool.AppendCertsFromPEM(certContent)
+	if !ok {
+		return nil, fmt.Errorf("error processing certificate in %s", fileName)
+	}
+	return certPool, nil
+}
diff --git a/weed/util/http/client/http_client_interface.go b/weed/util/http/client/http_client_interface.go
new file mode 100644
index 000000000..7a2d43360
--- /dev/null
+++ b/weed/util/http/client/http_client_interface.go
@@ -0,0 +1,16 @@
+package client
+
+import (
+	"io"
+	"net/http"
+	"net/url"
+)
+
+type HTTPClientInterface interface {
+	Do(req *http.Request) (*http.Response, error)
+	Get(url string) (resp *http.Response, err error)
+	Post(url, contentType string, body io.Reader) (resp *http.Response, err error)
+	PostForm(url string, data url.Values) (resp *http.Response, err error)
+	Head(url string) (resp *http.Response, err error)
+	CloseIdleConnections()
+}
diff --git a/weed/util/http/client/http_client_name.go b/weed/util/http/client/http_client_name.go
new file mode 100644
index 000000000..aedaebbc6
--- /dev/null
+++ b/weed/util/http/client/http_client_name.go
@@ -0,0 +1,14 @@
+package client
+
+import "strings"
+
+type ClientName int
+
+//go:generate stringer -type=ClientName -output=http_client_name_string.go
+const (
+	Client ClientName = iota
+)
+
+func (name *ClientName) LowerCaseString() string {
+	return strings.ToLower(name.String())
+}
diff --git a/weed/util/http/client/http_client_name_string.go b/weed/util/http/client/http_client_name_string.go
new file mode 100644
index 000000000..652fcdaac
--- /dev/null
+++ b/weed/util/http/client/http_client_name_string.go
@@ -0,0 +1,23 @@
+// Code generated by "stringer -type=ClientName -output=http_client_name_string.go"; DO NOT EDIT.
+
+package client
+
+import "strconv"
+
+func _() {
+	// An "invalid array index" compiler error signifies that the constant values have changed.
+	// Re-run the stringer command to generate them again.
+	var x [1]struct{}
+	_ = x[Client-0]
+}
+
+const _ClientName_name = "Client"
+
+var _ClientName_index = [...]uint8{0, 6}
+
+func (i ClientName) String() string {
+	if i < 0 || i >= ClientName(len(_ClientName_index)-1) {
+		return "ClientName(" + strconv.FormatInt(int64(i), 10) + ")"
+	}
+	return _ClientName_name[_ClientName_index[i]:_ClientName_index[i+1]]
+}
diff --git a/weed/util/http/client/http_client_opt.go b/weed/util/http/client/http_client_opt.go
new file mode 100644
index 000000000..1ff9d533d
--- /dev/null
+++ b/weed/util/http/client/http_client_opt.go
@@ -0,0 +1,18 @@
+package client
+
+import (
+	"net"
+	"time"
+)
+
+type HttpClientOpt = func(clientCfg *HTTPClient)
+
+func AddDialContext(httpClient *HTTPClient) {
+	dialContext := (&net.Dialer{
+		Timeout:   10 * time.Second,
+		KeepAlive: 10 * time.Second,
+	}).DialContext
+
+	httpClient.Transport.DialContext = dialContext
+	httpClient.Client.Transport = httpClient.Transport
+}
diff --git a/weed/util/http/http_global_client_init.go b/weed/util/http/http_global_client_init.go
new file mode 100644
index 000000000..0dcb05cfd
--- /dev/null
+++ b/weed/util/http/http_global_client_init.go
@@ -0,0 +1,27 @@
+package http
+
+import (
+	"github.com/seaweedfs/seaweedfs/weed/glog"
+	util_http_client "github.com/seaweedfs/seaweedfs/weed/util/http/client"
+)
+
+var (
+	globalHttpClient *util_http_client.HTTPClient
+)
+
+func NewGlobalHttpClient(opt ...util_http_client.HttpClientOpt) (*util_http_client.HTTPClient, error) {
+	return util_http_client.NewHttpClient(util_http_client.Client, opt...)
+}
+
+func GetGlobalHttpClient() *util_http_client.HTTPClient {
+	return globalHttpClient
+}
+
+func InitGlobalHttpClient() {
+	var err error
+
+	globalHttpClient, err = NewGlobalHttpClient()
+	if err != nil {
+		glog.Fatalf("error init global http client: %v", err)
+	}
+}
diff --git a/weed/util/http_util.go b/weed/util/http/http_global_client_util.go
similarity index 88%
rename from weed/util/http_util.go
rename to weed/util/http/http_global_client_util.go
index 6f6a17008..c3931a790 100644
--- a/weed/util/http_util.go
+++ b/weed/util/http/http_global_client_util.go
@@ -1,4 +1,4 @@
-package util
+package http
 
 import (
 	"compress/gzip"
@@ -6,6 +6,7 @@ import (
 	"errors"
 	"fmt"
 	"github.com/seaweedfs/seaweedfs/weed/util/mem"
+	"github.com/seaweedfs/seaweedfs/weed/util"
 	"io"
 	"net/http"
 	"net/url"
@@ -15,23 +16,8 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 )
 
-var (
-	client    *http.Client
-	Transport *http.Transport
-)
-
-func init() {
-	Transport = &http.Transport{
-		MaxIdleConns:        1024,
-		MaxIdleConnsPerHost: 1024,
-	}
-	client = &http.Client{
-		Transport: Transport,
-	}
-}
-
 func Post(url string, values url.Values) ([]byte, error) {
-	r, err := client.PostForm(url, values)
+	r, err := GetGlobalHttpClient().PostForm(url, values)
 	if err != nil {
 		return nil, err
 	}
@@ -57,14 +43,14 @@ func Get(url string) ([]byte, bool, error) {
 }
 
 func GetAuthenticated(url, jwt string) ([]byte, bool, error) {
-	request, err := http.NewRequest("GET", url, nil)
+	request, err := http.NewRequest(http.MethodGet, url, nil)
 	if err != nil {
 		return nil, true, err
 	}
 	maybeAddAuth(request, jwt)
 	request.Header.Add("Accept-Encoding", "gzip")
 
-	response, err := client.Do(request)
+	response, err := GetGlobalHttpClient().Do(request)
 	if err != nil {
 		return nil, true, err
 	}
@@ -94,7 +80,7 @@ func GetAuthenticated(url, jwt string) ([]byte, bool, error) {
 }
 
 func Head(url string) (http.Header, error) {
-	r, err := client.Head(url)
+	r, err := GetGlobalHttpClient().Head(url)
 	if err != nil {
 		return nil, err
 	}
@@ -112,12 +98,12 @@ func maybeAddAuth(req *http.Request, jwt string) {
 }
 
 func Delete(url string, jwt string) error {
-	req, err := http.NewRequest("DELETE", url, nil)
+	req, err := http.NewRequest(http.MethodDelete, url, nil)
 	maybeAddAuth(req, jwt)
 	if err != nil {
 		return err
 	}
-	resp, e := client.Do(req)
+	resp, e := GetGlobalHttpClient().Do(req)
 	if e != nil {
 		return e
 	}
@@ -140,12 +126,12 @@ func Delete(url string, jwt string) error {
 }
 
 func DeleteProxied(url string, jwt string) (body []byte, httpStatus int, err error) {
-	req, err := http.NewRequest("DELETE", url, nil)
+	req, err := http.NewRequest(http.MethodDelete, url, nil)
 	maybeAddAuth(req, jwt)
 	if err != nil {
 		return
 	}
-	resp, err := client.Do(req)
+	resp, err := GetGlobalHttpClient().Do(req)
 	if err != nil {
 		return
 	}
@@ -159,7 +145,7 @@ func DeleteProxied(url string, jwt string) (body []byte, httpStatus int, err err
 }
 
 func GetBufferStream(url string, values url.Values, allocatedBytes []byte, eachBuffer func([]byte)) error {
-	r, err := client.PostForm(url, values)
+	r, err := GetGlobalHttpClient().PostForm(url, values)
 	if err != nil {
 		return err
 	}
@@ -182,7 +168,7 @@ func GetBufferStream(url string, values url.Values, allocatedBytes []byte, eachB
 }
 
 func GetUrlStream(url string, values url.Values, readFn func(io.Reader) error) error {
-	r, err := client.PostForm(url, values)
+	r, err := GetGlobalHttpClient().PostForm(url, values)
 	if err != nil {
 		return err
 	}
@@ -194,14 +180,14 @@ func GetUrlStream(url string, values url.Values, readFn func(io.Reader) error) e
 }
 
 func DownloadFile(fileUrl string, jwt string) (filename string, header http.Header, resp *http.Response, e error) {
-	req, err := http.NewRequest("GET", fileUrl, nil)
+	req, err := http.NewRequest(http.MethodGet, fileUrl, nil)
 	if err != nil {
 		return "", nil, nil, err
 	}
 
 	maybeAddAuth(req, jwt)
 
-	response, err := client.Do(req)
+	response, err := GetGlobalHttpClient().Do(req)
 	if err != nil {
 		return "", nil, nil, err
 	}
@@ -219,14 +205,11 @@ func DownloadFile(fileUrl string, jwt string) (filename string, header http.Head
 }
 
 func Do(req *http.Request) (resp *http.Response, err error) {
-	return client.Do(req)
+	return GetGlobalHttpClient().Do(req)
 }
 
-func NormalizeUrl(url string) string {
-	if strings.HasPrefix(url, "http://") || strings.HasPrefix(url, "https://") {
-		return url
-	}
-	return "http://" + url
+func NormalizeUrl(url string) (string, error) {
+	return GetGlobalHttpClient().NormalizeHttpScheme(url)
 }
 
 func ReadUrl(fileUrl string, cipherKey []byte, isContentCompressed bool, isFullChunk bool, offset int64, size int, buf []byte) (int64, error) {
@@ -239,7 +222,7 @@ func ReadUrl(fileUrl string, cipherKey []byte, isContentCompressed bool, isFullC
 		return int64(n), err
 	}
 
-	req, err := http.NewRequest("GET", fileUrl, nil)
+	req, err := http.NewRequest(http.MethodGet, fileUrl, nil)
 	if err != nil {
 		return 0, err
 	}
@@ -249,7 +232,7 @@ func ReadUrl(fileUrl string, cipherKey []byte, isContentCompressed bool, isFullC
 		req.Header.Set("Accept-Encoding", "gzip")
 	}
 
-	r, err := client.Do(req)
+	r, err := GetGlobalHttpClient().Do(req)
 	if err != nil {
 		return 0, err
 	}
@@ -310,7 +293,7 @@ func ReadUrlAsStreamAuthenticated(fileUrl, jwt string, cipherKey []byte, isConte
 		return readEncryptedUrl(fileUrl, jwt, cipherKey, isContentGzipped, isFullChunk, offset, size, fn)
 	}
 
-	req, err := http.NewRequest("GET", fileUrl, nil)
+	req, err := http.NewRequest(http.MethodGet, fileUrl, nil)
 	maybeAddAuth(req, jwt)
 	if err != nil {
 		return false, err
@@ -322,7 +305,7 @@ func ReadUrlAsStreamAuthenticated(fileUrl, jwt string, cipherKey []byte, isConte
 		req.Header.Add("Range", fmt.Sprintf("bytes=%d-%d", offset, offset+int64(size)-1))
 	}
 
-	r, err := client.Do(req)
+	r, err := GetGlobalHttpClient().Do(req)
 	if err != nil {
 		return true, err
 	}
@@ -368,12 +351,12 @@ func readEncryptedUrl(fileUrl, jwt string, cipherKey []byte, isContentCompressed
 	if err != nil {
 		return retryable, fmt.Errorf("fetch %s: %v", fileUrl, err)
 	}
-	decryptedData, err := Decrypt(encryptedData, CipherKey(cipherKey))
+	decryptedData, err := util.Decrypt(encryptedData, util.CipherKey(cipherKey))
 	if err != nil {
 		return false, fmt.Errorf("decrypt %s: %v", fileUrl, err)
 	}
 	if isContentCompressed {
-		decryptedData, err = DecompressData(decryptedData)
+		decryptedData, err = util.DecompressData(decryptedData)
 		if err != nil {
 			glog.V(0).Infof("unzip decrypt %s: %v", fileUrl, err)
 		}
@@ -391,7 +374,7 @@ func readEncryptedUrl(fileUrl, jwt string, cipherKey []byte, isContentCompressed
 
 func ReadUrlAsReaderCloser(fileUrl string, jwt string, rangeHeader string) (*http.Response, io.ReadCloser, error) {
 
-	req, err := http.NewRequest("GET", fileUrl, nil)
+	req, err := http.NewRequest(http.MethodGet, fileUrl, nil)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -403,7 +386,7 @@ func ReadUrlAsReaderCloser(fileUrl string, jwt string, rangeHeader string) (*htt
 
 	maybeAddAuth(req, jwt)
 
-	r, err := client.Do(req)
+	r, err := GetGlobalHttpClient().Do(req)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -463,7 +446,7 @@ func RetriedFetchChunkData(buffer []byte, urlStrings []string, cipherKey []byte,
 
 	var shouldRetry bool
 
-	for waitTime := time.Second; waitTime < RetryWaitTime; waitTime += waitTime / 2 {
+	for waitTime := time.Second; waitTime < util.RetryWaitTime; waitTime += waitTime / 2 {
 		for _, urlString := range urlStrings {
 			n = 0
 			if strings.Contains(urlString, "%") {
@@ -494,4 +477,4 @@ func RetriedFetchChunkData(buffer []byte, urlStrings []string, cipherKey []byte,
 
 	return n, err
 
-}
+}
\ No newline at end of file
diff --git a/weed/util/queue.go b/weed/util/queue.go
index 1e6211e0d..69efc078f 100644
--- a/weed/util/queue.go
+++ b/weed/util/queue.go
@@ -1,35 +1,37 @@
 package util
 
-import "sync"
+import (
+	"sync"
+)
 
-type node struct {
-	data interface{}
-	next *node
+type node[T any]struct {
+	data T
+	next *node[T]
 }
 
-type Queue struct {
-	head  *node
-	tail  *node
+type Queue[T any] struct {
+	head  *node[T]
+	tail  *node[T]
 	count int
 	sync.RWMutex
 }
 
-func NewQueue() *Queue {
-	q := &Queue{}
+func NewQueue[T any]() *Queue[T] {
+	q := &Queue[T]{}
 	return q
 }
 
-func (q *Queue) Len() int {
+func (q *Queue[T]) Len() int {
 	q.RLock()
 	defer q.RUnlock()
 	return q.count
 }
 
-func (q *Queue) Enqueue(item interface{}) {
+func (q *Queue[T]) Enqueue(item T) {
 	q.Lock()
 	defer q.Unlock()
 
-	n := &node{data: item}
+	n := &node[T]{data: item}
 
 	if q.tail == nil {
 		q.tail = n
@@ -41,12 +43,12 @@ func (q *Queue) Enqueue(item interface{}) {
 	q.count++
 }
 
-func (q *Queue) Dequeue() interface{} {
+func (q *Queue[T]) Dequeue() (result T) {
 	q.Lock()
 	defer q.Unlock()
 
 	if q.head == nil {
-		return nil
+		return
 	}
 
 	n := q.head
@@ -59,3 +61,14 @@ func (q *Queue) Dequeue() interface{} {
 
 	return n.data
 }
+
+func (q *Queue[T]) Peek() (result T) {
+	q.RLock()
+	defer q.RUnlock()
+
+	if q.head == nil {
+		return
+	}
+
+	return q.head.data
+}
diff --git a/weed/util/queue_test.go b/weed/util/queue_test.go
new file mode 100644
index 000000000..a79552893
--- /dev/null
+++ b/weed/util/queue_test.go
@@ -0,0 +1,22 @@
+package util
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestNewQueue(t *testing.T) {
+
+	q := NewQueue[int]()
+
+	for i := 0; i < 10; i++ {
+		q.Enqueue(i)
+	}
+
+	assert.Equal(t, q.Len(), 10)
+
+	for i := 0; i < 10; i++ {
+		assert.Equal(t, q.Dequeue(), i)
+	}
+
+}
diff --git a/weed/weed.go b/weed/weed.go
index a821cd72f..5139dd39c 100644
--- a/weed/weed.go
+++ b/weed/weed.go
@@ -20,6 +20,7 @@ import (
 	"github.com/getsentry/sentry-go"
 	"github.com/seaweedfs/seaweedfs/weed/command"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
+	util_http "github.com/seaweedfs/seaweedfs/weed/util/http"
 )
 
 var IsDebug *bool
@@ -86,6 +87,7 @@ func main() {
 		return
 	}
 
+	util_http.InitGlobalHttpClient()
 	for _, cmd := range commands {
 		if cmd.Name() == args[0] && cmd.Run != nil {
 			cmd.Flag.Usage = func() { cmd.Usage() }