diff --git a/weed/pb/filer_pb/filer.pb.go b/weed/pb/filer_pb/filer.pb.go
index beefbca10..95f400a92 100644
--- a/weed/pb/filer_pb/filer.pb.go
+++ b/weed/pb/filer_pb/filer.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.26.0
-// 	protoc        v3.17.3
+// 	protoc-gen-go v1.28.0
+// 	protoc        v3.21.4
 // source: filer.proto
 
 package filer_pb
diff --git a/weed/pb/filer_pb/filer_grpc.pb.go b/weed/pb/filer_pb/filer_grpc.pb.go
index 270e13e6f..ea918ab2a 100644
--- a/weed/pb/filer_pb/filer_grpc.pb.go
+++ b/weed/pb/filer_pb/filer_grpc.pb.go
@@ -11,7 +11,6 @@ import (
 
 // This is a compile-time assertion to ensure that this generated file
 // is compatible with the grpc package it is being compiled against.
-// Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7
 
 // SeaweedFilerClient is the client API for SeaweedFiler service.
diff --git a/weed/pb/iam_pb/iam.pb.go b/weed/pb/iam_pb/iam.pb.go
index 9f0c2184d..775fcc61c 100644
--- a/weed/pb/iam_pb/iam.pb.go
+++ b/weed/pb/iam_pb/iam.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.26.0
-// 	protoc        v3.17.3
+// 	protoc-gen-go v1.28.0
+// 	protoc        v3.21.4
 // source: iam.proto
 
 package iam_pb
diff --git a/weed/pb/iam_pb/iam_grpc.pb.go b/weed/pb/iam_pb/iam_grpc.pb.go
index b9438a295..3688cf423 100644
--- a/weed/pb/iam_pb/iam_grpc.pb.go
+++ b/weed/pb/iam_pb/iam_grpc.pb.go
@@ -8,7 +8,6 @@ import (
 
 // This is a compile-time assertion to ensure that this generated file
 // is compatible with the grpc package it is being compiled against.
-// Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7
 
 // SeaweedIdentityAccessManagementClient is the client API for SeaweedIdentityAccessManagement service.
diff --git a/weed/pb/master_pb/master.pb.go b/weed/pb/master_pb/master.pb.go
index d865bb1d7..683296fff 100644
--- a/weed/pb/master_pb/master.pb.go
+++ b/weed/pb/master_pb/master.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.26.0
-// 	protoc        v3.17.3
+// 	protoc-gen-go v1.28.0
+// 	protoc        v3.21.4
 // source: master.proto
 
 package master_pb
diff --git a/weed/pb/master_pb/master_grpc.pb.go b/weed/pb/master_pb/master_grpc.pb.go
index f8b11e8c5..ac6ff545d 100644
--- a/weed/pb/master_pb/master_grpc.pb.go
+++ b/weed/pb/master_pb/master_grpc.pb.go
@@ -11,7 +11,6 @@ import (
 
 // This is a compile-time assertion to ensure that this generated file
 // is compatible with the grpc package it is being compiled against.
-// Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7
 
 // SeaweedClient is the client API for Seaweed service.
diff --git a/weed/pb/mount_pb/mount.pb.go b/weed/pb/mount_pb/mount.pb.go
index 55684e782..826aa4fdd 100644
--- a/weed/pb/mount_pb/mount.pb.go
+++ b/weed/pb/mount_pb/mount.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.26.0
-// 	protoc        v3.17.3
+// 	protoc-gen-go v1.28.0
+// 	protoc        v3.21.4
 // source: mount.proto
 
 package mount_pb
diff --git a/weed/pb/mount_pb/mount_grpc.pb.go b/weed/pb/mount_pb/mount_grpc.pb.go
index 41737aa21..0dba35218 100644
--- a/weed/pb/mount_pb/mount_grpc.pb.go
+++ b/weed/pb/mount_pb/mount_grpc.pb.go
@@ -11,7 +11,6 @@ import (
 
 // This is a compile-time assertion to ensure that this generated file
 // is compatible with the grpc package it is being compiled against.
-// Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7
 
 // SeaweedMountClient is the client API for SeaweedMount service.
diff --git a/weed/pb/mq_pb/mq.pb.go b/weed/pb/mq_pb/mq.pb.go
index 1f837d7bf..a9a3cb890 100644
--- a/weed/pb/mq_pb/mq.pb.go
+++ b/weed/pb/mq_pb/mq.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.26.0
-// 	protoc        v3.17.3
+// 	protoc-gen-go v1.28.0
+// 	protoc        v3.21.4
 // source: mq.proto
 
 package mq_pb
diff --git a/weed/pb/mq_pb/mq_grpc.pb.go b/weed/pb/mq_pb/mq_grpc.pb.go
index 55b2b4fc2..4793f060f 100644
--- a/weed/pb/mq_pb/mq_grpc.pb.go
+++ b/weed/pb/mq_pb/mq_grpc.pb.go
@@ -11,7 +11,6 @@ import (
 
 // This is a compile-time assertion to ensure that this generated file
 // is compatible with the grpc package it is being compiled against.
-// Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7
 
 // SeaweedMessagingClient is the client API for SeaweedMessaging service.
diff --git a/weed/pb/remote_pb/remote.pb.go b/weed/pb/remote_pb/remote.pb.go
index fbe77a4ac..33f295657 100644
--- a/weed/pb/remote_pb/remote.pb.go
+++ b/weed/pb/remote_pb/remote.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.26.0
-// 	protoc        v3.17.3
+// 	protoc-gen-go v1.28.0
+// 	protoc        v3.21.4
 // source: remote.proto
 
 package remote_pb
diff --git a/weed/pb/s3_pb/s3.pb.go b/weed/pb/s3_pb/s3.pb.go
index 640d05853..13d996adb 100644
--- a/weed/pb/s3_pb/s3.pb.go
+++ b/weed/pb/s3_pb/s3.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.26.0
-// 	protoc        v3.17.3
+// 	protoc-gen-go v1.28.0
+// 	protoc        v3.21.4
 // source: s3.proto
 
 package s3_pb
diff --git a/weed/pb/s3_pb/s3_grpc.pb.go b/weed/pb/s3_pb/s3_grpc.pb.go
index 1bc956be6..7808026e0 100644
--- a/weed/pb/s3_pb/s3_grpc.pb.go
+++ b/weed/pb/s3_pb/s3_grpc.pb.go
@@ -11,7 +11,6 @@ import (
 
 // This is a compile-time assertion to ensure that this generated file
 // is compatible with the grpc package it is being compiled against.
-// Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7
 
 // SeaweedS3Client is the client API for SeaweedS3 service.
diff --git a/weed/pb/volume_server.proto b/weed/pb/volume_server.proto
index bd741d134..7953e772d 100644
--- a/weed/pb/volume_server.proto
+++ b/weed/pb/volume_server.proto
@@ -147,6 +147,7 @@ message VacuumVolumeCompactRequest {
 }
 message VacuumVolumeCompactResponse {
     int64 processed_bytes = 1;
+    float load_avg_1m = 2;
 }
 
 message VacuumVolumeCommitRequest {
diff --git a/weed/pb/volume_server_pb/volume_server.pb.go b/weed/pb/volume_server_pb/volume_server.pb.go
index 2bfe69453..1107f71d9 100644
--- a/weed/pb/volume_server_pb/volume_server.pb.go
+++ b/weed/pb/volume_server_pb/volume_server.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.26.0
-// 	protoc        v3.17.3
+// 	protoc-gen-go v1.28.0
+// 	protoc        v3.21.4
 // source: volume_server.proto
 
 package volume_server_pb
@@ -394,7 +394,8 @@ type VacuumVolumeCompactResponse struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	ProcessedBytes int64 `protobuf:"varint,1,opt,name=processed_bytes,json=processedBytes,proto3" json:"processed_bytes,omitempty"`
+	ProcessedBytes int64   `protobuf:"varint,1,opt,name=processed_bytes,json=processedBytes,proto3" json:"processed_bytes,omitempty"`
+	LoadAvg_1M     float32 `protobuf:"fixed32,2,opt,name=load_avg_1m,json=loadAvg1m,proto3" json:"load_avg_1m,omitempty"`
 }
 
 func (x *VacuumVolumeCompactResponse) Reset() {
@@ -436,6 +437,13 @@ func (x *VacuumVolumeCompactResponse) GetProcessedBytes() int64 {
 	return 0
 }
 
+func (x *VacuumVolumeCompactResponse) GetLoadAvg_1M() float32 {
+	if x != nil {
+		return x.LoadAvg_1M
+	}
+	return 0
+}
+
 type VacuumVolumeCommitRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -5611,12 +5619,14 @@ var file_volume_server_proto_rawDesc = []byte{
 	0x6f, 0x6c, 0x75, 0x6d, 0x65, 0x5f, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x08,
 	0x76, 0x6f, 0x6c, 0x75, 0x6d, 0x65, 0x49, 0x64, 0x12, 0x20, 0x0a, 0x0b, 0x70, 0x72, 0x65, 0x61,
 	0x6c, 0x6c, 0x6f, 0x63, 0x61, 0x74, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x03, 0x52, 0x0b, 0x70,
-	0x72, 0x65, 0x61, 0x6c, 0x6c, 0x6f, 0x63, 0x61, 0x74, 0x65, 0x22, 0x46, 0x0a, 0x1b, 0x56, 0x61,
+	0x72, 0x65, 0x61, 0x6c, 0x6c, 0x6f, 0x63, 0x61, 0x74, 0x65, 0x22, 0x66, 0x0a, 0x1b, 0x56, 0x61,
 	0x63, 0x75, 0x75, 0x6d, 0x56, 0x6f, 0x6c, 0x75, 0x6d, 0x65, 0x43, 0x6f, 0x6d, 0x70, 0x61, 0x63,
 	0x74, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x27, 0x0a, 0x0f, 0x70, 0x72, 0x6f,
 	0x63, 0x65, 0x73, 0x73, 0x65, 0x64, 0x5f, 0x62, 0x79, 0x74, 0x65, 0x73, 0x18, 0x01, 0x20, 0x01,
 	0x28, 0x03, 0x52, 0x0e, 0x70, 0x72, 0x6f, 0x63, 0x65, 0x73, 0x73, 0x65, 0x64, 0x42, 0x79, 0x74,
-	0x65, 0x73, 0x22, 0x38, 0x0a, 0x19, 0x56, 0x61, 0x63, 0x75, 0x75, 0x6d, 0x56, 0x6f, 0x6c, 0x75,
+	0x65, 0x73, 0x12, 0x1e, 0x0a, 0x0b, 0x6c, 0x6f, 0x61, 0x64, 0x5f, 0x61, 0x76, 0x67, 0x5f, 0x31,
+	0x6d, 0x18, 0x02, 0x20, 0x01, 0x28, 0x02, 0x52, 0x09, 0x6c, 0x6f, 0x61, 0x64, 0x41, 0x76, 0x67,
+	0x31, 0x6d, 0x22, 0x38, 0x0a, 0x19, 0x56, 0x61, 0x63, 0x75, 0x75, 0x6d, 0x56, 0x6f, 0x6c, 0x75,
 	0x6d, 0x65, 0x43, 0x6f, 0x6d, 0x6d, 0x69, 0x74, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12,
 	0x1b, 0x0a, 0x09, 0x76, 0x6f, 0x6c, 0x75, 0x6d, 0x65, 0x5f, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01,
 	0x28, 0x0d, 0x52, 0x08, 0x76, 0x6f, 0x6c, 0x75, 0x6d, 0x65, 0x49, 0x64, 0x22, 0x3e, 0x0a, 0x1a,
diff --git a/weed/pb/volume_server_pb/volume_server_grpc.pb.go b/weed/pb/volume_server_pb/volume_server_grpc.pb.go
index e1b162457..4025c9b63 100644
--- a/weed/pb/volume_server_pb/volume_server_grpc.pb.go
+++ b/weed/pb/volume_server_pb/volume_server_grpc.pb.go
@@ -11,7 +11,6 @@ import (
 
 // This is a compile-time assertion to ensure that this generated file
 // is compatible with the grpc package it is being compiled against.
-// Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7
 
 // VolumeServerClient is the client API for VolumeServer service.
diff --git a/weed/server/volume_grpc_vacuum.go b/weed/server/volume_grpc_vacuum.go
index f11764f3a..5252584e1 100644
--- a/weed/server/volume_grpc_vacuum.go
+++ b/weed/server/volume_grpc_vacuum.go
@@ -3,11 +3,15 @@ package weed_server
 import (
 	"context"
 
+	"github.com/prometheus/procfs"
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/pb/volume_server_pb"
 	"github.com/seaweedfs/seaweedfs/weed/storage/needle"
+	"runtime"
 )
 
+var numCPU = runtime.NumCPU()
+
 func (vs *VolumeServer) VacuumVolumeCheck(ctx context.Context, req *volume_server_pb.VacuumVolumeCheckRequest) (*volume_server_pb.VacuumVolumeCheckResponse, error) {
 
 	resp := &volume_server_pb.VacuumVolumeCheckResponse{}
@@ -29,11 +33,16 @@ func (vs *VolumeServer) VacuumVolumeCompact(req *volume_server_pb.VacuumVolumeCo
 	resp := &volume_server_pb.VacuumVolumeCompactResponse{}
 	reportInterval := int64(1024 * 1024 * 128)
 	nextReportTarget := reportInterval
-
+	fs, fsErr := procfs.NewDefaultFS()
 	var sendErr error
 	err := vs.store.CompactVolume(needle.VolumeId(req.VolumeId), req.Preallocate, vs.compactionBytePerSecond, func(processed int64) bool {
 		if processed > nextReportTarget {
 			resp.ProcessedBytes = processed
+			if fsErr == nil && numCPU > 0 {
+				if fsLa, err := fs.LoadAvg(); err == nil {
+					resp.LoadAvg_1M = float32(fsLa.Load1 / float64(numCPU))
+				}
+			}
 			if sendErr = stream.Send(resp); sendErr != nil {
 				return false
 			}
diff --git a/weed/storage/volume_vacuum.go b/weed/storage/volume_vacuum.go
index 927885e17..ba00666bc 100644
--- a/weed/storage/volume_vacuum.go
+++ b/weed/storage/volume_vacuum.go
@@ -88,7 +88,15 @@ func (v *Volume) Compact2(preallocate int64, compactionBytePerSecond int64, prog
 	if err := v.nm.Sync(); err != nil {
 		glog.V(0).Infof("compact2 fail to sync volume idx %d: %v", v.Id, err)
 	}
-	return copyDataBasedOnIndexFile(v.FileName(".dat"), v.FileName(".idx"), v.FileName(".cpd"), v.FileName(".cpx"), v.SuperBlock, v.Version(), preallocate, compactionBytePerSecond, progressFn)
+	return copyDataBasedOnIndexFile(
+		v.FileName(".dat"), v.FileName(".idx"),
+		v.FileName(".cpd"), v.FileName(".cpx"),
+		v.SuperBlock,
+		v.Version(),
+		preallocate,
+		compactionBytePerSecond,
+		progressFn,
+	)
 }
 
 func (v *Volume) CommitCompact() error {
diff --git a/weed/topology/topology_vacuum.go b/weed/topology/topology_vacuum.go
index 918bda902..717dc8f76 100644
--- a/weed/topology/topology_vacuum.go
+++ b/weed/topology/topology_vacuum.go
@@ -89,7 +89,8 @@ func (t *Topology) batchVacuumVolumeCompact(grpcDialOption grpc.DialOption, vl *
 							return recvErr
 						}
 					}
-					glog.V(0).Infof("%d vacuum %d on %s processed %d bytes", index, vid, url, resp.ProcessedBytes)
+					glog.V(0).Infof("%d vacuum %d on %s processed %d bytes, loadAvg %.02f%%",
+						index, vid, url, resp.ProcessedBytes, resp.LoadAvg_1M*100)
 				}
 				return nil
 			})
@@ -217,7 +218,8 @@ func (t *Topology) vacuumOneVolumeLayout(grpcDialOption grpc.DialOption, volumeL
 		}
 
 		glog.V(2).Infof("check vacuum on collection:%s volume:%d", c.Name, vid)
-		if vacuumLocationList, needVacuum := t.batchVacuumVolumeCheck(grpcDialOption, vid, locationList, garbageThreshold); needVacuum {
+		if vacuumLocationList, needVacuum := t.batchVacuumVolumeCheck(
+			grpcDialOption, vid, locationList, garbageThreshold); needVacuum {
 			if t.batchVacuumVolumeCompact(grpcDialOption, volumeLayout, vid, vacuumLocationList, preallocate) {
 				t.batchVacuumVolumeCommit(grpcDialOption, volumeLayout, vid, vacuumLocationList)
 			} else {