Merge pull request #13 from chrislusf/master

sync

k8s/seaweedfs/Chart.yaml

@@ -1,4 +1,4 @@
 apiVersion: v1
 description: SeaweedFS
 name: seaweedfs
-version: 1.90
+version: 1.92

k8s/seaweedfs/values.yaml

@@ -4,7 +4,7 @@ global:
   registry: ""
   repository: ""
   imageName: chrislusf/seaweedfs
-  imageTag: "1.90"
+  imageTag: "1.92"
   imagePullPolicy: IfNotPresent
   imagePullSecrets: imagepullsecret
   restartPolicy: Always

other/java/client/src/main/proto/filer.proto

@@ -102,6 +102,7 @@ message EventNotification {
     bool delete_chunks = 3;
     string new_parent_path = 4;
     bool is_from_other_cluster = 5;
+    repeated int32 signatures = 6;
 }
 
 message FileChunk {
@@ -150,6 +151,7 @@ message CreateEntryRequest {
     Entry entry = 2;
     bool o_excl = 3;
     bool is_from_other_cluster = 4;
+    repeated int32 signatures = 5;
 }
 
 message CreateEntryResponse {
@@ -160,6 +162,7 @@ message UpdateEntryRequest {
     string directory = 1;
     Entry entry = 2;
     bool is_from_other_cluster = 3;
+    repeated int32 signatures = 4;
 }
 message UpdateEntryResponse {
 }
@@ -180,6 +183,7 @@ message DeleteEntryRequest {
     bool is_recursive = 5;
     bool ignore_recursive_error = 6;
     bool is_from_other_cluster = 7;
+    repeated int32 signatures = 8;
 }
 
 message DeleteEntryResponse {
@@ -268,6 +272,7 @@ message SubscribeMetadataRequest {
     string client_name = 1;
     string path_prefix = 2;
     int64 since_ns = 3;
+    int32 signature = 4;
 }
 message SubscribeMetadataResponse {
     string directory = 1;

test/random_access/src/test/java/seaewedfs/mmap/MmapFileTest.java → test/random_access/src/test/java/seaweedfs/file/MmapFileTest.java

@@ -1,4 +1,4 @@
-package seaewedfs.mmap;
+package seaweedfs.file;
 
 import org.junit.Test;
 
@@ -11,7 +11,7 @@ import java.nio.channels.FileChannel;
 
 public class MmapFileTest {
 
-    File dir = new File("/Users/chris/tmp/mm/dev");
+    static File dir = new File("/Users/chris/tmp/mm/dev");
 
     @Test
     public void testMmap() {

test/random_access/src/test/java/seaweedfs/file/RandomeAccessFileTest.java

@@ -0,0 +1,70 @@
+package seaweedfs.file;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.nio.ByteBuffer;
+import java.util.Random;
+
+public class RandomeAccessFileTest {
+
+    @Test
+    public void testRandomWriteAndRead() throws IOException {
+
+        File f = new File(MmapFileTest.dir, "mmap_file.txt");
+
+        RandomAccessFile af = new RandomAccessFile(f, "rw");
+        af.setLength(0);
+        af.close();
+
+        Random r = new Random();
+
+        int maxLength = 5000;
+
+        byte[] data = new byte[maxLength];
+        byte[] readData = new byte[maxLength];
+
+        for (int i = 4096; i < maxLength; i++) {
+
+            RandomAccessFile raf = new RandomAccessFile(f, "rw");
+            long fileSize = raf.length();
+
+            raf.readFully(readData, 0, (int)fileSize);
+
+            for (int x=0;x<fileSize;x++){
+                Assert.assertEquals(data[x], readData[x]);
+            }
+
+            int start = r.nextInt(i);
+            int stop = r.nextInt(i);
+            if (start > stop) {
+                int t = stop;
+                stop = start;
+                start = t;
+            }
+            if (stop > fileSize) {
+                fileSize = stop;
+                raf.setLength(fileSize);
+            }
+
+            randomize(r, data, start, stop);
+            raf.seek(start);
+            raf.write(data, start, stop-start);
+
+            raf.close();
+        }
+
+    }
+
+    private static void randomize(Random r, byte[] bytes, int start, int stop) {
+        for (int i = start; i < stop; i++) {
+            int rnd = r.nextInt();
+            bytes[i] = (byte) rnd;
+        }
+    }
+
+
+}

weed/command/server.go

@@ -98,6 +98,7 @@ func init() {
 	serverOptions.v.compactionMBPerSecond = cmdServer.Flag.Int("volume.compactionMBps", 0, "limit compaction speed in mega bytes per second")
 	serverOptions.v.fileSizeLimitMB = cmdServer.Flag.Int("volume.fileSizeLimitMB", 1024, "limit file size to avoid out of memory")
 	serverOptions.v.publicUrl = cmdServer.Flag.String("volume.publicUrl", "", "publicly accessible address")
+	serverOptions.v.preStopSeconds = cmdServer.Flag.Int("volume.preStopSeconds", 30, "number of seconds between stop send heartbeats and stop volume server")
 	serverOptions.v.pprof = &False
 
 	s3Options.port = cmdServer.Flag.Int("s3.port", 8333, "s3 server http listen port")

weed/command/volume.go

@@ -55,6 +55,7 @@ type VolumeServerOptions struct {
 	fileSizeLimitMB       *int
 	minFreeSpacePercents  []float32
 	pprof                 *bool
+	preStopSeconds        *int
 	// pulseSeconds          *int
 }
 
@@ -66,6 +67,7 @@ func init() {
 	v.publicUrl = cmdVolume.Flag.String("publicUrl", "", "Publicly accessible address")
 	v.bindIp = cmdVolume.Flag.String("ip.bind", "0.0.0.0", "ip address to bind to")
 	v.masters = cmdVolume.Flag.String("mserver", "localhost:9333", "comma-separated master servers")
+	v.preStopSeconds = cmdVolume.Flag.Int("preStopSeconds", 30, "number of seconds between stop send heartbeats and stop volume server")
 	// v.pulseSeconds = cmdVolume.Flag.Int("pulseSeconds", 5, "number of seconds between heartbeats, must be smaller than or equal to the master's setting")
 	v.idleConnectionTimeout = cmdVolume.Flag.Int("idleTimeout", 30, "connection idle seconds")
 	v.dataCenter = cmdVolume.Flag.String("dataCenter", "", "current volume server's data center name")
@@ -206,7 +208,6 @@ func (v VolumeServerOptions) startVolumeServer(volumeFolders, maxVolumeCounts, v
 		*v.compactionMBPerSecond,
 		*v.fileSizeLimitMB,
 	)
-
 	// starting grpc server
 	grpcS := v.startGrpcService(volumeServer)
 
@@ -227,6 +228,11 @@ func (v VolumeServerOptions) startVolumeServer(volumeFolders, maxVolumeCounts, v
 		fmt.Println("volume server has be killed")
 		var startTime time.Time
 
+		// Stop heartbeats
+		glog.V(0).Infof("stop send heartbeat and wait %d seconds until shutdown ...", *v.preStopSeconds)
+		volumeServer.SendHeartbeat = false
+		time.Sleep(time.Duration(*v.preStopSeconds) * time.Second)
+		glog.V(0).Infof("end sleep %d sec", *v.preStopSeconds)
 		// firstly, stop the public http service to prevent from receiving new user request
 		if nil != publicHttpDown {
 			startTime = time.Now()

weed/command/watch.go

@@ -4,6 +4,8 @@ import (
 	"context"
 	"fmt"
 	"io"
+	"path/filepath"
+	"strings"
 	"time"
 
 	"github.com/chrislusf/seaweedfs/weed/pb"
@@ -17,7 +19,7 @@ func init() {
 }
 
 var cmdWatch = &Command{
-	UsageLine: "watch <wip> [-filer=localhost:8888] [-target=/]",
+	UsageLine: "watch [-filer=localhost:8888] [-target=/]",
 	Short:     "see recent changes on a filer",
 	Long: `See recent changes on a filer.
 
@@ -25,15 +27,55 @@ var cmdWatch = &Command{
 }
 
 var (
-	watchFiler  = cmdWatch.Flag.String("filer", "localhost:8888", "filer hostname:port")
-	watchTarget = cmdWatch.Flag.String("pathPrefix", "/", "path to a folder or file, or common prefix for the folders or files on filer")
-	watchStart  = cmdWatch.Flag.Duration("timeAgo", 0, "start time before now. \"300ms\", \"1.5h\" or \"2h45m\". Valid time units are \"ns\", \"us\" (or \"µs\"), \"ms\", \"s\", \"m\", \"h\"")
+	watchFiler   = cmdWatch.Flag.String("filer", "localhost:8888", "filer hostname:port")
+	watchTarget  = cmdWatch.Flag.String("pathPrefix", "/", "path to a folder or file, or common prefix for the folders or files on filer")
+	watchStart   = cmdWatch.Flag.Duration("timeAgo", 0, "start time before now. \"300ms\", \"1.5h\" or \"2h45m\". Valid time units are \"ns\", \"us\" (or \"µs\"), \"ms\", \"s\", \"m\", \"h\"")
+	watchPattern = cmdWatch.Flag.String("pattern", "", "full path or just filename pattern, ex: \"/home/?opher\", \"*.pdf\", see https://golang.org/pkg/path/filepath/#Match ")
 )
 
 func runWatch(cmd *Command, args []string) bool {
 
 	grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
 
+	var filterFunc func(dir, fname string) bool
+	if *watchPattern != "" {
+		if strings.Contains(*watchPattern, "/") {
+			println("watch path pattern", *watchPattern)
+			filterFunc = func(dir, fname string) bool {
+				matched, err := filepath.Match(*watchPattern, dir+"/"+fname)
+				if err != nil {
+					fmt.Printf("error: %v", err)
+				}
+				return matched
+			}
+		} else {
+			println("watch file pattern", *watchPattern)
+			filterFunc = func(dir, fname string) bool {
+				matched, err := filepath.Match(*watchPattern, fname)
+				if err != nil {
+					fmt.Printf("error: %v", err)
+				}
+				return matched
+			}
+		}
+	}
+
+	shouldPrint := func(resp *filer_pb.SubscribeMetadataResponse) bool {
+		if filterFunc == nil {
+			return true
+		}
+		if resp.EventNotification.OldEntry == nil && resp.EventNotification.NewEntry == nil {
+			return false
+		}
+		if resp.EventNotification.OldEntry != nil && filterFunc(resp.Directory, resp.EventNotification.OldEntry.Name) {
+			return true
+		}
+		if resp.EventNotification.NewEntry != nil && filterFunc(resp.EventNotification.NewParentPath, resp.EventNotification.NewEntry.Name) {
+			return true
+		}
+		return false
+	}
+
 	watchErr := pb.WithFilerClient(*watchFiler, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
 
 		stream, err := client.SubscribeMetadata(context.Background(), &filer_pb.SubscribeMetadataRequest{
@@ -53,7 +95,10 @@ func runWatch(cmd *Command, args []string) bool {
 			if listenErr != nil {
 				return listenErr
 			}
-			fmt.Printf("events: %+v\n", resp.EventNotification)
+			if !shouldPrint(resp) {
+				continue
+			}
+			fmt.Printf("%+v\n", resp.EventNotification)
 		}
 
 	})

weed/filer2/abstract_sql/abstract_sql_store.go

@@ -72,11 +72,25 @@ func (store *AbstractSqlStore) InsertEntry(ctx context.Context, entry *filer2.En
 		return fmt.Errorf("insert %s: %s", entry.FullPath, err)
 	}
 
+	affectedRows, err := res.RowsAffected()
+	if err == nil && affectedRows > 0 {
+		return nil
+	}
+
+	// now the insert failed possibly due to duplication constraints
+	glog.V(1).Infof("insert %s falls back to update: %s", entry.FullPath, err)
+
+	res, err = store.getTxOrDB(ctx).ExecContext(ctx, store.SqlUpdate, meta, util.HashStringToLong(dir), name, dir)
+	if err != nil {
+		return fmt.Errorf("upsert %s: %s", entry.FullPath, err)
+	}
+
 	_, err = res.RowsAffected()
 	if err != nil {
-		return fmt.Errorf("insert %s but no rows affected: %s", entry.FullPath, err)
+		return fmt.Errorf("upsert %s but no rows affected: %s", entry.FullPath, err)
 	}
 	return nil
+
 }
 
 func (store *AbstractSqlStore) UpdateEntry(ctx context.Context, entry *filer2.Entry) (err error) {

weed/filer2/filechunk_manifest.go

@@ -26,7 +26,18 @@ func HasChunkManifest(chunks []*filer_pb.FileChunk) bool {
 	return false
 }
 
-func ResolveChunkManifest(lookupFileIdFn LookupFileIdFunctionType, chunks []*filer_pb.FileChunk) (dataChunks, manifestChunks []*filer_pb.FileChunk, manefestResolveErr error) {
+func SeparateManifestChunks(chunks []*filer_pb.FileChunk) (manifestChunks, nonManifestChunks []*filer_pb.FileChunk) {
+	for _, c := range chunks {
+		if c.IsChunkManifest {
+			manifestChunks = append(manifestChunks, c)
+		} else {
+			nonManifestChunks = append(nonManifestChunks, c)
+		}
+	}
+	return
+}
+
+func ResolveChunkManifest(lookupFileIdFn LookupFileIdFunctionType, chunks []*filer_pb.FileChunk) (dataChunks, manifestChunks []*filer_pb.FileChunk, manifestResolveErr error) {
 	// TODO maybe parallel this
 	for _, chunk := range chunks {
 		if !chunk.IsChunkManifest {
@@ -34,19 +45,14 @@ func ResolveChunkManifest(lookupFileIdFn LookupFileIdFunctionType, chunks []*fil
 			continue
 		}
 
-		// IsChunkManifest
-		data, err := fetchChunk(lookupFileIdFn, chunk.FileId, chunk.CipherKey, chunk.IsCompressed)
+		resolvedChunks, err := ResolveOneChunkManifest(lookupFileIdFn, chunk)
 		if err != nil {
-			return chunks, nil, fmt.Errorf("fail to read manifest %s: %v", chunk.FileId, err)
-		}
-		m := &filer_pb.FileChunkManifest{}
-		if err := proto.Unmarshal(data, m); err != nil {
-			return chunks, nil, fmt.Errorf("fail to unmarshal manifest %s: %v", chunk.FileId, err)
+			return chunks, nil, err
 		}
+
 		manifestChunks = append(manifestChunks, chunk)
 		// recursive
-		filer_pb.AfterEntryDeserialization(m.Chunks)
-		dchunks, mchunks, subErr := ResolveChunkManifest(lookupFileIdFn, m.Chunks)
+		dchunks, mchunks, subErr := ResolveChunkManifest(lookupFileIdFn, resolvedChunks)
 		if subErr != nil {
 			return chunks, nil, subErr
 		}
@@ -56,6 +62,26 @@ func ResolveChunkManifest(lookupFileIdFn LookupFileIdFunctionType, chunks []*fil
 	return
 }
 
+func ResolveOneChunkManifest(lookupFileIdFn LookupFileIdFunctionType, chunk *filer_pb.FileChunk) (dataChunks []*filer_pb.FileChunk, manifestResolveErr error) {
+	if !chunk.IsChunkManifest {
+		return
+	}
+
+	// IsChunkManifest
+	data, err := fetchChunk(lookupFileIdFn, chunk.GetFileIdString(), chunk.CipherKey, chunk.IsCompressed)
+	if err != nil {
+		return nil, fmt.Errorf("fail to read manifest %s: %v", chunk.GetFileIdString(), err)
+	}
+	m := &filer_pb.FileChunkManifest{}
+	if err := proto.Unmarshal(data, m); err != nil {
+		return nil, fmt.Errorf("fail to unmarshal manifest %s: %v", chunk.GetFileIdString(), err)
+	}
+
+	// recursive
+	filer_pb.AfterEntryDeserialization(m.Chunks)
+	return m.Chunks, nil
+}
+
 // TODO fetch from cache for weed mount?
 func fetchChunk(lookupFileIdFn LookupFileIdFunctionType, fileId string, cipherKey []byte, isGzipped bool) ([]byte, error) {
 	urlString, err := lookupFileIdFn(fileId)

weed/filer2/filechunks.go

@@ -158,7 +158,7 @@ func logPrintf(name string, visibles []VisibleInterval) {
 	/*
 		glog.V(0).Infof("%s len %d", name, len(visibles))
 		for _, v := range visibles {
-			glog.V(0).Infof("%s:  [%d,%d)", name, v.start, v.stop)
+			glog.V(0).Infof("%s:  [%d,%d) %s %d", name, v.start, v.stop, v.fileId, v.chunkOffset)
 		}
 	*/
 }
@@ -169,7 +169,7 @@ var bufPool = sync.Pool{
 	},
 }
 
-func MergeIntoVisibles(visibles, newVisibles []VisibleInterval, chunk *filer_pb.FileChunk) []VisibleInterval {
+func MergeIntoVisibles(visibles []VisibleInterval, chunk *filer_pb.FileChunk) (newVisibles []VisibleInterval) {
 
 	newV := newVisibleInterval(chunk.Offset, chunk.Offset+int64(chunk.Size), chunk.GetFileIdString(), chunk.Mtime, 0, chunk.Size, chunk.CipherKey, chunk.IsCompressed)
 
@@ -183,16 +183,22 @@ func MergeIntoVisibles(visibles, newVisibles []VisibleInterval, chunk *filer_pb.
 	}
 
 	logPrintf("  before", visibles)
+	// glog.V(0).Infof("newVisibles %d adding chunk [%d,%d) %s size:%d", len(newVisibles), chunk.Offset, chunk.Offset+int64(chunk.Size), chunk.GetFileIdString(), chunk.Size)
 	chunkStop := chunk.Offset + int64(chunk.Size)
 	for _, v := range visibles {
 		if v.start < chunk.Offset && chunk.Offset < v.stop {
-			newVisibles = append(newVisibles, newVisibleInterval(v.start, chunk.Offset, v.fileId, v.modifiedTime, v.chunkOffset, v.chunkSize, v.cipherKey, v.isGzipped))
+			t := newVisibleInterval(v.start, chunk.Offset, v.fileId, v.modifiedTime, v.chunkOffset, v.chunkSize, v.cipherKey, v.isGzipped)
+			newVisibles = append(newVisibles, t)
+			// glog.V(0).Infof("visible %d [%d,%d) =1> [%d,%d)", i, v.start, v.stop, t.start, t.stop)
 		}
 		if v.start < chunkStop && chunkStop < v.stop {
-			newVisibles = append(newVisibles, newVisibleInterval(chunkStop, v.stop, v.fileId, v.modifiedTime, v.chunkOffset+(chunkStop-v.start), v.chunkSize, v.cipherKey, v.isGzipped))
+			t := newVisibleInterval(chunkStop, v.stop, v.fileId, v.modifiedTime, v.chunkOffset+(chunkStop-v.start), v.chunkSize, v.cipherKey, v.isGzipped)
+			newVisibles = append(newVisibles, t)
+			// glog.V(0).Infof("visible %d [%d,%d) =2> [%d,%d)", i, v.start, v.stop, t.start, t.stop)
 		}
 		if chunkStop <= v.start || v.stop <= chunk.Offset {
 			newVisibles = append(newVisibles, v)
+			// glog.V(0).Infof("visible %d [%d,%d) =3> [%d,%d)", i, v.start, v.stop, v.start, v.stop)
 		}
 	}
 	newVisibles = append(newVisibles, newV)
@@ -219,17 +225,16 @@ func NonOverlappingVisibleIntervals(lookupFileIdFn LookupFileIdFunctionType, chu
 	chunks, _, err = ResolveChunkManifest(lookupFileIdFn, chunks)
 
 	sort.Slice(chunks, func(i, j int) bool {
-		return chunks[i].Mtime < chunks[j].Mtime
+		if chunks[i].Mtime == chunks[j].Mtime {
+			return chunks[i].Fid.FileKey < chunks[j].Fid.FileKey
+		}
+		return chunks[i].Mtime < chunks[j].Mtime // keep this to make tests run
 	})
 
-	var newVisibles []VisibleInterval
 	for _, chunk := range chunks {
 
 		// glog.V(0).Infof("merge [%d,%d)", chunk.Offset, chunk.Offset+int64(chunk.Size))
-		newVisibles = MergeIntoVisibles(visibles, newVisibles, chunk)
-		t := visibles[:0]
-		visibles = newVisibles
-		newVisibles = t
+		visibles = MergeIntoVisibles(visibles, chunk)
 
 		logPrintf("add", visibles)
 

weed/filer2/filechunks2_test.go

@@ -0,0 +1,46 @@
+package filer2
+
+import (
+	"sort"
+	"testing"
+
+	"github.com/chrislusf/seaweedfs/weed/glog"
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+)
+
+func TestCompactFileChunksRealCase(t *testing.T) {
+
+	chunks := []*filer_pb.FileChunk{
+		{FileId: "2,512f31f2c0700a", Offset: 0, Size: 25 - 0, Mtime: 5320497},
+		{FileId: "6,512f2c2e24e9e8", Offset: 868352, Size: 917585 - 868352, Mtime: 5320492},
+		{FileId: "7,514468dd5954ca", Offset: 884736, Size: 901120 - 884736, Mtime: 5325928},
+		{FileId: "5,5144463173fe77", Offset: 917504, Size: 2297856 - 917504, Mtime: 5325894},
+		{FileId: "4,51444c7ab54e2d", Offset: 2301952, Size: 2367488 - 2301952, Mtime: 5325900},
+		{FileId: "4,514450e643ad22", Offset: 2371584, Size: 2420736 - 2371584, Mtime: 5325904},
+		{FileId: "6,514456a5e9e4d7", Offset: 2449408, Size: 2490368 - 2449408, Mtime: 5325910},
+		{FileId: "3,51444f8d53eebe", Offset: 2494464, Size: 2555904 - 2494464, Mtime: 5325903},
+		{FileId: "4,5144578b097c7e", Offset: 2560000, Size: 2596864 - 2560000, Mtime: 5325911},
+		{FileId: "3,51445500b6b4ac", Offset: 2637824, Size: 2678784 - 2637824, Mtime: 5325909},
+		{FileId: "1,51446285e52a61", Offset: 2695168, Size: 2715648 - 2695168, Mtime: 5325922},
+	}
+
+	printChunks("before", chunks)
+
+	compacted, garbage := CompactFileChunks(nil, chunks)
+
+	printChunks("compacted", compacted)
+	printChunks("garbage", garbage)
+
+}
+
+func printChunks(name string, chunks []*filer_pb.FileChunk) {
+	sort.Slice(chunks, func(i, j int) bool {
+		if chunks[i].Offset == chunks[j].Offset {
+			return chunks[i].Mtime < chunks[j].Mtime
+		}
+		return chunks[i].Offset < chunks[j].Offset
+	})
+	for _, chunk := range chunks {
+		glog.V(0).Infof("%s chunk %s [%10d,%10d)", name, chunk.GetFileIdString(), chunk.Offset, chunk.Offset+int64(chunk.Size))
+	}
+}

weed/filer2/filechunks_test.go

@@ -4,6 +4,8 @@ import (
 	"fmt"
 	"log"
 	"math"
+	"math/rand"
+	"strconv"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -62,6 +64,42 @@ func TestCompactFileChunks2(t *testing.T) {
 	}
 }
 
+func TestRandomFileChunksCompact(t *testing.T) {
+
+	data := make([]byte, 1024)
+
+	var chunks []*filer_pb.FileChunk
+	for i := 0; i < 15; i++ {
+		start, stop := rand.Intn(len(data)), rand.Intn(len(data))
+		if start > stop {
+			start, stop = stop, start
+		}
+		if start+16 < stop {
+			stop = start + 16
+		}
+		chunk := &filer_pb.FileChunk{
+			FileId: strconv.Itoa(i),
+			Offset: int64(start),
+			Size:   uint64(stop - start),
+			Mtime:  int64(i),
+			Fid:    &filer_pb.FileId{FileKey: uint64(i)},
+		}
+		chunks = append(chunks, chunk)
+		for x := start; x < stop; x++ {
+			data[x] = byte(i)
+		}
+	}
+
+	visibles, _ := NonOverlappingVisibleIntervals(nil, chunks)
+
+	for _, v := range visibles {
+		for x := v.start; x < v.stop; x++ {
+			assert.Equal(t, strconv.Itoa(int(data[x])), v.fileId)
+		}
+	}
+
+}
+
 func TestIntervalMerging(t *testing.T) {
 
 	testcases := []struct {
@@ -142,12 +180,12 @@ func TestIntervalMerging(t *testing.T) {
 		// case 6: same updates
 		{
 			Chunks: []*filer_pb.FileChunk{
-				{Offset: 0, Size: 100, FileId: "abc", Mtime: 123},
-				{Offset: 0, Size: 100, FileId: "abc", Mtime: 123},
-				{Offset: 0, Size: 100, FileId: "abc", Mtime: 123},
+				{Offset: 0, Size: 100, FileId: "abc", Fid: &filer_pb.FileId{FileKey: 1}, Mtime: 123},
+				{Offset: 0, Size: 100, FileId: "axf", Fid: &filer_pb.FileId{FileKey: 2}, Mtime: 123},
+				{Offset: 0, Size: 100, FileId: "xyz", Fid: &filer_pb.FileId{FileKey: 3}, Mtime: 123},
 			},
 			Expected: []*VisibleInterval{
-				{start: 0, stop: 100, fileId: "abc"},
+				{start: 0, stop: 100, fileId: "xyz"},
 			},
 		},
 		// case 7: real updates
@@ -314,14 +352,14 @@ func TestChunksReading(t *testing.T) {
 		// case 6: same updates
 		{
 			Chunks: []*filer_pb.FileChunk{
-				{Offset: 0, Size: 100, FileId: "abc", Mtime: 123},
-				{Offset: 0, Size: 100, FileId: "abc", Mtime: 123},
-				{Offset: 0, Size: 100, FileId: "abc", Mtime: 123},
+				{Offset: 0, Size: 100, FileId: "abc", Fid: &filer_pb.FileId{FileKey: 1}, Mtime: 123},
+				{Offset: 0, Size: 100, FileId: "def", Fid: &filer_pb.FileId{FileKey: 2}, Mtime: 123},
+				{Offset: 0, Size: 100, FileId: "xyz", Fid: &filer_pb.FileId{FileKey: 3}, Mtime: 123},
 			},
 			Offset: 0,
 			Size:   100,
 			Expected: []*ChunkView{
-				{Offset: 0, Size: 100, FileId: "abc", LogicOffset: 0},
+				{Offset: 0, Size: 100, FileId: "xyz", LogicOffset: 0},
 			},
 		},
 		// case 7: edge cases

weed/filer2/filer.go

@@ -16,7 +16,10 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/wdclient"
 )
 
-const PaginationSize = 1024 * 256
+const (
+	LogFlushInterval = time.Minute
+	PaginationSize   = 1024 * 256
+)
 
 var (
 	OS_UID = uint32(os.Getuid())
@@ -36,6 +39,7 @@ type Filer struct {
 	metaLogCollection   string
 	metaLogReplication  string
 	MetaAggregator      *MetaAggregator
+	Signature           int32
 }
 
 func NewFiler(masters []string, grpcDialOption grpc.DialOption,
@@ -44,8 +48,9 @@ func NewFiler(masters []string, grpcDialOption grpc.DialOption,
 		MasterClient:        wdclient.NewMasterClient(grpcDialOption, "filer", filerHost, filerGrpcPort, masters),
 		fileIdDeletionQueue: util.NewUnboundedQueue(),
 		GrpcDialOption:      grpcDialOption,
+		Signature:           util.RandomInt32(),
 	}
-	f.LocalMetaLogBuffer = log_buffer.NewLogBuffer(time.Minute, f.logFlushFunc, notifyFn)
+	f.LocalMetaLogBuffer = log_buffer.NewLogBuffer(LogFlushInterval, f.logFlushFunc, notifyFn)
 	f.metaLogCollection = collection
 	f.metaLogReplication = replication
 
@@ -93,7 +98,7 @@ func (f *Filer) RollbackTransaction(ctx context.Context) error {
 	return f.Store.RollbackTransaction(ctx)
 }
 
-func (f *Filer) CreateEntry(ctx context.Context, entry *Entry, o_excl bool, isFromOtherCluster bool) error {
+func (f *Filer) CreateEntry(ctx context.Context, entry *Entry, o_excl bool, isFromOtherCluster bool, signatures []int32) error {
 
 	if string(entry.FullPath) == "/" {
 		return nil
@@ -143,7 +148,7 @@ func (f *Filer) CreateEntry(ctx context.Context, entry *Entry, o_excl bool, isFr
 				}
 			} else {
 				f.maybeAddBucket(dirEntry)
-				f.NotifyUpdateEvent(ctx, nil, dirEntry, false, isFromOtherCluster)
+				f.NotifyUpdateEvent(ctx, nil, dirEntry, false, isFromOtherCluster, nil)
 			}
 
 		} else if !dirEntry.IsDirectory() {
@@ -191,7 +196,7 @@ func (f *Filer) CreateEntry(ctx context.Context, entry *Entry, o_excl bool, isFr
 	}
 
 	f.maybeAddBucket(entry)
-	f.NotifyUpdateEvent(ctx, oldEntry, entry, true, isFromOtherCluster)
+	f.NotifyUpdateEvent(ctx, oldEntry, entry, true, isFromOtherCluster, signatures)
 
 	f.deleteChunksIfNotNew(oldEntry, entry)
 

weed/filer2/filer_delete_entry.go

@@ -10,7 +10,7 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/util"
 )
 
-func (f *Filer) DeleteEntryMetaAndData(ctx context.Context, p util.FullPath, isRecursive, ignoreRecursiveError, shouldDeleteChunks, isFromOtherCluster bool) (err error) {
+func (f *Filer) DeleteEntryMetaAndData(ctx context.Context, p util.FullPath, isRecursive, ignoreRecursiveError, shouldDeleteChunks, isFromOtherCluster bool, signatures []int32) (err error) {
 	if p == "/" {
 		return nil
 	}
@@ -36,7 +36,7 @@ func (f *Filer) DeleteEntryMetaAndData(ctx context.Context, p util.FullPath, isR
 	}
 
 	// delete the file or folder
-	err = f.doDeleteEntryMetaAndData(ctx, entry, shouldDeleteChunks, isFromOtherCluster)
+	err = f.doDeleteEntryMetaAndData(ctx, entry, shouldDeleteChunks, isFromOtherCluster, signatures)
 	if err != nil {
 		return fmt.Errorf("delete file %s: %v", p, err)
 	}
@@ -76,7 +76,7 @@ func (f *Filer) doBatchDeleteFolderMetaAndData(ctx context.Context, entry *Entry
 				dirChunks, err = f.doBatchDeleteFolderMetaAndData(ctx, sub, isRecursive, ignoreRecursiveError, shouldDeleteChunks, false)
 				chunks = append(chunks, dirChunks...)
 			} else {
-				f.NotifyUpdateEvent(ctx, sub, nil, shouldDeleteChunks, isFromOtherCluster)
+				f.NotifyUpdateEvent(ctx, sub, nil, shouldDeleteChunks, isFromOtherCluster, nil)
 				chunks = append(chunks, sub.Chunks...)
 			}
 			if err != nil && !ignoreRecursiveError {
@@ -95,12 +95,12 @@ func (f *Filer) doBatchDeleteFolderMetaAndData(ctx context.Context, entry *Entry
 		return nil, fmt.Errorf("filer store delete: %v", storeDeletionErr)
 	}
 
-	f.NotifyUpdateEvent(ctx, entry, nil, shouldDeleteChunks, isFromOtherCluster)
+	f.NotifyUpdateEvent(ctx, entry, nil, shouldDeleteChunks, isFromOtherCluster, nil)
 
 	return chunks, nil
 }
 
-func (f *Filer) doDeleteEntryMetaAndData(ctx context.Context, entry *Entry, shouldDeleteChunks bool, isFromOtherCluster bool) (err error) {
+func (f *Filer) doDeleteEntryMetaAndData(ctx context.Context, entry *Entry, shouldDeleteChunks bool, isFromOtherCluster bool, signatures []int32) (err error) {
 
 	glog.V(3).Infof("deleting entry %v, delete chunks: %v", entry.FullPath, shouldDeleteChunks)
 
@@ -108,7 +108,7 @@ func (f *Filer) doDeleteEntryMetaAndData(ctx context.Context, entry *Entry, shou
 		return fmt.Errorf("filer store delete: %v", storeDeletionErr)
 	}
 	if !entry.IsDirectory() {
-		f.NotifyUpdateEvent(ctx, entry, nil, shouldDeleteChunks, isFromOtherCluster)
+		f.NotifyUpdateEvent(ctx, entry, nil, shouldDeleteChunks, isFromOtherCluster, signatures)
 	}
 
 	return nil

weed/filer2/filer_deletion.go

@@ -70,16 +70,21 @@ func (f *Filer) loopProcessingDeletion() {
 
 func (f *Filer) DeleteChunks(chunks []*filer_pb.FileChunk) {
 	for _, chunk := range chunks {
+		if !chunk.IsChunkManifest {
+			f.fileIdDeletionQueue.EnQueue(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 {
+			f.fileIdDeletionQueue.EnQueue(dChunk.GetFileIdString())
+		}
 		f.fileIdDeletionQueue.EnQueue(chunk.GetFileIdString())
 	}
 }
 
-// DeleteFileByFileId direct delete by file id.
-// Only used when the fileId is not being managed by snapshots.
-func (f *Filer) DeleteFileByFileId(fileId string) {
-	f.fileIdDeletionQueue.EnQueue(fileId)
-}
-
 func (f *Filer) deleteChunksIfNotNew(oldEntry, newEntry *Entry) {
 
 	if oldEntry == nil {

weed/filer2/filer_notify.go

@@ -15,7 +15,7 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/util"
 )
 
-func (f *Filer) NotifyUpdateEvent(ctx context.Context, oldEntry, newEntry *Entry, deleteChunks, isFromOtherCluster bool) {
+func (f *Filer) NotifyUpdateEvent(ctx context.Context, oldEntry, newEntry *Entry, deleteChunks, isFromOtherCluster bool, signatures []int32) {
 	var fullpath string
 	if oldEntry != nil {
 		fullpath = string(oldEntry.FullPath)
@@ -41,6 +41,7 @@ func (f *Filer) NotifyUpdateEvent(ctx context.Context, oldEntry, newEntry *Entry
 		DeleteChunks:       deleteChunks,
 		NewParentPath:      newParentPath,
 		IsFromOtherCluster: isFromOtherCluster,
+		Signatures:         append(signatures, f.Signature),
 	}
 
 	if notification.Queue != nil {
@@ -67,12 +68,14 @@ func (f *Filer) logMetaEvent(ctx context.Context, fullpath string, eventNotifica
 		return
 	}
 
-	f.LocalMetaLogBuffer.AddToBuffer([]byte(dir), data)
+	f.LocalMetaLogBuffer.AddToBuffer([]byte(dir), data, event.TsNs)
 
 }
 
 func (f *Filer) logFlushFunc(startTime, stopTime time.Time, buf []byte) {
 
+	startTime, stopTime = startTime.UTC(), stopTime.UTC()
+
 	targetFile := fmt.Sprintf("%s/%04d-%02d-%02d/%02d-%02d.segment", SystemLogDir,
 		startTime.Year(), startTime.Month(), startTime.Day(), startTime.Hour(), startTime.Minute(),
 		// startTime.Second(), startTime.Nanosecond(),
@@ -90,6 +93,7 @@ func (f *Filer) logFlushFunc(startTime, stopTime time.Time, buf []byte) {
 
 func (f *Filer) ReadPersistedLogBuffer(startTime time.Time, eachLogEntryFn func(logEntry *filer_pb.LogEntry) error) (lastTsNs int64, err error) {
 
+	startTime = startTime.UTC()
 	startDate := fmt.Sprintf("%04d-%02d-%02d", startTime.Year(), startTime.Month(), startTime.Day())
 	startHourMinute := fmt.Sprintf("%02d-%02d.segment", startTime.Hour(), startTime.Minute())
 
@@ -118,7 +122,7 @@ func (f *Filer) ReadPersistedLogBuffer(startTime time.Time, eachLogEntryFn func(
 			if lastTsNs, err = ReadEachLogEntry(chunkedFileReader, sizeBuf, startTsNs, eachLogEntryFn); err != nil {
 				chunkedFileReader.Close()
 				if err == io.EOF {
-					break
+					continue
 				}
 				return lastTsNs, fmt.Errorf("reading %s: %v", hourMinuteEntry.FullPath, err)
 			}

weed/filer2/filer_notify_append.go

@@ -41,7 +41,7 @@ func (f *Filer) appendToFile(targetFile string, data []byte) error {
 	entry.Chunks = append(entry.Chunks, uploadResult.ToPbFileChunk(assignResult.Fid, offset))
 
 	// update the entry
-	err = f.CreateEntry(context.Background(), entry, false, false)
+	err = f.CreateEntry(context.Background(), entry, false, false, nil)
 
 	return err
 }

weed/filer2/filerstore.go

@@ -63,6 +63,9 @@ func (fsw *FilerStoreWrapper) InsertEntry(ctx context.Context, entry *Entry) err
 	}()
 
 	filer_pb.BeforeEntrySerialization(entry.Chunks)
+	if entry.Mime == "application/octet-stream" {
+		entry.Mime = ""
+	}
 	return fsw.ActualStore.InsertEntry(ctx, entry)
 }
 
@@ -74,6 +77,9 @@ func (fsw *FilerStoreWrapper) UpdateEntry(ctx context.Context, entry *Entry) err
 	}()
 
 	filer_pb.BeforeEntrySerialization(entry.Chunks)
+	if entry.Mime == "application/octet-stream" {
+		entry.Mime = ""
+	}
 	return fsw.ActualStore.UpdateEntry(ctx, entry)
 }
 

weed/filer2/leveldb/leveldb_store_test.go

@@ -31,7 +31,7 @@ func TestCreateAndFind(t *testing.T) {
 		},
 	}
 
-	if err := filer.CreateEntry(ctx, entry1, false, false); err != nil {
+	if err := filer.CreateEntry(ctx, entry1, false, false, nil); err != nil {
 		t.Errorf("create entry %v: %v", entry1.FullPath, err)
 		return
 	}

weed/filer2/leveldb2/leveldb2_store_test.go

@@ -31,7 +31,7 @@ func TestCreateAndFind(t *testing.T) {
 		},
 	}
 
-	if err := filer.CreateEntry(ctx, entry1, false, false); err != nil {
+	if err := filer.CreateEntry(ctx, entry1, false, false, nil); err != nil {
 		t.Errorf("create entry %v: %v", entry1.FullPath, err)
 		return
 	}

weed/filer2/meta_aggregator.go

@@ -25,13 +25,15 @@ type MetaAggregator struct {
 	ListenersCond *sync.Cond
 }
 
+// MetaAggregator only aggregates data "on the fly". The logs are not re-persisted to disk.
+// The old data comes from what each LocalMetadata persisted on disk.
 func NewMetaAggregator(filers []string, grpcDialOption grpc.DialOption) *MetaAggregator {
 	t := &MetaAggregator{
 		filers:         filers,
 		grpcDialOption: grpcDialOption,
 	}
 	t.ListenersCond = sync.NewCond(&t.ListenersLock)
-	t.MetaLogBuffer = log_buffer.NewLogBuffer(time.Minute, nil, func() {
+	t.MetaLogBuffer = log_buffer.NewLogBuffer(LogFlushInterval, nil, func() {
 		t.ListenersCond.Broadcast()
 	})
 	return t
@@ -48,7 +50,7 @@ func (ma *MetaAggregator) subscribeToOneFiler(f *Filer, self string, filer strin
 	var maybeReplicateMetadataChange func(*filer_pb.SubscribeMetadataResponse)
 	lastPersistTime := time.Now()
 	changesSinceLastPersist := 0
-	lastTsNs := int64(0)
+	lastTsNs := time.Now().Add(-LogFlushInterval).UnixNano()
 
 	MaxChangeLimit := 100
 
@@ -88,7 +90,7 @@ func (ma *MetaAggregator) subscribeToOneFiler(f *Filer, self string, filer strin
 		}
 		dir := event.Directory
 		// println("received meta change", dir, "size", len(data))
-		ma.MetaLogBuffer.AddToBuffer([]byte(dir), data)
+		ma.MetaLogBuffer.AddToBuffer([]byte(dir), data, event.TsNs)
 		if maybeReplicateMetadataChange != nil {
 			maybeReplicateMetadataChange(event)
 		}

weed/filer2/reader_at.go

@@ -109,7 +109,7 @@ func (c *ChunkReadAt) doReadAt(p []byte, offset int64) (n int, err error) {
 	glog.V(4).Infof("doReadAt [%d,%d), n:%v, err:%v", offset, offset+int64(len(p)), n, err)
 
 	if err == nil && remaining > 0 && c.fileSize > startOffset {
-		delta := int(min(remaining, c.fileSize - startOffset))
+		delta := int(min(remaining, c.fileSize-startOffset))
 		glog.V(4).Infof("zero2 [%d,%d) of file size %d bytes", startOffset, startOffset+int64(delta), c.fileSize)
 		n += delta
 	}
@@ -129,7 +129,7 @@ func (c *ChunkReadAt) readFromWholeChunkData(chunkView *ChunkView) (chunkData []
 
 	chunkData = c.chunkCache.GetChunk(chunkView.FileId, chunkView.ChunkSize)
 	if chunkData != nil {
-		glog.V(5).Infof("cache hit %s [%d,%d)", chunkView.FileId, chunkView.LogicOffset-chunkView.Offset, chunkView.LogicOffset-chunkView.Offset+int64(len(chunkData)))
+		glog.V(4).Infof("cache hit %s [%d,%d)", chunkView.FileId, chunkView.LogicOffset-chunkView.Offset, chunkView.LogicOffset-chunkView.Offset+int64(len(chunkData)))
 	} else {
 		glog.V(4).Infof("doFetchFullChunkData %s", chunkView.FileId)
 		chunkData, err = c.doFetchFullChunkData(chunkView.FileId, chunkView.CipherKey, chunkView.IsGzipped)

weed/filer2/reader_at_test.go

@@ -27,33 +27,33 @@ func TestReaderAt(t *testing.T) {
 
 	visibles := []VisibleInterval{
 		{
-			start:  1,
-			stop:   2,
-			fileId: "1",
+			start:     1,
+			stop:      2,
+			fileId:    "1",
 			chunkSize: 9,
 		},
 		{
-			start:  3,
-			stop:   4,
-			fileId: "3",
+			start:     3,
+			stop:      4,
+			fileId:    "3",
 			chunkSize: 1,
 		},
 		{
-			start:  5,
-			stop:   6,
-			fileId: "5",
+			start:     5,
+			stop:      6,
+			fileId:    "5",
 			chunkSize: 2,
 		},
 		{
-			start:  7,
-			stop:   9,
-			fileId: "7",
+			start:     7,
+			stop:      9,
+			fileId:    "7",
 			chunkSize: 2,
 		},
 		{
-			start:  9,
-			stop:   10,
-			fileId: "9",
+			start:     9,
+			stop:      10,
+			fileId:    "9",
 			chunkSize: 2,
 		},
 	}
@@ -95,15 +95,15 @@ func TestReaderAt0(t *testing.T) {
 
 	visibles := []VisibleInterval{
 		{
-			start:  2,
-			stop:   5,
-			fileId: "1",
+			start:     2,
+			stop:      5,
+			fileId:    "1",
 			chunkSize: 9,
 		},
 		{
-			start:  7,
-			stop:   9,
-			fileId: "2",
+			start:     7,
+			stop:      9,
+			fileId:    "2",
 			chunkSize: 9,
 		},
 	}
@@ -129,9 +129,9 @@ func TestReaderAt1(t *testing.T) {
 
 	visibles := []VisibleInterval{
 		{
-			start:  2,
-			stop:   5,
-			fileId: "1",
+			start:     2,
+			stop:      5,
+			fileId:    "1",
 			chunkSize: 9,
 		},
 	}

weed/filesys/dir.go

@@ -63,7 +63,7 @@ func (dir *Dir) Attr(ctx context.Context, attr *fuse.Attr) error {
 	attr.Gid = dir.entry.Attributes.Gid
 	attr.Uid = dir.entry.Attributes.Uid
 
-	glog.V(5).Infof("dir Attr %s, attr: %+v", dir.FullPath(), attr)
+	glog.V(4).Infof("dir Attr %s, attr: %+v", dir.FullPath(), attr)
 
 	return nil
 }
@@ -142,7 +142,8 @@ func (dir *Dir) Create(ctx context.Context, req *fuse.CreateRequest,
 				TtlSec:      dir.wfs.option.TtlSec,
 			},
 		},
-		OExcl: req.Flags&fuse.OpenExclusive != 0,
+		OExcl:      req.Flags&fuse.OpenExclusive != 0,
+		Signatures: []int32{dir.wfs.signature},
 	}
 	glog.V(1).Infof("create %s/%s: %v", dir.FullPath(), req.Name, req.Flags)
 
@@ -151,6 +152,7 @@ func (dir *Dir) Create(ctx context.Context, req *fuse.CreateRequest,
 			if strings.Contains(err.Error(), "EEXIST") {
 				return fuse.EEXIST
 			}
+			glog.V(0).Infof("create %s/%s: %v", dir.FullPath(), req.Name, err)
 			return fuse.EIO
 		}
 
@@ -168,7 +170,6 @@ func (dir *Dir) Create(ctx context.Context, req *fuse.CreateRequest,
 
 	node = dir.newFile(req.Name, request.Entry)
 	file := node.(*File)
-	file.isOpen++
 	fh := dir.wfs.AcquireHandle(file, req.Uid, req.Gid)
 	return file, fh, nil
 
@@ -193,8 +194,9 @@ func (dir *Dir) Mkdir(ctx context.Context, req *fuse.MkdirRequest) (fs.Node, err
 	err := dir.wfs.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
 
 		request := &filer_pb.CreateEntryRequest{
-			Directory: dir.FullPath(),
-			Entry:     newEntry,
+			Directory:  dir.FullPath(),
+			Entry:      newEntry,
+			Signatures: []int32{dir.wfs.signature},
 		}
 
 		glog.V(1).Infof("mkdir: %v", request)
@@ -221,7 +223,7 @@ func (dir *Dir) Mkdir(ctx context.Context, req *fuse.MkdirRequest) (fs.Node, err
 
 func (dir *Dir) Lookup(ctx context.Context, req *fuse.LookupRequest, resp *fuse.LookupResponse) (node fs.Node, err error) {
 
-	glog.V(5).Infof("dir Lookup %s: %s by %s", dir.FullPath(), req.Name, req.Header.String())
+	glog.V(4).Infof("dir Lookup %s: %s by %s", dir.FullPath(), req.Name, req.Header.String())
 
 	fullFilePath := util.NewFullPath(dir.FullPath(), req.Name)
 	dirPath := util.FullPath(dir.FullPath())
@@ -240,7 +242,7 @@ func (dir *Dir) Lookup(ctx context.Context, req *fuse.LookupRequest, resp *fuse.
 			return nil, fuse.ENOENT
 		}
 	} else {
-		glog.V(5).Infof("dir Lookup cache hit %s", fullFilePath)
+		glog.V(4).Infof("dir Lookup cache hit %s", fullFilePath)
 	}
 
 	if entry != nil {
@@ -268,7 +270,7 @@ func (dir *Dir) Lookup(ctx context.Context, req *fuse.LookupRequest, resp *fuse.
 
 func (dir *Dir) ReadDirAll(ctx context.Context) (ret []fuse.Dirent, err error) {
 
-	glog.V(5).Infof("dir ReadDirAll %s", dir.FullPath())
+	glog.V(4).Infof("dir ReadDirAll %s", dir.FullPath())
 
 	processEachEntryFn := func(entry *filer_pb.Entry, isLast bool) error {
 		fullpath := util.NewFullPath(dir.FullPath(), entry.Name)
@@ -317,10 +319,9 @@ func (dir *Dir) removeOneFile(req *fuse.RemoveRequest) error {
 		return nil
 	}
 
-
 	// first, ensure the filer store can correctly delete
 	glog.V(3).Infof("remove file: %v", req)
-	err = filer_pb.Remove(dir.wfs, dir.FullPath(), req.Name, false, false, false, false)
+	err = filer_pb.Remove(dir.wfs, dir.FullPath(), req.Name, false, false, false, false, dir.wfs.signature)
 	if err != nil {
 		glog.V(3).Infof("not found remove file %s/%s: %v", dir.FullPath(), req.Name, err)
 		return fuse.ENOENT
@@ -340,10 +341,10 @@ func (dir *Dir) removeOneFile(req *fuse.RemoveRequest) error {
 func (dir *Dir) removeFolder(req *fuse.RemoveRequest) error {
 
 	glog.V(3).Infof("remove directory entry: %v", req)
-	err := filer_pb.Remove(dir.wfs, dir.FullPath(), req.Name, true, false, false, false)
+	err := filer_pb.Remove(dir.wfs, dir.FullPath(), req.Name, true, false, false, false, dir.wfs.signature)
 	if err != nil {
 		glog.V(0).Infof("remove %s/%s: %v", dir.FullPath(), req.Name, err)
-		if strings.Contains(err.Error(), "non-empty"){
+		if strings.Contains(err.Error(), "non-empty") {
 			return fuse.EEXIST
 		}
 		return fuse.ENOENT
@@ -434,7 +435,7 @@ func (dir *Dir) Listxattr(ctx context.Context, req *fuse.ListxattrRequest, resp
 }
 
 func (dir *Dir) Forget() {
-	glog.V(5).Infof("Forget dir %s", dir.FullPath())
+	glog.V(4).Infof("Forget dir %s", dir.FullPath())
 
 	dir.wfs.fsNodeCache.DeleteFsNode(util.FullPath(dir.FullPath()))
 }
@@ -458,8 +459,9 @@ func (dir *Dir) saveEntry() error {
 	return dir.wfs.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
 
 		request := &filer_pb.UpdateEntryRequest{
-			Directory: parentDir,
-			Entry:     dir.entry,
+			Directory:  parentDir,
+			Entry:      dir.entry,
+			Signatures: []int32{dir.wfs.signature},
 		}
 
 		glog.V(1).Infof("save dir entry: %v", request)

weed/filesys/dir_link.go

@@ -34,6 +34,7 @@ func (dir *Dir) Symlink(ctx context.Context, req *fuse.SymlinkRequest) (fs.Node,
 				SymlinkTarget: req.Target,
 			},
 		},
+		Signatures: []int32{dir.wfs.signature},
 	}
 
 	err := dir.wfs.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {

weed/filesys/dirty_page.go

@@ -29,10 +29,7 @@ var counter = int32(0)
 
 func (pages *ContinuousDirtyPages) AddPage(offset int64, data []byte) (chunks []*filer_pb.FileChunk, err error) {
 
-	pages.lock.Lock()
-	defer pages.lock.Unlock()
-
-	glog.V(5).Infof("%s AddPage [%d,%d) of %d bytes", pages.f.fullpath(), offset, offset+int64(len(data)), pages.f.entry.Attributes.FileSize)
+	glog.V(4).Infof("%s AddPage [%d,%d) of %d bytes", pages.f.fullpath(), offset, offset+int64(len(data)), pages.f.entry.Attributes.FileSize)
 
 	if len(data) > int(pages.f.wfs.option.ChunkSizeLimit) {
 		// this is more than what buffer can hold.
@@ -82,14 +79,6 @@ func (pages *ContinuousDirtyPages) flushAndSave(offset int64, data []byte) (chun
 	return
 }
 
-func (pages *ContinuousDirtyPages) FlushToStorage() (chunks []*filer_pb.FileChunk, err error) {
-
-	pages.lock.Lock()
-	defer pages.lock.Unlock()
-
-	return pages.saveExistingPagesToStorage()
-}
-
 func (pages *ContinuousDirtyPages) saveExistingPagesToStorage() (chunks []*filer_pb.FileChunk, err error) {
 
 	var hasSavedData bool
@@ -103,7 +92,9 @@ func (pages *ContinuousDirtyPages) saveExistingPagesToStorage() (chunks []*filer
 		}
 
 		if err == nil {
-			chunks = append(chunks, chunk)
+			if chunk != nil {
+				chunks = append(chunks, chunk)
+			}
 		} else {
 			return
 		}
@@ -121,9 +112,14 @@ func (pages *ContinuousDirtyPages) saveExistingLargestPageToStorage() (chunk *fi
 	fileSize := int64(pages.f.entry.Attributes.FileSize)
 	for {
 		chunkSize := min(maxList.Size(), fileSize-maxList.Offset())
+		if chunkSize == 0 {
+			return
+		}
 		chunk, err = pages.saveToStorage(maxList.ToReader(), maxList.Offset(), chunkSize)
 		if err == nil {
-			hasSavedData = true
+			if chunk != nil {
+				hasSavedData = true
+			}
 			glog.V(4).Infof("saveToStorage %s %s [%d,%d) of %d bytes", pages.f.fullpath(), chunk.GetFileIdString(), maxList.Offset(), maxList.Offset()+chunkSize, fileSize)
 			return
 		} else {
@@ -170,10 +166,5 @@ func min(x, y int64) int64 {
 }
 
 func (pages *ContinuousDirtyPages) ReadDirtyDataAt(data []byte, startOffset int64) (maxStop int64) {
-
-	pages.lock.Lock()
-	defer pages.lock.Unlock()
-
 	return pages.intervals.ReadDataAt(data, startOffset)
-
 }

weed/filesys/dirty_page_interval_test.go

@@ -2,6 +2,7 @@ package filesys
 
 import (
 	"bytes"
+	"math/rand"
 	"testing"
 )
 
@@ -66,6 +67,29 @@ func TestContinuousIntervals_RealCase1(t *testing.T) {
 
 }
 
+func TestRandomWrites(t *testing.T) {
+
+	c := &ContinuousIntervals{}
+
+	data := make([]byte, 1024)
+
+	for i := 0; i < 1024; i++ {
+
+		start, stop := rand.Intn(len(data)), rand.Intn(len(data))
+		if start > stop {
+			start, stop = stop, start
+		}
+
+		rand.Read(data[start : stop+1])
+
+		c.AddInterval(data[start:stop+1], int64(start))
+
+		expectedData(t, c, 0, data...)
+
+	}
+
+}
+
 func expectedData(t *testing.T, c *ContinuousIntervals, offset int, data ...byte) {
 	start, stop := int64(offset), int64(offset+len(data))
 	for _, list := range c.lists {

weed/filesys/file.go

@@ -45,7 +45,7 @@ func (file *File) fullpath() util.FullPath {
 
 func (file *File) Attr(ctx context.Context, attr *fuse.Attr) error {
 
-	glog.V(5).Infof("file Attr %s, open:%v, existing attr: %+v", file.fullpath(), file.isOpen, attr)
+	glog.V(4).Infof("file Attr %s, open:%v, existing attr: %+v", file.fullpath(), file.isOpen, attr)
 
 	if file.isOpen <= 0 {
 		if err := file.maybeLoadEntry(ctx); err != nil {
@@ -87,8 +87,6 @@ func (file *File) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.Op
 
 	glog.V(4).Infof("file %v open %+v", file.fullpath(), req)
 
-	file.isOpen++
-
 	handle := file.wfs.AcquireHandle(file, req.Uid, req.Gid)
 
 	resp.Handle = fuse.HandleID(handle.handle)
@@ -101,16 +99,26 @@ func (file *File) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.Op
 
 func (file *File) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *fuse.SetattrResponse) error {
 
-	glog.V(5).Infof("%v file setattr %+v", file.fullpath(), req)
+	glog.V(4).Infof("%v file setattr %+v", file.fullpath(), req)
 
 	if err := file.maybeLoadEntry(ctx); err != nil {
 		return err
 	}
+	if file.isOpen > 0 {
+		file.wfs.handlesLock.Lock()
+		fileHandle := file.wfs.handles[file.fullpath().AsInode()]
+		file.wfs.handlesLock.Unlock()
+
+		if fileHandle != nil {
+			fileHandle.Lock()
+			defer fileHandle.Unlock()
+		}
+	}
 
 	if req.Valid.Size() {
 
 		glog.V(4).Infof("%v file setattr set size=%v chunks=%d", file.fullpath(), req.Size, len(file.entry.Chunks))
-		if req.Size < filer2.TotalSize(file.entry.Chunks) {
+		if req.Size < filer2.FileSize(file.entry) {
 			// fmt.Printf("truncate %v \n", fullPath)
 			var chunks []*filer_pb.FileChunk
 			var truncatedChunks []*filer_pb.FileChunk
@@ -129,10 +137,10 @@ func (file *File) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *f
 					}
 				}
 			}
-			file.wfs.deleteFileChunks(truncatedChunks)
 			file.entry.Chunks = chunks
 			file.entryViewCache = nil
 			file.reader = nil
+			file.wfs.deleteFileChunks(truncatedChunks)
 		}
 		file.entry.Attributes.FileSize = req.Size
 		file.dirtyMetadata = true
@@ -237,12 +245,12 @@ func (file *File) Fsync(ctx context.Context, req *fuse.FsyncRequest) error {
 
 func (file *File) Forget() {
 	t := util.NewFullPath(file.dir.FullPath(), file.Name)
-	glog.V(5).Infof("Forget file %s", t)
+	glog.V(4).Infof("Forget file %s", t)
 	file.wfs.fsNodeCache.DeleteFsNode(t)
 }
 
 func (file *File) maybeLoadEntry(ctx context.Context) error {
-	if file.entry == nil || file.isOpen <= 0 {
+	if file.entry == nil && file.isOpen <= 0 {
 		entry, err := file.wfs.maybeLoadEntry(file.dir.FullPath(), file.Name)
 		if err != nil {
 			glog.V(3).Infof("maybeLoadEntry file %s/%s: %v", file.dir.FullPath(), file.Name, err)
@@ -258,15 +266,14 @@ func (file *File) maybeLoadEntry(ctx context.Context) error {
 func (file *File) addChunks(chunks []*filer_pb.FileChunk) {
 
 	sort.Slice(chunks, func(i, j int) bool {
+		if chunks[i].Mtime == chunks[j].Mtime {
+			return chunks[i].Fid.FileKey < chunks[j].Fid.FileKey
+		}
 		return chunks[i].Mtime < chunks[j].Mtime
 	})
 
-	var newVisibles []filer2.VisibleInterval
 	for _, chunk := range chunks {
-		newVisibles = filer2.MergeIntoVisibles(file.entryViewCache, newVisibles, chunk)
-		t := file.entryViewCache[:0]
-		file.entryViewCache = newVisibles
-		newVisibles = t
+		file.entryViewCache = filer2.MergeIntoVisibles(file.entryViewCache, chunk)
 	}
 
 	file.reader = nil
@@ -286,8 +293,9 @@ func (file *File) saveEntry() error {
 	return file.wfs.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
 
 		request := &filer_pb.UpdateEntryRequest{
-			Directory: file.dir.FullPath(),
-			Entry:     file.entry,
+			Directory:  file.dir.FullPath(),
+			Entry:      file.entry,
+			Signatures: []int32{file.wfs.signature},
 		}
 
 		glog.V(4).Infof("save file entry: %v", request)

weed/filesys/filehandle.go

@@ -7,6 +7,7 @@ import (
 	"math"
 	"net/http"
 	"os"
+	"sync"
 	"time"
 
 	"github.com/seaweedfs/fuse"
@@ -22,6 +23,7 @@ type FileHandle struct {
 	dirtyPages  *ContinuousDirtyPages
 	contentType string
 	handle      uint64
+	sync.RWMutex
 
 	f         *File
 	RequestId fuse.RequestID // unique ID for request
@@ -41,6 +43,7 @@ func newFileHandle(file *File, uid, gid uint32) *FileHandle {
 	if fh.f.entry != nil {
 		fh.f.entry.Attributes.FileSize = filer2.FileSize(fh.f.entry)
 	}
+
 	return fh
 }
 
@@ -55,6 +58,12 @@ var _ = fs.HandleReleaser(&FileHandle{})
 func (fh *FileHandle) Read(ctx context.Context, req *fuse.ReadRequest, resp *fuse.ReadResponse) error {
 
 	glog.V(4).Infof("%s read fh %d: [%d,%d) size %d resp.Data cap=%d", fh.f.fullpath(), fh.handle, req.Offset, req.Offset+int64(req.Size), req.Size, cap(resp.Data))
+	fh.RLock()
+	defer fh.RUnlock()
+
+	if req.Size <= 0 {
+		return nil
+	}
 
 	buff := resp.Data[:cap(resp.Data)]
 	if req.Size > cap(resp.Data) {
@@ -65,25 +74,27 @@ func (fh *FileHandle) Read(ctx context.Context, req *fuse.ReadRequest, resp *fus
 	totalRead, err := fh.readFromChunks(buff, req.Offset)
 	if err == nil {
 		maxStop := fh.readFromDirtyPages(buff, req.Offset)
-		totalRead = max(maxStop - req.Offset, totalRead)
+		totalRead = max(maxStop-req.Offset, totalRead)
 	}
 
 	if err != nil {
-		glog.Errorf("file handle read %s: %v", fh.f.fullpath(), err)
-		return fuse.EIO
+		glog.Warningf("file handle read %s %d: %v", fh.f.fullpath(), totalRead, err)
+		return nil
 	}
 
 	if totalRead > int64(len(buff)) {
 		glog.Warningf("%s FileHandle Read %d: [%d,%d) size %d totalRead %d", fh.f.fullpath(), fh.handle, req.Offset, req.Offset+int64(req.Size), req.Size, totalRead)
 		totalRead = min(int64(len(buff)), totalRead)
 	}
-	resp.Data = buff[:totalRead]
+	// resp.Data = buff[:totalRead]
+	resp.Data = buff
 
 	return err
 }
 
 func (fh *FileHandle) readFromDirtyPages(buff []byte, startOffset int64) (maxStop int64) {
-	return fh.dirtyPages.ReadDirtyDataAt(buff, startOffset)
+	maxStop = fh.dirtyPages.ReadDirtyDataAt(buff, startOffset)
+	return
 }
 
 func (fh *FileHandle) readFromChunks(buff []byte, offset int64) (int64, error) {
@@ -127,6 +138,9 @@ func (fh *FileHandle) readFromChunks(buff []byte, offset int64) (int64, error) {
 // Write to the file handle
 func (fh *FileHandle) Write(ctx context.Context, req *fuse.WriteRequest, resp *fuse.WriteResponse) error {
 
+	fh.Lock()
+	defer fh.Unlock()
+
 	// write the request to volume servers
 	data := make([]byte, len(req.Data))
 	copy(data, req.Data)
@@ -162,34 +176,46 @@ func (fh *FileHandle) Release(ctx context.Context, req *fuse.ReleaseRequest) err
 
 	glog.V(4).Infof("Release %v fh %d", fh.f.fullpath(), fh.handle)
 
+	fh.Lock()
+	defer fh.Unlock()
+
 	fh.f.isOpen--
 
-	if fh.f.isOpen <= 0 {
+	if fh.f.isOpen < 0 {
+		glog.V(0).Infof("Release reset %s open count %d => %d", fh.f.Name, fh.f.isOpen, 0)
+		fh.f.isOpen = 0
+		return nil
+	}
+
+	if fh.f.isOpen == 0 {
 		fh.doFlush(ctx, req.Header)
 		fh.f.wfs.ReleaseHandle(fh.f.fullpath(), fuse.HandleID(fh.handle))
-		fh.f.entryViewCache = nil
-		fh.f.reader = nil
 	}
 
 	return nil
 }
 
 func (fh *FileHandle) Flush(ctx context.Context, req *fuse.FlushRequest) error {
+
+	fh.Lock()
+	defer fh.Unlock()
+
 	return fh.doFlush(ctx, req.Header)
 }
 
 func (fh *FileHandle) doFlush(ctx context.Context, header fuse.Header) error {
 	// fflush works at fh level
 	// send the data to the OS
-	glog.V(4).Infof("doFlush %s fh %d %v", fh.f.fullpath(), fh.handle, header)
+	glog.V(4).Infof("doFlush %s fh %d", fh.f.fullpath(), fh.handle)
 
-	chunks, err := fh.dirtyPages.FlushToStorage()
+	chunks, err := fh.dirtyPages.saveExistingPagesToStorage()
 	if err != nil {
 		glog.Errorf("flush %s: %v", fh.f.fullpath(), err)
 		return fuse.EIO
 	}
 
 	if len(chunks) > 0 {
+
 		fh.f.addChunks(chunks)
 		fh.f.dirtyMetadata = true
 	}
@@ -218,8 +244,9 @@ func (fh *FileHandle) doFlush(ctx context.Context, header fuse.Header) error {
 		}
 
 		request := &filer_pb.CreateEntryRequest{
-			Directory: fh.f.dir.FullPath(),
-			Entry:     fh.f.entry,
+			Directory:  fh.f.dir.FullPath(),
+			Entry:      fh.f.entry,
+			Signatures: []int32{fh.f.wfs.signature},
 		}
 
 		glog.V(4).Infof("%s set chunks: %v", fh.f.fullpath(), len(fh.f.entry.Chunks))
@@ -227,18 +254,16 @@ func (fh *FileHandle) doFlush(ctx context.Context, header fuse.Header) error {
 			glog.V(4).Infof("%s chunks %d: %v [%d,%d)", fh.f.fullpath(), i, chunk.GetFileIdString(), chunk.Offset, chunk.Offset+int64(chunk.Size))
 		}
 
-		chunks, garbages := filer2.CompactFileChunks(filer2.LookupFn(fh.f.wfs), fh.f.entry.Chunks)
+		manifestChunks, nonManifestChunks := filer2.SeparateManifestChunks(fh.f.entry.Chunks)
+
+		chunks, _ := filer2.CompactFileChunks(filer2.LookupFn(fh.f.wfs), nonManifestChunks)
 		chunks, manifestErr := filer2.MaybeManifestize(fh.f.wfs.saveDataAsChunk(fh.f.dir.FullPath()), chunks)
 		if manifestErr != nil {
 			// not good, but should be ok
 			glog.V(0).Infof("MaybeManifestize: %v", manifestErr)
 		}
-		fh.f.entry.Chunks = chunks
-		// fh.f.entryViewCache = nil
-
-		// special handling of one chunk md5
-		if len(chunks) == 1 {
-		}
+		fh.f.entry.Chunks = append(chunks, manifestChunks...)
+		fh.f.entryViewCache = nil
 
 		if err := filer_pb.CreateEntry(client, request); err != nil {
 			glog.Errorf("fh flush create %s: %v", fh.f.fullpath(), err)
@@ -247,11 +272,6 @@ func (fh *FileHandle) doFlush(ctx context.Context, header fuse.Header) error {
 
 		fh.f.wfs.metaCache.InsertEntry(context.Background(), filer2.FromPbEntry(request.Directory, request.Entry))
 
-		fh.f.wfs.deleteFileChunks(garbages)
-		for i, chunk := range garbages {
-			glog.V(4).Infof("garbage %s chunks %d: %v [%d,%d)", fh.f.fullpath(), i, chunk.GetFileIdString(), chunk.Offset, chunk.Offset+int64(chunk.Size))
-		}
-
 		return nil
 	})
 

weed/filesys/fscache_test.go

@@ -95,7 +95,6 @@ func TestFsCacheMove(t *testing.T) {
 
 }
 
-
 func TestFsCacheMove2(t *testing.T) {
 
 	cache := newFsCache(nil)
@@ -114,4 +113,3 @@ func TestFsCacheMove2(t *testing.T) {
 	}
 
 }
-

weed/filesys/meta_cache/meta_cache.go

@@ -50,6 +50,10 @@ func openMetaStore(dbFolder string) filer2.FilerStore {
 func (mc *MetaCache) InsertEntry(ctx context.Context, entry *filer2.Entry) error {
 	mc.Lock()
 	defer mc.Unlock()
+	return mc.doInsertEntry(ctx, entry)
+}
+
+func (mc *MetaCache) doInsertEntry(ctx context.Context, entry *filer2.Entry) error {
 	filer_pb.BeforeEntrySerialization(entry.Chunks)
 	return mc.actualStore.InsertEntry(ctx, entry)
 }

weed/filesys/meta_cache/meta_cache_init.go

@@ -14,11 +14,11 @@ func EnsureVisited(mc *MetaCache, client filer_pb.FilerClient, dirPath util.Full
 
 	mc.visitedBoundary.EnsureVisited(dirPath, func(path util.FullPath) (childDirectories []string, err error) {
 
-		glog.V(5).Infof("ReadDirAllEntries %s ...", path)
+		glog.V(4).Infof("ReadDirAllEntries %s ...", path)
 
 		err = filer_pb.ReadDirAllEntries(client, dirPath, "", func(pbEntry *filer_pb.Entry, isLast bool) error {
 			entry := filer2.FromPbEntry(string(dirPath), pbEntry)
-			if err := mc.InsertEntry(context.Background(), entry); err != nil {
+			if err := mc.doInsertEntry(context.Background(), entry); err != nil {
 				glog.V(0).Infof("read %s: %v", entry.FullPath, err)
 				return err
 			}

weed/filesys/meta_cache/meta_cache_subscribe.go

@@ -12,10 +12,17 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/util"
 )
 
-func SubscribeMetaEvents(mc *MetaCache, client filer_pb.FilerClient, dir string, lastTsNs int64) error {
+func SubscribeMetaEvents(mc *MetaCache, selfSignature int32, client filer_pb.FilerClient, dir string, lastTsNs int64) error {
 
 	processEventFn := func(resp *filer_pb.SubscribeMetadataResponse) error {
 		message := resp.EventNotification
+
+		for _, sig := range message.Signatures {
+			if sig == selfSignature && selfSignature != 0 {
+				return nil
+			}
+		}
+
 		var oldPath util.FullPath
 		var newEntry *filer2.Entry
 		if message.OldEntry != nil {
@@ -41,6 +48,7 @@ func SubscribeMetaEvents(mc *MetaCache, client filer_pb.FilerClient, dir string,
 				ClientName: "mount",
 				PathPrefix: dir,
 				SinceNs:    lastTsNs,
+				Signature:  selfSignature,
 			})
 			if err != nil {
 				return fmt.Errorf("subscribe: %v", err)

weed/filesys/wfs.go

@@ -67,6 +67,7 @@ type WFS struct {
 
 	chunkCache *chunk_cache.TieredChunkCache
 	metaCache  *meta_cache.MetaCache
+	signature  int32
 }
 type statsCache struct {
 	filer_pb.StatisticsResponse
@@ -82,6 +83,7 @@ func NewSeaweedFileSystem(option *Option) *WFS {
 				return make([]byte, option.ChunkSizeLimit)
 			},
 		},
+		signature: util.RandomInt32(),
 	}
 	cacheUniqueId := util.Md5String([]byte(option.FilerGrpcAddress + option.FilerMountRootPath + util.Version()))[0:4]
 	cacheDir := path.Join(option.CacheDir, cacheUniqueId)
@@ -92,7 +94,7 @@ func NewSeaweedFileSystem(option *Option) *WFS {
 
 	wfs.metaCache = meta_cache.NewMetaCache(path.Join(cacheDir, "meta"))
 	startTime := time.Now()
-	go meta_cache.SubscribeMetaEvents(wfs.metaCache, wfs, wfs.option.FilerMountRootPath, startTime.UnixNano())
+	go meta_cache.SubscribeMetaEvents(wfs.metaCache, wfs.signature, wfs, wfs.option.FilerMountRootPath, startTime.UnixNano())
 	grace.OnInterrupt(func() {
 		wfs.metaCache.Shutdown()
 	})
@@ -118,10 +120,14 @@ func (wfs *WFS) AcquireHandle(file *File, uid, gid uint32) (fileHandle *FileHand
 	inodeId := file.fullpath().AsInode()
 	existingHandle, found := wfs.handles[inodeId]
 	if found && existingHandle != nil {
+		file.isOpen++
 		return existingHandle
 	}
 
 	fileHandle = newFileHandle(file, uid, gid)
+	file.maybeLoadEntry(context.Background())
+	file.isOpen++
+
 	wfs.handles[inodeId] = fileHandle
 	fileHandle.handle = inodeId
 
@@ -142,7 +148,7 @@ func (wfs *WFS) ReleaseHandle(fullpath util.FullPath, handleId fuse.HandleID) {
 // Statfs is called to obtain file system metadata. Implements fuse.FSStatfser
 func (wfs *WFS) Statfs(ctx context.Context, req *fuse.StatfsRequest, resp *fuse.StatfsResponse) error {
 
-	glog.V(5).Infof("reading fs stats: %+v", req)
+	glog.V(4).Infof("reading fs stats: %+v", req)
 
 	if wfs.stats.lastChecked < time.Now().Unix()-20 {
 
@@ -154,13 +160,13 @@ func (wfs *WFS) Statfs(ctx context.Context, req *fuse.StatfsRequest, resp *fuse.
 				Ttl:         fmt.Sprintf("%ds", wfs.option.TtlSec),
 			}
 
-			glog.V(5).Infof("reading filer stats: %+v", request)
+			glog.V(4).Infof("reading filer stats: %+v", request)
 			resp, err := client.Statistics(context.Background(), request)
 			if err != nil {
 				glog.V(0).Infof("reading filer stats %v: %v", request, err)
 				return err
 			}
-			glog.V(5).Infof("read filer stats: %+v", resp)
+			glog.V(4).Infof("read filer stats: %+v", resp)
 
 			wfs.stats.TotalSize = resp.TotalSize
 			wfs.stats.UsedSize = resp.UsedSize

weed/filesys/wfs_deletion.go

@@ -18,6 +18,17 @@ func (wfs *WFS) deleteFileChunks(chunks []*filer_pb.FileChunk) {
 
 	var fileIds []string
 	for _, chunk := range chunks {
+		if !chunk.IsChunkManifest {
+			fileIds = append(fileIds, chunk.GetFileIdString())
+			continue
+		}
+		dataChunks, manifestResolveErr := filer2.ResolveOneChunkManifest(filer2.LookupFn(wfs), chunk)
+		if manifestResolveErr != nil {
+			glog.V(0).Infof("failed to resolve manifest %s: %v", chunk.FileId, manifestResolveErr)
+		}
+		for _, dChunk := range dataChunks {
+			fileIds = append(fileIds, dChunk.GetFileIdString())
+		}
 		fileIds = append(fileIds, chunk.GetFileIdString())
 	}
 
@@ -38,7 +49,7 @@ func (wfs *WFS) deleteFileIds(grpcDialOption grpc.DialOption, client filer_pb.Se
 
 		m := make(map[string]operation.LookupResult)
 
-		glog.V(5).Infof("deleteFileIds lookup volume id locations: %v", vids)
+		glog.V(4).Infof("deleteFileIds lookup volume id locations: %v", vids)
 		resp, err := client.LookupVolume(context.Background(), &filer_pb.LookupVolumeRequest{
 			VolumeIds: vids,
 		})

weed/filesys/xattr.go

@@ -119,5 +119,5 @@ func (wfs *WFS) maybeLoadEntry(dir, name string) (entry *filer_pb.Entry, err err
 	if cacheErr == filer_pb.ErrNotFound {
 		return nil, fuse.ENOENT
 	}
-	return cachedEntry.ToProtoEntry(), nil
+	return cachedEntry.ToProtoEntry(), cacheErr
 }

weed/messaging/broker/broker_grpc_server.go

@@ -19,7 +19,7 @@ func (broker *MessageBroker) DeleteTopic(c context.Context, request *messaging_p
 	if exists, err := filer_pb.Exists(broker, dir, entry, true); err != nil {
 		return nil, err
 	} else if exists {
-		err = filer_pb.Remove(broker, dir, entry, true, true, true, false)
+		err = filer_pb.Remove(broker, dir, entry, true, true, true, false, 0)
 	}
 	return resp, nil
 }

weed/messaging/broker/broker_grpc_server_publish.go

@@ -85,7 +85,7 @@ func (broker *MessageBroker) Publish(stream messaging_pb.SeaweedMessaging_Publis
 			continue
 		}
 
-		tl.logBuffer.AddToBuffer(in.Data.Key, data)
+		tl.logBuffer.AddToBuffer(in.Data.Key, data, in.Data.EventTimeNs)
 
 		if in.Data.IsClose {
 			// println("server received closing")

weed/messaging/broker/broker_grpc_server_subscribe.go

@@ -125,6 +125,7 @@ func (broker *MessageBroker) Subscribe(stream messaging_pb.SeaweedMessaging_Subs
 }
 
 func (broker *MessageBroker) readPersistedLogBuffer(tp *TopicPartition, startTime time.Time, eachLogEntryFn func(logEntry *filer_pb.LogEntry) error) (err error) {
+	startTime = startTime.UTC()
 	startDate := fmt.Sprintf("%04d-%02d-%02d", startTime.Year(), startTime.Month(), startTime.Day())
 	startHourMinute := fmt.Sprintf("%02d-%02d.segment", startTime.Hour(), startTime.Minute())
 

weed/messaging/broker/topic_manager.go

@@ -56,6 +56,7 @@ func (tm *TopicManager) buildLogBuffer(tl *TopicControl, tp TopicPartition, topi
 
 		// fmt.Printf("flushing with topic config %+v\n", topicConfig)
 
+		startTime, stopTime = startTime.UTC(), stopTime.UTC()
 		targetFile := fmt.Sprintf(
 			"%s/%s/%s/%04d-%02d-%02d/%02d-%02d.part%02d",
 			filer2.TopicsDir, tp.Namespace, tp.Topic,

weed/operation/upload_content.go

@@ -3,7 +3,6 @@ package operation
 import (
 	"bytes"
 	"encoding/json"
-	"errors"
 	"fmt"
 	"io"
 	"io/ioutil"
@@ -210,8 +209,8 @@ func upload_content(uploadUrl string, fillBufferFunction func(w io.Writer) error
 
 	req, postErr := http.NewRequest("POST", uploadUrl, body_buf)
 	if postErr != nil {
-		glog.V(1).Infof("failing to upload to %s: %v", uploadUrl, postErr)
-		return nil, fmt.Errorf("failing to upload to %s: %v", uploadUrl, postErr)
+		glog.V(1).Infof("create upload request %s: %v", uploadUrl, postErr)
+		return nil, fmt.Errorf("create upload request %s: %v", uploadUrl, postErr)
 	}
 	req.Header.Set("Content-Type", content_type)
 	for k, v := range pairMap {
@@ -222,10 +221,10 @@ func upload_content(uploadUrl string, fillBufferFunction func(w io.Writer) error
 	}
 	resp, post_err := HttpClient.Do(req)
 	if post_err != nil {
-		glog.V(1).Infof("failing to upload to %v: %v", uploadUrl, post_err)
-		return nil, fmt.Errorf("failing to upload to %v: %v", uploadUrl, post_err)
+		glog.Errorf("upload to %v: %v", uploadUrl, post_err)
+		return nil, fmt.Errorf("upload to %v: %v", uploadUrl, post_err)
 	}
-	defer resp.Body.Close()
+	defer util.CloseResponse(resp)
 
 	var ret UploadResult
 	etag := getEtag(resp)
@@ -233,17 +232,19 @@ func upload_content(uploadUrl string, fillBufferFunction func(w io.Writer) error
 		ret.ETag = etag
 		return &ret, nil
 	}
+
 	resp_body, ra_err := ioutil.ReadAll(resp.Body)
 	if ra_err != nil {
-		return nil, ra_err
+		return nil, fmt.Errorf("read response body %v: %v", uploadUrl, ra_err)
 	}
+
 	unmarshal_err := json.Unmarshal(resp_body, &ret)
 	if unmarshal_err != nil {
-		glog.V(0).Infoln("failing to read upload response", uploadUrl, string(resp_body))
-		return nil, unmarshal_err
+		glog.Errorf("unmarshal %s: %v", uploadUrl, string(resp_body))
+		return nil, fmt.Errorf("unmarshal %v: %v", uploadUrl, unmarshal_err)
 	}
 	if ret.Error != "" {
-		return nil, errors.New(ret.Error)
+		return nil, fmt.Errorf("unmarshalled error %v: %v", uploadUrl, ret.Error)
 	}
 	ret.ETag = etag
 	ret.ContentMd5 = resp.Header.Get("Content-MD5")

weed/pb/filer.proto

@@ -102,6 +102,7 @@ message EventNotification {
     bool delete_chunks = 3;
     string new_parent_path = 4;
     bool is_from_other_cluster = 5;
+    repeated int32 signatures = 6;
 }
 
 message FileChunk {
@@ -150,6 +151,7 @@ message CreateEntryRequest {
     Entry entry = 2;
     bool o_excl = 3;
     bool is_from_other_cluster = 4;
+    repeated int32 signatures = 5;
 }
 
 message CreateEntryResponse {
@@ -160,6 +162,7 @@ message UpdateEntryRequest {
     string directory = 1;
     Entry entry = 2;
     bool is_from_other_cluster = 3;
+    repeated int32 signatures = 4;
 }
 message UpdateEntryResponse {
 }
@@ -180,6 +183,7 @@ message DeleteEntryRequest {
     bool is_recursive = 5;
     bool ignore_recursive_error = 6;
     bool is_from_other_cluster = 7;
+    repeated int32 signatures = 8;
 }
 
 message DeleteEntryResponse {
@@ -268,6 +272,7 @@ message SubscribeMetadataRequest {
     string client_name = 1;
     string path_prefix = 2;
     int64 since_ns = 3;
+    int32 signature = 4;
 }
 message SubscribeMetadataResponse {
     string directory = 1;

weed/pb/filer_pb/filer.pb.go

@@ -396,11 +396,12 @@ type EventNotification struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	OldEntry           *Entry `protobuf:"bytes,1,opt,name=old_entry,json=oldEntry,proto3" json:"old_entry,omitempty"`
-	NewEntry           *Entry `protobuf:"bytes,2,opt,name=new_entry,json=newEntry,proto3" json:"new_entry,omitempty"`
-	DeleteChunks       bool   `protobuf:"varint,3,opt,name=delete_chunks,json=deleteChunks,proto3" json:"delete_chunks,omitempty"`
-	NewParentPath      string `protobuf:"bytes,4,opt,name=new_parent_path,json=newParentPath,proto3" json:"new_parent_path,omitempty"`
-	IsFromOtherCluster bool   `protobuf:"varint,5,opt,name=is_from_other_cluster,json=isFromOtherCluster,proto3" json:"is_from_other_cluster,omitempty"`
+	OldEntry           *Entry  `protobuf:"bytes,1,opt,name=old_entry,json=oldEntry,proto3" json:"old_entry,omitempty"`
+	NewEntry           *Entry  `protobuf:"bytes,2,opt,name=new_entry,json=newEntry,proto3" json:"new_entry,omitempty"`
+	DeleteChunks       bool    `protobuf:"varint,3,opt,name=delete_chunks,json=deleteChunks,proto3" json:"delete_chunks,omitempty"`
+	NewParentPath      string  `protobuf:"bytes,4,opt,name=new_parent_path,json=newParentPath,proto3" json:"new_parent_path,omitempty"`
+	IsFromOtherCluster bool    `protobuf:"varint,5,opt,name=is_from_other_cluster,json=isFromOtherCluster,proto3" json:"is_from_other_cluster,omitempty"`
+	Signatures         []int32 `protobuf:"varint,6,rep,packed,name=signatures,proto3" json:"signatures,omitempty"`
 }
 
 func (x *EventNotification) Reset() {
@@ -470,6 +471,13 @@ func (x *EventNotification) GetIsFromOtherCluster() bool {
 	return false
 }
 
+func (x *EventNotification) GetSignatures() []int32 {
+	if x != nil {
+		return x.Signatures
+	}
+	return nil
+}
+
 type FileChunk struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -863,10 +871,11 @@ type CreateEntryRequest struct {
 	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"`
-	OExcl              bool   `protobuf:"varint,3,opt,name=o_excl,json=oExcl,proto3" json:"o_excl,omitempty"`
-	IsFromOtherCluster bool   `protobuf:"varint,4,opt,name=is_from_other_cluster,json=isFromOtherCluster,proto3" json:"is_from_other_cluster,omitempty"`
+	Directory          string  `protobuf:"bytes,1,opt,name=directory,proto3" json:"directory,omitempty"`
+	Entry              *Entry  `protobuf:"bytes,2,opt,name=entry,proto3" json:"entry,omitempty"`
+	OExcl              bool    `protobuf:"varint,3,opt,name=o_excl,json=oExcl,proto3" json:"o_excl,omitempty"`
+	IsFromOtherCluster bool    `protobuf:"varint,4,opt,name=is_from_other_cluster,json=isFromOtherCluster,proto3" json:"is_from_other_cluster,omitempty"`
+	Signatures         []int32 `protobuf:"varint,5,rep,packed,name=signatures,proto3" json:"signatures,omitempty"`
 }
 
 func (x *CreateEntryRequest) Reset() {
@@ -929,6 +938,13 @@ func (x *CreateEntryRequest) GetIsFromOtherCluster() bool {
 	return false
 }
 
+func (x *CreateEntryRequest) GetSignatures() []int32 {
+	if x != nil {
+		return x.Signatures
+	}
+	return nil
+}
+
 type CreateEntryResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -981,9 +997,10 @@ type UpdateEntryRequest struct {
 	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"`
-	IsFromOtherCluster bool   `protobuf:"varint,3,opt,name=is_from_other_cluster,json=isFromOtherCluster,proto3" json:"is_from_other_cluster,omitempty"`
+	Directory          string  `protobuf:"bytes,1,opt,name=directory,proto3" json:"directory,omitempty"`
+	Entry              *Entry  `protobuf:"bytes,2,opt,name=entry,proto3" json:"entry,omitempty"`
+	IsFromOtherCluster bool    `protobuf:"varint,3,opt,name=is_from_other_cluster,json=isFromOtherCluster,proto3" json:"is_from_other_cluster,omitempty"`
+	Signatures         []int32 `protobuf:"varint,4,rep,packed,name=signatures,proto3" json:"signatures,omitempty"`
 }
 
 func (x *UpdateEntryRequest) Reset() {
@@ -1039,6 +1056,13 @@ func (x *UpdateEntryRequest) GetIsFromOtherCluster() bool {
 	return false
 }
 
+func (x *UpdateEntryRequest) GetSignatures() []int32 {
+	if x != nil {
+		return x.Signatures
+	}
+	return nil
+}
+
 type UpdateEntryResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1186,10 +1210,11 @@ type DeleteEntryRequest struct {
 	Directory string `protobuf:"bytes,1,opt,name=directory,proto3" json:"directory,omitempty"`
 	Name      string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
 	// bool is_directory = 3;
-	IsDeleteData         bool `protobuf:"varint,4,opt,name=is_delete_data,json=isDeleteData,proto3" json:"is_delete_data,omitempty"`
-	IsRecursive          bool `protobuf:"varint,5,opt,name=is_recursive,json=isRecursive,proto3" json:"is_recursive,omitempty"`
-	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"`
+	IsDeleteData         bool    `protobuf:"varint,4,opt,name=is_delete_data,json=isDeleteData,proto3" json:"is_delete_data,omitempty"`
+	IsRecursive          bool    `protobuf:"varint,5,opt,name=is_recursive,json=isRecursive,proto3" json:"is_recursive,omitempty"`
+	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"`
 }
 
 func (x *DeleteEntryRequest) Reset() {
@@ -1266,6 +1291,13 @@ func (x *DeleteEntryRequest) GetIsFromOtherCluster() bool {
 	return false
 }
 
+func (x *DeleteEntryRequest) GetSignatures() []int32 {
+	if x != nil {
+		return x.Signatures
+	}
+	return nil
+}
+
 type DeleteEntryResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -2176,6 +2208,7 @@ type SubscribeMetadataRequest struct {
 	ClientName string `protobuf:"bytes,1,opt,name=client_name,json=clientName,proto3" json:"client_name,omitempty"`
 	PathPrefix string `protobuf:"bytes,2,opt,name=path_prefix,json=pathPrefix,proto3" json:"path_prefix,omitempty"`
 	SinceNs    int64  `protobuf:"varint,3,opt,name=since_ns,json=sinceNs,proto3" json:"since_ns,omitempty"`
+	Signature  int32  `protobuf:"varint,4,opt,name=signature,proto3" json:"signature,omitempty"`
 }
 
 func (x *SubscribeMetadataRequest) Reset() {
@@ -2231,6 +2264,13 @@ func (x *SubscribeMetadataRequest) GetSinceNs() int64 {
 	return 0
 }
 
+func (x *SubscribeMetadataRequest) GetSignature() int32 {
+	if x != nil {
+		return x.Signature
+	}
+	return 0
+}
+
 type SubscribeMetadataResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -2669,7 +2709,7 @@ var file_filer_proto_rawDesc = []byte{
 	0x69, 0x72, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x64, 0x69, 0x72, 0x12, 0x25, 0x0a,
 	0x05, 0x65, 0x6e, 0x74, 0x72, 0x79, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x0f, 0x2e, 0x66,
 	0x69, 0x6c, 0x65, 0x72, 0x5f, 0x70, 0x62, 0x2e, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x52, 0x05, 0x65,
-	0x6e, 0x74, 0x72, 0x79, 0x22, 0xef, 0x01, 0x0a, 0x11, 0x45, 0x76, 0x65, 0x6e, 0x74, 0x4e, 0x6f,
+	0x6e, 0x74, 0x72, 0x79, 0x22, 0x8f, 0x02, 0x0a, 0x11, 0x45, 0x76, 0x65, 0x6e, 0x74, 0x4e, 0x6f,
 	0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x2c, 0x0a, 0x09, 0x6f, 0x6c,
 	0x64, 0x5f, 0x65, 0x6e, 0x74, 0x72, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x0f, 0x2e,
 	0x66, 0x69, 0x6c, 0x65, 0x72, 0x5f, 0x70, 0x62, 0x2e, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x52, 0x08,
@@ -2684,7 +2724,9 @@ var file_filer_proto_rawDesc = []byte{
 	0x61, 0x74, 0x68, 0x12, 0x31, 0x0a, 0x15, 0x69, 0x73, 0x5f, 0x66, 0x72, 0x6f, 0x6d, 0x5f, 0x6f,
 	0x74, 0x68, 0x65, 0x72, 0x5f, 0x63, 0x6c, 0x75, 0x73, 0x74, 0x65, 0x72, 0x18, 0x05, 0x20, 0x01,
 	0x28, 0x08, 0x52, 0x12, 0x69, 0x73, 0x46, 0x72, 0x6f, 0x6d, 0x4f, 0x74, 0x68, 0x65, 0x72, 0x43,
-	0x6c, 0x75, 0x73, 0x74, 0x65, 0x72, 0x22, 0xe6, 0x02, 0x0a, 0x09, 0x46, 0x69, 0x6c, 0x65, 0x43,
+	0x6c, 0x75, 0x73, 0x74, 0x65, 0x72, 0x12, 0x1e, 0x0a, 0x0a, 0x73, 0x69, 0x67, 0x6e, 0x61, 0x74,
+	0x75, 0x72, 0x65, 0x73, 0x18, 0x06, 0x20, 0x03, 0x28, 0x05, 0x52, 0x0a, 0x73, 0x69, 0x67, 0x6e,
+	0x61, 0x74, 0x75, 0x72, 0x65, 0x73, 0x22, 0xe6, 0x02, 0x0a, 0x09, 0x46, 0x69, 0x6c, 0x65, 0x43,
 	0x68, 0x75, 0x6e, 0x6b, 0x12, 0x17, 0x0a, 0x07, 0x66, 0x69, 0x6c, 0x65, 0x5f, 0x69, 0x64, 0x18,
 	0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x66, 0x69, 0x6c, 0x65, 0x49, 0x64, 0x12, 0x16, 0x0a,
 	0x06, 0x6f, 0x66, 0x66, 0x73, 0x65, 0x74, 0x18, 0x02, 0x20, 0x01, 0x28, 0x03, 0x52, 0x06, 0x6f,
@@ -2740,7 +2782,7 @@ var file_filer_proto_rawDesc = []byte{
 	0x70, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x25, 0x0a, 0x0e, 0x73, 0x79, 0x6d, 0x6c, 0x69, 0x6e, 0x6b,
 	0x5f, 0x74, 0x61, 0x72, 0x67, 0x65, 0x74, 0x18, 0x0d, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0d, 0x73,
 	0x79, 0x6d, 0x6c, 0x69, 0x6e, 0x6b, 0x54, 0x61, 0x72, 0x67, 0x65, 0x74, 0x12, 0x10, 0x0a, 0x03,
-	0x6d, 0x64, 0x35, 0x18, 0x0e, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x03, 0x6d, 0x64, 0x35, 0x22, 0xa3,
+	0x6d, 0x64, 0x35, 0x18, 0x0e, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x03, 0x6d, 0x64, 0x35, 0x22, 0xc3,
 	0x01, 0x0a, 0x12, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x52, 0x65,
 	0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x1c, 0x0a, 0x09, 0x64, 0x69, 0x72, 0x65, 0x63, 0x74, 0x6f,
 	0x72, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x64, 0x69, 0x72, 0x65, 0x63, 0x74,
@@ -2751,10 +2793,12 @@ var file_filer_proto_rawDesc = []byte{
 	0x6c, 0x12, 0x31, 0x0a, 0x15, 0x69, 0x73, 0x5f, 0x66, 0x72, 0x6f, 0x6d, 0x5f, 0x6f, 0x74, 0x68,
 	0x65, 0x72, 0x5f, 0x63, 0x6c, 0x75, 0x73, 0x74, 0x65, 0x72, 0x18, 0x04, 0x20, 0x01, 0x28, 0x08,
 	0x52, 0x12, 0x69, 0x73, 0x46, 0x72, 0x6f, 0x6d, 0x4f, 0x74, 0x68, 0x65, 0x72, 0x43, 0x6c, 0x75,
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+	0x73, 0x74, 0x65, 0x72, 0x12, 0x1e, 0x0a, 0x0a, 0x73, 0x69, 0x67, 0x6e, 0x61, 0x74, 0x75, 0x72,
+	0x65, 0x73, 0x18, 0x05, 0x20, 0x03, 0x28, 0x05, 0x52, 0x0a, 0x73, 0x69, 0x67, 0x6e, 0x61, 0x74,
+	0x75, 0x72, 0x65, 0x73, 0x22, 0x2b, 0x0a, 0x13, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x45, 0x6e,
 	0x74, 0x72, 0x79, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x14, 0x0a, 0x05, 0x65,
 	0x72, 0x72, 0x6f, 0x72, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x65, 0x72, 0x72, 0x6f,
-	0x72, 0x22, 0x8c, 0x01, 0x0a, 0x12, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65, 0x45, 0x6e, 0x74, 0x72,
+	0x72, 0x22, 0xac, 0x01, 0x0a, 0x12, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65, 0x45, 0x6e, 0x74, 0x72,
 	0x79, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x1c, 0x0a, 0x09, 0x64, 0x69, 0x72, 0x65,
 	0x63, 0x74, 0x6f, 0x72, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x64, 0x69, 0x72,
 	0x65, 0x63, 0x74, 0x6f, 0x72, 0x79, 0x12, 0x25, 0x0a, 0x05, 0x65, 0x6e, 0x74, 0x72, 0x79, 0x18,
@@ -2763,6 +2807,8 @@ var file_filer_proto_rawDesc = []byte{
 	0x15, 0x69, 0x73, 0x5f, 0x66, 0x72, 0x6f, 0x6d, 0x5f, 0x6f, 0x74, 0x68, 0x65, 0x72, 0x5f, 0x63,
 	0x6c, 0x75, 0x73, 0x74, 0x65, 0x72, 0x18, 0x03, 0x20, 0x01, 0x28, 0x08, 0x52, 0x12, 0x69, 0x73,
 	0x46, 0x72, 0x6f, 0x6d, 0x4f, 0x74, 0x68, 0x65, 0x72, 0x43, 0x6c, 0x75, 0x73, 0x74, 0x65, 0x72,
+	0x12, 0x1e, 0x0a, 0x0a, 0x73, 0x69, 0x67, 0x6e, 0x61, 0x74, 0x75, 0x72, 0x65, 0x73, 0x18, 0x04,
+	0x20, 0x03, 0x28, 0x05, 0x52, 0x0a, 0x73, 0x69, 0x67, 0x6e, 0x61, 0x74, 0x75, 0x72, 0x65, 0x73,
 	0x22, 0x15, 0x0a, 0x13, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x52,
 	0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x80, 0x01, 0x0a, 0x14, 0x41, 0x70, 0x70, 0x65,
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@@ -2774,7 +2820,7 @@ var file_filer_proto_rawDesc = []byte{
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+	0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

weed/pb/filer_pb/filer_client.go

@@ -83,7 +83,7 @@ func doList(filerClient FilerClient, fullDirPath util.FullPath, prefix string, f
 			InclusiveStartFrom: inclusive,
 		}
 
-		glog.V(5).Infof("read directory: %v", request)
+		glog.V(4).Infof("read directory: %v", request)
 		ctx, cancel := context.WithCancel(context.Background())
 		stream, err := client.ListEntries(ctx, request)
 		if err != nil {
@@ -214,24 +214,28 @@ func MkFile(filerClient FilerClient, parentDirectoryPath string, fileName string
 	})
 }
 
-func Remove(filerClient FilerClient, parentDirectoryPath, name string, isDeleteData, isRecursive, ignoreRecursiveErr, isFromOtherCluster bool) error {
+func Remove(filerClient FilerClient, parentDirectoryPath, name string, isDeleteData, isRecursive, ignoreRecursiveErr, isFromOtherCluster bool, signature int32) error {
 	return filerClient.WithFilerClient(func(client SeaweedFilerClient) error {
 
-		if resp, err := client.DeleteEntry(context.Background(), &DeleteEntryRequest{
+		deleteEntryRequest := &DeleteEntryRequest{
 			Directory:            parentDirectoryPath,
 			Name:                 name,
 			IsDeleteData:         isDeleteData,
 			IsRecursive:          isRecursive,
 			IgnoreRecursiveError: ignoreRecursiveErr,
 			IsFromOtherCluster:   isFromOtherCluster,
-		}); err != nil {
-			if strings.Contains(err.Error(), ErrNotFound.Error()){
+		}
+		if signature != 0 {
+			deleteEntryRequest.Signatures = []int32{signature}
+		}
+		if resp, err := client.DeleteEntry(context.Background(), deleteEntryRequest); err != nil {
+			if strings.Contains(err.Error(), ErrNotFound.Error()) {
 				return nil
 			}
 			return err
 		} else {
 			if resp.Error != "" {
-				if strings.Contains(resp.Error, ErrNotFound.Error()){
+				if strings.Contains(resp.Error, ErrNotFound.Error()) {
 					return nil
 				}
 				return errors.New(resp.Error)

weed/pb/filer_pb/signature.go

@@ -0,0 +1,13 @@
+package filer_pb
+
+func (r *CreateEntryRequest) AddSignature(sig int32) {
+	r.Signatures = append(r.Signatures, sig)
+}
+func (r *CreateEntryRequest) HasSigned(sig int32) bool {
+	for _, s := range r.Signatures {
+		if s == sig {
+			return true
+		}
+	}
+	return false
+}

weed/pb/volume_server_pb/volume_server.pb.go

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.25.0-devel
+// 	protoc-gen-go v1.24.0
 // 	protoc        v3.12.3
 // source: volume_server.proto
 

weed/replication/sink/filersink/filer_sink.go

@@ -25,6 +25,7 @@ type FilerSink struct {
 	ttlSec         int32
 	dataCenter     string
 	grpcDialOption grpc.DialOption
+	signature      int32
 }
 
 func init() {
@@ -61,6 +62,7 @@ func (fs *FilerSink) initialize(grpcAddress string, dir string,
 	fs.collection = collection
 	fs.ttlSec = int32(ttlSec)
 	fs.grpcDialOption = security.LoadClientTLS(util.GetViper(), "grpc.client")
+	fs.signature = util.RandomInt32()
 	return nil
 }
 
@@ -69,7 +71,7 @@ func (fs *FilerSink) DeleteEntry(key string, isDirectory, deleteIncludeChunks bo
 	dir, name := util.FullPath(key).DirAndName()
 
 	glog.V(1).Infof("delete entry: %v", key)
-	err := filer_pb.Remove(fs, dir, name, deleteIncludeChunks, false, false, true)
+	err := filer_pb.Remove(fs, dir, name, deleteIncludeChunks, false, false, true, fs.signature)
 	if err != nil {
 		glog.V(0).Infof("delete entry %s: %v", key, err)
 		return fmt.Errorf("delete entry %s: %v", key, err)
@@ -114,6 +116,7 @@ func (fs *FilerSink) CreateEntry(key string, entry *filer_pb.Entry) error {
 				Chunks:      replicatedChunks,
 			},
 			IsFromOtherCluster: true,
+			Signatures:         []int32{fs.signature},
 		}
 
 		glog.V(1).Infof("create: %v", request)
@@ -193,6 +196,7 @@ func (fs *FilerSink) UpdateEntry(key string, oldEntry *filer_pb.Entry, newParent
 			Directory:          newParentPath,
 			Entry:              existingEntry,
 			IsFromOtherCluster: true,
+			Signatures:         []int32{fs.signature},
 		}
 
 		if _, err := client.UpdateEntry(context.Background(), request); err != nil {

weed/s3api/filer_multipart.go

@@ -57,8 +57,8 @@ func (s3a *S3ApiServer) completeMultipartUpload(input *s3.CompleteMultipartUploa
 	uploadDirectory := s3a.genUploadsFolder(*input.Bucket) + "/" + *input.UploadId
 
 	entries, err := s3a.list(uploadDirectory, "", "", false, 0)
-	if err != nil {
-		glog.Errorf("completeMultipartUpload %s %s error: %v", *input.Bucket, *input.UploadId, err)
+	if err != nil || len(entries) == 0 {
+		glog.Errorf("completeMultipartUpload %s %s error: %v, entries:%d", *input.Bucket, *input.UploadId, err, len(entries))
 		return nil, ErrNoSuchUpload
 	}
 

weed/s3api/s3api_objects_list_handlers.go

@@ -17,18 +17,18 @@ import (
 )
 
 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               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"`
 }
 
 func (s3a *S3ApiServer) ListObjectsV2Handler(w http.ResponseWriter, r *http.Request) {

weed/s3api/s3api_server.go

@@ -111,7 +111,7 @@ func (s3a *S3ApiServer) registerRouter(router *mux.Router) {
 	}
 
 	// ListBuckets
-	apiRouter.Methods("GET").Path("/").HandlerFunc(s3a.iam.Auth(s3a.ListBucketsHandler, ACTION_ADMIN))
+	apiRouter.Methods("GET").Path("/").HandlerFunc(s3a.iam.Auth(s3a.ListBucketsHandler, ACTION_READ))
 
 	// NotFound
 	apiRouter.NotFoundHandler = http.HandlerFunc(notFoundHandler)

weed/server/filer_grpc_server.go

@@ -171,7 +171,7 @@ func (fs *FilerServer) CreateEntry(ctx context.Context, req *filer_pb.CreateEntr
 		FullPath: util.JoinPath(req.Directory, req.Entry.Name),
 		Attr:     filer2.PbToEntryAttribute(req.Entry.Attributes),
 		Chunks:   chunks,
-	}, req.OExcl, req.IsFromOtherCluster)
+	}, req.OExcl, req.IsFromOtherCluster, req.Signatures)
 
 	if createErr == nil {
 		fs.filer.DeleteChunks(garbage)
@@ -235,28 +235,26 @@ func (fs *FilerServer) UpdateEntry(ctx context.Context, req *filer_pb.UpdateEntr
 		glog.V(3).Infof("UpdateEntry %s: %v", filepath.Join(req.Directory, req.Entry.Name), err)
 	}
 
-	fs.filer.NotifyUpdateEvent(ctx, entry, newEntry, true, req.IsFromOtherCluster)
+	fs.filer.NotifyUpdateEvent(ctx, entry, newEntry, true, req.IsFromOtherCluster, req.Signatures)
 
 	return &filer_pb.UpdateEntryResponse{}, err
 }
 
 func (fs *FilerServer) cleanupChunks(existingEntry *filer2.Entry, newEntry *filer_pb.Entry) (chunks, garbage []*filer_pb.FileChunk, err error) {
-	chunks = newEntry.Chunks
 
 	// remove old chunks if not included in the new ones
 	if existingEntry != nil {
 		garbage, err = filer2.MinusChunks(fs.lookupFileId, existingEntry.Chunks, newEntry.Chunks)
 		if err != nil {
-			return chunks, nil, fmt.Errorf("MinusChunks: %v", err)
+			return newEntry.Chunks, nil, fmt.Errorf("MinusChunks: %v", err)
 		}
 	}
 
 	// files with manifest chunks are usually large and append only, skip calculating covered chunks
-	var coveredChunks []*filer_pb.FileChunk
-	if !filer2.HasChunkManifest(newEntry.Chunks) {
-		chunks, coveredChunks = filer2.CompactFileChunks(fs.lookupFileId, newEntry.Chunks)
-		garbage = append(garbage, coveredChunks...)
-	}
+	manifestChunks, nonManifestChunks := filer2.SeparateManifestChunks(newEntry.Chunks)
+
+	chunks, coveredChunks := filer2.CompactFileChunks(fs.lookupFileId, nonManifestChunks)
+	garbage = append(garbage, coveredChunks...)
 
 	chunks, err = filer2.MaybeManifestize(fs.saveAsChunk(
 		newEntry.Attributes.Replication,
@@ -268,6 +266,9 @@ func (fs *FilerServer) cleanupChunks(existingEntry *filer2.Entry, newEntry *file
 		// not good, but should be ok
 		glog.V(0).Infof("MaybeManifestize: %v", err)
 	}
+
+	chunks = append(chunks, manifestChunks...)
+
 	return
 }
 
@@ -311,7 +312,7 @@ func (fs *FilerServer) AppendToEntry(ctx context.Context, req *filer_pb.AppendTo
 		glog.V(0).Infof("MaybeManifestize: %v", err)
 	}
 
-	err = fs.filer.CreateEntry(context.Background(), entry, false, false)
+	err = fs.filer.CreateEntry(context.Background(), entry, false, false, nil)
 
 	return &filer_pb.AppendToEntryResponse{}, err
 }
@@ -320,7 +321,7 @@ 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)
+	err = fs.filer.DeleteEntryMetaAndData(ctx, util.JoinPath(req.Directory, req.Name), req.IsRecursive, req.IgnoreRecursiveError, req.IsDeleteData, req.IsFromOtherCluster, nil)
 	resp = &filer_pb.DeleteEntryResponse{}
 	if err != nil {
 		resp.Error = err.Error()

weed/server/filer_grpc_server_rename.go

@@ -110,7 +110,7 @@ func (fs *FilerServer) moveSelfEntry(ctx context.Context, oldParent util.FullPat
 		Attr:     entry.Attr,
 		Chunks:   entry.Chunks,
 	}
-	createErr := fs.filer.CreateEntry(ctx, newEntry, false, false)
+	createErr := fs.filer.CreateEntry(ctx, newEntry, false, false, nil)
 	if createErr != nil {
 		return createErr
 	}
@@ -124,7 +124,7 @@ func (fs *FilerServer) moveSelfEntry(ctx context.Context, oldParent util.FullPat
 	}
 
 	// delete old entry
-	deleteErr := fs.filer.DeleteEntryMetaAndData(ctx, oldPath, false, false, false, false)
+	deleteErr := fs.filer.DeleteEntryMetaAndData(ctx, oldPath, false, false, false, false, nil)
 	if deleteErr != nil {
 		return deleteErr
 	}

weed/server/filer_grpc_server_sub_meta.go

@@ -24,7 +24,7 @@ func (fs *FilerServer) SubscribeMetadata(req *filer_pb.SubscribeMetadataRequest,
 	lastReadTime := time.Unix(0, req.SinceNs)
 	glog.V(0).Infof(" %v starts to subscribe %s from %+v", clientName, req.PathPrefix, lastReadTime)
 
-	eachEventNotificationFn := eachEventNotificationFn(req, stream, clientName)
+	eachEventNotificationFn := eachEventNotificationFn(req, stream, clientName, req.Signature)
 
 	eachLogEntryFn := eachLogEntryFn(eachEventNotificationFn)
 
@@ -59,7 +59,7 @@ func (fs *FilerServer) SubscribeLocalMetadata(req *filer_pb.SubscribeMetadataReq
 	lastReadTime := time.Unix(0, req.SinceNs)
 	glog.V(0).Infof(" %v local subscribe %s from %+v", clientName, req.PathPrefix, lastReadTime)
 
-	eachEventNotificationFn := eachEventNotificationFn(req, stream, clientName)
+	eachEventNotificationFn := eachEventNotificationFn(req, stream, clientName, req.Signature)
 
 	eachLogEntryFn := eachLogEntryFn(eachEventNotificationFn)
 
@@ -104,9 +104,15 @@ func eachLogEntryFn(eachEventNotificationFn func(dirPath string, eventNotificati
 	}
 }
 
-func eachEventNotificationFn(req *filer_pb.SubscribeMetadataRequest, stream filer_pb.SeaweedFiler_SubscribeMetadataServer, clientName string) func(dirPath string, eventNotification *filer_pb.EventNotification, tsNs int64) error {
+func eachEventNotificationFn(req *filer_pb.SubscribeMetadataRequest, stream filer_pb.SeaweedFiler_SubscribeMetadataServer, clientName string, clientSignature int32) func(dirPath string, eventNotification *filer_pb.EventNotification, tsNs int64) error {
 	return func(dirPath string, eventNotification *filer_pb.EventNotification, tsNs int64) error {
 
+		for _, sig := range eventNotification.Signatures {
+			if sig == clientSignature && clientSignature != 0 {
+				return nil
+			}
+		}
+
 		// get complete path to the file or directory
 		var entryName string
 		if eventNotification.OldEntry != nil {

weed/server/filer_server_handlers_write.go

@@ -111,7 +111,7 @@ 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)
+	err := fs.filer.DeleteEntryMetaAndData(context.Background(), util.FullPath(objectPath), isRecursive, ignoreRecursiveError, !skipChunkDeletion, false, nil)
 	if err != nil {
 		glog.V(1).Infoln("deleting", objectPath, ":", err.Error())
 		httpStatus := http.StatusInternalServerError

weed/server/filer_server_handlers_write_autochunk.go

@@ -148,7 +148,6 @@ func (fs *FilerServer) saveMetaData(ctx context.Context, r *http.Request, fileNa
 		crTime = existingEntry.Crtime
 	}
 
-
 	glog.V(4).Infoln("saving", path)
 	entry := &filer2.Entry{
 		FullPath: util.FullPath(path),
@@ -172,7 +171,7 @@ func (fs *FilerServer) saveMetaData(ctx context.Context, r *http.Request, fileNa
 		Size: chunkOffset,
 	}
 
-	if dbErr := fs.filer.CreateEntry(ctx, entry, false, false); dbErr != nil {
+	if dbErr := fs.filer.CreateEntry(ctx, entry, false, false, nil); dbErr != nil {
 		fs.filer.DeleteChunks(entry.Chunks)
 		replyerr = dbErr
 		filerResult.Error = dbErr.Error()

weed/server/filer_server_handlers_write_cipher.go

@@ -80,7 +80,7 @@ func (fs *FilerServer) encrypt(ctx context.Context, w http.ResponseWriter, r *ht
 		Size: int64(pu.OriginalDataSize),
 	}
 
-	if dbErr := fs.filer.CreateEntry(ctx, entry, false, false); dbErr != nil {
+	if dbErr := fs.filer.CreateEntry(ctx, entry, false, false, nil); dbErr != nil {
 		fs.filer.DeleteChunks(entry.Chunks)
 		err = dbErr
 		filerResult.Error = dbErr.Error()

weed/server/master_grpc_server.go

@@ -87,7 +87,7 @@ func (ms *MasterServer) SendHeartbeat(stream master_pb.Seaweed_SendHeartbeatServ
 			dn.UpAdjustMaxVolumeCountDelta(delta)
 		}
 
-		glog.V(5).Infof("master received heartbeat %s", heartbeat.String())
+		glog.V(4).Infof("master received heartbeat %s", heartbeat.String())
 		message := &master_pb.VolumeLocation{
 			Url:       dn.Url(),
 			PublicUrl: dn.PublicUrl,

weed/server/master_server.go

@@ -7,7 +7,6 @@ import (
 	"net/url"
 	"os"
 	"regexp"
-	"strconv"
 	"strings"
 	"sync"
 	"time"
@@ -210,7 +209,7 @@ func (ms *MasterServer) startAdminScripts() {
 		scriptLines = append(scriptLines, "unlock")
 	}
 
-	masterAddress := "localhost:" + strconv.Itoa(ms.option.Port)
+	masterAddress := fmt.Sprintf("%s:%d",ms.option.Host, ms.option.Port)
 
 	var shellOptions shell.ShellOptions
 	shellOptions.GrpcDialOption = security.LoadClientTLS(v, "grpc.master")

weed/server/volume_grpc_client_to_master.go

@@ -168,13 +168,17 @@ func (vs *VolumeServer) doHeartbeat(masterNode, masterGrpcAddress string, grpcDi
 				return "", err
 			}
 		case <-volumeTickChan:
-			glog.V(5).Infof("volume server %s:%d heartbeat", vs.store.Ip, vs.store.Port)
-			if err = stream.Send(vs.store.CollectHeartbeat()); err != nil {
-				glog.V(0).Infof("Volume Server Failed to talk with master %s: %v", masterNode, err)
-				return "", err
+			if vs.SendHeartbeat {
+				glog.V(4).Infof("volume server %s:%d heartbeat", vs.store.Ip, vs.store.Port)
+				if err = stream.Send(vs.store.CollectHeartbeat()); err != nil {
+					glog.V(0).Infof("Volume Server Failed to talk with master %s: %v", masterNode, err)
+					return "", err
+				}
+			} else {
+				glog.V(4).Infof("volume server %s:%d skip send heartbeat", vs.store.Ip, vs.store.Port)
 			}
 		case <-ecShardTickChan:
-			glog.V(5).Infof("volume server %s:%d ec heartbeat", vs.store.Ip, vs.store.Port)
+			glog.V(4).Infof("volume server %s:%d ec heartbeat", vs.store.Ip, vs.store.Port)
 			if err = stream.Send(vs.store.CollectErasureCodingHeartbeat()); err != nil {
 				glog.V(0).Infof("Volume Server Failed to talk with master %s: %v", masterNode, err)
 				return "", err

weed/server/volume_server.go

@@ -31,6 +31,7 @@ type VolumeServer struct {
 	MetricsAddress          string
 	MetricsIntervalSec      int
 	fileSizeLimitBytes      int64
+	SendHeartbeat           bool
 }
 
 func NewVolumeServer(adminMux, publicMux *http.ServeMux, ip string,
@@ -66,16 +67,17 @@ func NewVolumeServer(adminMux, publicMux *http.ServeMux, ip string,
 		grpcDialOption:          security.LoadClientTLS(util.GetViper(), "grpc.volume"),
 		compactionBytePerSecond: int64(compactionMBPerSecond) * 1024 * 1024,
 		fileSizeLimitBytes:      int64(fileSizeLimitMB) * 1024 * 1024,
+		SendHeartbeat:           true,
 	}
 	vs.SeedMasterNodes = masterNodes
 	vs.store = storage.NewStore(vs.grpcDialOption, port, ip, publicUrl, folders, maxCounts, minFreeSpacePercents, vs.needleMapKind)
 	vs.guard = security.NewGuard(whiteList, signingKey, expiresAfterSec, readSigningKey, readExpiresAfterSec)
 
 	handleStaticResources(adminMux)
+	adminMux.HandleFunc("/status", vs.statusHandler)
 	if signingKey == "" || enableUiAccess {
 		// only expose the volume server details for safe environments
 		adminMux.HandleFunc("/ui/index.html", vs.uiStatusHandler)
-		adminMux.HandleFunc("/status", vs.guard.WhiteList(vs.statusHandler))
 		/*
 			adminMux.HandleFunc("/stats/counter", vs.guard.WhiteList(statsCounterHandler))
 			adminMux.HandleFunc("/stats/memory", vs.guard.WhiteList(statsMemoryHandler))

weed/server/webdav_server.go

@@ -70,6 +70,7 @@ type WebDavFileSystem struct {
 	filer          *filer2.Filer
 	grpcDialOption grpc.DialOption
 	chunkCache     *chunk_cache.TieredChunkCache
+	signature      int32
 }
 
 type FileInfo struct {
@@ -103,6 +104,7 @@ func NewWebDavFileSystem(option *WebDavOption) (webdav.FileSystem, error) {
 	return &WebDavFileSystem{
 		option:     option,
 		chunkCache: chunkCache,
+		signature:  util.RandomInt32(),
 	}, nil
 }
 
@@ -165,6 +167,7 @@ func (fs *WebDavFileSystem) Mkdir(ctx context.Context, fullDirPath string, perm
 					Gid:      fs.option.Gid,
 				},
 			},
+			Signatures: []int32{fs.signature},
 		}
 
 		glog.V(1).Infof("mkdir: %v", request)
@@ -216,6 +219,7 @@ func (fs *WebDavFileSystem) OpenFile(ctx context.Context, fullFilePath string, f
 						TtlSec:      0,
 					},
 				},
+				Signatures: []int32{fs.signature},
 			}); err != nil {
 				return fmt.Errorf("create %s: %v", fullFilePath, err)
 			}
@@ -255,7 +259,7 @@ func (fs *WebDavFileSystem) removeAll(ctx context.Context, fullFilePath string)
 
 	dir, name := util.FullPath(fullFilePath).DirAndName()
 
-	return filer_pb.Remove(fs, dir, name, true, false, false, false)
+	return filer_pb.Remove(fs, dir, name, true, false, false, false, fs.signature)
 
 }
 
@@ -422,8 +426,9 @@ func (f *WebDavFile) Write(buf []byte) (int, error) {
 		f.entry.Attributes.Replication = replication
 
 		request := &filer_pb.UpdateEntryRequest{
-			Directory: dir,
-			Entry:     f.entry,
+			Directory:  dir,
+			Entry:      f.entry,
+			Signatures: []int32{f.fs.signature},
 		}
 
 		if _, err := client.UpdateEntry(ctx, request); err != nil {

weed/shell/command_bucket_delete.go

@@ -49,6 +49,6 @@ func (c *commandBucketDelete) Do(args []string, commandEnv *CommandEnv, writer i
 		return fmt.Errorf("read buckets: %v", err)
 	}
 
-	return filer_pb.Remove(commandEnv, filerBucketsPath, *bucketName, false, true, true, false)
+	return filer_pb.Remove(commandEnv, filerBucketsPath, *bucketName, false, true, true, false, 0)
 
 }

weed/shell/command_fs_meta_cat.go

@@ -3,6 +3,7 @@ package shell
 import (
 	"fmt"
 	"io"
+	"sort"
 
 	"github.com/golang/protobuf/jsonpb"
 
@@ -54,6 +55,13 @@ func (c *commandFsMetaCat) Do(args []string, commandEnv *CommandEnv, writer io.W
 			Indent:       "  ",
 		}
 
+		sort.Slice(respLookupEntry.Entry.Chunks, func(i, j int) bool {
+			if respLookupEntry.Entry.Chunks[i].Offset == respLookupEntry.Entry.Chunks[j].Offset {
+				return respLookupEntry.Entry.Chunks[i].Mtime < respLookupEntry.Entry.Chunks[j].Mtime
+			}
+			return respLookupEntry.Entry.Chunks[i].Offset < respLookupEntry.Entry.Chunks[j].Offset
+		})
+
 		text, marshalErr := m.MarshalToString(respLookupEntry.Entry)
 		if marshalErr != nil {
 			return fmt.Errorf("marshal meta: %v", marshalErr)

weed/shell/command_volume_fix_replication.go

@@ -27,7 +27,7 @@ func (c *commandVolumeFixReplication) Name() string {
 func (c *commandVolumeFixReplication) Help() string {
 	return `add replicas to volumes that are missing replicas
 
-	This command file all under-replicated volumes, and find volume servers with free slots.
+	This command finds all under-replicated volumes, and finds volume servers with free slots.
 	If the free slots satisfy the replication requirement, the volume content is copied over and mounted.
 
 	volume.fix.replication -n # do not take action

weed/storage/disk_location_ec.go

@@ -3,6 +3,7 @@ package storage
 import (
 	"fmt"
 	"io/ioutil"
+	"os"
 	"path"
 	"regexp"
 	"sort"
@@ -58,6 +59,9 @@ func (l *DiskLocation) LoadEcShard(collection string, vid needle.VolumeId, shard
 
 	ecVolumeShard, err := erasure_coding.NewEcVolumeShard(l.Directory, collection, vid, shardId)
 	if err != nil {
+		if err == os.ErrNotExist {
+			return os.ErrNotExist
+		}
 		return fmt.Errorf("failed to create ec shard %d.%d: %v", vid, shardId, err)
 	}
 	l.ecVolumesLock.Lock()

weed/storage/erasure_coding/ec_shard.go

@@ -5,6 +5,7 @@ import (
 	"os"
 	"path"
 	"strconv"
+	"strings"
 
 	"github.com/chrislusf/seaweedfs/weed/stats"
 	"github.com/chrislusf/seaweedfs/weed/storage/needle"
@@ -29,11 +30,14 @@ func NewEcVolumeShard(dirname string, collection string, id needle.VolumeId, sha
 
 	// open ecd file
 	if v.ecdFile, e = os.OpenFile(baseFileName+ToExt(int(shardId)), os.O_RDONLY, 0644); e != nil {
-		return nil, fmt.Errorf("cannot read ec volume shard %s.%s: %v", baseFileName, ToExt(int(shardId)), e)
+		if e == os.ErrNotExist || strings.Contains(e.Error(), "no such file or directory") {
+			return nil, os.ErrNotExist
+		}
+		return nil, fmt.Errorf("cannot read ec volume shard %s%s: %v", baseFileName, ToExt(int(shardId)), e)
 	}
 	ecdFi, statErr := v.ecdFile.Stat()
 	if statErr != nil {
-		return nil, fmt.Errorf("can not stat ec volume shard %s.%s: %v", baseFileName, ToExt(int(shardId)), statErr)
+		return nil, fmt.Errorf("can not stat ec volume shard %s%s: %v", baseFileName, ToExt(int(shardId)), statErr)
 	}
 	v.ecdFileSize = ecdFi.Size()
 

weed/storage/needle/needle.go

@@ -24,7 +24,7 @@ const (
 type Needle struct {
 	Cookie Cookie   `comment:"random number to mitigate brute force lookups"`
 	Id     NeedleId `comment:"needle id"`
-	Size   Size   `comment:"sum of DataSize,Data,NameSize,Name,MimeSize,Mime"`
+	Size   Size     `comment:"sum of DataSize,Data,NameSize,Name,MimeSize,Mime"`
 
 	DataSize     uint32 `comment:"Data size"` //version2
 	Data         []byte `comment:"The actual file data"`

weed/storage/needle_map/compact_map.go

@@ -18,7 +18,7 @@ const SectionalNeedleIdLimit = 1<<32 - 1
 type SectionalNeedleValue struct {
 	Key         SectionalNeedleId
 	OffsetLower OffsetLower `comment:"Volume offset"` //since aligned to 8 bytes, range is 4G*8=32G
-	Size        Size      `comment:"Size of the data portion"`
+	Size        Size        `comment:"Size of the data portion"`
 }
 
 type SectionalNeedleValueExtra struct {
@@ -116,7 +116,7 @@ func (cs *CompactSection) deleteOverflowEntry(key SectionalNeedleId) {
 	})
 	if deleteCandidate != length && cs.overflow[deleteCandidate].Key == key {
 		if cs.overflow[deleteCandidate].Size.IsValid() {
-			cs.overflow[deleteCandidate].Size = - cs.overflow[deleteCandidate].Size
+			cs.overflow[deleteCandidate].Size = -cs.overflow[deleteCandidate].Size
 		}
 	}
 }

weed/storage/needle_map/needle_value.go

@@ -9,7 +9,7 @@ import (
 type NeedleValue struct {
 	Key    NeedleId
 	Offset Offset `comment:"Volume offset"` //since aligned to 8 bytes, range is 4G*8=32G
-	Size   Size `comment:"Size of the data portion"`
+	Size   Size   `comment:"Size of the data portion"`
 }
 
 func (this NeedleValue) Less(than btree.Item) bool {

weed/storage/store_ec.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"io"
+	"os"
 	"sort"
 	"sync"
 	"time"
@@ -59,6 +60,8 @@ func (s *Store) MountEcShards(collection string, vid needle.VolumeId, shardId er
 				EcIndexBits: uint32(shardBits.AddShardId(shardId)),
 			}
 			return nil
+		} else if err == os.ErrNotExist {
+			continue
 		} else {
 			return fmt.Errorf("%s load ec shard %d.%d: %v", location.Directory, vid, shardId, err)
 		}

weed/storage/types/needle_types.go

@@ -18,7 +18,7 @@ func (s Size) IsDeleted() bool {
 	return s < 0 || s == TombstoneFileSize
 }
 func (s Size) IsValid() bool {
-	return s >0 && s != TombstoneFileSize
+	return s > 0 && s != TombstoneFileSize
 }
 
 type OffsetLower struct {

weed/util/bounded_tree/bounded_tree.go

@@ -15,7 +15,7 @@ type Node struct {
 
 type BoundedTree struct {
 	root *Node
-	sync.Mutex
+	sync.RWMutex
 }
 
 func NewBoundedTree() *BoundedTree {
@@ -131,6 +131,9 @@ func (n *Node) getChild(childName string) *Node {
 
 func (t *BoundedTree) HasVisited(p util.FullPath) bool {
 
+	t.RLock()
+	defer t.RUnlock()
+
 	if t.root == nil {
 		return true
 	}

weed/util/bytes.go

@@ -2,6 +2,7 @@ package util
 
 import (
 	"crypto/md5"
+	"crypto/rand"
 	"encoding/base64"
 	"fmt"
 	"io"
@@ -135,3 +136,9 @@ func Base64Md5ToBytes(contentMd5 string) []byte {
 	}
 	return data
 }
+
+func RandomInt32() int32 {
+	buf := make([]byte, 4)
+	rand.Read(buf)
+	return int32(BytesToUint32(buf))
+}

weed/util/chunk_cache/chunk_cache.go

@@ -94,7 +94,7 @@ func (c *TieredChunkCache) SetChunk(fileId string, data []byte) {
 	c.Lock()
 	defer c.Unlock()
 
-	glog.V(5).Infof("SetChunk %s size %d\n", fileId, len(data))
+	glog.V(4).Infof("SetChunk %s size %d\n", fileId, len(data))
 
 	c.doSetChunk(fileId, data)
 }

weed/util/constants.go

@@ -5,7 +5,7 @@ import (
 )
 
 var (
-	VERSION = fmt.Sprintf("%s %d.%d", sizeLimit, 1, 90)
+	VERSION = fmt.Sprintf("%s %d.%d", sizeLimit, 1, 92)
 	COMMIT  = ""
 )
 

weed/util/http_util.go

@@ -368,6 +368,7 @@ func ReadUrlAsReaderCloser(fileUrl string, rangeHeader string) (io.ReadCloser, e
 	if err != nil {
 		return nil, err
 	}
+	defer CloseResponse(r)
 	if r.StatusCode >= 400 {
 		return nil, fmt.Errorf("%s: %s", fileUrl, r.Status)
 	}

weed/util/log_buffer/log_buffer.go

@@ -53,7 +53,7 @@ func NewLogBuffer(flushInterval time.Duration, flushFn func(startTime, stopTime
 	return lb
 }
 
-func (m *LogBuffer) AddToBuffer(partitionKey, data []byte) {
+func (m *LogBuffer) AddToBuffer(partitionKey, data []byte, eventTsNs int64) {
 
 	m.Lock()
 	defer func() {
@@ -64,16 +64,21 @@ func (m *LogBuffer) AddToBuffer(partitionKey, data []byte) {
 	}()
 
 	// need to put the timestamp inside the lock
-	ts := time.Now()
-	tsNs := ts.UnixNano()
-	if m.lastTsNs >= tsNs {
+	var ts time.Time
+	if eventTsNs == 0 {
+		ts = time.Now()
+		eventTsNs = ts.UnixNano()
+	} else {
+		ts = time.Unix(0, eventTsNs)
+	}
+	if m.lastTsNs >= eventTsNs {
 		// this is unlikely to happen, but just in case
-		tsNs = m.lastTsNs + 1
-		ts = time.Unix(0, tsNs)
+		eventTsNs = m.lastTsNs + 1
+		ts = time.Unix(0, eventTsNs)
 	}
-	m.lastTsNs = tsNs
+	m.lastTsNs = eventTsNs
 	logEntry := &filer_pb.LogEntry{
-		TsNs:             tsNs,
+		TsNs:             eventTsNs,
 		PartitionKeyHash: util.HashToInt32(partitionKey),
 		Data:             data,
 	}
@@ -249,7 +254,7 @@ func (m *LogBuffer) ReadFromBuffer(lastReadTime time.Time) (bufferCopy *bytes.Bu
 	return nil
 
 }
-func (m *LogBuffer) ReleaseMeory(b *bytes.Buffer) {
+func (m *LogBuffer) ReleaseMemory(b *bytes.Buffer) {
 	bufferPool.Put(b)
 }
 

weed/util/log_buffer/log_buffer_test.go

@@ -23,7 +23,7 @@ func TestNewLogBufferFirstBuffer(t *testing.T) {
 	var buf = make([]byte, messageSize)
 	for i := 0; i < messageCount; i++ {
 		rand.Read(buf)
-		lb.AddToBuffer(nil, buf)
+		lb.AddToBuffer(nil, buf, 0)
 	}
 
 	receivedmessageCount := 0

weed/util/log_buffer/log_read.go

@@ -20,14 +20,14 @@ func (logBuffer *LogBuffer) LoopProcessLogData(
 	lastReadTime := startTreadTime
 	defer func() {
 		if bytesBuf != nil {
-			logBuffer.ReleaseMeory(bytesBuf)
+			logBuffer.ReleaseMemory(bytesBuf)
 		}
 	}()
 
 	for {
 
 		if bytesBuf != nil {
-			logBuffer.ReleaseMeory(bytesBuf)
+			logBuffer.ReleaseMemory(bytesBuf)
 		}
 		bytesBuf = logBuffer.ReadFromBuffer(lastReadTime)
 		// fmt.Printf("ReadFromBuffer by %v\n", lastReadTime)