Merge pull request #83 from chrislusf/master

sync
2024-01-19 02:48:24 +00:00 · 2021-10-23 19:52:48 +08:00 · 2021-10-23 19:52:48 +08:00 · ee90edd0e3
parent 0548ed3a1b 07dd4873db
commit ee90edd0e3
88 changed files with 2284 additions and 1022 deletions
--- a/.github/workflows/binaries_dev.yml
+++ b/.github/workflows/binaries_dev.yml
@ -20,16 +20,60 @@ jobs:
          assets: |
            weed-*

-  build_dev:
+  build_dev_linux:
    needs: cleanup
    runs-on: ubuntu-latest
    strategy:
      matrix:
-        goos: [linux, windows, darwin, freebsd]
-        goarch: [amd64, arm64]
-        exclude:
-          - goarch: arm64
-            goos: windows
+        goos: [linux]
+        goarch: [amd64]
+
+    steps:
+
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v2
+
+      - name: Set BUILD_TIME env
+        run: echo BUILD_TIME=$(date -u +%Y%m%d-%H%M) >> ${GITHUB_ENV}
+
+      - name: Go Release Binaries Large Disk
+        uses: wangyoucao577/go-release-action@v1.20
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          goos: ${{ matrix.goos }}
+          goarch: ${{ matrix.goarch }}
+          release_tag: dev
+          overwrite: true
+          pre_command: export CGO_ENABLED=0
+          build_flags: -tags 5BytesOffset # optional, default is
+          ldflags: -extldflags -static -X github.com/chrislusf/seaweedfs/weed/util.COMMIT=${{github.sha}}
+          # Where to run `go build .`
+          project_path: weed
+          binary_name: weed-large-disk
+          asset_name: "weed-large-disk-${{ env.BUILD_TIME }}-${{ matrix.goos }}-${{ matrix.goarch }}"
+
+      - name: Go Release Binaries Normal Volume Size
+        uses: wangyoucao577/go-release-action@v1.20
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          goos: ${{ matrix.goos }}
+          goarch: ${{ matrix.goarch }}
+          release_tag: dev
+          overwrite: true
+          pre_command: export CGO_ENABLED=0
+          ldflags: -extldflags -static -X github.com/chrislusf/seaweedfs/weed/util.COMMIT=${{github.sha}}
+          # Where to run `go build .`
+          project_path: weed
+          binary_name: weed-normal-disk
+          asset_name: "weed-${{ env.BUILD_TIME }}-${{ matrix.goos }}-${{ matrix.goarch }}"
+
+  build_dev_darwin:
+    needs: build_dev_linux
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        goos: [darwin]
+        goarch: [amd64, arm64]

    steps:

--- a/docker/compose/local-cluster-compose.yml
+++ b/docker/compose/local-cluster-compose.yml
@ -6,25 +6,37 @@ services:
    ports:
      - 9333:9333
      - 19333:19333
-    command: "master -ip=master0 -port=9333 -peers=master0:9333,master1:9334,master2:9335 -mdir=/data/m1"
+    command: "-v=1 master -volumeSizeLimitMB 100 -resumeState=false -ip=master0 -port=9333 -peers=master0:9333,master1:9334,master2:9335 -mdir=/tmp"
+    environment:
+      WEED_MASTER_VOLUME_GROWTH_COPY_1: 1
+      WEED_MASTER_VOLUME_GROWTH_COPY_2: 2
+      WEED_MASTER_VOLUME_GROWTH_COPY_OTHER: 1
  master1:
    image: chrislusf/seaweedfs:local
    ports:
      - 9334:9334
      - 19334:19334
-    command: "master -ip=master1 -port=9334 -peers=master0:9333,master1:9334,master2:9335 -mdir=/data/m2"
+    command: "-v=1 master -volumeSizeLimitMB 100 -resumeState=false -ip=master1 -port=9334 -peers=master0:9333,master1:9334,master2:9335 -mdir=/tmp"
+    environment:
+      WEED_MASTER_VOLUME_GROWTH_COPY_1: 1
+      WEED_MASTER_VOLUME_GROWTH_COPY_2: 2
+      WEED_MASTER_VOLUME_GROWTH_COPY_OTHER: 1
  master2:
    image: chrislusf/seaweedfs:local
    ports:
      - 9335:9335
      - 19335:19335
-    command: "master -ip=master2 -port=9335 -peers=master0:9333,master1:9334,master2:9335 -mdir=/data/m3"
+    command: "-v=1 master -volumeSizeLimitMB 100 -resumeState=false -ip=master2 -port=9335 -peers=master0:9333,master1:9334,master2:9335 -mdir=/tmp"
+    environment:
+      WEED_MASTER_VOLUME_GROWTH_COPY_1: 1
+      WEED_MASTER_VOLUME_GROWTH_COPY_2: 2
+      WEED_MASTER_VOLUME_GROWTH_COPY_OTHER: 1
  volume1:
    image: chrislusf/seaweedfs:local
    ports:
      - 8080:8080
      - 18080:18080
-    command: 'volume -mserver="master0:9333,master1:9334,master2:9335" -port=8080 -ip=volume1 -publicUrl=localhost:8080 -preStopSeconds=1 -disk=ssd1'
+    command: 'volume -dataCenter dc1 -rack v1 -mserver="master0:9333,master1:9334,master2:9335" -port=8080 -ip=volume1 -publicUrl=localhost:8080 -preStopSeconds=1'
    depends_on:
      - master0
      - master1
@ -34,7 +46,7 @@ services:
    ports:
      - 8082:8082
      - 18082:18082
-    command: 'volume -mserver="master0:9333,master1:9334,master2:9335" -port=8082 -ip=volume2 -publicUrl=localhost:8082 -preStopSeconds=1 -disk=ssd1'
+    command: 'volume -dataCenter dc2 -rack v2 -mserver="master0:9333,master1:9334,master2:9335" -port=8082 -ip=volume2 -publicUrl=localhost:8082 -preStopSeconds=1'
    depends_on:
      - master0
      - master1
@ -44,7 +56,7 @@ services:
    ports:
      - 8083:8083
      - 18083:18083
-    command: 'volume -mserver="master0:9333,master1:9334,master2:9335" -port=8083 -ip=volume3 -publicUrl=localhost:8083 -preStopSeconds=1'
+    command: 'volume -dataCenter dc3 -rack v3 -mserver="master0:9333,master1:9334,master2:9335" -port=8083 -ip=volume3 -publicUrl=localhost:8083 -preStopSeconds=1'
    depends_on:
      - master0
      - master1
@ -54,7 +66,8 @@ services:
    ports:
      - 8888:8888
      - 18888:18888
-    command: 'filer -master="master0:9333,master1:9334,master2:9335"'
+      - 8111:8111
+    command: 'filer -defaultReplicaPlacement 100 -iam -master="master0:9333,master1:9334,master2:9335"'
    depends_on:
      - master0
      - master1
@ -65,11 +78,11 @@ services:
    image: chrislusf/seaweedfs:local
    ports:
      - 8333:8333
-    command: 's3 -filer="filer:8888"'
+    command: '-v=9 s3 -filer="filer:8888"'
    depends_on:
      - master0
      - master1
      - master2
      - volume1
      - volume2
-      - filer
+      - filer
--- a/k8s/helm_charts2/Chart.yaml
+++ b/k8s/helm_charts2/Chart.yaml
@ -1,5 +1,5 @@
 apiVersion: v1
 description: SeaweedFS
 name: seaweedfs
-appVersion: "2.71"
-version: "2.71"
+appVersion: "2.74"
+version: "2.74"
--- a/other/java/client/pom.xml
+++ b/other/java/client/pom.xml
@ -5,7 +5,7 @@

    <groupId>com.github.chrislusf</groupId>
    <artifactId>seaweedfs-client</artifactId>
-    <version>1.6.8</version>
+    <version>1.6.9</version>

    <parent>
        <groupId>org.sonatype.oss</groupId>
--- a/other/java/client/pom.xml.deploy
+++ b/other/java/client/pom.xml.deploy
@ -5,7 +5,7 @@

    <groupId>com.github.chrislusf</groupId>
    <artifactId>seaweedfs-client</artifactId>
-    <version>1.6.8</version>
+    <version>1.6.9</version>

    <parent>
        <groupId>org.sonatype.oss</groupId>
--- a/other/java/client/pom_debug.xml
+++ b/other/java/client/pom_debug.xml
@ -5,7 +5,7 @@

    <groupId>com.github.chrislusf</groupId>
    <artifactId>seaweedfs-client</artifactId>
-    <version>1.6.8</version>
+    <version>1.6.9</version>

    <parent>
        <groupId>org.sonatype.oss</groupId>
--- a/other/java/client/src/main/java/seaweedfs/client/ReadChunks.java
+++ b/other/java/client/src/main/java/seaweedfs/client/ReadChunks.java
@ -0,0 +1,109 @@
+package seaweedfs.client;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+public class ReadChunks {
+
+    public static List<SeaweedRead.VisibleInterval> readResolvedChunks(List<FilerProto.FileChunk> chunkList) throws IOException {
+        List<Point> points = new ArrayList<>(chunkList.size() * 2);
+        for (FilerProto.FileChunk chunk : chunkList) {
+            points.add(new Point(chunk.getOffset(), chunk, true));
+            points.add(new Point(chunk.getOffset() + chunk.getSize(), chunk, false));
+        }
+        Collections.sort(points, new Comparator<Point>() {
+            @Override
+            public int compare(Point a, Point b) {
+                int x = (int) (a.x - b.x);
+                if (a.x != b.x) {
+                    return (int) (a.x - b.x);
+                }
+                if (a.ts != b.ts) {
+                    return (int) (a.ts - b.ts);
+                }
+                if (!a.isStart) {
+                    return -1;
+                }
+                return 1;
+            }
+        });
+
+        long prevX = 0;
+        List<SeaweedRead.VisibleInterval> visibles = new ArrayList<>();
+        ArrayList<Point> queue = new ArrayList<>();
+        for (Point point : points) {
+            if (point.isStart) {
+                if (queue.size() > 0) {
+                    int lastIndex = queue.size() - 1;
+                    Point lastPoint = queue.get(lastIndex);
+                    if (point.x != prevX && lastPoint.ts < point.ts) {
+                        addToVisibles(visibles, prevX, lastPoint, point);
+                        prevX = point.x;
+                    }
+                }
+                // insert into queue
+                for (int i = queue.size(); i >= 0; i--) {
+                    if (i == 0 || queue.get(i - 1).ts <= point.ts) {
+                        if (i == queue.size()) {
+                            prevX = point.x;
+                        }
+                        queue.add(i, point);
+                        break;
+                    }
+                }
+            } else {
+                int lastIndex = queue.size() - 1;
+                int index = lastIndex;
+                Point startPoint = null;
+                for (; index >= 0; index--) {
+                    startPoint = queue.get(index);
+                    if (startPoint.ts == point.ts) {
+                        queue.remove(index);
+                        break;
+                    }
+                }
+                if (index == lastIndex && startPoint != null) {
+                    addToVisibles(visibles, prevX, startPoint, point);
+                    prevX = point.x;
+                }
+            }
+        }
+
+        return visibles;
+
+    }
+
+    private static void addToVisibles(List<SeaweedRead.VisibleInterval> visibles, long prevX, Point startPoint, Point point) {
+        if (prevX < point.x) {
+            FilerProto.FileChunk chunk = startPoint.chunk;
+            visibles.add(new SeaweedRead.VisibleInterval(
+                    prevX,
+                    point.x,
+                    chunk.getFileId(),
+                    chunk.getMtime(),
+                    prevX - chunk.getOffset(),
+                    chunk.getOffset() == prevX && chunk.getSize() == prevX - startPoint.x,
+                    chunk.getCipherKey().toByteArray(),
+                    chunk.getIsCompressed()
+            ));
+        }
+    }
+
+    static class Point {
+        long x;
+        long ts;
+        FilerProto.FileChunk chunk;
+        boolean isStart;
+
+        public Point(long x, FilerProto.FileChunk chunk, boolean isStart) {
+            this.x = x;
+            this.ts = chunk.getMtime();
+            this.chunk = chunk;
+            this.isStart = isStart;
+        }
+    }
+
+}
--- a/other/java/client/src/main/java/seaweedfs/client/SeaweedRead.java
+++ b/other/java/client/src/main/java/seaweedfs/client/SeaweedRead.java
@ -226,96 +226,8 @@ public class SeaweedRead {

        chunkList = FileChunkManifest.resolveChunkManifest(filerClient, chunkList);

-        FilerProto.FileChunk[] chunks = chunkList.toArray(new FilerProto.FileChunk[0]);
-        Arrays.sort(chunks, new Comparator<FilerProto.FileChunk>() {
-            @Override
-            public int compare(FilerProto.FileChunk a, FilerProto.FileChunk b) {
-                // if just a.getMtime() - b.getMtime(), it will overflow!
-                if (a.getMtime() < b.getMtime()) {
-                    return -1;
-                } else if (a.getMtime() > b.getMtime()) {
-                    return 1;
-                }
-                return 0;
-            }
-        });
+        return ReadChunks.readResolvedChunks(chunkList);

-        List<VisibleInterval> visibles = new ArrayList<>();
-        for (FilerProto.FileChunk chunk : chunks) {
-            List<VisibleInterval> newVisibles = new ArrayList<>();
-            visibles = mergeIntoVisibles(visibles, newVisibles, chunk);
-        }
-
-        return visibles;
-    }
-
-    private static List<VisibleInterval> mergeIntoVisibles(List<VisibleInterval> visibles,
-                                                           List<VisibleInterval> newVisibles,
-                                                           FilerProto.FileChunk chunk) {
-        VisibleInterval newV = new VisibleInterval(
-                chunk.getOffset(),
-                chunk.getOffset() + chunk.getSize(),
-                chunk.getFileId(),
-                chunk.getMtime(),
-                0,
-                true,
-                chunk.getCipherKey().toByteArray(),
-                chunk.getIsCompressed()
-        );
-
-        // easy cases to speed up
-        if (visibles.size() == 0) {
-            visibles.add(newV);
-            return visibles;
-        }
-        if (visibles.get(visibles.size() - 1).stop <= chunk.getOffset()) {
-            visibles.add(newV);
-            return visibles;
-        }
-
-        for (VisibleInterval v : visibles) {
-            if (v.start < chunk.getOffset() && chunk.getOffset() < v.stop) {
-                newVisibles.add(new VisibleInterval(
-                        v.start,
-                        chunk.getOffset(),
-                        v.fileId,
-                        v.modifiedTime,
-                        v.chunkOffset,
-                        false,
-                        v.cipherKey,
-                        v.isCompressed
-                ));
-            }
-            long chunkStop = chunk.getOffset() + chunk.getSize();
-            if (v.start < chunkStop && chunkStop < v.stop) {
-                newVisibles.add(new VisibleInterval(
-                        chunkStop,
-                        v.stop,
-                        v.fileId,
-                        v.modifiedTime,
-                        v.chunkOffset + (chunkStop - v.start),
-                        false,
-                        v.cipherKey,
-                        v.isCompressed
-                ));
-            }
-            if (chunkStop <= v.start || v.stop <= chunk.getOffset()) {
-                newVisibles.add(v);
-            }
-        }
-        newVisibles.add(newV);
-
-        // keep everything sorted
-        for (int i = newVisibles.size() - 1; i >= 0; i--) {
-            if (i > 0 && newV.start < newVisibles.get(i - 1).start) {
-                newVisibles.set(i, newVisibles.get(i - 1));
-            } else {
-                newVisibles.set(i, newV);
-                break;
-            }
-        }
-
-        return newVisibles;
    }

    public static String parseVolumeId(String fileId) {
--- a/other/java/client/src/main/proto/filer.proto
+++ b/other/java/client/src/main/proto/filer.proto
@ -30,6 +30,8 @@ service SeaweedFiler {

    rpc AtomicRenameEntry (AtomicRenameEntryRequest) returns (AtomicRenameEntryResponse) {
    }
+    rpc StreamRenameEntry (StreamRenameEntryRequest) returns (stream StreamRenameEntryResponse) {
+    }

    rpc AssignVolume (AssignVolumeRequest) returns (AssignVolumeResponse) {
    }
@ -225,6 +227,18 @@ message AtomicRenameEntryRequest {
 message AtomicRenameEntryResponse {
 }

+message StreamRenameEntryRequest {
+    string old_directory = 1;
+    string old_name = 2;
+    string new_directory = 3;
+    string new_name = 4;
+    repeated int32 signatures = 5;
+}
+message StreamRenameEntryResponse {
+    string directory = 1;
+    EventNotification event_notification = 2;
+    int64 ts_ns = 3;
+}
 message AssignVolumeRequest {
    int32 count = 1;
    string collection = 2;
--- a/other/java/client/src/test/java/seaweedfs/client/SeaweedReadTest.java
+++ b/other/java/client/src/test/java/seaweedfs/client/SeaweedReadTest.java
@ -6,6 +6,7 @@ import org.junit.Test;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Random;

 public class SeaweedReadTest {

@ -13,17 +14,17 @@ public class SeaweedReadTest {
    public void testNonOverlappingVisibleIntervals() throws IOException {
        List<FilerProto.FileChunk> chunks = new ArrayList<>();
        chunks.add(FilerProto.FileChunk.newBuilder()
-            .setFileId("aaa")
-            .setOffset(0)
-            .setSize(100)
-            .setMtime(1000)
-            .build());
+                .setFileId("aaa")
+                .setOffset(0)
+                .setSize(100)
+                .setMtime(1000)
+                .build());
        chunks.add(FilerProto.FileChunk.newBuilder()
-            .setFileId("bbb")
-            .setOffset(100)
-            .setSize(133)
-            .setMtime(2000)
-            .build());
+                .setFileId("bbb")
+                .setOffset(100)
+                .setSize(133)
+                .setMtime(2000)
+                .build());

        List<SeaweedRead.VisibleInterval> visibleIntervals = SeaweedRead.nonOverlappingVisibleIntervals(null, chunks);
        for (SeaweedRead.VisibleInterval visibleInterval : visibleIntervals) {
@ -61,4 +62,106 @@ public class SeaweedReadTest {

    }

+
+    @Test
+    public void testReadResolvedChunks() throws IOException {
+        List<FilerProto.FileChunk> chunks = new ArrayList<>();
+        chunks.add(FilerProto.FileChunk.newBuilder()
+                .setFileId("a")
+                .setOffset(0)
+                .setSize(100)
+                .setMtime(1)
+                .build());
+        chunks.add(FilerProto.FileChunk.newBuilder()
+                .setFileId("b")
+                .setOffset(50)
+                .setSize(100)
+                .setMtime(2)
+                .build());
+        chunks.add(FilerProto.FileChunk.newBuilder()
+                .setFileId("c")
+                .setOffset(200)
+                .setSize(50)
+                .setMtime(3)
+                .build());
+        chunks.add(FilerProto.FileChunk.newBuilder()
+                .setFileId("d")
+                .setOffset(250)
+                .setSize(50)
+                .setMtime(4)
+                .build());
+        chunks.add(FilerProto.FileChunk.newBuilder()
+                .setFileId("e")
+                .setOffset(175)
+                .setSize(100)
+                .setMtime(5)
+                .build());
+
+        List<SeaweedRead.VisibleInterval> visibleIntervals = ReadChunks.readResolvedChunks(chunks);
+        for (SeaweedRead.VisibleInterval visibleInterval : visibleIntervals) {
+            System.out.println("visible:" + visibleInterval);
+        }
+
+        Assert.assertEquals(4, visibleIntervals.size());
+
+        SeaweedRead.VisibleInterval visibleInterval = visibleIntervals.get(0);
+        Assert.assertEquals(visibleInterval.start, 0);
+        Assert.assertEquals(visibleInterval.stop, 50);
+        Assert.assertEquals(visibleInterval.modifiedTime, 1);
+        Assert.assertEquals(visibleInterval.fileId, "a");
+
+        visibleInterval = visibleIntervals.get(1);
+        Assert.assertEquals(visibleInterval.start, 50);
+        Assert.assertEquals(visibleInterval.stop, 150);
+        Assert.assertEquals(visibleInterval.modifiedTime, 2);
+        Assert.assertEquals(visibleInterval.fileId, "b");
+
+        visibleInterval = visibleIntervals.get(2);
+        Assert.assertEquals(visibleInterval.start, 175);
+        Assert.assertEquals(visibleInterval.stop, 275);
+        Assert.assertEquals(visibleInterval.modifiedTime, 5);
+        Assert.assertEquals(visibleInterval.fileId, "e");
+
+        visibleInterval = visibleIntervals.get(3);
+        Assert.assertEquals(visibleInterval.start, 275);
+        Assert.assertEquals(visibleInterval.stop, 300);
+        Assert.assertEquals(visibleInterval.modifiedTime, 4);
+        Assert.assertEquals(visibleInterval.fileId, "d");
+
+    }
+
+
+    @Test
+    public void testRandomizedReadResolvedChunks() throws IOException {
+        Random random = new Random();
+        int limit = 1024*1024;
+        long[] array = new long[limit];
+        List<FilerProto.FileChunk> chunks = new ArrayList<>();
+        for (long ts=0;ts<1024;ts++){
+            int x = random.nextInt(limit);
+            int y = random.nextInt(limit);
+            int size = Math.min(Math.abs(x-y), 1024);
+            chunks.add(randomWrite(array, Math.min(x,y), size, ts));
+        }
+
+        List<SeaweedRead.VisibleInterval> visibleIntervals = ReadChunks.readResolvedChunks(chunks);
+        for (SeaweedRead.VisibleInterval visibleInterval : visibleIntervals) {
+            System.out.println("visible:" + visibleInterval);
+            for (int i = (int) visibleInterval.start; i<visibleInterval.stop; i++) {
+                Assert.assertEquals(array[i], visibleInterval.modifiedTime);
+            }
+        }
+
+    }
+    private FilerProto.FileChunk randomWrite(long[] array, int start, int size, long ts) {
+        for (int i=start;i<start+size;i++) {
+            array[i] = ts;
+        }
+        return FilerProto.FileChunk.newBuilder()
+                .setFileId("")
+                .setOffset(start)
+                .setSize(size)
+                .setMtime(ts)
+                .build();
+    }
 }
--- a/other/java/examples/pom.xml
+++ b/other/java/examples/pom.xml
@ -11,13 +11,13 @@
        <dependency>
            <groupId>com.github.chrislusf</groupId>
            <artifactId>seaweedfs-client</artifactId>
-            <version>1.6.8</version>
+            <version>1.6.9</version>
            <scope>compile</scope>
        </dependency>
        <dependency>
            <groupId>com.github.chrislusf</groupId>
            <artifactId>seaweedfs-hadoop2-client</artifactId>
-            <version>1.6.8</version>
+            <version>1.6.9</version>
            <scope>compile</scope>
        </dependency>
        <dependency>
--- a/other/java/hdfs2/dependency-reduced-pom.xml
+++ b/other/java/hdfs2/dependency-reduced-pom.xml
@ -301,7 +301,7 @@
    </snapshotRepository>
  </distributionManagement>
  <properties>
-    <seaweedfs.client.version>1.6.8</seaweedfs.client.version>
+    <seaweedfs.client.version>1.6.9</seaweedfs.client.version>
    <hadoop.version>2.9.2</hadoop.version>
  </properties>
 </project>
--- a/other/java/hdfs2/pom.xml
+++ b/other/java/hdfs2/pom.xml
@ -5,7 +5,7 @@
    <modelVersion>4.0.0</modelVersion>

    <properties>
-        <seaweedfs.client.version>1.6.8</seaweedfs.client.version>
+        <seaweedfs.client.version>1.6.9</seaweedfs.client.version>
        <hadoop.version>2.9.2</hadoop.version>
    </properties>

--- a/other/java/hdfs3/dependency-reduced-pom.xml
+++ b/other/java/hdfs3/dependency-reduced-pom.xml
@ -309,7 +309,7 @@
    </snapshotRepository>
  </distributionManagement>
  <properties>
-    <seaweedfs.client.version>1.6.8</seaweedfs.client.version>
+    <seaweedfs.client.version>1.6.9</seaweedfs.client.version>
    <hadoop.version>3.1.1</hadoop.version>
  </properties>
 </project>
--- a/other/java/hdfs3/pom.xml
+++ b/other/java/hdfs3/pom.xml
@ -5,7 +5,7 @@
    <modelVersion>4.0.0</modelVersion>

    <properties>
-        <seaweedfs.client.version>1.6.8</seaweedfs.client.version>
+        <seaweedfs.client.version>1.6.9</seaweedfs.client.version>
        <hadoop.version>3.1.1</hadoop.version>
    </properties>

--- a/test/s3/basic/basic_test.go
+++ b/test/s3/basic/basic_test.go
@ -2,14 +2,15 @@ package basic

 import (
 	"fmt"
+	"io"
+	"os"
+	"strings"
+	"testing"
+
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/aws/awserr"
 	"github.com/aws/aws-sdk-go/aws/session"
 	"github.com/aws/aws-sdk-go/service/s3"
-	"io/ioutil"
-	"os"
-	"strings"
-	"testing"
 )

 var (
@ -108,8 +109,8 @@ func TestListBucket(t *testing.T) {
 func TestListObjectV2(t *testing.T) {

 	listObj, err := svc.ListObjectsV2(&s3.ListObjectsV2Input{
-		Bucket: aws.String(Bucket),
-		Prefix: aws.String("foo"),
+		Bucket:    aws.String(Bucket),
+		Prefix:    aws.String("foo"),
 		Delimiter: aws.String("/"),
 	})
 	if err != nil {
@ -169,7 +170,7 @@ func TestObjectOp(t *testing.T) {
 		exitErrorf("Unable to get copy object, %v", err)
 	}

-	data, err := ioutil.ReadAll(getObj.Body)
+	data, err := io.ReadAll(getObj.Body)
 	if err != nil {
 		exitErrorf("Unable to read object data, %v", err)
 	}
--- a/unmaintained/stress_filer_upload/bench_filer_upload/bench_filer_upload.go
+++ b/unmaintained/stress_filer_upload/bench_filer_upload/bench_filer_upload.go
@ -5,7 +5,6 @@ import (
 	"flag"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
 	"math/rand"
 	"mime/multipart"
@ -45,7 +44,7 @@ func main() {
 			defer wg.Done()

 			client := &http.Client{Transport: &http.Transport{
-				MaxIdleConns:     1024,
+				MaxIdleConns:        1024,
 				MaxIdleConnsPerHost: 1024,
 			}}
 			r := rand.New(rand.NewSource(time.Now().UnixNano() + int64(x)))
@ -128,7 +127,7 @@ func uploadFileToFiler(client *http.Client, data []byte, filename, destination s
 		if err != nil {
 			return 0, fmt.Errorf("read http POST %s response: %v", uri, err)
 		}
-		io.Copy(ioutil.Discard, resp.Body)
+		io.Copy(io.Discard, resp.Body)
 		resp.Body.Close()
 	}

--- a/unmaintained/stress_filer_upload/stress_filer_upload_actual/stress_filer_upload.go
+++ b/unmaintained/stress_filer_upload/stress_filer_upload_actual/stress_filer_upload.go
@ -5,7 +5,6 @@ import (
 	"flag"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"log"
 	"math/rand"
 	"mime/multipart"
@ -36,7 +35,7 @@ func main() {

 	var fileNames []string

-	files, err := ioutil.ReadDir(*dir)
+	files, err := os.ReadDir(*dir)
 	if err != nil {
 		log.Fatalf("fail to read dir %v: %v", *dir, err)
 	}
@ -142,7 +141,7 @@ func uploadFileToFiler(client *http.Client, filename, destination string) (size
 		if err != nil {
 			return 0, fmt.Errorf("read http POST %s response: %v", uri, err)
 		}
-		io.Copy(ioutil.Discard, resp.Body)
+		io.Copy(io.Discard, resp.Body)
 		resp.Body.Close()
 	}

--- a/weed/command/download.go
+++ b/weed/command/download.go
@ -2,17 +2,17 @@ package command

 import (
 	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/pb"
-	"github.com/chrislusf/seaweedfs/weed/security"
-	"google.golang.org/grpc"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"os"
 	"path"
 	"strings"

+	"google.golang.org/grpc"
+
 	"github.com/chrislusf/seaweedfs/weed/operation"
+	"github.com/chrislusf/seaweedfs/weed/pb"
+	"github.com/chrislusf/seaweedfs/weed/security"
 	"github.com/chrislusf/seaweedfs/weed/util"
 )

@ -82,7 +82,7 @@ func downloadToFile(masterFn operation.GetMasterFn, grpcDialOption grpc.DialOpti
 	}
 	defer f.Close()
 	if isFileList {
-		content, err := ioutil.ReadAll(rc.Body)
+		content, err := io.ReadAll(rc.Body)
 		if err != nil {
 			return err
 		}
@ -119,7 +119,7 @@ func fetchContent(masterFn operation.GetMasterFn, grpcDialOption grpc.DialOption
 		return "", nil, e
 	}
 	defer util.CloseResponse(rc)
-	content, e = ioutil.ReadAll(rc.Body)
+	content, e = io.ReadAll(rc.Body)
 	return
 }

--- a/weed/command/filer_copy.go
+++ b/weed/command/filer_copy.go
@ -3,9 +3,7 @@ package command
 import (
 	"context"
 	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/filer"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"os"
 	"path/filepath"
@ -16,14 +14,14 @@ import (

 	"google.golang.org/grpc"

-	"github.com/chrislusf/seaweedfs/weed/util/grace"
-
+	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/chrislusf/seaweedfs/weed/operation"
 	"github.com/chrislusf/seaweedfs/weed/pb"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
 	"github.com/chrislusf/seaweedfs/weed/security"
 	"github.com/chrislusf/seaweedfs/weed/storage/needle"
 	"github.com/chrislusf/seaweedfs/weed/util"
+	"github.com/chrislusf/seaweedfs/weed/util/grace"
 	"github.com/chrislusf/seaweedfs/weed/wdclient"
 )

@ -212,7 +210,7 @@ func genFileCopyTask(fileOrDir string, destPath string, fileCopyTaskChan chan Fi
 	}

 	if mode.IsDir() {
-		files, _ := ioutil.ReadDir(fileOrDir)
+		files, _ := os.ReadDir(fileOrDir)
 		for _, subFileOrDir := range files {
 			cleanedDestDirectory := filepath.Clean(destPath + fi.Name())
 			if err = genFileCopyTask(fileOrDir+"/"+subFileOrDir.Name(), cleanedDestDirectory+"/", fileCopyTaskChan); err != nil {
@ -339,7 +337,7 @@ func (worker *FileCopyWorker) uploadFileAsOne(task FileCopyTask, f *os.File) err
 	if task.fileMode&os.ModeDir == 0 && task.fileSize > 0 {

 		mimeType = detectMimeType(f)
-		data, err := ioutil.ReadAll(f)
+		data, err := io.ReadAll(f)
 		if err != nil {
 			return err
 		}
--- a/weed/command/scaffold.go
+++ b/weed/command/scaffold.go
@ -2,9 +2,10 @@ package command

 import (
 	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/command/scaffold"
-	"io/ioutil"
+	"os"
 	"path/filepath"
+
+	"github.com/chrislusf/seaweedfs/weed/command/scaffold"
 )

 func init() {
@ -55,7 +56,7 @@ func runScaffold(cmd *Command, args []string) bool {
 	}

 	if *outputPath != "" {
-		ioutil.WriteFile(filepath.Join(*outputPath, *config+".toml"), []byte(content), 0644)
+		os.WriteFile(filepath.Join(*outputPath, *config+".toml"), []byte(content), 0644)
 	} else {
 		fmt.Println(content)
 	}
--- a/weed/filer.toml
+++ b/weed/filer.toml
@ -1,5 +0,0 @@
-[redis3]
-enabled = true
-address = "localhost:6379"
-password = ""
-database = 0
--- a/weed/filer/filechunks.go
+++ b/weed/filer/filechunks.go
@ -225,6 +225,12 @@ func NonOverlappingVisibleIntervals(lookupFileIdFn wdclient.LookupFileIdFunction

 	chunks, _, err = ResolveChunkManifest(lookupFileIdFn, chunks, startOffset, stopOffset)

+	visibles2 := readResolvedChunks(chunks)
+
+	if true {
+		return visibles2, err
+	}
+
 	sort.Slice(chunks, func(i, j int) bool {
 		if chunks[i].Mtime == chunks[j].Mtime {
 			filer_pb.EnsureFid(chunks[i])
@ -246,9 +252,26 @@ func NonOverlappingVisibleIntervals(lookupFileIdFn wdclient.LookupFileIdFunction

 	}

+	if len(visibles) != len(visibles2) {
+		fmt.Printf("different visibles size %d : %d\n", len(visibles), len(visibles2))
+	} else {
+		for i := 0; i < len(visibles); i++ {
+			checkDifference(visibles[i], visibles2[i])
+		}
+	}
+
 	return
 }

+func checkDifference(x, y VisibleInterval) {
+	if x.start != y.start ||
+		x.stop != y.stop ||
+		x.fileId != y.fileId ||
+		x.modifiedTime != y.modifiedTime {
+		fmt.Printf("different visible %+v : %+v\n", x, y)
+	}
+}
+
 // find non-overlapping visible intervals
 // visible interval map to one file chunk

--- a/weed/filer/filechunks_read.go
+++ b/weed/filer/filechunks_read.go
@ -0,0 +1,119 @@
+package filer
+
+import (
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"sort"
+)
+
+func readResolvedChunks(chunks []*filer_pb.FileChunk) (visibles []VisibleInterval) {
+
+	var points []*Point
+	for _, chunk := range chunks {
+		points = append(points, &Point{
+			x:       chunk.Offset,
+			ts:      chunk.Mtime,
+			chunk:   chunk,
+			isStart: true,
+		})
+		points = append(points, &Point{
+			x:       chunk.Offset + int64(chunk.Size),
+			ts:      chunk.Mtime,
+			chunk:   chunk,
+			isStart: false,
+		})
+	}
+	sort.Slice(points, func(i, j int) bool {
+		if points[i].x != points[j].x {
+			return points[i].x < points[j].x
+		}
+		if points[i].ts != points[j].ts {
+			return points[i].ts < points[j].ts
+		}
+		if !points[i].isStart {
+			return true
+		}
+		return false
+	})
+
+	var prevX int64
+	var queue []*Point
+	for _, point := range points {
+		if point.isStart {
+			if len(queue) > 0 {
+				lastIndex := len(queue) -1
+				lastPoint := queue[lastIndex]
+				if point.x != prevX && lastPoint.ts < point.ts {
+					visibles = addToVisibles(visibles, prevX, lastPoint, point)
+					prevX = point.x
+				}
+			}
+			// insert into queue
+			for i := len(queue); i >= 0; i-- {
+				if i == 0 || queue[i-1].ts <= point.ts {
+					if i == len(queue) {
+						prevX = point.x
+					}
+					queue = addToQueue(queue, i, point)
+					break
+				}
+			}
+		} else {
+			lastIndex := len(queue) - 1
+			index := lastIndex
+			var startPoint *Point
+			for ; index >= 0; index-- {
+				startPoint = queue[index]
+				if startPoint.ts == point.ts {
+					queue = removeFromQueue(queue, index)
+					break
+				}
+			}
+			if index == lastIndex && startPoint != nil {
+				visibles = addToVisibles(visibles, prevX, startPoint, point)
+				prevX = point.x
+			}
+		}
+	}
+
+	return
+}
+
+func removeFromQueue(queue []*Point, index int) []*Point {
+	for i := index; i < len(queue)-1; i++ {
+		queue[i] = queue[i+1]
+	}
+	queue = queue[:len(queue)-1]
+	return queue
+}
+
+func addToQueue(queue []*Point, index int, point *Point) []*Point {
+	queue = append(queue, point)
+	for i := len(queue) - 1; i > index; i-- {
+		queue[i], queue[i-1] = queue[i-1], queue[i]
+	}
+	return queue
+}
+
+func addToVisibles(visibles []VisibleInterval, prevX int64, startPoint *Point, point *Point) []VisibleInterval {
+	if prevX < point.x {
+		chunk := startPoint.chunk
+		visibles = append(visibles, VisibleInterval{
+			start:        prevX,
+			stop:         point.x,
+			fileId:       chunk.GetFileIdString(),
+			modifiedTime: chunk.Mtime,
+			chunkOffset:  prevX - chunk.Offset,
+			chunkSize:    chunk.Size,
+			cipherKey:    chunk.CipherKey,
+			isGzipped:    chunk.IsCompressed,
+		})
+	}
+	return visibles
+}
+
+type Point struct {
+	x       int64
+	ts      int64
+	chunk   *filer_pb.FileChunk
+	isStart bool
+}
--- a/weed/filer/filechunks_read_test.go
+++ b/weed/filer/filechunks_read_test.go
@ -0,0 +1,210 @@
+package filer
+
+import (
+	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"math/rand"
+	"testing"
+)
+
+func TestReadResolvedChunks(t *testing.T) {
+
+	chunks := []*filer_pb.FileChunk{
+		{
+			FileId: "a",
+			Offset: 0,
+			Size:   100,
+			Mtime:  1,
+		},
+		{
+			FileId: "b",
+			Offset: 50,
+			Size:   100,
+			Mtime:  2,
+		},
+		{
+			FileId: "c",
+			Offset: 200,
+			Size:   50,
+			Mtime:  3,
+		},
+		{
+			FileId: "d",
+			Offset: 250,
+			Size:   50,
+			Mtime:  4,
+		},
+		{
+			FileId: "e",
+			Offset: 175,
+			Size:   100,
+			Mtime:  5,
+		},
+	}
+
+	visibles := readResolvedChunks(chunks)
+
+	for _, visible := range visibles {
+		fmt.Printf("[%d,%d) %s %d\n", visible.start, visible.stop, visible.fileId, visible.modifiedTime)
+	}
+
+}
+
+func TestRandomizedReadResolvedChunks(t *testing.T) {
+
+	var limit int64 = 1024*1024
+	array := make([]int64, limit)
+	var chunks []*filer_pb.FileChunk
+	for ts := int64(0); ts < 1024; ts++ {
+		x := rand.Int63n(limit)
+		y := rand.Int63n(limit)
+		size := x - y
+		if size < 0 {
+			size = -size
+		}
+		if size > 1024 {
+			size = 1024
+		}
+		start := x
+		if start > y {
+			start = y
+		}
+		chunks = append(chunks, randomWrite(array, start, size, ts))
+	}
+
+	visibles := readResolvedChunks(chunks)
+
+	for _, visible := range visibles {
+		for i := visible.start; i<visible.stop;i++{
+			if array[i] != visible.modifiedTime {
+				t.Errorf("position %d expected ts %d actual ts %d", i, array[i], visible.modifiedTime)
+			}
+		}
+	}
+
+	// fmt.Printf("visibles %d", len(visibles))
+
+}
+
+func randomWrite(array []int64, start int64, size int64, ts int64) *filer_pb.FileChunk {
+	for i := start; i < start+size; i++ {
+		array[i] = ts
+	}
+	// fmt.Printf("write [%d,%d) %d\n", start, start+size, ts)
+	return &filer_pb.FileChunk{
+		FileId: "",
+		Offset: start,
+		Size:   uint64(size),
+		Mtime:  ts,
+	}
+}
+
+func TestSequentialReadResolvedChunks(t *testing.T) {
+
+	var chunkSize int64 = 1024*1024*2
+	var chunks []*filer_pb.FileChunk
+	for ts := int64(0); ts < 13; ts++ {
+		chunks = append(chunks, &filer_pb.FileChunk{
+			FileId: "",
+			Offset: chunkSize*ts,
+			Size:   uint64(chunkSize),
+			Mtime:  1,
+		})
+	}
+
+	visibles := readResolvedChunks(chunks)
+
+	fmt.Printf("visibles %d", len(visibles))
+
+}
+
+func TestActualReadResolvedChunks(t *testing.T) {
+
+	chunks := []*filer_pb.FileChunk{
+		{
+			FileId: "5,e7b96fef48",
+			Offset: 0,
+			Size:   2097152,
+			Mtime:  1634447487595823000,
+		},
+		{
+			FileId: "5,e5562640b9",
+			Offset: 2097152,
+			Size:   2097152,
+			Mtime:  1634447487595826000,
+		},
+		{
+			FileId: "5,df033e0fe4",
+			Offset: 4194304,
+			Size:   2097152,
+			Mtime:  1634447487595827000,
+		},
+		{
+			FileId: "7,eb08148a9b",
+			Offset: 6291456,
+			Size:   2097152,
+			Mtime:  1634447487595827000,
+		},
+		{
+			FileId: "7,e0f92d1604",
+			Offset: 8388608,
+			Size:   2097152,
+			Mtime:  1634447487595828000,
+		},
+		{
+			FileId: "7,e33cb63262",
+			Offset: 10485760,
+			Size:   2097152,
+			Mtime:  1634447487595828000,
+		},
+		{
+			FileId: "5,ea98e40e93",
+			Offset: 12582912,
+			Size:   2097152,
+			Mtime:  1634447487595829000,
+		},
+		{
+			FileId: "5,e165661172",
+			Offset: 14680064,
+			Size:   2097152,
+			Mtime:  1634447487595829000,
+		},
+		{
+			FileId: "3,e692097486",
+			Offset: 16777216,
+			Size:   2097152,
+			Mtime:  1634447487595830000,
+		},
+		{
+			FileId: "3,e28e2e3cbd",
+			Offset: 18874368,
+			Size:   2097152,
+			Mtime:  1634447487595830000,
+		},
+		{
+			FileId: "3,e443974d4e",
+			Offset: 20971520,
+			Size:   2097152,
+			Mtime:  1634447487595830000,
+		},
+		{
+			FileId: "2,e815bed597",
+			Offset: 23068672,
+			Size:   2097152,
+			Mtime:  1634447487595831000,
+		},
+		{
+			FileId: "5,e94715199e",
+			Offset: 25165824,
+			Size:   1974736,
+			Mtime:  1634447487595832000,
+		},
+	}
+
+	visibles := readResolvedChunks(chunks)
+
+	for _, visible := range visibles {
+		fmt.Printf("[%d,%d) %s %d\n", visible.start, visible.stop, visible.fileId, visible.modifiedTime)
+	}
+
+}
--- a/weed/filer/filer_conf.go
+++ b/weed/filer/filer_conf.go
@ -3,6 +3,10 @@ package filer
 import (
 	"bytes"
 	"context"
+	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/pb"
+	"github.com/chrislusf/seaweedfs/weed/wdclient"
+	"google.golang.org/grpc"
 	"io"

 	"github.com/chrislusf/seaweedfs/weed/glog"
@ -26,6 +30,29 @@ type FilerConf struct {
 	rules ptrie.Trie
 }

+func ReadFilerConf(filerGrpcAddress pb.ServerAddress, grpcDialOption grpc.DialOption, masterClient *wdclient.MasterClient) (*FilerConf, error) {
+	var buf bytes.Buffer
+	if err := pb.WithGrpcFilerClient(filerGrpcAddress, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
+		if masterClient != nil {
+			return ReadEntry(masterClient, client, DirectoryEtcSeaweedFS, FilerConfName, &buf)
+		} else {
+			content, err := ReadInsideFiler(client, DirectoryEtcSeaweedFS, FilerConfName)
+			buf = *bytes.NewBuffer(content)
+			return err
+		}
+	}); err != nil && err != filer_pb.ErrNotFound {
+		return nil, fmt.Errorf("read %s/%s: %v", DirectoryEtcSeaweedFS, FilerConfName, err)
+	}
+
+	fc := NewFilerConf()
+	if buf.Len() > 0 {
+		if err := fc.LoadFromBytes(buf.Bytes()); err != nil {
+			return nil, fmt.Errorf("parse %s/%s: %v", DirectoryEtcSeaweedFS, FilerConfName, err)
+		}
+	}
+	return fc, nil
+}
+
 func NewFilerConf() (fc *FilerConf) {
 	fc = &FilerConf{
 		rules: ptrie.New(),
@ -115,6 +142,18 @@ func (fc *FilerConf) MatchStorageRule(path string) (pathConf *filer_pb.FilerConf
 	return pathConf
 }

+func (fc *FilerConf) GetCollectionTtls(collection string) (ttls map[string]string) {
+	ttls = make(map[string]string)
+	fc.rules.Walk(func(key []byte, value interface{}) bool {
+		t := value.(*filer_pb.FilerConf_PathConf)
+		if t.Collection == collection {
+			ttls[t.LocationPrefix] = t.GetTtl()
+		}
+		return true
+	})
+	return ttls
+}
+
 // merge if values in b is not empty, merge them into a
 func mergePathConf(a, b *filer_pb.FilerConf_PathConf) {
 	a.Collection = util.Nvl(b.Collection, a.Collection)
--- a/weed/filer/filerstore_wrapper.go
+++ b/weed/filer/filerstore_wrapper.go
@ -253,13 +253,14 @@ func (fsw *FilerStoreWrapper) ListDirectoryPrefixedEntries(ctx context.Context,
 		limit = math.MaxInt32 - 1
 	}
 	glog.V(4).Infof("ListDirectoryPrefixedEntries %s from %s prefix %s limit %d", dirPath, startFileName, prefix, limit)
-	lastFileName, err = actualStore.ListDirectoryPrefixedEntries(ctx, dirPath, startFileName, includeStartFile, limit, prefix, eachEntryFunc)
+	adjustedEntryFunc := func(entry *Entry) bool {
+		fsw.maybeReadHardLink(ctx, entry)
+		filer_pb.AfterEntryDeserialization(entry.Chunks)
+		return eachEntryFunc(entry)
+	}
+	lastFileName, err = actualStore.ListDirectoryPrefixedEntries(ctx, dirPath, startFileName, includeStartFile, limit, prefix, adjustedEntryFunc)
 	if err == ErrUnsupportedListDirectoryPrefixed {
-		lastFileName, err = fsw.prefixFilterEntries(ctx, dirPath, startFileName, includeStartFile, limit, prefix, func(entry *Entry) bool {
-			fsw.maybeReadHardLink(ctx, entry)
-			filer_pb.AfterEntryDeserialization(entry.Chunks)
-			return eachEntryFunc(entry)
-		})
+		lastFileName, err = fsw.prefixFilterEntries(ctx, dirPath, startFileName, includeStartFile, limit, prefix, adjustedEntryFunc)
 	}
 	return lastFileName, err
 }
--- a/weed/filer/leveldb/leveldb_store_test.go
+++ b/weed/filer/leveldb/leveldb_store_test.go
@ -3,7 +3,6 @@ package leveldb
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"testing"
 	"time"
@ -14,7 +13,7 @@ import (

 func TestCreateAndFind(t *testing.T) {
 	testFiler := filer.NewFiler(nil, nil, "", "", "", "", nil)
-	dir, _ := ioutil.TempDir("", "seaweedfs_filer_test")
+	dir, _ := os.MkdirTemp("", "seaweedfs_filer_test")
 	defer os.RemoveAll(dir)
 	store := &LevelDBStore{}
 	store.initialize(dir)
@ -68,7 +67,7 @@ func TestCreateAndFind(t *testing.T) {

 func TestEmptyRoot(t *testing.T) {
 	testFiler := filer.NewFiler(nil, nil, "", "", "", "", nil)
-	dir, _ := ioutil.TempDir("", "seaweedfs_filer_test2")
+	dir, _ := os.MkdirTemp("", "seaweedfs_filer_test2")
 	defer os.RemoveAll(dir)
 	store := &LevelDBStore{}
 	store.initialize(dir)
@ -91,7 +90,7 @@ func TestEmptyRoot(t *testing.T) {

 func BenchmarkInsertEntry(b *testing.B) {
 	testFiler := filer.NewFiler(nil, nil, "", "", "", "", nil)
-	dir, _ := ioutil.TempDir("", "seaweedfs_filer_bench")
+	dir, _ := os.MkdirTemp("", "seaweedfs_filer_bench")
 	defer os.RemoveAll(dir)
 	store := &LevelDBStore{}
 	store.initialize(dir)
--- a/weed/filer/leveldb2/leveldb2_store_test.go
+++ b/weed/filer/leveldb2/leveldb2_store_test.go
@ -2,7 +2,6 @@ package leveldb

 import (
 	"context"
-	"io/ioutil"
 	"os"
 	"testing"

@ -12,7 +11,7 @@ import (

 func TestCreateAndFind(t *testing.T) {
 	testFiler := filer.NewFiler(nil, nil, "", "", "", "", nil)
-	dir, _ := ioutil.TempDir("", "seaweedfs_filer_test")
+	dir, _ := os.MkdirTemp("", "seaweedfs_filer_test")
 	defer os.RemoveAll(dir)
 	store := &LevelDB2Store{}
 	store.initialize(dir, 2)
@ -66,7 +65,7 @@ func TestCreateAndFind(t *testing.T) {

 func TestEmptyRoot(t *testing.T) {
 	testFiler := filer.NewFiler(nil, nil, "", "", "", "", nil)
-	dir, _ := ioutil.TempDir("", "seaweedfs_filer_test2")
+	dir, _ := os.MkdirTemp("", "seaweedfs_filer_test2")
 	defer os.RemoveAll(dir)
 	store := &LevelDB2Store{}
 	store.initialize(dir, 2)
--- a/weed/filer/leveldb3/leveldb3_store_test.go
+++ b/weed/filer/leveldb3/leveldb3_store_test.go
@ -2,7 +2,6 @@ package leveldb

 import (
 	"context"
-	"io/ioutil"
 	"os"
 	"testing"

@ -12,7 +11,7 @@ import (

 func TestCreateAndFind(t *testing.T) {
 	testFiler := filer.NewFiler(nil, nil, "", "", "", "", nil)
-	dir, _ := ioutil.TempDir("", "seaweedfs_filer_test")
+	dir, _ := os.MkdirTemp("", "seaweedfs_filer_test")
 	defer os.RemoveAll(dir)
 	store := &LevelDB3Store{}
 	store.initialize(dir)
@ -66,7 +65,7 @@ func TestCreateAndFind(t *testing.T) {

 func TestEmptyRoot(t *testing.T) {
 	testFiler := filer.NewFiler(nil, nil, "", "", "", "", nil)
-	dir, _ := ioutil.TempDir("", "seaweedfs_filer_test2")
+	dir, _ := os.MkdirTemp("", "seaweedfs_filer_test2")
 	defer os.RemoveAll(dir)
 	store := &LevelDB3Store{}
 	store.initialize(dir)
--- a/weed/filer/rocksdb/rocksdb_store_test.go
+++ b/weed/filer/rocksdb/rocksdb_store_test.go
@ -1,3 +1,4 @@
+//go:build rocksdb
 // +build rocksdb

 package rocksdb
@ -5,7 +6,6 @@ package rocksdb
 import (
 	"context"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"testing"
 	"time"
@ -16,7 +16,7 @@ import (

 func TestCreateAndFind(t *testing.T) {
 	testFiler := filer.NewFiler(nil, nil, "", 0, "", "", "", nil)
-	dir, _ := ioutil.TempDir("", "seaweedfs_filer_test")
+	dir, _ := os.MkdirTemp("", "seaweedfs_filer_test")
 	defer os.RemoveAll(dir)
 	store := &RocksDBStore{}
 	store.initialize(dir)
@ -70,7 +70,7 @@ func TestCreateAndFind(t *testing.T) {

 func TestEmptyRoot(t *testing.T) {
 	testFiler := filer.NewFiler(nil, nil, "", 0, "", "", "", nil)
-	dir, _ := ioutil.TempDir("", "seaweedfs_filer_test2")
+	dir, _ := os.MkdirTemp("", "seaweedfs_filer_test2")
 	defer os.RemoveAll(dir)
 	store := &RocksDBStore{}
 	store.initialize(dir)
@ -93,7 +93,7 @@ func TestEmptyRoot(t *testing.T) {

 func BenchmarkInsertEntry(b *testing.B) {
 	testFiler := filer.NewFiler(nil, nil, "", 0, "", "", "", nil)
-	dir, _ := ioutil.TempDir("", "seaweedfs_filer_bench")
+	dir, _ := os.MkdirTemp("", "seaweedfs_filer_bench")
 	defer os.RemoveAll(dir)
 	store := &RocksDBStore{}
 	store.initialize(dir)
--- a/weed/filesys/dir_rename.go
+++ b/weed/filesys/dir_rename.go
@ -2,12 +2,10 @@ package filesys

 import (
 	"context"
-	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/filer"
-	"math"
-
 	"github.com/seaweedfs/fuse"
 	"github.com/seaweedfs/fuse/fs"
+	"io"

 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
@ -23,19 +21,12 @@ func (dir *Dir) Rename(ctx context.Context, req *fuse.RenameRequest, newDirector

 	glog.V(4).Infof("dir Rename %s => %s", oldPath, newPath)

-	// find local old entry
-	oldEntry, err := dir.wfs.metaCache.FindEntry(context.Background(), oldPath)
-	if err != nil {
-		glog.Errorf("dir Rename can not find source %s : %v", oldPath, err)
-		return fuse.ENOENT
-	}
-
 	// update remote filer
-	err = dir.wfs.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
+	err := dir.wfs.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
 		ctx, cancel := context.WithCancel(context.Background())
 		defer cancel()

-		request := &filer_pb.AtomicRenameEntryRequest{
+		request := &filer_pb.StreamRenameEntryRequest{
 			OldDirectory: dir.FullPath(),
 			OldName:      req.OldName,
 			NewDirectory: newDir.FullPath(),
@ -43,12 +34,28 @@ func (dir *Dir) Rename(ctx context.Context, req *fuse.RenameRequest, newDirector
 			Signatures:   []int32{dir.wfs.signature},
 		}

-		_, err := client.AtomicRenameEntry(ctx, request)
+		stream, err := client.StreamRenameEntry(ctx, request)
 		if err != nil {
 			glog.Errorf("dir AtomicRenameEntry %s => %s : %v", oldPath, newPath, err)
 			return fuse.EXDEV
 		}

+		for {
+			resp, recvErr := stream.Recv()
+			if recvErr != nil {
+				if recvErr == io.EOF {
+					break
+				} else {
+					return recvErr
+				}
+			}
+
+			if err = dir.handleRenameResponse(ctx, resp); err != nil {
+				return err
+			}
+
+		}
+
 		return nil

 	})
@ -57,23 +64,25 @@ func (dir *Dir) Rename(ctx context.Context, req *fuse.RenameRequest, newDirector
 		return fuse.EIO
 	}

-	err = dir.moveEntry(context.Background(), util.FullPath(dir.FullPath()), oldEntry, util.FullPath(newDir.FullPath()), req.NewName)
-	if err != nil {
-		glog.V(0).Infof("dir local Rename %s => %s : %v", oldPath, newPath, err)
-		return fuse.EIO
-	}
-
 	return nil
 }

-func (dir *Dir) moveEntry(ctx context.Context, oldParent util.FullPath, entry *filer.Entry, newParent util.FullPath, newName string) error {

-	oldName := entry.Name()
+func (dir *Dir) handleRenameResponse(ctx context.Context, resp *filer_pb.StreamRenameEntryResponse) error {
+	// comes from filer StreamRenameEntry, can only be create or delete entry

-	oldPath := oldParent.Child(oldName)
-	newPath := newParent.Child(newName)
-	if err := dir.moveSelfEntry(ctx, oldParent, entry, newParent, newName, func() error {
+	if resp.EventNotification.NewEntry != nil {
+		// with new entry, the old entry name also exists. This is the first step to create new entry
+		newEntry := filer.FromPbEntry(resp.EventNotification.NewParentPath, resp.EventNotification.NewEntry)
+		if err := dir.wfs.metaCache.AtomicUpdateEntryFromFiler(ctx, "", newEntry); err != nil {
+			return err
+		}

+		oldParent, newParent := util.FullPath(resp.Directory), util.FullPath(resp.EventNotification.NewParentPath)
+		oldName, newName := resp.EventNotification.OldEntry.Name, resp.EventNotification.NewEntry.Name
+
+		oldPath := oldParent.Child(oldName)
+		newPath := newParent.Child(newName)
 		oldFsNode := NodeWithId(oldPath.AsInode())
 		newFsNode := NodeWithId(newPath.AsInode())
 		newDirNode, found := dir.wfs.Server.FindInternalNode(NodeWithId(newParent.AsInode()))
@ -110,65 +119,13 @@ func (dir *Dir) moveEntry(ctx context.Context, oldParent util.FullPath, entry *f
 		}
 		dir.wfs.handlesLock.Unlock()

-		if entry.IsDirectory() {
-			if err := dir.moveFolderSubEntries(ctx, oldParent, oldName, newParent, newName); err != nil {
-				return err
-			}
-		}
-		return nil
-	}); err != nil {
-		return fmt.Errorf("fail to move %s => %s: %v", oldPath, newPath, err)
-	}
-
-	return nil
-}
-
-func (dir *Dir) moveFolderSubEntries(ctx context.Context, oldParent util.FullPath, oldName string, newParent util.FullPath, newName string) error {
-
-	currentDirPath := oldParent.Child(oldName)
-	newDirPath := newParent.Child(newName)
-
-	glog.V(1).Infof("moving folder %s => %s", currentDirPath, newDirPath)
-
-	var moveErr error
-	listErr := dir.wfs.metaCache.ListDirectoryEntries(ctx, currentDirPath, "", false, int64(math.MaxInt32), func(item *filer.Entry) bool {
-		moveErr = dir.moveEntry(ctx, currentDirPath, item, newDirPath, item.Name())
-		if moveErr != nil {
-			return false
-		}
-		return true
-	})
-	if listErr != nil {
-		return listErr
-	}
-	if moveErr != nil {
-		return moveErr
-	}
-
-	return nil
-}
-
-func (dir *Dir) moveSelfEntry(ctx context.Context, oldParent util.FullPath, entry *filer.Entry, newParent util.FullPath, newName string, moveFolderSubEntries func() error) error {
-
-	newPath := newParent.Child(newName)
-	oldPath := oldParent.Child(entry.Name())
-
-	entry.FullPath = newPath
-	if err := dir.wfs.metaCache.InsertEntry(ctx, entry); err != nil {
-		glog.V(0).Infof("dir Rename insert local %s => %s : %v", oldPath, newPath, err)
-		return fuse.EIO
-	}
-
-	if moveFolderSubEntries != nil {
-		if moveChildrenErr := moveFolderSubEntries(); moveChildrenErr != nil {
-			return moveChildrenErr
+	}else if resp.EventNotification.OldEntry != nil {
+		// without new entry, only old entry name exists. This is the second step to delete old entry
+		if err := dir.wfs.metaCache.AtomicUpdateEntryFromFiler(ctx, util.NewFullPath(resp.Directory, resp.EventNotification.OldEntry.Name), nil); err != nil {
+			return err
 		}
 	}

-	if err := dir.wfs.metaCache.DeleteEntry(ctx, oldPath); err != nil {
-		glog.V(0).Infof("dir Rename delete local %s => %s : %v", oldPath, newPath, err)
-		return fuse.EIO
-	}
-
 	return nil
+
 }
--- a/weed/filesys/meta_cache/meta_cache.go
+++ b/weed/filesys/meta_cache/meta_cache.go
@ -2,7 +2,6 @@ package meta_cache

 import (
 	"context"
-	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/chrislusf/seaweedfs/weed/filer/leveldb"
 	"github.com/chrislusf/seaweedfs/weed/glog"
@ -122,7 +121,8 @@ func (mc *MetaCache) ListDirectoryEntries(ctx context.Context, dirPath util.Full
 	//defer mc.RUnlock()

 	if !mc.visitedBoundary.HasVisited(dirPath) {
-		return fmt.Errorf("unsynchronized dir: %v", dirPath)
+		// if this request comes after renaming, it should be fine
+		glog.Warningf("unsynchronized dir: %v", dirPath)
 	}

 	_, err := mc.localStore.ListDirectoryEntries(ctx, dirPath, startFileName, includeStartFile, limit, func(entry *filer.Entry) bool {
--- a/weed/filesys/meta_cache/meta_cache_subscribe.go
+++ b/weed/filesys/meta_cache/meta_cache_subscribe.go
@ -58,7 +58,7 @@ func SubscribeMetaEvents(mc *MetaCache, selfSignature int32, client filer_pb.Fil
 	}

 	util.RetryForever("followMetaUpdates", func() error {
-		return pb.WithFilerClientFollowMetadata(client, "mount", dir, lastTsNs, selfSignature, processEventFn, true)
+		return pb.WithFilerClientFollowMetadata(client, "mount", dir, &lastTsNs, selfSignature, processEventFn, true)
 	}, func(err error) bool {
 		glog.Errorf("follow metadata updates: %v", err)
 		return true
--- a/weed/images/orientation_test.go
+++ b/weed/images/orientation_test.go
@ -1,7 +1,6 @@
 package images

 import (
-	"io/ioutil"
 	"os"
 	"testing"
 )
@ -9,11 +8,11 @@ import (
 func TestXYZ(t *testing.T) {
 	fname := "sample1.jpg"

-	dat, _ := ioutil.ReadFile(fname)
+	dat, _ := os.ReadFile(fname)

 	fixed_data := FixJpgOrientation(dat)

-	ioutil.WriteFile("fixed1.jpg", fixed_data, 0644)
+	os.WriteFile("fixed1.jpg", fixed_data, 0644)

 	os.Remove("fixed1.jpg")

--- a/weed/images/resizing_test.go
+++ b/weed/images/resizing_test.go
@ -2,7 +2,6 @@ package images

 import (
 	"bytes"
-	"io/ioutil"
 	"os"
 	"testing"
 )
@ -10,13 +9,13 @@ import (
 func TestResizing(t *testing.T) {
 	fname := "sample2.webp"

-	dat, _ := ioutil.ReadFile(fname)
+	dat, _ := os.ReadFile(fname)

 	resized, _, _ := Resized(".webp", bytes.NewReader(dat), 100, 30, "")
 	buf := new(bytes.Buffer)
 	buf.ReadFrom(resized)

-	ioutil.WriteFile("resized1.png", buf.Bytes(), 0644)
+	os.WriteFile("resized1.png", buf.Bytes(), 0644)

 	os.Remove("resized1.png")

--- a/weed/operation/chunked_file.go
+++ b/weed/operation/chunked_file.go
@ -4,9 +4,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/pb"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"sort"
 	"sync"
@ -14,6 +12,7 @@ import (
 	"google.golang.org/grpc"

 	"github.com/chrislusf/seaweedfs/weed/glog"
+	"github.com/chrislusf/seaweedfs/weed/pb"
 	"github.com/chrislusf/seaweedfs/weed/util"
 )

@ -108,7 +107,7 @@ func readChunkNeedle(fileUrl string, w io.Writer, offset int64, jwt string) (wri
 		return written, err
 	}
 	defer func() {
-		io.Copy(ioutil.Discard, resp.Body)
+		io.Copy(io.Discard, resp.Body)
 		resp.Body.Close()
 	}()

--- a/weed/operation/upload_content.go
+++ b/weed/operation/upload_content.go
@ -5,7 +5,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"mime"
 	"mime/multipart"
 	"net/http"
@ -91,7 +90,7 @@ func doUpload(reader io.Reader, option *UploadOption) (uploadResult *UploadResul
 	if ok {
 		data = bytesReader.Bytes
 	} else {
-		data, err = ioutil.ReadAll(reader)
+		data, err = io.ReadAll(reader)
 		if err != nil {
 			err = fmt.Errorf("read input: %v", err)
 			return
@ -278,7 +277,7 @@ func upload_content(fillBufferFunction func(w io.Writer) error, originalDataSize
 		return &ret, nil
 	}

-	resp_body, ra_err := ioutil.ReadAll(resp.Body)
+	resp_body, ra_err := io.ReadAll(resp.Body)
 	if ra_err != nil {
 		return nil, fmt.Errorf("read response body %v: %v", option.UploadUrl, ra_err)
 	}
--- a/weed/pb/filer.proto
+++ b/weed/pb/filer.proto
@ -30,6 +30,8 @@ service SeaweedFiler {

    rpc AtomicRenameEntry (AtomicRenameEntryRequest) returns (AtomicRenameEntryResponse) {
    }
+    rpc StreamRenameEntry (StreamRenameEntryRequest) returns (stream StreamRenameEntryResponse) {
+    }

    rpc AssignVolume (AssignVolumeRequest) returns (AssignVolumeResponse) {
    }
@ -225,6 +227,18 @@ message AtomicRenameEntryRequest {
 message AtomicRenameEntryResponse {
 }

+message StreamRenameEntryRequest {
+    string old_directory = 1;
+    string old_name = 2;
+    string new_directory = 3;
+    string new_name = 4;
+    repeated int32 signatures = 5;
+}
+message StreamRenameEntryResponse {
+    string directory = 1;
+    EventNotification event_notification = 2;
+    int64 ts_ns = 3;
+}
 message AssignVolumeRequest {
    int32 count = 1;
    string collection = 2;
--- a/weed/pb/filer_pb/filer.pb.go
+++ b/weed/pb/filer_pb/filer.pb.go
--- a/weed/pb/filer_pb_tail.go
+++ b/weed/pb/filer_pb_tail.go
@ -17,7 +17,7 @@ func FollowMetadata(filerAddress ServerAddress, grpcDialOption grpc.DialOption,
 	processEventFn ProcessMetadataFunc, fatalOnError bool) error {

 	err := WithFilerClient(filerAddress, grpcDialOption, makeFunc(clientName,
-		pathPrefix, additionalPathPrefixes, lastTsNs, selfSignature, processEventFn, fatalOnError))
+		pathPrefix, additionalPathPrefixes, &lastTsNs, selfSignature, processEventFn, fatalOnError))
 	if err != nil {
 		return fmt.Errorf("subscribing filer meta change: %v", err)
 	}
@ -25,7 +25,7 @@ func FollowMetadata(filerAddress ServerAddress, grpcDialOption grpc.DialOption,
 }

 func WithFilerClientFollowMetadata(filerClient filer_pb.FilerClient,
-	clientName string, pathPrefix string, lastTsNs int64, selfSignature int32,
+	clientName string, pathPrefix string, lastTsNs *int64, selfSignature int32,
 	processEventFn ProcessMetadataFunc, fatalOnError bool) error {

 	err := filerClient.WithFilerClient(makeFunc(clientName,
@ -37,7 +37,7 @@ func WithFilerClientFollowMetadata(filerClient filer_pb.FilerClient,
 	return nil
 }

-func makeFunc(clientName string, pathPrefix string, additionalPathPrefixes []string, lastTsNs int64, selfSignature int32,
+func makeFunc(clientName string, pathPrefix string, additionalPathPrefixes []string, lastTsNs *int64, selfSignature int32,
 	processEventFn ProcessMetadataFunc, fatalOnError bool) func(client filer_pb.SeaweedFilerClient) error {
 	return func(client filer_pb.SeaweedFilerClient) error {
 		ctx, cancel := context.WithCancel(context.Background())
@ -46,7 +46,7 @@ func makeFunc(clientName string, pathPrefix string, additionalPathPrefixes []str
 			ClientName:   clientName,
 			PathPrefix:   pathPrefix,
 			PathPrefixes: additionalPathPrefixes,
-			SinceNs:      lastTsNs,
+			SinceNs:      *lastTsNs,
 			Signature:    selfSignature,
 		})
 		if err != nil {
@ -69,7 +69,7 @@ func makeFunc(clientName string, pathPrefix string, additionalPathPrefixes []str
 					glog.Errorf("process %v: %v", resp, err)
 				}
 			}
-			lastTsNs = resp.TsNs
+			*lastTsNs = resp.TsNs
 		}
 	}
 }
--- a/weed/remote_storage/azure/azure_storage_client.go
+++ b/weed/remote_storage/azure/azure_storage_client.go
@ -3,17 +3,17 @@ package azure
 import (
 	"context"
 	"fmt"
+	"io"
+	"net/url"
+	"os"
+	"reflect"
+
 	"github.com/Azure/azure-storage-blob-go/azblob"
 	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
 	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
 	"github.com/chrislusf/seaweedfs/weed/remote_storage"
 	"github.com/chrislusf/seaweedfs/weed/util"
-	"io"
-	"io/ioutil"
-	"net/url"
-	"os"
-	"reflect"
 )

 func init() {
@ -115,7 +115,7 @@ func (az *azureRemoteStorageClient) ReadFile(loc *remote_pb.RemoteStorageLocatio
 	bodyStream := downloadResponse.Body(azblob.RetryReaderOptions{MaxRetryRequests: 20})
 	defer bodyStream.Close()

-	data, err = ioutil.ReadAll(bodyStream)
+	data, err = io.ReadAll(bodyStream)

 	if err != nil {
 		return nil, fmt.Errorf("failed to download file %s%s: %v", loc.Bucket, loc.Path, err)
--- a/weed/remote_storage/gcs/gcs_storage_client.go
+++ b/weed/remote_storage/gcs/gcs_storage_client.go
@ -1,9 +1,13 @@
 package gcs

 import (
-	"cloud.google.com/go/storage"
 	"context"
 	"fmt"
+	"io"
+	"os"
+	"reflect"
+
+	"cloud.google.com/go/storage"
 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
 	"github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
@ -11,10 +15,6 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"google.golang.org/api/iterator"
 	"google.golang.org/api/option"
-	"io"
-	"io/ioutil"
-	"os"
-	"reflect"
 )

 func init() {
@ -110,7 +110,7 @@ func (gcs *gcsRemoteStorageClient) ReadFile(loc *remote_pb.RemoteStorageLocation
 	if readErr != nil {
 		return nil, readErr
 	}
-	data, err = ioutil.ReadAll(rangeReader)
+	data, err = io.ReadAll(rangeReader)

 	if err != nil {
 		return nil, fmt.Errorf("failed to download file %s%s: %v", loc.Bucket, loc.Path, err)
--- a/weed/replication/sub/notification_kafka.go
+++ b/weed/replication/sub/notification_kafka.go
@ -3,7 +3,7 @@ package sub
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"sync"
 	"time"

@ -119,7 +119,7 @@ type KafkaProgress struct {

 func loadProgress(offsetFile string) *KafkaProgress {
 	progress := &KafkaProgress{}
-	data, err := ioutil.ReadFile(offsetFile)
+	data, err := os.ReadFile(offsetFile)
 	if err != nil {
 		glog.Warningf("failed to read kafka progress file: %s", offsetFile)
 		return nil
@ -137,7 +137,7 @@ func (progress *KafkaProgress) saveProgress() error {
 	if err != nil {
 		return fmt.Errorf("failed to marshal progress: %v", err)
 	}
-	err = ioutil.WriteFile(progress.offsetFile, data, 0640)
+	err = os.WriteFile(progress.offsetFile, data, 0640)
 	if err != nil {
 		return fmt.Errorf("failed to save progress to %s: %v", progress.offsetFile, err)
 	}
--- a/weed/s3api/auth_credentials.go
+++ b/weed/s3api/auth_credentials.go
@ -2,6 +2,10 @@ package s3api

 import (
 	"fmt"
+	"net/http"
+	"os"
+	"strings"
+
 	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/pb"
@ -10,9 +14,6 @@ import (
 	xhttp "github.com/chrislusf/seaweedfs/weed/s3api/http"
 	"github.com/chrislusf/seaweedfs/weed/s3api/s3_constants"
 	"github.com/chrislusf/seaweedfs/weed/s3api/s3err"
-	"io/ioutil"
-	"net/http"
-	"strings"
 )

 type Action string
@ -37,6 +38,31 @@ type Credential struct {
 	SecretKey string
 }

+func (action Action) isAdmin() bool {
+	return strings.HasPrefix(string(action), s3_constants.ACTION_ADMIN)
+}
+
+func (action Action) isOwner(bucket string) bool {
+	return string(action) == s3_constants.ACTION_ADMIN+":"+bucket
+}
+
+func (action Action) overBucket(bucket string) bool {
+	return strings.HasSuffix(string(action), ":"+bucket) || strings.HasSuffix(string(action), ":*")
+}
+
+func (action Action) getPermission() Permission {
+	switch act := strings.Split(string(action), ":")[0]; act {
+	case s3_constants.ACTION_ADMIN:
+		return Permission("FULL_CONTROL")
+	case s3_constants.ACTION_WRITE:
+		return Permission("WRITE")
+	case s3_constants.ACTION_READ:
+		return Permission("READ")
+	default:
+		return Permission("")
+	}
+}
+
 func NewIdentityAccessManagement(option *S3ApiServerOption) *IdentityAccessManagement {
 	iam := &IdentityAccessManagement{
 		domain: option.DomainName,
@ -66,7 +92,7 @@ func (iam *IdentityAccessManagement) loadS3ApiConfigurationFromFiler(option *S3A
 }

 func (iam *IdentityAccessManagement) loadS3ApiConfigurationFromFile(fileName string) error {
-	content, readErr := ioutil.ReadFile(fileName)
+	content, readErr := os.ReadFile(fileName)
 	if readErr != nil {
 		glog.Warningf("fail to read %s : %v", fileName, readErr)
 		return fmt.Errorf("fail to read %s : %v", fileName, readErr)
--- a/weed/s3api/auth_credentials_subscribe.go
+++ b/weed/s3api/auth_credentials_subscribe.go
@ -8,7 +8,7 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/util"
 )

-func (s3a *S3ApiServer) subscribeMetaEvents(clientName string, prefix string, lastTsNs int64) error {
+func (s3a *S3ApiServer) subscribeMetaEvents(clientName string, prefix string, lastTsNs int64) {

 	processEventFn := func(resp *filer_pb.SubscribeMetadataResponse) error {

@ -32,8 +32,11 @@ func (s3a *S3ApiServer) subscribeMetaEvents(clientName string, prefix string, la
 		return nil
 	}

-	return util.Retry("followIamChanges", func() error {
-		return pb.WithFilerClientFollowMetadata(s3a, clientName, prefix, lastTsNs, 0, processEventFn, true)
+	util.RetryForever("followIamChanges", func() error {
+		return pb.WithFilerClientFollowMetadata(s3a, clientName, prefix, &lastTsNs, 0, processEventFn, true)
+	}, func(err error) bool {
+		glog.V(0).Infof("iam follow metadata changes: %v", err)
+		return true
 	})

 }
--- a/weed/s3api/auth_signature_v4.go
+++ b/weed/s3api/auth_signature_v4.go
@ -23,8 +23,7 @@ import (
 	"crypto/sha256"
 	"crypto/subtle"
 	"encoding/hex"
-	"github.com/chrislusf/seaweedfs/weed/s3api/s3err"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"net/url"
 	"regexp"
@ -33,6 +32,8 @@ import (
 	"strings"
 	"time"
 	"unicode/utf8"
+
+	"github.com/chrislusf/seaweedfs/weed/s3api/s3err"
 )

 func (iam *IdentityAccessManagement) reqSignatureV4Verify(r *http.Request) (*Identity, s3err.ErrorCode) {
@ -135,9 +136,9 @@ func (iam *IdentityAccessManagement) doesSignatureMatch(hashedPayload string, r

 	// Get hashed Payload
 	if signV4Values.Credential.scope.service != "s3" && hashedPayload == emptySHA256 && r.Body != nil {
-		buf, _ := ioutil.ReadAll(r.Body)
-		r.Body = ioutil.NopCloser(bytes.NewBuffer(buf))
-		b, _ := ioutil.ReadAll(bytes.NewBuffer(buf))
+		buf, _ := io.ReadAll(r.Body)
+		r.Body = io.NopCloser(bytes.NewBuffer(buf))
+		b, _ := io.ReadAll(bytes.NewBuffer(buf))
 		if len(b) != 0 {
 			bodyHash := sha256.Sum256(b)
 			hashedPayload = hex.EncodeToString(bodyHash[:])
@ -433,7 +434,7 @@ func (iam *IdentityAccessManagement) doesPresignedSignatureMatch(hashedPayload s
 		}
 	}

-	/// Verify finally if signature is same.
+	// / Verify finally if signature is same.

 	// Get canonical request.
 	presignedCanonicalReq := getCanonicalRequest(extractedSignedHeaders, hashedPayload, encodedQuery, req.URL.Path, req.Method)
--- a/weed/s3api/auto_signature_v4_test.go
+++ b/weed/s3api/auto_signature_v4_test.go
@ -8,9 +8,7 @@ import (
 	"encoding/hex"
 	"errors"
 	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/s3api/s3err"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"net/url"
 	"sort"
@ -19,6 +17,8 @@ import (
 	"testing"
 	"time"
 	"unicode/utf8"
+
+	"github.com/chrislusf/seaweedfs/weed/s3api/s3err"
 )

 // TestIsRequestPresignedSignatureV4 - Test validates the logic for presign signature verision v4 detection.
@ -86,7 +86,7 @@ func TestIsReqAuthenticated(t *testing.T) {
 	// Validates all testcases.
 	for i, testCase := range testCases {
 		if _, s3Error := iam.reqSignatureV4Verify(testCase.req); s3Error != testCase.s3Error {
-			ioutil.ReadAll(testCase.req.Body)
+			io.ReadAll(testCase.req.Body)
 			t.Fatalf("Test %d: Unexpected S3 error: want %d - got %d", i, testCase.s3Error, s3Error)
 		}
 	}
@ -167,7 +167,7 @@ func newTestRequest(method, urlStr string, contentLength int64, body io.ReadSeek
 	case body == nil:
 		hashedPayload = getSHA256Hash([]byte{})
 	default:
-		payloadBytes, err := ioutil.ReadAll(body)
+		payloadBytes, err := io.ReadAll(body)
 		if err != nil {
 			return nil, err
 		}
--- a/weed/s3api/filer_multipart.go
+++ b/weed/s3api/filer_multipart.go
@ -38,6 +38,9 @@ func (s3a *S3ApiServer) createMultipartUpload(input *s3.CreateMultipartUploadInp
 		for k, v := range input.Metadata {
 			entry.Extended[k] = []byte(*v)
 		}
+		if input.ContentType != nil {
+			entry.Attributes.Mime = *input.ContentType
+		}
 	}); err != nil {
 		glog.Errorf("NewMultipartUpload error: %v", err)
 		return nil, s3err.ErrInternalError
@ -65,7 +68,7 @@ func (s3a *S3ApiServer) completeMultipartUpload(input *s3.CompleteMultipartUploa

 	uploadDirectory := s3a.genUploadsFolder(*input.Bucket) + "/" + *input.UploadId

-	entries, _, err := s3a.list(uploadDirectory, "", "", false, 0)
+	entries, _, err := s3a.list(uploadDirectory, "", "", false, maxPartsList)
 	if err != nil || len(entries) == 0 {
 		glog.Errorf("completeMultipartUpload %s %s error: %v, entries:%d", *input.Bucket, *input.UploadId, err, len(entries))
 		return nil, s3err.ErrNoSuchUpload
@ -79,9 +82,13 @@ func (s3a *S3ApiServer) completeMultipartUpload(input *s3.CompleteMultipartUploa

 	var finalParts []*filer_pb.FileChunk
 	var offset int64
+	var mime string

 	for _, entry := range entries {
 		if strings.HasSuffix(entry.Name, ".part") && !entry.IsDirectory {
+			if entry.Name == "0001.part" && entry.Attributes.Mime != "" {
+				mime = entry.Attributes.Mime
+			}
 			for _, chunk := range entry.Chunks {
 				p := &filer_pb.FileChunk{
 					FileId:    chunk.GetFileIdString(),
@ -121,6 +128,11 @@ func (s3a *S3ApiServer) completeMultipartUpload(input *s3.CompleteMultipartUploa
 				entry.Extended[k] = v
 			}
 		}
+		if pentry.Attributes.Mime != "" {
+			entry.Attributes.Mime = pentry.Attributes.Mime
+		} else if mime != "" {
+			entry.Attributes.Mime = mime
+		}
 	})

 	if err != nil {
--- a/weed/s3api/s3api_bucket_handlers.go
+++ b/weed/s3api/s3api_bucket_handlers.go
@ -4,7 +4,9 @@ import (
 	"context"
 	"encoding/xml"
 	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/chrislusf/seaweedfs/weed/s3api/s3_constants"
+	"github.com/chrislusf/seaweedfs/weed/storage/needle"
 	"math"
 	"net/http"
 	"time"
@ -205,3 +207,98 @@ func (s3a *S3ApiServer) hasAccess(r *http.Request, entry *filer_pb.Entry) bool {
 	}
 	return true
 }
+
+// GetBucketAclHandler Get Bucket ACL
+// https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetBucketAcl.html
+func (s3a *S3ApiServer) GetBucketAclHandler(w http.ResponseWriter, r *http.Request) {
+	// collect parameters
+	bucket, _ := getBucketAndObject(r)
+	glog.V(3).Infof("GetBucketAclHandler %s", bucket)
+
+	if err := s3a.checkBucket(r, bucket); err != s3err.ErrNone {
+		s3err.WriteErrorResponse(w, err, r)
+		return
+	}
+
+	response := AccessControlPolicy{}
+	for _, ident := range s3a.iam.identities {
+		if len(ident.Credentials) == 0 {
+			continue
+		}
+		for _, action := range ident.Actions {
+			if !action.overBucket(bucket) || action.getPermission() == "" {
+				continue
+			}
+			id := ident.Credentials[0].AccessKey
+			if response.Owner.DisplayName == "" && action.isOwner(bucket) && len(ident.Credentials) > 0 {
+				response.Owner.DisplayName = ident.Name
+				response.Owner.ID = id
+			}
+			response.AccessControlList.Grant = append(response.AccessControlList.Grant, Grant{
+				Grantee: Grantee{
+					ID:          id,
+					DisplayName: ident.Name,
+					Type:        "CanonicalUser",
+					XMLXSI:      "CanonicalUser",
+					XMLNS:       "http://www.w3.org/2001/XMLSchema-instance"},
+				Permission: action.getPermission(),
+			})
+		}
+	}
+	writeSuccessResponseXML(w, response)
+}
+
+// GetBucketLifecycleConfigurationHandler Get Bucket Lifecycle configuration
+// https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetBucketLifecycleConfiguration.html
+func (s3a *S3ApiServer) GetBucketLifecycleConfigurationHandler(w http.ResponseWriter, r *http.Request) {
+	// collect parameters
+	bucket, _ := getBucketAndObject(r)
+	glog.V(3).Infof("GetBucketAclHandler %s", bucket)
+
+	if err := s3a.checkBucket(r, bucket); err != s3err.ErrNone {
+		s3err.WriteErrorResponse(w, err, r)
+		return
+	}
+	fc, err := filer.ReadFilerConf(s3a.option.Filer, s3a.option.GrpcDialOption, nil)
+	if err != nil {
+		glog.Errorf("GetBucketLifecycleConfigurationHandler: %s", err)
+		s3err.WriteErrorResponse(w, s3err.ErrInternalError, r)
+		return
+	}
+	ttls := fc.GetCollectionTtls(bucket)
+	if len(ttls) == 0 {
+		s3err.WriteErrorResponse(w, s3err.ErrNoSuchLifecycleConfiguration, r)
+	}
+	response := Lifecycle{}
+	for prefix, internalTtl := range ttls {
+		ttl, _ := needle.ReadTTL(internalTtl)
+		days := int(ttl.Minutes() / 60 / 24)
+		if days == 0 {
+			continue
+		}
+		response.Rules = append(response.Rules, Rule{
+			Status: Enabled, Filter: Filter{
+				Prefix: Prefix{string: prefix, set: true},
+				set:    true,
+			},
+			Expiration: Expiration{Days: days, set: true},
+		})
+	}
+	writeSuccessResponseXML(w, response)
+}
+
+// PutBucketLifecycleConfigurationHandler Put Bucket Lifecycle configuration
+// https://docs.aws.amazon.com/AmazonS3/latest/API/API_PutBucketLifecycleConfiguration.html
+func (s3a *S3ApiServer) PutBucketLifecycleConfigurationHandler(w http.ResponseWriter, r *http.Request) {
+
+	s3err.WriteErrorResponse(w, s3err.ErrNotImplemented, r)
+
+}
+
+// DeleteBucketMetricsConfiguration Delete Bucket Lifecycle
+// https://docs.aws.amazon.com/AmazonS3/latest/API/API_DeleteBucketLifecycle.html
+func (s3a *S3ApiServer) DeleteBucketLifecycleHandler(w http.ResponseWriter, r *http.Request) {
+
+	s3err.WriteErrorResponse(w, s3err.ErrNotImplemented, r)
+
+}
--- a/weed/s3api/s3api_handlers.go
+++ b/weed/s3api/s3api_handlers.go
@ -21,6 +21,7 @@ func (s3a *S3ApiServer) WithFilerClient(fn func(filer_pb.SeaweedFilerClient) err
 	}, s3a.option.Filer.ToGrpcAddress(), s3a.option.GrpcDialOption)

 }
+
 func (s3a *S3ApiServer) AdjustedUrl(location *filer_pb.Location) string {
 	return location.Url
 }
--- a/weed/s3api/s3api_object_handlers.go
+++ b/weed/s3api/s3api_object_handlers.go
@ -1,20 +1,21 @@
 package s3api

 import (
+	"bytes"
 	"crypto/md5"
 	"encoding/json"
 	"encoding/xml"
 	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/filer"
-	"github.com/pquerna/cachecontrol/cacheobject"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"net/url"
 	"sort"
 	"strings"
 	"time"

+	"github.com/chrislusf/seaweedfs/weed/filer"
+	"github.com/pquerna/cachecontrol/cacheobject"
+
 	"github.com/chrislusf/seaweedfs/weed/s3api/s3err"

 	"github.com/gorilla/mux"
@ -36,6 +37,16 @@ func init() {
 	}}
 }

+func mimeDetect(r *http.Request, dataReader io.Reader) io.ReadCloser {
+	mimeBuffer := make([]byte, 512)
+	size, _ := dataReader.Read(mimeBuffer)
+	if size > 0 {
+		r.Header.Set("Content-Type", http.DetectContentType(mimeBuffer[:size]))
+		return io.NopCloser(io.MultiReader(bytes.NewReader(mimeBuffer[:size]), dataReader))
+	}
+	return io.NopCloser(dataReader)
+}
+
 func (s3a *S3ApiServer) PutObjectHandler(w http.ResponseWriter, r *http.Request) {

 	// http://docs.aws.amazon.com/AmazonS3/latest/dev/UploadingObjects.html
@ -95,6 +106,10 @@ func (s3a *S3ApiServer) PutObjectHandler(w http.ResponseWriter, r *http.Request)
 	} else {
 		uploadUrl := fmt.Sprintf("http://%s%s/%s%s", s3a.option.Filer.ToHttpAddress(), s3a.option.BucketsPath, bucket, urlPathEscape(object))

+		if r.Header.Get("Content-Type") == "" {
+			dataReader = mimeDetect(r, dataReader)
+		}
+
 		etag, errCode := s3a.putToFiler(r, uploadUrl, dataReader)

 		if errCode != s3err.ErrNone {
@ -198,7 +213,7 @@ func (s3a *S3ApiServer) DeleteMultipleObjectsHandler(w http.ResponseWriter, r *h
 	bucket, _ := getBucketAndObject(r)
 	glog.V(3).Infof("DeleteMultipleObjectsHandler %s", bucket)

-	deleteXMLBytes, err := ioutil.ReadAll(r.Body)
+	deleteXMLBytes, err := io.ReadAll(r.Body)
 	if err != nil {
 		s3err.WriteErrorResponse(w, s3err.ErrInternalError, r)
 		return
@ -394,7 +409,7 @@ func (s3a *S3ApiServer) putToFiler(r *http.Request, uploadUrl string, dataReader

 	etag = fmt.Sprintf("%x", hash.Sum(nil))

-	resp_body, ra_err := ioutil.ReadAll(resp.Body)
+	resp_body, ra_err := io.ReadAll(resp.Body)
 	if ra_err != nil {
 		glog.Errorf("upload to filer response read %d: %v", resp.StatusCode, ra_err)
 		return etag, s3err.ErrInternalError
--- a/weed/s3api/s3api_object_handlers_postpolicy.go
+++ b/weed/s3api/s3api_object_handlers_postpolicy.go
@ -5,17 +5,17 @@ import (
 	"encoding/base64"
 	"errors"
 	"fmt"
+	"io"
+	"mime/multipart"
+	"net/http"
+	"net/url"
+	"strings"
+
 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/s3api/policy"
 	"github.com/chrislusf/seaweedfs/weed/s3api/s3err"
 	"github.com/dustin/go-humanize"
 	"github.com/gorilla/mux"
-	"io"
-	"io/ioutil"
-	"mime/multipart"
-	"net/http"
-	"net/url"
-	"strings"
 )

 func (s3a *S3ApiServer) PostPolicyBucketHandler(w http.ResponseWriter, r *http.Request) {
@ -152,7 +152,7 @@ func (s3a *S3ApiServer) PostPolicyBucketHandler(w http.ResponseWriter, r *http.R

 // Extract form fields and file data from a HTTP POST Policy
 func extractPostPolicyFormValues(form *multipart.Form) (filePart io.ReadCloser, fileName string, fileSize int64, formValues http.Header, err error) {
-	/// HTML Form values
+	// / HTML Form values
 	fileName = ""

 	// Canonicalize the form values into http.Header.
@ -175,7 +175,7 @@ func extractPostPolicyFormValues(form *multipart.Form) (filePart io.ReadCloser,
 			b.WriteString(v)
 		}
 		fileSize = int64(b.Len())
-		filePart = ioutil.NopCloser(b)
+		filePart = io.NopCloser(b)
 		return filePart, fileName, fileSize, formValues, nil
 	}

--- a/weed/s3api/s3api_object_multipart_handlers.go
+++ b/weed/s3api/s3api_object_multipart_handlers.go
@ -36,6 +36,10 @@ func (s3a *S3ApiServer) NewMultipartUploadHandler(w http.ResponseWriter, r *http
 		createMultipartUploadInput.Metadata[k] = aws.String(string(v))
 	}

+	contentType := r.Header.Get("Content-Type")
+	if contentType != "" {
+		createMultipartUploadInput.ContentType = &contentType
+	}
 	response, errCode := s3a.createMultipartUpload(createMultipartUploadInput)

 	glog.V(2).Info("NewMultipartUploadHandler", string(s3err.EncodeXMLResponse(response)), errCode)
@ -213,8 +217,11 @@ func (s3a *S3ApiServer) PutObjectPartHandler(w http.ResponseWriter, r *http.Requ
 	uploadUrl := fmt.Sprintf("http://%s%s/%s/%04d.part?collection=%s",
 		s3a.option.Filer.ToHttpAddress(), s3a.genUploadsFolder(bucket), uploadID, partID, bucket)

-	etag, errCode := s3a.putToFiler(r, uploadUrl, dataReader)
+	if partID == 1 && r.Header.Get("Content-Type") == "" {
+		dataReader = mimeDetect(r, dataReader)
+	}

+	etag, errCode := s3a.putToFiler(r, uploadUrl, dataReader)
 	if errCode != s3err.ErrNone {
 		s3err.WriteErrorResponse(w, errCode, r)
 		return
--- a/weed/s3api/s3api_object_skip_handlers.go
+++ b/weed/s3api/s3api_object_skip_handlers.go
@ -4,6 +4,14 @@ import (
 	"net/http"
 )

+// GetObjectAclHandler Put object ACL
+// https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetObjectAcl.html
+func (s3a *S3ApiServer) GetObjectAclHandler(w http.ResponseWriter, r *http.Request) {
+
+	w.WriteHeader(http.StatusNoContent)
+
+}
+
 // PutObjectAclHandler Put object ACL
 // https://docs.aws.amazon.com/AmazonS3/latest/API/API_PutObjectAcl.html
 func (s3a *S3ApiServer) PutObjectAclHandler(w http.ResponseWriter, r *http.Request) {
--- a/weed/s3api/s3api_object_tagging_handlers.go
+++ b/weed/s3api/s3api_object_tagging_handlers.go
@ -3,13 +3,13 @@ package s3api
 import (
 	"encoding/xml"
 	"fmt"
+	"io"
+	"net/http"
+
 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
 	"github.com/chrislusf/seaweedfs/weed/s3api/s3err"
 	"github.com/chrislusf/seaweedfs/weed/util"
-	"io"
-	"io/ioutil"
-	"net/http"
 )

 // GetObjectTaggingHandler - GET object tagging
@ -49,7 +49,7 @@ func (s3a *S3ApiServer) PutObjectTaggingHandler(w http.ResponseWriter, r *http.R
 	dir, name := target.DirAndName()

 	tagging := &Tagging{}
-	input, err := ioutil.ReadAll(io.LimitReader(r.Body, r.ContentLength))
+	input, err := io.ReadAll(io.LimitReader(r.Body, r.ContentLength))
 	if err != nil {
 		glog.Errorf("PutObjectTaggingHandler read input %s: %v", r.URL, err)
 		s3err.WriteErrorResponse(w, s3err.ErrInternalError, r)
@ -90,7 +90,7 @@ func (s3a *S3ApiServer) PutObjectTaggingHandler(w http.ResponseWriter, r *http.R
 		return
 	}

-	w.WriteHeader(http.StatusNoContent)
+	w.WriteHeader(http.StatusOK)

 }

--- a/weed/s3api/s3api_policy.go
+++ b/weed/s3api/s3api_policy.go
@ -0,0 +1,147 @@
+package s3api
+
+import (
+	"encoding/xml"
+	"time"
+)
+
+// Status represents lifecycle configuration status
+type ruleStatus string
+
+// Supported status types
+const (
+	Enabled  ruleStatus = "Enabled"
+	Disabled ruleStatus = "Disabled"
+)
+
+// Lifecycle - Configuration for bucket lifecycle.
+type Lifecycle struct {
+	XMLName xml.Name `xml:"LifecycleConfiguration"`
+	Rules   []Rule   `xml:"Rule"`
+}
+
+// Rule - a rule for lifecycle configuration.
+type Rule struct {
+	XMLName    xml.Name   `xml:"Rule"`
+	ID         string     `xml:"ID,omitempty"`
+	Status     ruleStatus `xml:"Status"`
+	Filter     Filter     `xml:"Filter,omitempty"`
+	Prefix     Prefix     `xml:"Prefix,omitempty"`
+	Expiration Expiration `xml:"Expiration,omitempty"`
+	Transition Transition `xml:"Transition,omitempty"`
+}
+
+// Filter - a filter for a lifecycle configuration Rule.
+type Filter struct {
+	XMLName xml.Name `xml:"Filter"`
+	set     bool
+
+	Prefix Prefix
+
+	And    And
+	andSet bool
+
+	Tag    Tag
+	tagSet bool
+}
+
+// Prefix holds the prefix xml tag in <Rule> and <Filter>
+type Prefix struct {
+	string
+	set bool
+}
+
+// MarshalXML - decodes XML data.
+func (p Prefix) MarshalXML(e *xml.Encoder, startElement xml.StartElement) error {
+	if !p.set {
+		return nil
+	}
+	return e.EncodeElement(p.string, startElement)
+}
+
+func (f Filter) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	if err := e.EncodeToken(start); err != nil {
+		return err
+	}
+	if err := e.EncodeElement(f.Prefix, xml.StartElement{Name: xml.Name{Local: "Prefix"}}); err != nil {
+		return err
+	}
+	return e.EncodeToken(xml.EndElement{Name: start.Name})
+}
+
+// And - a tag to combine a prefix and multiple tags for lifecycle configuration rule.
+type And struct {
+	XMLName xml.Name `xml:"And"`
+	Prefix  Prefix   `xml:"Prefix,omitempty"`
+	Tags    []Tag    `xml:"Tag,omitempty"`
+}
+
+// Expiration - expiration actions for a rule in lifecycle configuration.
+type Expiration struct {
+	XMLName      xml.Name           `xml:"Expiration"`
+	Days         int                `xml:"Days,omitempty"`
+	Date         ExpirationDate     `xml:"Date,omitempty"`
+	DeleteMarker ExpireDeleteMarker `xml:"ExpiredObjectDeleteMarker"`
+
+	set bool
+}
+
+// MarshalXML encodes expiration field into an XML form.
+func (e Expiration) MarshalXML(enc *xml.Encoder, startElement xml.StartElement) error {
+	if !e.set {
+		return nil
+	}
+	type expirationWrapper Expiration
+	return enc.EncodeElement(expirationWrapper(e), startElement)
+}
+
+// ExpireDeleteMarker represents value of ExpiredObjectDeleteMarker field in Expiration XML element.
+type ExpireDeleteMarker struct {
+	val bool
+	set bool
+}
+
+// MarshalXML encodes delete marker boolean into an XML form.
+func (b ExpireDeleteMarker) MarshalXML(e *xml.Encoder, startElement xml.StartElement) error {
+	if !b.set {
+		return nil
+	}
+	return e.EncodeElement(b.val, startElement)
+}
+
+// ExpirationDate is a embedded type containing time.Time to unmarshal
+// Date in Expiration
+type ExpirationDate struct {
+	time.Time
+}
+
+// MarshalXML encodes expiration date if it is non-zero and encodes
+// empty string otherwise
+func (eDate ExpirationDate) MarshalXML(e *xml.Encoder, startElement xml.StartElement) error {
+	if eDate.Time.IsZero() {
+		return nil
+	}
+	return e.EncodeElement(eDate.Format(time.RFC3339), startElement)
+}
+
+// Transition - transition actions for a rule in lifecycle configuration.
+type Transition struct {
+	XMLName      xml.Name  `xml:"Transition"`
+	Days         int       `xml:"Days,omitempty"`
+	Date         time.Time `xml:"Date,omitempty"`
+	StorageClass string    `xml:"StorageClass,omitempty"`
+
+	set bool
+}
+
+// MarshalXML encodes transition field into an XML form.
+func (t Transition) MarshalXML(enc *xml.Encoder, start xml.StartElement) error {
+	if !t.set {
+		return nil
+	}
+	type transitionWrapper Transition
+	return enc.EncodeElement(transitionWrapper(t), start)
+}
+
+// TransitionDays is a type alias to unmarshal Days in Transition
+type TransitionDays int
--- a/weed/s3api/s3api_server.go
+++ b/weed/s3api/s3api_server.go
@ -115,14 +115,30 @@ func (s3a *S3ApiServer) registerRouter(router *mux.Router) {
 		bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.ListObjectsV2Handler, ACTION_LIST), "LIST")).Queries("list-type", "2")
 		// GetObject, but directory listing is not supported
 		bucket.Methods("GET").Path("/{object:.+}").HandlerFunc(track(s3a.iam.Auth(s3a.GetObjectHandler, ACTION_READ), "GET"))
-		// ListObjectsV1 (Legacy)
-		bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.ListObjectsV1Handler, ACTION_LIST), "LIST"))

 		// PostPolicy
 		bucket.Methods("POST").HeadersRegexp("Content-Type", "multipart/form-data*").HandlerFunc(track(s3a.iam.Auth(s3a.PostPolicyBucketHandler, ACTION_WRITE), "POST"))

 		// DeleteMultipleObjects
 		bucket.Methods("POST").HandlerFunc(track(s3a.iam.Auth(s3a.DeleteMultipleObjectsHandler, ACTION_WRITE), "DELETE")).Queries("delete", "")
+
+		// GetBucketACL
+		bucket.Methods("GET").HandlerFunc(s3a.iam.Auth(s3a.GetBucketAclHandler, ACTION_READ)).Queries("acl", "")
+
+		// GetObjectACL
+		bucket.Methods("GET").Path("/{object:.+}").HandlerFunc(s3a.iam.Auth(s3a.GetObjectAclHandler, ACTION_READ)).Queries("acl", "")
+
+		// GetBucketLifecycleConfiguration
+		bucket.Methods("GET").HandlerFunc(s3a.iam.Auth(s3a.GetBucketLifecycleConfigurationHandler, ACTION_READ)).Queries("lifecycle", "")
+
+		// PutBucketLifecycleConfiguration
+		bucket.Methods("PUT").HandlerFunc(s3a.iam.Auth(s3a.PutBucketLifecycleConfigurationHandler, ACTION_WRITE)).Queries("lifecycle", "")
+
+		// DeleteBucketLifecycleConfiguration
+		bucket.Methods("DELETE").HandlerFunc(s3a.iam.Auth(s3a.DeleteBucketLifecycleHandler, ACTION_WRITE)).Queries("lifecycle", "")
+
+		// ListObjectsV1 (Legacy)
+		bucket.Methods("GET").HandlerFunc(track(s3a.iam.Auth(s3a.ListObjectsV1Handler, ACTION_LIST), "LIST"))
 		/*

 			// not implemented
@ -132,8 +148,6 @@ func (s3a *S3ApiServer) registerRouter(router *mux.Router) {
 			bucket.Methods("GET").HandlerFunc(s3a.GetBucketPolicyHandler).Queries("policy", "")
 			// GetObjectACL
 			bucket.Methods("GET").Path("/{object:.+}").HandlerFunc(s3a.GetObjectACLHandler).Queries("acl", "")
-			// GetBucketACL
-			bucket.Methods("GET").HandlerFunc(s3a.GetBucketACLHandler).Queries("acl", "")
 			// PutBucketPolicy
 			bucket.Methods("PUT").HandlerFunc(s3a.PutBucketPolicyHandler).Queries("policy", "")
 			// DeleteBucketPolicy
--- a/weed/s3api/s3api_xsd_generated.go
+++ b/weed/s3api/s3api_xsd_generated.go
@ -8,12 +8,12 @@ import (
 )

 type AccessControlList struct {
-	Grant []Grant `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Grant,omitempty"`
+	Grant []Grant `xml:"Grant,omitempty"`
 }

 type AccessControlPolicy struct {
-	Owner             CanonicalUser     `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Owner"`
-	AccessControlList AccessControlList `xml:"http://s3.amazonaws.com/doc/2006-03-01/ AccessControlList"`
+	Owner             CanonicalUser     `xml:"Owner"`
+	AccessControlList AccessControlList `xml:"AccessControlList"`
 }

 type AmazonCustomerByEmail struct {
@ -467,11 +467,17 @@ func (t *GetObjectResult) UnmarshalXML(d *xml.Decoder, start xml.StartElement) e
 }

 type Grant struct {
-	Grantee    Grantee    `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Grantee"`
-	Permission Permission `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Permission"`
+	Grantee    Grantee    `xml:"Grantee"`
+	Permission Permission `xml:"Permission"`
 }

 type Grantee struct {
+	XMLNS       string `xml:"xmlns:xsi,attr"`
+	XMLXSI      string `xml:"xsi:type,attr"`
+	Type        string `xml:"Type"`
+	ID          string `xml:"ID,omitempty"`
+	DisplayName string `xml:"DisplayName,omitempty"`
+	URI         string `xml:"URI,omitempty"`
 }

 type Group struct {
--- a/weed/s3api/s3err/s3api_errors.go
+++ b/weed/s3api/s3err/s3api_errors.go
@ -51,6 +51,7 @@ const (
 	ErrBucketAlreadyExists
 	ErrBucketAlreadyOwnedByYou
 	ErrNoSuchBucket
+	ErrNoSuchLifecycleConfiguration
 	ErrNoSuchKey
 	ErrNoSuchUpload
 	ErrInvalidBucketName
@ -163,6 +164,11 @@ var errorCodeResponse = map[ErrorCode]APIError{
 		Description:    "The specified bucket does not exist",
 		HTTPStatusCode: http.StatusNotFound,
 	},
+	ErrNoSuchLifecycleConfiguration: {
+		Code:           "NoSuchLifecycleConfiguration",
+		Description:    "The lifecycle configuration does not exist",
+		HTTPStatusCode: http.StatusNotFound,
+	},
 	ErrNoSuchKey: {
 		Code:           "NoSuchKey",
 		Description:    "The specified key does not exist.",
@ -196,7 +202,7 @@ var errorCodeResponse = map[ErrorCode]APIError{
 		HTTPStatusCode: http.StatusBadRequest,
 	},
 	ErrInvalidTag: {
-		Code:           "InvalidArgument",
+		Code:           "InvalidTag",
 		Description:    "The Tag value you have provided is invalid",
 		HTTPStatusCode: http.StatusBadRequest,
 	},
--- a/weed/s3api/tags.go
+++ b/weed/s3api/tags.go
@ -14,8 +14,9 @@ type TagSet struct {
 }

 type Tagging struct {
-	XMLName xml.Name `xml:"http://s3.amazonaws.com/doc/2006-03-01/ Tagging"`
+	XMLName xml.Name `xml:"Tagging"`
 	TagSet  TagSet   `xml:"TagSet"`
+	Xmlns   string   `xml:"xmlns,attr"`
 }

 func (t *Tagging) ToTags() map[string]string {
@ -27,7 +28,7 @@ func (t *Tagging) ToTags() map[string]string {
 }

 func FromTags(tags map[string]string) (t *Tagging) {
-	t = &Tagging{}
+	t = &Tagging{Xmlns: "http://s3.amazonaws.com/doc/2006-03-01/"}
 	for k, v := range tags {
 		t.TagSet.Tag = append(t.TagSet.Tag, Tag{
 			Key:   k,
--- a/weed/s3api/tags_test.go
+++ b/weed/s3api/tags_test.go
@ -32,6 +32,7 @@ func TestXMLUnmarshall(t *testing.T) {

 func TestXMLMarshall(t *testing.T) {
 	tags := &Tagging{
+		Xmlns: "http://s3.amazonaws.com/doc/2006-03-01/",
 		TagSet: TagSet{
 			[]Tag{
 				{
--- a/weed/security/tls.go
+++ b/weed/security/tls.go
@ -4,18 +4,18 @@ import (
 	"context"
 	"crypto/tls"
 	"crypto/x509"
-	"github.com/chrislusf/seaweedfs/weed/util"
-	grpc_auth "github.com/grpc-ecosystem/go-grpc-middleware/auth"
-	"google.golang.org/grpc/codes"
-	"google.golang.org/grpc/peer"
-	"google.golang.org/grpc/status"
-	"io/ioutil"
+	"os"
 	"strings"

+	grpc_auth "github.com/grpc-ecosystem/go-grpc-middleware/auth"
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/peer"
+	"google.golang.org/grpc/status"

 	"github.com/chrislusf/seaweedfs/weed/glog"
+	"github.com/chrislusf/seaweedfs/weed/util"
 )

 type Authenticator struct {
@ -37,7 +37,7 @@ func LoadServerTLS(config *util.ViperProxy, component string) (grpc.ServerOption
 			err)
 		return nil, nil
 	}
-	caCert, err := ioutil.ReadFile(config.GetString("grpc.ca"))
+	caCert, err := os.ReadFile(config.GetString("grpc.ca"))
 	if err != nil {
 		glog.V(1).Infof("read ca cert file %s error: %v", config.GetString("grpc.ca"), err)
 		return nil, nil
@ -82,7 +82,7 @@ func LoadClientTLS(config *util.ViperProxy, component string) grpc.DialOption {
 		glog.V(1).Infof("load cert/key error: %v", err)
 		return grpc.WithInsecure()
 	}
-	caCert, err := ioutil.ReadFile(caFileName)
+	caCert, err := os.ReadFile(caFileName)
 	if err != nil {
 		glog.V(1).Infof("read ca cert file error: %v", err)
 		return grpc.WithInsecure()
--- a/weed/server/common.go
+++ b/weed/server/common.go
@ -9,6 +9,7 @@ import (
 	"io/fs"
 	"mime/multipart"
 	"net/http"
+	"net/url"
 	"path/filepath"
 	"strconv"
 	"strings"
@ -250,7 +251,16 @@ func handleStaticResources2(r *mux.Router) {
 }

 func adjustHeaderContentDisposition(w http.ResponseWriter, r *http.Request, filename string) {
+	responseContentDisposition := r.FormValue("response-content-disposition")
+	if responseContentDisposition != "" {
+		w.Header().Set("Content-Disposition", responseContentDisposition)
+		return
+	}
+	if w.Header().Get("Content-Disposition") != "" {
+		return
+	}
 	if filename != "" {
+		filename = url.QueryEscape(filename)
 		contentDisposition := "inline"
 		if r.FormValue("dl") != "" {
 			if dl, _ := strconv.ParseBool(r.FormValue("dl")); dl {
--- a/weed/server/filer_grpc_server_rename.go
+++ b/weed/server/filer_grpc_server_rename.go
@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"path/filepath"
+	"time"

 	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/chrislusf/seaweedfs/weed/glog"
@ -33,7 +34,7 @@ func (fs *FilerServer) AtomicRenameEntry(ctx context.Context, req *filer_pb.Atom
 		return nil, fmt.Errorf("%s/%s not found: %v", req.OldDirectory, req.OldName, err)
 	}

-	moveErr := fs.moveEntry(ctx, oldParent, oldEntry, newParent, req.NewName, req.Signatures)
+	moveErr := fs.moveEntry(ctx, nil, oldParent, oldEntry, newParent, req.NewName, req.Signatures)
 	if moveErr != nil {
 		fs.filer.RollbackTransaction(ctx)
 		return nil, fmt.Errorf("%s/%s move error: %v", req.OldDirectory, req.OldName, moveErr)
@ -47,11 +48,49 @@ func (fs *FilerServer) AtomicRenameEntry(ctx context.Context, req *filer_pb.Atom
 	return &filer_pb.AtomicRenameEntryResponse{}, nil
 }

-func (fs *FilerServer) moveEntry(ctx context.Context, oldParent util.FullPath, entry *filer.Entry, newParent util.FullPath, newName string, signatures []int32) error {
+func (fs *FilerServer) StreamRenameEntry(req *filer_pb.StreamRenameEntryRequest, stream filer_pb.SeaweedFiler_StreamRenameEntryServer) (err error) {

-	if err := fs.moveSelfEntry(ctx, oldParent, entry, newParent, newName, func() error {
+	glog.V(1).Infof("StreamRenameEntry %v", req)
+
+	oldParent := util.FullPath(filepath.ToSlash(req.OldDirectory))
+	newParent := util.FullPath(filepath.ToSlash(req.NewDirectory))
+
+	if err := fs.filer.CanRename(oldParent, newParent); err != nil {
+		return err
+	}
+
+	ctx := context.Background()
+
+	ctx, err = fs.filer.BeginTransaction(ctx)
+	if err != nil {
+		return err
+	}
+
+	oldEntry, err := fs.filer.FindEntry(ctx, oldParent.Child(req.OldName))
+	if err != nil {
+		fs.filer.RollbackTransaction(ctx)
+		return fmt.Errorf("%s/%s not found: %v", req.OldDirectory, req.OldName, err)
+	}
+
+	moveErr := fs.moveEntry(ctx, stream, oldParent, oldEntry, newParent, req.NewName, req.Signatures)
+	if moveErr != nil {
+		fs.filer.RollbackTransaction(ctx)
+		return fmt.Errorf("%s/%s move error: %v", req.OldDirectory, req.OldName, moveErr)
+	} else {
+		if commitError := fs.filer.CommitTransaction(ctx); commitError != nil {
+			fs.filer.RollbackTransaction(ctx)
+			return fmt.Errorf("%s/%s move commit error: %v", req.OldDirectory, req.OldName, commitError)
+		}
+	}
+
+	return nil
+}
+
+func (fs *FilerServer) moveEntry(ctx context.Context, stream filer_pb.SeaweedFiler_StreamRenameEntryServer, oldParent util.FullPath, entry *filer.Entry, newParent util.FullPath, newName string, signatures []int32) error {
+
+	if err := fs.moveSelfEntry(ctx, stream, oldParent, entry, newParent, newName, func() error {
 		if entry.IsDirectory() {
-			if err := fs.moveFolderSubEntries(ctx, oldParent, entry, newParent, newName, signatures); err != nil {
+			if err := fs.moveFolderSubEntries(ctx, stream, oldParent, entry, newParent, newName, signatures); err != nil {
 				return err
 			}
 		}
@ -63,7 +102,7 @@ func (fs *FilerServer) moveEntry(ctx context.Context, oldParent util.FullPath, e
 	return nil
 }

-func (fs *FilerServer) moveFolderSubEntries(ctx context.Context, oldParent util.FullPath, entry *filer.Entry, newParent util.FullPath, newName string, signatures []int32) error {
+func (fs *FilerServer) moveFolderSubEntries(ctx context.Context, stream filer_pb.SeaweedFiler_StreamRenameEntryServer, oldParent util.FullPath, entry *filer.Entry, newParent util.FullPath, newName string, signatures []int32) error {

 	currentDirPath := oldParent.Child(entry.Name())
 	newDirPath := newParent.Child(newName)
@ -84,7 +123,7 @@ func (fs *FilerServer) moveFolderSubEntries(ctx context.Context, oldParent util.
 		for _, item := range entries {
 			lastFileName = item.Name()
 			// println("processing", lastFileName)
-			err := fs.moveEntry(ctx, currentDirPath, item, newDirPath, item.Name(), signatures)
+			err := fs.moveEntry(ctx, stream, currentDirPath, item, newDirPath, item.Name(), signatures)
 			if err != nil {
 				return err
 			}
@ -96,7 +135,7 @@ func (fs *FilerServer) moveFolderSubEntries(ctx context.Context, oldParent util.
 	return nil
 }

-func (fs *FilerServer) moveSelfEntry(ctx context.Context, oldParent util.FullPath, entry *filer.Entry, newParent util.FullPath, newName string, moveFolderSubEntries func() error, signatures []int32) error {
+func (fs *FilerServer) moveSelfEntry(ctx context.Context, stream filer_pb.SeaweedFiler_StreamRenameEntryServer, oldParent util.FullPath, entry *filer.Entry, newParent util.FullPath, newName string, moveFolderSubEntries func() error, signatures []int32) error {

 	oldPath, newPath := oldParent.Child(entry.Name()), newParent.Child(newName)

@ -118,6 +157,24 @@ func (fs *FilerServer) moveSelfEntry(ctx context.Context, oldParent util.FullPat
 	if createErr := fs.filer.CreateEntry(ctx, newEntry, false, false, signatures); createErr != nil {
 		return createErr
 	}
+	if stream != nil {
+		if err := stream.Send(&filer_pb.StreamRenameEntryResponse{
+			Directory: string(newParent),
+			EventNotification: &filer_pb.EventNotification{
+				OldEntry:           &filer_pb.Entry{
+					Name: entry.Name(),
+				},
+				NewEntry:           newEntry.ToProtoEntry(),
+				DeleteChunks:       false,
+				NewParentPath:      string(newParent),
+				IsFromOtherCluster: false,
+				Signatures:         nil,
+			},
+			TsNs: time.Now().UnixNano(),
+		}); err != nil {
+			return err
+		}
+	}

 	if moveFolderSubEntries != nil {
 		if moveChildrenErr := moveFolderSubEntries(); moveChildrenErr != nil {
@ -130,6 +187,24 @@ func (fs *FilerServer) moveSelfEntry(ctx context.Context, oldParent util.FullPat
 	if deleteErr != nil {
 		return deleteErr
 	}
+	if stream != nil {
+		if err := stream.Send(&filer_pb.StreamRenameEntryResponse{
+			Directory: string(oldParent),
+			EventNotification: &filer_pb.EventNotification{
+				OldEntry: &filer_pb.Entry{
+					Name: entry.Name(),
+				},
+				NewEntry:           nil,
+				DeleteChunks:       false,
+				NewParentPath:      "",
+				IsFromOtherCluster: false,
+				Signatures:         nil,
+			},
+			TsNs: time.Now().UnixNano(),
+		}); err != nil {
+			return err
+		}
+	}

 	return nil

--- a/weed/server/filer_grpc_server_sub_meta.go
+++ b/weed/server/filer_grpc_server_sub_meta.go
@ -101,6 +101,7 @@ func (fs *FilerServer) SubscribeLocalMetadata(req *filer_pb.SubscribeMetadataReq
 		glog.V(0).Infof("read on disk %v local subscribe %s from %+v", clientName, req.PathPrefix, lastReadTime)
 		processedTsNs, readPersistedLogErr = fs.filer.ReadPersistedLogBuffer(lastReadTime, eachLogEntryFn)
 		if readPersistedLogErr != nil {
+			glog.V(0).Infof("read on disk %v local subscribe %s from %+v: %v", clientName, req.PathPrefix, lastReadTime, readPersistedLogErr)
 			return fmt.Errorf("reading from persisted logs: %v", readPersistedLogErr)
 		}

--- a/weed/server/filer_server_handlers_read.go
+++ b/weed/server/filer_server_handlers_read.go
@ -7,7 +7,6 @@ import (
 	"io"
 	"mime"
 	"net/http"
-	"net/url"
 	"path/filepath"
 	"strconv"
 	"strings"
@ -114,17 +113,15 @@ func (fs *FilerServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request)
 	w.Header().Set("Access-Control-Expose-Headers", strings.Join(seaweedHeaders, ","))

 	//set tag count
-	if r.Method == "GET" {
-		tagCount := 0
-		for k := range entry.Extended {
-			if strings.HasPrefix(k, xhttp.AmzObjectTagging+"-") {
-				tagCount++
-			}
-		}
-		if tagCount > 0 {
-			w.Header().Set(xhttp.AmzTagCount, strconv.Itoa(tagCount))
+	tagCount := 0
+	for k := range entry.Extended {
+		if strings.HasPrefix(k, xhttp.AmzObjectTagging+"-") {
+			tagCount++
 		}
 	}
+	if tagCount > 0 {
+		w.Header().Set(xhttp.AmzTagCount, strconv.Itoa(tagCount))
+	}

 	if inm := r.Header.Get("If-None-Match"); inm == "\""+etag+"\"" {
 		w.WriteHeader(http.StatusNotModified)
@ -133,7 +130,6 @@ func (fs *FilerServer) GetOrHeadHandler(w http.ResponseWriter, r *http.Request)
 	setEtag(w, etag)

 	filename := entry.Name()
-	filename = url.QueryEscape(filename)
 	adjustHeaderContentDisposition(w, r, filename)

 	totalSize := int64(entry.Size())
--- a/weed/server/filer_server_handlers_write_autochunk.go
+++ b/weed/server/filer_server_handlers_write_autochunk.go
@ -218,7 +218,7 @@ func (fs *FilerServer) saveMetaData(ctx context.Context, r *http.Request, fileNa
 	entry.Extended = SaveAmzMetaData(r, entry.Extended, false)

 	for k, v := range r.Header {
-		if len(v) > 0 && (strings.HasPrefix(k, needle.PairNamePrefix) || k == "Cache-Control" || k == "Expires") {
+		if len(v) > 0 && (strings.HasPrefix(k, needle.PairNamePrefix) || k == "Cache-Control" || k == "Expires" || k == "Content-Disposition") {
 			entry.Extended[k] = []byte(v[0])
 		}
 	}
@ -327,6 +327,8 @@ func SaveAmzMetaData(r *http.Request, existing map[string][]byte, isReplace bool
 			tag := strings.Split(v, "=")
 			if len(tag) == 2 {
 				metadata[xhttp.AmzObjectTagging+"-"+tag[0]] = []byte(tag[1])
+			} else if len(tag) == 1 {
+				metadata[xhttp.AmzObjectTagging+"-"+tag[0]] = nil
 			}
 		}
 	}
--- a/weed/server/filer_server_handlers_write_upload.go
+++ b/weed/server/filer_server_handlers_write_upload.go
@ -5,7 +5,6 @@ import (
 	"crypto/md5"
 	"hash"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"sort"
 	"strings"
@ -31,7 +30,7 @@ var bufPool = sync.Pool{
 func (fs *FilerServer) uploadReaderToChunks(w http.ResponseWriter, r *http.Request, reader io.Reader, chunkSize int32, fileName, contentType string, contentLength int64, so *operation.StorageOption) (fileChunks []*filer_pb.FileChunk, md5Hash hash.Hash, chunkOffset int64, uploadErr error, smallContent []byte) {

 	md5Hash = md5.New()
-	var partReader = ioutil.NopCloser(io.TeeReader(reader, md5Hash))
+	var partReader = io.NopCloser(io.TeeReader(reader, md5Hash))

 	var wg sync.WaitGroup
 	var bytesBufferCounter int64
@ -57,7 +56,7 @@ func (fs *FilerServer) uploadReaderToChunks(w http.ResponseWriter, r *http.Reque

 		dataSize, err := bytesBuffer.ReadFrom(limitedReader)

-		// data, err := ioutil.ReadAll(limitedReader)
+		// data, err := io.ReadAll(limitedReader)
 		if err != nil || dataSize == 0 {
 			bufPool.Put(bytesBuffer)
 			atomic.AddInt64(&bytesBufferCounter, -1)
--- a/weed/server/volume_grpc_copy.go
+++ b/weed/server/volume_grpc_copy.go
@ -3,20 +3,19 @@ package weed_server
 import (
 	"context"
 	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/pb"
-	"github.com/chrislusf/seaweedfs/weed/storage/types"
 	"io"
-	"io/ioutil"
 	"math"
 	"os"
 	"time"

 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/operation"
+	"github.com/chrislusf/seaweedfs/weed/pb"
 	"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
 	"github.com/chrislusf/seaweedfs/weed/storage"
 	"github.com/chrislusf/seaweedfs/weed/storage/erasure_coding"
 	"github.com/chrislusf/seaweedfs/weed/storage/needle"
+	"github.com/chrislusf/seaweedfs/weed/storage/types"
 	"github.com/chrislusf/seaweedfs/weed/util"
 )

@ -68,7 +67,7 @@ func (vs *VolumeServer) VolumeCopy(ctx context.Context, req *volume_server_pb.Vo
 		dataBaseFileName = storage.VolumeFileName(location.Directory, volFileInfoResp.Collection, int(req.VolumeId))
 		indexBaseFileName = storage.VolumeFileName(location.IdxDirectory, volFileInfoResp.Collection, int(req.VolumeId))

-		ioutil.WriteFile(dataBaseFileName+".note", []byte(fmt.Sprintf("copying from %s", req.SourceDataNode)), 0755)
+		os.WriteFile(dataBaseFileName+".note", []byte(fmt.Sprintf("copying from %s", req.SourceDataNode)), 0755)

 		defer func() {
 			if err != nil {
--- a/weed/server/volume_grpc_erasure_coding.go
+++ b/weed/server/volume_grpc_erasure_coding.go
@ -3,10 +3,7 @@ package weed_server
 import (
 	"context"
 	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/pb"
-	"github.com/chrislusf/seaweedfs/weed/storage/volume_info"
 	"io"
-	"io/ioutil"
 	"math"
 	"os"
 	"path"
@ -14,11 +11,13 @@ import (

 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/operation"
+	"github.com/chrislusf/seaweedfs/weed/pb"
 	"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
 	"github.com/chrislusf/seaweedfs/weed/storage"
 	"github.com/chrislusf/seaweedfs/weed/storage/erasure_coding"
 	"github.com/chrislusf/seaweedfs/weed/storage/needle"
 	"github.com/chrislusf/seaweedfs/weed/storage/types"
+	"github.com/chrislusf/seaweedfs/weed/storage/volume_info"
 	"github.com/chrislusf/seaweedfs/weed/util"
 )

@ -200,12 +199,12 @@ func (vs *VolumeServer) VolumeEcShardsDelete(ctx context.Context, req *volume_se
 	existingShardCount := 0

 	for _, location := range vs.store.Locations {
-		fileInfos, err := ioutil.ReadDir(location.Directory)
+		fileInfos, err := os.ReadDir(location.Directory)
 		if err != nil {
 			continue
 		}
 		if location.IdxDirectory != location.Directory {
-			idxFileInfos, err := ioutil.ReadDir(location.IdxDirectory)
+			idxFileInfos, err := os.ReadDir(location.IdxDirectory)
 			if err != nil {
 				continue
 			}
--- a/weed/shell/command_fs_configure.go
+++ b/weed/shell/command_fs_configure.go
@ -62,7 +62,7 @@ func (c *commandFsConfigure) Do(args []string, commandEnv *CommandEnv, writer io
 		return nil
 	}

-	fc, err := readFilerConf(commandEnv)
+	fc, err := filer.ReadFilerConf(commandEnv.option.FilerAddress, commandEnv.option.GrpcDialOption, commandEnv.MasterClient)
 	if err != nil {
 		return err
 	}
@ -122,20 +122,3 @@ func (c *commandFsConfigure) Do(args []string, commandEnv *CommandEnv, writer io
 	return nil

 }
-
-func readFilerConf(commandEnv *CommandEnv) (*filer.FilerConf, error) {
-	var buf bytes.Buffer
-	if err := commandEnv.WithFilerClient(func(client filer_pb.SeaweedFilerClient) error {
-		return filer.ReadEntry(commandEnv.MasterClient, client, filer.DirectoryEtcSeaweedFS, filer.FilerConfName, &buf)
-	}); err != nil && err != filer_pb.ErrNotFound {
-		return nil, fmt.Errorf("read %s/%s: %v", filer.DirectoryEtcSeaweedFS, filer.FilerConfName, err)
-	}
-
-	fc := filer.NewFilerConf()
-	if buf.Len() > 0 {
-		if err := fc.LoadFromBytes(buf.Bytes()); err != nil {
-			return nil, fmt.Errorf("parse %s/%s: %v", filer.DirectoryEtcSeaweedFS, filer.FilerConfName, err)
-		}
-	}
-	return fc, nil
-}
--- a/weed/shell/command_volume_fsck.go
+++ b/weed/shell/command_volume_fsck.go
@ -5,10 +5,7 @@ import (
 	"context"
 	"flag"
 	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/pb"
-	"github.com/chrislusf/seaweedfs/weed/storage/needle"
 	"io"
-	"io/ioutil"
 	"math"
 	"os"
 	"path/filepath"
@ -16,9 +13,11 @@ import (

 	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/chrislusf/seaweedfs/weed/operation"
+	"github.com/chrislusf/seaweedfs/weed/pb"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
 	"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
 	"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
+	"github.com/chrislusf/seaweedfs/weed/storage/needle"
 	"github.com/chrislusf/seaweedfs/weed/storage/needle_map"
 	"github.com/chrislusf/seaweedfs/weed/storage/types"
 	"github.com/chrislusf/seaweedfs/weed/util"
@ -74,7 +73,7 @@ func (c *commandVolumeFsck) Do(args []string, commandEnv *CommandEnv, writer io.
 	c.env = commandEnv

 	// create a temp folder
-	tempFolder, err := ioutil.TempDir("", "sw_fsck")
+	tempFolder, err := os.MkdirTemp("", "sw_fsck")
 	if err != nil {
 		return fmt.Errorf("failed to create temp folder: %v", err)
 	}
@ -402,7 +401,7 @@ func (c *commandVolumeFsck) oneVolumeFileIdsSubtractFilerFileIds(tempFolder stri
 		return
 	}

-	filerFileIdsData, err := ioutil.ReadFile(getFilerFileIdFile(tempFolder, volumeId))
+	filerFileIdsData, err := os.ReadFile(getFilerFileIdFile(tempFolder, volumeId))
 	if err != nil {
 		return
 	}
--- a/weed/storage/disk_location.go
+++ b/weed/storage/disk_location.go
@ -2,8 +2,6 @@ package storage

 import (
 	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/storage/types"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
@ -14,6 +12,7 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/stats"
 	"github.com/chrislusf/seaweedfs/weed/storage/erasure_coding"
 	"github.com/chrislusf/seaweedfs/weed/storage/needle"
+	"github.com/chrislusf/seaweedfs/weed/storage/types"
 	"github.com/chrislusf/seaweedfs/weed/util"
 )

@ -85,9 +84,9 @@ func getValidVolumeName(basename string) string {
 	return ""
 }

-func (l *DiskLocation) loadExistingVolume(fileInfo os.FileInfo, needleMapKind NeedleMapKind) bool {
-	basename := fileInfo.Name()
-	if fileInfo.IsDir() {
+func (l *DiskLocation) loadExistingVolume(dirEntry os.DirEntry, needleMapKind NeedleMapKind) bool {
+	basename := dirEntry.Name()
+	if dirEntry.IsDir() {
 		return false
 	}
 	volumeName := getValidVolumeName(basename)
@ -103,7 +102,7 @@ func (l *DiskLocation) loadExistingVolume(fileInfo os.FileInfo, needleMapKind Ne
 	// check for incomplete volume
 	noteFile := l.Directory + "/" + volumeName + ".note"
 	if util.FileExists(noteFile) {
-		note, _ := ioutil.ReadFile(noteFile)
+		note, _ := os.ReadFile(noteFile)
 		glog.Warningf("volume %s was not completed: %s", volumeName, string(note))
 		removeVolumeFiles(l.Directory + "/" + volumeName)
 		removeVolumeFiles(l.IdxDirectory + "/" + volumeName)
@ -143,18 +142,18 @@ func (l *DiskLocation) loadExistingVolume(fileInfo os.FileInfo, needleMapKind Ne

 func (l *DiskLocation) concurrentLoadingVolumes(needleMapKind NeedleMapKind, concurrency int) {

-	task_queue := make(chan os.FileInfo, 10*concurrency)
+	task_queue := make(chan os.DirEntry, 10*concurrency)
 	go func() {
 		foundVolumeNames := make(map[string]bool)
-		if fileInfos, err := ioutil.ReadDir(l.Directory); err == nil {
-			for _, fi := range fileInfos {
-				volumeName := getValidVolumeName(fi.Name())
+		if dirEntries, err := os.ReadDir(l.Directory); err == nil {
+			for _, entry := range dirEntries {
+				volumeName := getValidVolumeName(entry.Name())
 				if volumeName == "" {
 					continue
 				}
 				if _, found := foundVolumeNames[volumeName]; !found {
 					foundVolumeNames[volumeName] = true
-					task_queue <- fi
+					task_queue <- entry
 				}
 			}
 		}
@ -332,12 +331,12 @@ func (l *DiskLocation) Close() {
 	return
 }

-func (l *DiskLocation) LocateVolume(vid needle.VolumeId) (os.FileInfo, bool) {
-	if fileInfos, err := ioutil.ReadDir(l.Directory); err == nil {
-		for _, fileInfo := range fileInfos {
-			volId, _, err := volumeIdFromFileName(fileInfo.Name())
+func (l *DiskLocation) LocateVolume(vid needle.VolumeId) (os.DirEntry, bool) {
+	if dirEntries, err := os.ReadDir(l.Directory); err == nil {
+		for _, entry := range dirEntries {
+			volId, _, err := volumeIdFromFileName(entry.Name())
 			if vid == volId && err == nil {
-				return fileInfo, true
+				return entry, true
 			}
 		}
 	}
--- a/weed/storage/disk_location_ec.go
+++ b/weed/storage/disk_location_ec.go
@ -2,7 +2,6 @@ package storage

 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path"
 	"regexp"
@ -118,25 +117,25 @@ func (l *DiskLocation) loadEcShards(shards []string, collection string, vid need

 func (l *DiskLocation) loadAllEcShards() (err error) {

-	fileInfos, err := ioutil.ReadDir(l.Directory)
+	dirEntries, err := os.ReadDir(l.Directory)
 	if err != nil {
 		return fmt.Errorf("load all ec shards in dir %s: %v", l.Directory, err)
 	}
 	if l.IdxDirectory != l.Directory {
-		indexFileInfos, err := ioutil.ReadDir(l.IdxDirectory)
+		indexDirEntries, err := os.ReadDir(l.IdxDirectory)
 		if err != nil {
 			return fmt.Errorf("load all ec shards in dir %s: %v", l.IdxDirectory, err)
 		}
-		fileInfos = append(fileInfos, indexFileInfos...)
+		dirEntries = append(dirEntries, indexDirEntries...)
 	}

-	sort.Slice(fileInfos, func(i, j int) bool {
-		return fileInfos[i].Name() < fileInfos[j].Name()
+	sort.Slice(dirEntries, func(i, j int) bool {
+		return dirEntries[i].Name() < dirEntries[j].Name()
 	})

 	var sameVolumeShards []string
 	var prevVolumeId needle.VolumeId
-	for _, fileInfo := range fileInfos {
+	for _, fileInfo := range dirEntries {
 		if fileInfo.IsDir() {
 			continue
 		}
--- a/weed/storage/needle/needle_parse_upload.go
+++ b/weed/storage/needle/needle_parse_upload.go
@ -6,7 +6,6 @@ import (
 	"encoding/base64"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"mime"
 	"net/http"
 	"path"
@ -108,7 +107,7 @@ func parsePut(r *http.Request, sizeLimit int64, pu *ParsedUpload) error {
 	pu.FileName = ""
 	dataSize, err := pu.bytesBuffer.ReadFrom(io.LimitReader(r.Body, sizeLimit+1))
 	if err == io.EOF || dataSize == sizeLimit+1 {
-		io.Copy(ioutil.Discard, r.Body)
+		io.Copy(io.Discard, r.Body)
 	}
 	pu.Data = pu.bytesBuffer.Bytes()
 	r.Body.Close()
@ -118,7 +117,7 @@ func parsePut(r *http.Request, sizeLimit int64, pu *ParsedUpload) error {
 func parseMultipart(r *http.Request, sizeLimit int64, pu *ParsedUpload) (e error) {
 	defer func() {
 		if e != nil && r.Body != nil {
-			io.Copy(ioutil.Discard, r.Body)
+			io.Copy(io.Discard, r.Body)
 			r.Body.Close()
 		}
 	}()
--- a/weed/storage/needle/needle_read_write_test.go
+++ b/weed/storage/needle/needle_read_write_test.go
@ -1,7 +1,6 @@
 package needle

 import (
-	"io/ioutil"
 	"os"
 	"testing"

@ -31,7 +30,7 @@ func TestAppend(t *testing.T) {
 		Padding:      nil,                 // Padding    []byte `comment:"Aligned to 8 bytes"`
 	}

-	tempFile, err := ioutil.TempFile("", ".dat")
+	tempFile, err := os.CreateTemp("", ".dat")
 	if err != nil {
 		t.Errorf("Fail TempFile. %v", err)
 		return
--- a/weed/storage/needle_map_metric_test.go
+++ b/weed/storage/needle_map_metric_test.go
@ -1,8 +1,8 @@
 package storage

 import (
-	"io/ioutil"
 	"math/rand"
+	"os"
 	"testing"

 	"github.com/chrislusf/seaweedfs/weed/glog"
@ -11,7 +11,7 @@ import (

 func TestFastLoadingNeedleMapMetrics(t *testing.T) {

-	idxFile, _ := ioutil.TempFile("", "tmp.idx")
+	idxFile, _ := os.CreateTemp("", "tmp.idx")
 	nm := NewCompactNeedleMap(idxFile)

 	for i := 0; i < 10000; i++ {
--- a/weed/storage/volume_backup.go
+++ b/weed/storage/volume_backup.go
@ -194,6 +194,35 @@ func (v *Volume) BinarySearchByAppendAtNs(sinceNs uint64) (offset Offset, isLast
 			err = fmt.Errorf("read entry %d: %v", m, err)
 			return
 		}
+		if offset.IsZero() {
+			leftIndex, _, leftNs, leftErr := v.readLeftNs(m)
+			if leftErr != nil {
+				err = leftErr
+				return
+			}
+			rightIndex, rightOffset, rightNs, rightErr := v.readRightNs(m)
+			if rightErr != nil {
+				err = rightErr
+				return
+			}
+			if rightNs <= sinceNs {
+				l = rightIndex
+				if l == entryCount {
+					return Offset{}, true, nil
+				} else {
+					continue
+				}
+			}
+			if sinceNs < leftNs {
+				h = leftIndex + 1
+				continue
+			}
+			return rightOffset, false, nil
+
+		}
+		if offset.IsZero() {
+			return Offset{}, true, nil
+		}

 		mNs, nsReadErr := v.readAppendAtNs(offset)
 		if nsReadErr != nil {
@ -220,6 +249,38 @@ func (v *Volume) BinarySearchByAppendAtNs(sinceNs uint64) (offset Offset, isLast

 }

+func (v *Volume) readRightNs(m int64) (index int64, offset Offset, ts uint64, err error) {
+	index = m
+	for offset.IsZero() {
+		index++
+		offset, err = v.readOffsetFromIndex(index)
+		if err != nil {
+			err = fmt.Errorf("read entry %d: %v", index, err)
+			return
+		}
+	}
+	if !offset.IsZero() {
+		ts, err = v.readAppendAtNs(offset)
+	}
+	return
+}
+
+func (v *Volume) readLeftNs(m int64) (index int64, offset Offset, ts uint64, err error) {
+	index = m
+	for offset.IsZero() {
+		index--
+		offset, err = v.readOffsetFromIndex(index)
+		if err != nil {
+			err = fmt.Errorf("read entry %d: %v", index, err)
+			return
+		}
+	}
+	if !offset.IsZero() {
+		ts, err = v.readAppendAtNs(offset)
+	}
+	return
+}
+
 // bytes is of size NeedleMapEntrySize
 func (v *Volume) readOffsetFromIndex(m int64) (Offset, error) {
 	v.dataFileAccessLock.RLock()
--- a/weed/storage/volume_info/volume_info.go
+++ b/weed/storage/volume_info/volume_info.go
@ -3,15 +3,14 @@ package volume_info
 import (
 	"bytes"
 	"fmt"
-	"io/ioutil"
-
-	_ "github.com/chrislusf/seaweedfs/weed/storage/backend/s3_backend"
-	"github.com/chrislusf/seaweedfs/weed/util"
+	"os"

 	"github.com/golang/protobuf/jsonpb"

 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
+	_ "github.com/chrislusf/seaweedfs/weed/storage/backend/s3_backend"
+	"github.com/chrislusf/seaweedfs/weed/util"
 )

 // MaybeLoadVolumeInfo load the file data as *volume_server_pb.VolumeInfo, the returned volumeInfo will not be nil
@ -36,7 +35,7 @@ func MaybeLoadVolumeInfo(fileName string) (volumeInfo *volume_server_pb.VolumeIn
 	hasVolumeInfoFile = true

 	glog.V(1).Infof("maybeLoadVolumeInfo reads %s", fileName)
-	tierData, readErr := ioutil.ReadFile(fileName)
+	tierData, readErr := os.ReadFile(fileName)
 	if readErr != nil {
 		glog.Warningf("fail to read %s : %v", fileName, readErr)
 		err = fmt.Errorf("fail to read %s : %v", fileName, readErr)
@ -76,7 +75,7 @@ func SaveVolumeInfo(fileName string, volumeInfo *volume_server_pb.VolumeInfo) er
 		return fmt.Errorf("marshal to %s: %v", fileName, marshalErr)
 	}

-	writeErr := ioutil.WriteFile(fileName, []byte(text), 0755)
+	writeErr := os.WriteFile(fileName, []byte(text), 0755)
 	if writeErr != nil {
 		return fmt.Errorf("fail to write %s : %v", fileName, writeErr)
 	}
--- a/weed/storage/volume_vacuum_test.go
+++ b/weed/storage/volume_vacuum_test.go
@ -1,7 +1,6 @@
 package storage

 import (
-	"io/ioutil"
 	"math/rand"
 	"os"
 	"testing"
@ -45,7 +44,7 @@ preparing test prerequisite easier )
 func TestMakeDiff(t *testing.T) {

 	v := new(Volume)
-	//lastCompactIndexOffset value is the index file size before step 4
+	// lastCompactIndexOffset value is the index file size before step 4
 	v.lastCompactIndexOffset = 96
 	v.SuperBlock.Version = 0x2
 	/*
@ -63,7 +62,7 @@ func TestMakeDiff(t *testing.T) {
 }

 func TestCompaction(t *testing.T) {
-	dir, err := ioutil.TempDir("", "example")
+	dir, err := os.MkdirTemp("", "example")
 	if err != nil {
 		t.Fatalf("temp dir creation: %v", err)
 	}
--- a/weed/storage/volume_write_test.go
+++ b/weed/storage/volume_write_test.go
@ -2,16 +2,17 @@ package storage

 import (
 	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/storage/needle"
-	"github.com/chrislusf/seaweedfs/weed/storage/super_block"
-	"io/ioutil"
 	"os"
 	"testing"
 	"time"
+
+	"github.com/chrislusf/seaweedfs/weed/storage/needle"
+	"github.com/chrislusf/seaweedfs/weed/storage/super_block"
+	"github.com/chrislusf/seaweedfs/weed/storage/types"
 )

 func TestSearchVolumesWithDeletedNeedles(t *testing.T) {
-	dir, err := ioutil.TempDir("", "example")
+	dir, err := os.MkdirTemp("", "example")
 	if err != nil {
 		t.Fatalf("temp dir creation: %v", err)
 	}
@ -22,9 +23,9 @@ func TestSearchVolumesWithDeletedNeedles(t *testing.T) {
 		t.Fatalf("volume creation: %v", err)
 	}

-	count := 10
+	count := 20

-	for i:=1;i<count;i++{
+	for i := 1; i < count; i++ {
 		n := newRandomNeedle(uint64(i))
 		_, _, _, err := v.writeNeedle2(n, true, false)
 		if err != nil {
@ -32,9 +33,9 @@ func TestSearchVolumesWithDeletedNeedles(t *testing.T) {
 		}
 	}

-	for i:=1;i<5;i++{
+	for i := 1; i < 15; i++ {
 		n := newEmptyNeedle(uint64(i))
-		_, err := v.doDeleteRequest(n)
+		err := v.nm.Put(n.Id, types.Offset{}, types.TombstoneFileSize)
 		if err != nil {
 			t.Fatalf("delete needle %d: %v", i, err)
 		}
@ -42,15 +43,12 @@ func TestSearchVolumesWithDeletedNeedles(t *testing.T) {

 	ts1 := time.Now().UnixNano()

-	var ts2 uint64
-
-	for i:=5;i<count;i++{
+	for i := 15; i < count; i++ {
 		n := newEmptyNeedle(uint64(i))
 		_, err := v.doDeleteRequest(n)
 		if err != nil {
 			t.Fatalf("delete needle %d: %v", i, err)
 		}
-		ts2 = n.AppendAtNs
 	}

 	offset, isLast, err := v.BinarySearchByAppendAtNs(uint64(ts1))
@ -59,11 +57,4 @@ func TestSearchVolumesWithDeletedNeedles(t *testing.T) {
 	}
 	fmt.Printf("offset: %v, isLast: %v\n", offset.ToActualOffset(), isLast)

-	offset, isLast, err = v.BinarySearchByAppendAtNs(uint64(ts2))
-	if err != nil {
-		t.Fatalf("lookup by ts: %v", err)
-	}
-	fmt.Printf("offset: %v, isLast: %v\n", offset.ToActualOffset(), isLast)
-
-
-}
+}
--- a/weed/util/chunk_cache/chunk_cache_on_disk_test.go
+++ b/weed/util/chunk_cache/chunk_cache_on_disk_test.go
@ -3,7 +3,6 @@ package chunk_cache
 import (
 	"bytes"
 	"fmt"
-	"io/ioutil"
 	"math/rand"
 	"os"
 	"testing"
@ -11,7 +10,7 @@ import (

 func TestOnDisk(t *testing.T) {

-	tmpDir, _ := ioutil.TempDir("", "c")
+	tmpDir, _ := os.MkdirTemp("", "c")
 	defer os.RemoveAll(tmpDir)

 	totalDiskSizeInKB := int64(32)
--- a/weed/util/chunk_cache/on_disk_cache_layer.go
+++ b/weed/util/chunk_cache/on_disk_cache_layer.go
@ -96,7 +96,7 @@ func (c *OnDiskCacheLayer) getChunkSlice(needleId types.NeedleId, offset, length
 			continue
 		}
 		if err != nil {
-			glog.Errorf("failed to read cache file %s id %d", diskCache.fileName, needleId)
+			glog.Warningf("failed to read cache file %s id %d: %v", diskCache.fileName, needleId, err)
 			continue
 		}
 		if len(data) != 0 {
--- a/weed/util/constants.go
+++ b/weed/util/constants.go
@ -5,7 +5,7 @@ import (
 )

 var (
-	VERSION_NUMBER = fmt.Sprintf("%.02f", 2.71)
+	VERSION_NUMBER = fmt.Sprintf("%.02f", 2.74)
 	VERSION        = sizeLimit + " " + VERSION_NUMBER
 	COMMIT         = ""
 )
--- a/weed/util/http_util.go
+++ b/weed/util/http_util.go
@ -6,7 +6,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"net/url"
 	"strings"
@ -35,7 +34,7 @@ func Post(url string, values url.Values) ([]byte, error) {
 		return nil, err
 	}
 	defer r.Body.Close()
-	b, err := ioutil.ReadAll(r.Body)
+	b, err := io.ReadAll(r.Body)
 	if r.StatusCode >= 400 {
 		if err != nil {
 			return nil, fmt.Errorf("%s: %d - %s", url, r.StatusCode, string(b))
@ -71,7 +70,7 @@ func Get(url string) ([]byte, bool, error) {
 		reader = response.Body
 	}

-	b, err := ioutil.ReadAll(reader)
+	b, err := io.ReadAll(reader)
 	if response.StatusCode >= 400 {
 		retryable := response.StatusCode >= 500
 		return nil, retryable, fmt.Errorf("%s: %s", url, response.Status)
@ -107,7 +106,7 @@ func Delete(url string, jwt string) error {
 		return e
 	}
 	defer resp.Body.Close()
-	body, err := ioutil.ReadAll(resp.Body)
+	body, err := io.ReadAll(resp.Body)
 	if err != nil {
 		return err
 	}
@ -137,7 +136,7 @@ func DeleteProxied(url string, jwt string) (body []byte, httpStatus int, err err
 		return
 	}
 	defer resp.Body.Close()
-	body, err = ioutil.ReadAll(resp.Body)
+	body, err = io.ReadAll(resp.Body)
 	if err != nil {
 		return
 	}
@ -271,7 +270,7 @@ func ReadUrl(fileUrl string, cipherKey []byte, isContentCompressed bool, isFullC
 		}
 	}
 	// drains the response body to avoid memory leak
-	data, _ := ioutil.ReadAll(reader)
+	data, _ := io.ReadAll(reader)
 	if len(data) != 0 {
 		glog.V(1).Infof("%s reader has remaining %d bytes", contentEncoding, len(data))
 	}
@ -393,11 +392,11 @@ func ReadUrlAsReaderCloser(fileUrl string, rangeHeader string) (io.ReadCloser, e
 }

 func CloseResponse(resp *http.Response) {
-	io.Copy(ioutil.Discard, resp.Body)
+	io.Copy(io.Discard, resp.Body)
 	resp.Body.Close()
 }

 func CloseRequest(req *http.Request) {
-	io.Copy(ioutil.Discard, req.Body)
+	io.Copy(io.Discard, req.Body)
 	req.Body.Close()
 }
--- a/weed/util/log_buffer/log_buffer.go
+++ b/weed/util/log_buffer/log_buffer.go
@ -29,6 +29,7 @@ type LogBuffer struct {
 	pos           int
 	startTime     time.Time
 	stopTime      time.Time
+	lastFlushTime time.Time
 	sizeBuf       []byte
 	flushInterval time.Duration
 	flushFn       func(startTime, stopTime time.Time, buf []byte)
@ -132,6 +133,8 @@ func (m *LogBuffer) loopFlush() {
 			// glog.V(4).Infof("%s flush [%v, %v] size %d", m.name, d.startTime, d.stopTime, len(d.data.Bytes()))
 			m.flushFn(d.startTime, d.stopTime, d.data.Bytes())
 			d.releaseMemory()
+			// local logbuffer is different from aggregate logbuffer here
+			m.lastFlushTime = d.stopTime
 		}
 	}
 }
@ -162,6 +165,9 @@ func (m *LogBuffer) copyToFlush() *dataToFlush {
 				data:      copiedBytes(m.buf[:m.pos]),
 			}
 			// glog.V(4).Infof("%s flushing [0,%d) with %d entries [%v, %v]", m.name, m.pos, len(m.idx), m.startTime, m.stopTime)
+		} else {
+			// glog.V(4).Infof("%s removed from memory [0,%d) with %d entries [%v, %v]", m.name, m.pos, len(m.idx), m.startTime, m.stopTime)
+			m.lastFlushTime = m.stopTime
 		}
 		m.buf = m.prevBuffers.SealBuffer(m.startTime, m.stopTime, m.buf, m.pos)
 		m.startTime = time.Unix(0, 0)
@ -203,7 +209,10 @@ func (m *LogBuffer) ReadFromBuffer(lastReadTime time.Time) (bufferCopy *bytes.Bu
 	if tsMemory.IsZero() { // case 2.2
 		return nil, nil
 	} else if lastReadTime.Before(tsMemory) { // case 2.3
-		return nil, ResumeFromDiskError
+		if !m.lastFlushTime.IsZero() {
+			glog.V(0).Infof("resume with last flush time: %v", m.lastFlushTime)
+			return nil, ResumeFromDiskError
+		}
 	}

 	// the following is case 2.1
--- a/weed/util/skiplist/skiplist_test.go
+++ b/weed/util/skiplist/skiplist_test.go
@ -2,7 +2,6 @@ package skiplist

 import (
 	"bytes"
-	"fmt"
 	"math/rand"
 	"strconv"
 	"testing"
@ -230,7 +229,7 @@ func TestFindGreaterOrEqual(t *testing.T) {

 	// Test on empty list.
 	if _, _, ok, _ := listPointer.FindGreaterOrEqual(Element(0)); ok {
-		t.Fail()
+		t.Errorf("found element 0 in an empty list")
 	}

 	list = New(memStore)
@ -243,23 +242,20 @@ func TestFindGreaterOrEqual(t *testing.T) {
 		key := Element(rand.Intn(maxNumber))
 		if _, v, ok, _ := list.FindGreaterOrEqual(key); ok {
 			// if f is v should be bigger than the element before
-			if v.Prev != nil && bytes.Compare(v.Prev.Key, key) >= 0 {
-				fmt.Printf("PrevV: %s\n    key: %s\n\n", string(v.Prev.Key), string(key))
-				t.Fail()
+			if v.Prev != nil && bytes.Compare(key, v.Prev.Key) < 0 {
+				t.Errorf("PrevV: %s\n    key: %s\n\n", string(v.Prev.Key), string(key))
 			}
 			// v should be bigger or equal to f
 			// If we compare directly, we get an equal key with a difference on the 10th decimal point, which fails.
 			if bytes.Compare(v.Key, key) < 0 {
-				fmt.Printf("v: %s\n    key: %s\n\n", string(v.Key), string(key))
-				t.Fail()
+				t.Errorf("v: %s\n    key: %s\n\n", string(v.Key), string(key))
 			}
 		} else {
 			lastNode, _ := list.GetLargestNode()
 			lastV := lastNode.GetValue()
 			// It is OK, to fail, as long as f is bigger than the last element.
 			if bytes.Compare(key, lastV) <= 0 {
-				fmt.Printf("lastV: %s\n    key: %s\n\n", string(lastV), string(key))
-				t.Fail()
+				t.Errorf("lastV: %s\n    key: %s\n\n", string(lastV), string(key))
 			}
 		}
 	}