3.18

filer: fix wrong logic during read
Merge pull request #3358 from chrislusf/dependabot/go_modules/cloud.google.com/go/pubsub-1.24.0
2026-10-04 05:33:05 +00:00 · 2022-07-25 22:41:38 -07:00 · 2022-07-25 22:40:00 -07:00 · 2022-07-25 08:28:11 -07:00 · 2022-07-25 15:27:28 +00:00 · 2022-07-25 08:26:23 -07:00
96 changed files with 1439 additions and 793 deletions
@@ -56,7 +56,7 @@ jobs:
          password: ${{ secrets.GHCR_TOKEN }}
      -
        name: Build
-        uses: docker/build-push-action@e551b19e49efd4e98792db7592c17c09b89db8d8 # v2
+        uses: docker/build-push-action@1cb9d22b932e4832bb29793b7777ec860fc1cde0 # v2
        with:
          context: ./docker
          push: ${{ github.event_name != 'pull_request' }}
@@ -57,7 +57,7 @@ jobs:
          password: ${{ secrets.GHCR_TOKEN }}
      -
        name: Build
-        uses: docker/build-push-action@e551b19e49efd4e98792db7592c17c09b89db8d8 # v2
+        uses: docker/build-push-action@1cb9d22b932e4832bb29793b7777ec860fc1cde0 # v2
        with:
          context: ./docker
          push: ${{ github.event_name != 'pull_request' }}
@@ -47,7 +47,7 @@ jobs:
          password: ${{ secrets.DOCKER_PASSWORD }}
      -
        name: Build
-        uses: docker/build-push-action@e551b19e49efd4e98792db7592c17c09b89db8d8 # v2
+        uses: docker/build-push-action@1cb9d22b932e4832bb29793b7777ec860fc1cde0 # v2
        with:
          context: ./docker
          push: ${{ github.event_name != 'pull_request' }}
@@ -48,7 +48,7 @@ jobs:
          password: ${{ secrets.DOCKER_PASSWORD }}
      -
        name: Build
-        uses: docker/build-push-action@e551b19e49efd4e98792db7592c17c09b89db8d8 # v2
+        uses: docker/build-push-action@1cb9d22b932e4832bb29793b7777ec860fc1cde0 # v2
        with:
          context: ./docker
          push: ${{ github.event_name != 'pull_request' }}
@@ -48,7 +48,7 @@ jobs:
          password: ${{ secrets.DOCKER_PASSWORD }}
      -
        name: Build
-        uses: docker/build-push-action@e551b19e49efd4e98792db7592c17c09b89db8d8 # v2
+        uses: docker/build-push-action@1cb9d22b932e4832bb29793b7777ec860fc1cde0 # v2
        with:
          context: ./docker
          push: ${{ github.event_name != 'pull_request' }}
@@ -47,7 +47,7 @@ jobs:
          password: ${{ secrets.DOCKER_PASSWORD }}
      -
        name: Build
-        uses: docker/build-push-action@e551b19e49efd4e98792db7592c17c09b89db8d8 # v2
+        uses: docker/build-push-action@1cb9d22b932e4832bb29793b7777ec860fc1cde0 # v2
        with:
          context: ./docker
          push: ${{ github.event_name != 'pull_request' }}
@@ -47,7 +47,7 @@ jobs:
          password: ${{ secrets.DOCKER_PASSWORD }}
      -
        name: Build
-        uses: docker/build-push-action@e551b19e49efd4e98792db7592c17c09b89db8d8 # v2
+        uses: docker/build-push-action@1cb9d22b932e4832bb29793b7777ec860fc1cde0 # v2
        with:
          context: ./docker
          push: ${{ github.event_name != 'pull_request' }}
@@ -11,4 +11,4 @@ jobs:
      - name: 'Checkout Repository'
        uses: actions/checkout@dcd71f646680f2efd8db4afa5ad64fdcba30e748
      - name: 'Dependency Review'
-        uses: actions/dependency-review-action@1c59cdf2a9c7f29c90e8da32237eb04b81bad9f0
+        uses: actions/dependency-review-action@94145f3150bfabdc97540cbd5f7e926306ea7744
@@ -21,7 +21,7 @@ jobs:
    steps:

    - name: Set up Go 1.x
-      uses: actions/setup-go@b22fbbc2921299758641fab08929b4ac52b32923 # v2
+      uses: actions/setup-go@84cbf8094393cdc5fe1fe1671ff2647332956b1a # v2
      with:
        go-version: ^1.13
      id: go
@@ -4,13 +4,13 @@ go 1.18

 require (
 	cloud.google.com/go v0.102.1 // indirect
-	cloud.google.com/go/pubsub v1.23.1
-	cloud.google.com/go/storage v1.23.0
+	cloud.google.com/go/pubsub v1.24.0
+	cloud.google.com/go/storage v1.24.0
 	github.com/Azure/azure-pipeline-go v0.2.3
 	github.com/Azure/azure-storage-blob-go v0.15.0
 	github.com/OneOfOne/xxhash v1.2.8
-	github.com/Shopify/sarama v1.34.1
-	github.com/aws/aws-sdk-go v1.44.47
+	github.com/Shopify/sarama v1.35.0
+	github.com/aws/aws-sdk-go v1.44.56
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/buraksezer/consistent v0.0.0-20191006190839-693edf70fd72
 	github.com/bwmarrin/snowflake v0.3.0
@@ -23,7 +23,7 @@ require (
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 	github.com/disintegration/imaging v1.6.2
 	github.com/dustin/go-humanize v1.0.0
-	github.com/eapache/go-resiliency v1.2.0 // indirect
+	github.com/eapache/go-resiliency v1.3.0 // indirect
 	github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21 // indirect
 	github.com/eapache/queue v1.1.0 // indirect
 	github.com/facebookgo/clock v0.0.0-20150410010913-600d898af40a
@@ -37,7 +37,6 @@ require (
 	github.com/go-redis/redis/v8 v8.11.5
 	github.com/go-redsync/redsync/v4 v4.5.1
 	github.com/go-sql-driver/mysql v1.6.0
-	github.com/go-stack/stack v1.8.1 // indirect
 	github.com/go-zookeeper/zk v1.0.2 // indirect
 	github.com/gocql/gocql v0.0.0-20210707082121-9a3953d1826d
 	github.com/golang-jwt/jwt v3.2.2+incompatible
@@ -62,11 +61,11 @@ require (
 	github.com/json-iterator/go v1.1.12
 	github.com/karlseguin/ccache/v2 v2.0.8
 	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
-	github.com/klauspost/compress v1.15.6 // indirect
+	github.com/klauspost/compress v1.15.8 // indirect
 	github.com/klauspost/reedsolomon v1.10.0
 	github.com/kurin/blazer v0.5.3
 	github.com/lib/pq v1.10.6
-	github.com/linxGnu/grocksdb v1.7.3
+	github.com/linxGnu/grocksdb v1.7.4
 	github.com/magiconair/properties v1.8.6 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/mattn/go-ieproxy v0.0.3 // indirect
@@ -113,24 +112,24 @@ require (
 	github.com/xdg-go/stringprep v1.0.3 // indirect
 	github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d // indirect
 	go.etcd.io/etcd/client/v3 v3.5.4
-	go.mongodb.org/mongo-driver v1.9.1
+	go.mongodb.org/mongo-driver v1.10.0
 	go.opencensus.io v0.23.0 // indirect
 	gocloud.dev v0.25.0
 	gocloud.dev/pubsub/natspubsub v0.25.0
 	gocloud.dev/pubsub/rabbitpubsub v0.25.0
-	golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4 // indirect
+	golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d // indirect
 	golang.org/x/exp v0.0.0-20220414153411-bcd21879b8fd
 	golang.org/x/image v0.0.0-20200119044424-58c23975cae1
-	golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e
+	golang.org/x/net v0.0.0-20220708220712-1185a9018129
 	golang.org/x/oauth2 v0.0.0-20220622183110-fd043fe589d2 // indirect
 	golang.org/x/sys v0.0.0-20220624220833-87e55d714810
 	golang.org/x/text v0.3.7 // indirect
 	golang.org/x/tools v0.1.8-0.20211029000441-d6a9af8af023
 	golang.org/x/xerrors v0.0.0-20220609144429-65e65417b02f // indirect
-	google.golang.org/api v0.86.0
+	google.golang.org/api v0.87.0
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/genproto v0.0.0-20220624142145-8cd45d7dbd1f // indirect
-	google.golang.org/grpc v1.47.0
+	google.golang.org/grpc v1.48.0
 	google.golang.org/protobuf v1.28.0
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	modernc.org/b v1.0.0 // indirect
@@ -154,7 +153,7 @@ require (
 	github.com/hashicorp/raft-boltdb v0.0.0-20220329195025-15018e9b97e0
 	github.com/tikv/client-go/v2 v2.0.1
 	github.com/ydb-platform/ydb-go-sdk-auth-environ v0.1.2
-	github.com/ydb-platform/ydb-go-sdk/v3 v3.27.0
+	github.com/ydb-platform/ydb-go-sdk/v3 v3.29.5
 	google.golang.org/grpc/security/advancedtls v0.0.0-20220622233350-5cdb09fa29c1
 )

@@ -185,7 +184,6 @@ require (
 	github.com/fclairamb/go-log v0.3.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.1.0 // indirect
-	github.com/googleapis/go-type-adapters v1.0.0 // indirect
 	github.com/grpc-ecosystem/go-grpc-middleware v1.1.0 // indirect
 	github.com/hashicorp/go-hclog v1.2.0 // indirect
 	github.com/hashicorp/go-immutable-radix v1.3.1 // indirect
@@ -200,13 +198,14 @@ require (
 	github.com/mattn/go-colorable v0.1.12 // indirect
 	github.com/mattn/go-runewidth v0.0.7 // indirect
 	github.com/mattn/go-sqlite3 v2.0.1+incompatible // indirect
+	github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe // indirect
 	github.com/nats-io/nats.go v1.13.1-0.20220121202836-972a071d373d // indirect
 	github.com/nats-io/nkeys v0.3.0 // indirect
 	github.com/nats-io/nuid v1.0.1 // indirect
 	github.com/opentracing/opentracing-go v1.2.0 // indirect
 	github.com/pelletier/go-toml/v2 v2.0.1 // indirect
 	github.com/philhofer/fwd v1.1.1 // indirect
-	github.com/pierrec/lz4/v4 v4.1.14 // indirect
+	github.com/pierrec/lz4/v4 v4.1.15 // indirect
 	github.com/pingcap/errors v0.11.5-0.20211224045212-9687c2b0f87c // indirect
 	github.com/pingcap/failpoint v0.0.0-20210918120811-547c13e3eb00 // indirect
 	github.com/pingcap/kvproto v0.0.0-20220106070556-3fa8fa04f898 // indirect
@@ -66,8 +66,8 @@ cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+
 cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
 cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
 cloud.google.com/go/pubsub v1.19.0/go.mod h1:/O9kmSe9bb9KRnIAWkzmqhPjHo6LtzGOBYd/kr06XSs=
-cloud.google.com/go/pubsub v1.23.1 h1:eVtkabVa+1M5ai67fGU+idws0hVb/KEPXiDmSS17+qc=
-cloud.google.com/go/pubsub v1.23.1/go.mod h1:ttM6nEGYK/2CnB36ndNySU3ZxPwpBk8cXM6+iOlxH9U=
+cloud.google.com/go/pubsub v1.24.0 h1:aCS6wSMzrc602OeXUMA66KGlyXxpdkHdwN+FSBv/sUg=
+cloud.google.com/go/pubsub v1.24.0/go.mod h1:rWv09Te1SsRpRGPiWOMDKraMQTJyJps4MkUCoMGUgqw=
 cloud.google.com/go/secretmanager v1.3.0/go.mod h1:+oLTkouyiYiabAQNugCeTS3PAArGiMJuBqvJnJsyH+U=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
 cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
@@ -77,8 +77,8 @@ cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9
 cloud.google.com/go/storage v1.14.0/go.mod h1:GrKmX003DSIwi9o29oFT7YDnHYwZoctc3fOKtUw0Xmo=
 cloud.google.com/go/storage v1.21.0/go.mod h1:XmRlxkgPjlBONznT2dDUU/5XlpU2OjMnKuqnZI01LAA=
 cloud.google.com/go/storage v1.22.1/go.mod h1:S8N1cAStu7BOeFfE8KAQzmyyLkK8p/vmRq6kuBTW58Y=
-cloud.google.com/go/storage v1.23.0 h1:wWRIaDURQA8xxHguFCshYepGlrWIrbBnAmc7wfg07qY=
-cloud.google.com/go/storage v1.23.0/go.mod h1:vOEEDNFnciUMhBeT6hsJIn3ieU5cFRmzeLgDvXzfIXc=
+cloud.google.com/go/storage v1.24.0 h1:a4N0gIkx83uoVFGz8B2eAV3OhN90QoWF5OZWLKl39ig=
+cloud.google.com/go/storage v1.24.0/go.mod h1:3xrJEFMXBsQLgxwThyjuD3aYlroL0TMRec1ypGUQ0KE=
 cloud.google.com/go/trace v1.0.0/go.mod h1:4iErSByzxkyHWzzlAj63/Gmjz0NH1ASqhJguHpGcr6A=
 cloud.google.com/go/trace v1.2.0/go.mod h1:Wc8y/uYyOhPy12KEnXG9XGrvfMz5F5SrYecQlbW1rwM=
 contrib.go.opencensus.io/exporter/aws v0.0.0-20200617204711-c478e41e60e9/go.mod h1:uu1P0UCM/6RbsMrgPa98ll8ZcHM858i/AD06a9aLRCA=
@@ -134,8 +134,8 @@ github.com/Masterminds/semver/v3 v3.1.1/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/OneOfOne/xxhash v1.2.8 h1:31czK/TI9sNkxIKfaUfGlU47BAxQ0ztGgd9vPyqimf8=
 github.com/OneOfOne/xxhash v1.2.8/go.mod h1:eZbhyaAYD41SGSSsnmcpxVoRiQ/MPUTjUdIIOT9Um7Q=
-github.com/Shopify/sarama v1.34.1 h1:pVCQO7BMAK3s1jWhgi5v1W6lwZ6Veiekfc2vsgRS06Y=
-github.com/Shopify/sarama v1.34.1/go.mod h1:NZSNswsnStpq8TUdFaqnpXm2Do6KRzTIjdBdVlL1YRM=
+github.com/Shopify/sarama v1.35.0 h1:opEGHcK8s5OpQF99wW0D4ol7A3qUpfSFigrDXnWmOcs=
+github.com/Shopify/sarama v1.35.0/go.mod h1:n8obse6Cz5NjjXjKwR1JeYr7CkQn4KG+HENJ8n/T9oQ=
 github.com/Shopify/toxiproxy/v2 v2.4.0 h1:O1e4Jfvr/hefNTNu+8VtdEG5lSeamJRo4aKhMOKNM64=
 github.com/Shopify/toxiproxy/v2 v2.4.0/go.mod h1:3ilnjng821bkozDRxNoo64oI/DKqM+rOyJzb564+bvg=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
@@ -157,8 +157,8 @@ github.com/armon/go-metrics v0.3.10/go.mod h1:4O98XIr/9W0sxpJ8UaYkvjk10Iff7SnFrb
 github.com/aws/aws-sdk-go v1.15.27/go.mod h1:mFuSZ37Z9YOHbQEwBWztmVzqXrEkub65tZoCYDt7FT0=
 github.com/aws/aws-sdk-go v1.37.0/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
 github.com/aws/aws-sdk-go v1.43.31/go.mod h1:y4AeaBuwd2Lk+GepC1E9v0qOiTws0MIWAX4oIKwKHZo=
-github.com/aws/aws-sdk-go v1.44.47 h1:uyiNvoR4wfZ8Bp4ghgbyzGFIg5knjZMUAd5S9ba9qNU=
-github.com/aws/aws-sdk-go v1.44.47/go.mod h1:y4AeaBuwd2Lk+GepC1E9v0qOiTws0MIWAX4oIKwKHZo=
+github.com/aws/aws-sdk-go v1.44.56 h1:bT+lExwagH7djxb6InKUVkEKGPAj5aAPnV85/m1fKro=
+github.com/aws/aws-sdk-go v1.44.56/go.mod h1:y4AeaBuwd2Lk+GepC1E9v0qOiTws0MIWAX4oIKwKHZo=
 github.com/aws/aws-sdk-go-v2 v1.16.2 h1:fqlCk6Iy3bnCumtrLz9r3mJ/2gUT0pJ0wLFVIdWh+JA=
 github.com/aws/aws-sdk-go-v2 v1.16.2/go.mod h1:ytwTPBG6fXTZLxxeeCCWj2/EMYp/xDUgX+OET6TLNNU=
 github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.1/go.mod h1:n8Bs1ElDD2wJ9kCRTczA83gYbBmjSwZp3umc6zF4EeM=
@@ -266,8 +266,8 @@ github.com/disintegration/imaging v1.6.2/go.mod h1:44/5580QXChDfwIclfc/PCwrr44am
 github.com/dnaeon/go-vcr v1.2.0/go.mod h1:R4UdLID7HZT3taECzJs4YgbbH6PIGXB6W/sc5OLb6RQ=
 github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
-github.com/eapache/go-resiliency v1.2.0 h1:v7g92e/KSN71Rq7vSThKaWIq68fL4YHvWyiUKorFR1Q=
-github.com/eapache/go-resiliency v1.2.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5mFgVsvEsIPBvNs=
+github.com/eapache/go-resiliency v1.3.0 h1:RRL0nge+cWGlxXbUzJ7yMcq6w2XBEr19dCN6HECGaT0=
+github.com/eapache/go-resiliency v1.3.0/go.mod h1:5yPzW0MIvSe0JDsv0v+DvcjEv2FyD6iZYSs1ZI+iQho=
 github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21 h1:YEetp8/yCZMuEPMUDHG0CW/brkkEp8mzqk2+ODEitlw=
 github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1:+020luEh2TKB4/GOp8oxxtq0Daoen/Cii55CzbTV6DU=
 github.com/eapache/queue v1.1.0 h1:YOEu7KNc61ntiQlcEeUIoDTJ2o8mQznoNvUhiigpIqc=
@@ -346,8 +346,6 @@ github.com/go-redsync/redsync/v4 v4.5.1/go.mod h1:AfhgO1E6W3rlUTs6Zmz/B6qBZJFasV
 github.com/go-sql-driver/mysql v1.6.0 h1:BCTh4TKNUYmOmMUcQ3IipzF5prigylS7XXjEkfCHuOE=
 github.com/go-sql-driver/mysql v1.6.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
-github.com/go-stack/stack v1.8.1 h1:ntEHSVwIt7PNXNpgPmVfMrNhLtgjlmnZha2kOpuRiDw=
-github.com/go-stack/stack v1.8.1/go.mod h1:dcoOX6HbPZSZptuspn9bctJ+N/CnF5gGygcUP3XYfe4=
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
 github.com/go-zookeeper/zk v1.0.2 h1:4mx0EYENAdX/B/rbunjlt5+4RTA/a9SMHBRuSKdGxPM=
 github.com/go-zookeeper/zk v1.0.2/go.mod h1:nOB03cncLtlp4t+UAkGSV+9beXP/akpekBwL+UX1Qcw=
@@ -482,7 +480,6 @@ github.com/googleapis/gax-go/v2 v2.2.0/go.mod h1:as02EH8zWkzwUoLbBaFeQ+arQaj/Oth
 github.com/googleapis/gax-go/v2 v2.3.0/go.mod h1:b8LNqSzNabLiUpXKkY7HAR5jr6bIT99EXz9pXxye9YM=
 github.com/googleapis/gax-go/v2 v2.4.0 h1:dS9eYAjhrE2RjmzYw2XAPvcXfmcQLtFEQWn0CR82awk=
 github.com/googleapis/gax-go/v2 v2.4.0/go.mod h1:XOTVJ59hdnfJLIP/dh8n5CGryZR2LxK9wbMD5+iXC6c=
-github.com/googleapis/go-type-adapters v1.0.0 h1:9XdMn+d/G57qq1s8dNc5IesGCXHf6V2HZ2JwRxfA2tA=
 github.com/googleapis/go-type-adapters v1.0.0/go.mod h1:zHW75FOG2aur7gAO2B+MLby+cLsWGBF62rFAi7WjWO4=
 github.com/googleapis/google-cloud-go-testing v0.0.0-20200911160855-bcd43fbb19e8/go.mod h1:dvDLG8qkwmyD9a/MJJN3XJcT3xFxOKAvTZGvuZmac9g=
 github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
@@ -624,8 +621,8 @@ github.com/klauspost/compress v1.10.3/go.mod h1:aoV0uJVorq1K+umq18yTdKaF57EivdYs
 github.com/klauspost/compress v1.13.4/go.mod h1:8dP1Hq4DHOhN9w426knH3Rhby4rFm6D8eO+e+Dq5Gzg=
 github.com/klauspost/compress v1.13.6/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47etQ6QUkpK6sk=
 github.com/klauspost/compress v1.15.1/go.mod h1:/3/Vjq9QcHkK5uEr5lBEmyoZ1iFhe47etQ6QUkpK6sk=
-github.com/klauspost/compress v1.15.6 h1:6D9PcO8QWu0JyaQ2zUMmu16T1T+zjjEpP91guRsvDfY=
-github.com/klauspost/compress v1.15.6/go.mod h1:PhcZ0MbTNciWF3rruxRgKxI5NkcHHrHUDtV4Yw2GlzU=
+github.com/klauspost/compress v1.15.8 h1:JahtItbkWjf2jzm/T+qgMxkP9EMHsqEUA6vCMGmXvhA=
+github.com/klauspost/compress v1.15.8/go.mod h1:PhcZ0MbTNciWF3rruxRgKxI5NkcHHrHUDtV4Yw2GlzU=
 github.com/klauspost/cpuid/v2 v2.0.14 h1:QRqdp6bb9M9S5yyKeYteXKuoKE4p0tGlra81fKOpWH8=
 github.com/klauspost/cpuid/v2 v2.0.14/go.mod h1:g2LTdtYhdyuGPqyWyv7qRAmj1WBqxuObKfj5c0PQa7c=
 github.com/klauspost/reedsolomon v1.10.0 h1:MonMtg979rxSHjwtsla5dZLhreS0Lu42AyQ20bhjIGg=
@@ -656,8 +653,8 @@ github.com/lib/pq v1.10.2/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
 github.com/lib/pq v1.10.4/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
 github.com/lib/pq v1.10.6 h1:jbk+ZieJ0D7EVGJYpL9QTz7/YW6UHbmdnZWYyK5cdBs=
 github.com/lib/pq v1.10.6/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
-github.com/linxGnu/grocksdb v1.7.3 h1:S9XiU4FviunvjNdNG+kWe2BoOy/2EKZSdDyeGmL0vDs=
-github.com/linxGnu/grocksdb v1.7.3/go.mod h1:G4zrMNj2CP2aCXF61jbmZH81tu+kU3qU4rYpOU8WOL8=
+github.com/linxGnu/grocksdb v1.7.4 h1:RCdeq0Y9jsDkRtFcgWclRrpL/AFEMQhPyOp6OIprOGc=
+github.com/linxGnu/grocksdb v1.7.4/go.mod h1:G4zrMNj2CP2aCXF61jbmZH81tu+kU3qU4rYpOU8WOL8=
 github.com/magiconair/properties v1.8.6 h1:5ibWZ6iY0NctNGWo87LalDlEZ6R41TqbbDamhfG/Qzo=
 github.com/magiconair/properties v1.8.6/go.mod h1:y3VJvCyxH9uVvJTWEGAELF3aiYNyPKd5NZ3oSwXrF60=
 github.com/mailru/easyjson v0.7.7 h1:UGYAvKxe3sBsEDzO8ZeWOSlIQfWFlxbzLZe7hwFURr0=
@@ -703,6 +700,7 @@ github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3Rllmb
 github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
 github.com/modocache/gover v0.0.0-20171022184752-b58185e213c5/go.mod h1:caMODM3PzxT8aQXRPkAt8xlV/e7d7w8GM5g0fa5F0D8=
+github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe h1:iruDEfMl2E6fbMZ9s0scYfZQ84/6SPL6zC8ACM2oIL0=
 github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe/go.mod h1:wL8QJuTMNUDYhXwkmfOly8iTdp5TEcJFWZD2D7SIkUc=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
@@ -750,8 +748,8 @@ github.com/peterh/liner v1.2.2 h1:aJ4AOodmL+JxOZZEL2u9iJf8omNRpqHc/EbrK+3mAXw=
 github.com/peterh/liner v1.2.2/go.mod h1:xFwJyiKIXJZUKItq5dGHZSTBRAuG/CpeNpWLyiNRNwI=
 github.com/philhofer/fwd v1.1.1 h1:GdGcTjf5RNAxwS4QLsiMzJYj5KEvPJD3Abr261yRQXQ=
 github.com/philhofer/fwd v1.1.1/go.mod h1:gk3iGcWd9+svBvR0sR+KPcfE+RNWozjowpeBVG3ZVNU=
-github.com/pierrec/lz4/v4 v4.1.14 h1:+fL8AQEZtz/ijeNnpduH0bROTu0O3NZAlPjQxGn8LwE=
-github.com/pierrec/lz4/v4 v4.1.14/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
+github.com/pierrec/lz4/v4 v4.1.15 h1:MO0/ucJhngq7299dKLwIMtgTfbkoSPF6AoMYDd8Q4q0=
+github.com/pierrec/lz4/v4 v4.1.15/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
 github.com/pingcap/check v0.0.0-20190102082844-67f458068fc8/go.mod h1:B1+S9LNcuMyLH/4HMTViQOJevkGiik3wW2AN9zb2fNQ=
 github.com/pingcap/check v0.0.0-20211026125417-57bd13f7b5f0 h1:HVl5539r48eA+uDuX/ziBmQCxzT1pGrzWbKuXT46Bq0=
 github.com/pingcap/check v0.0.0-20211026125417-57bd13f7b5f0/go.mod h1:PYMCGwN0JHjoqGr3HrZoD+b8Tgx8bKnArhSq8YVzUMc=
@@ -910,10 +908,8 @@ github.com/wsxiaoys/terminal v0.0.0-20160513160801-0940f3fc43a0 h1:3UeQBvD0TFrlV
 github.com/wsxiaoys/terminal v0.0.0-20160513160801-0940f3fc43a0/go.mod h1:IXCdmsXIht47RaVFLEdVnh1t+pgYtTAhQGj73kz+2DM=
 github.com/xdg-go/pbkdf2 v1.0.0 h1:Su7DPu48wXMwC3bs7MCNG+z4FhcyEuz5dlvchbq0B0c=
 github.com/xdg-go/pbkdf2 v1.0.0/go.mod h1:jrpuAogTd400dnrH08LKmI/xc1MbPOebTwRqcT5RDeI=
-github.com/xdg-go/scram v1.0.2/go.mod h1:1WAq6h33pAW+iRreB34OORO2Nf7qel3VV3fjBj+hCSs=
 github.com/xdg-go/scram v1.1.1 h1:VOMT+81stJgXW3CpHyqHN3AXDYIMsx56mEFrB37Mb/E=
 github.com/xdg-go/scram v1.1.1/go.mod h1:RaEWvsqvNKKvBPvcKeFjrG2cJqOkHTiyTpzz23ni57g=
-github.com/xdg-go/stringprep v1.0.2/go.mod h1:8F9zXuvzgwmyT5DUm4GUfZGDdT3W+LCvS6+da4O5kxM=
 github.com/xdg-go/stringprep v1.0.3 h1:kdwGpVNwPFtjs98xCGkHjQtGKh86rDcRZN17QEMCOIs=
 github.com/xdg-go/stringprep v1.0.3/go.mod h1:W3f5j4i+9rC0kuIEJL0ky1VpHXQU3ocBgklLGvcBnW8=
 github.com/yandex-cloud/go-genproto v0.0.0-20211115083454-9ca41db5ed9e h1:9LPdmD1vqadsDQUva6t2O9MbnyvoOgo8nFNPaOIH5U8=
@@ -924,8 +920,8 @@ github.com/ydb-platform/ydb-go-genproto v0.0.0-20220531094121-36ca6bddb9f7/go.mo
 github.com/ydb-platform/ydb-go-sdk-auth-environ v0.1.2 h1:EYSI1kulnHb0H0zt3yOw4cRj4ABMSMGwNe43D+fX7e4=
 github.com/ydb-platform/ydb-go-sdk-auth-environ v0.1.2/go.mod h1:Xfjce+VMU9yJVr1lj60yK2fFPWjB4jr/4cp3K7cjzi4=
 github.com/ydb-platform/ydb-go-sdk/v3 v3.25.3/go.mod h1:PFizF/vJsdAgEwjK3DVSBD52kdmRkWfSIS2q2pA+e88=
-github.com/ydb-platform/ydb-go-sdk/v3 v3.27.0 h1:paSdC12yRI19Vv9ej6qAjUu2/r/WaW/rzsUogd+lg34=
-github.com/ydb-platform/ydb-go-sdk/v3 v3.27.0/go.mod h1:vXjmbeEAWlkVE5/ym3XHhtnWk7aDGGqFMKrfgwbRUkQ=
+github.com/ydb-platform/ydb-go-sdk/v3 v3.29.5 h1:iKZJjrOorFYGB+2g8+WmjjnFxudEnfE70ucAXcNYxPQ=
+github.com/ydb-platform/ydb-go-sdk/v3 v3.29.5/go.mod h1:bsYHcRuCdelVeIwNsJicIz60flewCwp8Kg9gfwMPR/Q=
 github.com/ydb-platform/ydb-go-yc v0.8.3 h1:92UUUMsfvtMl6mho8eQ9lbkiPrF3a9CT+RrVRAKNRwo=
 github.com/ydb-platform/ydb-go-yc v0.8.3/go.mod h1:zUolAFGzJ5XG8uwiseTLr9Lapm7L7hdVdZgLSuv9FXE=
 github.com/ydb-platform/ydb-go-yc-metadata v0.5.2 h1:nMtixUijP0Z7iHJNT9fOL+dbmEzZxqU6Xk87ll7hqXg=
@@ -947,8 +943,8 @@ go.etcd.io/etcd/client/pkg/v3 v3.5.4/go.mod h1:IJHfcCEKxYu1Os13ZdwCwIUTUVGYTSAM3
 go.etcd.io/etcd/client/v3 v3.5.2/go.mod h1:kOOaWFFgHygyT0WlSmL8TJiXmMysO/nNUlEsSsN6W4o=
 go.etcd.io/etcd/client/v3 v3.5.4 h1:p83BUL3tAYS0OT/r0qglgc3M1JjhM0diV8DSWAhVXv4=
 go.etcd.io/etcd/client/v3 v3.5.4/go.mod h1:ZaRkVgBZC+L+dLCjTcF1hRXpgZXQPOvnA/Ak/gq3kiY=
-go.mongodb.org/mongo-driver v1.9.1 h1:m078y9v7sBItkt1aaoe2YlvWEXcD263e1a4E1fBrJ1c=
-go.mongodb.org/mongo-driver v1.9.1/go.mod h1:0sQWfOeY63QTntERDJJ/0SuKK0T1uVSgKCuAROlKEPY=
+go.mongodb.org/mongo-driver v1.10.0 h1:UtV6N5k14upNp4LTduX0QCufG124fSu25Wz9tu94GLg=
+go.mongodb.org/mongo-driver v1.10.0/go.mod h1:wsihk0Kdgv8Kqu1Anit4sfK+22vSFbUrAVEYRhCXrA8=
 go.opencensus.io v0.15.0/go.mod h1:UffZAU+4sDEINUGP/B7UfBBkq4fqLu9zXAX7ke6CHW0=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
@@ -1006,7 +1002,6 @@ golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20201112155050-0c6587e931a9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20201203163018-be400aefbc4c/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
-golang.org/x/crypto v0.0.0-20201216223049-8b5274cf687f/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
 golang.org/x/crypto v0.0.0-20210314154223-e6e6c4f2bb5b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
 golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
 golang.org/x/crypto v0.0.0-20210616213533-5ff15b29337e/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
@@ -1017,8 +1012,8 @@ golang.org/x/crypto v0.0.0-20211115234514-b4de73f9ece8/go.mod h1:GvvjBRRGRdwPK5y
 golang.org/x/crypto v0.0.0-20220112180741-5e0467b6c7ce/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/crypto v0.0.0-20220214200702-86341886e292/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/crypto v0.0.0-20220331220935-ae2d96664a29/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
-golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4 h1:kUhD7nTDoI3fVd9G4ORWrbV5NY0liEs/Jg2pv5f+bBA=
-golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d h1:sK3txAijHtOK88l68nt020reeT1ZdKLIYetKl95FzVY=
+golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
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@@ -1121,11 +1116,10 @@ golang.org/x/net v0.0.0-20220401154927-543a649e0bdd/go.mod h1:CfG3xpIq0wQ8r1q4Su
 golang.org/x/net v0.0.0-20220412020605-290c469a71a5/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
 golang.org/x/net v0.0.0-20220420153159-1850ba15e1be/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
 golang.org/x/net v0.0.0-20220425223048-2871e0cb64e4/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
-golang.org/x/net v0.0.0-20220520000938-2e3eb7b945c2/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
 golang.org/x/net v0.0.0-20220607020251-c690dde0001d/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/net v0.0.0-20220617184016-355a448f1bc9/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e h1:TsQ7F31D3bUCLeqPT0u+yjp1guoArKaNKmCr22PYgTQ=
 golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
+golang.org/x/net v0.0.0-20220708220712-1185a9018129 h1:vucSRfWwTsoXro7P+3Cjlr6flUMtzCwzlvkxEQtHHB0=
+golang.org/x/net v0.0.0-20220708220712-1185a9018129/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
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@@ -1259,7 +1253,6 @@ golang.org/x/sys v0.0.0-20220502124256-b6088ccd6cba/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20220503163025-988cb79eb6c6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220610221304-9f5ed59c137d/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220615213510-4f61da869c0c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220624220833-87e55d714810 h1:rHZQSjJdAI4Xf5Qzeh2bBc5YJIkPFVM6oDtMFYmgws0=
 golang.org/x/sys v0.0.0-20220624220833-87e55d714810/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
@@ -1281,7 +1274,6 @@ golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxb
 golang.org/x/time v0.0.0-20211116232009-f0f3c7e86c11/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20220224211638-0e9765cccd65/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20220609170525-579cf78fd858 h1:Dpdu/EMxGMFgq0CeYMh4fazTD2vtlZRYE7wyynxJb9U=
-golang.org/x/time v0.0.0-20220609170525-579cf78fd858/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -1296,7 +1288,6 @@ golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBn
 golang.org/x/tools v0.0.0-20190425163242-31fd60d6bfdc/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
-golang.org/x/tools v0.0.0-20190531172133-b3315ee88b7d/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
@@ -1411,9 +1402,8 @@ google.golang.org/api v0.75.0/go.mod h1:pU9QmyHLnzlpar1Mjt4IbapUCy8J+6HD6GeELN69
 google.golang.org/api v0.78.0/go.mod h1:1Sg78yoMLOhlQTeF+ARBoytAcH1NNyyl390YMy6rKmw=
 google.golang.org/api v0.80.0/go.mod h1:xY3nI94gbvBrE0J6NHXhxOmW97HG7Khjkku6AFB3Hyg=
 google.golang.org/api v0.84.0/go.mod h1:NTsGnUFJMYROtiquksZHBWtHfeMC7iYthki7Eq3pa8o=
-google.golang.org/api v0.85.0/go.mod h1:AqZf8Ep9uZ2pyTvgL+x0D3Zt0eoT9b5E8fmzfu6FO2g=
-google.golang.org/api v0.86.0 h1:ZAnyOHQFIuWso1BodVfSaRyffD74T9ERGFa3k1fNk/U=
-google.golang.org/api v0.86.0/go.mod h1:+Sem1dnrKlrXMR/X0bPnMWyluQe4RsNoYfmNLhOIkzw=
+google.golang.org/api v0.87.0 h1:pUQVF/F+X7Tl1lo4LJoJf5BOpjtmINU80p9XpYTU2p4=
+google.golang.org/api v0.87.0/go.mod h1:+Sem1dnrKlrXMR/X0bPnMWyluQe4RsNoYfmNLhOIkzw=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
@@ -1554,8 +1544,9 @@ google.golang.org/grpc v1.44.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ5
 google.golang.org/grpc v1.45.0/go.mod h1:lN7owxKUQEqMfSyQikvvk5tf/6zMPsrK+ONuO11+0rQ=
 google.golang.org/grpc v1.46.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
 google.golang.org/grpc v1.46.2/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
-google.golang.org/grpc v1.47.0 h1:9n77onPX5F3qfFCqjy9dhn8PbNQsIKeVU04J9G7umt8=
 google.golang.org/grpc v1.47.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
+google.golang.org/grpc v1.48.0 h1:rQOsyJ/8+ufEDJd/Gdsz7HG220Mh9HAhFHRGnIjda0w=
+google.golang.org/grpc v1.48.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
 google.golang.org/grpc/examples v0.0.0-20201112215255-90f1b3ee835b h1:NuxyvVZoDfHZwYW9LD4GJiF5/nhiSyP4/InTrvw9Ibk=
 google.golang.org/grpc/examples v0.0.0-20201112215255-90f1b3ee835b/go.mod h1:IBqQ7wSUJ2Ep09a8rMWFsg4fmI2r38zwsq8a0GgxXpM=
@@ -1,5 +1,5 @@
 apiVersion: v1
 description: SeaweedFS
 name: seaweedfs
-appVersion: "3.14"
-version: "3.14"
+appVersion: "3.18"
+version: "3.18"
@@ -46,7 +46,7 @@ spec:
      imagePullSecrets:
        - name: {{ .Values.global.imagePullSecrets }}
      {{- end }}
-      serviceAccountName: seaweefds-rw-sa #hack for delete pod master after migration
+      serviceAccountName: seaweedfs-rw-sa #hack for delete pod master after migration
      terminationGracePeriodSeconds: 60
      {{- if .Values.filer.priorityClassName }}
      priorityClassName: {{ .Values.filer.priorityClassName | quote }}
@@ -3,7 +3,7 @@
 kind: ClusterRole
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:
-  name: seaweefds-rw-cr
+  name: seaweedfs-rw-cr
 rules:
  - apiGroups: [""]
    resources: ["pods"]
@@ -12,18 +12,18 @@ rules:
 apiVersion: v1
 kind: ServiceAccount
 metadata:
-  name: seaweefds-rw-sa
+  name: seaweedfs-rw-sa
  namespace: {{ .Release.Namespace }}
 ---
 kind: ClusterRoleBinding
 apiVersion: rbac.authorization.k8s.io/v1
 metadata:
-  name: system:serviceaccount:seaweefds-rw-sa:default
+  name: system:serviceaccount:seaweedfs-rw-sa:default
 subjects:
 - kind: ServiceAccount
-  name: seaweefds-rw-sa
+  name: seaweedfs-rw-sa
  namespace: {{ .Release.Namespace }}
 roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
-  name: seaweefds-rw-cr
+  name: seaweedfs-rw-cr
@@ -346,6 +346,7 @@ message SubscribeMetadataRequest {
    repeated string path_prefixes = 6;
    int32 client_id = 7;
    int64 until_ns = 8;
+    int32 client_epoch = 9;
 }
 message SubscribeMetadataResponse {
    string directory = 1;
@@ -6,6 +6,10 @@ import (
 	"errors"
 	"flag"
 	"fmt"
+	"io"
+	"math"
+	"os"
+
 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/operation"
 	"github.com/chrislusf/seaweedfs/weed/pb"
@@ -16,9 +20,6 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/storage/types"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"google.golang.org/grpc"
-	"io"
-	"math"
-	"os"
 )

 var (
@@ -155,7 +156,7 @@ func getVolumeFiles(v uint32, addr pb.ServerAddress) (map[types.NeedleId]needleS

 	var maxOffset int64
 	files := map[types.NeedleId]needleState{}
-	err = idx.WalkIndexFile(idxFile, func(key types.NeedleId, offset types.Offset, size types.Size) error {
+	err = idx.WalkIndexFile(idxFile, 0, func(key types.NeedleId, offset types.Offset, size types.Size) error {
 		if offset.IsZero() || size.IsDeleted() {
 			files[key] = needleState{
 				state: stateDeleted,
@@ -77,7 +77,7 @@ func startGenerateMetadata() {

 func startSubscribeMetadata(eachEntryFunc func(event *filer_pb.SubscribeMetadataResponse) error) {

-	tailErr := pb.FollowMetadata(pb.ServerAddress(*tailFiler), grpc.WithInsecure(), "tail", 0, *dir, nil, 0, 0, 0, eachEntryFunc, pb.TrivialOnError)
+	tailErr := pb.FollowMetadata(pb.ServerAddress(*tailFiler), grpc.WithInsecure(), "tail", 0, 0, *dir, nil, 0, 0, 0, eachEntryFunc, pb.TrivialOnError)

 	if tailErr != nil {
 		fmt.Printf("tail %s: %v\n", *tailFiler, tailErr)
@@ -3,11 +3,12 @@ package main
 import (
 	"flag"
 	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/util"
 	"os"
 	"path"
 	"strconv"

+	"github.com/chrislusf/seaweedfs/weed/util"
+
 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/storage/idx"
 	"github.com/chrislusf/seaweedfs/weed/storage/types"
@@ -36,7 +37,7 @@ func main() {
 	}
 	defer indexFile.Close()

-	idx.WalkIndexFile(indexFile, func(key types.NeedleId, offset types.Offset, size types.Size) error {
+	idx.WalkIndexFile(indexFile, 0, func(key types.NeedleId, offset types.Offset, size types.Size) error {
 		fmt.Printf("key:%v offset:%v size:%v(%v)\n", key, offset, size, util.BytesToHumanReadable(uint64(size)))
 		return nil
 	})
@@ -55,9 +55,11 @@ func runFilerBackup(cmd *Command, args []string) bool {
 	grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")

 	clientId := util.RandomInt32()
+	var clientEpoch int32

 	for {
-		err := doFilerBackup(grpcDialOption, &filerBackupOptions, clientId)
+		clientEpoch++
+		err := doFilerBackup(grpcDialOption, &filerBackupOptions, clientId, clientEpoch)
 		if err != nil {
 			glog.Errorf("backup from %s: %v", *filerBackupOptions.filer, err)
 			time.Sleep(1747 * time.Millisecond)
@@ -71,7 +73,7 @@ const (
 	BackupKeyPrefix = "backup."
 )

-func doFilerBackup(grpcDialOption grpc.DialOption, backupOption *FilerBackupOptions, clientId int32) error {
+func doFilerBackup(grpcDialOption grpc.DialOption, backupOption *FilerBackupOptions, clientId int32, clientEpoch int32) error {

 	// find data sink
 	config := util.GetViper()
@@ -114,6 +116,6 @@ func doFilerBackup(grpcDialOption grpc.DialOption, backupOption *FilerBackupOpti
 		return setOffset(grpcDialOption, sourceFiler, BackupKeyPrefix, int32(sinkId), lastTsNs)
 	})

-	return pb.FollowMetadata(sourceFiler, grpcDialOption, "backup_"+dataSink.GetName(), clientId, sourcePath, nil, startFrom.UnixNano(), 0, 0, processEventFnWithOffset, pb.TrivialOnError)
+	return pb.FollowMetadata(sourceFiler, grpcDialOption, "backup_"+dataSink.GetName(), clientId, clientEpoch, sourcePath, nil, startFrom.UnixNano(), 0, 0, processEventFnWithOffset, pb.TrivialOnError)

 }
@@ -27,8 +27,9 @@ type FilerMetaBackupOptions struct {
 	restart           *bool
 	backupFilerConfig *string

-	store    filer.FilerStore
-	clientId int32
+	store       filer.FilerStore
+	clientId    int32
+	clientEpoch int32
 }

 func init() {
@@ -194,7 +195,8 @@ func (metaBackup *FilerMetaBackupOptions) streamMetadataBackup() error {
 		return metaBackup.setOffset(lastTime)
 	})

-	return pb.FollowMetadata(pb.ServerAddress(*metaBackup.filerAddress), metaBackup.grpcDialOption, "meta_backup", metaBackup.clientId,
+	metaBackup.clientEpoch++
+	return pb.FollowMetadata(pb.ServerAddress(*metaBackup.filerAddress), metaBackup.grpcDialOption, "meta_backup", metaBackup.clientId, metaBackup.clientEpoch,
 		*metaBackup.filerDirectory, nil, startTime.UnixNano(), 0, 0, processEventFnWithOffset, pb.TrivialOnError)

 }
@@ -110,7 +110,7 @@ func runFilerMetaTail(cmd *Command, args []string) bool {
 		untilTsNs = time.Now().Add(-*tailStop).UnixNano()
 	}

-	tailErr := pb.FollowMetadata(pb.ServerAddress(*tailFiler), grpcDialOption, "tail", clientId, *tailTarget, nil,
+	tailErr := pb.FollowMetadata(pb.ServerAddress(*tailFiler), grpcDialOption, "tail", clientId, 0, *tailTarget, nil,
 		time.Now().Add(-*tailStart).UnixNano(), untilTsNs, 0, func(resp *filer_pb.SubscribeMetadataResponse) error {
 			if !shouldPrint(resp) {
 				return nil
@@ -29,6 +29,7 @@ type RemoteGatewayOptions struct {
 	remoteConfs map[string]*remote_pb.RemoteConf
 	bucketsDir  string
 	clientId    int32
+	clientEpoch int32
 }

 var _ = filer_pb.FilerClient(&RemoteGatewayOptions{})
@@ -39,7 +39,8 @@ func (option *RemoteGatewayOptions) followBucketUpdatesAndUploadToRemote(filerSo

 	lastOffsetTs := collectLastSyncOffset(option, option.grpcDialOption, pb.ServerAddress(*option.filerAddress), option.bucketsDir, *option.timeAgo)

-	return pb.FollowMetadata(pb.ServerAddress(*option.filerAddress), option.grpcDialOption, "filer.remote.sync", option.clientId,
+	option.clientEpoch++
+	return pb.FollowMetadata(pb.ServerAddress(*option.filerAddress), option.grpcDialOption, "filer.remote.sync", option.clientId, option.clientEpoch,
 		option.bucketsDir, []string{filer.DirectoryEtcRemote}, lastOffsetTs.UnixNano(), 0, 0, processEventFnWithOffset, pb.TrivialOnError)
 }

@@ -19,6 +19,7 @@ type RemoteSyncOptions struct {
 	timeAgo            *time.Duration
 	dir                *string
 	clientId           int32
+	clientEpoch        int32
 }

 var _ = filer_pb.FilerClient(&RemoteSyncOptions{})
@@ -40,7 +40,8 @@ func followUpdatesAndUploadToRemote(option *RemoteSyncOptions, filerSource *sour

 	lastOffsetTs := collectLastSyncOffset(option, option.grpcDialOption, pb.ServerAddress(*option.filerAddress), mountedDir, *option.timeAgo)

-	return pb.FollowMetadata(pb.ServerAddress(*option.filerAddress), option.grpcDialOption, "filer.remote.sync", option.clientId,
+	option.clientEpoch++
+	return pb.FollowMetadata(pb.ServerAddress(*option.filerAddress), option.grpcDialOption, "filer.remote.sync", option.clientId, option.clientEpoch,
 		mountedDir, []string{filer.DirectoryEtcRemote}, lastOffsetTs.UnixNano(), 0, 0, processEventFnWithOffset, pb.TrivialOnError)
 }

@@ -43,6 +43,7 @@ type SyncOptions struct {
 	bProxyByFiler   *bool
 	metricsHttpPort *int
 	clientId        int32
+	clientEpoch     int32
 }

 var (
@@ -131,7 +132,8 @@ func runFilerSynchronize(cmd *Command, args []string) bool {
 			os.Exit(2)
 		}
 		for {
-			err := doSubscribeFilerMetaChanges(syncOptions.clientId, grpcDialOption, filerA, *syncOptions.aPath, *syncOptions.aProxyByFiler, filerB,
+			syncOptions.clientEpoch++
+			err := doSubscribeFilerMetaChanges(syncOptions.clientId, syncOptions.clientEpoch, grpcDialOption, filerA, *syncOptions.aPath, *syncOptions.aProxyByFiler, filerB,
 				*syncOptions.bPath, *syncOptions.bReplication, *syncOptions.bCollection, *syncOptions.bTtlSec, *syncOptions.bProxyByFiler, *syncOptions.bDiskType,
 				*syncOptions.bDebug, aFilerSignature, bFilerSignature)
 			if err != nil {
@@ -151,7 +153,8 @@ func runFilerSynchronize(cmd *Command, args []string) bool {
 		}
 		go func() {
 			for {
-				err := doSubscribeFilerMetaChanges(syncOptions.clientId, grpcDialOption, filerB, *syncOptions.bPath, *syncOptions.bProxyByFiler, filerA,
+				syncOptions.clientEpoch++
+				err := doSubscribeFilerMetaChanges(syncOptions.clientId, syncOptions.clientEpoch, grpcDialOption, filerB, *syncOptions.bPath, *syncOptions.bProxyByFiler, filerA,
 					*syncOptions.aPath, *syncOptions.aReplication, *syncOptions.aCollection, *syncOptions.aTtlSec, *syncOptions.aProxyByFiler, *syncOptions.aDiskType,
 					*syncOptions.aDebug, bFilerSignature, aFilerSignature)
 				if err != nil {
@@ -183,7 +186,7 @@ func initOffsetFromTsMs(grpcDialOption grpc.DialOption, targetFiler pb.ServerAdd
 	return nil
 }

-func doSubscribeFilerMetaChanges(clientId int32, grpcDialOption grpc.DialOption, sourceFiler pb.ServerAddress, sourcePath string, sourceReadChunkFromFiler bool, targetFiler pb.ServerAddress, targetPath string,
+func doSubscribeFilerMetaChanges(clientId int32, clientEpoch int32, grpcDialOption grpc.DialOption, sourceFiler pb.ServerAddress, sourcePath string, sourceReadChunkFromFiler bool, targetFiler pb.ServerAddress, targetPath string,
 	replicationStr, collection string, ttlSec int, sinkWriteChunkByFiler bool, diskType string, debug bool, sourceFilerSignature int32, targetFilerSignature int32) error {

 	// if first time, start from now
@@ -226,7 +229,7 @@ func doSubscribeFilerMetaChanges(clientId int32, grpcDialOption grpc.DialOption,
 		return setOffset(grpcDialOption, targetFiler, getSignaturePrefixByPath(sourcePath), sourceFilerSignature, lastTsNs)
 	})

-	return pb.FollowMetadata(sourceFiler, grpcDialOption, clientName, clientId,
+	return pb.FollowMetadata(sourceFiler, grpcDialOption, clientName, clientId, clientEpoch,
 		sourcePath, nil, sourceFilerOffsetTsNs, 0, targetFilerSignature, processEventFnWithOffset, pb.RetryForeverOnError)

 }
@@ -337,3 +337,11 @@ pdaddrs = "localhost:2379"
 deleterange_concurrency = 1
 # Enable 1PC
 enable_1pc = false
+# Set the CA certificate path
+ca_path=""
+# Set the certificate path
+cert_path=""
+# Set the private key path
+key_path=""
+# The name list used to verify the cn name
+verify_cn=""
@@ -32,6 +32,8 @@ type AbstractSqlStore struct {
 	dbsLock            sync.Mutex
 }

+var _ filer.BucketAware = (*AbstractSqlStore)(nil)
+
 func (store *AbstractSqlStore) CanDropWholeBucket() bool {
 	return store.SupportBucketTable
 }
@@ -45,7 +45,8 @@ type Filer struct {
 	Signature           int32
 	FilerConf           *FilerConf
 	RemoteStorage       *FilerRemoteStorage
-	UniqueFileId        uint32
+	UniqueFilerId       int32
+	UniqueFilerEpoch    int32
 }

 func NewFiler(masters map[string]pb.ServerAddress, grpcDialOption grpc.DialOption, filerHost pb.ServerAddress,
@@ -56,8 +57,12 @@ func NewFiler(masters map[string]pb.ServerAddress, grpcDialOption grpc.DialOptio
 		GrpcDialOption:      grpcDialOption,
 		FilerConf:           NewFilerConf(),
 		RemoteStorage:       NewFilerRemoteStorage(),
-		UniqueFileId:        uint32(util.RandomInt32()),
+		UniqueFilerId:       util.RandomInt32(),
 	}
+	if f.UniqueFilerId < 0 {
+		f.UniqueFilerId = -f.UniqueFilerId
+	}
+
 	f.LocalMetaLogBuffer = log_buffer.NewLogBuffer("local", LogFlushInterval, f.logFlushFunc, notifyFn)
 	f.metaLogCollection = collection
 	f.metaLogReplication = replication
@@ -79,8 +84,9 @@ func (f *Filer) MaybeBootstrapFromPeers(self pb.ServerAddress, existingNodes []*
 		return
 	}

-	glog.V(0).Infof("bootstrap from %v", earliestNode.Address)
-	err = pb.FollowMetadata(pb.ServerAddress(earliestNode.Address), f.GrpcDialOption, "bootstrap", int32(f.UniqueFileId), "/", nil,
+	glog.V(0).Infof("bootstrap from %v clientId:%d", earliestNode.Address, f.UniqueFilerId)
+	f.UniqueFilerEpoch++
+	err = pb.FollowMetadata(pb.ServerAddress(earliestNode.Address), f.GrpcDialOption, "bootstrap", f.UniqueFilerId, f.UniqueFilerEpoch, "/", nil,
 		0, snapshotTime.UnixNano(), f.Signature, func(resp *filer_pb.SubscribeMetadataResponse) error {
 			return Replay(f.Store, resp)
 		}, pb.FatalOnError)
@@ -94,7 +94,7 @@ func (f *Filer) logFlushFunc(startTime, stopTime time.Time, buf []byte) {
 	startTime, stopTime = startTime.UTC(), stopTime.UTC()

 	targetFile := fmt.Sprintf("%s/%04d-%02d-%02d/%02d-%02d.%08x", SystemLogDir,
-		startTime.Year(), startTime.Month(), startTime.Day(), startTime.Hour(), startTime.Minute(), f.UniqueFileId,
+		startTime.Year(), startTime.Month(), startTime.Day(), startTime.Hour(), startTime.Minute(), f.UniqueFilerId,
 		// startTime.Second(), startTime.Nanosecond(),
 	)

@@ -121,23 +121,31 @@ func (store *LevelDB3Store) findDB(fullpath weed_util.FullPath, isForChildren bo
 	}

 	store.dbsLock.RUnlock()
-	// upgrade to write lock
+
+	db, err := store.createDB(bucket)
+
+	return db, bucket, shortPath, err
+}
+
+func (store *LevelDB3Store) createDB(bucket string) (*leveldb.DB, error) {
+
 	store.dbsLock.Lock()
 	defer store.dbsLock.Unlock()

 	// double check after getting the write lock
 	if db, found := store.dbs[bucket]; found {
-		return db, bucket, shortPath, nil
+		return db, nil
 	}

 	// create db
 	db, err := store.loadDB(bucket)
 	if err != nil {
-		return nil, bucket, shortPath, err
+		return nil, err
 	}
+
 	store.dbs[bucket] = db

-	return db, bucket, shortPath, nil
+	return db, nil
 }

 func (store *LevelDB3Store) closeDB(bucket string) {
@@ -0,0 +1,23 @@
+package leveldb
+
+import (
+	"github.com/chrislusf/seaweedfs/weed/filer"
+	"os"
+)
+
+var _ filer.BucketAware = (*LevelDB3Store)(nil)
+
+func (store *LevelDB3Store) OnBucketCreation(bucket string) {
+	store.createDB(bucket)
+}
+
+func (store *LevelDB3Store) OnBucketDeletion(bucket string) {
+	store.closeDB(bucket)
+	if bucket != "" { // just to make sure
+		os.RemoveAll(store.dir + "/" + bucket)
+	}
+}
+
+func (store *LevelDB3Store) CanDropWholeBucket() bool {
+	return true
+}
@@ -7,6 +7,7 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"io"
+	"strings"
 	"sync"
 	"time"

@@ -57,7 +58,7 @@ func (ma *MetaAggregator) OnPeerUpdate(update *master_pb.ClusterNodeUpdate, star
 	if update.IsAdd {
 		// every filer should subscribe to a new filer
 		if ma.setActive(address, true) {
-			go ma.loopSubscribeToOnefiler(ma.filer, ma.self, address, startFrom)
+			go ma.loopSubscribeToOneFiler(ma.filer, ma.self, address, startFrom)
 		}
 	} else {
 		ma.setActive(address, false)
@@ -89,17 +90,21 @@ func (ma *MetaAggregator) isActive(address pb.ServerAddress) (isActive bool) {
 	return count > 0 && isActive
 }

-func (ma *MetaAggregator) loopSubscribeToOnefiler(f *Filer, self pb.ServerAddress, peer pb.ServerAddress, startFrom time.Time) {
+func (ma *MetaAggregator) loopSubscribeToOneFiler(f *Filer, self pb.ServerAddress, peer pb.ServerAddress, startFrom time.Time) {
 	lastTsNs := startFrom.UnixNano()
 	for {
-		glog.V(0).Infof("loopSubscribeToOnefiler read %s start from %v %d", peer, time.Unix(0, lastTsNs), lastTsNs)
+		glog.V(0).Infof("loopSubscribeToOneFiler read %s start from %v %d", peer, time.Unix(0, lastTsNs), lastTsNs)
 		nextLastTsNs, err := ma.doSubscribeToOneFiler(f, self, peer, lastTsNs)
 		if !ma.isActive(peer) {
 			glog.V(0).Infof("stop subscribing remote %s meta change", peer)
 			return
 		}
 		if err != nil {
-			glog.V(0).Infof("subscribing remote %s meta change: %v", peer, err)
+			errLvl := glog.Level(0)
+			if strings.Contains(err.Error(), "duplicated local subscription detected") {
+				errLvl = glog.Level(1)
+			}
+			glog.V(errLvl).Infof("subscribing remote %s meta change: %v", peer, err)
 		}
 		if lastTsNs < nextLastTsNs {
 			lastTsNs = nextLastTsNs
@@ -185,15 +190,17 @@ func (ma *MetaAggregator) doSubscribeToOneFiler(f *Filer, self pb.ServerAddress,
 		return nil
 	}

-	glog.V(4).Infof("subscribing remote %s meta change: %v", peer, time.Unix(0, lastTsNs))
+	glog.V(0).Infof("subscribing remote %s meta change: %v, clientId:%d", peer, time.Unix(0, lastTsNs), ma.filer.UniqueFilerId)
 	err = pb.WithFilerClient(true, peer, ma.grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
 		ctx, cancel := context.WithCancel(context.Background())
 		defer cancel()
+		ma.filer.UniqueFilerEpoch++
 		stream, err := client.SubscribeLocalMetadata(ctx, &filer_pb.SubscribeMetadataRequest{
-			ClientName: "filer:" + string(self),
-			PathPrefix: "/",
-			SinceNs:    lastTsNs,
-			ClientId:   int32(ma.filer.UniqueFileId),
+			ClientName:  "filer:" + string(self),
+			PathPrefix:  "/",
+			SinceNs:     lastTsNs,
+			ClientId:    ma.filer.UniqueFilerId,
+			ClientEpoch: ma.filer.UniqueFilerEpoch,
 		})
 		if err != nil {
 			return fmt.Errorf("subscribe: %v", err)
@@ -18,6 +18,8 @@ const (
 	CONNECTION_URL_PATTERN = "%s:%s@tcp(%s:%d)/%s?charset=utf8"
 )

+var _ filer.BucketAware = (*MysqlStore2)(nil)
+
 func init() {
 	filer.Stores = append(filer.Stores, &MysqlStore2{})
 }
@@ -17,6 +17,8 @@ const (
 	CONNECTION_URL_PATTERN = "host=%s port=%d sslmode=%s connect_timeout=30"
 )

+var _ filer.BucketAware = (*PostgresStore2)(nil)
+
 func init() {
 	filer.Stores = append(filer.Stores, &PostgresStore2{})
 }
@@ -2,9 +2,10 @@ package filer

 import (
 	"bytes"
+	"time"
+
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
 	"github.com/chrislusf/seaweedfs/weed/wdclient"
-	"time"
 )

 func ReadEntry(masterClient *wdclient.MasterClient, filerClient filer_pb.SeaweedFilerClient, dir, name string, byteBuffer *bytes.Buffer) error {
@@ -60,7 +61,7 @@ func SaveInsideFiler(client filer_pb.SeaweedFilerClient, dir, name string, conte
 				},
 				Content: content,
 			},
-			SkipCheckParentDirectory: true,
+			SkipCheckParentDirectory: false,
 		})
 	} else if err == nil {
 		entry := resp.Entry
@@ -18,7 +18,8 @@ type ReaderCache struct {
 }

 type SingleChunkCacher struct {
-	sync.RWMutex
+	sync.Mutex
+	cond          *sync.Cond
 	parent        *ReaderCache
 	chunkFileId   string
 	data          []byte
@@ -75,7 +76,9 @@ func (rc *ReaderCache) ReadChunkAt(buffer []byte, fileId string, cipherKey []byt
 	rc.Lock()
 	defer rc.Unlock()
 	if cacher, found := rc.downloaders[fileId]; found {
-		return cacher.readChunkAt(buffer, offset)
+		if n, err := cacher.readChunkAt(buffer, offset); n != 0 && err == nil {
+			return n, err
+		}
 	}
 	if shouldCache || rc.lookupFileIdFn == nil {
 		n, err := rc.chunkCache.ReadChunkAt(buffer, fileId, uint64(offset))
@@ -140,6 +143,7 @@ func newSingleChunkCacher(parent *ReaderCache, fileId string, cipherKey []byte,
 		chunkSize:   chunkSize,
 		shouldCache: shouldCache,
 	}
+	t.cond = sync.NewCond(t)
 	return t
 }

@@ -168,11 +172,15 @@ func (s *SingleChunkCacher) startCaching() {
 	if s.shouldCache {
 		s.parent.chunkCache.SetChunk(s.chunkFileId, s.data)
 	}
+	s.cond.Broadcast()

 	return
 }

 func (s *SingleChunkCacher) destroy() {
+	s.Lock()
+	defer s.Unlock()
+
 	if s.data != nil {
 		mem.Free(s.data)
 		s.data = nil
@@ -180,13 +188,21 @@ func (s *SingleChunkCacher) destroy() {
 }

 func (s *SingleChunkCacher) readChunkAt(buf []byte, offset int64) (int, error) {
-	s.RLock()
-	defer s.RUnlock()
+	s.Lock()
+	defer s.Unlock()
+
+	for s.completedTime.IsZero() {
+		s.cond.Wait()
+	}

 	if s.err != nil {
 		return 0, s.err
 	}

+	if len(s.data) == 0 {
+		return 0, nil
+	}
+
 	return copy(buf, s.data[offset:]), nil

 }
@@ -1,8 +1,8 @@
 package filer

 type ReaderPattern struct {
-	isStreaming    bool
-	lastReadOffset int64
+	isSequentialCounter int64
+	lastReadStopOffset  int64
 }

 // For streaming read: only cache the first chunk
@@ -10,29 +10,20 @@ type ReaderPattern struct {

 func NewReaderPattern() *ReaderPattern {
 	return &ReaderPattern{
-		isStreaming:    true,
-		lastReadOffset: -1,
+		isSequentialCounter: 0,
+		lastReadStopOffset:  0,
 	}
 }

 func (rp *ReaderPattern) MonitorReadAt(offset int64, size int) {
-	isStreaming := true
-	if rp.lastReadOffset > offset {
-		isStreaming = false
+	if rp.lastReadStopOffset == offset {
+		rp.isSequentialCounter++
+	} else {
+		rp.isSequentialCounter--
 	}
-	if rp.lastReadOffset == -1 {
-		if offset != 0 {
-			isStreaming = false
-		}
-	}
-	rp.lastReadOffset = offset
-	rp.isStreaming = isStreaming
-}
-
-func (rp *ReaderPattern) IsStreamingMode() bool {
-	return rp.isStreaming
+	rp.lastReadStopOffset = offset + int64(size)
 }

 func (rp *ReaderPattern) IsRandomMode() bool {
-	return !rp.isStreaming
+	return rp.isSequentialCounter >= 0
 }
@@ -2,9 +2,12 @@ package filer

 import (
 	"bytes"
+	"fmt"
+	"io"
+
+	"github.com/chrislusf/seaweedfs/weed/pb/iam_pb"
 	"github.com/golang/protobuf/jsonpb"
 	"github.com/golang/protobuf/proto"
-	"io"
 )

 func ParseS3ConfigurationFromBytes[T proto.Message](content []byte, config T) error {
@@ -23,3 +26,18 @@ func ProtoToText(writer io.Writer, config proto.Message) error {

 	return m.Marshal(writer, config)
 }
+
+// CheckDuplicateAccessKey returns an error message when s3cfg has duplicate access keys
+func CheckDuplicateAccessKey(s3cfg *iam_pb.S3ApiConfiguration) error {
+	accessKeySet := make(map[string]string)
+	for _, ident := range s3cfg.Identities {
+		for _, cred := range ident.Credentials {
+			if userName, found := accessKeySet[cred.AccessKey]; !found {
+				accessKeySet[cred.AccessKey] = ident.Name
+			} else {
+				return fmt.Errorf("duplicate accessKey[%s], already configured in user[%s]", cred.AccessKey, userName)
+			}
+		}
+	}
+	return nil
+}
@@ -2,9 +2,10 @@ package filer

 import (
 	"bytes"
-	. "github.com/chrislusf/seaweedfs/weed/s3api/s3_constants"
 	"testing"

+	. "github.com/chrislusf/seaweedfs/weed/s3api/s3_constants"
+
 	"github.com/chrislusf/seaweedfs/weed/pb/iam_pb"

 	"github.com/stretchr/testify/assert"
@@ -55,3 +56,93 @@ func TestS3Conf(t *testing.T) {
 	assert.Equal(t, "some_access_key1", s3ConfSaved.Identities[0].Credentials[0].AccessKey)
 	assert.Equal(t, "some_secret_key2", s3ConfSaved.Identities[1].Credentials[0].SecretKey)
 }
+
+func TestCheckDuplicateAccessKey(t *testing.T) {
+	var tests = []struct {
+		s3cfg *iam_pb.S3ApiConfiguration
+		err   string
+	}{
+		{
+			&iam_pb.S3ApiConfiguration{
+				Identities: []*iam_pb.Identity{
+					{
+						Name: "some_name",
+						Credentials: []*iam_pb.Credential{
+							{
+								AccessKey: "some_access_key1",
+								SecretKey: "some_secret_key1",
+							},
+						},
+						Actions: []string{
+							ACTION_ADMIN,
+							ACTION_READ,
+							ACTION_WRITE,
+						},
+					},
+					{
+						Name: "some_read_only_user",
+						Credentials: []*iam_pb.Credential{
+							{
+								AccessKey: "some_access_key2",
+								SecretKey: "some_secret_key2",
+							},
+						},
+						Actions: []string{
+							ACTION_READ,
+							ACTION_TAGGING,
+							ACTION_LIST,
+						},
+					},
+				},
+			},
+			"",
+		},
+		{
+			&iam_pb.S3ApiConfiguration{
+				Identities: []*iam_pb.Identity{
+					{
+						Name: "some_name",
+						Credentials: []*iam_pb.Credential{
+							{
+								AccessKey: "some_access_key1",
+								SecretKey: "some_secret_key1",
+							},
+						},
+						Actions: []string{
+							ACTION_ADMIN,
+							ACTION_READ,
+							ACTION_WRITE,
+						},
+					},
+					{
+						Name: "some_read_only_user",
+						Credentials: []*iam_pb.Credential{
+							{
+								AccessKey: "some_access_key1",
+								SecretKey: "some_secret_key1",
+							},
+						},
+						Actions: []string{
+							ACTION_READ,
+							ACTION_TAGGING,
+							ACTION_LIST,
+						},
+					},
+				},
+			},
+			"duplicate accessKey[some_access_key1], already configured in user[some_name]",
+		},
+	}
+	for i, test := range tests {
+		err := CheckDuplicateAccessKey(test.s3cfg)
+		var errString string
+		if err == nil {
+			errString = ""
+		} else {
+			errString = err.Error()
+		}
+		if errString != test.err {
+			t.Errorf("[%d]: got: %s expected: %s", i, errString, test.err)
+		}
+	}
+}
@@ -18,6 +18,12 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/wdclient"
 )

+var getLookupFileIdBackoffSchedule = []time.Duration{
+	150 * time.Millisecond,
+	600 * time.Millisecond,
+	1800 * time.Millisecond,
+}
+
 func HasData(entry *filer_pb.Entry) bool {

 	if len(entry.Content) > 0 {
@@ -69,14 +75,22 @@ func StreamContent(masterClient wdclient.HasLookupFileIdFunction, writer io.Writ
 	fileId2Url := make(map[string][]string)

 	for _, chunkView := range chunkViews {
-
-		urlStrings, err := masterClient.GetLookupFileIdFunction()(chunkView.FileId)
+		var urlStrings []string
+		var err error
+		for _, backoff := range getLookupFileIdBackoffSchedule {
+			urlStrings, err = masterClient.GetLookupFileIdFunction()(chunkView.FileId)
+			if err != nil || len(urlStrings) == 0 {
+				time.Sleep(backoff)
+				break
+			}
+		}
 		if err != nil {
 			glog.V(1).Infof("operation LookupFileId %s failed, err: %v", chunkView.FileId, err)
 			return err
 		} else if len(urlStrings) == 0 {
-			glog.Errorf("operation LookupFileId %s failed, err: urls not found", chunkView.FileId)
-			return fmt.Errorf("operation LookupFileId %s failed, err: urls not found", chunkView.FileId)
+			errUrlNotFound := fmt.Errorf("operation LookupFileId %s failed, err: urls not found", chunkView.FileId)
+			glog.Error(errUrlNotFound)
+			return errUrlNotFound
 		}
 		fileId2Url[chunkView.FileId] = urlStrings
 	}
@@ -15,6 +15,7 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/glog"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
 	"github.com/chrislusf/seaweedfs/weed/util"
+	"github.com/tikv/client-go/v2/config"
 	"github.com/tikv/client-go/v2/txnkv"
 )

@@ -38,21 +39,25 @@ func (store *TikvStore) GetName() string {
 }

 func (store *TikvStore) Initialize(config util.Configuration, prefix string) error {
-	pdAddrs := []string{}
-	pdAddrsStr := config.GetString(prefix + "pdaddrs")
-	for _, item := range strings.Split(pdAddrsStr, ",") {
-		pdAddrs = append(pdAddrs, strings.TrimSpace(item))
-	}
+	ca := config.GetString(prefix + "ca_path")
+	cert := config.GetString(prefix + "cert_path")
+	key := config.GetString(prefix + "key_path")
+	verify_cn := strings.Split(config.GetString(prefix+"verify_cn"), ",")
+	pdAddrs := strings.Split(config.GetString(prefix+"pdaddrs"), ",")
+
 	drc := config.GetInt(prefix + "deleterange_concurrency")
 	if drc <= 0 {
 		drc = 1
 	}
 	store.onePC = config.GetBool(prefix + "enable_1pc")
 	store.deleteRangeConcurrency = drc
-	return store.initialize(pdAddrs)
+	return store.initialize(ca, cert, key, verify_cn, pdAddrs)
 }

-func (store *TikvStore) initialize(pdAddrs []string) error {
+func (store *TikvStore) initialize(ca, cert, key string, verify_cn, pdAddrs []string) error {
+	config.UpdateGlobal(func(conf *config.Config) {
+		conf.Security = config.NewSecurity(ca, cert, key, verify_cn)
+	})
 	client, err := txnkv.NewClient(pdAddrs)
 	store.client = client
 	return err
@@ -320,6 +320,8 @@ func (store *YdbStore) Shutdown() {
 	_ = store.DB.Close(context.Background())
 }

+var _ filer.BucketAware = (*YdbStore)(nil)
+
 func (store *YdbStore) CanDropWholeBucket() bool {
 	return store.SupportBucketTable
 }
@@ -574,16 +574,15 @@ func (l *loggingT) formatHeader(s severity, file string, line int) *buffer {
 	buf.twoDigits(9, minute)
 	buf.tmp[11] = ':'
 	buf.twoDigits(12, second)
-	buf.tmp[14] = ' '
-	buf.nDigits(5, 15, pid, ' ') // TODO: should be TID
-	buf.tmp[20] = ' '
-	buf.Write(buf.tmp[:21])
+	buf.tmp[14] = '.'
+	buf.nDigits(6, 15, now.Nanosecond()/1000, '0')
+	buf.tmp[21] = ' '
+	buf.Write(buf.tmp[:22])
 	buf.WriteString(file)
 	buf.tmp[0] = ':'
 	n := buf.someDigits(1, line)
-	buf.tmp[n+1] = ']'
-	buf.tmp[n+2] = ' '
-	buf.Write(buf.tmp[:n+3])
+	buf.tmp[n+1] = ' '
+	buf.Write(buf.tmp[:n+2])
 	return buf
 }

@@ -125,9 +125,9 @@ func TestInfoDepth(t *testing.T) {

 		// pull out the line number (between : and ])
 		msg := m[strings.LastIndex(m, ":")+1:]
-		x := strings.Index(msg, "]")
+		x := strings.Index(msg, " ")
 		if x < 0 {
-			t.Errorf("InfoDepth[%d]: missing ']': %q", i, m)
+			t.Errorf("InfoDepth[%d]: missing ' ': %q", i, m)
 			continue
 		}
 		line, err := strconv.Atoi(msg[:x])
@@ -180,7 +180,7 @@ func TestHeader(t *testing.T) {
 	pid = 1234
 	Info("test")
 	var line int
-	format := "I0102 15:04:05  1234 glog_test.go:%d] test\n"
+	format := "I0102 15:04:05.067890 glog_test.go:%d test\n"
 	n, err := fmt.Sscanf(contents(infoLog), format, &line)
 	if n != 1 || err != nil {
 		t.Errorf("log format error: %d elements, error %s:\n%s", n, err, contents(infoLog))
@@ -204,6 +204,7 @@ func (iama *IamApiServer) CreatePolicy(s3cfg *iam_pb.S3ApiConfiguration, values
 	return resp, nil
 }

+// https://docs.aws.amazon.com/IAM/latest/APIReference/API_PutUserPolicy.html
 func (iama *IamApiServer) PutUserPolicy(s3cfg *iam_pb.S3ApiConfiguration, values url.Values) (resp PutUserPolicyResponse, err error) {
 	userName := values.Get("UserName")
 	policyName := values.Get("PolicyName")
@@ -215,14 +216,23 @@ func (iama *IamApiServer) PutUserPolicy(s3cfg *iam_pb.S3ApiConfiguration, values
 	policyDocuments[policyName] = &policyDocument
 	actions := GetActions(&policyDocument)
 	for _, ident := range s3cfg.Identities {
-		if userName == ident.Name {
-			for _, action := range actions {
+		if userName != ident.Name {
+			continue
+		}
+
+		existedActions := make(map[string]bool, len(ident.Actions))
+		for _, action := range ident.Actions {
+			existedActions[action] = true
+		}
+
+		for _, action := range actions {
+			if !existedActions[action] {
 				ident.Actions = append(ident.Actions, action)
 			}
-			break
 		}
+		return resp, nil
 	}
-	return resp, nil
+	return resp, fmt.Errorf("%s: the user with name %s cannot be found", iam.ErrCodeNoSuchEntityException, userName)
 }

 func (iama *IamApiServer) GetUserPolicy(s3cfg *iam_pb.S3ApiConfiguration, values url.Values) (resp GetUserPolicyResponse, err error) {
@@ -347,7 +357,8 @@ func (iama *IamApiServer) CreateAccessKey(s3cfg *iam_pb.S3ApiConfiguration, valu
 	}
 	if !changed {
 		s3cfg.Identities = append(s3cfg.Identities,
-			&iam_pb.Identity{Name: userName,
+			&iam_pb.Identity{
+				Name: userName,
 				Credentials: []*iam_pb.Credential{
 					{
 						AccessKey: accessKeyId,
@@ -412,14 +423,11 @@ func (iama *IamApiServer) DoActions(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	values := r.PostForm
-	var s3cfgLock sync.RWMutex
-	s3cfgLock.RLock()
 	s3cfg := &iam_pb.S3ApiConfiguration{}
 	if err := iama.s3ApiConfig.GetS3ApiConfiguration(s3cfg); err != nil {
 		s3err.WriteErrorResponse(w, r, s3err.ErrInternalError)
 		return
 	}
-	s3cfgLock.RUnlock()

 	glog.V(4).Infof("DoActions: %+v", values)
 	var response interface{}
@@ -498,9 +506,7 @@ func (iama *IamApiServer) DoActions(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 	if changed {
-		s3cfgLock.Lock()
 		err := iama.s3ApiConfig.PutS3ApiConfiguration(s3cfg)
-		s3cfgLock.Unlock()
 		if err != nil {
 			writeIamErrorResponse(w, r, fmt.Errorf(iam.ErrCodeServiceFailureException), "", "", err)
 			return
@@ -6,6 +6,8 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
+	"net/http"
+
 	"github.com/chrislusf/seaweedfs/weed/filer"
 	"github.com/chrislusf/seaweedfs/weed/pb"
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
@@ -17,7 +19,6 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/wdclient"
 	"github.com/gorilla/mux"
 	"google.golang.org/grpc"
-	"net/http"
 )

 type IamS3ApiConfig interface {
@@ -117,10 +118,10 @@ func (iam IamS3ApiConfigure) GetPolicies(policies *Policies) (err error) {
 		}
 		return nil
 	})
-	if err != nil {
+	if err != nil && err != filer_pb.ErrNotFound {
 		return err
 	}
-	if buf.Len() == 0 {
+	if err == filer_pb.ErrNotFound || buf.Len() == 0 {
 		policies.Policies = make(map[string]PolicyDocument)
 		return nil
 	}
@@ -98,16 +98,15 @@ func (fh *FileHandle) AddChunks(chunks []*filer_pb.FileChunk) {
 	fh.entryViewCache = nil
 }

-func (fh *FileHandle) SetReader(reader *filer.ChunkReadAt) {
+func (fh *FileHandle) CloseReader() {
 	if fh.reader != nil {
 		fh.reader.Close()
 	}
-	fh.reader = reader
 }

 func (fh *FileHandle) Release() {
 	fh.dirtyPages.Destroy()
-	fh.SetReader(nil)
+	fh.CloseReader()
 }

 func lessThan(a, b *filer_pb.FileChunk) bool {
@@ -62,21 +62,19 @@ func (fh *FileHandle) readFromChunks(buff []byte, offset int64) (int64, error) {
 		if chunkResolveErr != nil {
 			return 0, fmt.Errorf("fail to resolve chunk manifest: %v", chunkResolveErr)
 		}
-		fh.SetReader(nil)
+		fh.CloseReader()
 	}

-	reader := fh.reader
-	if reader == nil {
+	if fh.reader == nil {
 		chunkViews := filer.ViewFromVisibleIntervals(fh.entryViewCache, 0, fileSize)
 		glog.V(4).Infof("file handle read %s [%d,%d) from %d views", fileFullPath, offset, offset+int64(len(buff)), len(chunkViews))
 		for _, chunkView := range chunkViews {
 			glog.V(4).Infof("  read %s [%d,%d) from chunk %+v", fileFullPath, chunkView.LogicOffset, chunkView.LogicOffset+int64(chunkView.Size), chunkView.FileId)
 		}
-		reader = filer.NewChunkReaderAtFromClient(fh.wfs.LookupFn(), chunkViews, fh.wfs.chunkCache, fileSize)
+		fh.reader = filer.NewChunkReaderAtFromClient(fh.wfs.LookupFn(), chunkViews, fh.wfs.chunkCache, fileSize)
 	}
-	fh.SetReader(reader)

-	totalRead, err := reader.ReadAt(buff, offset)
+	totalRead, err := fh.reader.ReadAt(buff, offset)

 	if err != nil && err != io.EOF {
 		glog.Errorf("file handle read %s: %v", fileFullPath, err)
@@ -14,18 +14,40 @@ type InodeToPath struct {
 	path2inode  map[util.FullPath]uint64
 }
 type InodeEntry struct {
-	util.FullPath
+	paths            []util.FullPath
 	nlookup          uint64
 	isDirectory      bool
 	isChildrenCached bool
 }

+func (ie *InodeEntry) removeOnePath(p util.FullPath) bool {
+	if len(ie.paths) == 0 {
+		return false
+	}
+	idx := -1
+	for i, x := range ie.paths {
+		if x == p {
+			idx = i
+			break
+		}
+	}
+	if idx < 0 {
+		return false
+	}
+	for x := idx; x < len(ie.paths)-1; x++ {
+		ie.paths[x] = ie.paths[x+1]
+	}
+	ie.paths = ie.paths[0 : len(ie.paths)-1]
+	ie.nlookup--
+	return true
+}
+
 func NewInodeToPath(root util.FullPath) *InodeToPath {
 	t := &InodeToPath{
 		inode2path: make(map[uint64]*InodeEntry),
 		path2inode: make(map[util.FullPath]uint64),
 	}
-	t.inode2path[1] = &InodeEntry{root, 1, true, false}
+	t.inode2path[1] = &InodeEntry{[]util.FullPath{root}, 1, true, false}
 	t.path2inode[root] = 1
 	return t
 }
@@ -54,9 +76,9 @@ func (i *InodeToPath) Lookup(path util.FullPath, unixTime int64, isDirectory boo
 		}
 	} else {
 		if !isLookup {
-			i.inode2path[inode] = &InodeEntry{path, 0, isDirectory, false}
+			i.inode2path[inode] = &InodeEntry{[]util.FullPath{path}, 0, isDirectory, false}
 		} else {
-			i.inode2path[inode] = &InodeEntry{path, 1, isDirectory, false}
+			i.inode2path[inode] = &InodeEntry{[]util.FullPath{path}, 1, isDirectory, false}
 		}
 	}

@@ -94,10 +116,10 @@ func (i *InodeToPath) GetPath(inode uint64) (util.FullPath, fuse.Status) {
 	i.RLock()
 	defer i.RUnlock()
 	path, found := i.inode2path[inode]
-	if !found {
+	if !found || len(path.paths) == 0 {
 		return "", fuse.ENOENT
 	}
-	return path.FullPath, fuse.OK
+	return path.paths[0], fuse.OK
 }

 func (i *InodeToPath) HasPath(path util.FullPath) bool {
@@ -142,23 +164,55 @@ func (i *InodeToPath) HasInode(inode uint64) bool {
 	return found
 }

+func (i *InodeToPath) AddPath(inode uint64, path util.FullPath) {
+	i.Lock()
+	defer i.Unlock()
+	i.path2inode[path] = inode
+
+	ie, found := i.inode2path[inode]
+	if found {
+		ie.paths = append(ie.paths, path)
+		ie.nlookup++
+	} else {
+		i.inode2path[inode] = &InodeEntry{
+			paths:            []util.FullPath{path},
+			nlookup:          1,
+			isDirectory:      false,
+			isChildrenCached: false,
+		}
+	}
+}
+
 func (i *InodeToPath) RemovePath(path util.FullPath) {
 	i.Lock()
 	defer i.Unlock()
 	inode, found := i.path2inode[path]
 	if found {
 		delete(i.path2inode, path)
+		i.removePathFromInode2Path(inode, path)
+	}
+}
+
+func (i *InodeToPath) removePathFromInode2Path(inode uint64, path util.FullPath) {
+	ie, found := i.inode2path[inode]
+	if !found {
+		return
+	}
+	if !ie.removeOnePath(path) {
+		return
+	}
+	if len(ie.paths) == 0 {
 		delete(i.inode2path, inode)
 	}
 }

-func (i *InodeToPath) MovePath(sourcePath, targetPath util.FullPath) (replacedInode uint64) {
+func (i *InodeToPath) MovePath(sourcePath, targetPath util.FullPath) (sourceInode, targetInode uint64) {
 	i.Lock()
 	defer i.Unlock()
 	sourceInode, sourceFound := i.path2inode[sourcePath]
 	targetInode, targetFound := i.path2inode[targetPath]
 	if targetFound {
-		delete(i.inode2path, targetInode)
+		i.removePathFromInode2Path(targetInode, targetPath)
 		delete(i.path2inode, targetPath)
 	}
 	if sourceFound {
@@ -170,7 +224,11 @@ func (i *InodeToPath) MovePath(sourcePath, targetPath util.FullPath) (replacedIn
 		return
 	}
 	if entry, entryFound := i.inode2path[sourceInode]; entryFound {
-		entry.FullPath = targetPath
+		for i, p := range entry.paths {
+			if p == sourcePath {
+				entry.paths[i] = targetPath
+			}
+		}
 		entry.isChildrenCached = false
 		if !targetFound {
 			entry.nlookup++
@@ -178,7 +236,7 @@ func (i *InodeToPath) MovePath(sourcePath, targetPath util.FullPath) (replacedIn
 	} else {
 		glog.Errorf("MovePath %s to %s: sourceInode %d not found", sourcePath, targetPath, sourceInode)
 	}
-	return targetInode
+	return
 }

 func (i *InodeToPath) Forget(inode, nlookup uint64, onForgetDir func(dir util.FullPath)) {
@@ -187,7 +245,9 @@ func (i *InodeToPath) Forget(inode, nlookup uint64, onForgetDir func(dir util.Fu
 	if found {
 		path.nlookup -= nlookup
 		if path.nlookup <= 0 {
-			delete(i.path2inode, path.FullPath)
+			for _, p := range path.paths {
+				delete(i.path2inode, p)
+			}
 			delete(i.inode2path, inode)
 		}
 	}
@@ -195,7 +255,9 @@ func (i *InodeToPath) Forget(inode, nlookup uint64, onForgetDir func(dir util.Fu
 	if found {
 		if path.isDirectory && path.nlookup <= 0 && onForgetDir != nil {
 			path.isChildrenCached = false
-			onForgetDir(path.FullPath)
+			for _, p := range path.paths {
+				onForgetDir(p)
+			}
 		}
 	}
 }
@@ -0,0 +1,93 @@
+package mount
+
+import (
+	"github.com/chrislusf/seaweedfs/weed/util"
+	"testing"
+)
+
+func TestInodeEntry_removeOnePath(t *testing.T) {
+	tests := []struct {
+		name  string
+		entry InodeEntry
+		p     util.FullPath
+		want  bool
+		count int
+	}{
+		{
+			name: "actual case",
+			entry: InodeEntry{
+				paths: []util.FullPath{"/pjd/nx", "/pjd/n0"},
+			},
+			p:     "/pjd/nx",
+			want:  true,
+			count: 1,
+		},
+		{
+			name:  "empty",
+			entry: InodeEntry{},
+			p:     "x",
+			want:  false,
+			count: 0,
+		},
+		{
+			name: "single",
+			entry: InodeEntry{
+				paths: []util.FullPath{"/x"},
+			},
+			p:     "/x",
+			want:  true,
+			count: 0,
+		},
+		{
+			name: "first",
+			entry: InodeEntry{
+				paths: []util.FullPath{"/x", "/y", "/z"},
+			},
+			p:     "/x",
+			want:  true,
+			count: 2,
+		},
+		{
+			name: "middle",
+			entry: InodeEntry{
+				paths: []util.FullPath{"/x", "/y", "/z"},
+			},
+			p:     "/y",
+			want:  true,
+			count: 2,
+		},
+		{
+			name: "last",
+			entry: InodeEntry{
+				paths: []util.FullPath{"/x", "/y", "/z"},
+			},
+			p:     "/z",
+			want:  true,
+			count: 2,
+		},
+		{
+			name: "not found",
+			entry: InodeEntry{
+				paths: []util.FullPath{"/x", "/y", "/z"},
+			},
+			p:     "/t",
+			want:  false,
+			count: 3,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := tt.entry.removeOnePath(tt.p); got != tt.want {
+				t.Errorf("removeOnePath() = %v, want %v", got, tt.want)
+			}
+			if tt.count != len(tt.entry.paths) {
+				t.Errorf("removeOnePath path count = %v, want %v", len(tt.entry.paths), tt.count)
+			}
+			for i, p := range tt.entry.paths {
+				if p == tt.p {
+					t.Errorf("removeOnePath found path still exists at %v, %v", i, p)
+				}
+			}
+		})
+	}
+}
@@ -57,8 +57,10 @@ func SubscribeMetaEvents(mc *MetaCache, selfSignature int32, client filer_pb.Fil

 	}

+	var clientEpoch int32
 	util.RetryForever("followMetaUpdates", func() error {
-		return pb.WithFilerClientFollowMetadata(client, "mount", selfSignature, dir, &lastTsNs, 0, selfSignature, processEventFn, pb.FatalOnError)
+		clientEpoch++
+		return pb.WithFilerClientFollowMetadata(client, "mount", selfSignature, clientEpoch, dir, &lastTsNs, 0, selfSignature, processEventFn, pb.FatalOnError)
 	}, func(err error) bool {
 		glog.Errorf("follow metadata updates: %v", err)
 		return true
@@ -29,14 +29,14 @@ func newPageWriter(fh *FileHandle, chunkSize int64) *PageWriter {
 	return pw
 }

-func (pw *PageWriter) AddPage(offset int64, data []byte, isSequentail bool) {
+func (pw *PageWriter) AddPage(offset int64, data []byte, isSequential bool) {

 	glog.V(4).Infof("%v AddPage [%d, %d)", pw.fh.fh, offset, offset+int64(len(data)))

 	chunkIndex := offset / pw.chunkSize
 	for i := chunkIndex; len(data) > 0; i++ {
 		writeSize := min(int64(len(data)), (i+1)*pw.chunkSize-offset)
-		pw.addToOneChunk(i, offset, data[:writeSize], isSequentail)
+		pw.addToOneChunk(i, offset, data[:writeSize], isSequential)
 		offset += writeSize
 		data = data[writeSize:]
 	}
@@ -1,9 +1,9 @@
 package mount

 type WriterPattern struct {
-	isStreaming     bool
-	lastWriteOffset int64
-	chunkSize       int64
+	isSequentialCounter int64
+	lastWriteStopOffset int64
+	chunkSize           int64
 }

 // For streaming write: only cache the first chunk
@@ -12,33 +12,21 @@ type WriterPattern struct {

 func NewWriterPattern(chunkSize int64) *WriterPattern {
 	return &WriterPattern{
-		isStreaming:     true,
-		lastWriteOffset: -1,
-		chunkSize:       chunkSize,
+		isSequentialCounter: 0,
+		lastWriteStopOffset: 0,
+		chunkSize:           chunkSize,
 	}
 }

 func (rp *WriterPattern) MonitorWriteAt(offset int64, size int) {
-	if rp.lastWriteOffset > offset {
-		rp.isStreaming = false
+	if rp.lastWriteStopOffset == offset {
+		rp.isSequentialCounter++
+	} else {
+		rp.isSequentialCounter--
 	}
-	if rp.lastWriteOffset == -1 {
-		if offset != 0 {
-			rp.isStreaming = false
-		}
-	}
-	rp.lastWriteOffset = offset
+	rp.lastWriteStopOffset = offset + int64(size)
 }

-func (rp *WriterPattern) IsStreamingMode() bool {
-	return rp.isStreaming
-}
-
-func (rp *WriterPattern) IsRandomMode() bool {
-	return !rp.isStreaming
-}
-
-func (rp *WriterPattern) Reset() {
-	rp.isStreaming = true
-	rp.lastWriteOffset = -1
+func (rp *WriterPattern) IsSequentialMode() bool {
+	return rp.isSequentialCounter >= 0
 }
@@ -125,7 +125,7 @@ func (wfs *WFS) Init(server *fuse.Server) {
 	wfs.fuseServer = server
 }

-func (wfs *WFS) maybeReadEntry(inode uint64) (path util.FullPath, fh *FileHandle, entry *filer_pb.Entry, status fuse.Status) {
+func (wfs *WFS) maybeReadEntry(inode uint64, followSymLink bool) (path util.FullPath, fh *FileHandle, entry *filer_pb.Entry, targetInode uint64, status fuse.Status) {
 	path, status = wfs.inodeToPath.GetPath(inode)
 	if status != fuse.OK {
 		return
@@ -136,9 +136,17 @@ func (wfs *WFS) maybeReadEntry(inode uint64) (path util.FullPath, fh *FileHandle
 		if entry != nil && fh.entry.Attributes == nil {
 			entry.Attributes = &filer_pb.FuseAttributes{}
 		}
-		return path, fh, entry, fuse.OK
+	} else {
+		entry, status = wfs.maybeLoadEntry(path)
+	}
+	targetInode = inode
+	if status == fuse.OK && followSymLink && entry.FileMode()&os.ModeSymlink != 0 {
+		if entry != nil && entry.Attributes != nil && entry.Attributes.Inode != 0 {
+			targetInode = entry.Attributes.Inode
+		}
+		target := filepath.Join(string(path), "../"+entry.Attributes.SymlinkTarget)
+		entry, status = wfs.maybeLoadEntry(util.FullPath(target))
 	}
-	entry, status = wfs.maybeLoadEntry(path)
 	return
 }

@@ -16,15 +16,16 @@ func (wfs *WFS) GetAttr(cancel <-chan struct{}, input *fuse.GetAttrIn, out *fuse
 		return fuse.OK
 	}

-	_, _, entry, status := wfs.maybeReadEntry(input.NodeId)
+	inode := input.NodeId
+	_, _, entry, inode, status := wfs.maybeReadEntry(inode, false)
 	if status == fuse.OK {
 		out.AttrValid = 1
-		wfs.setAttrByPbEntry(&out.Attr, input.NodeId, entry)
+		wfs.setAttrByPbEntry(&out.Attr, inode, entry)
 		return status
 	} else {
-		if fh, found := wfs.fhmap.FindFileHandle(input.NodeId); found {
+		if fh, found := wfs.fhmap.FindFileHandle(inode); found {
 			out.AttrValid = 1
-			wfs.setAttrByPbEntry(&out.Attr, input.NodeId, fh.entry)
+			wfs.setAttrByPbEntry(&out.Attr, inode, fh.entry)
 			out.Nlink = 0
 			return fuse.OK
 		}
@@ -39,7 +40,7 @@ func (wfs *WFS) SetAttr(cancel <-chan struct{}, input *fuse.SetAttrIn, out *fuse
 		return fuse.Status(syscall.ENOSPC)
 	}

-	path, fh, entry, status := wfs.maybeReadEntry(input.NodeId)
+	path, fh, entry, inode, status := wfs.maybeReadEntry(input.NodeId, false)
 	if status != fuse.OK {
 		return status
 	}
@@ -48,7 +49,7 @@ func (wfs *WFS) SetAttr(cancel <-chan struct{}, input *fuse.SetAttrIn, out *fuse
 		defer fh.entryLock.Unlock()
 	}

-	if size, ok := input.GetSize(); ok {
+	if size, ok := input.GetSize(); ok && entry != nil {
 		glog.V(4).Infof("%v setattr set size=%v chunks=%d", path, size, len(entry.Chunks))
 		if size < filer.FileSize(entry) {
 			// fmt.Printf("truncate %v \n", fullPath)
@@ -111,7 +112,7 @@ func (wfs *WFS) SetAttr(cancel <-chan struct{}, input *fuse.SetAttrIn, out *fuse
 	}

 	out.AttrValid = 1
-	wfs.setAttrByPbEntry(&out.Attr, input.NodeId, entry)
+	wfs.setAttrByPbEntry(&out.Attr, inode, entry)

 	if fh != nil {
 		fh.dirtyMetadata = true
@@ -138,9 +139,15 @@ func (wfs *WFS) setRootAttr(out *fuse.AttrOut) {

 func (wfs *WFS) setAttrByPbEntry(out *fuse.Attr, inode uint64, entry *filer_pb.Entry) {
 	out.Ino = inode
+	if entry.Attributes != nil && entry.Attributes.Inode != 0 {
+		out.Ino = entry.Attributes.Inode
+	}
 	out.Size = filer.FileSize(entry)
 	out.Blocks = (out.Size + blockSize - 1) / blockSize
 	setBlksize(out, blockSize)
+	if entry == nil {
+		return
+	}
 	out.Mtime = uint64(entry.Attributes.Mtime)
 	out.Ctime = uint64(entry.Attributes.Mtime)
 	out.Atime = uint64(entry.Attributes.Mtime)
@@ -58,7 +58,7 @@ func (wfs *WFS) Write(cancel <-chan struct{}, in *fuse.WriteIn, data []byte) (wr
 	entry.Attributes.FileSize = uint64(max(offset+int64(len(data)), int64(entry.Attributes.FileSize)))
 	// glog.V(4).Infof("%v write [%d,%d) %d", fh.f.fullpath(), req.Offset, req.Offset+int64(len(req.Data)), len(req.Data))

-	fh.dirtyPages.AddPage(offset, data, fh.dirtyPages.writerPattern.IsStreamingMode())
+	fh.dirtyPages.AddPage(offset, data, fh.dirtyPages.writerPattern.IsSequentialMode())

 	written = uint32(len(data))

@@ -7,7 +7,7 @@ import (

 func (wfs *WFS) AcquireHandle(inode uint64, uid, gid uint32) (fileHandle *FileHandle, status fuse.Status) {
 	var entry *filer_pb.Entry
-	_, _, entry, status = wfs.maybeReadEntry(inode)
+	_, _, entry, inode, status = wfs.maybeReadEntry(inode, true)
 	if status == fuse.OK {
 		// need to AcquireFileHandle again to ensure correct handle counter
 		fileHandle = wfs.fhmap.AcquireFileHandle(wfs, inode, entry)
@@ -102,9 +102,9 @@ func (wfs *WFS) Link(cancel <-chan struct{}, in *fuse.LinkIn, name string, out *
 		return fuse.EIO
 	}

-	inode := wfs.inodeToPath.Lookup(newEntryPath, oldEntry.Attributes.Crtime, oldEntry.IsDirectory, true, oldEntry.Attributes.Inode, true)
+	wfs.inodeToPath.AddPath(oldEntry.Attributes.Inode, newEntryPath)

-	wfs.outputPbEntry(out, inode, request.Entry)
+	wfs.outputPbEntry(out, oldEntry.Attributes.Inode, request.Entry)

 	return fuse.OK
 }
@@ -233,10 +233,17 @@ func (wfs *WFS) handleRenameResponse(ctx context.Context, resp *filer_pb.StreamR
 		oldPath := oldParent.Child(oldName)
 		newPath := newParent.Child(newName)

-		replacedInode := wfs.inodeToPath.MovePath(oldPath, newPath)
-		// invalidate attr and data
-		if replacedInode > 0 {
-			wfs.fuseServer.InodeNotify(replacedInode, 0, -1)
+		sourceInode, targetInode := wfs.inodeToPath.MovePath(oldPath, newPath)
+		if sourceInode != 0 {
+			if fh, foundFh := wfs.fhmap.FindFileHandle(sourceInode); foundFh && fh.entry != nil {
+				fh.entry.Name = newName
+			}
+			// invalidate attr and data
+			// wfs.fuseServer.InodeNotify(sourceInode, 0, -1)
+		}
+		if targetInode != 0 {
+			// invalidate attr and data
+			// wfs.fuseServer.InodeNotify(targetInode, 0, -1)
 		}

 	} else if resp.EventNotification.OldEntry != nil {
@@ -36,7 +36,7 @@ func (wfs *WFS) GetXAttr(cancel <-chan struct{}, header *fuse.InHeader, attr str
 		return 0, fuse.EINVAL
 	}

-	_, _, entry, status := wfs.maybeReadEntry(header.NodeId)
+	_, _, entry, _, status := wfs.maybeReadEntry(header.NodeId, true)
 	if status != fuse.OK {
 		return 0, status
 	}
@@ -102,10 +102,13 @@ func (wfs *WFS) SetXAttr(cancel <-chan struct{}, input *fuse.SetXAttrIn, attr st
 		}
 	}

-	path, fh, entry, status := wfs.maybeReadEntry(input.NodeId)
+	path, fh, entry, _, status := wfs.maybeReadEntry(input.NodeId, true)
 	if status != fuse.OK {
 		return status
 	}
+	if entry == nil {
+		return fuse.ENOENT
+	}
 	if fh != nil {
 		fh.entryLock.Lock()
 		defer fh.entryLock.Unlock()
@@ -140,7 +143,7 @@ func (wfs *WFS) ListXAttr(cancel <-chan struct{}, header *fuse.InHeader, dest []
 		return 0, fuse.Status(syscall.ENOTSUP)
 	}

-	_, _, entry, status := wfs.maybeReadEntry(header.NodeId)
+	_, _, entry, _, status := wfs.maybeReadEntry(header.NodeId, true)
 	if status != fuse.OK {
 		return 0, status
 	}
@@ -177,10 +180,13 @@ func (wfs *WFS) RemoveXAttr(cancel <-chan struct{}, header *fuse.InHeader, attr
 	if len(attr) == 0 {
 		return fuse.EINVAL
 	}
-	path, fh, entry, status := wfs.maybeReadEntry(header.NodeId)
+	path, fh, entry, _, status := wfs.maybeReadEntry(header.NodeId, true)
 	if status != fuse.OK {
 		return status
 	}
+	if entry == nil {
+		return fuse.OK
+	}
 	if fh != nil {
 		fh.entryLock.Lock()
 		defer fh.entryLock.Unlock()
@@ -60,7 +60,7 @@ func (wfs *WFS) mapPbIdFromLocalToFiler(entry *filer_pb.Entry) {
 }

 func checkName(name string) fuse.Status {
-	if len(name) >= 256 {
+	if len(name) >= 4096 {
 		return fuse.Status(syscall.ENAMETOOLONG)
 	}
 	return fuse.OK
@@ -346,6 +346,7 @@ message SubscribeMetadataRequest {
    repeated string path_prefixes = 6;
    int32 client_id = 7;
    int64 until_ns = 8;
+    int32 client_epoch = 9;
 }
 message SubscribeMetadataResponse {
    string directory = 1;
@@ -2803,6 +2803,7 @@ type SubscribeMetadataRequest struct {
 	PathPrefixes []string `protobuf:"bytes,6,rep,name=path_prefixes,json=pathPrefixes,proto3" json:"path_prefixes,omitempty"`
 	ClientId     int32    `protobuf:"varint,7,opt,name=client_id,json=clientId,proto3" json:"client_id,omitempty"`
 	UntilNs      int64    `protobuf:"varint,8,opt,name=until_ns,json=untilNs,proto3" json:"until_ns,omitempty"`
+	ClientEpoch  int32    `protobuf:"varint,9,opt,name=client_epoch,json=clientEpoch,proto3" json:"client_epoch,omitempty"`
 }

 func (x *SubscribeMetadataRequest) Reset() {
@@ -2886,6 +2887,13 @@ func (x *SubscribeMetadataRequest) GetUntilNs() int64 {
 	return 0
 }

+func (x *SubscribeMetadataRequest) GetClientEpoch() int32 {
+	if x != nil {
+		return x.ClientEpoch
+	}
+	return 0
+}
+
 type SubscribeMetadataResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -4147,7 +4155,7 @@ var file_filer_proto_rawDesc = []byte{
 	0x64, 0x18, 0x0c, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x63, 0x6c, 0x75, 0x73, 0x74, 0x65, 0x72,
 	0x49, 0x64, 0x12, 0x1f, 0x0a, 0x0b, 0x66, 0x69, 0x6c, 0x65, 0x72, 0x5f, 0x67, 0x72, 0x6f, 0x75,
 	0x70, 0x18, 0x0d, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a, 0x66, 0x69, 0x6c, 0x65, 0x72, 0x47, 0x72,
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 }

 var (
@@ -21,11 +21,12 @@ const (

 type ProcessMetadataFunc func(resp *filer_pb.SubscribeMetadataResponse) error

-func FollowMetadata(filerAddress ServerAddress, grpcDialOption grpc.DialOption, clientName string, clientId int32,
+func FollowMetadata(filerAddress ServerAddress, grpcDialOption grpc.DialOption, clientName string, clientId int32, clientEpoch int32,
 	pathPrefix string, additionalPathPrefixes []string, lastTsNs int64, untilTsNs int64, selfSignature int32,
 	processEventFn ProcessMetadataFunc, eventErrorType EventErrorType) error {

-	err := WithFilerClient(true, filerAddress, grpcDialOption, makeSubscribeMetadataFunc(clientName, clientId,
+	err := WithFilerClient(true, filerAddress, grpcDialOption, makeSubscribeMetadataFunc(
+		clientName, clientId, clientEpoch,
 		pathPrefix, additionalPathPrefixes, &lastTsNs, untilTsNs, selfSignature, processEventFn, eventErrorType))
 	if err != nil {
 		return fmt.Errorf("subscribing filer meta change: %v", err)
@@ -34,11 +35,10 @@ func FollowMetadata(filerAddress ServerAddress, grpcDialOption grpc.DialOption,
 }

 func WithFilerClientFollowMetadata(filerClient filer_pb.FilerClient,
-	clientName string, clientId int32, pathPrefix string, lastTsNs *int64, untilTsNs int64, selfSignature int32,
+	clientName string, clientId int32, clientEpoch int32, pathPrefix string, lastTsNs *int64, untilTsNs int64, selfSignature int32,
 	processEventFn ProcessMetadataFunc, eventErrorType EventErrorType) error {

-	err := filerClient.WithFilerClient(true, makeSubscribeMetadataFunc(clientName, clientId,
-		pathPrefix, nil, lastTsNs, untilTsNs, selfSignature, processEventFn, eventErrorType))
+	err := filerClient.WithFilerClient(true, makeSubscribeMetadataFunc(clientName, clientId, clientEpoch, pathPrefix, nil, lastTsNs, untilTsNs, selfSignature, processEventFn, eventErrorType))
 	if err != nil {
 		return fmt.Errorf("subscribing filer meta change: %v", err)
 	}
@@ -46,8 +46,7 @@ func WithFilerClientFollowMetadata(filerClient filer_pb.FilerClient,
 	return nil
 }

-func makeSubscribeMetadataFunc(clientName string, clientId int32, pathPrefix string, additionalPathPrefixes []string, lastTsNs *int64, untilTsNs int64, selfSignature int32,
-	processEventFn ProcessMetadataFunc, eventErrorType EventErrorType) func(client filer_pb.SeaweedFilerClient) error {
+func makeSubscribeMetadataFunc(clientName string, clientId int32, clientEpoch int32, pathPrefix string, additionalPathPrefixes []string, lastTsNs *int64, untilTsNs int64, selfSignature int32, processEventFn ProcessMetadataFunc, eventErrorType EventErrorType) func(client filer_pb.SeaweedFilerClient) error {
 	return func(client filer_pb.SeaweedFilerClient) error {
 		ctx, cancel := context.WithCancel(context.Background())
 		defer cancel()
@@ -58,6 +57,7 @@ func makeSubscribeMetadataFunc(clientName string, clientId int32, pathPrefix str
 			SinceNs:      *lastTsNs,
 			Signature:    selfSignature,
 			ClientId:     clientId,
+			ClientEpoch:  clientEpoch,
 			UntilNs:      untilTsNs,
 		})
 		if err != nil {
@@ -28,51 +28,47 @@ type RemoteConf struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields

-	Type                            string   `protobuf:"bytes,1,opt,name=type,proto3" json:"type,omitempty"`
-	Name                            string   `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
-	S3AccessKey                     string   `protobuf:"bytes,4,opt,name=s3_access_key,json=s3AccessKey,proto3" json:"s3_access_key,omitempty"`
-	S3SecretKey                     string   `protobuf:"bytes,5,opt,name=s3_secret_key,json=s3SecretKey,proto3" json:"s3_secret_key,omitempty"`
-	S3Region                        string   `protobuf:"bytes,6,opt,name=s3_region,json=s3Region,proto3" json:"s3_region,omitempty"`
-	S3Endpoint                      string   `protobuf:"bytes,7,opt,name=s3_endpoint,json=s3Endpoint,proto3" json:"s3_endpoint,omitempty"`
-	S3StorageClass                  string   `protobuf:"bytes,8,opt,name=s3_storage_class,json=s3StorageClass,proto3" json:"s3_storage_class,omitempty"`
-	S3ForcePathStyle                bool     `protobuf:"varint,9,opt,name=s3_force_path_style,json=s3ForcePathStyle,proto3" json:"s3_force_path_style,omitempty"`
-	S3V4Signature                   bool     `protobuf:"varint,11,opt,name=s3_v4_signature,json=s3V4Signature,proto3" json:"s3_v4_signature,omitempty"`
-	GcsGoogleApplicationCredentials string   `protobuf:"bytes,10,opt,name=gcs_google_application_credentials,json=gcsGoogleApplicationCredentials,proto3" json:"gcs_google_application_credentials,omitempty"`
-	GcsProjectId                    string   `protobuf:"bytes,12,opt,name=gcs_project_id,json=gcsProjectId,proto3" json:"gcs_project_id,omitempty"`
-	AzureAccountName                string   `protobuf:"bytes,15,opt,name=azure_account_name,json=azureAccountName,proto3" json:"azure_account_name,omitempty"`
-	AzureAccountKey                 string   `protobuf:"bytes,16,opt,name=azure_account_key,json=azureAccountKey,proto3" json:"azure_account_key,omitempty"`
-	BackblazeKeyId                  string   `protobuf:"bytes,20,opt,name=backblaze_key_id,json=backblazeKeyId,proto3" json:"backblaze_key_id,omitempty"`
-	BackblazeApplicationKey         string   `protobuf:"bytes,21,opt,name=backblaze_application_key,json=backblazeApplicationKey,proto3" json:"backblaze_application_key,omitempty"`
-	BackblazeEndpoint               string   `protobuf:"bytes,22,opt,name=backblaze_endpoint,json=backblazeEndpoint,proto3" json:"backblaze_endpoint,omitempty"`
-	AliyunAccessKey                 string   `protobuf:"bytes,25,opt,name=aliyun_access_key,json=aliyunAccessKey,proto3" json:"aliyun_access_key,omitempty"`
-	AliyunSecretKey                 string   `protobuf:"bytes,26,opt,name=aliyun_secret_key,json=aliyunSecretKey,proto3" json:"aliyun_secret_key,omitempty"`
-	AliyunEndpoint                  string   `protobuf:"bytes,27,opt,name=aliyun_endpoint,json=aliyunEndpoint,proto3" json:"aliyun_endpoint,omitempty"`
-	AliyunRegion                    string   `protobuf:"bytes,28,opt,name=aliyun_region,json=aliyunRegion,proto3" json:"aliyun_region,omitempty"`
-	TencentSecretId                 string   `protobuf:"bytes,30,opt,name=tencent_secret_id,json=tencentSecretId,proto3" json:"tencent_secret_id,omitempty"`
-	TencentSecretKey                string   `protobuf:"bytes,31,opt,name=tencent_secret_key,json=tencentSecretKey,proto3" json:"tencent_secret_key,omitempty"`
-	TencentEndpoint                 string   `protobuf:"bytes,32,opt,name=tencent_endpoint,json=tencentEndpoint,proto3" json:"tencent_endpoint,omitempty"`
-	BaiduAccessKey                  string   `protobuf:"bytes,35,opt,name=baidu_access_key,json=baiduAccessKey,proto3" json:"baidu_access_key,omitempty"`
-	BaiduSecretKey                  string   `protobuf:"bytes,36,opt,name=baidu_secret_key,json=baiduSecretKey,proto3" json:"baidu_secret_key,omitempty"`
-	BaiduEndpoint                   string   `protobuf:"bytes,37,opt,name=baidu_endpoint,json=baiduEndpoint,proto3" json:"baidu_endpoint,omitempty"`
-	BaiduRegion                     string   `protobuf:"bytes,38,opt,name=baidu_region,json=baiduRegion,proto3" json:"baidu_region,omitempty"`
-	WasabiAccessKey                 string   `protobuf:"bytes,40,opt,name=wasabi_access_key,json=wasabiAccessKey,proto3" json:"wasabi_access_key,omitempty"`
-	WasabiSecretKey                 string   `protobuf:"bytes,41,opt,name=wasabi_secret_key,json=wasabiSecretKey,proto3" json:"wasabi_secret_key,omitempty"`
-	WasabiEndpoint                  string   `protobuf:"bytes,42,opt,name=wasabi_endpoint,json=wasabiEndpoint,proto3" json:"wasabi_endpoint,omitempty"`
-	WasabiRegion                    string   `protobuf:"bytes,43,opt,name=wasabi_region,json=wasabiRegion,proto3" json:"wasabi_region,omitempty"`
-	HdfsNamenodes                   []string `protobuf:"bytes,50,rep,name=hdfs_namenodes,json=hdfsNamenodes,proto3" json:"hdfs_namenodes,omitempty"`
-	HdfsUsername                    string   `protobuf:"bytes,51,opt,name=hdfs_username,json=hdfsUsername,proto3" json:"hdfs_username,omitempty"`
-	HdfsServicePrincipalName        string   `protobuf:"bytes,52,opt,name=hdfs_service_principal_name,json=hdfsServicePrincipalName,proto3" json:"hdfs_service_principal_name,omitempty"`
-	HdfsDataTransferProtection      string   `protobuf:"bytes,53,opt,name=hdfs_data_transfer_protection,json=hdfsDataTransferProtection,proto3" json:"hdfs_data_transfer_protection,omitempty"`
-	FilebaseAccessKey               string   `protobuf:"bytes,60,opt,name=filebase_access_key,json=filebaseAccessKey,proto3" json:"filebase_access_key,omitempty"`
-	FilebaseSecretKey               string   `protobuf:"bytes,61,opt,name=filebase_secret_key,json=filebaseSecretKey,proto3" json:"filebase_secret_key,omitempty"`
-	FilebaseEndpoint                string   `protobuf:"bytes,62,opt,name=filebase_endpoint,json=filebaseEndpoint,proto3" json:"filebase_endpoint,omitempty"`
-	StorjAccessKey                  string   `protobuf:"bytes,65,opt,name=storj_access_key,json=storjAccessKey,proto3" json:"storj_access_key,omitempty"`
-	StorjSecretKey                  string   `protobuf:"bytes,66,opt,name=storj_secret_key,json=storjSecretKey,proto3" json:"storj_secret_key,omitempty"`
-	StorjEndpoint                   string   `protobuf:"bytes,67,opt,name=storj_endpoint,json=storjEndpoint,proto3" json:"storj_endpoint,omitempty"`
-	ContaboAccessKey                string   `protobuf:"bytes,68,opt,name=contabo_access_key,json=contaboAccessKey,proto3" json:"contabo_access_key,omitempty"`
-	ContaboSecretKey                string   `protobuf:"bytes,69,opt,name=contabo_secret_key,json=contaboSecretKey,proto3" json:"contabo_secret_key,omitempty"`
-	ContaboEndpoint                 string   `protobuf:"bytes,70,opt,name=contabo_endpoint,json=contaboEndpoint,proto3" json:"contabo_endpoint,omitempty"`
-	ContaboRegion                   string   `protobuf:"bytes,71,opt,name=contabo_region,json=contaboRegion,proto3" json:"contabo_region,omitempty"`
+	Type                            string `protobuf:"bytes,1,opt,name=type,proto3" json:"type,omitempty"`
+	Name                            string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
+	S3AccessKey                     string `protobuf:"bytes,4,opt,name=s3_access_key,json=s3AccessKey,proto3" json:"s3_access_key,omitempty"`
+	S3SecretKey                     string `protobuf:"bytes,5,opt,name=s3_secret_key,json=s3SecretKey,proto3" json:"s3_secret_key,omitempty"`
+	S3Region                        string `protobuf:"bytes,6,opt,name=s3_region,json=s3Region,proto3" json:"s3_region,omitempty"`
+	S3Endpoint                      string `protobuf:"bytes,7,opt,name=s3_endpoint,json=s3Endpoint,proto3" json:"s3_endpoint,omitempty"`
+	S3StorageClass                  string `protobuf:"bytes,8,opt,name=s3_storage_class,json=s3StorageClass,proto3" json:"s3_storage_class,omitempty"`
+	S3ForcePathStyle                bool   `protobuf:"varint,9,opt,name=s3_force_path_style,json=s3ForcePathStyle,proto3" json:"s3_force_path_style,omitempty"`
+	S3V4Signature                   bool   `protobuf:"varint,11,opt,name=s3_v4_signature,json=s3V4Signature,proto3" json:"s3_v4_signature,omitempty"`
+	GcsGoogleApplicationCredentials string `protobuf:"bytes,10,opt,name=gcs_google_application_credentials,json=gcsGoogleApplicationCredentials,proto3" json:"gcs_google_application_credentials,omitempty"`
+	GcsProjectId                    string `protobuf:"bytes,12,opt,name=gcs_project_id,json=gcsProjectId,proto3" json:"gcs_project_id,omitempty"`
+	AzureAccountName                string `protobuf:"bytes,15,opt,name=azure_account_name,json=azureAccountName,proto3" json:"azure_account_name,omitempty"`
+	AzureAccountKey                 string `protobuf:"bytes,16,opt,name=azure_account_key,json=azureAccountKey,proto3" json:"azure_account_key,omitempty"`
+	BackblazeKeyId                  string `protobuf:"bytes,20,opt,name=backblaze_key_id,json=backblazeKeyId,proto3" json:"backblaze_key_id,omitempty"`
+	BackblazeApplicationKey         string `protobuf:"bytes,21,opt,name=backblaze_application_key,json=backblazeApplicationKey,proto3" json:"backblaze_application_key,omitempty"`
+	BackblazeEndpoint               string `protobuf:"bytes,22,opt,name=backblaze_endpoint,json=backblazeEndpoint,proto3" json:"backblaze_endpoint,omitempty"`
+	AliyunAccessKey                 string `protobuf:"bytes,25,opt,name=aliyun_access_key,json=aliyunAccessKey,proto3" json:"aliyun_access_key,omitempty"`
+	AliyunSecretKey                 string `protobuf:"bytes,26,opt,name=aliyun_secret_key,json=aliyunSecretKey,proto3" json:"aliyun_secret_key,omitempty"`
+	AliyunEndpoint                  string `protobuf:"bytes,27,opt,name=aliyun_endpoint,json=aliyunEndpoint,proto3" json:"aliyun_endpoint,omitempty"`
+	AliyunRegion                    string `protobuf:"bytes,28,opt,name=aliyun_region,json=aliyunRegion,proto3" json:"aliyun_region,omitempty"`
+	TencentSecretId                 string `protobuf:"bytes,30,opt,name=tencent_secret_id,json=tencentSecretId,proto3" json:"tencent_secret_id,omitempty"`
+	TencentSecretKey                string `protobuf:"bytes,31,opt,name=tencent_secret_key,json=tencentSecretKey,proto3" json:"tencent_secret_key,omitempty"`
+	TencentEndpoint                 string `protobuf:"bytes,32,opt,name=tencent_endpoint,json=tencentEndpoint,proto3" json:"tencent_endpoint,omitempty"`
+	BaiduAccessKey                  string `protobuf:"bytes,35,opt,name=baidu_access_key,json=baiduAccessKey,proto3" json:"baidu_access_key,omitempty"`
+	BaiduSecretKey                  string `protobuf:"bytes,36,opt,name=baidu_secret_key,json=baiduSecretKey,proto3" json:"baidu_secret_key,omitempty"`
+	BaiduEndpoint                   string `protobuf:"bytes,37,opt,name=baidu_endpoint,json=baiduEndpoint,proto3" json:"baidu_endpoint,omitempty"`
+	BaiduRegion                     string `protobuf:"bytes,38,opt,name=baidu_region,json=baiduRegion,proto3" json:"baidu_region,omitempty"`
+	WasabiAccessKey                 string `protobuf:"bytes,40,opt,name=wasabi_access_key,json=wasabiAccessKey,proto3" json:"wasabi_access_key,omitempty"`
+	WasabiSecretKey                 string `protobuf:"bytes,41,opt,name=wasabi_secret_key,json=wasabiSecretKey,proto3" json:"wasabi_secret_key,omitempty"`
+	WasabiEndpoint                  string `protobuf:"bytes,42,opt,name=wasabi_endpoint,json=wasabiEndpoint,proto3" json:"wasabi_endpoint,omitempty"`
+	WasabiRegion                    string `protobuf:"bytes,43,opt,name=wasabi_region,json=wasabiRegion,proto3" json:"wasabi_region,omitempty"`
+	FilebaseAccessKey               string `protobuf:"bytes,60,opt,name=filebase_access_key,json=filebaseAccessKey,proto3" json:"filebase_access_key,omitempty"`
+	FilebaseSecretKey               string `protobuf:"bytes,61,opt,name=filebase_secret_key,json=filebaseSecretKey,proto3" json:"filebase_secret_key,omitempty"`
+	FilebaseEndpoint                string `protobuf:"bytes,62,opt,name=filebase_endpoint,json=filebaseEndpoint,proto3" json:"filebase_endpoint,omitempty"`
+	StorjAccessKey                  string `protobuf:"bytes,65,opt,name=storj_access_key,json=storjAccessKey,proto3" json:"storj_access_key,omitempty"`
+	StorjSecretKey                  string `protobuf:"bytes,66,opt,name=storj_secret_key,json=storjSecretKey,proto3" json:"storj_secret_key,omitempty"`
+	StorjEndpoint                   string `protobuf:"bytes,67,opt,name=storj_endpoint,json=storjEndpoint,proto3" json:"storj_endpoint,omitempty"`
+	ContaboAccessKey                string `protobuf:"bytes,68,opt,name=contabo_access_key,json=contaboAccessKey,proto3" json:"contabo_access_key,omitempty"`
+	ContaboSecretKey                string `protobuf:"bytes,69,opt,name=contabo_secret_key,json=contaboSecretKey,proto3" json:"contabo_secret_key,omitempty"`
+	ContaboEndpoint                 string `protobuf:"bytes,70,opt,name=contabo_endpoint,json=contaboEndpoint,proto3" json:"contabo_endpoint,omitempty"`
+	ContaboRegion                   string `protobuf:"bytes,71,opt,name=contabo_region,json=contaboRegion,proto3" json:"contabo_region,omitempty"`
 }

 func (x *RemoteConf) Reset() {
@@ -324,34 +320,6 @@ func (x *RemoteConf) GetWasabiRegion() string {
 	return ""
 }

-func (x *RemoteConf) GetHdfsNamenodes() []string {
-	if x != nil {
-		return x.HdfsNamenodes
-	}
-	return nil
-}
-
-func (x *RemoteConf) GetHdfsUsername() string {
-	if x != nil {
-		return x.HdfsUsername
-	}
-	return ""
-}
-
-func (x *RemoteConf) GetHdfsServicePrincipalName() string {
-	if x != nil {
-		return x.HdfsServicePrincipalName
-	}
-	return ""
-}
-
-func (x *RemoteConf) GetHdfsDataTransferProtection() string {
-	if x != nil {
-		return x.HdfsDataTransferProtection
-	}
-	return ""
-}
-
 func (x *RemoteConf) GetFilebaseAccessKey() string {
 	if x != nil {
 		return x.FilebaseAccessKey
@@ -544,7 +512,7 @@ var File_remote_proto protoreflect.FileDescriptor

 var file_remote_proto_rawDesc = []byte{
 	0x0a, 0x0c, 0x72, 0x65, 0x6d, 0x6f, 0x74, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x09,
-	0x72, 0x65, 0x6d, 0x6f, 0x74, 0x65, 0x5f, 0x70, 0x62, 0x22, 0x90, 0x0f, 0x0a, 0x0a, 0x52, 0x65,
+	0x72, 0x65, 0x6d, 0x6f, 0x74, 0x65, 0x5f, 0x70, 0x62, 0x22, 0xc2, 0x0d, 0x0a, 0x0a, 0x52, 0x65,
 	0x6d, 0x6f, 0x74, 0x65, 0x43, 0x6f, 0x6e, 0x66, 0x12, 0x12, 0x0a, 0x04, 0x74, 0x79, 0x70, 0x65,
 	0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x74, 0x79, 0x70, 0x65, 0x12, 0x12, 0x0a, 0x04,
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@@ -625,75 +593,62 @@ var file_remote_proto_rawDesc = []byte{
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+	0x74, 0x6f, 0x33,
 }

 var (
@@ -109,6 +109,11 @@ func (iam *IdentityAccessManagement) LoadS3ApiConfigurationFromBytes(content []b
 		glog.Warningf("unmarshal error: %v", err)
 		return fmt.Errorf("unmarshal error: %v", err)
 	}
+
+	if err := filer.CheckDuplicateAccessKey(s3ApiConfiguration); err != nil {
+		return err
+	}
+
 	if err := iam.loadS3ApiConfiguration(s3ApiConfiguration); err != nil {
 		return err
 	}
@@ -32,8 +32,10 @@ func (s3a *S3ApiServer) subscribeMetaEvents(clientName string, prefix string, la
 		return nil
 	}

+	var clientEpoch int32
 	util.RetryForever("followIamChanges", func() error {
-		return pb.WithFilerClientFollowMetadata(s3a, clientName, s3a.randomClientId, prefix, &lastTsNs, 0, 0, processEventFn, pb.FatalOnError)
+		clientEpoch++
+		return pb.WithFilerClientFollowMetadata(s3a, clientName, s3a.randomClientId, clientEpoch, prefix, &lastTsNs, 0, 0, processEventFn, pb.FatalOnError)
 	}, func(err error) bool {
 		glog.V(0).Infof("iam follow metadata changes: %v", err)
 		return true
@@ -445,9 +445,9 @@ func (s3a *S3ApiServer) putToFiler(r *http.Request, uploadUrl string, dataReader
 func setEtag(w http.ResponseWriter, etag string) {
 	if etag != "" {
 		if strings.HasPrefix(etag, "\"") {
-			w.Header().Set("ETag", etag)
+			w.Header()["ETag"] = []string{etag}
 		} else {
-			w.Header().Set("ETag", "\""+etag+"\"")
+			w.Header()["ETag"] = []string{"\"" + etag + "\""}
 		}
 	}
 }
@@ -24,11 +24,11 @@ func (fs *FilerServer) SubscribeMetadata(req *filer_pb.SubscribeMetadataRequest,

 	peerAddress := findClientAddress(stream.Context(), 0)

-	alreadyKnown, clientName := fs.addClient(req.ClientName, peerAddress, req.ClientId)
+	alreadyKnown, clientName := fs.addClient(req.ClientName, peerAddress, req.ClientId, req.ClientEpoch)
 	if alreadyKnown {
 		return fmt.Errorf("duplicated subscription detected for client %s id %d", clientName, req.ClientId)
 	}
-	defer fs.deleteClient(clientName, req.ClientId)
+	defer fs.deleteClient(clientName, req.ClientId, req.ClientEpoch)

 	lastReadTime := time.Unix(0, req.SinceNs)
 	glog.V(0).Infof(" %v starts to subscribe %s from %+v", clientName, req.PathPrefix, lastReadTime)
@@ -90,14 +90,20 @@ func (fs *FilerServer) SubscribeLocalMetadata(req *filer_pb.SubscribeMetadataReq

 	peerAddress := findClientAddress(stream.Context(), 0)

-	alreadyKnown, clientName := fs.addClient(req.ClientName, peerAddress, req.ClientId)
+	// use negative client id to differentiate from addClient()/deleteClient() used in SubscribeMetadata()
+	req.ClientId = -req.ClientId
+
+	alreadyKnown, clientName := fs.addClient(req.ClientName, peerAddress, req.ClientId, req.ClientEpoch)
 	if alreadyKnown {
-		return fmt.Errorf("duplicated local subscription detected for client %s id %d", clientName, req.ClientId)
+		return fmt.Errorf("duplicated local subscription detected for client %s clientId:%d", clientName, req.ClientId)
 	}
-	defer fs.deleteClient(clientName, req.ClientId)
+	defer func() {
+		glog.V(0).Infof(" - %v local subscribe %s clientId:%d", clientName, req.PathPrefix, req.ClientId)
+		fs.deleteClient(clientName, req.ClientId, req.ClientEpoch)
+	}()

 	lastReadTime := time.Unix(0, req.SinceNs)
-	glog.V(0).Infof(" %v local subscribe %s from %+v", clientName, req.PathPrefix, lastReadTime)
+	glog.V(0).Infof(" + %v local subscribe %s from %+v clientId:%d", clientName, req.PathPrefix, lastReadTime, req.ClientId)

 	eachEventNotificationFn := fs.eachEventNotificationFn(req, stream, clientName)

@@ -257,22 +263,30 @@ func hasPrefixIn(text string, prefixes []string) bool {
 	return false
 }

-func (fs *FilerServer) addClient(clientType string, clientAddress string, clientId int32) (alreadyKnown bool, clientName string) {
+func (fs *FilerServer) addClient(clientType string, clientAddress string, clientId int32, clientEpoch int32) (alreadyKnown bool, clientName string) {
 	clientName = clientType + "@" + clientAddress
 	glog.V(0).Infof("+ listener %v", clientName)
 	if clientId != 0 {
 		fs.knownListenersLock.Lock()
-		_, alreadyKnown = fs.knownListeners[clientId]
-		fs.knownListenersLock.Unlock()
+		defer fs.knownListenersLock.Unlock()
+		epoch, found := fs.knownListeners[clientId]
+		if !found || epoch < clientEpoch {
+			fs.knownListeners[clientId] = clientEpoch
+		} else {
+			alreadyKnown = true
+		}
 	}
 	return
 }

-func (fs *FilerServer) deleteClient(clientName string, clientId int32) {
+func (fs *FilerServer) deleteClient(clientName string, clientId int32, clientEpoch int32) {
 	glog.V(0).Infof("- listener %v", clientName)
 	if clientId != 0 {
 		fs.knownListenersLock.Lock()
-		delete(fs.knownListeners, clientId)
-		fs.knownListenersLock.Unlock()
+		defer fs.knownListenersLock.Unlock()
+		epoch, found := fs.knownListeners[clientId]
+		if found && epoch <= clientEpoch {
+			delete(fs.knownListeners, clientId)
+		}
 	}
 }
@@ -88,7 +88,7 @@ type FilerServer struct {

 	// track known metadata listeners
 	knownListenersLock sync.Mutex
-	knownListeners     map[int32]struct{}
+	knownListeners     map[int32]int32

 	brokers     map[string]map[string]bool
 	brokersLock sync.Mutex
@@ -111,7 +111,7 @@ func NewFilerServer(defaultMux, readonlyMux *http.ServeMux, option *FilerOption)
 	fs = &FilerServer{
 		option:                option,
 		grpcDialOption:        security.LoadClientTLS(util.GetViper(), "grpc.filer"),
-		knownListeners:        make(map[int32]struct{}),
+		knownListeners:        make(map[int32]int32),
 		brokers:               make(map[string]map[string]bool),
 		inFlightDataLimitCond: sync.NewCond(new(sync.Mutex)),
 	}
@@ -65,8 +65,8 @@ type MasterServer struct {

 	boundedLeaderChan chan int

-	onPeerUpdatDoneCn      chan string
-	onPeerUpdatDoneCnExist bool
+	onPeerUpdateDoneCn      chan string
+	onPeerUpdateDoneCnExist bool

 	// notifying clients
 	clientChansLock sync.RWMutex
@@ -118,7 +118,7 @@ func NewMasterServer(r *mux.Router, option *MasterOption, peers map[string]pb.Se
 		Cluster:         cluster.NewCluster(),
 	}
 	ms.boundedLeaderChan = make(chan int, 16)
-	ms.onPeerUpdatDoneCn = make(chan string)
+	ms.onPeerUpdateDoneCn = make(chan string)

 	ms.MasterClient.OnPeerUpdate = ms.OnPeerUpdate

@@ -366,14 +366,15 @@ func (ms *MasterServer) OnPeerUpdate(update *master_pb.ClusterNodeUpdate, startF
 					hashicorpRaft.ServerAddress(peerAddress.ToGrpcAddress()), 0, 0)
 			}
 		}
-		if ms.onPeerUpdatDoneCnExist {
-			ms.onPeerUpdatDoneCn <- peerName
+		if ms.onPeerUpdateDoneCnExist {
+			ms.onPeerUpdateDoneCn <- peerName
 		}
 	} else if isLeader {
 		go func(peerName string) {
+			raftServerRemovalTimeAfter := time.After(RaftServerRemovalTime)
 			for {
 				select {
-				case <-time.After(RaftServerRemovalTime):
+				case <-raftServerRemovalTimeAfter:
 					err := ms.MasterClient.WithClient(false, func(client master_pb.SeaweedClient) error {
 						_, err := client.RaftRemoveServer(context.Background(), &master_pb.RaftRemoveServerRequest{
 							Id:    peerName,
@@ -384,14 +385,16 @@ func (ms *MasterServer) OnPeerUpdate(update *master_pb.ClusterNodeUpdate, startF
 					if err != nil {
 						glog.Warningf("failed to removing old raft server %s: %v", peerName, err)
 					}
+					glog.V(0).Infof("old raft server %s removed", peerName)
 					return
-				case peerDone := <-ms.onPeerUpdatDoneCn:
+				case peerDone := <-ms.onPeerUpdateDoneCn:
 					if peerName == peerDone {
+						glog.V(0).Infof("raft server %s remove canceled", peerName)
 						return
 					}
 				}
 			}
 		}(peerName)
-		ms.onPeerUpdatDoneCnExist = true
+		ms.onPeerUpdateDoneCnExist = true
 	}
 }
@@ -48,7 +48,7 @@ func (ms *MasterServer) collectionDeleteHandler(w http.ResponseWriter, r *http.R
 func (ms *MasterServer) dirStatusHandler(w http.ResponseWriter, r *http.Request) {
 	m := make(map[string]interface{})
 	m["Version"] = util.Version()
-	m["Topology"] = ms.Topo.ToMap()
+	m["Topology"] = ms.Topo.ToInfo()
 	writeJsonQuiet(w, r, http.StatusOK, m)
 }

@@ -26,7 +26,7 @@ func (ms *MasterServer) uiStatusHandler(w http.ResponseWriter, r *http.Request)
 			VolumeSizeLimitMB uint32
 		}{
 			util.Version(),
-			ms.Topo.ToMap(),
+			ms.Topo.ToInfo(),
 			ms.Topo.RaftServer,
 			infos,
 			serverStats,
@@ -43,7 +43,7 @@ func (ms *MasterServer) uiStatusHandler(w http.ResponseWriter, r *http.Request)
 			VolumeSizeLimitMB uint32
 		}{
 			util.Version(),
-			ms.Topo.ToMap(),
+			ms.Topo.ToInfo(),
 			ms.Topo.HashicorpRaft,
 			infos,
 			serverStats,
@@ -4,11 +4,12 @@ import (
 	"bytes"
 	"flag"
 	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/filer"
 	"io"
 	"sort"
 	"strings"

+	"github.com/chrislusf/seaweedfs/weed/filer"
+
 	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
 	"github.com/chrislusf/seaweedfs/weed/pb/iam_pb"
 )
@@ -164,6 +165,10 @@ func (c *commandS3Configure) Do(args []string, commandEnv *CommandEnv, writer io
 		s3cfg.Identities = append(s3cfg.Identities, &identity)
 	}

+	if err = filer.CheckDuplicateAccessKey(s3cfg); err != nil {
+		return err
+	}
+
 	buf.Reset()
 	filer.ProtoToText(&buf, s3cfg)

@@ -68,45 +68,39 @@ func (c *commandVolumeConfigureReplication) Do(args []string, commandEnv *Comman
 	volumeFilter := getVolumeFilter(replicaPlacement, uint32(vid), *collectionPattern)

 	// find all data nodes with volumes that needs replication change
-	var allLocations []location
 	eachDataNode(topologyInfo, func(dc string, rack RackId, dn *master_pb.DataNodeInfo) {
-		loc := newLocation(dc, string(rack), dn)
+		var targetVolumeIds []uint32
 		for _, diskInfo := range dn.DiskInfos {
 			for _, v := range diskInfo.VolumeInfos {
 				if volumeFilter(v) {
-					allLocations = append(allLocations, loc)
-					continue
+					targetVolumeIds = append(targetVolumeIds, v.Id)
 				}
 			}
 		}
-	})
-
-	if len(allLocations) == 0 {
-		return fmt.Errorf("no volume needs change")
-	}
-
-	for _, dst := range allLocations {
-		err := operation.WithVolumeServerClient(false, pb.NewServerAddressFromDataNode(dst.dataNode), commandEnv.option.GrpcDialOption, func(volumeServerClient volume_server_pb.VolumeServerClient) error {
-			resp, configureErr := volumeServerClient.VolumeConfigure(context.Background(), &volume_server_pb.VolumeConfigureRequest{
-				VolumeId:    uint32(vid),
-				Replication: replicaPlacement.String(),
-			})
-			if configureErr != nil {
-				return configureErr
-			}
-			if resp.Error != "" {
-				return errors.New(resp.Error)
+		if len(targetVolumeIds) == 0 {
+			return
+		}
+		err = operation.WithVolumeServerClient(false, pb.NewServerAddressFromDataNode(dn), commandEnv.option.GrpcDialOption, func(volumeServerClient volume_server_pb.VolumeServerClient) error {
+			for _, targetVolumeId := range targetVolumeIds {
+				resp, configureErr := volumeServerClient.VolumeConfigure(context.Background(), &volume_server_pb.VolumeConfigureRequest{
+					VolumeId:    targetVolumeId,
+					Replication: replicaPlacement.String(),
+				})
+				if configureErr != nil {
+					return configureErr
+				}
+				if resp.Error != "" {
+					return errors.New(resp.Error)
+				}
 			}
 			return nil
 		})
-
 		if err != nil {
-			return err
+			return
 		}
+	})

-	}
-
-	return nil
+	return err
 }

 func getVolumeFilter(replicaPlacement *super_block.ReplicaPlacement, volumeId uint32, collectionPattern string) func(message *master_pb.VolumeInformationMessage) bool {
@@ -18,7 +18,9 @@ func init() {
 }

 type commandVolumeServerEvacuate struct {
+	topologyInfo *master_pb.TopologyInfo
 	targetServer string
+	volumeRack   string
 }

 func (c *commandVolumeServerEvacuate) Name() string {
@@ -47,7 +49,8 @@ func (c *commandVolumeServerEvacuate) Do(args []string, commandEnv *CommandEnv,

 	vsEvacuateCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
 	volumeServer := vsEvacuateCommand.String("node", "", "<host>:<port> of the volume server")
-	c.targetServer = *vsEvacuateCommand.String("target", "", "<host>:<port> of target volume")
+	volumeRack := vsEvacuateCommand.String("rack", "", "source rack for the volume servers")
+	targetServer := vsEvacuateCommand.String("target", "", "<host>:<port> of target volume")
 	skipNonMoveable := vsEvacuateCommand.Bool("skipNonMoveable", false, "skip volumes that can not be moved")
 	applyChange := vsEvacuateCommand.Bool("force", false, "actually apply the changes")
 	retryCount := vsEvacuateCommand.Int("retry", 0, "how many times to retry")
@@ -56,12 +59,18 @@ func (c *commandVolumeServerEvacuate) Do(args []string, commandEnv *CommandEnv,
 	}
 	infoAboutSimulationMode(writer, *applyChange, "-force")

-	if err = commandEnv.confirmIsLocked(args); err != nil {
+	if err = commandEnv.confirmIsLocked(args); err != nil && *applyChange {
 		return
 	}

-	if *volumeServer == "" {
-		return fmt.Errorf("need to specify volume server by -node=<host>:<port>")
+	if *volumeServer == "" && *volumeRack == "" {
+		return fmt.Errorf("need to specify volume server by -node=<host>:<port> or source rack")
+	}
+	if *targetServer != "" {
+		c.targetServer = *targetServer
+	}
+	if *volumeRack != "" {
+		c.volumeRack = *volumeRack
 	}
 	for i := 0; i < *retryCount+1; i++ {
 		if err = c.volumeServerEvacuate(commandEnv, *volumeServer, *skipNonMoveable, *applyChange, writer); err == nil {
@@ -80,44 +89,59 @@ func (c *commandVolumeServerEvacuate) volumeServerEvacuate(commandEnv *CommandEn

 	// list all the volumes
 	// collect topology information
-	topologyInfo, _, err := collectTopologyInfo(commandEnv, 0)
+	c.topologyInfo, _, err = collectTopologyInfo(commandEnv, 0)
 	if err != nil {
 		return err
 	}

-	if err := c.evacuateNormalVolumes(commandEnv, topologyInfo, volumeServer, skipNonMoveable, applyChange, writer); err != nil {
+	if err := c.evacuateNormalVolumes(commandEnv, volumeServer, skipNonMoveable, applyChange, writer); err != nil {
 		return err
 	}

-	if err := c.evacuateEcVolumes(commandEnv, topologyInfo, volumeServer, skipNonMoveable, applyChange, writer); err != nil {
+	if err := c.evacuateEcVolumes(commandEnv, volumeServer, skipNonMoveable, applyChange, writer); err != nil {
 		return err
 	}

 	return nil
 }

-func (c *commandVolumeServerEvacuate) evacuateNormalVolumes(commandEnv *CommandEnv, topologyInfo *master_pb.TopologyInfo, volumeServer string, skipNonMoveable, applyChange bool, writer io.Writer) error {
+func (c *commandVolumeServerEvacuate) evacuateNormalVolumes(commandEnv *CommandEnv, volumeServer string, skipNonMoveable, applyChange bool, writer io.Writer) error {
 	// find this volume server
-	volumeServers := collectVolumeServersByDc(topologyInfo, "")
-	thisNode, otherNodes := nodesOtherThan(volumeServers, volumeServer)
-	if thisNode == nil {
+	volumeServers := collectVolumeServersByDc(c.topologyInfo, "")
+	thisNodes, otherNodes := c.nodesOtherThan(volumeServers, volumeServer)
+	if len(thisNodes) == 0 {
 		return fmt.Errorf("%s is not found in this cluster", volumeServer)
 	}

 	// move away normal volumes
-	volumeReplicas, _ := collectVolumeReplicaLocations(topologyInfo)
-	for _, diskInfo := range thisNode.info.DiskInfos {
-		for _, vol := range diskInfo.VolumeInfos {
-			hasMoved, err := moveAwayOneNormalVolume(commandEnv, volumeReplicas, vol, thisNode, otherNodes, applyChange)
-			if err != nil {
-				return fmt.Errorf("move away volume %d from %s: %v", vol.Id, volumeServer, err)
-			}
-			if !hasMoved {
-				if skipNonMoveable {
-					replicaPlacement, _ := super_block.NewReplicaPlacementFromByte(byte(vol.ReplicaPlacement))
-					fmt.Fprintf(writer, "skipping non moveable volume %d replication:%s\n", vol.Id, replicaPlacement.String())
+	for _, thisNode := range thisNodes {
+		for _, diskInfo := range thisNode.info.DiskInfos {
+			if applyChange {
+				if topologyInfo, _, err := collectTopologyInfo(commandEnv, 0); err != nil {
+					fmt.Fprintf(writer, "update topologyInfo %v", err)
 				} else {
-					return fmt.Errorf("failed to move volume %d from %s", vol.Id, volumeServer)
+					_, otherNodesNew := c.nodesOtherThan(
+						collectVolumeServersByDc(topologyInfo, ""), volumeServer)
+					if len(otherNodesNew) > 0 {
+						otherNodes = otherNodesNew
+						c.topologyInfo = topologyInfo
+						fmt.Fprintf(writer, "topologyInfo updated %v\n", len(otherNodes))
+					}
+				}
+			}
+			volumeReplicas, _ := collectVolumeReplicaLocations(c.topologyInfo)
+			for _, vol := range diskInfo.VolumeInfos {
+				hasMoved, err := moveAwayOneNormalVolume(commandEnv, volumeReplicas, vol, thisNode, otherNodes, applyChange)
+				if err != nil {
+					fmt.Fprintf(writer, "move away volume %d from %s: %v", vol.Id, volumeServer, err)
+				}
+				if !hasMoved {
+					if skipNonMoveable {
+						replicaPlacement, _ := super_block.NewReplicaPlacementFromByte(byte(vol.ReplicaPlacement))
+						fmt.Fprintf(writer, "skipping non moveable volume %d replication:%s\n", vol.Id, replicaPlacement.String())
+					} else {
+						return fmt.Errorf("failed to move volume %d from %s", vol.Id, volumeServer)
+					}
 				}
 			}
 		}
@@ -125,26 +149,28 @@ func (c *commandVolumeServerEvacuate) evacuateNormalVolumes(commandEnv *CommandE
 	return nil
 }

-func (c *commandVolumeServerEvacuate) evacuateEcVolumes(commandEnv *CommandEnv, topologyInfo *master_pb.TopologyInfo, volumeServer string, skipNonMoveable, applyChange bool, writer io.Writer) error {
+func (c *commandVolumeServerEvacuate) evacuateEcVolumes(commandEnv *CommandEnv, volumeServer string, skipNonMoveable, applyChange bool, writer io.Writer) error {
 	// find this ec volume server
-	ecNodes, _ := collectEcVolumeServersByDc(topologyInfo, "")
-	thisNode, otherNodes := ecNodesOtherThan(ecNodes, volumeServer)
-	if thisNode == nil {
+	ecNodes, _ := collectEcVolumeServersByDc(c.topologyInfo, "")
+	thisNodes, otherNodes := c.ecNodesOtherThan(ecNodes, volumeServer)
+	if len(thisNodes) == 0 {
 		return fmt.Errorf("%s is not found in this cluster\n", volumeServer)
 	}

 	// move away ec volumes
-	for _, diskInfo := range thisNode.info.DiskInfos {
-		for _, ecShardInfo := range diskInfo.EcShardInfos {
-			hasMoved, err := c.moveAwayOneEcVolume(commandEnv, ecShardInfo, thisNode, otherNodes, applyChange)
-			if err != nil {
-				return fmt.Errorf("move away volume %d from %s: %v", ecShardInfo.Id, volumeServer, err)
-			}
-			if !hasMoved {
-				if skipNonMoveable {
-					fmt.Fprintf(writer, "failed to move away ec volume %d from %s\n", ecShardInfo.Id, volumeServer)
-				} else {
-					return fmt.Errorf("failed to move away ec volume %d from %s", ecShardInfo.Id, volumeServer)
+	for _, thisNode := range thisNodes {
+		for _, diskInfo := range thisNode.info.DiskInfos {
+			for _, ecShardInfo := range diskInfo.EcShardInfos {
+				hasMoved, err := c.moveAwayOneEcVolume(commandEnv, ecShardInfo, thisNode, otherNodes, applyChange)
+				if err != nil {
+					fmt.Fprintf(writer, "move away volume %d from %s: %v", ecShardInfo.Id, volumeServer, err)
+				}
+				if !hasMoved {
+					if skipNonMoveable {
+						fmt.Fprintf(writer, "failed to move away ec volume %d from %s\n", ecShardInfo.Id, volumeServer)
+					} else {
+						return fmt.Errorf("failed to move away ec volume %d from %s", ecShardInfo.Id, volumeServer)
+					}
 				}
 			}
 		}
@@ -160,9 +186,6 @@ func (c *commandVolumeServerEvacuate) moveAwayOneEcVolume(commandEnv *CommandEnv
 		})
 		for i := 0; i < len(otherNodes); i++ {
 			emptyNode := otherNodes[i]
-			if c.targetServer != "" && c.targetServer != emptyNode.info.Id {
-				continue
-			}
 			collectionPrefix := ""
 			if ecShardInfo.Collection != "" {
 				collectionPrefix = ecShardInfo.Collection + "_"
@@ -207,10 +230,16 @@ func moveAwayOneNormalVolume(commandEnv *CommandEnv, volumeReplicas map[uint32][
 	return
 }

-func nodesOtherThan(volumeServers []*Node, thisServer string) (thisNode *Node, otherNodes []*Node) {
+func (c *commandVolumeServerEvacuate) nodesOtherThan(volumeServers []*Node, thisServer string) (thisNodes []*Node, otherNodes []*Node) {
 	for _, node := range volumeServers {
-		if node.info.Id == thisServer {
-			thisNode = node
+		if node.info.Id == thisServer || (c.volumeRack != "" && node.rack == c.volumeRack) {
+			thisNodes = append(thisNodes, node)
+			continue
+		}
+		if c.volumeRack != "" && c.volumeRack == node.rack {
+			continue
+		}
+		if c.targetServer != "" && c.targetServer != node.info.Id {
 			continue
 		}
 		otherNodes = append(otherNodes, node)
@@ -218,10 +247,16 @@ func nodesOtherThan(volumeServers []*Node, thisServer string) (thisNode *Node, o
 	return
 }

-func ecNodesOtherThan(volumeServers []*EcNode, thisServer string) (thisNode *EcNode, otherNodes []*EcNode) {
+func (c *commandVolumeServerEvacuate) ecNodesOtherThan(volumeServers []*EcNode, thisServer string) (thisNodes []*EcNode, otherNodes []*EcNode) {
 	for _, node := range volumeServers {
-		if node.info.Id == thisServer {
-			thisNode = node
+		if node.info.Id == thisServer || (c.volumeRack != "" && string(node.rack) == c.volumeRack) {
+			thisNodes = append(thisNodes, node)
+			continue
+		}
+		if c.volumeRack != "" && c.volumeRack == string(node.rack) {
+			continue
+		}
+		if c.targetServer != "" && c.targetServer != node.info.Id {
 			continue
 		}
 		otherNodes = append(otherNodes, node)
@@ -6,12 +6,11 @@ import (
 )

 func TestVolumeServerEvacuate(t *testing.T) {
-	topologyInfo := parseOutput(topoData)
+	c := commandVolumeServerEvacuate{}
+	c.topologyInfo = parseOutput(topoData)

 	volumeServer := "192.168.1.4:8080"
-
-	c := commandVolumeServerEvacuate{}
-	if err := c.evacuateNormalVolumes(nil, topologyInfo, volumeServer, true, false, os.Stdout); err != nil {
+	if err := c.evacuateNormalVolumes(nil, volumeServer, true, false, os.Stdout); err != nil {
 		t.Errorf("evacuate: %v", err)
 	}

@@ -4,6 +4,8 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"runtime"
+	"strconv"
 	"strings"
 	"sync"
 	"time"
@@ -206,7 +208,21 @@ func (l *DiskLocation) concurrentLoadingVolumes(needleMapKind NeedleMapKind, con

 func (l *DiskLocation) loadExistingVolumes(needleMapKind NeedleMapKind) {

-	l.concurrentLoadingVolumes(needleMapKind, 10)
+	workerNum := runtime.NumCPU()
+	val, ok := os.LookupEnv("GOMAXPROCS")
+	if ok {
+		num, err := strconv.Atoi(val)
+		if err != nil || num < 1 {
+			num = 10
+			glog.Warningf("failed to set worker number from GOMAXPROCS , set to default:10")
+		}
+		workerNum = num
+	} else {
+		if workerNum <= 10 {
+			workerNum = 10
+		}
+	}
+	l.concurrentLoadingVolumes(needleMapKind, workerNum)
 	glog.V(0).Infof("Store started on dir: %s with %d volumes max %d", l.Directory, len(l.volumes), l.MaxVolumeCount)

 	l.loadAllEcShards()
@@ -294,7 +294,7 @@ func readNeedleMap(baseFileName string) (*needle_map.MemDb, error) {
 	defer indexFile.Close()

 	cm := needle_map.NewMemDb()
-	err = idx.WalkIndexFile(indexFile, func(key types.NeedleId, offset types.Offset, size types.Size) error {
+	err = idx.WalkIndexFile(indexFile, 0, func(key types.NeedleId, offset types.Offset, size types.Size) error {
 		if !offset.IsZero() && size != types.TombstoneFileSize {
 			cm.Set(key, offset, size)
 		} else {
@@ -9,8 +9,8 @@ import (

 // walks through the index file, calls fn function with each key, offset, size
 // stops with the error returned by the fn function
-func WalkIndexFile(r io.ReaderAt, fn func(key types.NeedleId, offset types.Offset, size types.Size) error) error {
-	var readerOffset int64
+func WalkIndexFile(r io.ReaderAt, startFrom uint64, fn func(key types.NeedleId, offset types.Offset, size types.Size) error) error {
+	readerOffset := int64(startFrom * types.NeedleMapEntrySize)
 	bytes := make([]byte, types.NeedleMapEntrySize*RowsToRead)
 	count, e := r.ReadAt(bytes, readerOffset)
 	if count == 0 && e == io.EOF {
@@ -111,7 +111,7 @@ func (cm *MemDb) LoadFromIdx(idxName string) (ret error) {

 func (cm *MemDb) LoadFromReaderAt(readerAt io.ReaderAt) (ret error) {

-	return idx.WalkIndexFile(readerAt, func(key NeedleId, offset Offset, size Size) error {
+	return idx.WalkIndexFile(readerAt, 0, func(key NeedleId, offset Offset, size Size) error {
 		if offset.IsZero() || size.IsDeleted() {
 			return cm.Delete(key)
 		}
@@ -9,6 +9,8 @@ import (
 	"github.com/syndtr/goleveldb/leveldb/opt"

 	"github.com/chrislusf/seaweedfs/weed/storage/idx"
+	"github.com/chrislusf/seaweedfs/weed/storage/types"
+	"github.com/chrislusf/seaweedfs/weed/util"

 	"github.com/syndtr/goleveldb/leveldb"

@@ -17,10 +19,16 @@ import (
 	. "github.com/chrislusf/seaweedfs/weed/storage/types"
 )

+//mark it every watermarkBatchSize operations
+const watermarkBatchSize = 10000
+
+var watermarkKey = []byte("idx_entry_watermark")
+
 type LevelDbNeedleMap struct {
 	baseNeedleMapper
-	dbFileName string
-	db         *leveldb.DB
+	dbFileName  string
+	db          *leveldb.DB
+	recordCount uint64
 }

 func NewLevelDbNeedleMap(dbFileName string, indexFile *os.File, opts *opt.Options) (m *LevelDbNeedleMap, err error) {
@@ -46,7 +54,14 @@ func NewLevelDbNeedleMap(dbFileName string, indexFile *os.File, opts *opt.Option
 			return
 		}
 	}
-	glog.V(1).Infof("Loading %s...", indexFile.Name())
+	glog.V(0).Infof("Loading %s... , watermark: %d", dbFileName, getWatermark(m.db))
+	m.recordCount = uint64(m.indexFileOffset / types.NeedleMapEntrySize)
+	watermark := (m.recordCount / watermarkBatchSize) * watermarkBatchSize
+	err = setWatermark(m.db, watermark)
+	if err != nil {
+		glog.Fatalf("set watermark for %s error: %s\n", dbFileName, err)
+		return
+	}
 	mm, indexLoadError := newNeedleMapMetricFromIndexFile(indexFile)
 	if indexLoadError != nil {
 		return nil, indexLoadError
@@ -78,9 +93,20 @@ func generateLevelDbFile(dbFileName string, indexFile *os.File) error {
 		return err
 	}
 	defer db.Close()
-	return idx.WalkIndexFile(indexFile, func(key NeedleId, offset Offset, size Size) error {
+
+	watermark := getWatermark(db)
+	if stat, err := indexFile.Stat(); err != nil {
+		glog.Fatalf("stat file %s: %v", indexFile.Name(), err)
+		return err
+	} else {
+		if watermark*types.NeedleMapEntrySize > uint64(stat.Size()) {
+			glog.Warningf("wrong watermark %d for filesize %d", watermark, stat.Size())
+		}
+		glog.V(0).Infof("generateLevelDbFile %s, watermark %d, num of entries:%d", dbFileName, watermark, (uint64(stat.Size())-watermark*types.NeedleMapEntrySize)/types.NeedleMapEntrySize)
+	}
+	return idx.WalkIndexFile(indexFile, watermark, func(key NeedleId, offset Offset, size Size) error {
 		if !offset.IsZero() && size.IsValid() {
-			levelDbWrite(db, key, offset, size)
+			levelDbWrite(db, key, offset, size, false, 0)
 		} else {
 			levelDbDelete(db, key)
 		}
@@ -102,6 +128,7 @@ func (m *LevelDbNeedleMap) Get(key NeedleId) (element *needle_map.NeedleValue, o

 func (m *LevelDbNeedleMap) Put(key NeedleId, offset Offset, size Size) error {
 	var oldSize Size
+	var watermark uint64
 	if oldNeedle, ok := m.Get(key); ok {
 		oldSize = oldNeedle.Size
 	}
@@ -110,16 +137,54 @@ func (m *LevelDbNeedleMap) Put(key NeedleId, offset Offset, size Size) error {
 	if err := m.appendToIndexFile(key, offset, size); err != nil {
 		return fmt.Errorf("cannot write to indexfile %s: %v", m.indexFile.Name(), err)
 	}
-	return levelDbWrite(m.db, key, offset, size)
+	m.recordCount++
+	if m.recordCount%watermarkBatchSize != 0 {
+		watermark = 0
+	} else {
+		watermark = (m.recordCount / watermarkBatchSize) * watermarkBatchSize
+		glog.V(1).Infof("put cnt:%d for %s,watermark: %d", m.recordCount, m.dbFileName, watermark)
+	}
+	return levelDbWrite(m.db, key, offset, size, watermark == 0, watermark)
 }

-func levelDbWrite(db *leveldb.DB, key NeedleId, offset Offset, size Size) error {
+func getWatermark(db *leveldb.DB) uint64 {
+	data, err := db.Get(watermarkKey, nil)
+	if err != nil || len(data) != 8 {
+		glog.Warningf("get watermark from db error: %v, %d", err, len(data))
+		/*
+			if !strings.Contains(strings.ToLower(err.Error()), "not found") {
+				err = setWatermark(db, 0)
+				if err != nil {
+					glog.Errorf("failed to set watermark: %v", err)
+				}
+			}
+		*/
+		return 0
+	}
+	return util.BytesToUint64(data)
+}
+
+func setWatermark(db *leveldb.DB, watermark uint64) error {
+	glog.V(1).Infof("set watermark %d", watermark)
+	var wmBytes = make([]byte, 8)
+	util.Uint64toBytes(wmBytes, watermark)
+	if err := db.Put(watermarkKey, wmBytes, nil); err != nil {
+		return fmt.Errorf("failed to setWatermark: %v", err)
+	}
+	return nil
+}
+
+func levelDbWrite(db *leveldb.DB, key NeedleId, offset Offset, size Size, updateWatermark bool, watermark uint64) error {

 	bytes := needle_map.ToBytes(key, offset, size)

 	if err := db.Put(bytes[0:NeedleIdSize], bytes[NeedleIdSize:NeedleIdSize+OffsetSize+SizeSize], nil); err != nil {
 		return fmt.Errorf("failed to write leveldb: %v", err)
 	}
+	// set watermark
+	if updateWatermark {
+		return setWatermark(db, watermark)
+	}
 	return nil
 }
 func levelDbDelete(db *leveldb.DB, key NeedleId) error {
@@ -129,6 +194,7 @@ func levelDbDelete(db *leveldb.DB, key NeedleId) error {
 }

 func (m *LevelDbNeedleMap) Delete(key NeedleId, offset Offset) error {
+	var watermark uint64
 	oldNeedle, found := m.Get(key)
 	if !found || oldNeedle.Size.IsDeleted() {
 		return nil
@@ -139,8 +205,13 @@ func (m *LevelDbNeedleMap) Delete(key NeedleId, offset Offset) error {
 	if err := m.appendToIndexFile(key, offset, TombstoneFileSize); err != nil {
 		return err
 	}
-
-	return levelDbWrite(m.db, key, oldNeedle.Offset, -oldNeedle.Size)
+	m.recordCount++
+	if m.recordCount%watermarkBatchSize != 0 {
+		watermark = 0
+	} else {
+		watermark = (m.recordCount / watermarkBatchSize) * watermarkBatchSize
+	}
+	return levelDbWrite(m.db, key, oldNeedle.Offset, -oldNeedle.Size, watermark == 0, watermark)
 }

 func (m *LevelDbNeedleMap) Close() {
@@ -33,7 +33,7 @@ func LoadCompactNeedleMap(file *os.File) (*NeedleMap, error) {
 }

 func doLoading(file *os.File, nm *NeedleMap) (*NeedleMap, error) {
-	e := idx.WalkIndexFile(file, func(key NeedleId, offset Offset, size Size) error {
+	e := idx.WalkIndexFile(file, 0, func(key NeedleId, offset Offset, size Size) error {
 		nm.MaybeSetMaxFileKey(key)
 		if !offset.IsZero() && size.IsValid() {
 			nm.FileCounter++
@@ -297,7 +297,7 @@ func (v *Volume) makeupDiff(newDatFileName, newIdxFileName, oldDatFileName, oldI
 			}
 			util.Uint32toBytes(idxEntryBytes[8:12], uint32(offset/NeedlePaddingSize))
 		} else { //deleted needle
-			//fakeDelNeedle 's default Data field is nil
+			//fakeDelNeedle's default Data field is nil
 			fakeDelNeedle := new(needle.Needle)
 			fakeDelNeedle.Id = key
 			fakeDelNeedle.Cookie = 0x12345678
@@ -2,6 +2,7 @@ package topology

 import (
 	"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
+	"golang.org/x/exp/slices"
 )

 type DataCenter struct {
@@ -30,16 +31,24 @@ func (dc *DataCenter) GetOrCreateRack(rackName string) *Rack {
 	return rack
 }

-func (dc *DataCenter) ToMap() interface{} {
-	m := make(map[string]interface{})
-	m["Id"] = dc.Id()
-	var racks []interface{}
+type DataCenterInfo struct {
+	Id    NodeId     `json:"Id"`
+	Racks []RackInfo `json:"Racks"`
+}
+
+func (dc *DataCenter) ToInfo() (info DataCenterInfo) {
+	info.Id = dc.Id()
+	var racks []RackInfo
 	for _, c := range dc.Children() {
 		rack := c.(*Rack)
-		racks = append(racks, rack.ToMap())
+		racks = append(racks, rack.ToInfo())
 	}
-	m["Racks"] = racks
-	return m
+
+	slices.SortFunc(racks, func(a, b RackInfo) bool {
+		return a.Id < b.Id
+	})
+	info.Racks = racks
+	return
 }

 func (dc *DataCenter) ToDataCenterInfo() *master_pb.DataCenterInfo {
@@ -217,10 +217,18 @@ func (dn *DataNode) ServerAddress() pb.ServerAddress {
 	return pb.NewServerAddress(dn.Ip, dn.Port, dn.GrpcPort)
 }

-func (dn *DataNode) ToMap() interface{} {
-	ret := make(map[string]interface{})
-	ret["Url"] = dn.Url()
-	ret["PublicUrl"] = dn.PublicUrl
+type DataNodeInfo struct {
+	Url       string `json:"Url"`
+	PublicUrl string `json:"PublicUrl"`
+	Volumes   int64  `json:"Volumes"`
+	EcShards  int64  `json:"EcShards"`
+	Max       int64  `json:"Max"`
+	VolumeIds string `json:"VolumeIds"`
+}
+
+func (dn *DataNode) ToInfo() (info DataNodeInfo) {
+	info.Url = dn.Url()
+	info.PublicUrl = dn.PublicUrl

 	// aggregated volume info
 	var volumeCount, ecShardCount, maxVolumeCount int64
@@ -236,12 +244,12 @@ func (dn *DataNode) ToMap() interface{} {
 		volumeIds += " " + d.GetVolumeIds()
 	}

-	ret["Volumes"] = volumeCount
-	ret["EcShards"] = ecShardCount
-	ret["Max"] = maxVolumeCount
-	ret["VolumeIds"] = volumeIds
+	info.Volumes = volumeCount
+	info.EcShards = ecShardCount
+	info.Max = maxVolumeCount
+	info.VolumeIds = volumeIds

-	return ret
+	return
 }

 func (dn *DataNode) ToDataNodeInfo() *master_pb.DataNodeInfo {
@@ -4,6 +4,7 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
 	"github.com/chrislusf/seaweedfs/weed/storage/types"
 	"github.com/chrislusf/seaweedfs/weed/util"
+	"golang.org/x/exp/slices"
 	"time"
 )

@@ -53,16 +54,25 @@ func (r *Rack) GetOrCreateDataNode(ip string, port int, grpcPort int, publicUrl
 	return dn
 }

-func (r *Rack) ToMap() interface{} {
-	m := make(map[string]interface{})
-	m["Id"] = r.Id()
-	var dns []interface{}
+type RackInfo struct {
+	Id        NodeId         `json:"Id"`
+	DataNodes []DataNodeInfo `json:"DataNodes"`
+}
+
+func (r *Rack) ToInfo() (info RackInfo) {
+	info.Id = r.Id()
+	var dns []DataNodeInfo
 	for _, c := range r.Children() {
 		dn := c.(*DataNode)
-		dns = append(dns, dn.ToMap())
+		dns = append(dns, dn.ToInfo())
 	}
-	m["DataNodes"] = dns
-	return m
+
+	slices.SortFunc(dns, func(a, b DataNodeInfo) bool {
+		return a.Url < b.Url
+	})
+
+	info.DataNodes = dns
+	return
 }

 func (r *Rack) ToRackInfo() *master_pb.RackInfo {
@@ -1,30 +1,44 @@
 package topology

-import "github.com/chrislusf/seaweedfs/weed/pb/master_pb"
+import (
+	"github.com/chrislusf/seaweedfs/weed/pb/master_pb"
+	"golang.org/x/exp/slices"
+)

-func (t *Topology) ToMap() interface{} {
-	m := make(map[string]interface{})
-	m["Max"] = t.diskUsages.GetMaxVolumeCount()
-	m["Free"] = t.diskUsages.FreeSpace()
-	var dcs []interface{}
+type TopologyInfo struct {
+	Max         int64              `json:"Max"`
+	Free        int64              `json:"Free"`
+	DataCenters []DataCenterInfo   `json:"DataCenters"`
+	Layouts     []VolumeLayoutInfo `json:"Layouts"`
+}
+
+func (t *Topology) ToInfo() (info TopologyInfo) {
+	info.Max = t.diskUsages.GetMaxVolumeCount()
+	info.Free = t.diskUsages.FreeSpace()
+	var dcs []DataCenterInfo
 	for _, c := range t.Children() {
 		dc := c.(*DataCenter)
-		dcs = append(dcs, dc.ToMap())
+		dcs = append(dcs, dc.ToInfo())
 	}
-	m["DataCenters"] = dcs
-	var layouts []interface{}
+
+	slices.SortFunc(dcs, func(a, b DataCenterInfo) bool {
+		return a.Id < b.Id
+	})
+
+	info.DataCenters = dcs
+	var layouts []VolumeLayoutInfo
 	for _, col := range t.collectionMap.Items() {
 		c := col.(*Collection)
 		for _, layout := range c.storageType2VolumeLayout.Items() {
 			if layout != nil {
-				tmp := layout.(*VolumeLayout).ToMap()
-				tmp["collection"] = c.Name
+				tmp := layout.(*VolumeLayout).ToInfo()
+				tmp.Collection = c.Name
 				layouts = append(layouts, tmp)
 			}
 		}
 	}
-	m["Layouts"] = layouts
-	return m
+	info.Layouts = layouts
+	return
 }

 func (t *Topology) ToVolumeMap() interface{} {
@@ -185,10 +185,13 @@ func (t *Topology) Vacuum(grpcDialOption grpc.DialOption, garbageThreshold float
 		for _, vl := range c.storageType2VolumeLayout.Items() {
 			if vl != nil {
 				volumeLayout := vl.(*VolumeLayout)
-				if volumeId > 0 && volumeLayout.Lookup(needle.VolumeId(volumeId)) == nil {
-					continue
+				if volumeId > 0 {
+					if volumeLayout.Lookup(needle.VolumeId(volumeId)) != nil {
+						t.vacuumOneVolumeLayout(grpcDialOption, volumeLayout, c, garbageThreshold, preallocate)
+					}
+				} else {
+					t.vacuumOneVolumeLayout(grpcDialOption, volumeLayout, c, garbageThreshold, preallocate)
 				}
-				t.vacuumOneVolumeLayout(grpcDialOption, volumeLayout, c, garbageThreshold, preallocate)
 			}
 		}
 	}
@@ -473,13 +473,19 @@ func (vl *VolumeLayout) SetVolumeCrowded(vid needle.VolumeId) {
 	}
 }

-func (vl *VolumeLayout) ToMap() map[string]interface{} {
-	m := make(map[string]interface{})
-	m["replication"] = vl.rp.String()
-	m["ttl"] = vl.ttl.String()
-	m["writables"] = vl.writables
+type VolumeLayoutInfo struct {
+	Replication string            `json:"replication"`
+	TTL         string            `json:"ttl"`
+	Writables   []needle.VolumeId `json:"writables"`
+	Collection  string            `json:"collection"`
+}
+
+func (vl *VolumeLayout) ToInfo() (info VolumeLayoutInfo) {
+	info.Replication = vl.rp.String()
+	info.TTL = vl.ttl.String()
+	info.Writables = vl.writables
 	//m["locations"] = vl.vid2location
-	return m
+	return
 }

 func (vl *VolumeLayout) Stats() *VolumeLayoutStats {
@@ -5,7 +5,7 @@ import (
 )

 var (
-	VERSION_NUMBER = fmt.Sprintf("%.02f", 3.14)
+	VERSION_NUMBER = fmt.Sprintf("%.02f", 3.18)
 	VERSION        = sizeLimit + " " + VERSION_NUMBER
 	COMMIT         = ""
 )
@@ -32,7 +32,7 @@ func Retry(name string, job func() error) (err error) {
 	return err
 }

-func RetryForever(name string, job func() error, onErrFn func(err error) bool) {
+func RetryForever(name string, job func() error, onErrFn func(err error) (shouldContinue bool)) {
 	waitTime := time.Second
 	for {
 		err := job()
@@ -2,6 +2,7 @@ package wdclient

 import (
 	"context"
+	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/stats"
 	"math/rand"
 	"time"
@@ -23,18 +24,20 @@ type MasterClient struct {
 	grpcDialOption grpc.DialOption

 	vidMap
+	vidMapCacheSize int

 	OnPeerUpdate func(update *master_pb.ClusterNodeUpdate, startFrom time.Time)
 }

 func NewMasterClient(grpcDialOption grpc.DialOption, filerGroup string, clientType string, clientHost pb.ServerAddress, clientDataCenter string, masters map[string]pb.ServerAddress) *MasterClient {
 	return &MasterClient{
-		FilerGroup:     filerGroup,
-		clientType:     clientType,
-		clientHost:     clientHost,
-		masters:        masters,
-		grpcDialOption: grpcDialOption,
-		vidMap:         newVidMap(clientDataCenter),
+		FilerGroup:      filerGroup,
+		clientType:      clientType,
+		clientHost:      clientHost,
+		masters:         masters,
+		grpcDialOption:  grpcDialOption,
+		vidMap:          newVidMap(clientDataCenter),
+		vidMapCacheSize: 5,
 	}
 }

@@ -44,7 +47,7 @@ func (mc *MasterClient) GetLookupFileIdFunction() LookupFileIdFunctionType {

 func (mc *MasterClient) LookupFileIdWithFallback(fileId string) (fullUrls []string, err error) {
 	fullUrls, err = mc.vidMap.LookupFileId(fileId)
-	if err == nil {
+	if err == nil && len(fullUrls) > 0 {
 		return
 	}
 	err = pb.WithMasterClient(false, mc.currentMaster, mc.grpcDialOption, func(client master_pb.SeaweedClient) error {
@@ -52,7 +55,7 @@ func (mc *MasterClient) LookupFileIdWithFallback(fileId string) (fullUrls []stri
 			VolumeOrFileIds: []string{fileId},
 		})
 		if err != nil {
-			return err
+			return fmt.Errorf("LookupVolume failed: %v", err)
 		}
 		for vid, vidLocation := range resp.VolumeIdLocations {
 			for _, vidLoc := range vidLocation.Locations {
@@ -65,7 +68,6 @@ func (mc *MasterClient) LookupFileIdWithFallback(fileId string) (fullUrls []stri
 				fullUrls = append(fullUrls, "http://"+loc.Url+"/"+fileId)
 			}
 		}
-
 		return nil
 	})
 	return
@@ -175,10 +177,12 @@ func (mc *MasterClient) tryConnectToMaster(master pb.ServerAddress) (nextHintedL
 				stats.MasterClientConnectCounter.WithLabelValues(stats.RedirectedToleader).Inc()
 				return nil
 			}
-			mc.vidMap = newVidMap("")
+			//mc.vidMap = newVidMap("")
+			mc.resetVidMap()
 			mc.updateVidMap(resp)
 		} else {
-			mc.vidMap = newVidMap("")
+			mc.resetVidMap()
+			//mc.vidMap = newVidMap("")
 		}
 		mc.currentMaster = master

@@ -263,3 +267,17 @@ func (mc *MasterClient) WithClient(streamingMode bool, fn func(client master_pb.
 		})
 	})
 }
+
+func (mc *MasterClient) resetVidMap() {
+	tail := &vidMap{vid2Locations: mc.vid2Locations, ecVid2Locations: mc.ecVid2Locations, cache: mc.cache}
+	mc.vidMap = newVidMap("")
+	mc.vidMap.cache = tail
+
+	for i := 0; i < mc.vidMapCacheSize && tail.cache != nil; i++ {
+		if i == mc.vidMapCacheSize-1 {
+			tail.cache = nil
+		} else {
+			tail = tail.cache
+		}
+	}
+}
@@ -40,6 +40,7 @@ type vidMap struct {
 	ecVid2Locations map[uint32][]Location
 	DataCenter      string
 	cursor          int32
+	cache           *vidMap
 }

 func newVidMap(dataCenter string) vidMap {
@@ -119,17 +120,29 @@ func (vc *vidMap) GetVidLocations(vid string) (locations []Location, err error)
 }

 func (vc *vidMap) GetLocations(vid uint32) (locations []Location, found bool) {
+	glog.V(4).Infof("~ lookup volume id %d: %+v ec:%+v", vid, vc.vid2Locations, vc.ecVid2Locations)
+	locations, found = vc.getLocations(vid)
+	if found && len(locations) > 0 {
+		return locations, found
+	}
+
+	if vc.cache != nil {
+		return vc.cache.GetLocations(vid)
+	}
+
+	return nil, false
+}
+
+func (vc *vidMap) getLocations(vid uint32) (locations []Location, found bool) {
 	vc.RLock()
 	defer vc.RUnlock()

-	glog.V(4).Infof("~ lookup volume id %d: %+v ec:%+v", vid, vc.vid2Locations, vc.ecVid2Locations)
-
 	locations, found = vc.vid2Locations[vid]
 	if found && len(locations) > 0 {
 		return
 	}
 	locations, found = vc.ecVid2Locations[vid]
-	return locations, found && len(locations) > 0
+	return
 }

 func (vc *vidMap) addLocation(vid uint32, location Location) {
@@ -177,6 +190,10 @@ func (vc *vidMap) addEcLocation(vid uint32, location Location) {
 }

 func (vc *vidMap) deleteLocation(vid uint32, location Location) {
+	if vc.cache != nil {
+		vc.cache.deleteLocation(vid, location)
+	}
+
 	vc.Lock()
 	defer vc.Unlock()

@@ -193,10 +210,13 @@ func (vc *vidMap) deleteLocation(vid uint32, location Location) {
 			break
 		}
 	}
-
 }

 func (vc *vidMap) deleteEcLocation(vid uint32, location Location) {
+	if vc.cache != nil {
+		vc.cache.deleteLocation(vid, location)
+	}
+
 	vc.Lock()
 	defer vc.Unlock()

@@ -213,5 +233,4 @@ func (vc *vidMap) deleteEcLocation(vid uint32, location Location) {
 			break
 		}
 	}
-
 }
@@ -2,6 +2,9 @@ package wdclient

 import (
 	"fmt"
+	"google.golang.org/grpc"
+	"strconv"
+	"sync"
 	"testing"
 )

@@ -59,6 +62,76 @@ func TestLocationIndex(t *testing.T) {
 	}
 }

+func TestLookupFileId(t *testing.T) {
+	mc := NewMasterClient(grpc.EmptyDialOption{}, "", "", "", "", nil)
+	length := 5
+
+	//Construct a cache linked list of length 5
+	for i := 0; i < length; i++ {
+		mc.addLocation(uint32(i), Location{Url: strconv.FormatInt(int64(i), 10)})
+		mc.resetVidMap()
+	}
+	for i := 0; i < length; i++ {
+		locations, found := mc.GetLocations(uint32(i))
+		if !found || len(locations) != 1 || locations[0].Url != strconv.FormatInt(int64(i), 10) {
+			t.Fatalf("urls of vid=%d is not valid.", i)
+		}
+	}
+
+	//When continue to add nodes to the linked list, the previous node will be deleted, and the cache of the response will be gone.
+	for i := length; i < length+5; i++ {
+		mc.addLocation(uint32(i), Location{Url: strconv.FormatInt(int64(i), 10)})
+		mc.resetVidMap()
+	}
+	for i := 0; i < length; i++ {
+		locations, found := mc.GetLocations(uint32(i))
+		if found {
+			t.Fatalf("urls of vid[%d] should not exists, but found: %v", i, locations)
+		}
+	}
+
+	//The delete operation will be applied to all cache nodes
+	_, found := mc.GetLocations(uint32(length))
+	if !found {
+		t.Fatalf("urls of vid[%d] not found", length)
+	}
+
+	//If the locations of the current node exist, return directly
+	newUrl := "abc"
+	mc.addLocation(uint32(length), Location{Url: newUrl})
+	locations, found := mc.GetLocations(uint32(length))
+	if !found || locations[0].Url != newUrl {
+		t.Fatalf("urls of vid[%d] not found", length)
+	}
+
+	//After delete `abc`, cache nodes are searched
+	deleteLoc := Location{Url: newUrl}
+	mc.deleteLocation(uint32(length), deleteLoc)
+	locations, found = mc.GetLocations(uint32(length))
+	if found && locations[0].Url != strconv.FormatInt(int64(length), 10) {
+		t.Fatalf("urls of vid[%d] not expected", length)
+	}
+
+	//lock: concurrent test
+	var wg sync.WaitGroup
+	for i := 0; i < 20; i++ {
+		wg.Add(1)
+		go func() {
+			defer wg.Done()
+			for i := 0; i < 100; i++ {
+				for i := 0; i < 20; i++ {
+					_, _ = mc.GetLocations(uint32(i))
+				}
+			}
+		}()
+	}
+
+	for i := 0; i < 100; i++ {
+		mc.addLocation(uint32(i), Location{})
+	}
+	wg.Wait()
+}
+
 func BenchmarkLocationIndex(b *testing.B) {
 	b.SetParallelism(8)
 	vm := vidMap{