3.31

mount: remove mount directory from generating cache directory id
fix https://github.com/seaweedfs/seaweedfs/discussions/3811
2026-10-04 05:33:05 +00:00 · 2022-10-10 00:15:30 -07:00 · 2022-10-10 00:12:10 -07:00 · 2022-10-09 22:47:55 -07:00 · 2022-10-09 22:31:30 -07:00 · 2022-10-09 22:30:59 -07:00
226 changed files with 114092 additions and 3249 deletions
@@ -36,7 +36,7 @@ jobs:
          goos: ${{ matrix.goos }}
          goarch: ${{ matrix.goarch }}
          overwrite: true
-          pre_command: export CGO_ENABLED=1 && export GODEBUG=http2client=0
+          pre_command: export CGO_ENABLED=0 && export GODEBUG=http2client=0
          # build_flags: -tags 5BytesOffset # optional, default is
          ldflags: -extldflags -static -X github.com/seaweedfs/seaweedfs/weed/util.COMMIT=${{github.sha}}
          # Where to run `go build .`
@@ -50,7 +50,7 @@ jobs:
          goos: ${{ matrix.goos }}
          goarch: ${{ matrix.goarch }}
          overwrite: true
-          pre_command: export CGO_ENABLED=1 && export GODEBUG=http2client=0
+          pre_command: export CGO_ENABLED=0 && export GODEBUG=http2client=0
          build_flags: -tags 5BytesOffset # optional, default is
          ldflags: -extldflags -static -X github.com/seaweedfs/seaweedfs/weed/util.COMMIT=${{github.sha}}
          # Where to run `go build .`
@@ -11,4 +11,4 @@ jobs:
      - name: 'Checkout Repository'
        uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b
      - name: 'Dependency Review'
-        uses: actions/dependency-review-action@23d1ffffb6fa5401173051ec21eba8c35242733f
+        uses: actions/dependency-review-action@375c5370086bfff256c37f8beec0f437e2e72ae1
@@ -59,8 +59,8 @@ Table of Contents
 * [Features](#features)
    * [Additional Features](#additional-features)
    * [Filer Features](#filer-features)
-* [Example: Using Seaweed Object Store](#example-Using-Seaweed-Object-Store)
-* [Architecture](#Object-Store-Architecture)
+* [Example: Using Seaweed Object Store](#example-using-seaweed-object-store)
+* [Architecture](#object-store-architecture)
 * [Compared to Other File Systems](#compared-to-other-file-systems)
    * [Compared to HDFS](#compared-to-hdfs)
    * [Compared to GlusterFS, Ceph](#compared-to-glusterfs-ceph)
@@ -69,9 +69,10 @@ Table of Contents
 * [Dev Plan](#dev-plan)
 * [Installation Guide](#installation-guide)
 * [Disk Related Topics](#disk-related-topics)
-* [Benchmark](#Benchmark)
+* [Benchmark](#benchmark)
 * [License](#license)

+# Quick Start #

 ## Quick Start for S3 API on Docker ##

@@ -86,7 +87,7 @@ Also, to increase capacity, just add more volume servers by running `weed volume
 ## Quick Start SeaweedFS S3 on AWS ##
 * Setup fast production-ready [SeaweedFS S3 on AWS with cloudformation](https://aws.amazon.com/marketplace/pp/prodview-nzelz5gprlrjc)

-## Introduction ##
+# Introduction #

 SeaweedFS is a simple and highly scalable distributed file system. There are two objectives:

@@ -123,6 +124,7 @@ Faster and Cheaper than direct cloud storage!

 [Back to TOC](#table-of-contents)

+# Features #
 ## Additional Features ##
 * Can choose no replication or different replication levels, rack and data center aware.
 * Automatic master servers failover - no single point of failure (SPOF).
@@ -44,7 +44,7 @@ docker buildx build --pull --push --platform linux/386,linux/amd64,linux/arm64,l
 docker buildx stop $BUILDER
 ```

-## Minio debuging
+## Minio debugging
 ```
 mc config host add local http://127.0.0.1:9000 some_access_key1 some_secret_key1
 mc admin trace --all --verbose local
@@ -6,7 +6,7 @@ services:
    ports:
      - 9333:9333
      - 19333:19333
-    command: "-v=4 master -volumeSizeLimitMB 100 -raftHashicorp -ip=master0 -port=9333 -peers=master1:9334,master2:9335 -mdir=/data"
+    command: "-v=4 master -volumeSizeLimitMB 100 -raftHashicorp -electionTimeout 1s -ip=master0 -port=9333 -peers=master1:9334,master2:9335 -mdir=/data"
    volumes:
      - ./master/0:/data
    environment:
@@ -18,7 +18,7 @@ services:
    ports:
      - 9334:9334
      - 19334:19334
-    command: "-v=4 master -volumeSizeLimitMB 100 -raftHashicorp -ip=master1 -port=9334 -peers=master0:9333,master2:9335 -mdir=/data"
+    command: "-v=4 master -volumeSizeLimitMB 100 -raftHashicorp -electionTimeout 1s -ip=master1 -port=9334 -peers=master0:9333,master2:9335 -mdir=/data"
    volumes:
      - ./master/1:/data
    environment:
@@ -30,7 +30,7 @@ services:
    ports:
      - 9335:9335
      - 19335:19335
-    command: "-v=4 master -volumeSizeLimitMB 100 -raftHashicorp -ip=master2 -port=9335 -peers=master0:9333,master1:9334 -mdir=/data"
+    command: "-v=4 master -volumeSizeLimitMB 100 -raftHashicorp -electionTimeout 1s -ip=master2 -port=9335 -peers=master0:9333,master1:9334 -mdir=/data"
    volumes:
      - ./master/2:/data
    environment:
@@ -1,5 +1,5 @@
 [notification.log]
-# this is only for debugging perpose and does not work with "weed filer.replicate"
+# this is only for debugging purpose and does not work with "weed filer.replicate"
 enabled = false


@@ -5,16 +5,16 @@ go 1.19
 require (
 	cloud.google.com/go v0.104.0 // indirect
 	cloud.google.com/go/pubsub v1.25.1
-	cloud.google.com/go/storage v1.26.0
+	cloud.google.com/go/storage v1.27.0
 	github.com/Azure/azure-pipeline-go v0.2.3
 	github.com/Azure/azure-storage-blob-go v0.15.0
-	github.com/Shopify/sarama v1.36.0
-	github.com/aws/aws-sdk-go v1.44.91
+	github.com/Shopify/sarama v1.37.0
+	github.com/aws/aws-sdk-go v1.44.110
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/bwmarrin/snowflake v0.3.0
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
 	github.com/coreos/go-semver v0.3.0 // indirect
-	github.com/coreos/go-systemd/v22 v22.3.2 // indirect
+	github.com/coreos/go-systemd/v22 v22.3.3-0.20220203105225-a9a7ef127534 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 	github.com/disintegration/imaging v1.6.2
@@ -27,11 +27,11 @@ require (
 	github.com/facebookgo/stack v0.0.0-20160209184415-751773369052 // indirect
 	github.com/facebookgo/stats v0.0.0-20151006221625-1b76add642e4
 	github.com/facebookgo/subset v0.0.0-20200203212716-c811ad88dec4 // indirect
-	github.com/fclairamb/ftpserverlib v0.19.1
+	github.com/fclairamb/ftpserverlib v0.20.0
 	github.com/fsnotify/fsnotify v1.5.4 // indirect
 	github.com/go-errors/errors v1.1.1 // indirect
 	github.com/go-redis/redis/v8 v8.11.5
-	github.com/go-redsync/redsync/v4 v4.5.1
+	github.com/go-redsync/redsync/v4 v4.6.0
 	github.com/go-sql-driver/mysql v1.6.0
 	github.com/go-zookeeper/zk v1.0.2 // indirect
 	github.com/gocql/gocql v0.0.0-20210707082121-9a3953d1826d
@@ -43,10 +43,10 @@ require (
 	github.com/google/go-cmp v0.5.8 // indirect
 	github.com/google/uuid v1.3.0
 	github.com/google/wire v0.5.0 // indirect
-	github.com/googleapis/gax-go/v2 v2.4.0 // indirect
+	github.com/googleapis/gax-go/v2 v2.5.1 // indirect
 	github.com/gorilla/mux v1.8.0
 	github.com/hailocab/go-hostpool v0.0.0-20160125115350-e80d13ce29ed // indirect
-	github.com/hashicorp/errwrap v1.0.0 // indirect
+	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
 	github.com/hashicorp/go-uuid v1.0.3 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
@@ -57,16 +57,16 @@ 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 v1.15.9 // indirect
-	github.com/klauspost/reedsolomon v1.10.0
+	github.com/klauspost/compress v1.15.11 // indirect
+	github.com/klauspost/reedsolomon v1.11.0
 	github.com/kurin/blazer v0.5.3
-	github.com/lib/pq v1.10.6
+	github.com/lib/pq v1.10.7
 	github.com/linxGnu/grocksdb v1.7.7
 	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
-	github.com/mattn/go-isatty v0.0.14 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/mattn/go-ieproxy v0.0.9 // indirect
+	github.com/mattn/go-isatty v0.0.16 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
@@ -85,11 +85,11 @@ require (
 	github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 // indirect
 	github.com/seaweedfs/goexif v2.0.0+incompatible
 	github.com/seaweedfs/raft v1.1.0
-	github.com/sirupsen/logrus v1.8.1 // indirect
+	github.com/sirupsen/logrus v1.9.0 // indirect
 	github.com/spf13/afero v1.9.2 // indirect
 	github.com/spf13/cast v1.5.0 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
-	github.com/spf13/viper v1.12.0
+	github.com/spf13/viper v1.13.0
 	github.com/stretchr/testify v1.8.0
 	github.com/stvp/tempredis v0.0.0-20181119212430-b82af8480203
 	github.com/syndtr/goleveldb v1.0.1-0.20190318030020-c3a204f8e965
@@ -106,51 +106,52 @@ require (
 	github.com/xdg-go/scram v1.1.1 // indirect
 	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 v1.10.1
+	go.etcd.io/etcd/client/v3 v3.5.5
+	go.mongodb.org/mongo-driver v1.10.2
 	go.opencensus.io v0.23.0 // indirect
-	gocloud.dev v0.26.0
-	gocloud.dev/pubsub/natspubsub v0.26.0
-	gocloud.dev/pubsub/rabbitpubsub v0.26.0
+	gocloud.dev v0.27.0
+	gocloud.dev/pubsub/natspubsub v0.27.0
+	gocloud.dev/pubsub/rabbitpubsub v0.27.0
 	golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa // indirect
 	golang.org/x/exp v0.0.0-20220414153411-bcd21879b8fd
 	golang.org/x/image v0.0.0-20200119044424-58c23975cae1
-	golang.org/x/net v0.0.0-20220809184613-07c6da5e1ced
-	golang.org/x/oauth2 v0.0.0-20220822191816-0ebed06d0094 // indirect
-	golang.org/x/sys v0.0.0-20220818161305-2296e01440c6
+	golang.org/x/net v0.0.0-20220927171203-f486391704dc
+	golang.org/x/oauth2 v0.0.0-20220909003341-f21342109be1 // indirect
+	golang.org/x/sys v0.0.0-20220919091848-fb04ddd9f9c8
 	golang.org/x/text v0.3.7 // indirect
-	golang.org/x/tools v0.1.8-0.20211029000441-d6a9af8af023
+	golang.org/x/tools v0.1.12
 	golang.org/x/xerrors v0.0.0-20220609144429-65e65417b02f // indirect
-	google.golang.org/api v0.94.0
+	google.golang.org/api v0.98.0
 	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/genproto v0.0.0-20220822174746-9e6da59bd2fc // indirect
+	google.golang.org/genproto v0.0.0-20220920201722-2b89144ce006 // indirect
 	google.golang.org/grpc v1.49.0
 	google.golang.org/protobuf v1.28.1
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	modernc.org/b v1.0.0 // indirect
-	modernc.org/cc/v3 v3.36.0 // indirect
-	modernc.org/ccgo/v3 v3.16.8 // indirect
-	modernc.org/libc v1.16.19 // indirect
+	modernc.org/cc/v3 v3.38.1 // indirect
+	modernc.org/ccgo/v3 v3.16.9 // indirect
+	modernc.org/libc v1.19.0 // indirect
 	modernc.org/mathutil v1.5.0 // indirect
-	modernc.org/memory v1.1.1 // indirect
-	modernc.org/opt v0.1.1 // indirect
-	modernc.org/sqlite v1.18.1
+	modernc.org/memory v1.4.0 // indirect
+	modernc.org/opt v0.1.3 // indirect
+	modernc.org/sqlite v1.19.1
 	modernc.org/strutil v1.1.3
-	modernc.org/token v1.0.0 // indirect
+	modernc.org/token v1.0.1 // indirect
 )

 require (
 	github.com/Jille/raft-grpc-transport v1.2.0
 	github.com/arangodb/go-driver v1.3.3
 	github.com/fluent/fluent-logger-golang v1.9.0
-	github.com/google/flatbuffers v2.0.8+incompatible
+	github.com/google/flatbuffers v22.9.29+incompatible
 	github.com/hanwen/go-fuse/v2 v2.1.1-0.20220627082937-d01fda7edf17
 	github.com/hashicorp/raft v1.3.10
 	github.com/hashicorp/raft-boltdb/v2 v2.2.2
-	github.com/rabbitmq/amqp091-go v1.4.0
+	github.com/rabbitmq/amqp091-go v1.5.0
 	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 v3.37.4
+	github.com/ydb-platform/ydb-go-sdk/v3 v3.38.3
+	golang.org/x/sync v0.0.0-20220923202941-7f9b1623fab7
 	google.golang.org/grpc/security/advancedtls v0.0.0-20220622233350-5cdb09fa29c1
 )

@@ -159,30 +160,30 @@ require (
 	cloud.google.com/go/iam v0.3.0 // indirect
 	github.com/arangodb/go-velocypack v0.0.0-20200318135517-5af53c29c67e // indirect
 	github.com/armon/go-metrics v0.3.10 // indirect
-	github.com/aws/aws-sdk-go-v2 v1.16.2 // indirect
-	github.com/aws/aws-sdk-go-v2/config v1.15.3 // indirect
-	github.com/aws/aws-sdk-go-v2/credentials v1.11.2 // indirect
-	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.12.3 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.9 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.3 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/ini v1.3.10 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.9.3 // indirect
-	github.com/aws/aws-sdk-go-v2/service/sns v1.17.4 // indirect
-	github.com/aws/aws-sdk-go-v2/service/sqs v1.18.3 // indirect
-	github.com/aws/aws-sdk-go-v2/service/sso v1.11.3 // indirect
-	github.com/aws/aws-sdk-go-v2/service/sts v1.16.3 // indirect
-	github.com/aws/smithy-go v1.11.2 // indirect
+	github.com/aws/aws-sdk-go-v2 v1.16.8 // indirect
+	github.com/aws/aws-sdk-go-v2/config v1.15.15 // indirect
+	github.com/aws/aws-sdk-go-v2/credentials v1.12.10 // indirect
+	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.12.9 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.15 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.9 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/ini v1.3.16 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.9.9 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sns v1.17.10 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sqs v1.19.1 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sso v1.11.13 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sts v1.16.10 // indirect
+	github.com/aws/smithy-go v1.12.0 // indirect
 	github.com/benbjohnson/clock v1.1.0 // indirect
 	github.com/boltdb/bolt v1.3.1 // indirect
 	github.com/cznic/mathutil v0.0.0-20181122101859-297441e03548 // indirect
 	github.com/d4l3k/messagediff v1.2.1 // indirect
 	github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2 // indirect
 	github.com/fatih/color v1.13.0 // indirect
-	github.com/fclairamb/go-log v0.3.0 // indirect
+	github.com/fclairamb/go-log v0.4.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang-jwt/jwt/v4 v4.4.1 // indirect
+	github.com/golang-jwt/jwt/v4 v4.4.2 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.1.0 // indirect
-	github.com/grpc-ecosystem/go-grpc-middleware v1.1.0 // indirect
+	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
 	github.com/hashicorp/go-hclog v1.2.0 // indirect
 	github.com/hashicorp/go-immutable-radix v1.3.1 // indirect
 	github.com/hashicorp/go-msgpack v1.1.5 // indirect
@@ -192,41 +193,40 @@ require (
 	github.com/jcmturner/rpc/v2 v2.0.3 // indirect
 	github.com/jonboulle/clockwork v0.2.2 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
-	github.com/klauspost/cpuid/v2 v2.0.14 // indirect
-	github.com/mattn/go-colorable v0.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.1.1 // indirect
+	github.com/mattn/go-colorable v0.1.13 // 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/montanaflynn/stats v0.6.6 // indirect
+	github.com/nats-io/nats.go v1.16.0 // 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/pelletier/go-toml/v2 v2.0.5 // indirect
 	github.com/philhofer/fwd v1.1.1 // indirect
-	github.com/pierrec/lz4/v4 v4.1.15 // indirect
+	github.com/pierrec/lz4/v4 v4.1.17 // 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
 	github.com/pingcap/log v0.0.0-20211215031037-e024ba4eb0ee // indirect
 	github.com/rwcarlsen/goexif v0.0.0-20190401172101-9e8deecbddbd // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/subosito/gotenv v1.3.0 // indirect
+	github.com/subosito/gotenv v1.4.1 // indirect
 	github.com/tikv/pd/client v0.0.0-20220216070739-26c668271201 // indirect
 	github.com/tinylib/msgp v1.1.6 // indirect
 	github.com/twmb/murmur3 v1.1.3 // indirect
 	github.com/yandex-cloud/go-genproto v0.0.0-20211115083454-9ca41db5ed9e // indirect
-	github.com/ydb-platform/ydb-go-genproto v0.0.0-20220801095836-cf975531fd1f // indirect
+	github.com/ydb-platform/ydb-go-genproto v0.0.0-20220922065549-66df47a830ba // indirect
 	github.com/ydb-platform/ydb-go-yc v0.8.3 // indirect
 	github.com/ydb-platform/ydb-go-yc-metadata v0.5.2 // indirect
 	go.etcd.io/bbolt v1.3.6 // indirect
-	go.etcd.io/etcd/api/v3 v3.5.4 // indirect
-	go.etcd.io/etcd/client/pkg/v3 v3.5.4 // indirect
+	go.etcd.io/etcd/api/v3 v3.5.5 // indirect
+	go.etcd.io/etcd/client/pkg/v3 v3.5.5 // indirect
 	go.uber.org/atomic v1.9.0 // indirect
 	go.uber.org/multierr v1.8.0 // indirect
-	go.uber.org/zap v1.21.0 // indirect
-	golang.org/x/mod v0.6.0-dev.0.20211013180041-c96bc1413d57 // indirect
-	golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4 // indirect
-	gopkg.in/ini.v1 v1.66.4 // indirect
+	go.uber.org/zap v1.22.0 // indirect
+	golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
@@ -1,5 +1,5 @@
 apiVersion: v1
 description: SeaweedFS
 name: seaweedfs
-appVersion: "3.26"
-version: "3.26"
+appVersion: "3.31"
+version: "3.31"
@@ -5,7 +5,7 @@

    <groupId>com.github.chrislusf</groupId>
    <artifactId>seaweedfs-client</artifactId>
-    <version>3.13</version>
+    <version>3.30</version>

    <parent>
        <groupId>org.sonatype.oss</groupId>
@@ -14,7 +14,7 @@
    </parent>

    <properties>
-        <protobuf.version>3.16.1</protobuf.version>
+        <protobuf.version>3.16.3</protobuf.version>
        <!-- follow https://github.com/grpc/grpc-java -->
        <grpc.version>1.23.0</grpc.version>
        <guava.version>30.0-jre</guava.version>
@@ -159,7 +159,7 @@
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-javadoc-plugin</artifactId>
-                <version>2.9.1</version>
+                <version>3.0.1</version>
                <executions>
                    <execution>
                        <id>attach-javadocs</id>
@@ -5,7 +5,7 @@

    <groupId>com.github.chrislusf</groupId>
    <artifactId>seaweedfs-client</artifactId>
-    <version>3.13</version>
+    <version>3.30</version>

    <parent>
        <groupId>org.sonatype.oss</groupId>
@@ -154,7 +154,7 @@
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-javadoc-plugin</artifactId>
-                <version>2.9.1</version>
+                <version>3.0.1</version>
                <executions>
                    <execution>
                        <id>attach-javadocs</id>
@@ -5,7 +5,7 @@

    <groupId>com.github.chrislusf</groupId>
    <artifactId>seaweedfs-client</artifactId>
-    <version>3.13</version>
+    <version>3.30</version>

    <parent>
        <groupId>org.sonatype.oss</groupId>
@@ -128,7 +128,7 @@
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-javadoc-plugin</artifactId>
-                <version>2.9.1</version>
+                <version>3.0.1</version>
                <executions>
                    <execution>
                        <id>attach-javadocs</id>
@@ -14,7 +14,9 @@ import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.security.SecureRandom;
+import java.security.MessageDigest;
 import java.util.List;
+import java.util.Base64;

 public class SeaweedWrite {

@@ -123,13 +125,20 @@ public class SeaweedWrite {
                                          final byte[] bytes,
                                          final long bytesOffset, final long bytesLength,
                                          byte[] cipherKey) throws IOException {
+        MessageDigest md = null;
+        try {
+            md = MessageDigest.getInstance("MD5");
+        } catch (java.security.NoSuchAlgorithmException e) {
+        }

        InputStream inputStream = null;
        if (cipherKey == null || cipherKey.length == 0) {
+            md.update(bytes, (int) bytesOffset, (int) bytesLength);
            inputStream = new ByteArrayInputStream(bytes, (int) bytesOffset, (int) bytesLength);
        } else {
            try {
                byte[] encryptedBytes = SeaweedCipher.encrypt(bytes, (int) bytesOffset, (int) bytesLength, cipherKey);
+                md.update(encryptedBytes);
                inputStream = new ByteArrayInputStream(encryptedBytes, 0, encryptedBytes.length);
            } catch (Exception e) {
                throw new IOException("fail to encrypt data", e);
@@ -140,6 +149,7 @@ public class SeaweedWrite {
        if (auth != null && auth.length() != 0) {
            post.addHeader("Authorization", "BEARER " + auth);
        }
+        post.addHeader("Content-MD5", Base64.getEncoder().encodeToString(md.digest()));

        post.setEntity(MultipartEntityBuilder.create()
                .setMode(HttpMultipartMode.BROWSER_COMPATIBLE)
@@ -149,6 +159,13 @@ public class SeaweedWrite {
        CloseableHttpResponse response = SeaweedUtil.getClosableHttpClient().execute(post);

        try {
+            if (response.getStatusLine().getStatusCode() / 100 != 2) {
+                if (response.getEntity().getContentType() != null && response.getEntity().getContentType().getValue().equals("application/json")) {
+                    throw new IOException(EntityUtils.toString(response.getEntity(), "UTF-8"));
+                } else {
+                    throw new IOException(response.getStatusLine().getReasonPhrase());
+                }
+            }

            String etag = response.getLastHeader("ETag").getValue();

@@ -342,6 +342,7 @@ message SubscribeMetadataRequest {
    int32 client_id = 7;
    int64 until_ns = 8;
    int32 client_epoch = 9;
+    repeated string directories = 10;  // exact directory to watch
 }
 message SubscribeMetadataResponse {
    string directory = 1;
@@ -11,13 +11,13 @@
        <dependency>
            <groupId>com.github.chrislusf</groupId>
            <artifactId>seaweedfs-client</artifactId>
-            <version>3.13</version>
+            <version>3.30</version>
            <scope>compile</scope>
        </dependency>
        <dependency>
            <groupId>com.github.chrislusf</groupId>
            <artifactId>seaweedfs-hadoop2-client</artifactId>
-            <version>3.13</version>
+            <version>3.30</version>
            <scope>compile</scope>
        </dependency>
        <dependency>
@@ -108,7 +108,7 @@
      </plugin>
      <plugin>
        <artifactId>maven-javadoc-plugin</artifactId>
-        <version>2.9.1</version>
+        <version>3.0.1</version>
        <executions>
          <execution>
            <id>attach-javadocs</id>
@@ -124,7 +124,7 @@
    <dependency>
      <groupId>org.apache.hadoop</groupId>
      <artifactId>hadoop-client</artifactId>
-      <version>2.10.1</version>
+      <version>3.2.4</version>
      <scope>provided</scope>
      <exclusions>
        <exclusion>
@@ -132,11 +132,11 @@
          <groupId>org.apache.hadoop</groupId>
        </exclusion>
        <exclusion>
-          <artifactId>hadoop-mapreduce-client-app</artifactId>
+          <artifactId>hadoop-yarn-api</artifactId>
          <groupId>org.apache.hadoop</groupId>
        </exclusion>
        <exclusion>
-          <artifactId>hadoop-yarn-api</artifactId>
+          <artifactId>hadoop-yarn-client</artifactId>
          <groupId>org.apache.hadoop</groupId>
        </exclusion>
        <exclusion>
@@ -156,7 +156,7 @@
    <dependency>
      <groupId>org.apache.hadoop</groupId>
      <artifactId>hadoop-common</artifactId>
-      <version>2.10.1</version>
+      <version>3.2.4</version>
      <scope>provided</scope>
      <exclusions>
        <exclusion>
@@ -167,10 +167,6 @@
          <artifactId>commons-math3</artifactId>
          <groupId>org.apache.commons</groupId>
        </exclusion>
-        <exclusion>
-          <artifactId>xmlenc</artifactId>
-          <groupId>xmlenc</groupId>
-        </exclusion>
        <exclusion>
          <artifactId>commons-io</artifactId>
          <groupId>commons-io</groupId>
@@ -184,20 +180,28 @@
          <groupId>commons-collections</groupId>
        </exclusion>
        <exclusion>
-          <artifactId>servlet-api</artifactId>
+          <artifactId>javax.servlet-api</artifactId>
          <groupId>javax.servlet</groupId>
        </exclusion>
        <exclusion>
-          <artifactId>jetty</artifactId>
-          <groupId>org.mortbay.jetty</groupId>
+          <artifactId>javax.activation-api</artifactId>
+          <groupId>javax.activation</groupId>
+        </exclusion>
+        <exclusion>
+          <artifactId>jetty-server</artifactId>
+          <groupId>org.eclipse.jetty</groupId>
        </exclusion>
        <exclusion>
          <artifactId>jetty-util</artifactId>
-          <groupId>org.mortbay.jetty</groupId>
+          <groupId>org.eclipse.jetty</groupId>
        </exclusion>
        <exclusion>
-          <artifactId>jetty-sslengine</artifactId>
-          <groupId>org.mortbay.jetty</groupId>
+          <artifactId>jetty-servlet</artifactId>
+          <groupId>org.eclipse.jetty</groupId>
+        </exclusion>
+        <exclusion>
+          <artifactId>jetty-webapp</artifactId>
+          <groupId>org.eclipse.jetty</groupId>
        </exclusion>
        <exclusion>
          <artifactId>jsp-api</artifactId>
@@ -207,6 +211,10 @@
          <artifactId>jersey-core</artifactId>
          <groupId>com.sun.jersey</groupId>
        </exclusion>
+        <exclusion>
+          <artifactId>jersey-servlet</artifactId>
+          <groupId>com.sun.jersey</groupId>
+        </exclusion>
        <exclusion>
          <artifactId>jersey-json</artifactId>
          <groupId>com.sun.jersey</groupId>
@@ -216,49 +224,37 @@
          <groupId>com.sun.jersey</groupId>
        </exclusion>
        <exclusion>
-          <artifactId>log4j</artifactId>
-          <groupId>log4j</groupId>
-        </exclusion>
-        <exclusion>
-          <artifactId>jets3t</artifactId>
-          <groupId>net.java.dev.jets3t</groupId>
-        </exclusion>
-        <exclusion>
-          <artifactId>commons-lang</artifactId>
-          <groupId>commons-lang</groupId>
-        </exclusion>
-        <exclusion>
-          <artifactId>commons-configuration</artifactId>
-          <groupId>commons-configuration</groupId>
-        </exclusion>
-        <exclusion>
-          <artifactId>commons-digester</artifactId>
-          <groupId>commons-digester</groupId>
+          <artifactId>reload4j</artifactId>
+          <groupId>ch.qos.reload4j</groupId>
        </exclusion>
        <exclusion>
          <artifactId>commons-beanutils</artifactId>
          <groupId>commons-beanutils</groupId>
        </exclusion>
+        <exclusion>
+          <artifactId>commons-configuration2</artifactId>
+          <groupId>org.apache.commons</groupId>
+        </exclusion>
        <exclusion>
          <artifactId>commons-lang3</artifactId>
          <groupId>org.apache.commons</groupId>
        </exclusion>
        <exclusion>
-          <artifactId>slf4j-log4j12</artifactId>
+          <artifactId>commons-text</artifactId>
+          <groupId>org.apache.commons</groupId>
+        </exclusion>
+        <exclusion>
+          <artifactId>slf4j-reload4j</artifactId>
          <groupId>org.slf4j</groupId>
        </exclusion>
-        <exclusion>
-          <artifactId>jackson-core-asl</artifactId>
-          <groupId>org.codehaus.jackson</groupId>
-        </exclusion>
-        <exclusion>
-          <artifactId>jackson-mapper-asl</artifactId>
-          <groupId>org.codehaus.jackson</groupId>
-        </exclusion>
        <exclusion>
          <artifactId>avro</artifactId>
          <groupId>org.apache.avro</groupId>
        </exclusion>
+        <exclusion>
+          <artifactId>re2j</artifactId>
+          <groupId>com.google.re2j</groupId>
+        </exclusion>
        <exclusion>
          <artifactId>hadoop-auth</artifactId>
          <groupId>org.apache.hadoop</groupId>
@@ -287,6 +283,14 @@
          <artifactId>commons-compress</artifactId>
          <groupId>org.apache.commons</groupId>
        </exclusion>
+        <exclusion>
+          <artifactId>kerb-simplekdc</artifactId>
+          <groupId>org.apache.kerby</groupId>
+        </exclusion>
+        <exclusion>
+          <artifactId>jackson-databind</artifactId>
+          <groupId>com.fasterxml.jackson.core</groupId>
+        </exclusion>
        <exclusion>
          <artifactId>stax2-api</artifactId>
          <groupId>org.codehaus.woodstox</groupId>
@@ -295,6 +299,10 @@
          <artifactId>woodstox-core</artifactId>
          <groupId>com.fasterxml.woodstox</groupId>
        </exclusion>
+        <exclusion>
+          <artifactId>dnsjava</artifactId>
+          <groupId>dnsjava</groupId>
+        </exclusion>
        <exclusion>
          <artifactId>hadoop-annotations</artifactId>
          <groupId>org.apache.hadoop</groupId>
@@ -309,7 +317,7 @@
    </snapshotRepository>
  </distributionManagement>
  <properties>
-    <seaweedfs.client.version>3.13</seaweedfs.client.version>
-    <hadoop.version>2.10.1</hadoop.version>
+    <seaweedfs.client.version>3.30</seaweedfs.client.version>
+    <hadoop.version>3.2.4</hadoop.version>
  </properties>
 </project>
@@ -5,7 +5,7 @@
    <modelVersion>4.0.0</modelVersion>

    <properties>
-        <seaweedfs.client.version>3.13</seaweedfs.client.version>
+        <seaweedfs.client.version>3.30</seaweedfs.client.version>
        <hadoop.version>3.2.4</hadoop.version>
    </properties>

@@ -129,7 +129,7 @@
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-javadoc-plugin</artifactId>
-                <version>2.9.1</version>
+                <version>3.0.1</version>
                <executions>
                    <execution>
                        <id>attach-javadocs</id>
@@ -108,7 +108,7 @@
      </plugin>
      <plugin>
        <artifactId>maven-javadoc-plugin</artifactId>
-        <version>2.9.1</version>
+        <version>3.0.1</version>
        <executions>
          <execution>
            <id>attach-javadocs</id>
@@ -124,7 +124,7 @@
    <dependency>
      <groupId>org.apache.hadoop</groupId>
      <artifactId>hadoop-client</artifactId>
-      <version>3.2.3</version>
+      <version>3.2.4</version>
      <scope>provided</scope>
      <exclusions>
        <exclusion>
@@ -156,7 +156,7 @@
    <dependency>
      <groupId>org.apache.hadoop</groupId>
      <artifactId>hadoop-common</artifactId>
-      <version>3.2.3</version>
+      <version>3.2.4</version>
      <scope>provided</scope>
      <exclusions>
        <exclusion>
@@ -224,8 +224,8 @@
          <groupId>com.sun.jersey</groupId>
        </exclusion>
        <exclusion>
-          <artifactId>log4j</artifactId>
-          <groupId>log4j</groupId>
+          <artifactId>reload4j</artifactId>
+          <groupId>ch.qos.reload4j</groupId>
        </exclusion>
        <exclusion>
          <artifactId>commons-beanutils</artifactId>
@@ -244,7 +244,7 @@
          <groupId>org.apache.commons</groupId>
        </exclusion>
        <exclusion>
-          <artifactId>slf4j-log4j12</artifactId>
+          <artifactId>slf4j-reload4j</artifactId>
          <groupId>org.slf4j</groupId>
        </exclusion>
        <exclusion>
@@ -317,7 +317,7 @@
    </snapshotRepository>
  </distributionManagement>
  <properties>
-    <seaweedfs.client.version>3.13</seaweedfs.client.version>
-    <hadoop.version>3.2.3</hadoop.version>
+    <seaweedfs.client.version>3.30</seaweedfs.client.version>
+    <hadoop.version>3.2.4</hadoop.version>
  </properties>
 </project>
@@ -5,7 +5,7 @@
    <modelVersion>4.0.0</modelVersion>

    <properties>
-        <seaweedfs.client.version>3.13</seaweedfs.client.version>
+        <seaweedfs.client.version>3.30</seaweedfs.client.version>
        <hadoop.version>3.2.4</hadoop.version>
    </properties>

@@ -129,7 +129,7 @@
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-javadoc-plugin</artifactId>
-                <version>2.9.1</version>
+                <version>3.0.1</version>
                <executions>
                    <execution>
                        <id>attach-javadocs</id>
@@ -250,7 +250,7 @@ func (fo *FilerOptions) startFiler() {
 	if *fo.publicPort != 0 {
 		publicListeningAddress := util.JoinHostPort(*fo.bindIp, *fo.publicPort)
 		glog.V(0).Infoln("Start Seaweed filer server", util.Version(), "public at", publicListeningAddress)
-		publicListener, localPublicListner, e := util.NewIpAndLocalListeners(*fo.bindIp, *fo.publicPort, 0)
+		publicListener, localPublicListener, e := util.NewIpAndLocalListeners(*fo.bindIp, *fo.publicPort, 0)
 		if e != nil {
 			glog.Fatalf("Filer server public listener error on port %d:%v", *fo.publicPort, e)
 		}
@@ -259,9 +259,9 @@ func (fo *FilerOptions) startFiler() {
 				glog.Fatalf("Volume server fail to serve public: %v", e)
 			}
 		}()
-		if localPublicListner != nil {
+		if localPublicListener != nil {
 			go func() {
-				if e := http.Serve(localPublicListner, publicVolumeMux); e != nil {
+				if e := http.Serve(localPublicListener, publicVolumeMux); e != nil {
 					glog.Errorf("Volume server fail to serve public: %v", e)
 				}
 			}()
@@ -295,7 +295,7 @@ func (fo *FilerOptions) startFiler() {
 	if runtime.GOOS != "windows" {
 		localSocket := *fo.localSocket
 		if localSocket == "" {
-			localSocket = fmt.Sprintf("/tmp/seaweefs-filer-%d.sock", *fo.port)
+			localSocket = fmt.Sprintf("/tmp/seaweedfs-filer-%d.sock", *fo.port)
 		}
 		if err := os.Remove(localSocket); err != nil && !os.IsNotExist(err) {
 			glog.Fatalf("Failed to remove %s, error: %s", localSocket, err.Error())
@@ -31,21 +31,21 @@ var (
 )

 type CopyOptions struct {
-	include           *string
-	replication       *string
-	collection        *string
-	ttl               *string
-	diskType          *string
-	maxMB             *int
-	masterClient      *wdclient.MasterClient
-	concurrenctFiles  *int
-	concurrenctChunks *int
-	grpcDialOption    grpc.DialOption
-	masters           []string
-	cipher            bool
-	ttlSec            int32
-	checkSize         *bool
-	verbose           *bool
+	include          *string
+	replication      *string
+	collection       *string
+	ttl              *string
+	diskType         *string
+	maxMB            *int
+	masterClient     *wdclient.MasterClient
+	concurrentFiles  *int
+	concurrentChunks *int
+	grpcDialOption   grpc.DialOption
+	masters          []string
+	cipher           bool
+	ttlSec           int32
+	checkSize        *bool
+	verbose          *bool
 }

 func init() {
@@ -57,8 +57,8 @@ func init() {
 	copy.ttl = cmdFilerCopy.Flag.String("ttl", "", "time to live, e.g.: 1m, 1h, 1d, 1M, 1y")
 	copy.diskType = cmdFilerCopy.Flag.String("disk", "", "[hdd|ssd|<tag>] hard drive or solid state drive or any tag")
 	copy.maxMB = cmdFilerCopy.Flag.Int("maxMB", 4, "split files larger than the limit")
-	copy.concurrenctFiles = cmdFilerCopy.Flag.Int("c", 8, "concurrent file copy goroutines")
-	copy.concurrenctChunks = cmdFilerCopy.Flag.Int("concurrentChunks", 8, "concurrent chunk copy goroutines for each file")
+	copy.concurrentFiles = cmdFilerCopy.Flag.Int("c", 8, "concurrent file copy goroutines")
+	copy.concurrentChunks = cmdFilerCopy.Flag.Int("concurrentChunks", 8, "concurrent chunk copy goroutines for each file")
 	copy.checkSize = cmdFilerCopy.Flag.Bool("check.size", false, "copy when the target file size is different from the source file")
 	copy.verbose = cmdFilerCopy.Flag.Bool("verbose", false, "print out details during copying")
 }
@@ -141,7 +141,7 @@ func runCopy(cmd *Command, args []string) bool {
 		grace.SetupProfiling("filer.copy.cpu.pprof", "filer.copy.mem.pprof")
 	}

-	fileCopyTaskChan := make(chan FileCopyTask, *copy.concurrenctFiles)
+	fileCopyTaskChan := make(chan FileCopyTask, *copy.concurrentFiles)

 	go func() {
 		defer close(fileCopyTaskChan)
@@ -152,7 +152,7 @@ func runCopy(cmd *Command, args []string) bool {
 			}
 		}
 	}()
-	for i := 0; i < *copy.concurrenctFiles; i++ {
+	for i := 0; i < *copy.concurrentFiles; i++ {
 		waitGroup.Add(1)
 		go func() {
 			defer waitGroup.Done()
@@ -405,7 +405,7 @@ func (worker *FileCopyWorker) uploadFileInChunks(task FileCopyTask, f *os.File,

 	chunksChan := make(chan *filer_pb.FileChunk, chunkCount)

-	concurrentChunks := make(chan struct{}, *worker.options.concurrenctChunks)
+	concurrentChunks := make(chan struct{}, *worker.options.concurrentChunks)
 	var wg sync.WaitGroup
 	var uploadError error

@@ -9,7 +9,6 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/pb/remote_pb"
 	"github.com/seaweedfs/seaweedfs/weed/remote_storage"
 	"github.com/seaweedfs/seaweedfs/weed/replication/source"
-	"github.com/seaweedfs/seaweedfs/weed/s3api/s3_constants"
 	"github.com/seaweedfs/seaweedfs/weed/util"
 	"google.golang.org/protobuf/proto"
 	"math"
@@ -183,7 +182,7 @@ func (option *RemoteGatewayOptions) makeBucketedEventProcessor(filerSource *sour
 			if message.NewParentPath == option.bucketsDir {
 				return handleCreateBucket(message.NewEntry)
 			}
-			if strings.HasPrefix(message.NewParentPath, option.bucketsDir) && strings.Contains(message.NewParentPath, "/"+s3_constants.MultipartUploadsFolder+"/") {
+			if isMultipartUploadFile(message.NewParentPath, message.NewEntry.Name) {
 				return nil
 			}
 			if !filer.HasData(message.NewEntry) {
@@ -14,6 +14,7 @@ import (

 type RemoteSyncOptions struct {
 	filerAddress       *string
+	storageClass       *string
 	grpcDialOption     grpc.DialOption
 	readChunkFromFiler *bool
 	timeAgo            *time.Duration
@@ -45,6 +46,7 @@ func init() {
 	cmdFilerRemoteSynchronize.Run = runFilerRemoteSynchronize // break init cycle
 	remoteSyncOptions.filerAddress = cmdFilerRemoteSynchronize.Flag.String("filer", "localhost:8888", "filer of the SeaweedFS cluster")
 	remoteSyncOptions.dir = cmdFilerRemoteSynchronize.Flag.String("dir", "", "a mounted directory on filer")
+	remoteSyncOptions.storageClass = cmdFilerRemoteSynchronize.Flag.String("storageClass", "", "override amz storage class, empty to delete")
 	remoteSyncOptions.readChunkFromFiler = cmdFilerRemoteSynchronize.Flag.Bool("filerProxy", false, "read file chunks from filer instead of volume servers")
 	remoteSyncOptions.timeAgo = cmdFilerRemoteSynchronize.Flag.Duration("timeAgo", 0, "start time before now, skipping previous metadata changes. \"300ms\", \"1.5h\" or \"2h45m\". Valid time units are \"ns\", \"us\" (or \"µs\"), \"ms\", \"s\", \"m\", \"h\"")
 	remoteSyncOptions.clientId = util.RandomInt32()
@@ -3,6 +3,7 @@ package command
 import (
 	"context"
 	"fmt"
+	"github.com/seaweedfs/seaweedfs/weed/s3api/s3_constants"
 	"os"
 	"strings"
 	"time"
@@ -36,6 +37,16 @@ func followUpdatesAndUploadToRemote(option *RemoteSyncOptions, filerSource *sour

 	var lastLogTsNs = time.Now().UnixNano()
 	processEventFnWithOffset := pb.AddOffsetFunc(func(resp *filer_pb.SubscribeMetadataResponse) error {
+		if resp.EventNotification.NewEntry != nil {
+			if *option.storageClass == "" {
+				if _, ok := resp.EventNotification.NewEntry.Extended[s3_constants.AmzStorageClass]; ok {
+					delete(resp.EventNotification.NewEntry.Extended, s3_constants.AmzStorageClass)
+				}
+			} else {
+				resp.EventNotification.NewEntry.Extended[s3_constants.AmzStorageClass] = []byte(*option.storageClass)
+			}
+		}
+
 		processor.AddSyncJob(resp)
 		return nil
 	}, 3*time.Second, func(counter int64, lastTsNs int64) error {
@@ -107,6 +118,9 @@ func makeEventProcessor(remoteStorage *remote_pb.RemoteConf, mountedDir string,
 			return nil
 		}
 		if filer_pb.IsCreate(resp) {
+			if isMultipartUploadFile(message.NewParentPath, message.NewEntry.Name) {
+				return nil
+			}
 			if !filer.HasData(message.NewEntry) {
 				return nil
 			}
@@ -156,7 +170,9 @@ func makeEventProcessor(remoteStorage *remote_pb.RemoteConf, mountedDir string,
 			glog.V(2).Infof("update: %+v", resp)
 			glog.V(0).Infof("delete %s", remote_storage.FormatLocation(oldDest))
 			if err := client.DeleteFile(oldDest); err != nil {
-				return err
+				if isMultipartUploadFile(resp.Directory, message.OldEntry.Name) {
+					return nil
+				}
 			}
 			remoteEntry, writeErr := retriedWriteFile(client, filerSource, message.NewEntry, dest)
 			if writeErr != nil {
@@ -247,3 +263,9 @@ func updateLocalEntry(filerClient filer_pb.FilerClient, dir string, entry *filer
 		return err
 	})
 }
+
+func isMultipartUploadFile(dir string, name string) bool {
+	return strings.HasPrefix(dir, "/buckets/") &&
+		strings.Contains(dir, "/"+s3_constants.MultipartUploadsFolder+"/") &&
+		strings.HasSuffix(name, ".part")
+}
@@ -50,8 +50,8 @@ type SyncOptions struct {
 }

 const (
-	SyncKeyPrefix         = "sync."
-	DefaultConcurrcyLimit = 32
+	SyncKeyPrefix           = "sync."
+	DefaultConcurrencyLimit = 32
 )

 var (
@@ -83,7 +83,7 @@ func init() {
 	syncOptions.bDebug = cmdFilerSynchronize.Flag.Bool("b.debug", false, "debug mode to print out filer B received files")
 	syncOptions.aFromTsMs = cmdFilerSynchronize.Flag.Int64("a.fromTsMs", 0, "synchronization from timestamp on filer A. The unit is millisecond")
 	syncOptions.bFromTsMs = cmdFilerSynchronize.Flag.Int64("b.fromTsMs", 0, "synchronization from timestamp on filer B. The unit is millisecond")
-	syncOptions.concurrency = cmdFilerSynchronize.Flag.Int("concurrency", DefaultConcurrcyLimit, "The maximum number of files that will be synced concurrently.")
+	syncOptions.concurrency = cmdFilerSynchronize.Flag.Int("concurrency", DefaultConcurrencyLimit, "The maximum number of files that will be synced concurrently.")
 	syncCpuProfile = cmdFilerSynchronize.Flag.String("cpuprofile", "", "cpu profile output file")
 	syncMemProfile = cmdFilerSynchronize.Flag.String("memprofile", "", "memory profile output file")
 	syncOptions.metricsHttpPort = cmdFilerSynchronize.Flag.Int("metricsPort", 0, "metrics listen port")
@@ -262,8 +262,8 @@ func doSubscribeFilerMetaChanges(clientId int32, clientEpoch int32, grpcDialOpti
 	}

 	if concurrency < 0 || concurrency > 1024 {
-		glog.Warningf("invalid concurrency value, using default: %d", DefaultConcurrcyLimit)
-		concurrency = DefaultConcurrcyLimit
+		glog.Warningf("invalid concurrency value, using default: %d", DefaultConcurrencyLimit)
+		concurrency = DefaultConcurrencyLimit
 	}
 	processor := NewMetadataProcessor(processEventFn, concurrency)

@@ -54,7 +54,7 @@ func (t *MetadataProcessor) AddSyncJob(resp *filer_pb.SubscribeMetadataResponse)

 		// if is the oldest job, write down the watermark
 		isOldest := true
-		for t, _ := range t.activeJobs {
+		for t := range t.activeJobs {
 			if resp.TsNs > t {
 				isOldest = false
 				break
@@ -47,7 +47,10 @@ func runFuse(cmd *Command, args []string) bool {
 			for i++; i < rawArgsLen && rawArgs[i] != ' '; i++ {
 				option.WriteByte(rawArgs[i])
 			}
-			options = append(options, parameter{option.String(), "true"})
+			// ignore "-o"
+			if option.String() != "o" {
+				options = append(options, parameter{option.String(), "true"})
+			}
 			option.Reset()

 			// equal separator start option with pending value
@@ -190,6 +193,12 @@ func runFuse(cmd *Command, args []string) bool {
 			}
 		case "fusermount.path":
 			fusermountPath = parameter.value
+		default:
+			t := parameter.name
+			if parameter.value != "true" {
+				t = fmt.Sprintf("%s=%s", parameter.name, parameter.value)
+			}
+			mountOptions.extraOptions = append(mountOptions.extraOptions, t)
 		}
 	}

@@ -2,6 +2,7 @@ package command

 import (
 	"fmt"
+	hashicorpRaft "github.com/hashicorp/raft"
 	"net/http"
 	"os"
 	"path"
@@ -146,7 +147,7 @@ func startMaster(masterOption MasterOptions, masterWhiteList []string) {
 	ms := weed_server.NewMasterServer(r, masterOption.toMasterOption(masterWhiteList), masterPeers)
 	listeningAddress := util.JoinHostPort(*masterOption.ipBind, *masterOption.port)
 	glog.V(0).Infof("Start Seaweed Master %s at %s", util.Version(), listeningAddress)
-	masterListener, masterLocalListner, e := util.NewIpAndLocalListeners(*masterOption.ipBind, *masterOption.port, 0)
+	masterListener, masterLocalListener, e := util.NewIpAndLocalListeners(*masterOption.ipBind, *masterOption.port, 0)
 	if e != nil {
 		glog.Fatalf("Master startup error: %v", e)
 	}
@@ -239,8 +240,8 @@ func startMaster(masterOption MasterOptions, masterWhiteList []string) {
 	}

 	httpS := &http.Server{Handler: r}
-	if masterLocalListner != nil {
-		go httpS.Serve(masterLocalListner)
+	if masterLocalListener != nil {
+		go httpS.Serve(masterLocalListener)
 	}

 	if useMTLS {
@@ -253,6 +254,13 @@ func startMaster(masterOption MasterOptions, masterWhiteList []string) {
 		go httpS.Serve(masterListener)
 	}

+	grace.OnInterrupt(ms.Shutdown)
+	grace.OnInterrupt(grpcS.GracefulStop)
+	grace.OnReload(func() {
+		if ms.Topo.HashicorpRaft != nil && ms.Topo.HashicorpRaft.State() == hashicorpRaft.Leader {
+			ms.Topo.HashicorpRaft.LeadershipTransfer()
+		}
+	})
 	select {}
 }

@@ -120,7 +120,7 @@ func startMasterFollower(masterOptions MasterOptions) {
 	ms := weed_server.NewMasterServer(r, option, masters)
 	listeningAddress := util.JoinHostPort(*masterOptions.ipBind, *masterOptions.port)
 	glog.V(0).Infof("Start Seaweed Master %s at %s", util.Version(), listeningAddress)
-	masterListener, masterLocalListner, e := util.NewIpAndLocalListeners(*masterOptions.ipBind, *masterOptions.port, 0)
+	masterListener, masterLocalListener, e := util.NewIpAndLocalListeners(*masterOptions.ipBind, *masterOptions.port, 0)
 	if e != nil {
 		glog.Fatalf("Master startup error: %v", e)
 	}
@@ -144,8 +144,8 @@ func startMasterFollower(masterOptions MasterOptions) {

 	// start http server
 	httpS := &http.Server{Handler: r}
-	if masterLocalListner != nil {
-		go httpS.Serve(masterLocalListner)
+	if masterLocalListener != nil {
+		go httpS.Serve(masterLocalListener)
 	}
 	go httpS.Serve(masterListener)

@@ -31,6 +31,7 @@ type MountOptions struct {
 	debugPort          *int
 	localSocket        *string
 	disableXAttr       *bool
+	extraOptions       []string
 }

 var (
@@ -107,7 +107,7 @@ func RunMount(option *MountOptions, umask os.FileMode) bool {
 		if mountDirHash < 0 {
 			mountDirHash = -mountDirHash
 		}
-		*option.localSocket = fmt.Sprintf("/tmp/seaweefs-mount-%d.sock", mountDirHash)
+		*option.localSocket = fmt.Sprintf("/tmp/seaweedfs-mount-%d.sock", mountDirHash)
 	}
 	if err := os.Remove(*option.localSocket); err != nil && !os.IsNotExist(err) {
 		glog.Fatalf("Failed to remove %s, error: %s", *option.localSocket, err.Error())
@@ -166,7 +166,7 @@ func RunMount(option *MountOptions, umask os.FileMode) bool {
 	// mount fuse
 	fuseMountOptions := &fuse.MountOptions{
 		AllowOther:               *option.allowOthers,
-		Options:                  nil,
+		Options:                  option.extraOptions,
 		MaxBackground:            128,
 		MaxWrite:                 1024 * 1024 * 2,
 		MaxReadAhead:             1024 * 1024 * 2,
@@ -57,6 +57,7 @@ func init() {
 	s3StandaloneOptions.metricsHttpPort = cmdS3.Flag.Int("metricsPort", 0, "Prometheus metrics listen port")
 	s3StandaloneOptions.allowEmptyFolder = cmdS3.Flag.Bool("allowEmptyFolder", true, "allow empty folders")
 	s3StandaloneOptions.allowDeleteBucketNotEmpty = cmdS3.Flag.Bool("allowDeleteBucketNotEmpty", true, "allow recursive deleting all entries along with bucket")
+	s3StandaloneOptions.localFilerSocket = cmdS3.Flag.String("localFilerSocket", "", "local filer socket path")
 }

 var cmdS3 = &Command{
@@ -214,7 +215,7 @@ func (s3opt *S3Options) startS3Server() bool {
 	}

 	listenAddress := fmt.Sprintf("%s:%d", *s3opt.bindIp, *s3opt.port)
-	s3ApiListener, s3ApiLocalListner, err := util.NewIpAndLocalListeners(*s3opt.bindIp, *s3opt.port, time.Duration(10)*time.Second)
+	s3ApiListener, s3ApiLocalListener, err := util.NewIpAndLocalListeners(*s3opt.bindIp, *s3opt.port, time.Duration(10)*time.Second)
 	if err != nil {
 		glog.Fatalf("S3 API Server listener on %s error: %v", listenAddress, err)
 	}
@@ -242,9 +243,9 @@ func (s3opt *S3Options) startS3Server() bool {

 	if *s3opt.tlsPrivateKey != "" {
 		glog.V(0).Infof("Start Seaweed S3 API Server %s at https port %d", util.Version(), *s3opt.port)
-		if s3ApiLocalListner != nil {
+		if s3ApiLocalListener != nil {
 			go func() {
-				if err = httpS.ServeTLS(s3ApiLocalListner, *s3opt.tlsCertificate, *s3opt.tlsPrivateKey); err != nil {
+				if err = httpS.ServeTLS(s3ApiLocalListener, *s3opt.tlsCertificate, *s3opt.tlsPrivateKey); err != nil {
 					glog.Fatalf("S3 API Server Fail to serve: %v", err)
 				}
 			}()
@@ -254,9 +255,9 @@ func (s3opt *S3Options) startS3Server() bool {
 		}
 	} else {
 		glog.V(0).Infof("Start Seaweed S3 API Server %s at http port %d", util.Version(), *s3opt.port)
-		if s3ApiLocalListner != nil {
+		if s3ApiLocalListener != nil {
 			go func() {
-				if err = httpS.Serve(s3ApiLocalListner); err != nil {
+				if err = httpS.Serve(s3ApiLocalListener); err != nil {
 					glog.Fatalf("S3 API Server Fail to serve: %v", err)
 				}
 			}()
@@ -22,7 +22,7 @@ var cmdScaffold = &Command{
 		export WEED_MYSQL_PASSWORD=some_password
 	Environment variable rules:
 		* Prefix the variable name with "WEED_"
-		* Upppercase the reset of variable name.
+		* Uppercase the reset of variable name.
 		* Replace '.' with '_'

  `,
@@ -314,7 +314,7 @@ dialTimeOut = 10
 # To add path-specific filer store:
 #
 # 1. Add a name following the store type separated by a dot ".". E.g., cassandra.tmp
-# 2. Add a location configuraiton. E.g., location = "/tmp/"
+# 2. Add a location configuration. E.g., location = "/tmp/"
 # 3. Copy and customize all other configurations.
 #     Make sure they are not the same if using the same store type!
 # 4. Set enabled to true
@@ -10,7 +10,7 @@
 # send and receive filer updates for each file to an external message queue
 ####################################################
 [notification.log]
-# this is only for debugging perpose and does not work with "weed filer.replicate"
+# this is only for debugging purpose and does not work with "weed filer.replicate"
 enabled = false


@@ -92,10 +92,11 @@ func init() {
 	masterOptions.volumeSizeLimitMB = cmdServer.Flag.Uint("master.volumeSizeLimitMB", 30*1000, "Master stops directing writes to oversized volumes.")
 	masterOptions.volumePreallocate = cmdServer.Flag.Bool("master.volumePreallocate", false, "Preallocate disk space for volumes.")
 	masterOptions.defaultReplication = cmdServer.Flag.String("master.defaultReplication", "", "Default replication type if not specified.")
-	masterOptions.garbageThreshold = cmdServer.Flag.Float64("garbageThreshold", 0.3, "threshold to vacuum and reclaim spaces")
-	masterOptions.metricsAddress = cmdServer.Flag.String("metrics.address", "", "Prometheus gateway address")
-	masterOptions.metricsIntervalSec = cmdServer.Flag.Int("metrics.intervalSeconds", 15, "Prometheus push interval in seconds")
-	masterOptions.raftResumeState = cmdServer.Flag.Bool("resumeState", false, "resume previous state on start master server")
+	masterOptions.garbageThreshold = cmdServer.Flag.Float64("master.garbageThreshold", 0.3, "threshold to vacuum and reclaim spaces")
+	masterOptions.metricsAddress = cmdServer.Flag.String("master.metrics.address", "", "Prometheus gateway address")
+	masterOptions.metricsIntervalSec = cmdServer.Flag.Int("master.metrics.intervalSeconds", 15, "Prometheus push interval in seconds")
+	masterOptions.raftResumeState = cmdServer.Flag.Bool("master.resumeState", false, "resume previous state on start master server")
+	masterOptions.raftHashicorp = cmdServer.Flag.Bool("master.raftHashicorp", false, "use hashicorp raft")
 	masterOptions.heartbeatInterval = cmdServer.Flag.Duration("master.heartbeatInterval", 300*time.Millisecond, "heartbeat interval of master servers, and will be randomly multiplied by [1, 1.25)")
 	masterOptions.electionTimeout = cmdServer.Flag.Duration("master.electionTimeout", 10*time.Second, "election timeout of master servers")

@@ -130,8 +131,9 @@ func init() {
 	serverOptions.v.preStopSeconds = cmdServer.Flag.Int("volume.preStopSeconds", 10, "number of seconds between stop send heartbeats and stop volume server")
 	serverOptions.v.pprof = cmdServer.Flag.Bool("volume.pprof", false, "enable pprof http handlers. precludes --memprofile and --cpuprofile")
 	serverOptions.v.idxFolder = cmdServer.Flag.String("volume.dir.idx", "", "directory to store .idx files")
-	serverOptions.v.enableTcp = cmdServer.Flag.Bool("volume.tcp", false, "<exprimental> enable tcp port")
 	serverOptions.v.inflightUploadDataTimeout = cmdServer.Flag.Duration("volume.inflightUploadDataTimeout", 60*time.Second, "inflight upload data wait timeout of volume servers")
+	serverOptions.v.hasSlowRead = cmdServer.Flag.Bool("volume.hasSlowRead", false, "<experimental> if true, this prevents slow reads from blocking other requests, but large file read P99 latency will increase.")
+	serverOptions.v.readBufferSizeMB = cmdServer.Flag.Int("volume.readBufferSizeMB", 4, "<experimental> larger values can optimize query performance but will increase some memory usage,Use with hasSlowRead normally")

 	s3Options.port = cmdServer.Flag.Int("s3.port", 8333, "s3 server http listen port")
 	s3Options.portGrpc = cmdServer.Flag.Int("s3.port.grpc", 0, "s3 server grpc listen port")
@@ -52,7 +52,7 @@ type githubError struct {
 	Message string
 }

-//default version is not full version
+// default version is not full version
 var isFullVersion = false

 var (
@@ -69,7 +69,7 @@ func init() {
 	path, _ := os.Executable()
 	_, name := filepath.Split(path)
 	updateOpt.dir = cmdUpdate.Flag.String("dir", filepath.Dir(path), "directory to save new weed.")
-	updateOpt.name = cmdUpdate.Flag.String("name", name, "name of new weed. On windows, name shouldn't be same to the orignial name.")
+	updateOpt.name = cmdUpdate.Flag.String("name", name, "name of new weed. On windows, name shouldn't be same to the original name.")
 	updateOpt.Version = cmdUpdate.Flag.String("version", "0", "specific version of weed you want to download. If not specified, get the latest version.")
 	cmdUpdate.Run = runUpdate
 }
@@ -101,7 +101,7 @@ func runUpdate(cmd *Command, args []string) bool {

 	if runtime.GOOS == "windows" {
 		if target == path {
-			glog.Fatalf("On windows, name of the new weed shouldn't be same to the orignial name.")
+			glog.Fatalf("On windows, name of the new weed shouldn't be same to the original name.")
 			return false
 		}
 	}
@@ -3,7 +3,7 @@

 package command

-//set true if gtags are set
+// set true if gtags are set
 func init() {
 	isFullVersion = true
 }
@@ -65,8 +65,9 @@ type VolumeServerOptions struct {
 	preStopSeconds            *int
 	metricsHttpPort           *int
 	// pulseSeconds          *int
-	enableTcp                 *bool
 	inflightUploadDataTimeout *time.Duration
+	hasSlowRead               *bool
+	readBufferSizeMB          *int
 }

 func init() {
@@ -96,8 +97,9 @@ func init() {
 	v.pprof = cmdVolume.Flag.Bool("pprof", false, "enable pprof http handlers. precludes --memprofile and --cpuprofile")
 	v.metricsHttpPort = cmdVolume.Flag.Int("metricsPort", 0, "Prometheus metrics listen port")
 	v.idxFolder = cmdVolume.Flag.String("dir.idx", "", "directory to store .idx files")
-	v.enableTcp = cmdVolume.Flag.Bool("tcp", false, "<experimental> enable tcp port")
 	v.inflightUploadDataTimeout = cmdVolume.Flag.Duration("inflightUploadDataTimeout", 60*time.Second, "inflight upload data wait timeout of volume servers")
+	v.hasSlowRead = cmdVolume.Flag.Bool("hasSlowRead", false, "<experimental> if true, this prevents slow reads from blocking other requests, but large file read P99 latency will increase.")
+	v.readBufferSizeMB = cmdVolume.Flag.Int("readBufferSizeMB", 4, "<experimental> larger values can optimize query performance but will increase some memory usage,Use with hasSlowRead normally.")
 }

 var cmdVolume = &Command{
@@ -245,6 +247,8 @@ func (v VolumeServerOptions) startVolumeServer(volumeFolders, maxVolumeCounts, v
 		int64(*v.concurrentUploadLimitMB)*1024*1024,
 		int64(*v.concurrentDownloadLimitMB)*1024*1024,
 		*v.inflightUploadDataTimeout,
+		*v.hasSlowRead,
+		*v.readBufferSizeMB,
 	)
 	// starting grpc server
 	grpcS := v.startGrpcService(volumeServer)
@@ -258,14 +262,11 @@ func (v VolumeServerOptions) startVolumeServer(volumeFolders, maxVolumeCounts, v
 		}
 	}

-	// starting tcp server
-	if *v.enableTcp {
-		go v.startTcpService(volumeServer)
-	}
-
 	// starting the cluster http server
 	clusterHttpServer := v.startClusterHttpService(volumeMux)

+	grace.OnReload(volumeServer.LoadNewVolumes)
+
 	stopChan := make(chan bool)
 	grace.OnInterrupt(func() {
 		fmt.Println("volume server has been killed")
@@ -388,22 +389,3 @@ func (v VolumeServerOptions) startClusterHttpService(handler http.Handler) httpd
 	}()
 	return clusterHttpServer
 }
-
-func (v VolumeServerOptions) startTcpService(volumeServer *weed_server.VolumeServer) {
-	listeningAddress := util.JoinHostPort(*v.bindIp, *v.port+20000)
-	glog.V(0).Infoln("Start Seaweed volume server", util.Version(), "tcp at", listeningAddress)
-	listener, e := util.NewListener(listeningAddress, 0)
-	if e != nil {
-		glog.Fatalf("Volume server listener error on %s:%v", listeningAddress, e)
-	}
-	defer listener.Close()
-
-	for {
-		c, err := listener.Accept()
-		if err != nil {
-			fmt.Println(err)
-			return
-		}
-		go volumeServer.HandleTcpConnection(c)
-	}
-}
@@ -66,8 +66,8 @@ func (store *ArangodbStore) Initialize(configuration util.Configuration, prefix
 }

 func (store *ArangodbStore) connection(uris []string, user string, pass string, insecure bool) (err error) {
-	ctx, _ := context.WithTimeout(context.Background(), 10*time.Second)
-
+	ctx, cn := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cn()
 	store.connect, err = http.NewConnection(http.ConnectionConfig{
 		Endpoints: uris,
 		TLSConfig: &tls.Config{
@@ -274,10 +274,10 @@ func (store *ArangodbStore) DeleteFolderChildren(ctx context.Context, fullpath u
 	for d in %s
 	filter starts_with(d.directory, "%s/")  || d.directory == "%s"
 	remove d._key in %s`,
-		targetCollection.Name(),
+		"`"+targetCollection.Name()+"`",
 		strings.Join(strings.Split(string(fullpath), "/"), ","),
 		string(fullpath),
-		targetCollection.Name(),
+		"`"+targetCollection.Name()+"`",
 	)
 	cur, err := store.database.Query(ctx, query, nil)
 	if err != nil {
@@ -296,7 +296,7 @@ func (store *ArangodbStore) ListDirectoryPrefixedEntries(ctx context.Context, di
 	if err != nil {
 		return lastFileName, err
 	}
-	query := "for d in " + targetCollection.Name()
+	query := "for d in " + "`" + targetCollection.Name() + "`"
 	if includeStartFile {
 		query = query + " filter d.name >= \"" + startFileName + "\" "
 	} else {
@@ -12,7 +12,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/util"
 )

-//convert a string into arango-key safe hex bytes hash
+// convert a string into arango-key safe hex bytes hash
 func hashString(dir string) string {
 	h := md5.New()
 	io.WriteString(h, dir)
@@ -98,8 +98,26 @@ func (store *ArangodbStore) ensureBucket(ctx context.Context, bucket string) (bc
 	return store.buckets[bucket], nil
 }

+// transform to an arango compliant name
+func bucketToCollectionName(s string) string {
+	if len(s) == 0 {
+		return ""
+	}
+	// replace all "." with _
+	s = strings.ReplaceAll(s, ".", "_")
+
+	// if starts with number or '.' then add a special prefix
+	if (s[0] >= '0' && s[0] <= '9') || (s[0] == '.' || s[0] == '_' || s[0] == '-') {
+		s = "xN--" + s
+	}
+	return s
+}
+
 // creates collection if not exist, ensures indices if not exist
-func (store *ArangodbStore) ensureCollection(ctx context.Context, name string) (c driver.Collection, err error) {
+func (store *ArangodbStore) ensureCollection(ctx context.Context, bucket_name string) (c driver.Collection, err error) {
+	// convert the bucket to collection name
+	name := bucketToCollectionName(bucket_name)
+
 	ok, err := store.database.CollectionExists(ctx, name)
 	if err != nil {
 		return
@@ -22,6 +22,39 @@ i test using this dev database:
 `docker run -p 8529:8529 -e ARANGO_ROOT_PASSWORD=test arangodb/arangodb:3.9.0`


+
+## database structure
+
+
+arangodb has a few restrictions which require the use of a few tricks in order to losslessly store the data.
+
+### filer store
+
+arangodb does not support []byte, and will store such as a uint64 array. this would be a waste of space. to counteract this, we store the data as a length prefixed uint64 byteset.
+
+### filer kv
+
+same as above
+
+### filer buckets
+
+s3 buckets are implemented through arangodb collection. this allows us to do very fast bucket deletion by simply deleting the collection
+
+
+arangodb collection name rules is character set `azAZ09_-` with a 256 character max. however the first character must be a letter.
+
+
+s3 bucket name rule is the set `azAZ09.-` with a 63 characters max.
+
+the rules for collection names is then the following:
+
+1. if the bucket name is a valid arangodb collection name, then nothing is done.
+2. if the bucket name contains a ".", the "." is replaced with "_"
+3. if the bucket name now begins with a number or "_", the prefix "xN--" is prepended to the collection name
+
+this allows for these collection names to be used.
+
+
 ## features i don't personally need but are missing
 [ ] provide tls cert to arango
 [ ] authentication that is not basic auth
@@ -1,9 +1,7 @@
 /*
-
 Package elastic is for elastic filer store.

 The referenced "github.com/olivere/elastic/v7" library is too big when compiled.
 So this is only compiled in "make full_install".
-
 */
 package elastic
@@ -109,6 +109,7 @@ func FromPbEntryToExistingEntry(message *filer_pb.Entry, fsEntry *Entry) {
 	fsEntry.Content = message.Content
 	fsEntry.Remote = message.RemoteEntry
 	fsEntry.Quota = message.Quota
+	fsEntry.FileSize = FileSize(message)
 }

 func (entry *Entry) ToProtoFullEntry() *filer_pb.FullEntry {
@@ -169,24 +169,30 @@ func retriedStreamFetchChunkData(writer io.Writer, urlStrings []string, cipherKe

 	for waitTime := time.Second; waitTime < util.RetryWaitTime; waitTime += waitTime / 2 {
 		for _, urlString := range urlStrings {
-			var localProcesed int
+			var localProcessed int
+			var writeErr error
 			shouldRetry, err = util.ReadUrlAsStream(urlString+"?readDeleted=true", cipherKey, isGzipped, isFullChunk, offset, size, func(data []byte) {
-				if totalWritten > localProcesed {
-					toBeSkipped := totalWritten - localProcesed
+				if totalWritten > localProcessed {
+					toBeSkipped := totalWritten - localProcessed
 					if len(data) <= toBeSkipped {
-						localProcesed += len(data)
+						localProcessed += len(data)
 						return // skip if already processed
 					}
 					data = data[toBeSkipped:]
-					localProcesed += toBeSkipped
+					localProcessed += toBeSkipped
 				}
-				writer.Write(data)
-				localProcesed += len(data)
-				totalWritten += len(data)
+				var writtenCount int
+				writtenCount, writeErr = writer.Write(data)
+				localProcessed += writtenCount
+				totalWritten += writtenCount
 			})
 			if !shouldRetry {
 				break
 			}
+			if writeErr != nil {
+				err = writeErr
+				break
+			}
 			if err != nil {
 				glog.V(0).Infof("read %s failed, err: %v", urlString, err)
 			} else {
@@ -178,7 +178,7 @@ func (f *Filer) CreateEntry(ctx context.Context, entry *Entry, o_excl bool, isFr

 		if !skipCreateParentDir {
 			dirParts := strings.Split(string(entry.FullPath), "/")
-			if err := f.ensureParentDirecotryEntry(ctx, entry, dirParts, len(dirParts)-1, isFromOtherCluster); err != nil {
+			if err := f.ensureParentDirectoryEntry(ctx, entry, dirParts, len(dirParts)-1, isFromOtherCluster); err != nil {
 				return err
 			}
 		}
@@ -209,7 +209,7 @@ func (f *Filer) CreateEntry(ctx context.Context, entry *Entry, o_excl bool, isFr
 	return nil
 }

-func (f *Filer) ensureParentDirecotryEntry(ctx context.Context, entry *Entry, dirParts []string, level int, isFromOtherCluster bool) (err error) {
+func (f *Filer) ensureParentDirectoryEntry(ctx context.Context, entry *Entry, dirParts []string, level int, isFromOtherCluster bool) (err error) {

 	if level == 0 {
 		return nil
@@ -226,7 +226,7 @@ func (f *Filer) ensureParentDirecotryEntry(ctx context.Context, entry *Entry, di
 	if dirEntry == nil {

 		// ensure parent directory
-		if err = f.ensureParentDirecotryEntry(ctx, entry, dirParts, level-1, isFromOtherCluster); err != nil {
+		if err = f.ensureParentDirectoryEntry(ctx, entry, dirParts, level-1, isFromOtherCluster); err != nil {
 			return err
 		}

@@ -21,7 +21,7 @@ const (
 	DirectoryEtcSeaweedFS = "/etc/seaweedfs"
 	DirectoryEtcRemote    = "/etc/remote"
 	FilerConfName         = "filer.conf"
-	IamConfigDirecotry    = "/etc/iam"
+	IamConfigDirectory    = "/etc/iam"
 	IamIdentityFile       = "identity.json"
 	IamPoliciesFile       = "policies.json"
 )
@@ -94,10 +94,10 @@ func (f *Filer) doDeleteFileIds(fileIds []string) {
 }

 func (f *Filer) DirectDeleteChunks(chunks []*filer_pb.FileChunk) {
-	var fildIdsToDelete []string
+	var fileIdsToDelete []string
 	for _, chunk := range chunks {
 		if !chunk.IsChunkManifest {
-			fildIdsToDelete = append(fildIdsToDelete, chunk.GetFileIdString())
+			fileIdsToDelete = append(fileIdsToDelete, chunk.GetFileIdString())
 			continue
 		}
 		dataChunks, manifestResolveErr := ResolveOneChunkManifest(f.MasterClient.LookupFileId, chunk)
@@ -105,12 +105,12 @@ func (f *Filer) DirectDeleteChunks(chunks []*filer_pb.FileChunk) {
 			glog.V(0).Infof("failed to resolve manifest %s: %v", chunk.FileId, manifestResolveErr)
 		}
 		for _, dChunk := range dataChunks {
-			fildIdsToDelete = append(fildIdsToDelete, dChunk.GetFileIdString())
+			fileIdsToDelete = append(fileIdsToDelete, dChunk.GetFileIdString())
 		}
-		fildIdsToDelete = append(fildIdsToDelete, chunk.GetFileIdString())
+		fileIdsToDelete = append(fileIdsToDelete, chunk.GetFileIdString())
 	}

-	f.doDeleteFileIds(fildIdsToDelete)
+	f.doDeleteFileIds(fileIdsToDelete)
 }

 func (f *Filer) DeleteChunks(chunks []*filer_pb.FileChunk) {
@@ -80,9 +80,9 @@ func (f *Filer) LoadFilerConf() {
 	f.FilerConf = fc
 }

-////////////////////////////////////
+// //////////////////////////////////
 // load and maintain remote storages
-////////////////////////////////////
+// //////////////////////////////////
 func (f *Filer) LoadRemoteStorageConfAndMapping() {
 	if err := f.RemoteStorage.LoadRemoteStorageConfigurationsAndMapping(f); err != nil {
 		glog.Errorf("read remote conf and mapping: %v", err)
@@ -63,7 +63,7 @@ func (store *PostgresStore2) initialize(createTable, upsertQuery string, enableU
 		sqlUrl += " host=" + hostname
 	}
 	if port != 0 {
-	  sqlUrl += " port=" + strconv.Itoa(port)
+		sqlUrl += " port=" + strconv.Itoa(port)
 	}
 	if sslmode != "" {
 		sqlUrl += " sslmode=" + sslmode
@@ -198,36 +198,45 @@ func (nl *ItemList) WriteName(name string) error {

 /*
 // case 1: exists in nextNode
-if nextNode != nil && nextNode.Key == name {
-	remove from nextNode, update nextNode
-	// TODO: merge with prevNode if possible?
-	return
-}
+
+	if nextNode != nil && nextNode.Key == name {
+		remove from nextNode, update nextNode
+		// TODO: merge with prevNode if possible?
+		return
+	}
+
 if nextNode is nil
+
 	prevNode = list.Largestnode
+
 if prevNode == nil and nextNode.Prev != nil
+
 	prevNode = load(nextNode.Prev)

 // case 2: does not exist
 // case 2.1
-if prevNode == nil {
-	return
-}
+
+	if prevNode == nil {
+		return
+	}
+
 // case 2.2
-if prevNameBatch does not contain name {
-	return
-}
+
+	if prevNameBatch does not contain name {
+		return
+	}

 // case 3
 delete from prevNameBatch
 if prevNameBatch + nextNode < capacityList
+
 	// case 3.1
 	merge
+
 else
+
 	// case 3.2
 	update prevNode
-
-
 */
 func (nl *ItemList) DeleteName(name string) error {
 	lookupKey := []byte(name)
@@ -325,13 +334,13 @@ func (nl *ItemList) ListNames(startFrom string, visitNamesFn func(name string) b
 	}

 	if prevNode != nil {
-		if !nl.NodeScanIncluseiveAfter(prevNode.Reference(), startFrom, visitNamesFn) {
+		if !nl.NodeScanInclusiveAfter(prevNode.Reference(), startFrom, visitNamesFn) {
 			return nil
 		}
 	}

 	for nextNode != nil {
-		if !nl.NodeScanIncluseiveAfter(nextNode.Reference(), startFrom, visitNamesFn) {
+		if !nl.NodeScanInclusiveAfter(nextNode.Reference(), startFrom, visitNamesFn) {
 			return nil
 		}
 		nextNode, err = nl.skipList.LoadElement(nextNode.Next[0])
@@ -429,7 +438,7 @@ func (nl *ItemList) NodeMin(node *skiplist.SkipListElementReference) string {
 	return ""
 }

-func (nl *ItemList) NodeScanIncluseiveAfter(node *skiplist.SkipListElementReference, startFrom string, visitNamesFn func(name string) bool) bool {
+func (nl *ItemList) NodeScanInclusiveAfter(node *skiplist.SkipListElementReference, startFrom string, visitNamesFn func(name string) bool) bool {
 	key := fmt.Sprintf("%s%dm", nl.prefix, node.ElementPointer)
 	if startFrom == "" {
 		startFrom = "-"
@@ -10,7 +10,11 @@ import (
 )

 func ParseS3ConfigurationFromBytes[T proto.Message](content []byte, config T) error {
-	if err := jsonpb.Unmarshal(content, config); err != nil {
+	options := &jsonpb.UnmarshalOptions{
+		DiscardUnknown: true,
+		AllowPartial:   true,
+	}
+	if err := options.Unmarshal(content, config); err != nil {
 		return err
 	}
 	return nil
@@ -1,9 +1,7 @@
 /*
-
 Package sqlite is for sqlite filer store.

 The referenced "modernc.org/sqlite" library is too big when compiled.
 So this is only compiled in "make full_install".
-
 */
 package sqlite
@@ -1,9 +1,7 @@
 /*
-
 Package ydb is for YDB filer store.

 The referenced "github.com/ydb-platform/ydb-go-sdk/v3" library is too big when compiled.
 So this is only compiled in "make full_install".
-
 */
 package ydb
@@ -67,7 +67,6 @@
 //		"glob" pattern and N is a V level. For instance,
 //			-vmodule=gopher*=3
 //		sets the V level to 3 in all Go files whose names begin "gopher".
-//
 package glog

 import (
@@ -524,8 +523,11 @@ It returns a buffer containing the formatted header and the user's file and line
 The depth specifies how many stack frames above lives the source line to be identified in the log message.

 Log lines have this form:
+
 	Lmmdd hh:mm:ss.uuuuuu threadid file:line] msg...
+
 where the fields are defined as follows:
+
 	L                A single character, representing the log level (eg 'I' for INFO)
 	mm               The month (zero padded; ie May is '05')
 	dd               The day (zero padded)
@@ -986,9 +988,13 @@ type Verbose bool
 // The returned value is a boolean of type Verbose, which implements Info, Infoln
 // and Infof. These methods will write to the Info log if called.
 // Thus, one may write either
+//
 //	if glog.V(2) { glog.Info("log this") }
+//
 // or
+//
 //	glog.V(2).Info("log this")
+//
 // The second form is shorter but the first is cheaper if logging is off because it does
 // not evaluate its arguments.
 //
@@ -78,7 +78,7 @@ func (iama *IamApiServer) registerRouter(router *mux.Router) {
 func (iam IamS3ApiConfigure) GetS3ApiConfiguration(s3cfg *iam_pb.S3ApiConfiguration) (err error) {
 	var buf bytes.Buffer
 	err = pb.WithGrpcFilerClient(false, iam.option.Filer, iam.option.GrpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
-		if err = filer.ReadEntry(iam.masterClient, client, filer.IamConfigDirecotry, filer.IamIdentityFile, &buf); err != nil {
+		if err = filer.ReadEntry(iam.masterClient, client, filer.IamConfigDirectory, filer.IamIdentityFile, &buf); err != nil {
 			return err
 		}
 		return nil
@@ -101,7 +101,7 @@ func (iam IamS3ApiConfigure) PutS3ApiConfiguration(s3cfg *iam_pb.S3ApiConfigurat
 	}
 	return pb.WithGrpcFilerClient(false, iam.option.Filer, iam.option.GrpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
 		err = util.Retry("saveIamIdentity", func() error {
-			return filer.SaveInsideFiler(client, filer.IamConfigDirecotry, filer.IamIdentityFile, buf.Bytes())
+			return filer.SaveInsideFiler(client, filer.IamConfigDirectory, filer.IamIdentityFile, buf.Bytes())
 		})
 		if err != nil {
 			return err
@@ -113,7 +113,7 @@ func (iam IamS3ApiConfigure) PutS3ApiConfiguration(s3cfg *iam_pb.S3ApiConfigurat
 func (iam IamS3ApiConfigure) GetPolicies(policies *Policies) (err error) {
 	var buf bytes.Buffer
 	err = pb.WithGrpcFilerClient(false, iam.option.Filer, iam.option.GrpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
-		if err = filer.ReadEntry(iam.masterClient, client, filer.IamConfigDirecotry, filer.IamPoliciesFile, &buf); err != nil {
+		if err = filer.ReadEntry(iam.masterClient, client, filer.IamConfigDirectory, filer.IamPoliciesFile, &buf); err != nil {
 			return err
 		}
 		return nil
@@ -137,7 +137,7 @@ func (iam IamS3ApiConfigure) PutPolicies(policies *Policies) (err error) {
 		return err
 	}
 	return pb.WithGrpcFilerClient(false, iam.option.Filer, iam.option.GrpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
-		if err := filer.SaveInsideFiler(client, filer.IamConfigDirecotry, filer.IamPoliciesFile, b); err != nil {
+		if err := filer.SaveInsideFiler(client, filer.IamConfigDirectory, filer.IamPoliciesFile, b); err != nil {
 			return err
 		}
 		return nil
@@ -10,7 +10,7 @@ import (
 	"github.com/seaweedfs/goexif/exif"
 )

-//many code is copied from http://camlistore.org/pkg/images/images.go
+// many code is copied from http://camlistore.org/pkg/images/images.go
 func FixJpgOrientation(data []byte) (oriented []byte) {
 	ex, err := exif.Decode(bytes.NewReader(data))
 	if err != nil {
@@ -33,7 +33,7 @@ func newMemoryChunkPages(fh *FileHandle, chunkSize int64) *ChunkedDirtyPages {
 	swapFileDir := fh.wfs.option.getTempFilePageDir()

 	dirtyPages.uploadPipeline = page_writer.NewUploadPipeline(fh.wfs.concurrentWriters, chunkSize,
-		dirtyPages.saveChunkedFileIntevalToStorage, fh.wfs.option.ConcurrentWriters, swapFileDir)
+		dirtyPages.saveChunkedFileIntervalToStorage, fh.wfs.option.ConcurrentWriters, swapFileDir)

 	return dirtyPages
 }
@@ -65,7 +65,7 @@ func (pages *ChunkedDirtyPages) ReadDirtyDataAt(data []byte, startOffset int64)
 	return pages.uploadPipeline.MaybeReadDataAt(data, startOffset)
 }

-func (pages *ChunkedDirtyPages) saveChunkedFileIntevalToStorage(reader io.Reader, offset int64, size int64, cleanupFn func()) {
+func (pages *ChunkedDirtyPages) saveChunkedFileIntervalToStorage(reader io.Reader, offset int64, size int64, cleanupFn func()) {

 	mtime := time.Now().UnixNano()
 	defer cleanupFn()
@@ -1,6 +1,8 @@
 package mount

 import (
+	"golang.org/x/sync/semaphore"
+	"math"
 	"sync"

 	"golang.org/x/exp/slices"
@@ -28,17 +30,18 @@ type FileHandle struct {
 	reader         *filer.ChunkReadAt
 	contentType    string
 	handle         uint64
-	sync.Mutex
+	orderedMutex   *semaphore.Weighted

 	isDeleted bool
 }

 func newFileHandle(wfs *WFS, handleId FileHandleId, inode uint64, entry *filer_pb.Entry) *FileHandle {
 	fh := &FileHandle{
-		fh:      handleId,
-		counter: 1,
-		inode:   inode,
-		wfs:     wfs,
+		fh:           handleId,
+		counter:      1,
+		inode:        inode,
+		wfs:          wfs,
+		orderedMutex: semaphore.NewWeighted(int64(math.MaxInt64)),
 	}
 	// dirtyPages: newContinuousDirtyPages(file, writeOnly),
 	fh.dirtyPages = newPageWriter(fh, wfs.option.ChunkSizeLimit)
@@ -80,7 +80,7 @@ func (i *InodeToPath) Lookup(path util.FullPath, unixTime int64, isDirectory boo
 		}
 		if !isHardlink {
 			for _, found := i.inode2path[inode]; found; inode++ {
-				_, found = i.inode2path[inode]
+				_, found = i.inode2path[inode+1]
 			}
 		}
 	}
@@ -6,7 +6,7 @@ var (
 	_ = util.Configuration(&cacheConfig{})
 )

-// implementing util.Configuraion
+// implementing util.Configuration
 type cacheConfig struct {
 	dir string
 }
@@ -46,7 +46,7 @@ func SubscribeMetaEvents(mc *MetaCache, selfSignature int32, client filer_pb.Fil
 					mc.invalidateFunc(newKey, message.NewEntry)
 				}
 			} else if filer_pb.IsCreate(resp) {
-				// no need to invaalidate
+				// no need to invalidate
 			} else if filer_pb.IsDelete(resp) {
 				oldKey := util.NewFullPath(resp.Directory, message.OldEntry.Name)
 				mc.invalidateFunc(oldKey, message.OldEntry)
@@ -60,7 +60,7 @@ func SubscribeMetaEvents(mc *MetaCache, selfSignature int32, client filer_pb.Fil
 	var clientEpoch int32
 	util.RetryForever("followMetaUpdates", func() error {
 		clientEpoch++
-		return pb.WithFilerClientFollowMetadata(client, "mount", selfSignature, clientEpoch, dir, &lastTsNs, 0, selfSignature, processEventFn, pb.FatalOnError)
+		return pb.WithFilerClientFollowMetadata(client, "mount", selfSignature, clientEpoch, dir, nil, &lastTsNs, 0, selfSignature, processEventFn, pb.FatalOnError)
 	}, func(err error) bool {
 		glog.Errorf("follow metadata updates: %v", err)
 		return true
@@ -190,7 +190,7 @@ func (wfs *WFS) getCurrentFiler() pb.ServerAddress {
 }

 func (option *Option) setupUniqueCacheDirectory() {
-	cacheUniqueId := util.Md5String([]byte(option.MountDirectory + string(option.FilerAddresses[0]) + option.FilerMountRootPath + util.Version()))[0:8]
+	cacheUniqueId := util.Md5String([]byte(string(option.FilerAddresses[0]) + option.FilerMountRootPath + util.Version()))[0:8]
 	option.uniqueCacheDir = path.Join(option.CacheDir, cacheUniqueId)
 	option.uniqueCacheTempPageDir = filepath.Join(option.uniqueCacheDir, "swap")
 	os.MkdirAll(option.uniqueCacheTempPageDir, os.FileMode(0777)&^option.Umask)
@@ -1,6 +1,7 @@
 package mount

 import (
+	"context"
 	"net/http"

 	"github.com/hanwen/go-fuse/v2/fuse"
@@ -43,8 +44,8 @@ func (wfs *WFS) CopyFileRange(cancel <-chan struct{}, in *fuse.CopyFileRangeIn)
 	}

 	// lock source and target file handles
-	fhOut.Lock()
-	defer fhOut.Unlock()
+	fhOut.orderedMutex.Acquire(context.Background(), 1)
+	defer fhOut.orderedMutex.Release(1)
 	fhOut.entryLock.Lock()
 	defer fhOut.entryLock.Unlock()

@@ -53,8 +54,8 @@ func (wfs *WFS) CopyFileRange(cancel <-chan struct{}, in *fuse.CopyFileRangeIn)
 	}

 	if fhIn.fh != fhOut.fh {
-		fhIn.Lock()
-		defer fhIn.Unlock()
+		fhIn.orderedMutex.Acquire(context.Background(), 1)
+		defer fhIn.orderedMutex.Release(1)
 		fhIn.entryLock.Lock()
 		defer fhIn.entryLock.Unlock()
 	}
@@ -1,6 +1,7 @@
 package mount

 import (
+	"context"
 	"syscall"

 	"github.com/hanwen/go-fuse/v2/fuse"
@@ -35,8 +36,8 @@ func (wfs *WFS) Lseek(cancel <-chan struct{}, in *fuse.LseekIn, out *fuse.LseekO
 	}

 	// lock the file until the proper offset was calculated
-	fh.Lock()
-	defer fh.Unlock()
+	fh.orderedMutex.Acquire(context.Background(), 1)
+	defer fh.orderedMutex.Release(1)
 	fh.entryLock.Lock()
 	defer fh.entryLock.Unlock()

@@ -1,6 +1,7 @@
 package mount

 import (
+	"context"
 	"io"

 	"github.com/hanwen/go-fuse/v2/fuse"
@@ -39,8 +40,8 @@ func (wfs *WFS) Read(cancel <-chan struct{}, in *fuse.ReadIn, buff []byte) (fuse
 		return nil, fuse.ENOENT
 	}

-	fh.Lock()
-	defer fh.Unlock()
+	fh.orderedMutex.Acquire(context.Background(), 1)
+	defer fh.orderedMutex.Release(1)

 	offset := int64(in.Offset)
 	totalRead, err := readDataByFileHandle(buff, fh, offset)
@@ -55,8 +55,8 @@ func (wfs *WFS) Flush(cancel <-chan struct{}, in *fuse.FlushIn) fuse.Status {
 		return fuse.ENOENT
 	}

-	fh.Lock()
-	defer fh.Unlock()
+	fh.orderedMutex.Acquire(context.Background(), 1)
+	defer fh.orderedMutex.Release(1)

 	return wfs.doFlush(fh, in.Uid, in.Gid)
 }
@@ -87,8 +87,8 @@ func (wfs *WFS) Fsync(cancel <-chan struct{}, in *fuse.FsyncIn) (code fuse.Statu
 		return fuse.ENOENT
 	}

-	fh.Lock()
-	defer fh.Unlock()
+	fh.orderedMutex.Acquire(context.Background(), 1)
+	defer fh.orderedMutex.Release(1)

 	return wfs.doFlush(fh, in.Uid, in.Gid)

@@ -1,6 +1,7 @@
 package mount

 import (
+	"context"
 	"github.com/hanwen/go-fuse/v2/fuse"
 	"net/http"
 	"syscall"
@@ -45,8 +46,8 @@ func (wfs *WFS) Write(cancel <-chan struct{}, in *fuse.WriteIn, data []byte) (wr

 	fh.dirtyPages.writerPattern.MonitorWriteAt(int64(in.Offset), int(in.Size))

-	fh.Lock()
-	defer fh.Unlock()
+	fh.orderedMutex.Acquire(context.Background(), 1)
+	defer fh.orderedMutex.Release(1)

 	entry := fh.entry
 	if entry == nil {
@@ -60,18 +60,19 @@ func (wfs *WFS) GetXAttr(cancel <-chan struct{}, header *fuse.InHeader, attr str

 // SetXAttr writes an extended attribute.
 // https://man7.org/linux/man-pages/man2/setxattr.2.html
-//        By default (i.e., flags is zero), the extended attribute will be
-//       created if it does not exist, or the value will be replaced if
-//       the attribute already exists.  To modify these semantics, one of
-//       the following values can be specified in flags:
 //
-//       XATTR_CREATE
-//              Perform a pure create, which fails if the named attribute
-//              exists already.
+//	 By default (i.e., flags is zero), the extended attribute will be
+//	created if it does not exist, or the value will be replaced if
+//	the attribute already exists.  To modify these semantics, one of
+//	the following values can be specified in flags:
 //
-//       XATTR_REPLACE
-//              Perform a pure replace operation, which fails if the named
-//              attribute does not already exist.
+//	XATTR_CREATE
+//	       Perform a pure create, which fails if the named attribute
+//	       exists already.
+//
+//	XATTR_REPLACE
+//	       Perform a pure replace operation, which fails if the named
+//	       attribute does not already exist.
 func (wfs *WFS) SetXAttr(cancel <-chan struct{}, input *fuse.SetXAttrIn, attr string, data []byte) fuse.Status {

 	if wfs.option.DisableXAttr {
@@ -1,9 +1,7 @@
 /*
-
 Package gocdk_pub_sub is for Azure Service Bus and RabbitMQ.

 The referenced "gocloud.dev/pubsub" library is too big when compiled.
 So this is only compiled in "make full_install".
-
 */
 package gocdk_pub_sub
@@ -156,14 +156,15 @@ func doUpload(reader io.Reader, option *UploadOption) (uploadResult *UploadResul

 func retriedUploadData(data []byte, option *UploadOption) (uploadResult *UploadResult, err error) {
 	for i := 0; i < 3; i++ {
+		if i > 0 {
+			time.Sleep(time.Millisecond * time.Duration(237*(i+1)))
+		}
 		uploadResult, err = doUploadData(data, option)
 		if err == nil {
 			uploadResult.RetryCount = i
 			return
-		} else {
-			glog.Warningf("uploading %d to %s: %v", i, option.UploadUrl, err)
 		}
-		time.Sleep(time.Millisecond * time.Duration(237*(i+1)))
+		glog.Warningf("uploading %d to %s: %v", i, option.UploadUrl, err)
 	}
 	return
 }
@@ -342,6 +342,7 @@ message SubscribeMetadataRequest {
    int32 client_id = 7;
    int64 until_ns = 8;
    int32 client_epoch = 9;
+    repeated string directories = 10;  // exact directory to watch
 }
 message SubscribeMetadataResponse {
    string directory = 1;
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.28.0
-// 	protoc        v3.21.4
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.17.3
 // source: filer.proto

 package filer_pb
@@ -2812,6 +2812,7 @@ type SubscribeMetadataRequest struct {
 	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"`
+	Directories  []string `protobuf:"bytes,10,rep,name=directories,proto3" json:"directories,omitempty"` // exact directory to watch
 }

 func (x *SubscribeMetadataRequest) Reset() {
@@ -2902,6 +2903,13 @@ func (x *SubscribeMetadataRequest) GetClientEpoch() int32 {
 	return 0
 }

+func (x *SubscribeMetadataRequest) GetDirectories() []string {
+	if x != nil {
+		return x.Directories
+	}
+	return nil
+}
+
 type SubscribeMetadataResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -3231,9 +3239,9 @@ func (x *LocateBrokerResponse) GetResources() []*LocateBrokerResponse_Resource {
 	return nil
 }

-// ///////////////////////
+/////////////////////////
 // Key-Value operations
-// ///////////////////////
+/////////////////////////
 type KvGetRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -3438,9 +3446,9 @@ func (x *KvPutResponse) GetError() string {
 	return ""
 }

-// ///////////////////////
+/////////////////////////
 // path-based configurations
-// ///////////////////////
+/////////////////////////
 type FilerConf struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -3496,9 +3504,9 @@ func (x *FilerConf) GetLocations() []*FilerConf_PathConf {
 	return nil
 }

-// ///////////////////////
+/////////////////////////
 // Remote Storage related
-// ///////////////////////
+/////////////////////////
 type CacheRemoteObjectToLocalClusterRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -4165,7 +4173,7 @@ var file_filer_proto_rawDesc = []byte{
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+	0x6f, 0x33,
 }

 var (
@@ -55,9 +55,9 @@ func GetEntry(filerClient FilerClient, fullFilePath util.FullPath) (entry *Entry
 	return
 }

-type EachEntryFunciton func(entry *Entry, isLast bool) error
+type EachEntryFunction func(entry *Entry, isLast bool) error

-func ReadDirAllEntries(filerClient FilerClient, fullDirPath util.FullPath, prefix string, fn EachEntryFunciton) (err error) {
+func ReadDirAllEntries(filerClient FilerClient, fullDirPath util.FullPath, prefix string, fn EachEntryFunction) (err error) {

 	var counter uint32
 	var startFrom string
@@ -83,23 +83,23 @@ func ReadDirAllEntries(filerClient FilerClient, fullDirPath util.FullPath, prefi
 	return nil
 }

-func List(filerClient FilerClient, parentDirectoryPath, prefix string, fn EachEntryFunciton, startFrom string, inclusive bool, limit uint32) (err error) {
+func List(filerClient FilerClient, parentDirectoryPath, prefix string, fn EachEntryFunction, startFrom string, inclusive bool, limit uint32) (err error) {
 	return filerClient.WithFilerClient(false, func(client SeaweedFilerClient) error {
 		return doSeaweedList(client, util.FullPath(parentDirectoryPath), prefix, fn, startFrom, inclusive, limit)
 	})
 }

-func doList(filerClient FilerClient, fullDirPath util.FullPath, prefix string, fn EachEntryFunciton, startFrom string, inclusive bool, limit uint32) (err error) {
+func doList(filerClient FilerClient, fullDirPath util.FullPath, prefix string, fn EachEntryFunction, startFrom string, inclusive bool, limit uint32) (err error) {
 	return filerClient.WithFilerClient(false, func(client SeaweedFilerClient) error {
 		return doSeaweedList(client, fullDirPath, prefix, fn, startFrom, inclusive, limit)
 	})
 }

-func SeaweedList(client SeaweedFilerClient, parentDirectoryPath, prefix string, fn EachEntryFunciton, startFrom string, inclusive bool, limit uint32) (err error) {
+func SeaweedList(client SeaweedFilerClient, parentDirectoryPath, prefix string, fn EachEntryFunction, startFrom string, inclusive bool, limit uint32) (err error) {
 	return doSeaweedList(client, util.FullPath(parentDirectoryPath), prefix, fn, startFrom, inclusive, limit)
 }

-func doSeaweedList(client SeaweedFilerClient, fullDirPath util.FullPath, prefix string, fn EachEntryFunciton, startFrom string, inclusive bool, limit uint32) (err error) {
+func doSeaweedList(client SeaweedFilerClient, fullDirPath util.FullPath, prefix string, fn EachEntryFunction, startFrom string, inclusive bool, limit uint32) (err error) {
 	// Redundancy limit to make it correctly judge whether it is the last file.
 	redLimit := limit

@@ -11,6 +11,7 @@ import (

 // This is a compile-time assertion to ensure that this generated file
 // is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7

 // SeaweedFilerClient is the client API for SeaweedFiler service.
@@ -25,20 +25,16 @@ func FollowMetadata(filerAddress ServerAddress, grpcDialOption grpc.DialOption,
 	pathPrefix string, additionalPathPrefixes []string, lastTsNs int64, untilTsNs int64, selfSignature int32,
 	processEventFn ProcessMetadataFunc, eventErrorType EventErrorType) error {

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

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

-	err := filerClient.WithFilerClient(true, makeSubscribeMetadataFunc(clientName, clientId, clientEpoch, pathPrefix, nil, lastTsNs, untilTsNs, selfSignature, processEventFn, eventErrorType))
+	err := filerClient.WithFilerClient(true, makeSubscribeMetadataFunc(clientName, clientId, clientEpoch, pathPrefix, nil, directoriesToWatch, lastTsNs, untilTsNs, selfSignature, processEventFn, eventErrorType))
 	if err != nil {
 		return fmt.Errorf("subscribing filer meta change: %v", err)
 	}
@@ -46,7 +42,7 @@ func WithFilerClientFollowMetadata(filerClient filer_pb.FilerClient,
 	return nil
 }

-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 {
+func makeSubscribeMetadataFunc(clientName string, clientId int32, clientEpoch int32, pathPrefix string, additionalPathPrefixes []string, directoriesToWatch []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()
@@ -54,6 +50,7 @@ func makeSubscribeMetadataFunc(clientName string, clientId int32, clientEpoch in
 			ClientName:   clientName,
 			PathPrefix:   pathPrefix,
 			PathPrefixes: additionalPathPrefixes,
+			Directories:  directoriesToWatch,
 			SinceNs:      *lastTsNs,
 			Signature:    selfSignature,
 			ClientId:     clientId,
@@ -22,6 +22,7 @@ message Identity {
    string name = 1;
    repeated Credential credentials = 2;
    repeated string actions = 3;
+    string accountId = 4;
 }

 message Credential {
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.28.0
-// 	protoc        v3.21.4
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.17.3
 // source: iam.proto

 package iam_pb
@@ -75,6 +75,7 @@ type Identity struct {
 	Name        string        `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
 	Credentials []*Credential `protobuf:"bytes,2,rep,name=credentials,proto3" json:"credentials,omitempty"`
 	Actions     []string      `protobuf:"bytes,3,rep,name=actions,proto3" json:"actions,omitempty"`
+	AccountId   string        `protobuf:"bytes,4,opt,name=accountId,proto3" json:"accountId,omitempty"`
 }

 func (x *Identity) Reset() {
@@ -130,6 +131,13 @@ func (x *Identity) GetActions() []string {
 	return nil
 }

+func (x *Identity) GetAccountId() string {
+	if x != nil {
+		return x.AccountId
+	}
+	return ""
+}
+
 type Credential struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -193,26 +201,28 @@ var file_iam_proto_rawDesc = []byte{
 	0x69, 0x67, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x30, 0x0a, 0x0a, 0x69, 0x64, 0x65,
 	0x6e, 0x74, 0x69, 0x74, 0x69, 0x65, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x10, 0x2e,
 	0x69, 0x61, 0x6d, 0x5f, 0x70, 0x62, 0x2e, 0x49, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x74, 0x79, 0x52,
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+	0x49, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x74, 0x79, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65,
+	0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x34, 0x0a, 0x0b,
+	0x63, 0x72, 0x65, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x61, 0x6c, 0x73, 0x18, 0x02, 0x20, 0x03, 0x28,
+	0x0b, 0x32, 0x12, 0x2e, 0x69, 0x61, 0x6d, 0x5f, 0x70, 0x62, 0x2e, 0x43, 0x72, 0x65, 0x64, 0x65,
+	0x6e, 0x74, 0x69, 0x61, 0x6c, 0x52, 0x0b, 0x63, 0x72, 0x65, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x61,
+	0x6c, 0x73, 0x12, 0x18, 0x0a, 0x07, 0x61, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x18, 0x03, 0x20,
+	0x03, 0x28, 0x09, 0x52, 0x07, 0x61, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x12, 0x1c, 0x0a, 0x09,
+	0x61, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x49, 0x64, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52,
+	0x09, 0x61, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x49, 0x64, 0x22, 0x4a, 0x0a, 0x0a, 0x43, 0x72,
+	0x65, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x61, 0x6c, 0x12, 0x1d, 0x0a, 0x0a, 0x61, 0x63, 0x63, 0x65,
+	0x73, 0x73, 0x5f, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x61, 0x63,
+	0x63, 0x65, 0x73, 0x73, 0x4b, 0x65, 0x79, 0x12, 0x1d, 0x0a, 0x0a, 0x73, 0x65, 0x63, 0x72, 0x65,
+	0x74, 0x5f, 0x6b, 0x65, 0x79, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x73, 0x65, 0x63,
+	0x72, 0x65, 0x74, 0x4b, 0x65, 0x79, 0x32, 0x21, 0x0a, 0x1f, 0x53, 0x65, 0x61, 0x77, 0x65, 0x65,
+	0x64, 0x49, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x74, 0x79, 0x41, 0x63, 0x63, 0x65, 0x73, 0x73, 0x4d,
+	0x61, 0x6e, 0x61, 0x67, 0x65, 0x6d, 0x65, 0x6e, 0x74, 0x42, 0x4b, 0x0a, 0x10, 0x73, 0x65, 0x61,
+	0x77, 0x65, 0x65, 0x64, 0x66, 0x73, 0x2e, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x42, 0x08, 0x49,
+	0x61, 0x6d, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x5a, 0x2d, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e,
+	0x63, 0x6f, 0x6d, 0x2f, 0x73, 0x65, 0x61, 0x77, 0x65, 0x65, 0x64, 0x66, 0x73, 0x2f, 0x73, 0x65,
+	0x61, 0x77, 0x65, 0x65, 0x64, 0x66, 0x73, 0x2f, 0x77, 0x65, 0x65, 0x64, 0x2f, 0x70, 0x62, 0x2f,
+	0x69, 0x61, 0x6d, 0x5f, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }

 var (
@@ -8,6 +8,7 @@ import (

 // This is a compile-time assertion to ensure that this generated file
 // is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7

 // SeaweedIdentityAccessManagementClient is the client API for SeaweedIdentityAccessManagement service.
@@ -27,6 +27,8 @@ service Seaweed {
  }
  rpc VacuumVolume (VacuumVolumeRequest) returns (VacuumVolumeResponse) {
  }
+  rpc VolumeMarkReadonly (VolumeMarkReadonlyRequest) returns (VolumeMarkReadonlyResponse) {
+  }
  rpc GetMasterConfiguration (GetMasterConfigurationRequest) returns (GetMasterConfigurationResponse) {
  }
  rpc ListClusterNodes (ListClusterNodesRequest) returns (ListClusterNodesResponse) {
@@ -303,6 +305,20 @@ message VacuumVolumeRequest {
 message VacuumVolumeResponse {
 }

+message VolumeMarkReadonlyRequest {
+  string ip = 1;
+  uint32 port = 2;
+  uint32 volume_id = 4;
+  string collection = 5;
+  uint32 replica_placement = 6;
+  uint32 version = 7;
+  uint32 ttl = 8;
+  string disk_type = 9;
+  bool is_readonly = 10;
+}
+message VolumeMarkReadonlyResponse {
+}
+
 message GetMasterConfigurationRequest {
 }
 message GetMasterConfigurationResponse {
@@ -384,7 +400,8 @@ message RaftListClusterServersResponse {
  message ClusterServers {
    string id = 1;
    string address = 2;
-    string suffrage = 3; //
+    string suffrage = 3;
+    bool   isLeader = 4;
  }
  repeated ClusterServers cluster_servers = 1;
 }
@@ -27,6 +27,7 @@ type SeaweedClient interface {
 	VolumeList(ctx context.Context, in *VolumeListRequest, opts ...grpc.CallOption) (*VolumeListResponse, error)
 	LookupEcVolume(ctx context.Context, in *LookupEcVolumeRequest, opts ...grpc.CallOption) (*LookupEcVolumeResponse, error)
 	VacuumVolume(ctx context.Context, in *VacuumVolumeRequest, opts ...grpc.CallOption) (*VacuumVolumeResponse, error)
+	VolumeMarkReadonly(ctx context.Context, in *VolumeMarkReadonlyRequest, opts ...grpc.CallOption) (*VolumeMarkReadonlyResponse, error)
 	GetMasterConfiguration(ctx context.Context, in *GetMasterConfigurationRequest, opts ...grpc.CallOption) (*GetMasterConfigurationResponse, error)
 	ListClusterNodes(ctx context.Context, in *ListClusterNodesRequest, opts ...grpc.CallOption) (*ListClusterNodesResponse, error)
 	LeaseAdminToken(ctx context.Context, in *LeaseAdminTokenRequest, opts ...grpc.CallOption) (*LeaseAdminTokenResponse, error)
@@ -179,6 +180,15 @@ func (c *seaweedClient) VacuumVolume(ctx context.Context, in *VacuumVolumeReques
 	return out, nil
 }

+func (c *seaweedClient) VolumeMarkReadonly(ctx context.Context, in *VolumeMarkReadonlyRequest, opts ...grpc.CallOption) (*VolumeMarkReadonlyResponse, error) {
+	out := new(VolumeMarkReadonlyResponse)
+	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/VolumeMarkReadonly", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *seaweedClient) GetMasterConfiguration(ctx context.Context, in *GetMasterConfigurationRequest, opts ...grpc.CallOption) (*GetMasterConfigurationResponse, error) {
 	out := new(GetMasterConfigurationResponse)
 	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/GetMasterConfiguration", in, out, opts...)
@@ -265,6 +275,7 @@ type SeaweedServer interface {
 	VolumeList(context.Context, *VolumeListRequest) (*VolumeListResponse, error)
 	LookupEcVolume(context.Context, *LookupEcVolumeRequest) (*LookupEcVolumeResponse, error)
 	VacuumVolume(context.Context, *VacuumVolumeRequest) (*VacuumVolumeResponse, error)
+	VolumeMarkReadonly(context.Context, *VolumeMarkReadonlyRequest) (*VolumeMarkReadonlyResponse, error)
 	GetMasterConfiguration(context.Context, *GetMasterConfigurationRequest) (*GetMasterConfigurationResponse, error)
 	ListClusterNodes(context.Context, *ListClusterNodesRequest) (*ListClusterNodesResponse, error)
 	LeaseAdminToken(context.Context, *LeaseAdminTokenRequest) (*LeaseAdminTokenResponse, error)
@@ -310,6 +321,9 @@ func (UnimplementedSeaweedServer) LookupEcVolume(context.Context, *LookupEcVolum
 func (UnimplementedSeaweedServer) VacuumVolume(context.Context, *VacuumVolumeRequest) (*VacuumVolumeResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method VacuumVolume not implemented")
 }
+func (UnimplementedSeaweedServer) VolumeMarkReadonly(context.Context, *VolumeMarkReadonlyRequest) (*VolumeMarkReadonlyResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeMarkReadonly not implemented")
+}
 func (UnimplementedSeaweedServer) GetMasterConfiguration(context.Context, *GetMasterConfigurationRequest) (*GetMasterConfigurationResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetMasterConfiguration not implemented")
 }
@@ -543,6 +557,24 @@ func _Seaweed_VacuumVolume_Handler(srv interface{}, ctx context.Context, dec fun
 	return interceptor(ctx, in, info, handler)
 }

+func _Seaweed_VolumeMarkReadonly_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeMarkReadonlyRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedServer).VolumeMarkReadonly(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/master_pb.Seaweed/VolumeMarkReadonly",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedServer).VolumeMarkReadonly(ctx, req.(*VolumeMarkReadonlyRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _Seaweed_GetMasterConfiguration_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(GetMasterConfigurationRequest)
 	if err := dec(in); err != nil {
@@ -726,6 +758,10 @@ var Seaweed_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "VacuumVolume",
 			Handler:    _Seaweed_VacuumVolume_Handler,
 		},
+		{
+			MethodName: "VolumeMarkReadonly",
+			Handler:    _Seaweed_VolumeMarkReadonly_Handler,
+		},
 		{
 			MethodName: "GetMasterConfiguration",
 			Handler:    _Seaweed_GetMasterConfiguration_Handler,
@@ -0,0 +1,5 @@
+package master_pb
+
+func (v *VolumeLocation) IsEmptyUrl() bool {
+	return v.Url == "" || v.Url == ":0"
+}
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.28.0
-// 	protoc        v3.21.4
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.17.3
 // source: mount.proto

 package mount_pb
@@ -11,6 +11,7 @@ import (

 // This is a compile-time assertion to ensure that this generated file
 // is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7

 // SeaweedMountClient is the client API for SeaweedMount service.
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.28.0
-// 	protoc        v3.21.4
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.17.3
 // source: mq.proto

 package mq_pb
@@ -11,6 +11,7 @@ import (

 // This is a compile-time assertion to ensure that this generated file
 // is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7

 // SeaweedMessagingClient is the client API for SeaweedMessaging service.
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.28.0
-// 	protoc        v3.21.4
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.17.3
 // source: remote.proto

 package remote_pb
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.28.0
-// 	protoc        v3.21.4
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.17.3
 // source: s3.proto

 package s3_pb
@@ -11,6 +11,7 @@ import (

 // This is a compile-time assertion to ensure that this generated file
 // is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7

 // SeaweedS3Client is the client API for SeaweedS3 service.
@@ -56,6 +56,8 @@ service VolumeServer {

    rpc ReadNeedleBlob (ReadNeedleBlobRequest) returns (ReadNeedleBlobResponse) {
    }
+    rpc ReadNeedleMeta (ReadNeedleMetaRequest) returns (ReadNeedleMetaResponse) {
+    }
    rpc WriteNeedleBlob (WriteNeedleBlobRequest) returns (WriteNeedleBlobResponse) {
    }
    rpc ReadAllNeedles (ReadAllNeedlesRequest) returns (stream ReadAllNeedlesResponse) {
@@ -285,6 +287,19 @@ message ReadNeedleBlobResponse {
    bytes needle_blob = 1;
 }

+message ReadNeedleMetaRequest {
+    uint32 volume_id = 1;
+    uint64 needle_id = 2;
+    int64 offset = 3; // actual offset
+    int32 size = 4;
+}
+message ReadNeedleMetaResponse {
+    uint32 cookie = 1;
+    uint64 last_modified = 2;
+    uint32 crc = 3;
+    string ttl = 4;
+}
+
 message WriteNeedleBlobRequest {
    uint32 volume_id = 1;
    uint64 needle_id = 2;
@@ -530,7 +545,7 @@ message QueryRequest {
            string file_header_info = 1; // Valid values: NONE | USE | IGNORE
            string record_delimiter = 2; // Default: \n
            string field_delimiter = 3; // Default: ,
-            string quote_charactoer = 4; // Default: "
+            string quote_character = 4; // Default: "
            string quote_escape_character = 5; // Default: "
            string comments = 6; // Default: #
            // If true, records might contain record delimiters within quote characters
@@ -553,7 +568,7 @@ message QueryRequest {
            string quote_fields = 1; // Valid values: ALWAYS | ASNEEDED
            string record_delimiter = 2; // Default: \n
            string field_delimiter = 3; // Default: ,
-            string quote_charactoer = 4; // Default: "
+            string quote_character = 4; // Default: "
            string quote_escape_character = 5; // Default: "
        }
        message JSONOutput {
@@ -11,6 +11,7 @@ import (

 // This is a compile-time assertion to ensure that this generated file
 // is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7

 // VolumeServerClient is the client API for VolumeServer service.
@@ -39,6 +40,7 @@ type VolumeServerClient interface {
 	ReadVolumeFileStatus(ctx context.Context, in *ReadVolumeFileStatusRequest, opts ...grpc.CallOption) (*ReadVolumeFileStatusResponse, error)
 	CopyFile(ctx context.Context, in *CopyFileRequest, opts ...grpc.CallOption) (VolumeServer_CopyFileClient, error)
 	ReadNeedleBlob(ctx context.Context, in *ReadNeedleBlobRequest, opts ...grpc.CallOption) (*ReadNeedleBlobResponse, error)
+	ReadNeedleMeta(ctx context.Context, in *ReadNeedleMetaRequest, opts ...grpc.CallOption) (*ReadNeedleMetaResponse, error)
 	WriteNeedleBlob(ctx context.Context, in *WriteNeedleBlobRequest, opts ...grpc.CallOption) (*WriteNeedleBlobResponse, error)
 	ReadAllNeedles(ctx context.Context, in *ReadAllNeedlesRequest, opts ...grpc.CallOption) (VolumeServer_ReadAllNeedlesClient, error)
 	VolumeTailSender(ctx context.Context, in *VolumeTailSenderRequest, opts ...grpc.CallOption) (VolumeServer_VolumeTailSenderClient, error)
@@ -346,6 +348,15 @@ func (c *volumeServerClient) ReadNeedleBlob(ctx context.Context, in *ReadNeedleB
 	return out, nil
 }

+func (c *volumeServerClient) ReadNeedleMeta(ctx context.Context, in *ReadNeedleMetaRequest, opts ...grpc.CallOption) (*ReadNeedleMetaResponse, error) {
+	out := new(ReadNeedleMetaResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/ReadNeedleMeta", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *volumeServerClient) WriteNeedleBlob(ctx context.Context, in *WriteNeedleBlobRequest, opts ...grpc.CallOption) (*WriteNeedleBlobResponse, error) {
 	out := new(WriteNeedleBlobResponse)
 	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/WriteNeedleBlob", in, out, opts...)
@@ -699,6 +710,7 @@ type VolumeServerServer interface {
 	ReadVolumeFileStatus(context.Context, *ReadVolumeFileStatusRequest) (*ReadVolumeFileStatusResponse, error)
 	CopyFile(*CopyFileRequest, VolumeServer_CopyFileServer) error
 	ReadNeedleBlob(context.Context, *ReadNeedleBlobRequest) (*ReadNeedleBlobResponse, error)
+	ReadNeedleMeta(context.Context, *ReadNeedleMetaRequest) (*ReadNeedleMetaResponse, error)
 	WriteNeedleBlob(context.Context, *WriteNeedleBlobRequest) (*WriteNeedleBlobResponse, error)
 	ReadAllNeedles(*ReadAllNeedlesRequest, VolumeServer_ReadAllNeedlesServer) error
 	VolumeTailSender(*VolumeTailSenderRequest, VolumeServer_VolumeTailSenderServer) error
@@ -791,6 +803,9 @@ func (UnimplementedVolumeServerServer) CopyFile(*CopyFileRequest, VolumeServer_C
 func (UnimplementedVolumeServerServer) ReadNeedleBlob(context.Context, *ReadNeedleBlobRequest) (*ReadNeedleBlobResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ReadNeedleBlob not implemented")
 }
+func (UnimplementedVolumeServerServer) ReadNeedleMeta(context.Context, *ReadNeedleMetaRequest) (*ReadNeedleMetaResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ReadNeedleMeta not implemented")
+}
 func (UnimplementedVolumeServerServer) WriteNeedleBlob(context.Context, *WriteNeedleBlobRequest) (*WriteNeedleBlobResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method WriteNeedleBlob not implemented")
 }
@@ -1239,6 +1254,24 @@ func _VolumeServer_ReadNeedleBlob_Handler(srv interface{}, ctx context.Context,
 	return interceptor(ctx, in, info, handler)
 }

+func _VolumeServer_ReadNeedleMeta_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ReadNeedleMetaRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).ReadNeedleMeta(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/ReadNeedleMeta",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).ReadNeedleMeta(ctx, req.(*ReadNeedleMetaRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _VolumeServer_WriteNeedleBlob_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(WriteNeedleBlobRequest)
 	if err := dec(in); err != nil {
@@ -1706,6 +1739,10 @@ var VolumeServer_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "ReadNeedleBlob",
 			Handler:    _VolumeServer_ReadNeedleBlob_Handler,
 		},
+		{
+			MethodName: "ReadNeedleMeta",
+			Handler:    _VolumeServer_ReadNeedleMeta_Handler,
+		},
 		{
 			MethodName: "WriteNeedleBlob",
 			Handler:    _VolumeServer_WriteNeedleBlob_Handler,
@@ -24,15 +24,16 @@ func (fs *FilerSink) replicateChunks(sourceChunks []*filer_pb.FileChunk, path st
 	var wg sync.WaitGroup
 	for chunkIndex, sourceChunk := range sourceChunks {
 		wg.Add(1)
-		go func(chunk *filer_pb.FileChunk, index int) {
+		index, source := chunkIndex, sourceChunk
+		fs.executor.Execute(func() {
 			defer wg.Done()
-			replicatedChunk, e := fs.replicateOneChunk(chunk, path)
+			replicatedChunk, e := fs.replicateOneChunk(source, path)
 			if e != nil {
 				err = e
 				return
 			}
 			replicatedChunks[index] = replicatedChunk
-		}(sourceChunk, chunkIndex)
+		})
 	}
 	wg.Wait()

@@ -32,6 +32,7 @@ type FilerSink struct {
 	address           string
 	writeChunkByFiler bool
 	isIncremental     bool
+	executor          *util.LimitedConcurrentExecutor
 }

 func init() {
@@ -53,6 +54,7 @@ func (fs *FilerSink) IsIncremental() bool {
 func (fs *FilerSink) Initialize(configuration util.Configuration, prefix string) error {
 	fs.isIncremental = configuration.GetBool(prefix + "is_incremental")
 	fs.dataCenter = configuration.GetString(prefix + "dataCenter")
+	fs.executor = util.NewLimitedConcurrentExecutor(32)
 	return fs.DoInitialize(
 		"",
 		configuration.GetString(prefix+"grpcAddress"),
@@ -187,15 +189,11 @@ func (fs *FilerSink) UpdateEntry(key string, oldEntry *filer_pb.Entry, newParent
 		// skip if already changed
 		// this usually happens when the messages are not ordered
 		glog.V(2).Infof("late updates %s", key)
-	} else if filer.ETag(newEntry) == filer.ETag(existingEntry) {
-		// skip if no change
-		// this usually happens when retrying the replication
-		glog.V(3).Infof("already replicated %s", key)
 	} else {
 		// find out what changed
 		deletedChunks, newChunks, err := compareChunks(filer.LookupFn(fs), oldEntry, newEntry)
 		if err != nil {
-			return true, fmt.Errorf("replicte %s compare chunks error: %v", key, err)
+			return true, fmt.Errorf("replicate %s compare chunks error: %v", key, err)
 		}

 		// delete the chunks that are deleted from the source
@@ -207,7 +205,7 @@ func (fs *FilerSink) UpdateEntry(key string, oldEntry *filer_pb.Entry, newParent
 		// replicate the chunks that are new in the source
 		replicatedChunks, err := fs.replicateChunks(newChunks, key)
 		if err != nil {
-			return true, fmt.Errorf("replicte %s chunks error: %v", key, err)
+			return true, fmt.Errorf("replicate %s chunks error: %v", key, err)
 		}
 		existingEntry.Chunks = append(existingEntry.Chunks, replicatedChunks...)
 		existingEntry.Attributes = newEntry.Attributes
@@ -80,7 +80,7 @@ func (localsink *LocalSink) CreateEntry(key string, entry *filer_pb.Entry, signa
 	dir := filepath.Dir(key)

 	if _, err := os.Stat(dir); os.IsNotExist(err) {
-		glog.V(4).Infof("Create Direcotry key: %s", dir)
+		glog.V(4).Infof("Create Directory key: %s", dir)
 		if err = os.MkdirAll(dir, 0755); err != nil {
 			return err
 		}
@@ -146,11 +146,11 @@ func (progress *KafkaProgress) saveProgress() error {
 	return nil
 }

-func (progress *KafkaProgress) setOffset(parition int32, offset int64) error {
+func (progress *KafkaProgress) setOffset(partition int32, offset int64) error {
 	progress.Lock()
 	defer progress.Unlock()

-	progress.PartitionOffsets[parition] = offset
+	progress.PartitionOffsets[partition] = offset
 	if int(time.Now().Sub(progress.lastSaveTime).Seconds()) > progress.offsetSaveIntervalSeconds {
 		return progress.saveProgress()
 	}
@@ -16,6 +16,8 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/s3api/s3err"
 )

+var IdentityAnonymous *Identity
+
 type Action string

 type Iam interface {
@@ -32,10 +34,15 @@ type IdentityAccessManagement struct {

 type Identity struct {
 	Name        string
+	AccountId   string
 	Credentials []*Credential
 	Actions     []Action
 }

+func (i *Identity) isAnonymous() bool {
+	return i.Name == AccountAnonymous.Name
+}
+
 type Credential struct {
 	AccessKey string
 	SecretKey string
@@ -85,7 +92,7 @@ func NewIdentityAccessManagement(option *S3ApiServerOption) *IdentityAccessManag
 func (iam *IdentityAccessManagement) loadS3ApiConfigurationFromFiler(option *S3ApiServerOption) (err error) {
 	var content []byte
 	err = pb.WithFilerClient(false, option.Filer, option.GrpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
-		content, err = filer.ReadInsideFiler(client, filer.IamConfigDirecotry, filer.IamIdentityFile)
+		content, err = filer.ReadInsideFiler(client, filer.IamConfigDirectory, filer.IamIdentityFile)
 		return err
 	})
 	if err != nil {
@@ -125,9 +132,23 @@ func (iam *IdentityAccessManagement) loadS3ApiConfiguration(config *iam_pb.S3Api
 	for _, ident := range config.Identities {
 		t := &Identity{
 			Name:        ident.Name,
+			AccountId:   AccountAdmin.Id,
 			Credentials: nil,
 			Actions:     nil,
 		}
+
+		if ident.Name == AccountAnonymous.Name {
+			if ident.AccountId != "" && ident.AccountId != AccountAnonymous.Id {
+				glog.Warningf("anonymous identity is associated with a non-anonymous account ID, the association is invalid")
+			}
+			t.AccountId = AccountAnonymous.Id
+			IdentityAnonymous = t
+		} else {
+			if len(ident.AccountId) > 0 {
+				t.AccountId = ident.AccountId
+			}
+		}
+
 		for _, action := range ident.Actions {
 			t.Actions = append(t.Actions, Action(action))
 		}
@@ -139,6 +160,13 @@ func (iam *IdentityAccessManagement) loadS3ApiConfiguration(config *iam_pb.S3Api
 		}
 		identities = append(identities, t)
 	}
+
+	if IdentityAnonymous == nil {
+		IdentityAnonymous = &Identity{
+			Name:      AccountAnonymous.Name,
+			AccountId: AccountAnonymous.Id,
+		}
+	}
 	iam.m.Lock()
 	// atomically switch
 	iam.identities = identities
@@ -173,7 +201,7 @@ func (iam *IdentityAccessManagement) lookupAnonymous() (identity *Identity, foun
 	iam.m.RLock()
 	defer iam.m.RUnlock()
 	for _, ident := range iam.identities {
-		if ident.Name == "anonymous" {
+		if ident.isAnonymous() {
 			return ident, true
 		}
 	}
@@ -259,6 +287,9 @@ func (iam *IdentityAccessManagement) authRequest(r *http.Request, action Action)
 		return identity, s3err.ErrAccessDenied
 	}

+	if !identity.isAnonymous() {
+		r.Header.Set(s3_constants.AmzAccountId, identity.AccountId)
+	}
 	return identity, s3err.ErrNone

 }
@@ -9,7 +9,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/util"
 )

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

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

@@ -28,6 +28,7 @@ func (s3a *S3ApiServer) subscribeMetaEvents(clientName string, prefix string, la

 		_ = s3a.onIamConfigUpdate(dir, fileName, content)
 		_ = s3a.onCircuitBreakerConfigUpdate(dir, fileName, content)
+		_ = s3a.onBucketMetadataChange(dir, message.OldEntry, message.NewEntry)

 		return nil
 	}
@@ -35,16 +36,16 @@ func (s3a *S3ApiServer) subscribeMetaEvents(clientName string, prefix string, la
 	var clientEpoch int32
 	util.RetryForever("followIamChanges", func() error {
 		clientEpoch++
-		return pb.WithFilerClientFollowMetadata(s3a, clientName, s3a.randomClientId, clientEpoch, prefix, &lastTsNs, 0, 0, processEventFn, pb.FatalOnError)
+		return pb.WithFilerClientFollowMetadata(s3a, clientName, s3a.randomClientId, clientEpoch, prefix, directoriesToWatch, &lastTsNs, 0, 0, processEventFn, pb.FatalOnError)
 	}, func(err error) bool {
 		glog.V(0).Infof("iam follow metadata changes: %v", err)
 		return true
 	})
 }

-//reload iam config
+// reload iam config
 func (s3a *S3ApiServer) onIamConfigUpdate(dir, filename string, content []byte) error {
-	if dir == filer.IamConfigDirecotry && filename == filer.IamIdentityFile {
+	if dir == filer.IamConfigDirectory && filename == filer.IamIdentityFile {
 		if err := s3a.iam.LoadS3ApiConfigurationFromBytes(content); err != nil {
 			return err
 		}
@@ -53,7 +54,7 @@ func (s3a *S3ApiServer) onIamConfigUpdate(dir, filename string, content []byte)
 	return nil
 }

-//reload circuit breaker config
+// reload circuit breaker config
 func (s3a *S3ApiServer) onCircuitBreakerConfigUpdate(dir, filename string, content []byte) error {
 	if dir == s3_constants.CircuitBreakerConfigDir && filename == s3_constants.CircuitBreakerConfigFile {
 		if err := s3a.cb.LoadS3ApiConfigurationFromBytes(content); err != nil {
@@ -63,3 +64,17 @@ func (s3a *S3ApiServer) onCircuitBreakerConfigUpdate(dir, filename string, conte
 	}
 	return nil
 }
+
+//reload bucket metadata
+func (s3a *S3ApiServer) onBucketMetadataChange(dir string, oldEntry *filer_pb.Entry, newEntry *filer_pb.Entry) error {
+	if dir == s3a.option.BucketsPath {
+		if newEntry != nil {
+			s3a.bucketRegistry.LoadBucketMetadata(newEntry)
+			glog.V(0).Infof("updated bucketMetadata %s/%s", dir, newEntry)
+		} else {
+			s3a.bucketRegistry.RemoveBucketMetadata(oldEntry)
+			glog.V(0).Infof("remove bucketMetadata  %s/%s", dir, newEntry)
+		}
+	}
+	return nil
+}
@@ -3,6 +3,7 @@ package s3api
 import (
 	. "github.com/seaweedfs/seaweedfs/weed/s3api/s3_constants"
 	"github.com/stretchr/testify/assert"
+	"reflect"
 	"testing"

 	jsonpb "google.golang.org/protobuf/encoding/protojson"
@@ -124,5 +125,98 @@ func TestCanDo(t *testing.T) {
 	}
 	assert.Equal(t, true, ident5.canDo(ACTION_READ, "special_bucket", "/a/b/c/d.txt"))
 	assert.Equal(t, true, ident5.canDo(ACTION_WRITE, "special_bucket", "/a/b/c/d.txt"))
+}

+type LoadS3ApiConfigurationTestCase struct {
+	pbIdent     *iam_pb.Identity
+	expectIdent *Identity
+}
+
+func TestLoadS3ApiConfiguration(t *testing.T) {
+	testCases := map[string]*LoadS3ApiConfigurationTestCase{
+		"notSpecifyAccountId": {
+			pbIdent: &iam_pb.Identity{
+				Name: "notSpecifyAccountId",
+				Actions: []string{
+					"Read",
+					"Write",
+				},
+				Credentials: []*iam_pb.Credential{
+					{
+						AccessKey: "some_access_key1",
+						SecretKey: "some_secret_key2",
+					},
+				},
+			},
+			expectIdent: &Identity{
+				Name:      "notSpecifyAccountId",
+				AccountId: AccountAdmin.Id,
+				Actions: []Action{
+					"Read",
+					"Write",
+				},
+				Credentials: []*Credential{
+					{
+						AccessKey: "some_access_key1",
+						SecretKey: "some_secret_key2",
+					},
+				},
+			},
+		},
+		"specifiedAccountID": {
+			pbIdent: &iam_pb.Identity{
+				Name:      "specifiedAccountID",
+				AccountId: "specifiedAccountID",
+				Actions: []string{
+					"Read",
+					"Write",
+				},
+			},
+			expectIdent: &Identity{
+				Name:      "specifiedAccountID",
+				AccountId: "specifiedAccountID",
+				Actions: []Action{
+					"Read",
+					"Write",
+				},
+			},
+		},
+		"anonymous": {
+			pbIdent: &iam_pb.Identity{
+				Name: "anonymous",
+				Actions: []string{
+					"Read",
+					"Write",
+				},
+			},
+			expectIdent: &Identity{
+				Name:      "anonymous",
+				AccountId: "anonymous",
+				Actions: []Action{
+					"Read",
+					"Write",
+				},
+			},
+		},
+	}
+
+	config := &iam_pb.S3ApiConfiguration{
+		Identities: make([]*iam_pb.Identity, 0),
+	}
+	for _, v := range testCases {
+		config.Identities = append(config.Identities, v.pbIdent)
+	}
+
+	iam := IdentityAccessManagement{}
+	err := iam.loadS3ApiConfiguration(config)
+	if err != nil {
+		return
+	}
+
+	for _, ident := range iam.identities {
+		tc := testCases[ident.Name]
+		if !reflect.DeepEqual(ident, tc.expectIdent) {
+			t.Error("not expect")
+		}
+	}
 }
--- a/Show More
+++ b/Show More