2.55

trigger migrated travis build

.github/workflows/container_latest.yml

@@ -0,0 +1,114 @@
+name: Build Latest Containers
+on:
+  push:
+    branches:
+      - master
+  workflow_dispatch: []
+
+jobs:
+  build-latest:
+    runs-on: [ubuntu-latest]
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Docker meta
+        id: docker_meta
+        uses: crazy-max/ghaction-docker-meta@v2
+        with:
+          images: |
+            chrislusf/seaweedfs
+            ghcr.io/chrislusf/seaweedfs
+          tags: |
+            type=raw,value=latest
+          labels: |
+            org.opencontainers.image.title=seaweedfs
+            org.opencontainers.image.vendor=Chris Lu
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+        with:
+          buildkitd-flags: "--debug"
+      -
+        name: Login to Docker Hub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+      -
+        name: Login to GHCR
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ secrets.GHCR_USERNAME }}
+          password: ${{ secrets.GHCR_TOKEN }}
+      -
+        name: Build
+        uses: docker/build-push-action@v2
+        with:
+          context: ./docker
+          push: ${{ github.event_name != 'pull_request' }}
+          file: ./docker/Dockerfile
+          platforms: linux/amd64
+          tags: ${{ steps.docker_meta.outputs.tags }}
+          labels: ${{ steps.docker_meta.outputs.labels }}
+
+  build-dev:
+    runs-on: [ubuntu-latest]
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Docker meta
+        id: docker_meta
+        uses: crazy-max/ghaction-docker-meta@v2
+        with:
+          images: |
+            chrislusf/seaweedfs
+            ghcr.io/chrislusf/seaweedfs
+          tags: |
+            type=raw,value=dev
+          labels: |
+            org.opencontainers.image.title=seaweedfs
+            org.opencontainers.image.description=SeaweedFS is a distributed storage system for blobs, objects, files, and data lake, to store and serve billions of files fast!
+            org.opencontainers.image.vendor=Chris Lu
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+        with:
+          buildkitd-flags: "--debug"
+      -
+        name: Login to Docker Hub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+      -
+        name: Login to GHCR
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ secrets.GHCR_USERNAME }}
+          password: ${{ secrets.GHCR_TOKEN }}
+      -
+        name: Build
+        uses: docker/build-push-action@v2
+        with:
+          context: ./docker
+          push: ${{ github.event_name != 'pull_request' }}
+          file: ./docker/Dockerfile.go_build
+          platforms: linux/amd64
+          tags: ${{ steps.docker_meta.outputs.tags }}
+          labels: ${{ steps.docker_meta.outputs.labels }}

.github/workflows/container_release.yml

@@ -0,0 +1,118 @@
+name: Build Release Containers
+on:
+  push:
+    tags:
+      - '*'
+  workflow_dispatch: []
+
+jobs:
+  build-default:
+    runs-on: [ubuntu-latest]
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Docker meta
+        id: docker_meta
+        uses: crazy-max/ghaction-docker-meta@v2
+        with:
+          images: |
+            chrislusf/seaweedfs
+            ghcr.io/chrislusf/seaweedfs
+          tags: |
+            type=ref,event=tag
+          flavor: |
+            latest=false
+          labels: |
+            org.opencontainers.image.title=seaweedfs
+            org.opencontainers.image.description=SeaweedFS is a distributed storage system for blobs, objects, files, and data lake, to store and serve billions of files fast!
+            org.opencontainers.image.vendor=Chris Lu
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+        with:
+          buildkitd-flags: "--debug"
+      -
+        name: Login to Docker Hub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+      -
+        name: Login to GHCR
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ secrets.GHCR_USERNAME }}
+          password: ${{ secrets.GHCR_TOKEN }}
+      -
+        name: Build
+        uses: docker/build-push-action@v2
+        with:
+          context: ./docker
+          push: ${{ github.event_name != 'pull_request' }}
+          file: ./docker/Dockerfile.go_build
+          platforms: linux/amd64
+          tags: ${{ steps.docker_meta.outputs.tags }}
+          labels: ${{ steps.docker_meta.outputs.labels }}
+  build-large:
+    runs-on: [ubuntu-latest]
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v2
+      -
+        name: Docker meta
+        id: docker_meta
+        uses: crazy-max/ghaction-docker-meta@v2
+        with:
+          images: |
+            chrislusf/seaweedfs
+            ghcr.io/chrislusf/seaweedfs
+          tags: |
+            type=ref,event=tag,suffix=_large_disk
+          flavor: |
+            latest=false
+          labels: |
+            org.opencontainers.image.title=seaweedfs
+            org.opencontainers.image.description=SeaweedFS is a distributed storage system for blobs, objects, files, and data lake, to store and serve billions of files fast!
+            org.opencontainers.image.vendor=Chris Lu
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+        with:
+          buildkitd-flags: "--debug"
+      -
+        name: Login to Docker Hub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+      -
+        name: Login to GHCR
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ secrets.GHCR_USERNAME }}
+          password: ${{ secrets.GHCR_TOKEN }}
+      -
+        name: Build
+        uses: docker/build-push-action@v2
+        with:
+          context: ./docker
+          push: ${{ github.event_name != 'pull_request' }}
+          file: ./docker/Dockerfile.go_build_large
+          platforms: linux/amd64
+          tags: ${{ steps.docker_meta.outputs.tags }}
+          labels: ${{ steps.docker_meta.outputs.labels }}

.github/workflows/release.yml

@@ -33,8 +33,9 @@ jobs:
         run: echo BUILD_TIME=$(date -u +%Y-%m-%d-%H-%M) >> ${GITHUB_ENV}
 
       - name: Go Release Binaries
-        uses: wangyoucao577/go-release-action@v1.14
+        uses: wangyoucao577/go-release-action@v1.17
         with:
+          goversion: 1.16
           github_token: ${{ secrets.GITHUB_TOKEN }}
           goos: ${{ matrix.goos }}
           goarch: ${{ matrix.goarch }}
@@ -49,8 +50,9 @@ jobs:
           asset_name: "weed-large-disk-${{ env.BUILD_TIME }}-${{ matrix.goos }}-${{ matrix.goarch }}"
 
       - name: Go Release Binaries
-        uses: wangyoucao577/go-release-action@v1.14
+        uses: wangyoucao577/go-release-action@v1.17
         with:
+          goversion: 1.16
           github_token: ${{ secrets.GITHUB_TOKEN }}
           goos: ${{ matrix.goos }}
           goarch: ${{ matrix.goarch }}
@@ -60,5 +62,5 @@ jobs:
           ldflags: -extldflags -static -X github.com/chrislusf/seaweedfs/weed/util.COMMIT=${{github.sha}}
           # Where to run `go build .`
           project_path: weed
-          binary_name: weed-
+          binary_name: weed
           asset_name: "weed-${{ env.BUILD_TIME }}-${{ matrix.goos }}-${{ matrix.goarch }}"

.travis.yml

@@ -1,7 +1,6 @@
 sudo: false
 language: go
 go:
-  - 1.15.x
   - 1.16.x
 
 before_install:

README.md

@@ -3,10 +3,11 @@
 
 [![Slack](https://img.shields.io/badge/slack-purple)](https://join.slack.com/t/seaweedfs/shared_invite/enQtMzI4MTMwMjU2MzA3LTEyYzZmZWYzOGQ3MDJlZWMzYmI0OTE4OTJiZjJjODBmMzUxNmYwODg0YjY3MTNlMjBmZDQ1NzQ5NDJhZWI2ZmY)
 [![Twitter](https://img.shields.io/twitter/follow/seaweedfs.svg?style=social&label=Follow)](https://twitter.com/intent/follow?screen_name=seaweedfs)
-[![Build Status](https://travis-ci.org/chrislusf/seaweedfs.svg?branch=master)](https://travis-ci.org/chrislusf/seaweedfs)
+[![Build Status](https://travis-ci.com/chrislusf/seaweedfs.svg?branch=master)](https://travis-ci.com/chrislusf/seaweedfs)
 [![GoDoc](https://godoc.org/github.com/chrislusf/seaweedfs/weed?status.svg)](https://godoc.org/github.com/chrislusf/seaweedfs/weed)
 [![Wiki](https://img.shields.io/badge/docs-wiki-blue.svg)](https://github.com/chrislusf/seaweedfs/wiki)
-[![Docker Pulls](https://img.shields.io/docker/pulls/chrislusf/seaweedfs.svg?maxAge=4800)](https://hub.docker.com/r/chrislusf/seaweedfs/)
+[![Docker Pulls](https://img.shields.io/docker/pulls/chrislusf/seaweedfs?maxAge=4800)](https://hub.docker.com/r/chrislusf/seaweedfs/)
+[![SeaweedFS on Maven Central](https://img.shields.io/maven-central/v/com.github.chrislusf/seaweedfs-client)](https://search.maven.org/search?q=g:com.github.chrislusf)
 
 
 ![SeaweedFS Logo](https://raw.githubusercontent.com/chrislusf/seaweedfs/master/note/seaweedfs.png)
@@ -42,7 +43,9 @@ Your support will be really appreciated by me and other supporters!
 - [SeaweedFS on Twitter](https://twitter.com/SeaweedFS)
 - [SeaweedFS Mailing List](https://groups.google.com/d/forum/seaweedfs)
 - [Wiki Documentation](https://github.com/chrislusf/seaweedfs/wiki)
-- [SeaweedFS Introduction Slides](https://www.slideshare.net/chrislusf/seaweedfs-introduction)
+- [SeaweedFS White Paper](https://github.com/chrislusf/seaweedfs/wiki/SeaweedFS_Architecture.pdf)
+- [SeaweedFS Introduction Slides 2021.5](https://docs.google.com/presentation/d/1DcxKWlINc-HNCjhYeERkpGXXm6nTCES8mi2W5G0Z4Ts/edit?usp=sharing)
+- [SeaweedFS Introduction Slides 2019.3](https://www.slideshare.net/chrislusf/seaweedfs-introduction)
 
 Table of Contents
 =================
@@ -66,11 +69,15 @@ Table of Contents
 * [License](#license)
 
 
-## Quick Start ##
+## Quick Start with single binary ##
 * Download the latest binary from https://github.com/chrislusf/seaweedfs/releases and unzip a single binary file `weed` or `weed.exe`
 * Run `weed server -dir=/some/data/dir -s3` to start one master, one volume server, one filer, and one S3 gateway.
 
-Also, to increase capacity, just add more volume servers by running `weed volume -dir="/some/data/dir2" -mserver="<master_host>:9333" -port=8081` locally, or on a different machine, or on thoudsands of machines. That is it!
+Also, to increase capacity, just add more volume servers by running `weed volume -dir="/some/data/dir2" -mserver="<master_host>:9333" -port=8081` locally, or on a different machine, or on thousands of machines. That is it!
+
+## Quick Start for S3 API on Docker ##
+
+`docker run -p 8333:8333 chrislusf/seaweedfs server -s3`
 
 ## Introduction ##
 
@@ -86,13 +93,6 @@ and these volume servers manage files and their metadata.
 This relieves concurrency pressure from the central master and spreads file metadata into volume servers, 
 allowing faster file access (O(1), usually just one disk read operation).
 
-SeaweedFS can transparently integrate with the cloud. 
-With hot data on local cluster, and warm data on the cloud with O(1) access time, 
-SeaweedFS can achieve both fast local access time and elastic cloud storage capacity. 
-What's more, the cloud storage access API cost is minimized. 
-Faster and Cheaper than direct cloud storage!
-Signup for future managed SeaweedFS cluster offering at "seaweedfilesystem at gmail dot com".
-
 There is only 40 bytes of disk storage overhead for each file's metadata. 
 It is so simple with O(1) disk reads that you are welcome to challenge the performance with your actual use cases.
 
@@ -102,12 +102,18 @@ Also, SeaweedFS implements erasure coding with ideas from
 
 On top of the object store, optional [Filer] can support directories and POSIX attributes. 
 Filer is a separate linearly-scalable stateless server with customizable metadata stores, 
-e.g., MySql, Postgres, Redis, Cassandra, HBase, Mongodb, Elastic Search, LevelDB, RocksDB, MemSql, TiDB, Etcd, CockroachDB, etc.
+e.g., MySql, Postgres, Redis, Cassandra, HBase, Mongodb, Elastic Search, LevelDB, RocksDB, Sqlite, MemSql, TiDB, Etcd, CockroachDB, etc.
 
 For any distributed key value stores, the large values can be offloaded to SeaweedFS. 
 With the fast access speed and linearly scalable capacity, 
 SeaweedFS can work as a distributed [Key-Large-Value store][KeyLargeValueStore].
 
+SeaweedFS can transparently integrate with the cloud. 
+With hot data on local cluster, and warm data on the cloud with O(1) access time, 
+SeaweedFS can achieve both fast local access time and elastic cloud storage capacity.
+What's more, the cloud storage access API cost is minimized. 
+Faster and Cheaper than direct cloud storage!
+
 [Back to TOC](#table-of-contents)
 
 ## Additional Features ##
@@ -393,7 +399,7 @@ The architectures are mostly the same. SeaweedFS aims to store and read files fa
 
 * SeaweedFS optimizes for small files, ensuring O(1) disk seek operation, and can also handle large files.
 * SeaweedFS statically assigns a volume id for a file. Locating file content becomes just a lookup of the volume id, which can be easily cached.
-* SeaweedFS Filer metadata store can be any well-known and proven data stores, e.g., Redis, Cassandra, HBase, Mongodb, Elastic Search, MySql, Postgres, MemSql, TiDB, CockroachDB, Etcd etc, and is easy to customized.
+* SeaweedFS Filer metadata store can be any well-known and proven data stores, e.g., Redis, Cassandra, HBase, Mongodb, Elastic Search, MySql, Postgres, Sqlite, MemSql, TiDB, CockroachDB, Etcd etc, and is easy to customized.
 * SeaweedFS Volume server also communicates directly with clients via HTTP, supporting range queries, direct uploads, etc.
 
 | System         | File Metadata                   | File Content Read| POSIX  | REST API | Optimized for large number of small files |
@@ -431,11 +437,11 @@ SeaweedFS has a centralized master group to look up free volumes, while Ceph use
 
 Same as SeaweedFS, Ceph is also based on the object store RADOS. Ceph is rather complicated with mixed reviews.
 
-Ceph uses CRUSH hashing to automatically manage the data placement, which is efficient to locate the data. But the data has to be placed according to the CRUSH algorithm. Any wrong configuration would cause data loss. SeaweedFS places data by assigning them to any writable volumes. If writes to one volume failed, just pick another volume to write. Adding more volumes are also as simple as it can be.
+Ceph uses CRUSH hashing to automatically manage the data placement, which is efficient to locate the data. But the data has to be placed according to the CRUSH algorithm. Any wrong configuration would cause data loss. Topology changes, such as adding new servers to increase capacity, will cause data migration with high IO cost to fit the CRUSH algorithm. SeaweedFS places data by assigning them to any writable volumes. If writes to one volume failed, just pick another volume to write. Adding more volumes are also as simple as it can be.
 
 SeaweedFS is optimized for small files. Small files are stored as one continuous block of content, with at most 8 unused bytes between files. Small file access is O(1) disk read.
 
-SeaweedFS Filer uses off-the-shelf stores, such as MySql, Postgres, Mongodb, Redis, Elastic Search, Cassandra, HBase, MemSql, TiDB, CockroachCB, Etcd, to manage file directories. These stores are proven, scalable, and easier to manage.
+SeaweedFS Filer uses off-the-shelf stores, such as MySql, Postgres, Sqlite, Mongodb, Redis, Elastic Search, Cassandra, HBase, MemSql, TiDB, CockroachCB, Etcd, to manage file directories. These stores are proven, scalable, and easier to manage.
 
 | SeaweedFS         | comparable to Ceph | advantage |
 | -------------  | ------------- | ---------------- |

docker/Dockerfile

@@ -1,6 +1,7 @@
 FROM alpine
 
-ARG RELEASE=latest # 'latest' or 'dev'
+# 'latest' or 'dev'
+ARG RELEASE=latest
 
 RUN \
     ARCH=$(if [ $(uname -m) == "x86_64" ] && [ $(getconf LONG_BIT) == "64" ]; then echo "amd64"; \

docker/Dockerfile.go_build

@@ -1,5 +1,5 @@
-FROM frolvlad/alpine-glibc as builder
-RUN apk add git go g++ fuse
+FROM amd64/golang:1.16-alpine as builder
+RUN apk add git g++ fuse
 RUN mkdir -p /go/src/github.com/chrislusf/
 RUN git clone https://github.com/chrislusf/seaweedfs /go/src/github.com/chrislusf/seaweedfs
 ARG BRANCH=${BRANCH:-master}
@@ -10,7 +10,7 @@ RUN cd /go/src/github.com/chrislusf/seaweedfs/weed \
 
 FROM alpine AS final
 LABEL author="Chris Lu"
-COPY --from=builder /root/go/bin/weed /usr/bin/
+COPY --from=builder /go/bin/weed /usr/bin/
 RUN mkdir -p /etc/seaweedfs
 COPY --from=builder /go/src/github.com/chrislusf/seaweedfs/docker/filer.toml /etc/seaweedfs/filer.toml
 COPY --from=builder /go/src/github.com/chrislusf/seaweedfs/docker/entrypoint.sh /entrypoint.sh

docker/Dockerfile.go_build_large

@@ -1,5 +1,5 @@
-FROM frolvlad/alpine-glibc as builder
-RUN apk add git go g++ fuse
+FROM amd64/golang:1.16-alpine as builder
+RUN apk add git g++ fuse
 RUN mkdir -p /go/src/github.com/chrislusf/
 RUN git clone https://github.com/chrislusf/seaweedfs /go/src/github.com/chrislusf/seaweedfs
 ARG BRANCH=${BRANCH:-master}
@@ -10,7 +10,7 @@ RUN cd /go/src/github.com/chrislusf/seaweedfs/weed \
 
 FROM alpine AS final
 LABEL author="Chris Lu"
-COPY --from=builder /root/go/bin/weed /usr/bin/
+COPY --from=builder /go/bin/weed /usr/bin/
 RUN mkdir -p /etc/seaweedfs
 COPY --from=builder /go/src/github.com/chrislusf/seaweedfs/docker/filer.toml /etc/seaweedfs/filer.toml
 COPY --from=builder /go/src/github.com/chrislusf/seaweedfs/docker/entrypoint.sh /entrypoint.sh

docker/Makefile

@@ -5,7 +5,9 @@ all: gen
 gen: dev
 
 binary:
-	cd ../weed; CGO_ENABLED=0 GOOS=linux go build -ldflags "-extldflags -static"; mv weed ../docker/
+	export SWCOMMIT=$(shell git rev-parse --short HEAD)
+	export SWLDFLAGS="-X github.com/chrislusf/seaweedfs/weed/util.COMMIT=$(SWCOMMIT)"
+	cd ../weed; CGO_ENABLED=0 GOOS=linux go build -ldflags "-extldflags -static $(SWLDFLAGS)"; mv weed ../docker/
 
 build: binary
 	docker build --no-cache -t chrislusf/seaweedfs:local -f Dockerfile.local .

docker/compose/local-dev-compose.yml

@@ -26,9 +26,10 @@ services:
   filer:
     image: chrislusf/seaweedfs:local
     ports:
+      - 8111:8111
       - 8888:8888
       - 18888:18888
-    command: '-v=1 filer -master="master:9333"'
+    command: '-v=1 filer -master="master:9333" -iam'
     depends_on:
       - master
       - volume

docker/compose/local-minio-gateway-compose.yml

@@ -0,0 +1,50 @@
+version: '2'
+
+services:
+  master:
+    image: chrislusf/seaweedfs:local
+    ports:
+      - 9333:9333
+      - 19333:19333
+    command: "master -ip=master -volumeSizeLimitMB=1024"
+  volume:
+    image: chrislusf/seaweedfs:local
+    ports:
+      - 8080:8080
+      - 18080:18080
+    command: "volume -mserver=master:9333 -port=8080 -ip=volume -max=0 -preStopSeconds=1"
+    depends_on:
+      - master
+  s3:
+    image: chrislusf/seaweedfs:local
+    ports:
+      - 8888:8888
+      - 18888:18888
+      - 8333:8333
+    command: '-v 1 filer -master="master:9333" -s3 -s3.config=/etc/seaweedfs/s3.json -s3.port=8333'
+    volumes:
+      - ./s3.json:/etc/seaweedfs/s3.json
+    depends_on:
+      - master
+      - volume
+  minio-gateway-s3:
+    image: minio/minio
+    ports:
+      - 9000:9000
+    command: 'minio gateway s3 http://s3:8333'
+    restart: on-failure
+    environment:
+      MINIO_ACCESS_KEY: "some_access_key1"
+      MINIO_SECRET_KEY: "some_secret_key1"
+    depends_on:
+      - s3
+  minio-warp:
+    image: minio/warp
+    command: 'mixed --duration=5m --obj.size=3mb --autoterm'
+    restart: on-failure
+    environment:
+      WARP_HOST: "minio-gateway-s3:9000"
+      WARP_ACCESS_KEY: "some_access_key1"
+      WARP_SECRET_KEY: "some_secret_key1"
+    depends_on:
+      - minio-gateway-s3

docker/compose/local-mount-compose.yml

@@ -38,7 +38,7 @@ services:
   mount_2:
     image: chrislusf/seaweedfs:local
     privileged: true
-    entrypoint: '/bin/sh -c "mkdir -p t2 && mkdir -p cache/t2 && weed -v=4  mount -filer=filer:8888 -cacheDir=./cache/t2 -dir=./t2 -filer.path=/c1 -volumeServerAcess=publicUrl"'
+    entrypoint: '/bin/sh -c "mkdir -p t2 && mkdir -p cache/t2 && weed -v=4  mount -filer=filer:8888 -cacheDir=./cache/t2 -dir=./t2 -filer.path=/c1"'
     depends_on:
       - master
       - volume

docker/compose/local-mount-profile-compose.yml

@@ -40,7 +40,7 @@ services:
       - fuse
     volumes:
       - /Volumes/mobile_disk/99:/data
-    entrypoint: '/bin/sh -c "mkdir -p t1 && weed mount -filer=filer:8888 -dir=./t1 -cacheCapacityMB=0 -memprofile=/data/mount.mem.pprof"'
+    entrypoint: '/bin/sh -c "mkdir -p t1 && weed -v=4 mount -filer=filer:8888 -dir=./t1 -cacheCapacityMB=0 -memprofile=/data/mount.mem.pprof"'
     depends_on:
       - master
       - volume

docker/compose/local-registry-compose.yml

@@ -15,24 +15,18 @@ services:
     command: "volume -mserver=master:9333 -port=8080 -ip=volume -max=0 -preStopSeconds=1"
     depends_on:
       - master
-  filer:
+  s3:
     image: chrislusf/seaweedfs:local
     ports:
       - 8888:8888
       - 18888:18888
-    command: 'filer -master="master:9333"'
-    depends_on:
-      - master
-      - volume
-  s3:
-    image: chrislusf/seaweedfs:local
-    ports:
       - 8333:8333
-    command: '-v 9 s3 -filer="filer:8888"'
+    command: '-v 9 filer -master="master:9333" -s3 -s3.config=/etc/seaweedfs/s3.json -s3.port=8333'
+    volumes:
+      - ./s3.json:/etc/seaweedfs/s3.json
     depends_on:
       - master
       - volume
-      - filer
   minio:
     image: minio/minio
     ports:

docker/compose/local-s3tests-compose.yml

@@ -38,7 +38,7 @@ services:
       S3TEST_CONF: "s3tests.conf"
       NOSETESTS_OPTIONS: "--verbose --logging-level=ERROR --with-xunit --failure-detail s3tests_boto3.functional.test_s3"
       NOSETESTS_ATTR: "!tagging,!fails_on_aws,!encryption,!bucket-policy,!versioning,!fails_on_rgw,!bucket-policy,!fails_with_subdomain,!policy_status,!object-lock,!lifecycle,!cors,!user-policy"
-      NOSETESTS_EXCLUDE: "(bucket_list_delimiter_basic|bucket_listv2_delimiter_basic|bucket_listv2_encoding_basic|bucket_list_encoding_basic|bucket_list_delimiter_prefix|bucket_listv2_delimiter_prefix_ends_with_delimiter|bucket_list_delimiter_prefix_ends_with_delimiter|bucket_list_delimiter_alt|bucket_listv2_delimiter_alt|bucket_list_delimiter_prefix_underscore|bucket_list_delimiter_percentage|bucket_listv2_delimiter_percentage|bucket_list_delimiter_whitespace|bucket_listv2_delimiter_whitespace|bucket_list_delimiter_dot|bucket_listv2_delimiter_dot|bucket_list_delimiter_unreadable|bucket_listv2_delimiter_unreadable|bucket_listv2_fetchowner_defaultempty|bucket_listv2_fetchowner_empty|bucket_list_prefix_delimiter_alt|bucket_listv2_prefix_delimiter_alt|bucket_list_prefix_delimiter_prefix_not_exist|bucket_listv2_prefix_delimiter_prefix_not_exist|bucket_list_prefix_delimiter_delimiter_not_exist|bucket_listv2_prefix_delimiter_delimiter_not_exist|bucket_list_prefix_delimiter_prefix_delimiter_not_exist|bucket_listv2_prefix_delimiter_prefix_delimiter_not_exist|bucket_list_maxkeys_none|bucket_listv2_maxkeys_none|bucket_list_maxkeys_invalid|bucket_listv2_continuationtoken_empty|bucket_list_return_data|bucket_list_objects_anonymous|bucket_listv2_objects_anonymous|bucket_notexist|bucketv2_notexist|bucket_delete_nonempty|bucket_concurrent_set_canned_acl|object_write_to_nonexist_bucket|object_requestid_matches_header_on_error|object_write_cache_control|object_write_expires|object_set_get_metadata_none_to_good|object_set_get_metadata_none_to_empty|object_set_get_metadata_overwrite_to_empty|post_object_anonymous_request|post_object_authenticated_request|post_object_authenticated_no_content_type|post_object_authenticated_request_bad_access_key|post_object_set_success_code|post_object_set_invalid_success_code|post_object_upload_larger_than_chunk|post_object_set_key_from_filename|post_object_ignored_header|post_object_case_insensitive_condition_fields|post_object_escaped_field_values|post_object_success_redirect_action|post_object_invalid_signature|post_object_invalid_access_key|post_object_missing_policy_condition|post_object_user_specified_header|post_object_request_missing_policy_specified_field|post_object_expired_policy|post_object_invalid_request_field_value|get_object_ifmatch_failed|get_object_ifunmodifiedsince_good|put_object_ifmatch_failed|object_raw_get_bucket_gone|object_delete_key_bucket_gone|object_raw_get_bucket_acl|object_raw_get_object_acl|object_raw_response_headers|object_raw_authenticated_bucket_gone|object_raw_get_x_amz_expires_out_max_range|object_raw_get_x_amz_expires_out_positive_range|object_anon_put_write_access|object_raw_put_authenticated_expired|bucket_create_exists|bucket_create_naming_bad_short_one|bucket_create_naming_bad_short_two|bucket_get_location|bucket_acl_default|bucket_acl_canned|bucket_acl_canned_publicreadwrite|bucket_acl_canned_authenticatedread|object_acl_default|object_acl_canned_during_create|object_acl_canned|object_acl_canned_publicreadwrite|object_acl_canned_authenticatedread|object_acl_canned_bucketownerread|object_acl_canned_bucketownerfullcontrol|object_acl_full_control_verify_attributes|bucket_acl_canned_private_to_private|bucket_acl_grant_nonexist_user|bucket_acl_no_grants|bucket_acl_grant_email_not_exist|bucket_acl_revoke_all|bucket_recreate_not_overriding|object_copy_verify_contenttype|object_copy_to_itself|object_copy_to_itself_with_metadata|object_copy_not_owned_bucket|object_copy_not_owned_object_bucket|object_copy_retaining_metadata|object_copy_replacing_metadata|multipart_upload_empty|multipart_copy_invalid_range|multipart_copy_special_names|multipart_upload_resend_part|multipart_upload_size_too_small|abort_multipart_upload_not_found|multipart_upload_missing_part|multipart_upload_incorrect_etag|100_continue|ranged_request_invalid_range|ranged_request_empty_object|access_bucket)"
+      NOSETESTS_EXCLUDE: "(bucket_list_delimiter_basic|bucket_listv2_delimiter_basic|bucket_listv2_encoding_basic|bucket_list_encoding_basic|bucket_list_delimiter_prefix|bucket_listv2_delimiter_prefix_ends_with_delimiter|bucket_list_delimiter_prefix_ends_with_delimiter|bucket_list_delimiter_alt|bucket_listv2_delimiter_alt|bucket_list_delimiter_prefix_underscore|bucket_list_delimiter_percentage|bucket_listv2_delimiter_percentage|bucket_list_delimiter_whitespace|bucket_listv2_delimiter_whitespace|bucket_list_delimiter_dot|bucket_listv2_delimiter_dot|bucket_list_delimiter_unreadable|bucket_listv2_delimiter_unreadable|bucket_listv2_fetchowner_defaultempty|bucket_listv2_fetchowner_empty|bucket_list_prefix_delimiter_alt|bucket_listv2_prefix_delimiter_alt|bucket_list_prefix_delimiter_prefix_not_exist|bucket_listv2_prefix_delimiter_prefix_not_exist|bucket_list_prefix_delimiter_delimiter_not_exist|bucket_listv2_prefix_delimiter_delimiter_not_exist|bucket_list_prefix_delimiter_prefix_delimiter_not_exist|bucket_listv2_prefix_delimiter_prefix_delimiter_not_exist|bucket_list_maxkeys_none|bucket_listv2_maxkeys_none|bucket_list_maxkeys_invalid|bucket_listv2_continuationtoken_empty|bucket_list_return_data|bucket_list_objects_anonymous|bucket_listv2_objects_anonymous|bucket_notexist|bucketv2_notexist|bucket_delete_nonempty|bucket_concurrent_set_canned_acl|object_write_to_nonexist_bucket|object_requestid_matches_header_on_error|object_set_get_metadata_none_to_good|object_set_get_metadata_none_to_empty|object_set_get_metadata_overwrite_to_empty|post_object_anonymous_request|post_object_authenticated_request|post_object_authenticated_no_content_type|post_object_authenticated_request_bad_access_key|post_object_set_success_code|post_object_set_invalid_success_code|post_object_upload_larger_than_chunk|post_object_set_key_from_filename|post_object_ignored_header|post_object_case_insensitive_condition_fields|post_object_escaped_field_values|post_object_success_redirect_action|post_object_invalid_signature|post_object_invalid_access_key|post_object_missing_policy_condition|post_object_user_specified_header|post_object_request_missing_policy_specified_field|post_object_expired_policy|post_object_invalid_request_field_value|get_object_ifunmodifiedsince_good|put_object_ifmatch_failed|object_raw_get_bucket_gone|object_delete_key_bucket_gone|object_raw_get_bucket_acl|object_raw_get_object_acl|object_raw_response_headers|object_raw_authenticated_bucket_gone|object_raw_get_x_amz_expires_out_max_range|object_raw_get_x_amz_expires_out_positive_range|object_anon_put_write_access|object_raw_put_authenticated_expired|bucket_create_exists|bucket_create_naming_bad_short_one|bucket_create_naming_bad_short_two|bucket_get_location|bucket_acl_default|bucket_acl_canned|bucket_acl_canned_publicreadwrite|bucket_acl_canned_authenticatedread|object_acl_default|object_acl_canned_during_create|object_acl_canned|object_acl_canned_publicreadwrite|object_acl_canned_authenticatedread|object_acl_canned_bucketownerread|object_acl_canned_bucketownerfullcontrol|object_acl_full_control_verify_attributes|bucket_acl_canned_private_to_private|bucket_acl_grant_nonexist_user|bucket_acl_no_grants|bucket_acl_grant_email_not_exist|bucket_acl_revoke_all|bucket_recreate_not_overriding|object_copy_verify_contenttype|object_copy_to_itself_with_metadata|object_copy_not_owned_bucket|object_copy_not_owned_object_bucket|object_copy_retaining_metadata|object_copy_replacing_metadata|multipart_upload_empty|multipart_copy_invalid_range|multipart_copy_special_names|multipart_upload_resend_part|multipart_upload_size_too_small|abort_multipart_upload_not_found|multipart_upload_missing_part|multipart_upload_incorrect_etag|100_continue|ranged_request_invalid_range|ranged_request_empty_object|access_bucket)"
     depends_on:
       - master
       - volume

go.mod

@@ -1,20 +1,20 @@
 module github.com/chrislusf/seaweedfs
 
-go 1.12
+go 1.16
 
 require (
 	cloud.google.com/go v0.58.0 // indirect
 	cloud.google.com/go/pubsub v1.3.1
 	cloud.google.com/go/storage v1.9.0
-	github.com/Azure/azure-amqp-common-go/v2 v2.1.0 // indirect
 	github.com/Azure/azure-pipeline-go v0.2.2 // indirect
 	github.com/Azure/azure-storage-blob-go v0.9.0
 	github.com/OneOfOne/xxhash v1.2.2
 	github.com/Shopify/sarama v1.23.1
 	github.com/aws/aws-sdk-go v1.34.30
 	github.com/buraksezer/consistent v0.0.0-20191006190839-693edf70fd72
+	github.com/bwmarrin/snowflake v0.3.0
 	github.com/cespare/xxhash v1.1.0
-	github.com/chrislusf/raft v1.0.4
+	github.com/chrislusf/raft v1.0.7
 	github.com/coreos/go-semver v0.3.0 // indirect
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
 	github.com/disintegration/imaging v1.6.2
@@ -33,15 +33,16 @@ require (
 	github.com/gocql/gocql v0.0.0-20190829130954-e163eff7a8c6
 	github.com/gogo/protobuf v1.2.2-0.20190730201129-28a6bbf47e48 // indirect
 	github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e
-	github.com/golang/protobuf v1.4.2
+	github.com/golang/protobuf v1.4.3
 	github.com/google/btree v1.0.0
 	github.com/google/uuid v1.1.1
 	github.com/gorilla/mux v1.7.4
 	github.com/gorilla/websocket v1.4.1 // indirect
-	github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4 // indirect
+	github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4
 	github.com/grpc-ecosystem/grpc-gateway v1.11.0 // indirect
 	github.com/jcmturner/gofork v1.0.0 // indirect
-	github.com/json-iterator/go v1.1.10
+	github.com/jinzhu/copier v0.2.8
+	github.com/json-iterator/go v1.1.11
 	github.com/karlseguin/ccache v2.0.3+incompatible // indirect
 	github.com/karlseguin/ccache/v2 v2.0.7
 	github.com/klauspost/compress v1.10.9 // indirect
@@ -57,10 +58,10 @@ require (
 	github.com/olivere/elastic/v7 v7.0.19
 	github.com/peterh/liner v1.1.0
 	github.com/pierrec/lz4 v2.2.7+incompatible // indirect
-	github.com/prometheus/client_golang v1.3.0
-	github.com/rakyll/statik v0.1.7
+	github.com/pquerna/cachecontrol v0.1.0
+	github.com/prometheus/client_golang v1.11.0
 	github.com/rcrowley/go-metrics v0.0.0-20190826022208-cac0b30c2563 // indirect
-	github.com/seaweedfs/fuse v1.1.3
+	github.com/seaweedfs/fuse v1.1.7
 	github.com/seaweedfs/goexif v1.0.2
 	github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e
 	github.com/spaolacci/murmur3 v1.1.0 // indirect
@@ -74,7 +75,6 @@ require (
 	github.com/tidwall/match v1.0.1
 	github.com/tsuna/gohbase v0.0.0-20201125011725-348991136365
 	github.com/valyala/bytebufferpool v1.0.0
-	github.com/valyala/fasthttp v1.20.0
 	github.com/viant/assertly v0.5.4 // indirect
 	github.com/viant/ptrie v0.3.0
 	github.com/viant/toolbox v0.33.2 // indirect
@@ -88,16 +88,16 @@ require (
 	gocloud.dev/pubsub/rabbitpubsub v0.20.0
 	golang.org/x/image v0.0.0-20200119044424-58c23975cae1 // indirect
 	golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb
-	golang.org/x/sync v0.0.0-20200930132711-30421366ff76 // indirect
-	golang.org/x/sys v0.0.0-20201022201747-fb209a7c41cd
-	golang.org/x/tools v0.0.0-20200608174601-1b747fd94509
+	golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40
+	golang.org/x/tools v0.0.0-20201124115921-2c860bdd6e78
 	google.golang.org/api v0.26.0
 	google.golang.org/grpc v1.29.1
-	google.golang.org/protobuf v1.24.0
+	google.golang.org/protobuf v1.26.0-rc.1
 	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
 	gopkg.in/jcmturner/goidentity.v3 v3.0.0 // indirect
 	gopkg.in/jcmturner/gokrb5.v7 v7.3.0 // indirect
 	gopkg.in/karlseguin/expect.v1 v1.0.1 // indirect
+	modernc.org/sqlite v1.10.7
 )
 
 // replace github.com/seaweedfs/fuse => /Users/chris/go/src/github.com/seaweedfs/fuse

go.sum

@@ -109,6 +109,7 @@ github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuy
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
 github.com/andybalholm/brotli v1.0.0 h1:7UCwP93aiSfvWpapti8g88vVVGp2qqtGyePsSuDafo4=
 github.com/andybalholm/brotli v1.0.0/go.mod h1:loMXtMfwqflxFJPmdbJO0a3KNoPuLBgiu3qAvBg8x/Y=
 github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
@@ -141,6 +142,8 @@ github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869 h1:DDGfHa7BWjL4Yn
 github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869/go.mod h1:Ekp36dRnpXw/yCqJaO+ZrUyxD+3VXMFFr56k5XYrpB4=
 github.com/buraksezer/consistent v0.0.0-20191006190839-693edf70fd72 h1:fUmDBbSvv1uOzo/t8WaxZMVb7BxJ8JECo5lGoR9c5bA=
 github.com/buraksezer/consistent v0.0.0-20191006190839-693edf70fd72/go.mod h1:OEE5igu/CDjGegM1Jn6ZMo7R6LlV/JChAkjfQQIRLpg=
+github.com/bwmarrin/snowflake v0.3.0 h1:xm67bEhkKh6ij1790JB83OujPR5CzNe8QuQqAgISZN0=
+github.com/bwmarrin/snowflake v0.3.0/go.mod h1:NdZxfVWX+oR6y2K0o6qAYv6gIOP9rjG0/E9WsDpxqwE=
 github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
 github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
 github.com/census-instrumentation/opencensus-proto v0.2.0 h1:LzQXZOgg4CQfE6bFvXGM30YZL1WW/M337pXml+GrcZ4=
@@ -153,6 +156,12 @@ github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chrislusf/raft v1.0.4 h1:THhbsVik2hxdE0/VXX834f64Wn9RzgVPp+E+XCWZdKM=
 github.com/chrislusf/raft v1.0.4/go.mod h1:Ep5DP+mJSosjfKiix1uU7Lc2Df/SX4oGJEpZlXH5l68=
+github.com/chrislusf/raft v1.0.5 h1:g8GxKCSStfm0/bGBDpNEbmEXL6MJkpXX+NI0ksbX5D4=
+github.com/chrislusf/raft v1.0.5/go.mod h1:Ep5DP+mJSosjfKiix1uU7Lc2Df/SX4oGJEpZlXH5l68=
+github.com/chrislusf/raft v1.0.6 h1:wunb85WWhMKhNRn7EmdIw35D4Lmew0ZJv8oYDizR/+Y=
+github.com/chrislusf/raft v1.0.6/go.mod h1:Ep5DP+mJSosjfKiix1uU7Lc2Df/SX4oGJEpZlXH5l68=
+github.com/chrislusf/raft v1.0.7 h1:reybAIwnQOTSgTj1YgflbJFWLSN0KVQSxe8gDZYa04o=
+github.com/chrislusf/raft v1.0.7/go.mod h1:Ep5DP+mJSosjfKiix1uU7Lc2Df/SX4oGJEpZlXH5l68=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
@@ -243,6 +252,7 @@ github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2
 github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-kit/kit v0.10.0 h1:dXFJfIHVvUcpSgDOV+Ne6t7jXri8Tfv2uOLHUZ2XNuo=
 github.com/go-kit/kit v0.10.0/go.mod h1:xUsJbQ/Fp4kEt7AFgCuvyX4a71u8h9jB8tj/ORgOZ7o=
+github.com/go-kit/log v0.1.0/go.mod h1:zbhenjAZHb184qTLMA9ZjW7ThYL0H2mk7Q6pNt4vbaY=
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
 github.com/go-logfmt/logfmt v0.5.0 h1:TrB8swr/68K7m9CcGut2g3UOihhbcbiMAYiuTXdEih4=
@@ -325,6 +335,8 @@ github.com/golang/protobuf v1.4.1 h1:ZFgWrT+bLgsYPirOnRfKLYJLvssAegOj/hgyMFdJZe0
 github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
 github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0=
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/golang/protobuf v1.4.3 h1:JjCZWpVbqXDqFVmTfYWEVTMIYrL/NPdPSCHPJ0T/raM=
+github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/golang/snappy v0.0.0-20170215233205-553a64147049/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
@@ -342,8 +354,11 @@ github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.4.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.0 h1:/QaMHBdZ26BB3SSst0Iwl10Epc+xhTquomWX0oZEB6w=
 github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.4 h1:L8R9j+yAqZuZjsqh/z+F1NCffTKKLShY6zXTItVIZ8M=
 github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
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@@ -433,6 +448,8 @@ github.com/jcmturner/gofork v0.0.0-20190328161633-dc7c13fece03 h1:FUwcHNlEqkqLjL
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@@ -445,17 +462,21 @@ github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfC
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@@ -466,6 +487,8 @@ github.com/karlseguin/expect v1.0.2-0.20190806010014-778a5f0c6003 h1:vJ0Snvo+SLM
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@@ -484,6 +507,8 @@ github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGi
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@@ -523,11 +548,14 @@ github.com/mattn/go-ieproxy v0.0.1/go.mod h1:pYabZ6IHcRpFh7vIaLfK7rdcWgFEb3SFJ6/
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@@ -548,6 +576,7 @@ github.com/modern-go/reflect2 v1.0.1 h1:9f412s+6RmYXLWZSEzVVgPGK7C2PphHj5RJrvfx9
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@@ -629,6 +658,8 @@ github.com/pkg/sftp v1.10.1/go.mod h1:lYOWFsE0bwd1+KfKJaKeuokY15vzFx25BLbzYYoAxZ
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@@ -636,6 +667,9 @@ github.com/prometheus/client_golang v1.0.0 h1:vrDKnkGzuGvhNAL56c7DBz29ZL+KxnoR0x
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@@ -644,6 +678,8 @@ github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4 h1:gQz4mCb
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@@ -651,6 +687,9 @@ github.com/prometheus/common v0.4.1 h1:K0MGApIoQvMw27RTdJkPbr3JZ7DNbtxQNyi5STVM6
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@@ -658,6 +697,9 @@ github.com/prometheus/procfs v0.0.2 h1:6LJUbpNm42llc4HRCuvApCSWB/WfhuNo9K98Q9sNG
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@@ -685,6 +727,14 @@ github.com/seaweedfs/fuse v1.1.1 h1:WD51YFJcBViOx8I89jeqPD+vAKl4EowzBy9GUw0plb0=
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 github.com/seaweedfs/goexif v1.0.2 h1:p+rTXYdQ2mgxd+1JaTrQ9N8DvYuw9UH9xgYmJ+Bb29E=
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@@ -698,6 +748,8 @@ github.com/sirupsen/logrus v1.4.2 h1:SPIRibHv4MatM3XXNO2BJeFLZwZ2LvZgfQ5+UNI2im4
 github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
 github.com/sirupsen/logrus v1.5.0 h1:1N5EYkVAPEywqZRJd7cwnRtCb6xJx7NH3T3WUTF980Q=
 github.com/sirupsen/logrus v1.5.0/go.mod h1:+F7Ogzej0PZc/94MaYx/nvG9jOFMD2osvC3s+Squfpo=
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 github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e h1:MRM5ITcdelLK2j1vwZ3Je0FKVCfqOLp5zO6trqMLYs0=
 github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e/go.mod h1:XV66xRDqSt+GTGFMVlhk3ULuV0y9ZmzeVGR4mloJI3M=
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@@ -794,6 +846,7 @@ github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q
 github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
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 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
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@@ -937,7 +990,9 @@ golang.org/x/net v0.0.0-20200513185701-a91f0712d120/go.mod h1:qpuaurCH72eLCgpAm/
 golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20200602114024-627f9648deb9/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
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 golang.org/x/net v0.0.0-20201016165138-7b1cca2348c0/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
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 golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb h1:eBmm0M9fYhWpKZLjQUUKka/LtIxf46G4fxeEz5KJr9U=
 golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
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@@ -959,6 +1014,10 @@ golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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@@ -990,7 +1049,9 @@ golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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@@ -1007,9 +1068,16 @@ golang.org/x/sys v0.0.0-20200515095857-1151b9dac4a9/go.mod h1:h1NjWce9XRLGQEsW7w
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@@ -1079,12 +1147,16 @@ golang.org/x/tools v0.0.0-20200601175630-2caf76543d99/go.mod h1:EkVYQZoAsY45+roY
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@@ -1179,6 +1251,8 @@ google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
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@@ -1218,6 +1292,7 @@ gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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@@ -1236,10 +1311,33 @@ honnef.co/go/tools v0.0.1-2020.1.4 h1:UoveltGrhghAA7ePc+e+QYDHXrBps2PqFZiHkGR/xK
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+modernc.org/memory v1.0.4 h1:utMBrFcpnQDdNsmM6asmyH/FM9TqLPS7XF7otpJmrwM=
+modernc.org/memory v1.0.4/go.mod h1:nV2OApxradM3/OVbs2/0OsP6nPfakXpi50C7dcoHXlc=
+modernc.org/opt v0.1.1 h1:/0RX92k9vwVeDXj+Xn23DKp2VJubL7k8qNffND6qn3A=
+modernc.org/opt v0.1.1/go.mod h1:WdSiB5evDcignE70guQKxYUl14mgWtbClRi5wmkkTX0=
+modernc.org/sqlite v1.10.7 h1:B4ITfAx3HxSxOOKZqKhw4vnrhM+kTY1HoJf2L7PQBCQ=
+modernc.org/sqlite v1.10.7/go.mod h1:GXpJIZPNgRGqG0inyYDW18j9YpBpFUBn/weGI63hLLs=
 modernc.org/strutil v1.1.0 h1:+1/yCzZxY2pZwwrsbH+4T7BQMoLQ9QiBshRC9eicYsc=
 modernc.org/strutil v1.1.0/go.mod h1:lstksw84oURvj9y3tn8lGvRxyRC1S2+g5uuIzNfIOBs=
+modernc.org/tcl v1.5.2/go.mod h1:pmJYOLgpiys3oI4AeAafkcUfE+TKKilminxNyU/+Zlo=
+modernc.org/token v1.0.0 h1:a0jaWiNMDhDUtqOj09wvjWWAqd3q7WpBulmL9H2egsk=
+modernc.org/token v1.0.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=
+modernc.org/z v1.0.1-0.20210308123920-1f282aa71362/go.mod h1:8/SRk5C/HgiQWCgXdfpb+1RvhORdkz5sw72d3jjtyqA=
+modernc.org/z v1.0.1/go.mod h1:8/SRk5C/HgiQWCgXdfpb+1RvhORdkz5sw72d3jjtyqA=
 pack.ag/amqp v0.11.2/go.mod h1:4/cbmt4EJXSKlG6LCfWHoqmN0uFdy5i/+YFz+fTfhV4=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=

k8s/seaweedfs/Chart.yaml

@@ -1,5 +1,5 @@
 apiVersion: v1
 description: SeaweedFS
 name: seaweedfs
-appVersion: "2.32"
-version: 2.32
+appVersion: "2.55"
+version: "2.55"

k8s/seaweedfs/templates/volume-service.yaml

@@ -23,6 +23,6 @@ spec:
     targetPort: {{ .Values.volume.metricsPort }}
     protocol: TCP
 {{- end }}
-selector:
+  selector:
     app: {{ template "seaweedfs.name" . }}
     component: volume

k8s/seaweedfs/values.yaml

@@ -4,7 +4,7 @@ global:
   registry: ""
   repository: ""
   imageName: chrislusf/seaweedfs
-  # imageTag: "2.32" - started using {.Chart.appVersion}
+  # imageTag: "2.55" - started using {.Chart.appVersion}
   imagePullPolicy: IfNotPresent
   imagePullSecrets: imagepullsecret
   restartPolicy: Always

other/java/client/pom.xml

@@ -5,7 +5,7 @@
 
     <groupId>com.github.chrislusf</groupId>
     <artifactId>seaweedfs-client</artifactId>
-    <version>1.6.2</version>
+    <version>1.6.6</version>
 
     <parent>
         <groupId>org.sonatype.oss</groupId>
@@ -17,7 +17,7 @@
         <protobuf.version>3.9.1</protobuf.version>
         <!-- follow https://github.com/grpc/grpc-java -->
         <grpc.version>1.23.0</grpc.version>
-        <guava.version>28.0-jre</guava.version>
+        <guava.version>30.0-jre</guava.version>
     </properties>
 
     <dependencies>

other/java/client/pom.xml.deploy

@@ -5,7 +5,7 @@
 
     <groupId>com.github.chrislusf</groupId>
     <artifactId>seaweedfs-client</artifactId>
-    <version>1.6.2</version>
+    <version>1.6.6</version>
 
     <parent>
         <groupId>org.sonatype.oss</groupId>

other/java/client/pom_debug.xml

@@ -5,7 +5,7 @@
 
     <groupId>com.github.chrislusf</groupId>
     <artifactId>seaweedfs-client</artifactId>
-    <version>1.6.2</version>
+    <version>1.6.6</version>
 
     <parent>
         <groupId>org.sonatype.oss</groupId>

other/java/client/src/main/java/seaweedfs/client/ByteBufferPool.java

@@ -3,6 +3,7 @@ package seaweedfs.client;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.nio.Buffer;
 import java.nio.ByteBuffer;
 import java.util.ArrayList;
 import java.util.List;
@@ -34,7 +35,7 @@ public class ByteBufferPool {
     }
 
     public static synchronized void release(ByteBuffer obj) {
-        obj.clear();
+        ((Buffer)obj).clear();
         bufferList.add(0, obj);
     }
 

other/java/client/src/main/java/seaweedfs/client/FilerClient.java

@@ -94,7 +94,7 @@ public class FilerClient extends FilerGrpcClient {
             return true;
         }
         File pathFile = new File(path);
-        String parent = pathFile.getParent();
+        String parent = pathFile.getParent().replace('\\','/');
         String name = pathFile.getName();
 
         mkdirs(parent, mode, uid, gid, userName, groupNames);
@@ -115,21 +115,33 @@ public class FilerClient extends FilerGrpcClient {
     public boolean mv(String oldPath, String newPath) {
 
         File oldPathFile = new File(oldPath);
-        String oldParent = oldPathFile.getParent();
+        String oldParent = oldPathFile.getParent().replace('\\','/');
         String oldName = oldPathFile.getName();
 
         File newPathFile = new File(newPath);
-        String newParent = newPathFile.getParent();
+        String newParent = newPathFile.getParent().replace('\\','/');
         String newName = newPathFile.getName();
 
         return atomicRenameEntry(oldParent, oldName, newParent, newName);
 
     }
 
+    public boolean exists(String path){
+        File pathFile = new File(path);
+        String parent = pathFile.getParent();
+        String entryName = pathFile.getName();
+        if(parent == null) {
+            parent = path;
+            entryName  ="";
+        }
+        return lookupEntry(parent, entryName) != null;
+
+    }
+
     public boolean rm(String path, boolean isRecursive, boolean ignoreRecusiveError) {
 
         File pathFile = new File(path);
-        String parent = pathFile.getParent();
+        String parent = pathFile.getParent().replace('\\','/');
         String name = pathFile.getName();
 
         return deleteEntry(
@@ -142,30 +154,40 @@ public class FilerClient extends FilerGrpcClient {
 
     public boolean touch(String path, int mode) {
         String currentUser = System.getProperty("user.name");
-        return touch(path, mode, 0, 0, currentUser, new String[]{});
+
+        long now = System.currentTimeMillis() / 1000L;
+        return touch(path, now, mode, 0, 0, currentUser, new String[]{});
     }
 
-    public boolean touch(String path, int mode, int uid, int gid, String userName, String[] groupNames) {
+    public boolean touch(String path, long modifiedTimeSecond, int mode, int uid, int gid, String userName, String[] groupNames) {
 
         File pathFile = new File(path);
-        String parent = pathFile.getParent();
+        String parent = pathFile.getParent().replace('\\','/');
         String name = pathFile.getName();
 
         FilerProto.Entry entry = lookupEntry(parent, name);
         if (entry == null) {
             return createEntry(
                     parent,
-                    newFileEntry(name, mode, uid, gid, userName, groupNames).build()
+                    newFileEntry(name, modifiedTimeSecond, mode, uid, gid, userName, groupNames).build()
             );
         }
-        long now = System.currentTimeMillis() / 1000L;
-        FilerProto.FuseAttributes.Builder attr = entry.getAttributes().toBuilder()
-                .setMtime(now)
-                .setUid(uid)
-                .setGid(gid)
-                .setUserName(userName)
-                .clearGroupName()
-                .addAllGroupName(Arrays.asList(groupNames));
+        FilerProto.FuseAttributes.Builder attr = entry.getAttributes().toBuilder();
+        if (modifiedTimeSecond>0) {
+            attr.setMtime(modifiedTimeSecond);
+        }
+        if (uid>0) {
+            attr.setUid(uid);
+        }
+        if (gid>0) {
+            attr.setGid(gid);
+        }
+        if (userName!=null) {
+            attr.setUserName(userName);
+        }
+        if (groupNames!=null) {
+            attr.clearGroupName().addAllGroupName(Arrays.asList(groupNames));
+        }
         return updateEntry(parent, entry.toBuilder().setAttributes(attr).build());
     }
 
@@ -188,17 +210,15 @@ public class FilerClient extends FilerGrpcClient {
                         .addAllGroupName(Arrays.asList(groupNames)));
     }
 
-    public FilerProto.Entry.Builder newFileEntry(String name, int mode,
+    public FilerProto.Entry.Builder newFileEntry(String name, long modifiedTimeSecond, int mode,
                                                  int uid, int gid, String userName, String[] groupNames) {
 
-        long now = System.currentTimeMillis() / 1000L;
-
         return FilerProto.Entry.newBuilder()
                 .setName(name)
                 .setIsDirectory(false)
                 .setAttributes(FilerProto.FuseAttributes.newBuilder()
-                        .setMtime(now)
-                        .setCrtime(now)
+                        .setMtime(modifiedTimeSecond)
+                        .setCrtime(modifiedTimeSecond)
                         .setUid(uid)
                         .setGid(gid)
                         .setFileMode(mode)

other/java/client/src/main/java/seaweedfs/client/SeaweedInputStream.java

@@ -6,6 +6,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.io.EOFException;
+import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.nio.ByteBuffer;
@@ -34,6 +35,10 @@ public class SeaweedInputStream extends InputStream {
         this.entry = filerClient.lookupEntry(
                 SeaweedOutputStream.getParentDirectory(fullpath),
                 SeaweedOutputStream.getFileName(fullpath));
+        if(entry == null){
+            throw new FileNotFoundException();
+        }
+
         this.contentLength = SeaweedRead.fileSize(entry);
 
         this.visibleIntervalList = SeaweedRead.nonOverlappingVisibleIntervals(filerClient, entry.getChunksList());

other/java/client/src/main/java/seaweedfs/client/SeaweedOutputStream.java

@@ -39,7 +39,7 @@ public class SeaweedOutputStream extends OutputStream {
     }
 
     public SeaweedOutputStream(FilerClient filerClient, final String fullpath, final String replication) {
-        this(filerClient, fullpath, null, 0, 8 * 1024 * 1024, "000");
+        this(filerClient, fullpath, null, 0, 8 * 1024 * 1024, replication);
     }
 
     public SeaweedOutputStream(FilerClient filerClient, final String path, FilerProto.Entry.Builder entry,

other/java/client/src/main/java/seaweedfs/client/SeaweedWrite.java

@@ -1,5 +1,6 @@
 package seaweedfs.client;
 
+import com.google.common.base.Strings;
 import com.google.protobuf.ByteString;
 import org.apache.http.client.methods.CloseableHttpResponse;
 import org.apache.http.client.methods.HttpPost;
@@ -45,11 +46,16 @@ public class SeaweedWrite {
         FilerProto.AssignVolumeResponse response = filerClient.getBlockingStub().assignVolume(
                 FilerProto.AssignVolumeRequest.newBuilder()
                         .setCollection(filerClient.getCollection())
-                        .setReplication(replication == null ? filerClient.getReplication() : replication)
+                        .setReplication(Strings.isNullOrEmpty(replication) ? filerClient.getReplication() : replication)
                         .setDataCenter("")
                         .setTtlSec(0)
                         .setPath(path)
                         .build());
+
+        if (!Strings.isNullOrEmpty(response.getError())) {
+            throw new IOException(response.getError());
+        }
+
         String fileId = response.getFileId();
         String auth = response.getAuth();
 

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

@@ -361,6 +361,7 @@ message FilerConf {
         string disk_type = 5;
         bool fsync = 6;
         uint32 volume_growth_count = 7;
+        bool read_only = 8;
     }
     repeated PathConf locations = 2;
 }

other/java/client/src/test/java/seaweedfs/client/SeaweedFilerTest.java

@@ -16,8 +16,17 @@ public class SeaweedFilerTest {
         filerClient.mkdirs("/new_folder", 0755);
         filerClient.touch("/new_folder/new_empty_file", 0755);
         filerClient.touch("/new_folder/new_empty_file2", 0755);
+        if(!filerClient.exists("/new_folder/new_empty_file")){
+            System.out.println("/new_folder/new_empty_file should exists");
+        }
+
         filerClient.rm("/new_folder/new_empty_file", false, true);
         filerClient.rm("/new_folder", true, true);
-
+        if(filerClient.exists("/new_folder/new_empty_file")){
+            System.out.println("/new_folder/new_empty_file should not exists");
+        }
+        if(!filerClient.exists("/")){
+            System.out.println("/ should exists");
+        }
     }
 }

other/java/examples/pom.xml

@@ -11,13 +11,13 @@
         <dependency>
             <groupId>com.github.chrislusf</groupId>
             <artifactId>seaweedfs-client</artifactId>
-            <version>1.6.2</version>
+            <version>1.6.6</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
             <groupId>com.github.chrislusf</groupId>
             <artifactId>seaweedfs-hadoop2-client</artifactId>
-            <version>1.6.2</version>
+            <version>1.6.6</version>
             <scope>compile</scope>
         </dependency>
         <dependency>

other/java/examples/src/main/java/com/seaweedfs/examples/ExampleWriteFile2.java

@@ -0,0 +1,22 @@
+package com.seaweedfs.examples;
+
+import com.google.common.io.Files;
+import seaweedfs.client.FilerClient;
+import seaweedfs.client.SeaweedOutputStream;
+
+import java.io.File;
+import java.io.IOException;
+
+public class ExampleWriteFile2 {
+
+    public static void main(String[] args) throws IOException {
+
+        FilerClient filerClient = new FilerClient("localhost", 18888);
+
+        SeaweedOutputStream seaweedOutputStream = new SeaweedOutputStream(filerClient, "/test/1");
+        Files.copy(new File("/etc/resolv.conf"), seaweedOutputStream);
+        seaweedOutputStream.close();
+
+    }
+
+}

other/java/hdfs-over-ftp/pom.xml

@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>hdfs-over-ftp</groupId>
+    <artifactId>hdfs-over-ftp</artifactId>
+    <version>1.0</version>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.4.3</version>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>io.springfox</groupId>
+            <artifactId>springfox-swagger2</artifactId>
+            <version>2.9.2</version>
+        </dependency>
+        <dependency>
+            <groupId>io.springfox</groupId>
+            <artifactId>springfox-swagger-ui</artifactId>
+            <version>2.9.2</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.hadoop</groupId>
+            <artifactId>hadoop-common</artifactId>
+            <version>3.2.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.hadoop</groupId>
+            <artifactId>hadoop-client</artifactId>
+            <version>3.2.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.ftpserver</groupId>
+            <artifactId>ftpserver-core</artifactId>
+            <version>1.1.1</version>
+        </dependency>
+        <dependency>
+            <groupId>com.github.chrislusf</groupId>
+            <artifactId>seaweedfs-hadoop3-client</artifactId>
+            <version>1.6.2</version>
+        </dependency>
+    </dependencies>
+
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.1</version>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                    <encoding>UTF-8</encoding>
+                    <compilerArguments>
+                        <verbose />
+                        <bootclasspath>${java.home}/lib/rt.jar</bootclasspath>
+                    </compilerArguments>
+                </configuration>
+            </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <version>2.6</version>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <mainClass>org.apache.hadoop.seaweed.ftp.ApplicationServer</mainClass>
+                            <addClasspath>true</addClasspath>
+                            <classpathPrefix>lib/</classpathPrefix>
+                        </manifest>
+                        <manifestEntries>
+                            <Class-Path>./</Class-Path>
+                        </manifestEntries>
+                    </archive>
+                </configuration>
+            </plugin>
+
+            <plugin>
+                <artifactId>maven-assembly-plugin</artifactId>
+                <configuration>
+                    <appendAssemblyId>false</appendAssemblyId>
+                    <descriptors>
+                        <descriptor>src/main/resources/assembly.xml</descriptor>
+                    </descriptors>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>make-assembly</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>single</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

other/java/hdfs-over-ftp/src/main/java/org/apache/hadoop/seaweed/ftp/ApplicationServer.java

@@ -0,0 +1,14 @@
+package org.apache.hadoop.seaweed.ftp;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+
+@SpringBootApplication
+public class ApplicationServer {
+
+    public static void main(String[] args) {
+        SpringApplication.run(ApplicationServer.class, args);
+    }
+
+}

other/java/hdfs-over-ftp/src/main/java/org/apache/hadoop/seaweed/ftp/config/SwaggerConfig.java

@@ -0,0 +1,27 @@
+package org.apache.hadoop.seaweed.ftp.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import springfox.documentation.builders.ApiInfoBuilder;
+import springfox.documentation.builders.PathSelectors;
+import springfox.documentation.builders.RequestHandlerSelectors;
+import springfox.documentation.spi.DocumentationType;
+import springfox.documentation.spring.web.plugins.Docket;
+import springfox.documentation.swagger2.annotations.EnableSwagger2;
+
+@Configuration
+@EnableSwagger2
+public class SwaggerConfig {
+    @Bean
+    public Docket createRestApi() {
+        return new Docket(DocumentationType.SWAGGER_2)
+                .pathMapping("/")
+                .select()
+                .apis(RequestHandlerSelectors.basePackage("org.apache.hadoop.seaweed.ftp"))
+                .paths(PathSelectors.any())
+                .build().apiInfo(new ApiInfoBuilder()
+                        .title("FTP API Doc")
+                        .version("1.0")
+                        .build());
+    }
+}

other/java/hdfs-over-ftp/src/main/java/org/apache/hadoop/seaweed/ftp/controller/FtpManagerController.java

@@ -0,0 +1,71 @@
+package org.apache.hadoop.seaweed.ftp.controller;
+
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import org.apache.hadoop.seaweed.ftp.service.HFtpService;
+import org.apache.hadoop.seaweed.ftp.controller.vo.Result;
+import org.apache.log4j.Logger;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.HashMap;
+import java.util.Map;
+
+@RestController
+@RequestMapping("/manager")
+@Api(tags = "FTP操作管理")
+public class FtpManagerController {
+
+    private static Logger log = Logger.getLogger(FtpManagerController.class);
+
+    @Autowired
+    private HFtpService hdfsOverFtpServer;
+
+    @GetMapping("/status")
+    @ApiOperation("查看FTP服务状态")
+    public Result status() {
+        Map map = new HashMap<>();
+        try {
+            boolean status = hdfsOverFtpServer.statusServer();
+            map.put("is_running", status);
+            return new Result(true, map, "FTP 服务状态获取成功");
+        }catch (Exception e) {
+            log.error(e);
+            map.put("is_running", false);
+            return new Result(true, map, "FTP 服务状态获取成功");
+        }
+    }
+
+    @PutMapping("/start")
+    @ApiOperation("启动FTP服务")
+    public Result start() {
+        try {
+            boolean status = hdfsOverFtpServer.statusServer();
+            if(!status) {
+                hdfsOverFtpServer.startServer();
+            }
+            return new Result(true, "FTP 服务启动成功");
+        }catch (Exception e) {
+            log.error(e);
+            return new Result(false, "FTP 服务启动失败");
+        }
+    }
+
+    @PutMapping("/stop")
+    @ApiOperation("停止FTP服务")
+    public Result stop() {
+        try {
+            boolean status = hdfsOverFtpServer.statusServer();
+            if(status) {
+                hdfsOverFtpServer.stopServer();
+            }
+            return new Result(true, "FTP 服务停止成功");
+        }catch (Exception e) {
+            log.error(e);
+            return new Result(false, "FTP 服务停止失败");
+        }
+    }
+}

other/java/hdfs-over-ftp/src/main/java/org/apache/hadoop/seaweed/ftp/controller/UserController.java

@@ -0,0 +1,98 @@
+package org.apache.hadoop.seaweed.ftp.controller;
+
+import io.swagger.annotations.Api;
+import io.swagger.annotations.ApiOperation;
+import org.apache.ftpserver.ftplet.User;
+import org.apache.ftpserver.usermanager.Md5PasswordEncryptor;
+import org.apache.ftpserver.usermanager.UserFactory;
+import org.apache.hadoop.seaweed.ftp.controller.vo.FtpUser;
+import org.apache.hadoop.seaweed.ftp.controller.vo.Result;
+import org.apache.hadoop.seaweed.ftp.users.HdfsUserManager;
+import org.apache.log4j.Logger;
+import org.springframework.web.bind.annotation.*;
+
+import java.io.File;
+
+@RestController
+@RequestMapping("/user")
+@Api(tags = "FTP用户管理")
+public class UserController {
+
+    private static Logger log = Logger.getLogger(UserController.class);
+
+    /***
+     * {
+     *     "name": "test",
+     *     "password": "test",
+     *     "homeDirectory": "/buckets/test/"
+     * }
+     * @param ftpUser
+     * @return
+     */
+    @PostMapping("/add")
+    @ApiOperation("新增/编辑用户")
+    public Result add(@RequestBody FtpUser ftpUser) {
+        try {
+            HdfsUserManager userManagerFactory = new HdfsUserManager();
+            userManagerFactory.setFile(new File(System.getProperty("user.dir") + File.separator + "users.properties"));
+            userManagerFactory.setPasswordEncryptor(new Md5PasswordEncryptor());
+
+            UserFactory userFactory = new UserFactory();
+            userFactory.setHomeDirectory(ftpUser.getHomeDirectory());
+            userFactory.setName(ftpUser.getName());
+            userFactory.setPassword(ftpUser.getPassword());
+            userFactory.setEnabled(ftpUser.isEnabled());
+            userFactory.setMaxIdleTime(ftpUser.getMaxIdleTime());
+
+            User user = userFactory.createUser();
+            userManagerFactory.save(user, ftpUser.isRenamePush());
+            return new Result(true, "新建用户成功");
+        }catch (Exception e) {
+            log.error(e);
+            return new Result(false, "新建用户失败");
+        }
+    }
+
+    @DeleteMapping("/delete/{user}")
+    @ApiOperation("删除用户")
+    public Result delete(@PathVariable(value = "user") String user) {
+        try {
+            HdfsUserManager userManagerFactory = new HdfsUserManager();
+            userManagerFactory.setFile(new File(System.getProperty("user.dir") + File.separator + "users.properties"));
+            userManagerFactory.delete(user);
+            return new Result(true, "删除用户成功");
+        }catch (Exception e) {
+            log.error(e);
+            return new Result(false, "删除用户失败");
+        }
+    }
+
+    @GetMapping("/show/{userName}")
+    @ApiOperation("查看用户")
+    public Result show(@PathVariable(value = "userName") String userName) {
+        try {
+            HdfsUserManager userManagerFactory = new HdfsUserManager();
+            userManagerFactory.setFile(new File(System.getProperty("user.dir") + File.separator + "users.properties"));
+            User user = userManagerFactory.getUserByName(userName);
+            FtpUser ftpUser = new FtpUser(user.getHomeDirectory(), user.getPassword(), user.getEnabled(), user.getName(), user.getMaxIdleTime(), HdfsUserManager.getUserRenamePush(userName));
+            return new Result(true, ftpUser, "获取用户信息成功");
+        }catch (Exception e) {
+            log.error(e);
+            return new Result(false, "获取用户信息失败");
+        }
+    }
+
+    @GetMapping("/list")
+    @ApiOperation("列举用户")
+    public Result list() {
+        try {
+            HdfsUserManager userManagerFactory = new HdfsUserManager();
+            userManagerFactory.setFile(new File(System.getProperty("user.dir") + File.separator + "users.properties"));
+            String[] allUserNames = userManagerFactory.getAllUserNames();
+            return new Result(true, allUserNames, "列举用户成功");
+        }catch (Exception e) {
+            log.error(e);
+            return new Result(false, "列举用户失败");
+        }
+    }
+}

other/java/hdfs-over-ftp/src/main/java/org/apache/hadoop/seaweed/ftp/controller/vo/FtpUser.java

@@ -0,0 +1,71 @@
+package org.apache.hadoop.seaweed.ftp.controller.vo;
+
+public class FtpUser {
+
+    private String homeDirectory;
+    private String password;
+    private boolean enabled;
+    private String name;
+    private int maxIdleTime;
+    private boolean renamePush;
+
+    public FtpUser() {
+    }
+
+    public FtpUser(String homeDirectory, String password, boolean enabled, String name, int maxIdleTime, boolean renamePush) {
+        this.homeDirectory = homeDirectory;
+        this.password = password;
+        this.enabled = enabled;
+        this.name = name;
+        this.maxIdleTime = maxIdleTime;
+        this.renamePush = renamePush;
+    }
+
+    public String getHomeDirectory() {
+        return homeDirectory;
+    }
+
+    public void setHomeDirectory(String homeDirectory) {
+        this.homeDirectory = homeDirectory;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+
+    public boolean isEnabled() {
+        return enabled;
+    }
+
+    public void setEnabled(boolean enabled) {
+        this.enabled = enabled;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public int getMaxIdleTime() {
+        return maxIdleTime;
+    }
+
+    public void setMaxIdleTime(int maxIdleTime) {
+        this.maxIdleTime = maxIdleTime;
+    }
+
+    public boolean isRenamePush() {
+        return renamePush;
+    }
+
+    public void setRenamePush(boolean renamePush) {
+        this.renamePush = renamePush;
+    }
+}

other/java/hdfs-over-ftp/src/main/java/org/apache/hadoop/seaweed/ftp/controller/vo/Result.java

@@ -0,0 +1,43 @@
+package org.apache.hadoop.seaweed.ftp.controller.vo;
+
+public class Result {
+
+    private boolean status;
+    private Object data;
+    private String message;
+
+    public Result(boolean status, String message) {
+        this.status = status;
+        this.message = message;
+    }
+
+    public Result(boolean status, Object data, String message) {
+        this.status = status;
+        this.message = message;
+        this.data = data;
+    }
+
+    public boolean isStatus() {
+        return status;
+    }
+
+    public void setStatus(boolean status) {
+        this.status = status;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+    public Object getData() {
+        return data;
+    }
+
+    public void setData(Object data) {
+        this.data = data;
+    }
+}

other/java/hdfs-over-ftp/src/main/java/org/apache/hadoop/seaweed/ftp/service/HFtpService.java

@@ -0,0 +1,102 @@
+package org.apache.hadoop.seaweed.ftp.service;
+
+import org.apache.ftpserver.DataConnectionConfiguration;
+import org.apache.ftpserver.DataConnectionConfigurationFactory;
+import org.apache.ftpserver.FtpServer;
+import org.apache.ftpserver.FtpServerFactory;
+import org.apache.ftpserver.command.CommandFactoryFactory;
+import org.apache.ftpserver.listener.ListenerFactory;
+import org.apache.hadoop.seaweed.ftp.service.filesystem.HdfsFileSystemManager;
+import org.apache.hadoop.seaweed.ftp.service.filesystem.HdfsOverFtpSystem;
+import org.apache.hadoop.seaweed.ftp.users.HdfsUserManager;
+import org.apache.log4j.Logger;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+import java.io.File;
+
+/**
+ * reference: https://github.com/iponweb/hdfs-over-ftp
+ */
+@Component
+public class HFtpService {
+
+	private static Logger log = Logger.getLogger(HFtpService.class);
+
+	@Value("${ftp.port}")
+	private int port = 0;
+
+	@Value("${ftp.passive-address}")
+	private String passiveAddress;
+
+	@Value("${ftp.passive-ports}")
+	private String passivePorts;
+
+	@Value("${hdfs.uri}")
+	private String hdfsUri;
+
+	@Value("${seaweedFs.enable}")
+	private boolean seaweedFsEnable;
+
+	@Value("${seaweedFs.access}")
+	private String seaweedFsAccess;
+
+	@Value("${seaweedFs.replication}")
+	private String seaweedFsReplication;
+
+	private FtpServer ftpServer = null;
+
+	public void startServer() throws Exception {
+		log.info("Starting HDFS-Over-Ftp server. port: " + port + " passive-address: " + passiveAddress + " passive-ports: " + passivePorts + " hdfs-uri: " + hdfsUri);
+
+		HdfsOverFtpSystem.setHdfsUri(hdfsUri);
+		HdfsOverFtpSystem.setSeaweedFsEnable(seaweedFsEnable);
+		HdfsOverFtpSystem.setSeaweedFsAccess(seaweedFsAccess);
+		HdfsOverFtpSystem.setSeaweedFsReplication(seaweedFsReplication);
+
+		FtpServerFactory server = new FtpServerFactory();
+		server.setFileSystem(new HdfsFileSystemManager());
+
+		ListenerFactory factory = new ListenerFactory();
+		factory.setPort(port);
+
+		DataConnectionConfigurationFactory dccFactory = new DataConnectionConfigurationFactory();
+		dccFactory.setPassiveAddress("0.0.0.0");
+		dccFactory.setPassivePorts(passivePorts);
+		dccFactory.setPassiveExternalAddress(passiveAddress);
+		DataConnectionConfiguration dcc = dccFactory.createDataConnectionConfiguration();
+		factory.setDataConnectionConfiguration(dcc);
+
+		server.addListener("default", factory.createListener());
+
+		HdfsUserManager userManager = new HdfsUserManager();
+		final File file = loadResource("/users.properties");
+		userManager.setFile(file);
+		server.setUserManager(userManager);
+
+		CommandFactoryFactory cmFact = new CommandFactoryFactory();
+		cmFact.setUseDefaultCommands(true);
+		server.setCommandFactory(cmFact.createCommandFactory());
+
+		// start the server
+		ftpServer = server.createServer();
+		ftpServer.start();
+	}
+
+	public void stopServer() {
+		log.info("Stopping Hdfs-Over-Ftp server. port: " + port + " passive-address: " + passiveAddress + " passive-ports: " + passivePorts + " hdfs-uri: " + hdfsUri);
+		ftpServer.stop();
+	}
+
+	public boolean statusServer() {
+		try {
+			return !ftpServer.isStopped();
+		}catch (Exception e) {
+			return false;
+		}
+	}
+
+	private static File loadResource(String resourceName) {
+		return new File(System.getProperty("user.dir") + resourceName);
+	}
+}

other/java/hdfs-over-ftp/src/main/java/org/apache/hadoop/seaweed/ftp/service/filesystem/HdfsFileObject.java

@@ -0,0 +1,333 @@
+package org.apache.hadoop.seaweed.ftp.service.filesystem;
+
+import org.apache.ftpserver.ftplet.FtpFile;
+import org.apache.ftpserver.ftplet.User;
+import org.apache.hadoop.fs.*;
+import org.apache.hadoop.seaweed.ftp.users.HdfsUser;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * This class implements all actions to HDFS
+ */
+public class HdfsFileObject implements FtpFile {
+
+	private final Logger log = LoggerFactory.getLogger(HdfsFileObject.class);
+
+	private Path homePath;
+	private Path path;
+	private Path fullPath;
+	private HdfsUser user;
+
+	/**
+	 * Constructs HdfsFileObject from path
+	 *
+	 * @param path path to represent object
+	 * @param user accessor of the object
+	 */
+	public HdfsFileObject(String homePath, String path, User user) {
+		this.homePath = new Path(homePath);
+		this.path = new Path(path);
+		this.fullPath = new Path(homePath + path);
+		this.user = (HdfsUser) user;
+	}
+
+	public String getAbsolutePath() {
+		// strip the last '/' if necessary
+		String fullName = path.toString();
+		int filelen = fullName.length();
+		if ((filelen != 1) && (fullName.charAt(filelen - 1) == '/')) {
+			fullName = fullName.substring(0, filelen - 1);
+		}
+
+		return fullName;
+	}
+
+	public String getName() {
+		return path.getName();
+	}
+
+	/**
+	 * HDFS has no hidden objects
+	 *
+	 * @return always false
+	 */
+	public boolean isHidden() {
+		return false;
+	}
+
+	/**
+	 * Checks if the object is a directory
+	 *
+	 * @return true if the object is a directory
+	 */
+	public boolean isDirectory() {
+		try {
+			log.debug("is directory? : " + fullPath);
+			FileSystem dfs = HdfsOverFtpSystem.getDfs();
+			FileStatus fs = dfs.getFileStatus(fullPath);
+			return fs.isDir();
+		} catch (IOException e) {
+			log.debug(fullPath + " is not dir", e);
+			return false;
+		}
+	}
+
+	/**
+	 * Checks if the object is a file
+	 *
+	 * @return true if the object is a file
+	 */
+	public boolean isFile() {
+		try {
+			FileSystem dfs = HdfsOverFtpSystem.getDfs();
+			return dfs.isFile(fullPath);
+		} catch (IOException e) {
+			log.debug(fullPath + " is not file", e);
+			return false;
+		}
+	}
+
+	/**
+	 * Checks if the object does exist
+	 *
+	 * @return true if the object does exist
+	 */
+	public boolean doesExist() {
+		try {
+			FileSystem dfs = HdfsOverFtpSystem.getDfs();
+			dfs.getFileStatus(fullPath);
+			return true;
+		} catch (IOException e) {
+			//   log.debug(path + " does not exist", e);
+			return false;
+		}
+	}
+
+	public boolean isReadable() {
+		return true;
+	}
+
+	public boolean isWritable() {
+		return true;
+	}
+
+	public boolean isRemovable() {
+		return true;
+	}
+
+	/**
+	 * Get owner of the object
+	 *
+	 * @return owner of the object
+	 */
+	public String getOwnerName() {
+		return "root";
+		/*
+		try {
+			FileSystem dfs = HdfsOverFtpSystem.getDfs();
+			FileStatus fs = dfs.getFileStatus(fullPath);
+			String owner = fs.getOwner();
+			if(owner.length() == 0) {
+				return "root";
+			}
+			return owner;
+		} catch (IOException e) {
+			e.printStackTrace();
+			return null;
+		}
+		 */
+	}
+
+	/**
+	 * Get group of the object
+	 *
+	 * @return group of the object
+	 */
+	public String getGroupName() {
+		return "root";
+		/*
+		try {
+			FileSystem dfs = HdfsOverFtpSystem.getDfs();
+			FileStatus fs = dfs.getFileStatus(fullPath);
+			String group = fs.getGroup();
+			if(group.length() == 0) {
+				return "root";
+			}
+			return group;
+		} catch (IOException e) {
+			e.printStackTrace();
+			return null;
+		}
+		 */
+	}
+
+	/**
+	 * Get link count
+	 *
+	 * @return 3 is for a directory and 1 is for a file
+	 */
+	public int getLinkCount() {
+		return isDirectory() ? 3 : 1;
+	}
+
+	/**
+	 * Get last modification date
+	 *
+	 * @return last modification date as a long
+	 */
+	public long getLastModified() {
+		try {
+			FileSystem dfs = HdfsOverFtpSystem.getDfs();
+			FileStatus fs = dfs.getFileStatus(fullPath);
+			return fs.getModificationTime();
+		} catch (IOException e) {
+			e.printStackTrace();
+			return 0;
+		}
+	}
+
+	public boolean setLastModified(long l) {
+		return false;
+	}
+
+	/**
+	 * Get a size of the object
+	 *
+	 * @return size of the object in bytes
+	 */
+	public long getSize() {
+		try {
+			FileSystem dfs = HdfsOverFtpSystem.getDfs();
+			FileStatus fs = dfs.getFileStatus(fullPath);
+			log.debug("getSize(): " + fullPath + " : " + fs.getLen());
+			return fs.getLen();
+		} catch (IOException e) {
+			e.printStackTrace();
+			return 0;
+		}
+	}
+
+	public Object getPhysicalFile() {
+		return null;
+	}
+
+	/**
+	 * Create a new dir from the object
+	 *
+	 * @return true if dir is created
+	 */
+	public boolean mkdir() {
+		try {
+			FileSystem fs = HdfsOverFtpSystem.getDfs();
+			fs.mkdirs(fullPath);
+//			fs.setOwner(path, user.getName(), user.getMainGroup());
+			return true;
+		} catch (IOException e) {
+			e.printStackTrace();
+			return false;
+		}
+	}
+
+	/**
+	 * Delete object from the HDFS filesystem
+	 *
+	 * @return true if the object is deleted
+	 */
+	public boolean delete() {
+		try {
+			FileSystem dfs = HdfsOverFtpSystem.getDfs();
+			dfs.delete(fullPath, true);
+			return true;
+		} catch (IOException e) {
+			e.printStackTrace();
+			return false;
+		}
+	}
+
+	public boolean move(FtpFile ftpFile) {
+		try {
+			FileSystem dfs = HdfsOverFtpSystem.getDfs();
+			dfs.rename(fullPath, new Path(fullPath.getParent() + File.separator + ftpFile.getName()));
+			return true;
+		} catch (IOException e) {
+			e.printStackTrace();
+			return false;
+		}
+	}
+
+
+	/**
+	 * List files of the directory
+	 *
+	 * @return List of files in the directory
+	 */
+	public List<FtpFile> listFiles() {
+		try {
+			FileSystem dfs = HdfsOverFtpSystem.getDfs();
+			FileStatus fileStats[] = dfs.listStatus(fullPath);
+
+			// get the virtual name of the base directory
+			String virtualFileStr = getAbsolutePath();
+			if (virtualFileStr.charAt(virtualFileStr.length() - 1) != '/') {
+				virtualFileStr += '/';
+			}
+
+			FtpFile[] virtualFiles = new FtpFile[fileStats.length];
+			for (int i = 0; i < fileStats.length; i++) {
+				File fileObj = new File(fileStats[i].getPath().toString());
+				String fileName = virtualFileStr + fileObj.getName();
+				virtualFiles[i] = new HdfsFileObject(homePath.toString(), fileName, user);
+			}
+			return Collections.unmodifiableList(Arrays.asList(virtualFiles));
+		} catch (IOException e) {
+			log.debug("", e);
+			return null;
+		}
+	}
+
+	/**
+	 * Creates output stream to write to the object
+	 *
+	 * @param l is not used here
+	 * @return OutputStream
+	 * @throws IOException
+	 */
+	public OutputStream createOutputStream(long l) {
+		try {
+			FileSystem fs = HdfsOverFtpSystem.getDfs();
+			FSDataOutputStream out = fs.create(fullPath);
+//			fs.setOwner(fullPath, user.getName(), user.getMainGroup());
+			return out;
+		} catch (IOException e) {
+			e.printStackTrace();
+			return null;
+		}
+	}
+
+	/**
+	 * Creates input stream to read from the object
+	 *
+	 * @param l is not used here
+	 * @return OutputStream
+	 * @throws IOException
+	 */
+	public InputStream createInputStream(long l) {
+		try {
+			FileSystem dfs = HdfsOverFtpSystem.getDfs();
+			FSDataInputStream in = dfs.open(fullPath);
+			return in;
+		} catch (IOException e) {
+			e.printStackTrace();
+			return null;
+		}
+	}
+}

other/java/hdfs-over-ftp/src/main/java/org/apache/hadoop/seaweed/ftp/service/filesystem/HdfsFileSystemManager.java

@@ -0,0 +1,14 @@
+package org.apache.hadoop.seaweed.ftp.service.filesystem;
+
+import org.apache.ftpserver.ftplet.FileSystemFactory;
+import org.apache.ftpserver.ftplet.FileSystemView;
+import org.apache.ftpserver.ftplet.User;
+
+/**
+ * Impelented FileSystemManager to use HdfsFileSystemView
+ */
+public class HdfsFileSystemManager implements FileSystemFactory {
+	public FileSystemView createFileSystemView(User user) {
+		return new HdfsFileSystemView(user);
+	}
+}

other/java/hdfs-over-ftp/src/main/java/org/apache/hadoop/seaweed/ftp/service/filesystem/HdfsFileSystemView.java

@@ -0,0 +1,104 @@
+package org.apache.hadoop.seaweed.ftp.service.filesystem;
+
+import org.apache.ftpserver.ftplet.FileSystemView;
+import org.apache.ftpserver.ftplet.FtpFile;
+import org.apache.ftpserver.ftplet.User;
+import org.apache.hadoop.fs.Path;
+
+import java.io.File;
+
+/**
+ * Implemented FileSystemView to use HdfsFileObject
+ */
+public class HdfsFileSystemView implements FileSystemView {
+
+	private String homePath;
+	private String currPath = File.separator;
+	private User user;
+
+	/**
+	 * Constructor - set the user object.
+	 */
+	protected HdfsFileSystemView(User user) {
+		if (user == null) {
+			throw new IllegalArgumentException("user can not be null");
+		}
+		if (user.getHomeDirectory() == null) {
+			throw new IllegalArgumentException(
+					"User home directory can not be null");
+		}
+
+		this.homePath = user.getHomeDirectory();
+		this.user = user;
+	}
+
+	public FtpFile getHomeDirectory() {
+		return new HdfsFileObject(homePath, File.separator, user);
+	}
+
+	public FtpFile getWorkingDirectory() {
+		FtpFile fileObj;
+		if (currPath.equals(File.separator)) {
+			fileObj = new HdfsFileObject(homePath, File.separator, user);
+		} else {
+			fileObj = new HdfsFileObject(homePath, currPath, user);
+
+		}
+		return fileObj;
+	}
+
+	public boolean changeWorkingDirectory(String dir) {
+
+		Path path;
+		if (dir.startsWith(File.separator) || new Path(currPath).equals(new Path(dir))) {
+			path = new Path(dir);
+		} else if (currPath.length() > 1) {
+			path = new Path(currPath + File.separator + dir);
+		} else {
+			if(dir.startsWith("/")) {
+				path = new Path(dir);
+			}else {
+				path = new Path(File.separator + dir);
+			}
+		}
+
+		// 防止退回根目录
+		if (path.getName().equals("..")) {
+			path = new Path(File.separator);
+		}
+
+		HdfsFileObject file = new HdfsFileObject(homePath, path.toString(), user);
+		if (file.isDirectory()) {
+			currPath = path.toString();
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	public FtpFile getFile(String file) {
+		String path;
+		if (file.startsWith(File.separator)) {
+			path = file;
+		} else if (currPath.length() > 1) {
+			path = currPath + File.separator + file;
+		} else {
+			path = File.separator + file;
+		}
+		return new HdfsFileObject(homePath, path, user);
+	}
+
+	/**
+	 * Is the file content random accessible?
+	 */
+	public boolean isRandomAccessible() {
+		return true;
+	}
+
+	/**
+	 * Dispose file system view - does nothing.
+	 */
+	public void dispose() {
+	}
+
+}

other/java/hdfs-over-ftp/src/main/java/org/apache/hadoop/seaweed/ftp/service/filesystem/HdfsOverFtpSystem.java

@@ -0,0 +1,72 @@
+package org.apache.hadoop.seaweed.ftp.service.filesystem;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FileSystem;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+
+/**
+ * Class to store DFS connection
+ */
+public class HdfsOverFtpSystem {
+
+	private static FileSystem fs = null;
+
+	private static String hdfsUri;
+
+	private static boolean seaweedFsEnable;
+
+	private static String seaweedFsAccess;
+
+	private static String seaweedFsReplication;
+
+	private final static Logger log = LoggerFactory.getLogger(HdfsOverFtpSystem.class);
+
+	private static void hdfsInit() throws IOException {
+		Configuration configuration = new Configuration();
+
+		configuration.set("fs.defaultFS", hdfsUri);
+		if(seaweedFsEnable) {
+			configuration.set("fs.seaweedfs.impl", "seaweed.hdfs.SeaweedFileSystem");
+			configuration.set("fs.seaweed.volume.server.access", seaweedFsAccess);
+			configuration.set("fs.seaweed.replication", seaweedFsReplication);
+		}
+		fs = FileSystem.get(configuration);
+		log.info("HDFS load success");
+	}
+
+	/**
+	 * Get dfs
+	 *
+	 * @return dfs
+	 * @throws IOException
+	 */
+	public static FileSystem getDfs() throws IOException {
+		if (fs == null) {
+			hdfsInit();
+		}
+		return fs;
+	}
+
+	public static void setHdfsUri(String hdfsUri) {
+		HdfsOverFtpSystem.hdfsUri = hdfsUri;
+	}
+
+	public static String getHdfsUri() {
+		return hdfsUri;
+	}
+
+	public static void setSeaweedFsEnable(boolean seaweedFsEnable) {
+		HdfsOverFtpSystem.seaweedFsEnable = seaweedFsEnable;
+	}
+
+	public static void setSeaweedFsAccess(String seaweedFsAccess) {
+		HdfsOverFtpSystem.seaweedFsAccess = seaweedFsAccess;
+	}
+
+	public static void setSeaweedFsReplication(String seaweedFsReplication) {
+		HdfsOverFtpSystem.seaweedFsReplication = seaweedFsReplication;
+	}
+}

other/java/hdfs-over-ftp/src/main/java/org/apache/hadoop/seaweed/ftp/users/HdfsUser.java

@@ -0,0 +1,239 @@
+package org.apache.hadoop.seaweed.ftp.users;
+
+import org.apache.ftpserver.ftplet.Authority;
+import org.apache.ftpserver.ftplet.AuthorizationRequest;
+import org.apache.ftpserver.ftplet.User;
+import org.apache.log4j.Logger;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+public class HdfsUser implements User, Serializable {
+
+	private static final long serialVersionUID = -47371353779731294L;
+
+	private String name = null;
+
+	private String password = null;
+
+	private int maxIdleTimeSec = 0; // no limit
+
+	private String homeDir = null;
+
+	private boolean isEnabled = true;
+
+	private List<? extends Authority> authorities = new ArrayList<Authority>();
+
+	private ArrayList<String> groups = new ArrayList<String>();
+
+	private Logger log = Logger.getLogger(HdfsUser.class);
+
+	/**
+	 * Default constructor.
+	 */
+	public HdfsUser() {
+	}
+
+	/**
+	 * Copy constructor.
+	 */
+	public HdfsUser(User user) {
+		name = user.getName();
+		password = user.getPassword();
+		authorities = user.getAuthorities();
+		maxIdleTimeSec = user.getMaxIdleTime();
+		homeDir = user.getHomeDirectory();
+		isEnabled = user.getEnabled();
+	}
+
+	public ArrayList<String> getGroups() {
+		return groups;
+	}
+
+	/**
+	 * Get the main group of the user
+	 *
+	 * @return main group of the user
+	 */
+	public String getMainGroup() {
+		if (groups.size() > 0) {
+			return groups.get(0);
+		} else {
+			log.error("User " + name + " is not a memer of any group");
+			return "error";
+		}
+	}
+
+	/**
+	 * Checks if user is a member of the group
+	 *
+	 * @param group to check
+	 * @return true if the user id a member of the group
+	 */
+	public boolean isGroupMember(String group) {
+		for (String userGroup : groups) {
+			if (userGroup.equals(group)) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * Set users' groups
+	 *
+	 * @param groups to set
+	 */
+	public void setGroups(ArrayList<String> groups) {
+		if (groups.size() < 1) {
+			log.error("User " + name + " is not a memer of any group");
+		}
+		this.groups = groups;
+	}
+
+	/**
+	 * Get the user name.
+	 */
+	public String getName() {
+		return name;
+	}
+
+	/**
+	 * Set user name.
+	 */
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	/**
+	 * Get the user password.
+	 */
+	public String getPassword() {
+		return password;
+	}
+
+	/**
+	 * Set user password.
+	 */
+	public void setPassword(String pass) {
+		password = pass;
+	}
+
+	public List<Authority> getAuthorities() {
+		if (authorities != null) {
+			return Collections.unmodifiableList(authorities);
+		} else {
+			return null;
+		}
+	}
+
+	public void setAuthorities(List<Authority> authorities) {
+		if (authorities != null) {
+			this.authorities = Collections.unmodifiableList(authorities);
+		} else {
+			this.authorities = null;
+		}
+	}
+
+	/**
+	 * Get the maximum idle time in second.
+	 */
+	public int getMaxIdleTime() {
+		return maxIdleTimeSec;
+	}
+
+	/**
+	 * Set the maximum idle time in second.
+	 */
+	public void setMaxIdleTime(int idleSec) {
+		maxIdleTimeSec = idleSec;
+		if (maxIdleTimeSec < 0) {
+			maxIdleTimeSec = 0;
+		}
+	}
+
+	/**
+	 * Get the user enable status.
+	 */
+	public boolean getEnabled() {
+		return isEnabled;
+	}
+
+	/**
+	 * Set the user enable status.
+	 */
+	public void setEnabled(boolean enb) {
+		isEnabled = enb;
+	}
+
+	/**
+	 * Get the user home directory.
+	 */
+	public String getHomeDirectory() {
+		return homeDir;
+	}
+
+	/**
+	 * Set the user home directory.
+	 */
+	public void setHomeDirectory(String home) {
+		homeDir = home;
+	}
+
+	/**
+	 * String representation.
+	 */
+	public String toString() {
+		return name;
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	public AuthorizationRequest authorize(AuthorizationRequest request) {
+		List<Authority> authorities = getAuthorities();
+
+		// check for no authorities at all
+		if (authorities == null) {
+			return null;
+		}
+
+		boolean someoneCouldAuthorize = false;
+		for (Authority authority : authorities) {
+			if (authority.canAuthorize(request)) {
+				someoneCouldAuthorize = true;
+
+				request = authority.authorize(request);
+
+				// authorization failed, return null
+				if (request == null) {
+					return null;
+				}
+			}
+
+		}
+
+		if (someoneCouldAuthorize) {
+			return request;
+		} else {
+			return null;
+		}
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	public List<Authority> getAuthorities(Class<? extends Authority> clazz) {
+		List<Authority> selected = new ArrayList<Authority>();
+
+		for (Authority authority : authorities) {
+			if (authority.getClass().equals(clazz)) {
+				selected.add(authority);
+			}
+		}
+
+		return selected;
+	}
+}

other/java/hdfs-over-ftp/src/main/java/org/apache/hadoop/seaweed/ftp/users/HdfsUserManager.java

@@ -0,0 +1,453 @@
+package org.apache.hadoop.seaweed.ftp.users;
+
+import org.apache.ftpserver.FtpServerConfigurationException;
+import org.apache.ftpserver.ftplet.*;
+import org.apache.ftpserver.usermanager.*;
+import org.apache.ftpserver.usermanager.impl.*;
+import org.apache.ftpserver.util.BaseProperties;
+import org.apache.ftpserver.util.IoUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.*;
+
+public class HdfsUserManager extends AbstractUserManager {
+
+	private final Logger LOG = LoggerFactory
+			.getLogger(HdfsUserManager.class);
+
+	private final static String DEPRECATED_PREFIX = "FtpServer.user.";
+
+	private final static String PREFIX = "ftpserver.user.";
+
+	private static BaseProperties userDataProp;
+
+	private File userDataFile = new File("users.conf");
+
+	private boolean isConfigured = false;
+
+	private PasswordEncryptor passwordEncryptor = new Md5PasswordEncryptor();
+
+
+	/**
+	 * Retrieve the file used to load and store users
+	 *
+	 * @return The file
+	 */
+	public File getFile() {
+		return userDataFile;
+	}
+
+	/**
+	 * Set the file used to store and read users. Must be set before
+	 * {@link #configure()} is called.
+	 *
+	 * @param propFile A file containing users
+	 */
+	public void setFile(File propFile) {
+		if (isConfigured) {
+			throw new IllegalStateException("Must be called before configure()");
+		}
+
+		this.userDataFile = propFile;
+	}
+
+
+	/**
+	 * Retrieve the password encryptor used for this user manager
+	 *
+	 * @return The password encryptor. Default to {@link Md5PasswordEncryptor}
+	 *         if no other has been provided
+	 */
+	public PasswordEncryptor getPasswordEncryptor() {
+		return passwordEncryptor;
+	}
+
+
+	/**
+	 * Set the password encryptor to use for this user manager
+	 *
+	 * @param passwordEncryptor The password encryptor
+	 */
+	public void setPasswordEncryptor(PasswordEncryptor passwordEncryptor) {
+		this.passwordEncryptor = passwordEncryptor;
+	}
+
+
+	/**
+	 * Lazy init the user manager
+	 */
+	private void lazyInit() {
+		if (!isConfigured) {
+			configure();
+		}
+	}
+
+	/**
+	 * Configure user manager.
+	 */
+	public void configure() {
+		isConfigured = true;
+		try {
+			userDataProp = new BaseProperties();
+
+			if (userDataFile != null && userDataFile.exists()) {
+				FileInputStream fis = null;
+				try {
+					fis = new FileInputStream(userDataFile);
+					userDataProp.load(fis);
+				} finally {
+					IoUtils.close(fis);
+				}
+			}
+		} catch (IOException e) {
+			throw new FtpServerConfigurationException(
+					"Error loading user data file : "
+							+ userDataFile.getAbsolutePath(), e);
+		}
+
+		convertDeprecatedPropertyNames();
+	}
+
+	private void convertDeprecatedPropertyNames() {
+		Enumeration<?> keys = userDataProp.propertyNames();
+
+		boolean doSave = false;
+
+		while (keys.hasMoreElements()) {
+			String key = (String) keys.nextElement();
+
+			if (key.startsWith(DEPRECATED_PREFIX)) {
+				String newKey = PREFIX
+						+ key.substring(DEPRECATED_PREFIX.length());
+				userDataProp.setProperty(newKey, userDataProp.getProperty(key));
+				userDataProp.remove(key);
+
+				doSave = true;
+			}
+		}
+
+		if (doSave) {
+			try {
+				saveUserData();
+			} catch (FtpException e) {
+				throw new FtpServerConfigurationException(
+						"Failed to save updated user data", e);
+			}
+		}
+	}
+
+	public synchronized void save(User usr, boolean renamePush) throws FtpException {
+		lazyInit();
+		userDataProp.setProperty(PREFIX + usr.getName() + ".rename.push", renamePush);
+		save(usr);
+	}
+
+	/**
+	 * Save user data. Store the properties.
+	 */
+	public synchronized void save(User usr) throws FtpException {
+		lazyInit();
+
+		// null value check
+		if (usr.getName() == null) {
+			throw new NullPointerException("User name is null.");
+		}
+		String thisPrefix = PREFIX + usr.getName() + '.';
+
+		// set other properties
+		userDataProp.setProperty(thisPrefix + ATTR_PASSWORD, getPassword(usr));
+
+		String home = usr.getHomeDirectory();
+		if (home == null) {
+			home = "/";
+		}
+		userDataProp.setProperty(thisPrefix + ATTR_HOME, home);
+		userDataProp.setProperty(thisPrefix + ATTR_ENABLE, usr.getEnabled());
+		userDataProp.setProperty(thisPrefix + ATTR_WRITE_PERM, usr
+				.authorize(new WriteRequest()) != null);
+		userDataProp.setProperty(thisPrefix + ATTR_MAX_IDLE_TIME, usr
+				.getMaxIdleTime());
+
+		TransferRateRequest transferRateRequest = new TransferRateRequest();
+		transferRateRequest = (TransferRateRequest) usr
+				.authorize(transferRateRequest);
+
+		if (transferRateRequest != null) {
+			userDataProp.setProperty(thisPrefix + ATTR_MAX_UPLOAD_RATE,
+					transferRateRequest.getMaxUploadRate());
+			userDataProp.setProperty(thisPrefix + ATTR_MAX_DOWNLOAD_RATE,
+					transferRateRequest.getMaxDownloadRate());
+		} else {
+			userDataProp.remove(thisPrefix + ATTR_MAX_UPLOAD_RATE);
+			userDataProp.remove(thisPrefix + ATTR_MAX_DOWNLOAD_RATE);
+		}
+
+		// request that always will succeed
+		ConcurrentLoginRequest concurrentLoginRequest = new ConcurrentLoginRequest(
+				0, 0);
+		concurrentLoginRequest = (ConcurrentLoginRequest) usr
+				.authorize(concurrentLoginRequest);
+
+		if (concurrentLoginRequest != null) {
+			userDataProp.setProperty(thisPrefix + ATTR_MAX_LOGIN_NUMBER,
+					concurrentLoginRequest.getMaxConcurrentLogins());
+			userDataProp.setProperty(thisPrefix + ATTR_MAX_LOGIN_PER_IP,
+					concurrentLoginRequest.getMaxConcurrentLoginsPerIP());
+		} else {
+			userDataProp.remove(thisPrefix + ATTR_MAX_LOGIN_NUMBER);
+			userDataProp.remove(thisPrefix + ATTR_MAX_LOGIN_PER_IP);
+		}
+
+		saveUserData();
+	}
+
+	/**
+	 * @throws FtpException
+	 */
+	private void saveUserData() throws FtpException {
+		File dir = userDataFile.getAbsoluteFile().getParentFile();
+		if (dir != null && !dir.exists() && !dir.mkdirs()) {
+			String dirName = dir.getAbsolutePath();
+			throw new FtpServerConfigurationException(
+					"Cannot create directory for user data file : " + dirName);
+		}
+
+		// save user data
+		FileOutputStream fos = null;
+		try {
+			fos = new FileOutputStream(userDataFile);
+			userDataProp.store(fos, "Generated file - don't edit (please)");
+		} catch (IOException ex) {
+			LOG.error("Failed saving user data", ex);
+			throw new FtpException("Failed saving user data", ex);
+		} finally {
+			IoUtils.close(fos);
+		}
+	}
+
+
+	public synchronized void list() throws FtpException {
+		lazyInit();
+
+		Map dataMap = new HashMap();
+		Enumeration<String> propNames = (Enumeration<String>) userDataProp.propertyNames();
+		ArrayList<String> a = Collections.list(propNames);
+		a.remove("i18nMap");//去除i18nMap
+		for(String attrName : a){
+//			dataMap.put(attrName, propNames.);
+		}
+
+	}
+
+	/**
+	 * Delete an user. Removes all this user entries from the properties. After
+	 * removing the corresponding from the properties, save the data.
+	 */
+	public synchronized void delete(String usrName) throws FtpException {
+		lazyInit();
+
+		// remove entries from properties
+		String thisPrefix = PREFIX + usrName + '.';
+		Enumeration<?> propNames = userDataProp.propertyNames();
+		ArrayList<String> remKeys = new ArrayList<String>();
+		while (propNames.hasMoreElements()) {
+			String thisKey = propNames.nextElement().toString();
+			if (thisKey.startsWith(thisPrefix)) {
+				remKeys.add(thisKey);
+			}
+		}
+		Iterator<String> remKeysIt = remKeys.iterator();
+		while (remKeysIt.hasNext()) {
+			userDataProp.remove(remKeysIt.next());
+		}
+
+		saveUserData();
+	}
+
+	/**
+	 * Get user password. Returns the encrypted value.
+	 * <p/>
+	 * <pre>
+	 * If the password value is not null
+	 *    password = new password
+	 * else
+	 *   if user does exist
+	 *     password = old password
+	 *   else
+	 *     password = &quot;&quot;
+	 * </pre>
+	 */
+	private String getPassword(User usr) {
+		String name = usr.getName();
+		String password = usr.getPassword();
+
+		if (password != null) {
+			password = passwordEncryptor.encrypt(password);
+		} else {
+			String blankPassword = passwordEncryptor.encrypt("");
+
+			if (doesExist(name)) {
+				String key = PREFIX + name + '.' + ATTR_PASSWORD;
+				password = userDataProp.getProperty(key, blankPassword);
+			} else {
+				password = blankPassword;
+			}
+		}
+		return password;
+	}
+
+	/**
+	 * Get all user names.
+	 */
+	public synchronized String[] getAllUserNames() {
+		lazyInit();
+
+		// get all user names
+		String suffix = '.' + ATTR_HOME;
+		ArrayList<String> ulst = new ArrayList<String>();
+		Enumeration<?> allKeys = userDataProp.propertyNames();
+		int prefixlen = PREFIX.length();
+		int suffixlen = suffix.length();
+		while (allKeys.hasMoreElements()) {
+			String key = (String) allKeys.nextElement();
+			if (key.endsWith(suffix)) {
+				String name = key.substring(prefixlen);
+				int endIndex = name.length() - suffixlen;
+				name = name.substring(0, endIndex);
+				ulst.add(name);
+			}
+		}
+
+		Collections.sort(ulst);
+		return ulst.toArray(new String[0]);
+	}
+
+	private ArrayList<String> parseGroups(String groupsLine) {
+		String groupsArray[] = groupsLine.split(",");
+		return new ArrayList(Arrays.asList(groupsArray));
+	}
+
+	public static synchronized boolean getUserRenamePush(String userName) {
+		return userDataProp.getBoolean(PREFIX + userName + ".rename.push", false);
+	}
+
+	/**
+	 * Load user data.
+	 */
+	public synchronized User getUserByName(String userName) {
+		lazyInit();
+
+		if (!doesExist(userName)) {
+			return null;
+		}
+
+		String baseKey = PREFIX + userName + '.';
+		HdfsUser user = new HdfsUser();
+		user.setName(userName);
+		user.setEnabled(userDataProp.getBoolean(baseKey + ATTR_ENABLE, true));
+		user.setHomeDirectory(userDataProp
+				.getProperty(baseKey + ATTR_HOME, "/"));
+
+//		user.setGroups(parseGroups(userDataProp
+//				.getProperty(baseKey + "groups")));
+
+		List<Authority> authorities = new ArrayList<Authority>();
+
+		if (userDataProp.getBoolean(baseKey + ATTR_WRITE_PERM, false)) {
+			authorities.add(new WritePermission());
+		}
+
+		int maxLogin = userDataProp.getInteger(baseKey + ATTR_MAX_LOGIN_NUMBER,
+				0);
+		int maxLoginPerIP = userDataProp.getInteger(baseKey
+				+ ATTR_MAX_LOGIN_PER_IP, 0);
+
+		authorities.add(new ConcurrentLoginPermission(maxLogin, maxLoginPerIP));
+
+		int uploadRate = userDataProp.getInteger(
+				baseKey + ATTR_MAX_UPLOAD_RATE, 0);
+		int downloadRate = userDataProp.getInteger(baseKey
+				+ ATTR_MAX_DOWNLOAD_RATE, 0);
+
+		authorities.add(new TransferRatePermission(downloadRate, uploadRate));
+
+		user.setAuthorities(authorities);
+
+		user.setMaxIdleTime(userDataProp.getInteger(baseKey
+				+ ATTR_MAX_IDLE_TIME, 0));
+
+		return user;
+	}
+
+	/**
+	 * User existance check
+	 */
+	public synchronized boolean doesExist(String name) {
+		lazyInit();
+
+		String key = PREFIX + name + '.' + ATTR_HOME;
+		return userDataProp.containsKey(key);
+	}
+
+	/**
+	 * User authenticate method
+	 */
+	public synchronized User authenticate(Authentication authentication)
+			throws AuthenticationFailedException {
+		lazyInit();
+
+		if (authentication instanceof UsernamePasswordAuthentication) {
+			UsernamePasswordAuthentication upauth = (UsernamePasswordAuthentication) authentication;
+
+			String user = upauth.getUsername();
+			String password = upauth.getPassword();
+
+			if (user == null) {
+				throw new AuthenticationFailedException("Authentication failed");
+			}
+
+			if (password == null) {
+				password = "";
+			}
+
+			String storedPassword = userDataProp.getProperty(PREFIX + user + '.'
+					+ ATTR_PASSWORD);
+
+			if (storedPassword == null) {
+				// user does not exist
+				throw new AuthenticationFailedException("Authentication failed");
+			}
+
+			if (passwordEncryptor.matches(password, storedPassword)) {
+				return getUserByName(user);
+			} else {
+				throw new AuthenticationFailedException("Authentication failed");
+			}
+
+		} else if (authentication instanceof AnonymousAuthentication) {
+			if (doesExist("anonymous")) {
+				return getUserByName("anonymous");
+			} else {
+				throw new AuthenticationFailedException("Authentication failed");
+			}
+		} else {
+			throw new IllegalArgumentException(
+					"Authentication not supported by this user manager");
+		}
+	}
+
+	/**
+	 * Close the user manager - remove existing entries.
+	 */
+	public synchronized void dispose() {
+		if (userDataProp != null) {
+			userDataProp.clear();
+			userDataProp = null;
+		}
+	}
+}

other/java/hdfs-over-ftp/src/main/resources/application.yml

@@ -0,0 +1,15 @@
+server:
+  port: 8080
+
+ftp:
+  port: 2222
+  passive-address: localhost
+  passive-ports: 30000-30999
+
+hdfs:
+  uri: seaweedfs://localhost:8888
+
+seaweedFs:
+  enable: true
+  access: direct # direct/filerProxy/publicUrl
+  replication: "000"

other/java/hdfs-over-ftp/src/main/resources/assembly.xml

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<assembly xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.3" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+          xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.3 http://maven.apache.org/xsd/assembly-1.1.3.xsd">
+
+    <id>package</id>
+    <formats>
+        <!-- 指定打包格式，支持的打包格式有zip、tar、tar.gz (or tgz)、tar.bz2 (or tbz2)、jar、dir、war，可以同时指定多个打包格式 -->
+        <format>tar.gz</format>
+    </formats>
+    <includeBaseDirectory>false</includeBaseDirectory>
+
+    <fileSets>
+        <fileSet>
+            <directory>src/main/resources</directory>
+            <outputDirectory>/</outputDirectory>
+            <includes>
+                <include>application.yml</include>
+                <include>logback-spring.xml</include>
+                <include>users.properties</include>
+                <include>kafka-producer.properties</include>
+            </includes>
+        </fileSet>
+        <fileSet>
+            <directory>${project.build.directory}</directory>
+            <outputDirectory>/</outputDirectory>
+            <includes>
+                <include>*.jar</include>
+            </includes>
+        </fileSet>
+    </fileSets>
+    <dependencySets>
+        <dependencySet>
+            <useProjectArtifact>false</useProjectArtifact>
+            <outputDirectory>lib</outputDirectory>
+            <scope>runtime</scope>
+            <unpack>false</unpack>
+        </dependencySet>
+    </dependencySets>
+</assembly>

other/java/hdfs-over-ftp/src/main/resources/logback-spring.xml

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<configuration>
+    <!--定义日志文件的存储地址 勿在 LogBack 的配置中使用相对路径-->
+    <property name="LOG_HOME" value="${user.dir}/logs/" />
+
+    <!-- 控制台输出 -->
+    <appender name="Stdout" class="ch.qos.logback.core.ConsoleAppender">
+        <!-- 日志输出编码 -->
+        <layout class="ch.qos.logback.classic.PatternLayout">
+            <!--格式化输出：%d表示日期，%thread表示线程名，%-5level：级别从左显示5个字符宽度%msg：日志消息，%n是换行符-->
+            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n
+            </pattern>
+        </layout>
+    </appender>
+
+    <!-- 按照每天生成日志文件 -->
+    <appender name="RollingFile"
+              class="ch.qos.logback.core.rolling.RollingFileAppender">
+        <File>${LOG_HOME}/fileLog.log</File>
+        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+            <fileNamePattern>${LOG_HOME}/fileLog.log.%d.%i</fileNamePattern>
+            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
+                <maxFileSize>100 MB</maxFileSize>
+            </timeBasedFileNamingAndTriggeringPolicy>
+        </rollingPolicy>
+        <encoder>
+            <pattern>
+                %d %p (%file:%line\)- %m%n
+            </pattern>
+            <charset>UTF-8</charset>
+        </encoder>
+    </appender>
+
+    <!-- 日志输出级别 -->
+    <root level="info">
+        <appender-ref ref="Stdout" />
+        <appender-ref ref="RollingFile" />
+    </root>
+
+</configuration>

other/java/hdfs-over-ftp/users.properties

@@ -0,0 +1,12 @@
+#Generated file - don't edit (please)
+#Thu Mar 11 19:11:12 CST 2021
+ftpserver.user.test.idletime=0
+ftpserver.user.test.maxloginperip=0
+ftpserver.user.test.userpassword=44664D4D827C740293D2AA244FB60445
+ftpserver.user.test.enableflag=true
+ftpserver.user.test.maxloginnumber=0
+ftpserver.user.test.rename.push=true
+ftpserver.user.test.homedirectory=/buckets/test/
+ftpserver.user.test.downloadrate=0
+ftpserver.user.test.writepermission=true
+ftpserver.user.test.uploadrate=0

other/java/hdfs2/dependency-reduced-pom.xml

@@ -301,7 +301,7 @@
     </snapshotRepository>
   </distributionManagement>
   <properties>
-    <seaweedfs.client.version>1.6.2</seaweedfs.client.version>
+    <seaweedfs.client.version>1.6.6</seaweedfs.client.version>
     <hadoop.version>2.9.2</hadoop.version>
   </properties>
 </project>

other/java/hdfs2/pom.xml

@@ -5,7 +5,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <properties>
-        <seaweedfs.client.version>1.6.2</seaweedfs.client.version>
+        <seaweedfs.client.version>1.6.6</seaweedfs.client.version>
         <hadoop.version>2.9.2</hadoop.version>
     </properties>
 

other/java/hdfs3/dependency-reduced-pom.xml

@@ -309,7 +309,7 @@
     </snapshotRepository>
   </distributionManagement>
   <properties>
-    <seaweedfs.client.version>1.6.2</seaweedfs.client.version>
+    <seaweedfs.client.version>1.6.6</seaweedfs.client.version>
     <hadoop.version>3.1.1</hadoop.version>
   </properties>
 </project>

other/java/hdfs3/pom.xml

@@ -5,7 +5,7 @@
     <modelVersion>4.0.0</modelVersion>
 
     <properties>
-        <seaweedfs.client.version>1.6.2</seaweedfs.client.version>
+        <seaweedfs.client.version>1.6.6</seaweedfs.client.version>
         <hadoop.version>3.1.1</hadoop.version>
     </properties>
 

other/metrics/grafana_seaweedfs.json

@@ -1805,6 +1805,336 @@
               "show": true
             }
           ]
+        },
+        {
+          "type": "graph",
+          "title": "Process memory",
+          "gridPos": {
+            "x": 0,
+            "y": 40,
+            "w": 24,
+            "h": 7
+          },
+          "aliasColors": {},
+          "dashLength": 10,
+          "datasource": "${DS_PROMETHEUS-DEV}",
+          "fieldConfig": {
+            "defaults": {
+              "custom": {},
+              "links": []
+            },
+            "overrides": []
+          },
+          "fill": 1,
+          "id": 66,
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": true,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 1,
+          "links": [],
+          "nullPointMode": "null",
+          "options": {
+            "alertThreshold": true
+          },
+          "paceLength": 10,
+          "pluginVersion": "7.4.5",
+          "pointradius": 5,
+          "renderer": "flot",
+          "seriesOverrides": [
+            {
+              "$$hashKey": "object:258",
+              "alias": "max limit",
+              "color": "#890f02"
+            }
+          ],
+          "spaceLength": 10,
+          "targets": [
+            {
+              "expr": "process_resident_memory_bytes{exported_job=\"filer\"}",
+              "legendFormat": "resident {{exported_instance}}",
+              "interval": "",
+              "format": "time_series",
+              "groupBy": [
+                {
+                  "params": [
+                    "$__interval"
+                  ],
+                  "type": "time"
+                },
+                {
+                  "params": [
+                    "null"
+                  ],
+                  "type": "fill"
+                }
+              ],
+              "intervalFactor": 2,
+              "orderByTime": "ASC",
+              "policy": "default",
+              "refId": "A",
+              "resultFormat": "time_series",
+              "select": [
+                [
+                  {
+                    "params": [
+                      "value"
+                    ],
+                    "type": "field"
+                  },
+                  {
+                    "params": [],
+                    "type": "mean"
+                  }
+                ]
+              ],
+              "step": 120,
+              "tags": []
+            },
+            {
+              "expr": "process_virtual_memory_bytes{exported_job=\"filer\"}",
+              "legendFormat": "virtual {{exported_instance}}",
+              "interval": "",
+              "format": "time_series",
+              "intervalFactor": 2,
+              "refId": "B",
+              "step": 120
+            }
+          ],
+          "thresholds": [],
+          "timeRegions": [],
+          "tooltip": {
+            "shared": true,
+            "sort": 2,
+            "value_type": "individual"
+          },
+          "xaxis": {
+            "buckets": null,
+            "mode": "time",
+            "name": null,
+            "show": true,
+            "values": []
+          },
+          "yaxes": [
+            {
+              "$$hashKey": "object:265",
+              "format": "bytes",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            },
+            {
+              "$$hashKey": "object:266",
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            }
+          ],
+          "yaxis": {
+            "align": false,
+            "alignLevel": null
+          },
+          "bars": false,
+          "dashes": false,
+          "fillGradient": 0,
+          "hiddenSeries": false,
+          "percentage": false,
+          "points": false,
+          "stack": false,
+          "steppedLine": false,
+          "timeFrom": null,
+          "timeShift": null
+        },
+        {
+          "type": "graph",
+          "title": "Open File Descriptor",
+          "gridPos": {
+            "x": 0,
+            "y": 47,
+            "w": 24,
+            "h": 7
+          },
+          "aliasColors": {},
+          "dashLength": 10,
+          "datasource": "${DS_PROMETHEUS-DEV}",
+          "editable": true,
+          "fieldConfig": {
+            "defaults": {
+              "custom": {},
+              "links": []
+            },
+            "overrides": []
+          },
+          "fill": 1,
+          "id": 68,
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": true,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 1,
+          "links": [],
+          "nullPointMode": "connected",
+          "options": {
+            "alertThreshold": true
+          },
+          "paceLength": 10,
+          "pluginVersion": "7.4.5",
+          "pointradius": 5,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "spaceLength": 10,
+          "targets": [
+            {
+              "expr": "process_open_fds{exported_job=\"filer\"}",
+              "legendFormat": "{{exported_instance}}",
+              "interval": "",
+              "format": "time_series",
+              "groupBy": [
+                {
+                  "params": [
+                    "$interval"
+                  ],
+                  "type": "time"
+                },
+                {
+                  "params": [
+                    "null"
+                  ],
+                  "type": "fill"
+                }
+              ],
+              "intervalFactor": 2,
+              "metric": "",
+              "policy": "default",
+              "refId": "A",
+              "resultFormat": "time_series",
+              "select": [
+                [
+                  {
+                    "params": [
+                      "value"
+                    ],
+                    "type": "field"
+                  },
+                  {
+                    "params": [],
+                    "type": "mean"
+                  }
+                ]
+              ],
+              "step": 240,
+              "tags": []
+            },
+            {
+              "expr": "process_max_fds{exported_job=\"filer\"}",
+              "legendFormat": "{{exported_instance}}",
+              "interval": "",
+              "format": "time_series",
+              "groupBy": [
+                {
+                  "params": [
+                    "$interval"
+                  ],
+                  "type": "time"
+                },
+                {
+                  "params": [
+                    "null"
+                  ],
+                  "type": "fill"
+                }
+              ],
+              "intervalFactor": 2,
+              "metric": "",
+              "policy": "default",
+              "refId": "B",
+              "resultFormat": "time_series",
+              "select": [
+                [
+                  {
+                    "params": [
+                      "value"
+                    ],
+                    "type": "field"
+                  },
+                  {
+                    "params": [],
+                    "type": "mean"
+                  }
+                ]
+              ],
+              "step": 240,
+              "tags": [],
+              "hide": false
+            }
+          ],
+          "thresholds": [],
+          "timeRegions": [],
+          "tooltip": {
+            "msResolution": false,
+            "shared": true,
+            "sort": 0,
+            "value_type": "individual"
+          },
+          "xaxis": {
+            "buckets": null,
+            "mode": "time",
+            "name": null,
+            "show": true,
+            "values": []
+          },
+          "yaxes": [
+            {
+              "$$hashKey": "object:1087",
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            },
+            {
+              "$$hashKey": "object:1088",
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": true
+            }
+          ],
+          "yaxis": {
+            "align": false,
+            "alignLevel": null
+          },
+          "bars": false,
+          "dashes": false,
+          "error": false,
+          "fillGradient": 0,
+          "hiddenSeries": false,
+          "percentage": false,
+          "points": false,
+          "stack": false,
+          "steppedLine": false,
+          "timeFrom": null,
+          "timeShift": null
         }
       ],
       "repeat": null,

test/random_access/pom.xml

@@ -8,7 +8,7 @@
     <version>1.0-SNAPSHOT</version>
 
     <properties>
-        <guava.version>28.0-jre</guava.version>
+        <guava.version>30.0-jre</guava.version>
     </properties>
 
     <dependencies>

unmaintained/load_test/load_test_leveldb/load_test_leveldb.go

@@ -1,4 +1,4 @@
-package load_test_leveldb
+package main
 
 import (
 	"crypto/md5"

unmaintained/load_test/load_test_meta_tail/load_test_meta_tail.go

@@ -0,0 +1,108 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"google.golang.org/grpc"
+	"io"
+	"strconv"
+)
+
+var (
+	dir       = flag.String("dir", "/tmp", "directory to create files")
+	n         = flag.Int("n", 100, "the number of metadata")
+	tailFiler = flag.String("filer", "localhost:8888", "the filer address")
+	isWrite = flag.Bool("write", false, "only write")
+)
+
+func main() {
+
+	flag.Parse()
+
+	if *isWrite {
+		startGenerateMetadata()
+		return
+	}
+
+	expected := 0
+	startSubscribeMetadata(func(event *filer_pb.SubscribeMetadataResponse) error {
+		if event.Directory != *dir {
+			return nil
+		}
+		name := event.EventNotification.NewEntry.Name
+		fmt.Printf("=> %s\n", name)
+		id := name[4:]
+		if x, err := strconv.Atoi(id); err == nil {
+			if x != expected {
+				return fmt.Errorf("Expected file%d Actual %s\n", expected, name)
+			}
+			expected++
+		} else {
+			return err
+		}
+		return nil
+	})
+
+}
+
+func startGenerateMetadata() {
+	pb.WithFilerClient(*tailFiler, grpc.WithInsecure(), func(client filer_pb.SeaweedFilerClient) error {
+
+		for i := 0; i < *n; i++ {
+			name := fmt.Sprintf("file%d", i)
+			if err := filer_pb.CreateEntry(client, &filer_pb.CreateEntryRequest{
+				Directory: *dir,
+				Entry: &filer_pb.Entry{
+					Name: name,
+				},
+			}); err != nil {
+				fmt.Printf("create entry %s: %v\n", name, err)
+				return err
+			}
+		}
+
+		return nil
+
+	})
+}
+
+func startSubscribeMetadata(eachEntryFunc func(event *filer_pb.SubscribeMetadataResponse) error) {
+
+	lastTsNs := int64(0)
+
+	tailErr := pb.WithFilerClient(*tailFiler, grpc.WithInsecure(), func(client filer_pb.SeaweedFilerClient) error {
+
+		ctx, cancel := context.WithCancel(context.Background())
+		defer cancel()
+
+		stream, err := client.SubscribeMetadata(ctx, &filer_pb.SubscribeMetadataRequest{
+			ClientName: "tail",
+			PathPrefix: *dir,
+			SinceNs:    lastTsNs,
+		})
+		if err != nil {
+			return fmt.Errorf("listen: %v", err)
+		}
+
+		for {
+			resp, listenErr := stream.Recv()
+			if listenErr == io.EOF {
+				return nil
+			}
+			if listenErr != nil {
+				return listenErr
+			}
+			if err = eachEntryFunc(resp); err != nil {
+				return err
+			}
+			lastTsNs = resp.TsNs
+		}
+
+	})
+	if tailErr != nil {
+		fmt.Printf("tail %s: %v\n", *tailFiler, tailErr)
+	}
+}

unmaintained/repeated_vacuum/repeated_vacuum.go

@@ -52,7 +52,7 @@ func main() {
 }
 
 func genFile(grpcDialOption grpc.DialOption, i int) (*operation.AssignResult, string) {
-	assignResult, err := operation.Assign(*master, grpcDialOption, &operation.VolumeAssignRequest{
+	assignResult, err := operation.Assign(func() string { return *master }, grpcDialOption, &operation.VolumeAssignRequest{
 		Count:       1,
 		Replication: *replication,
 	})

weed/Makefile

@@ -16,7 +16,7 @@ debug_shell:
 
 debug_mount:
 	go build -gcflags="all=-N -l"
-	dlv --listen=:2345 --headless=true --api-version=2 --accept-multiclient exec weed -- mount -dir=~/tmp/mm -cacheCapacityMB=0 -filer.path=/buckets
+	dlv --listen=:2345 --headless=true --api-version=2 --accept-multiclient exec weed -- -v=4 mount -dir=~/tmp/mm -cacheCapacityMB=0 -filer.path=/buckets
 
 debug_server:
 	go build -gcflags="all=-N -l"

weed/command/benchmark.go

@@ -305,7 +305,7 @@ func readFiles(fileIdLineChan chan string, s *stat) {
 		}
 		var bytes []byte
 		for _, url := range urls {
-			bytes, _, err = util.FastGet(url)
+			bytes, _, err = util.Get(url)
 			if err == nil {
 				break
 			}

weed/command/command.go

@@ -22,9 +22,12 @@ var Commands = []*Command{
 	cmdFilerReplicate,
 	cmdFilerSynchronize,
 	cmdFix,
+	cmdFuse,
+	cmdGateway,
 	cmdMaster,
 	cmdMount,
 	cmdS3,
+	cmdIam,
 	cmdMsgBroker,
 	cmdScaffold,
 	cmdServer,

weed/command/export.go

@@ -215,7 +215,7 @@ func runExport(cmd *Command, args []string) bool {
 
 	err = storage.ScanVolumeFile(util.ResolvePath(*export.dir), *export.collection, vid, storage.NeedleMapInMemory, volumeFileScanner)
 	if err != nil && err != io.EOF {
-		glog.Fatalf("Export Volume File [ERROR] %s\n", err)
+		glog.Errorf("Export Volume File [ERROR] %s\n", err)
 	}
 	return true
 }

weed/command/filer.go

@@ -25,6 +25,8 @@ var (
 	filerS3Options     S3Options
 	filerStartWebDav   *bool
 	filerWebDavOptions WebDavOption
+	filerStartIam      *bool
+	filerIamOptions    IamOptions
 )
 
 type FilerOptions struct {
@@ -47,6 +49,7 @@ type FilerOptions struct {
 	metricsHttpPort         *int
 	saveToFilerLimit        *int
 	defaultLevelDbDirectory *string
+	concurrentUploadLimitMB *int
 }
 
 func init() {
@@ -59,7 +62,7 @@ func init() {
 	f.publicPort = cmdFiler.Flag.Int("port.readonly", 0, "readonly port opened to public")
 	f.defaultReplicaPlacement = cmdFiler.Flag.String("defaultReplicaPlacement", "", "default replication type. If not specified, use master setting.")
 	f.disableDirListing = cmdFiler.Flag.Bool("disableDirListing", false, "turn off directory listing")
-	f.maxMB = cmdFiler.Flag.Int("maxMB", 32, "split files larger than the limit")
+	f.maxMB = cmdFiler.Flag.Int("maxMB", 4, "split files larger than the limit")
 	f.dirListingLimit = cmdFiler.Flag.Int("dirListLimit", 100000, "limit sub dir listing size")
 	f.dataCenter = cmdFiler.Flag.String("dataCenter", "", "prefer to read and write to volumes in this data center")
 	f.rack = cmdFiler.Flag.String("rack", "", "prefer to write to volumes in this rack")
@@ -69,6 +72,7 @@ func init() {
 	f.metricsHttpPort = cmdFiler.Flag.Int("metricsPort", 0, "Prometheus metrics listen port")
 	f.saveToFilerLimit = cmdFiler.Flag.Int("saveToFilerLimit", 0, "files smaller than this limit will be saved in filer store")
 	f.defaultLevelDbDirectory = cmdFiler.Flag.String("defaultStoreDir", ".", "if filer.toml is empty, use an embedded filer store in the directory")
+	f.concurrentUploadLimitMB = cmdFiler.Flag.Int("concurrentUploadLimitMB", 128, "limit total concurrent upload size")
 
 	// start s3 on filer
 	filerStartS3 = cmdFiler.Flag.Bool("s3", false, "whether to start S3 gateway")
@@ -89,6 +93,10 @@ func init() {
 	filerWebDavOptions.tlsCertificate = cmdFiler.Flag.String("webdav.cert.file", "", "path to the TLS certificate file")
 	filerWebDavOptions.cacheDir = cmdFiler.Flag.String("webdav.cacheDir", os.TempDir(), "local cache directory for file chunks")
 	filerWebDavOptions.cacheSizeMB = cmdFiler.Flag.Int64("webdav.cacheCapacityMB", 1000, "local cache capacity in MB")
+
+	// start iam on filer
+	filerStartIam = cmdFiler.Flag.Bool("iam", false, "whether to start IAM service")
+	filerIamOptions.port = cmdFiler.Flag.Int("iam.port", 8111, "iam server http listen port")
 }
 
 var cmdFiler = &Command{
@@ -106,7 +114,7 @@ var cmdFiler = &Command{
 	GET /path/to/
 
 	The configuration file "filer.toml" is read from ".", "$HOME/.seaweedfs/", "/usr/local/etc/seaweedfs/", or "/etc/seaweedfs/", in that order.
-	If the "filer.toml" is not found, an embedded filer store will be craeted under "-defaultStoreDir".
+	If the "filer.toml" is not found, an embedded filer store will be created under "-defaultStoreDir".
 
 	The example filer.toml configuration file can be generated by "weed scaffold -config=filer"
 
@@ -119,22 +127,33 @@ func runFiler(cmd *Command, args []string) bool {
 
 	go stats_collect.StartMetricsServer(*f.metricsHttpPort)
 
+	filerAddress := fmt.Sprintf("%s:%d", *f.ip, *f.port)
+	startDelay := time.Duration(2)
 	if *filerStartS3 {
-		filerAddress := fmt.Sprintf("%s:%d", *f.ip, *f.port)
 		filerS3Options.filer = &filerAddress
 		go func() {
-			time.Sleep(2 * time.Second)
+			time.Sleep(startDelay * time.Second)
 			filerS3Options.startS3Server()
 		}()
+		startDelay++
 	}
 
 	if *filerStartWebDav {
-		filerAddress := fmt.Sprintf("%s:%d", *f.ip, *f.port)
 		filerWebDavOptions.filer = &filerAddress
 		go func() {
-			time.Sleep(2 * time.Second)
+			time.Sleep(startDelay * time.Second)
 			filerWebDavOptions.startWebDav()
 		}()
+		startDelay++
+	}
+
+	if *filerStartIam {
+		filerIamOptions.filer = &filerAddress
+		filerIamOptions.masters = f.masters
+		go func() {
+			time.Sleep(startDelay * time.Second)
+			filerIamOptions.startIamServer()
+		}()
 	}
 
 	f.startFiler()
@@ -159,21 +178,22 @@ func (fo *FilerOptions) startFiler() {
 	}
 
 	fs, nfs_err := weed_server.NewFilerServer(defaultMux, publicVolumeMux, &weed_server.FilerOption{
-		Masters:            strings.Split(*fo.masters, ","),
-		Collection:         *fo.collection,
-		DefaultReplication: *fo.defaultReplicaPlacement,
-		DisableDirListing:  *fo.disableDirListing,
-		MaxMB:              *fo.maxMB,
-		DirListingLimit:    *fo.dirListingLimit,
-		DataCenter:         *fo.dataCenter,
-		Rack:               *fo.rack,
-		DefaultLevelDbDir:  defaultLevelDbDirectory,
-		DisableHttp:        *fo.disableHttp,
-		Host:               *fo.ip,
-		Port:               uint32(*fo.port),
-		Cipher:             *fo.cipher,
-		SaveToFilerLimit:   *fo.saveToFilerLimit,
-		Filers:             peers,
+		Masters:               strings.Split(*fo.masters, ","),
+		Collection:            *fo.collection,
+		DefaultReplication:    *fo.defaultReplicaPlacement,
+		DisableDirListing:     *fo.disableDirListing,
+		MaxMB:                 *fo.maxMB,
+		DirListingLimit:       *fo.dirListingLimit,
+		DataCenter:            *fo.dataCenter,
+		Rack:                  *fo.rack,
+		DefaultLevelDbDir:     defaultLevelDbDirectory,
+		DisableHttp:           *fo.disableHttp,
+		Host:                  *fo.ip,
+		Port:                  uint32(*fo.port),
+		Cipher:                *fo.cipher,
+		SaveToFilerLimit:      int64(*fo.saveToFilerLimit),
+		Filers:                peers,
+		ConcurrentUploadLimit: int64(*fo.concurrentUploadLimitMB) * 1024 * 1024,
 	})
 	if nfs_err != nil {
 		glog.Fatalf("Filer startup error: %v", nfs_err)

weed/command/filer_copy.go

@@ -3,6 +3,7 @@ package command
 import (
 	"context"
 	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/filer"
 	"io"
 	"io/ioutil"
 	"net/http"
@@ -46,6 +47,8 @@ type CopyOptions struct {
 	masters           []string
 	cipher            bool
 	ttlSec            int32
+	checkSize         *bool
+	verbose           *bool
 }
 
 func init() {
@@ -56,9 +59,11 @@ func init() {
 	copy.collection = cmdCopy.Flag.String("collection", "", "optional collection name")
 	copy.ttl = cmdCopy.Flag.String("ttl", "", "time to live, e.g.: 1m, 1h, 1d, 1M, 1y")
 	copy.diskType = cmdCopy.Flag.String("disk", "", "[hdd|ssd|<tag>] hard drive or solid state drive or any tag")
-	copy.maxMB = cmdCopy.Flag.Int("maxMB", 32, "split files larger than the limit")
+	copy.maxMB = cmdCopy.Flag.Int("maxMB", 4, "split files larger than the limit")
 	copy.concurrenctFiles = cmdCopy.Flag.Int("c", 8, "concurrent file copy goroutines")
 	copy.concurrenctChunks = cmdCopy.Flag.Int("concurrentChunks", 8, "concurrent chunk copy goroutines for each file")
+	copy.checkSize = cmdCopy.Flag.Bool("check.size", false, "copy when the target file size is different from the source file")
+	copy.verbose = cmdCopy.Flag.Bool("verbose", false, "print out details during copying")
 }
 
 var cmdCopy = &Command{
@@ -207,27 +212,31 @@ func genFileCopyTask(fileOrDir string, destPath string, fileCopyTaskChan chan Fi
 	}
 
 	mode := fi.Mode()
-	if mode.IsDir() {
-		files, _ := ioutil.ReadDir(fileOrDir)
-		for _, subFileOrDir := range files {
-			if err = genFileCopyTask(fileOrDir+"/"+subFileOrDir.Name(), destPath+fi.Name()+"/", fileCopyTaskChan); err != nil {
-				return err
-			}
-		}
-		return nil
-	}
-
 	uid, gid := util.GetFileUidGid(fi)
+	fileSize := fi.Size()
+	if mode.IsDir() {
+		fileSize = 0
+	}
 
 	fileCopyTaskChan <- FileCopyTask{
 		sourceLocation:     fileOrDir,
 		destinationUrlPath: destPath,
-		fileSize:           fi.Size(),
+		fileSize:           fileSize,
 		fileMode:           fi.Mode(),
 		uid:                uid,
 		gid:                gid,
 	}
 
+	if mode.IsDir() {
+		files, _ := ioutil.ReadDir(fileOrDir)
+		for _, subFileOrDir := range files {
+			cleanedDestDirectory := filepath.Clean(destPath + fi.Name())
+			if err = genFileCopyTask(fileOrDir+"/"+subFileOrDir.Name(), cleanedDestDirectory+"/", fileCopyTaskChan); err != nil {
+				return err
+			}
+		}
+	}
+
 	return nil
 }
 
@@ -275,6 +284,15 @@ func (worker *FileCopyWorker) doEachCopy(task FileCopyTask) error {
 		}
 	}
 
+	if shouldCopy, err := worker.checkExistingFileFirst(task, f); err != nil {
+		return fmt.Errorf("check existing file: %v", err)
+	} else if !shouldCopy {
+		if *worker.options.verbose {
+			fmt.Printf("skipping copied file: %v\n", f.Name())
+		}
+		return nil
+	}
+
 	// find the chunk count
 	chunkSize := int64(*worker.options.maxMB * 1024 * 1024)
 	chunkCount := 1
@@ -289,42 +307,82 @@ func (worker *FileCopyWorker) doEachCopy(task FileCopyTask) error {
 	return worker.uploadFileInChunks(task, f, chunkCount, chunkSize)
 }
 
+func (worker *FileCopyWorker) checkExistingFileFirst(task FileCopyTask, f *os.File) (shouldCopy bool, err error) {
+
+	shouldCopy = true
+
+	if !*worker.options.checkSize {
+		return
+	}
+
+	fileStat, err := f.Stat()
+	if err != nil {
+		shouldCopy = false
+		return
+	}
+
+	err = pb.WithGrpcFilerClient(worker.filerGrpcAddress, worker.options.grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
+
+		request := &filer_pb.LookupDirectoryEntryRequest{
+			Directory: task.destinationUrlPath,
+			Name:      filepath.Base(f.Name()),
+		}
+
+		resp, lookupErr := client.LookupDirectoryEntry(context.Background(), request)
+		if lookupErr != nil {
+			// mostly not found error
+			return nil
+		}
+
+		if fileStat.Size() == int64(filer.FileSize(resp.Entry)) {
+			shouldCopy = false
+		}
+
+		return nil
+	})
+	return
+}
+
 func (worker *FileCopyWorker) uploadFileAsOne(task FileCopyTask, f *os.File) error {
 
 	// upload the file content
 	fileName := filepath.Base(f.Name())
-	mimeType := detectMimeType(f)
-	data, err := ioutil.ReadAll(f)
-	if err != nil {
-		return err
-	}
+	var mimeType string
 
 	var chunks []*filer_pb.FileChunk
 	var assignResult *filer_pb.AssignVolumeResponse
 	var assignError error
 
-	if task.fileSize > 0 {
+	if task.fileMode&os.ModeDir == 0 && task.fileSize > 0 {
+
+		mimeType = detectMimeType(f)
+		data, err := ioutil.ReadAll(f)
+		if err != nil {
+			return err
+		}
 
 		// assign a volume
-		err := pb.WithGrpcFilerClient(worker.filerGrpcAddress, worker.options.grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
+		err = util.Retry("assignVolume", func() error {
+			return pb.WithGrpcFilerClient(worker.filerGrpcAddress, worker.options.grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
 
-			request := &filer_pb.AssignVolumeRequest{
-				Count:       1,
-				Replication: *worker.options.replication,
-				Collection:  *worker.options.collection,
-				TtlSec:      worker.options.ttlSec,
-				DiskType:    *worker.options.diskType,
-				Path:        task.destinationUrlPath,
-			}
+				request := &filer_pb.AssignVolumeRequest{
+					Count:       1,
+					Replication: *worker.options.replication,
+					Collection:  *worker.options.collection,
+					TtlSec:      worker.options.ttlSec,
+					DiskType:    *worker.options.diskType,
+					Path:        task.destinationUrlPath,
+				}
 
-			assignResult, assignError = client.AssignVolume(context.Background(), request)
-			if assignError != nil {
-				return fmt.Errorf("assign volume failure %v: %v", request, assignError)
-			}
-			if assignResult.Error != "" {
-				return fmt.Errorf("assign volume failure %v: %v", request, assignResult.Error)
-			}
-			return nil
+				assignResult, assignError = client.AssignVolume(context.Background(), request)
+				if assignError != nil {
+					return fmt.Errorf("assign volume failure %v: %v", request, assignError)
+				}
+				if assignResult.Error != "" {
+					return fmt.Errorf("assign volume failure %v: %v", request, assignResult.Error)
+				}
+				return nil
+			})
 		})
 		if err != nil {
 			return fmt.Errorf("Failed to assign from %v: %v\n", worker.options.masters, err)
@@ -339,11 +397,13 @@ func (worker *FileCopyWorker) uploadFileAsOne(task FileCopyTask, f *os.File) err
 		if uploadResult.Error != "" {
 			return fmt.Errorf("upload %v to %s result: %v\n", fileName, targetUrl, uploadResult.Error)
 		}
-		fmt.Printf("uploaded %s to %s\n", fileName, targetUrl)
+		if *worker.options.verbose {
+			fmt.Printf("uploaded %s to %s\n", fileName, targetUrl)
+		}
 
 		chunks = append(chunks, uploadResult.ToPbFileChunk(assignResult.FileId, 0))
 
-		fmt.Printf("copied %s => http://%s%s%s\n", fileName, worker.filerHost, task.destinationUrlPath, fileName)
+		fmt.Printf("copied %s => http://%s%s%s\n", f.Name(), worker.filerHost, task.destinationUrlPath, fileName)
 	}
 
 	if err := pb.WithGrpcFilerClient(worker.filerGrpcAddress, worker.options.grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
@@ -402,31 +462,30 @@ func (worker *FileCopyWorker) uploadFileInChunks(task FileCopyTask, f *os.File,
 			// assign a volume
 			var assignResult *filer_pb.AssignVolumeResponse
 			var assignError error
-			err := pb.WithGrpcFilerClient(worker.filerGrpcAddress, worker.options.grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
-				request := &filer_pb.AssignVolumeRequest{
-					Count:       1,
-					Replication: *worker.options.replication,
-					Collection:  *worker.options.collection,
-					TtlSec:      worker.options.ttlSec,
-					DiskType:    *worker.options.diskType,
-					Path:        task.destinationUrlPath + fileName,
-				}
+			err := util.Retry("assignVolume", func() error {
+				return pb.WithGrpcFilerClient(worker.filerGrpcAddress, worker.options.grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
+					request := &filer_pb.AssignVolumeRequest{
+						Count:       1,
+						Replication: *worker.options.replication,
+						Collection:  *worker.options.collection,
+						TtlSec:      worker.options.ttlSec,
+						DiskType:    *worker.options.diskType,
+						Path:        task.destinationUrlPath + fileName,
+					}
 
-				assignResult, assignError = client.AssignVolume(context.Background(), request)
-				if assignError != nil {
-					return fmt.Errorf("assign volume failure %v: %v", request, assignError)
-				}
-				if assignResult.Error != "" {
-					return fmt.Errorf("assign volume failure %v: %v", request, assignResult.Error)
-				}
-				return nil
+					assignResult, assignError = client.AssignVolume(context.Background(), request)
+					if assignError != nil {
+						return fmt.Errorf("assign volume failure %v: %v", request, assignError)
+					}
+					if assignResult.Error != "" {
+						return fmt.Errorf("assign volume failure %v: %v", request, assignResult.Error)
+					}
+					return nil
+				})
 			})
 			if err != nil {
 				fmt.Printf("Failed to assign from %v: %v\n", worker.options.masters, err)
 			}
-			if err != nil {
-				fmt.Printf("Failed to assign from %v: %v\n", worker.options.masters, err)
-			}
 
 			targetUrl := "http://" + assignResult.Url + "/" + assignResult.FileId
 			if collection == "" {
@@ -498,7 +557,7 @@ func (worker *FileCopyWorker) uploadFileInChunks(task FileCopyTask, f *os.File,
 		return fmt.Errorf("upload data %v to http://%s%s%s: %v\n", fileName, worker.filerHost, task.destinationUrlPath, fileName, err)
 	}
 
-	fmt.Printf("copied %s => http://%s%s%s\n", fileName, worker.filerHost, task.destinationUrlPath, fileName)
+	fmt.Printf("copied %s => http://%s%s%s\n", f.Name(), worker.filerHost, task.destinationUrlPath, fileName)
 
 	return nil
 }

weed/command/filer_sync.go

@@ -359,16 +359,19 @@ func genProcessFunction(sourcePath string, targetPath string, dataSink sink.Repl
 	return processEventFn
 }
 
-func buildKey(dataSink sink.ReplicationSink, message *filer_pb.EventNotification, targetPath string, sourceKey util.FullPath, sourcePath string) string {
+func buildKey(dataSink sink.ReplicationSink, message *filer_pb.EventNotification, targetPath string, sourceKey util.FullPath, sourcePath string) (key string) {
 	if !dataSink.IsIncremental() {
-		return util.Join(targetPath, string(sourceKey)[len(sourcePath):])
+		key = util.Join(targetPath, string(sourceKey)[len(sourcePath):])
+	} else {
+		var mTime int64
+		if message.NewEntry != nil {
+			mTime = message.NewEntry.Attributes.Mtime
+		} else if message.OldEntry != nil {
+			mTime = message.OldEntry.Attributes.Mtime
+		}
+		dateKey := time.Unix(mTime, 0).Format("2006-01-02")
+		key = util.Join(targetPath, dateKey, string(sourceKey)[len(sourcePath):])
 	}
-	var mTime int64
-	if message.NewEntry != nil {
-		mTime = message.NewEntry.Attributes.Mtime
-	} else if message.OldEntry != nil {
-		mTime = message.OldEntry.Attributes.Mtime
-	}
-	dateKey := time.Unix(mTime, 0).Format("2006-01-02")
-	return util.Join(targetPath, dateKey, string(sourceKey)[len(sourcePath):])
+
+	return escapeKey(key)
 }

weed/command/filer_sync_std.go

@@ -0,0 +1,7 @@
+// +build !windows
+
+package command
+
+func escapeKey(key string) string {
+	return key
+}

weed/command/filer_sync_windows.go

@@ -0,0 +1,12 @@
+package command
+
+import (
+	"strings"
+)
+
+func escapeKey(key string) string {
+	if strings.Contains(key, ":") {
+		return strings.ReplaceAll(key, ":", "")
+	}
+	return key
+}

weed/command/fuse.go

@@ -0,0 +1,246 @@
+package command
+
+import (
+	"fmt"
+	"strings"
+	"strconv"
+	"time"
+	"os"
+)
+
+func init() {
+	cmdFuse.Run = runFuse // break init cycle
+}
+
+type parameter struct {
+	name string
+	value string
+}
+
+func runFuse(cmd *Command, args []string) bool {
+	rawArgs := strings.Join(args, " ")
+	rawArgsLen := len(rawArgs)
+	option := strings.Builder{}
+	options := []parameter{}
+	masterProcess := true
+
+	// first parameter
+	i := 0
+	for i = 0; i < rawArgsLen && rawArgs[i] != ' '; i++ {
+		option.WriteByte(rawArgs[i])
+	}
+	options = append(options, parameter{"arg0", option.String()})
+	option.Reset()
+
+	for i++; i < rawArgsLen; i++ {
+
+		// space separator check for filled option
+		if rawArgs[i] == ' ' {
+			if option.Len() > 0 {
+				options = append(options, parameter{option.String(), "true"})
+				option.Reset()
+			}
+
+		// dash separator read option until next space
+		} else if rawArgs[i] == '-' {
+			for i++; i < rawArgsLen && rawArgs[i] != ' '; i++ {
+				option.WriteByte(rawArgs[i])
+			}
+			options = append(options, parameter{option.String(), "true"})
+			option.Reset()
+
+		// equal separator start option with pending value
+		} else if rawArgs[i] == '=' {
+			name := option.String()
+			option.Reset()
+
+			for i++; i < rawArgsLen && rawArgs[i] != ','; i++ {
+				// double quote separator read option until next double quote
+				if rawArgs[i] == '"' {
+					for i++; i < rawArgsLen && rawArgs[i] != '"'; i++ {
+						option.WriteByte(rawArgs[i])
+					}
+
+				// single quote separator read option until next single quote
+				} else if rawArgs[i] == '\'' {
+					for i++; i < rawArgsLen && rawArgs[i] != '\''; i++ {
+						option.WriteByte(rawArgs[i])
+					}
+
+				// add chars before comma
+				} else if rawArgs[i] != ' ' {
+					option.WriteByte(rawArgs[i])
+				}
+			}
+
+			options = append(options, parameter{name, option.String()})
+			option.Reset()
+
+		// comma separator just read current option
+		} else if rawArgs[i] == ',' {
+			options = append(options, parameter{option.String(), "true"})
+			option.Reset()
+
+		// what is not a separator fill option buffer
+		} else {
+			option.WriteByte(rawArgs[i])
+		}
+	}
+
+	// get residual option data
+	if option.Len() > 0 {
+		// add value to pending option
+		options = append(options, parameter{option.String(), "true"})
+		option.Reset()
+	}
+
+	// scan each parameter
+	for i := 0; i < len(options); i++ {
+		parameter := options[i]
+
+		switch parameter.name  {
+		case "child":
+			masterProcess = false
+		case "arg0":
+			mountOptions.dir = &parameter.value
+		case "filer":
+			mountOptions.filer = &parameter.value
+		case "filer.path":
+			mountOptions.filerMountRootPath = &parameter.value
+		case "dirAutoCreate":
+			if parsed, err := strconv.ParseBool(parameter.value); err != nil {
+				mountOptions.dirAutoCreate = &parsed
+			} else {
+				panic(fmt.Errorf("dirAutoCreate: %s", err))
+			}
+		case "collection":
+			mountOptions.collection = &parameter.value
+		case "replication":
+			mountOptions.replication = &parameter.value
+		case "disk":
+			mountOptions.diskType = &parameter.value
+		case "ttl":
+			if parsed, err := strconv.ParseInt(parameter.value, 0, 32); err != nil {
+				intValue := int(parsed)
+				mountOptions.ttlSec = &intValue
+			} else {
+				panic(fmt.Errorf("ttl: %s", err))
+			}
+		case "chunkSizeLimitMB":
+			if parsed, err := strconv.ParseInt(parameter.value, 0, 32); err != nil {
+				intValue := int(parsed)
+				mountOptions.chunkSizeLimitMB = &intValue
+			} else {
+				panic(fmt.Errorf("chunkSizeLimitMB: %s", err))
+			}
+		case "concurrentWriters":
+			i++
+			if parsed, err := strconv.ParseInt(parameter.value, 0, 32); err != nil {
+				intValue := int(parsed)
+				mountOptions.concurrentWriters = &intValue
+			} else {
+				panic(fmt.Errorf("concurrentWriters: %s", err))
+			}
+		case "cacheDir":
+			mountOptions.cacheDir = &parameter.value
+		case "cacheCapacityMB":
+			if parsed, err := strconv.ParseInt(parameter.value, 0, 64); err != nil {
+				mountOptions.cacheSizeMB = &parsed
+			} else {
+				panic(fmt.Errorf("cacheCapacityMB: %s", err))
+			}
+		case "dataCenter":
+			mountOptions.dataCenter = &parameter.value
+		case "allowOthers":
+			if parsed, err := strconv.ParseBool(parameter.value); err != nil {
+				mountOptions.allowOthers = &parsed
+			} else {
+				panic(fmt.Errorf("allowOthers: %s", err))
+			}
+		case "umask":
+			mountOptions.umaskString = &parameter.value
+		case "nonempty":
+			if parsed, err := strconv.ParseBool(parameter.value); err != nil {
+				mountOptions.nonempty = &parsed
+			} else {
+				panic(fmt.Errorf("nonempty: %s", err))
+			}
+		case "volumeServerAccess":
+			mountOptions.volumeServerAccess = &parameter.value
+		case "map.uid":
+			mountOptions.uidMap = &parameter.value
+		case "map.gid":
+			mountOptions.gidMap = &parameter.value
+		case "readOnly":
+			if parsed, err := strconv.ParseBool(parameter.value); err != nil {
+				mountOptions.readOnly = &parsed
+			} else {
+				panic(fmt.Errorf("readOnly: %s", err))
+			}
+		case "cpuprofile":
+			mountCpuProfile = &parameter.value
+		case "memprofile":
+			mountMemProfile = &parameter.value
+		case "readRetryTime":
+			if parsed, err := time.ParseDuration(parameter.value); err != nil {
+				mountReadRetryTime = &parsed
+			} else {
+				panic(fmt.Errorf("readRetryTime: %s", err))
+			}
+		}
+	}
+
+	// the master start the child, release it then finish himself
+	if masterProcess {
+		arg0 := os.Args[0]
+		argv := append(os.Args, "-o", "child")
+
+		attr := os.ProcAttr{}
+		child, err := os.StartProcess(arg0, argv, &attr)
+
+		if err != nil {
+			panic(fmt.Errorf("master process can not start child process: %s", err))
+		}
+
+		err = child.Release()
+
+		if err != nil {
+			panic(fmt.Errorf("master process can not release child process: %s", err))
+		}
+
+		return true
+	}
+
+	// I don't know why PATH environment variable is lost
+	if err := os.Setenv("PATH", "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin"); err != nil {
+		panic(fmt.Errorf("setenv: %s", err))
+	}
+
+	// just call "weed mount" command
+	return runMount(cmdMount, []string{})
+}
+
+var cmdFuse = &Command{
+	UsageLine: "fuse /mnt/mount/point -o \"filer=localhost:8888,filer.path=/\"",
+	Short: "Allow use weed with linux's mount command",
+	Long: `Allow use weed with linux's mount command
+
+  You can use -t weed on mount command:
+  mv weed /sbin/mount.weed
+  mount -t weed fuse /mnt -o "filer=localhost:8888,filer.path=/"
+
+  Or you can use -t fuse on mount command:
+  mv weed /sbin/weed
+  mount -t fuse.weed fuse /mnt -o "filer=localhost:8888,filer.path=/"
+  mount -t fuse "weed#fuse" /mnt -o "filer=localhost:8888,filer.path=/"
+
+  To use without mess with your /sbin:
+  mount -t fuse./home/user/bin/weed fuse /mnt -o "filer=localhost:8888,filer.path=/"
+  mount -t fuse "/home/user/bin/weed#fuse" /mnt -o "filer=localhost:8888,filer.path=/"
+
+  To pass more than one parameter use quotes, example:
+  mount -t weed fuse /mnt -o "filer='192.168.0.1:8888,192.168.0.2:8888',filer.path=/"
+
+  To check valid options look "weed mount --help"
+  `,
+}

weed/command/gateway.go

@@ -0,0 +1,93 @@
+package command
+
+import (
+	"net/http"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/chrislusf/seaweedfs/weed/glog"
+	"github.com/chrislusf/seaweedfs/weed/server"
+	"github.com/chrislusf/seaweedfs/weed/util"
+)
+
+var (
+	gatewayOptions GatewayOptions
+)
+
+type GatewayOptions struct {
+	masters *string
+	filers  *string
+	bindIp  *string
+	port    *int
+	maxMB   *int
+}
+
+func init() {
+	cmdGateway.Run = runGateway // break init cycle
+	gatewayOptions.masters = cmdGateway.Flag.String("master", "localhost:9333", "comma-separated master servers")
+	gatewayOptions.filers = cmdGateway.Flag.String("filer", "localhost:8888", "comma-separated filer servers")
+	gatewayOptions.bindIp = cmdGateway.Flag.String("ip.bind", "localhost", "ip address to bind to")
+	gatewayOptions.port = cmdGateway.Flag.Int("port", 5647, "gateway http listen port")
+	gatewayOptions.maxMB = cmdGateway.Flag.Int("maxMB", 4, "split files larger than the limit")
+}
+
+var cmdGateway = &Command{
+	UsageLine: "gateway -port=8888 -master=<ip:port>[,<ip:port>]* -filer=<ip:port>[,<ip:port>]*",
+	Short:     "start a gateway server that points to a list of master servers or a list of filers",
+	Long: `start a gateway server which accepts REST operation to write any blobs, files, or topic messages.
+
+	POST /blobs/
+		upload the blob and return a chunk id
+	DELETE /blobs/<chunk_id>
+		delete a chunk id
+
+	/*
+	POST /files/path/to/a/file
+		save /path/to/a/file on filer 
+	DELETE /files/path/to/a/file
+		delete /path/to/a/file on filer 
+
+	POST /topics/topicName
+		save on filer to /topics/topicName/<ds>/ts.json
+	*/
+`,
+}
+
+func runGateway(cmd *Command, args []string) bool {
+
+	util.LoadConfiguration("security", false)
+
+	gatewayOptions.startGateway()
+
+	return true
+}
+
+func (gw *GatewayOptions) startGateway() {
+
+	defaultMux := http.NewServeMux()
+
+	_, gws_err := weed_server.NewGatewayServer(defaultMux, &weed_server.GatewayOption{
+		Masters: strings.Split(*gw.masters, ","),
+		Filers:  strings.Split(*gw.filers, ","),
+		MaxMB:   *gw.maxMB,
+	})
+	if gws_err != nil {
+		glog.Fatalf("Gateway startup error: %v", gws_err)
+	}
+
+	glog.V(0).Infof("Start Seaweed Gateway %s at %s:%d", util.Version(), *gw.bindIp, *gw.port)
+	gatewayListener, e := util.NewListener(
+		*gw.bindIp+":"+strconv.Itoa(*gw.port),
+		time.Duration(10)*time.Second,
+	)
+	if e != nil {
+		glog.Fatalf("Filer listener error: %v", e)
+	}
+
+	httpS := &http.Server{Handler: defaultMux}
+	if err := httpS.Serve(gatewayListener); err != nil {
+		glog.Fatalf("Gateway Fail to serve: %v", e)
+	}
+
+}

weed/command/iam.go

@@ -0,0 +1,97 @@
+package command
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+
+	"github.com/chrislusf/seaweedfs/weed/glog"
+	"github.com/chrislusf/seaweedfs/weed/iamapi"
+	"github.com/chrislusf/seaweedfs/weed/pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
+	"github.com/chrislusf/seaweedfs/weed/security"
+	"github.com/chrislusf/seaweedfs/weed/util"
+	"github.com/gorilla/mux"
+	"time"
+)
+
+var (
+	iamStandaloneOptions IamOptions
+)
+
+type IamOptions struct {
+	filer   *string
+	masters *string
+	port    *int
+}
+
+func init() {
+	cmdIam.Run = runIam // break init cycle
+	iamStandaloneOptions.filer = cmdIam.Flag.String("filer", "localhost:8888", "filer server address")
+	iamStandaloneOptions.masters = cmdIam.Flag.String("master", "localhost:9333", "comma-separated master servers")
+	iamStandaloneOptions.port = cmdIam.Flag.Int("port", 8111, "iam server http listen port")
+}
+
+var cmdIam = &Command{
+	UsageLine: "iam [-port=8111] [-filer=<ip:port>] [-masters=<ip:port>,<ip:port>]",
+	Short:     "start a iam API compatible server",
+	Long:      "start a iam API compatible server.",
+}
+
+func runIam(cmd *Command, args []string) bool {
+	return iamStandaloneOptions.startIamServer()
+}
+
+func (iamopt *IamOptions) startIamServer() bool {
+	filerGrpcAddress, err := pb.ParseServerToGrpcAddress(*iamopt.filer)
+	if err != nil {
+		glog.Fatal(err)
+		return false
+	}
+
+	grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
+	for {
+		err = pb.WithGrpcFilerClient(filerGrpcAddress, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
+			resp, err := client.GetFilerConfiguration(context.Background(), &filer_pb.GetFilerConfigurationRequest{})
+			if err != nil {
+				return fmt.Errorf("get filer %s configuration: %v", filerGrpcAddress, err)
+			}
+			glog.V(0).Infof("IAM read filer configuration: %s", resp)
+			return nil
+		})
+		if err != nil {
+			glog.V(0).Infof("wait to connect to filer %s grpc address %s", *iamopt.filer, filerGrpcAddress)
+			time.Sleep(time.Second)
+		} else {
+			glog.V(0).Infof("connected to filer %s grpc address %s", *iamopt.filer, filerGrpcAddress)
+			break
+		}
+	}
+
+	router := mux.NewRouter().SkipClean(true)
+	_, iamApiServer_err := iamapi.NewIamApiServer(router, &iamapi.IamServerOption{
+		Filer:            *iamopt.filer,
+		Port:             *iamopt.port,
+		FilerGrpcAddress: filerGrpcAddress,
+		GrpcDialOption:   grpcDialOption,
+	})
+	glog.V(0).Info("NewIamApiServer created")
+	if iamApiServer_err != nil {
+		glog.Fatalf("IAM API Server startup error: %v", iamApiServer_err)
+	}
+
+	httpS := &http.Server{Handler: router}
+
+	listenAddress := fmt.Sprintf(":%d", *iamopt.port)
+	iamApiListener, err := util.NewListener(listenAddress, time.Duration(10)*time.Second)
+	if err != nil {
+		glog.Fatalf("IAM API Server listener on %s error: %v", listenAddress, err)
+	}
+
+	glog.V(0).Infof("Start Seaweed IAM API Server %s at http port %d", util.Version(), *iamopt.port)
+	if err = httpS.Serve(iamApiListener); err != nil {
+		glog.Fatalf("IAM API Server Fail to serve: %v", err)
+	}
+
+	return true
+}

weed/command/master.go

@@ -6,7 +6,6 @@ import (
 	"google.golang.org/grpc/reflection"
 	"net/http"
 	"os"
-	"runtime"
 	"sort"
 	"strconv"
 	"strings"
@@ -48,7 +47,7 @@ type MasterOptions struct {
 func init() {
 	cmdMaster.Run = runMaster // break init cycle
 	m.port = cmdMaster.Flag.Int("port", 9333, "http listen port")
-	m.ip = cmdMaster.Flag.String("ip", util.DetectedHostAddress(), "master <ip>|<server> address")
+	m.ip = cmdMaster.Flag.String("ip", util.DetectedHostAddress(), "master <ip>|<server> address, also used as identifier")
 	m.ipBind = cmdMaster.Flag.String("ip.bind", "", "ip address to bind to")
 	m.metaFolder = cmdMaster.Flag.String("mdir", os.TempDir(), "data directory to store meta data")
 	m.peers = cmdMaster.Flag.String("peers", "", "all master nodes in comma separated ip:port list, example: 127.0.0.1:9093,127.0.0.1:9094,127.0.0.1:9095")
@@ -86,7 +85,6 @@ func runMaster(cmd *Command, args []string) bool {
 	util.LoadConfiguration("security", false)
 	util.LoadConfiguration("master", false)
 
-	runtime.GOMAXPROCS(runtime.NumCPU())
 	grace.SetupProfiling(*masterCpuProfile, *masterMemProfile)
 
 	parent, _ := util.FullPath(*m.metaFolder).DirAndName()

weed/command/mount.go

@@ -25,6 +25,7 @@ type MountOptions struct {
 	volumeServerAccess *string
 	uidMap             *string
 	gidMap             *string
+	readOnly           *bool
 }
 
 var (
@@ -36,7 +37,7 @@ var (
 
 func init() {
 	cmdMount.Run = runMount // break init cycle
-	mountOptions.filer = cmdMount.Flag.String("filer", "localhost:8888", "weed filer location")
+	mountOptions.filer = cmdMount.Flag.String("filer", "localhost:8888", "comma-separated weed filer location")
 	mountOptions.filerMountRootPath = cmdMount.Flag.String("filer.path", "/", "mount this remote path from filer server")
 	mountOptions.dir = cmdMount.Flag.String("dir", ".", "mount weed filer to this directory")
 	mountOptions.dirAutoCreate = cmdMount.Flag.Bool("dirAutoCreate", false, "auto create the directory to mount to")
@@ -45,7 +46,7 @@ func init() {
 	mountOptions.diskType = cmdMount.Flag.String("disk", "", "[hdd|ssd|<tag>] hard drive or solid state drive or any tag")
 	mountOptions.ttlSec = cmdMount.Flag.Int("ttl", 0, "file ttl in seconds")
 	mountOptions.chunkSizeLimitMB = cmdMount.Flag.Int("chunkSizeLimitMB", 2, "local write buffer size, also chunk large files")
-	mountOptions.concurrentWriters = cmdMount.Flag.Int("concurrentWriters", 128, "limit concurrent goroutine writers if not 0")
+	mountOptions.concurrentWriters = cmdMount.Flag.Int("concurrentWriters", 32, "limit concurrent goroutine writers if not 0")
 	mountOptions.cacheDir = cmdMount.Flag.String("cacheDir", os.TempDir(), "local cache directory for file chunks and meta data")
 	mountOptions.cacheSizeMB = cmdMount.Flag.Int64("cacheCapacityMB", 1000, "local file chunk cache capacity in MB (0 will disable cache)")
 	mountOptions.dataCenter = cmdMount.Flag.String("dataCenter", "", "prefer to write to the data center")
@@ -55,6 +56,7 @@ func init() {
 	mountOptions.volumeServerAccess = cmdMount.Flag.String("volumeServerAccess", "direct", "access volume servers by [direct|publicUrl|filerProxy]")
 	mountOptions.uidMap = cmdMount.Flag.String("map.uid", "", "map local uid to uid on filer, comma-separated <local_uid>:<filer_uid>")
 	mountOptions.gidMap = cmdMount.Flag.String("map.gid", "", "map local gid to gid on filer, comma-separated <local_gid>:<filer_gid>")
+	mountOptions.readOnly = cmdMount.Flag.Bool("readOnly", false, "read only")
 
 	mountCpuProfile = cmdMount.Flag.String("cpuprofile", "", "cpu profile output file")
 	mountMemProfile = cmdMount.Flag.String("memprofile", "", "memory profile output file")

weed/command/mount_std.go

@@ -5,15 +5,18 @@ package command
 import (
 	"context"
 	"fmt"
-	"github.com/chrislusf/seaweedfs/weed/storage/types"
 	"os"
 	"os/user"
 	"path"
+	"path/filepath"
 	"runtime"
 	"strconv"
 	"strings"
+	"syscall"
 	"time"
 
+	"github.com/chrislusf/seaweedfs/weed/storage/types"
+
 	"github.com/chrislusf/seaweedfs/weed/filesys/meta_cache"
 
 	"github.com/seaweedfs/fuse"
@@ -49,11 +52,26 @@ func runMount(cmd *Command, args []string) bool {
 	return RunMount(&mountOptions, os.FileMode(umask))
 }
 
+func getParentInode(mountDir string) (uint64, error) {
+	parentDir := filepath.Clean(filepath.Join(mountDir, ".."))
+	fi, err := os.Stat(parentDir)
+	if err != nil {
+		return 0, err
+	}
+
+	stat, ok := fi.Sys().(*syscall.Stat_t)
+	if !ok {
+		return 0, nil
+	}
+
+	return stat.Ino, nil
+}
+
 func RunMount(option *MountOptions, umask os.FileMode) bool {
 
-	filer := *option.filer
+	filers := strings.Split(*option.filer, ",")
 	// parse filer grpc address
-	filerGrpcAddress, err := pb.ParseServerToGrpcAddress(filer)
+	filerGrpcAddresses, err := pb.ParseServersToGrpcAddresses(filers)
 	if err != nil {
 		glog.V(0).Infof("ParseFilerGrpcAddress: %v", err)
 		return true
@@ -64,34 +82,40 @@ func RunMount(option *MountOptions, umask os.FileMode) bool {
 	grpcDialOption := security.LoadClientTLS(util.GetViper(), "grpc.client")
 	var cipher bool
 	for i := 0; i < 10; i++ {
-		err = pb.WithGrpcFilerClient(filerGrpcAddress, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
+		err = pb.WithOneOfGrpcFilerClients(filerGrpcAddresses, grpcDialOption, func(client filer_pb.SeaweedFilerClient) error {
 			resp, err := client.GetFilerConfiguration(context.Background(), &filer_pb.GetFilerConfigurationRequest{})
 			if err != nil {
-				return fmt.Errorf("get filer grpc address %s configuration: %v", filerGrpcAddress, err)
+				return fmt.Errorf("get filer grpc address %v configuration: %v", filerGrpcAddresses, err)
 			}
 			cipher = resp.Cipher
 			return nil
 		})
 		if err != nil {
-			glog.V(0).Infof("failed to talk to filer %s: %v", filerGrpcAddress, err)
+			glog.V(0).Infof("failed to talk to filer %v: %v", filerGrpcAddresses, err)
 			glog.V(0).Infof("wait for %d seconds ...", i+1)
 			time.Sleep(time.Duration(i+1) * time.Second)
 		}
 	}
 	if err != nil {
-		glog.Errorf("failed to talk to filer %s: %v", filerGrpcAddress, err)
+		glog.Errorf("failed to talk to filer %v: %v", filerGrpcAddresses, err)
 		return true
 	}
 
 	filerMountRootPath := *option.filerMountRootPath
 	dir := util.ResolvePath(*option.dir)
-	chunkSizeLimitMB := *mountOptions.chunkSizeLimitMB
+	parentInode, err := getParentInode(dir)
+	if err != nil {
+		glog.Errorf("failed to retrieve inode for parent directory of %s: %v", dir, err)
+		return true
+	}
 
 	fmt.Printf("This is SeaweedFS version %s %s %s\n", util.Version(), runtime.GOOS, runtime.GOARCH)
 	if dir == "" {
 		fmt.Printf("Please specify the mount directory via \"-dir\"")
 		return false
 	}
+
+	chunkSizeLimitMB := *mountOptions.chunkSizeLimitMB
 	if chunkSizeLimitMB <= 0 {
 		fmt.Printf("Please specify a reasonable buffer size.")
 		return false
@@ -145,12 +169,10 @@ func RunMount(option *MountOptions, umask os.FileMode) bool {
 
 	options := []fuse.MountOption{
 		fuse.VolumeName(mountName),
-		fuse.FSName(filer + ":" + filerMountRootPath),
+		fuse.FSName(*option.filer + ":" + filerMountRootPath),
 		fuse.Subtype("seaweedfs"),
 		// fuse.NoAppleDouble(), // include .DS_Store, otherwise can not delete non-empty folders
 		fuse.NoAppleXattr(),
-		fuse.NoBrowse(),
-		fuse.AutoXattr(),
 		fuse.ExclCreate(),
 		fuse.DaemonTimeout("3600"),
 		fuse.AllowSUID(),
@@ -169,6 +191,9 @@ func RunMount(option *MountOptions, umask os.FileMode) bool {
 	if *option.nonempty {
 		options = append(options, fuse.AllowNonEmptyMount())
 	}
+	if *option.readOnly {
+		options = append(options, fuse.ReadOnly())
+	}
 
 	// find mount point
 	mountRoot := filerMountRootPath
@@ -180,8 +205,8 @@ func RunMount(option *MountOptions, umask os.FileMode) bool {
 
 	seaweedFileSystem := filesys.NewSeaweedFileSystem(&filesys.Option{
 		MountDirectory:     dir,
-		FilerAddress:       filer,
-		FilerGrpcAddress:   filerGrpcAddress,
+		FilerAddresses:     filers,
+		FilerGrpcAddresses: filerGrpcAddresses,
 		GrpcDialOption:     grpcDialOption,
 		FilerMountRootPath: mountRoot,
 		Collection:         *option.collection,
@@ -193,12 +218,12 @@ func RunMount(option *MountOptions, umask os.FileMode) bool {
 		CacheDir:           *option.cacheDir,
 		CacheSizeMB:        *option.cacheSizeMB,
 		DataCenter:         *option.dataCenter,
-		EntryCacheTtl:      3 * time.Second,
 		MountUid:           uid,
 		MountGid:           gid,
 		MountMode:          mountMode,
 		MountCtime:         fileInfo.ModTime(),
 		MountMtime:         time.Now(),
+		MountParentInode:   parentInode,
 		Umask:              umask,
 		VolumeServerAccess: *mountOptions.volumeServerAccess,
 		Cipher:             cipher,
@@ -218,9 +243,10 @@ func RunMount(option *MountOptions, umask os.FileMode) bool {
 		c.Close()
 	})
 
-	glog.V(0).Infof("mounted %s%s to %s", filer, mountRoot, dir)
+	glog.V(0).Infof("mounted %s%s to %v", *option.filer, mountRoot, dir)
 	server := fs.New(c, nil)
 	seaweedFileSystem.Server = server
+	seaweedFileSystem.StartBackgroundTasks()
 	err = server.Serve(seaweedFileSystem)
 
 	// check if the mount process has an error to report

weed/command/scaffold.go

@@ -101,11 +101,16 @@ dir = "./filerldb3"					# directory to store level db files
 enabled = false
 dir = "./filerrdb"					# directory to store rocksdb files
 
+[sqlite]
+# local on disk, similar to leveldb
+enabled = false
+dbFile = "./filer.db"				# sqlite db file
+
 [mysql]  # or memsql, tidb
 # CREATE TABLE IF NOT EXISTS filemeta (
-#   dirhash     BIGINT         COMMENT 'first 64 bits of MD5 hash value of directory field',
-#   name        VARCHAR(1000)  COMMENT 'directory or file name',
-#   directory   TEXT           COMMENT 'full path to parent directory',
+#   dirhash     BIGINT               COMMENT 'first 64 bits of MD5 hash value of directory field',
+#   name        VARCHAR(1000) BINARY COMMENT 'directory or file name',
+#   directory   TEXT                 COMMENT 'full path to parent directory',
 #   meta        LONGBLOB,
 #   PRIMARY KEY (dirhash, name)
 # ) DEFAULT CHARSET=utf8;
@@ -120,13 +125,16 @@ connection_max_idle = 2
 connection_max_open = 100
 connection_max_lifetime_seconds = 0
 interpolateParams = false
+# if insert/upsert failing, you can disable upsert or update query syntax to match your RDBMS syntax:
+enableUpsert = true
+upsertQuery = """INSERT INTO ` + "`%s`" + ` (dirhash,name,directory,meta) VALUES(?,?,?,?) ON DUPLICATE KEY UPDATE meta = VALUES(meta)"""
 
 [mysql2]  # or memsql, tidb
 enabled = false
 createTable = """
   CREATE TABLE IF NOT EXISTS ` + "`%s`" + ` (
     dirhash BIGINT,
-    name VARCHAR(1000),
+    name VARCHAR(1000) BINARY,
     directory TEXT,
     meta LONGBLOB,
     PRIMARY KEY (dirhash, name)
@@ -141,6 +149,9 @@ connection_max_idle = 2
 connection_max_open = 100
 connection_max_lifetime_seconds = 0
 interpolateParams = false
+# if insert/upsert failing, you can disable upsert or update query syntax to match your RDBMS syntax:
+enableUpsert = true
+upsertQuery = """INSERT INTO ` + "`%s`" + ` (dirhash,name,directory,meta) VALUES(?,?,?,?) ON DUPLICATE KEY UPDATE meta = VALUES(meta)"""
 
 [postgres] # or cockroachdb, YugabyteDB
 # CREATE TABLE IF NOT EXISTS filemeta (
@@ -161,6 +172,9 @@ sslmode = "disable"
 connection_max_idle = 100
 connection_max_open = 100
 connection_max_lifetime_seconds = 0
+# if insert/upsert failing, you can disable upsert or update query syntax to match your RDBMS syntax:
+enableUpsert = true
+upsertQuery = """INSERT INTO "%[1]s" (dirhash,name,directory,meta) VALUES($1,$2,$3,$4) ON CONFLICT (dirhash,name) DO UPDATE SET meta = EXCLUDED.meta WHERE "%[1]s".meta != EXCLUDED.meta"""
 
 [postgres2]
 enabled = false
@@ -183,6 +197,9 @@ sslmode = "disable"
 connection_max_idle = 100
 connection_max_open = 100
 connection_max_lifetime_seconds = 0
+# if insert/upsert failing, you can disable upsert or update query syntax to match your RDBMS syntax:
+enableUpsert = true
+upsertQuery = """INSERT INTO "%[1]s" (dirhash,name,directory,meta) VALUES($1,$2,$3,$4) ON CONFLICT (dirhash,name) DO UPDATE SET meta = EXCLUDED.meta WHERE "%[1]s".meta != EXCLUDED.meta"""
 
 [cassandra]
 # CREATE TABLE filemeta (
@@ -269,7 +286,7 @@ index.max_result_window = 10000
 #     Make sure they are not the same if using the same store type!
 # 4. Set enabled to true
 #
-# The following is just using cassandra as an example
+# The following is just using redis as an example
 ##########################
 [redis2.tmp]
 enabled = false
@@ -339,13 +356,14 @@ sub_url = "rabbit://myqueue"
 
 	REPLICATION_TOML_EXAMPLE = `
 # A sample TOML config file for replicating SeaweedFS filer
-# Used with "weed filer.replicate"
+# Used with "weed filer.backup"
+# Using with "weed filer.replicate" is deprecated.
 # Put this file to one of the location, with descending priority
 #    ./replication.toml
 #    $HOME/.seaweedfs/replication.toml
 #    /etc/seaweedfs/replication.toml
 
-[source.filer]
+[source.filer]  # deprecated. Only useful with "weed filer.replicate"
 enabled = true
 grpcAddress = "localhost:18888"
 # all files under this directory tree are replicated.
@@ -360,12 +378,6 @@ directory = "/data"
 # so each date directory contains all new and updated files.
 is_incremental = false
 
-[sink.local_incremental]
-# all replicated files are under modified time as yyyy-mm-dd directories
-# so each date directory contains all new and updated files.
-enabled = false
-directory = "/backup"
-
 [sink.filer]
 enabled = false
 grpcAddress = "localhost:18888"
@@ -506,7 +518,7 @@ default = "localhost:8888"    # used by maintenance scripts if the scripts needs
 
 
 [master.sequencer]
-type = "raft"     # Choose [raft|etcd] type for storing the file id sequence
+type = "raft"     # Choose [raft|etcd|snowflake] type for storing the file id sequence
 # when sequencer.type = etcd, set listen client urls of etcd cluster that store file id sequence
 # example : http://127.0.0.1:2379,http://127.0.0.1:2389
 sequencer_etcd_urls = "http://127.0.0.1:2379"

weed/command/server.go

@@ -2,9 +2,8 @@ package command
 
 import (
 	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/util/grace"
 	"os"
-	"runtime"
-	"runtime/pprof"
 	"strings"
 	"time"
 
@@ -16,6 +15,7 @@ import (
 
 type ServerOptions struct {
 	cpuprofile *string
+	memprofile *string
 	v          VolumeServerOptions
 }
 
@@ -49,7 +49,7 @@ var cmdServer = &Command{
 }
 
 var (
-	serverIp                  = cmdServer.Flag.String("ip", util.DetectedHostAddress(), "ip or server name")
+	serverIp                  = cmdServer.Flag.String("ip", util.DetectedHostAddress(), "ip or server name, also used as identifier")
 	serverBindIp              = cmdServer.Flag.String("ip.bind", "", "ip address to bind to")
 	serverTimeout             = cmdServer.Flag.Int("idleTimeout", 30, "connection idle seconds")
 	serverDataCenter          = cmdServer.Flag.String("dataCenter", "", "current volume server's data center name")
@@ -58,7 +58,8 @@ var (
 	serverDisableHttp         = cmdServer.Flag.Bool("disableHttp", false, "disable http requests, only gRPC operations are allowed.")
 	volumeDataFolders         = cmdServer.Flag.String("dir", os.TempDir(), "directories to store data files. dir[,dir]...")
 	volumeMaxDataVolumeCounts = cmdServer.Flag.String("volume.max", "8", "maximum numbers of volumes, count[,count]... If set to zero, the limit will be auto configured.")
-	volumeMinFreeSpacePercent = cmdServer.Flag.String("volume.minFreeSpacePercent", "1", "minimum free disk space (default to 1%). Low disk space will mark all volumes as ReadOnly.")
+	volumeMinFreeSpacePercent = cmdServer.Flag.String("volume.minFreeSpacePercent", "1", "minimum free disk space (default to 1%). Low disk space will mark all volumes as ReadOnly (deprecated, use minFreeSpace instead).")
+	volumeMinFreeSpace        = cmdServer.Flag.String("volume.minFreeSpace", "", "min free disk space (value<=100 as percentage like 1, other as human readable bytes, like 10GiB). Low disk space will mark all volumes as ReadOnly.")
 	serverMetricsHttpPort     = cmdServer.Flag.Int("metricsPort", 0, "Prometheus metrics listen port")
 
 	// pulseSeconds              = cmdServer.Flag.Int("pulseSeconds", 5, "number of seconds between heartbeats")
@@ -76,6 +77,7 @@ var (
 
 func init() {
 	serverOptions.cpuprofile = cmdServer.Flag.String("cpuprofile", "", "cpu profile output file")
+	serverOptions.memprofile = cmdServer.Flag.String("memprofile", "", "memory profile output file")
 
 	masterOptions.port = cmdServer.Flag.Int("master.port", 9333, "master server http listen port")
 	masterOptions.metaFolder = cmdServer.Flag.String("master.dir", "", "data directory to store meta data, default to same as -dir specified")
@@ -93,11 +95,12 @@ func init() {
 	filerOptions.publicPort = cmdServer.Flag.Int("filer.port.public", 0, "filer server public http listen port")
 	filerOptions.defaultReplicaPlacement = cmdServer.Flag.String("filer.defaultReplicaPlacement", "", "default replication type. If not specified, use master setting.")
 	filerOptions.disableDirListing = cmdServer.Flag.Bool("filer.disableDirListing", false, "turn off directory listing")
-	filerOptions.maxMB = cmdServer.Flag.Int("filer.maxMB", 32, "split files larger than the limit")
+	filerOptions.maxMB = cmdServer.Flag.Int("filer.maxMB", 4, "split files larger than the limit")
 	filerOptions.dirListingLimit = cmdServer.Flag.Int("filer.dirListLimit", 1000, "limit sub dir listing size")
 	filerOptions.cipher = cmdServer.Flag.Bool("filer.encryptVolumeData", false, "encrypt data on volume servers")
 	filerOptions.peers = cmdServer.Flag.String("filer.peers", "", "all filers sharing the same filer store in comma separated ip:port list")
 	filerOptions.saveToFilerLimit = cmdServer.Flag.Int("filer.saveToFilerLimit", 0, "Small files smaller than this limit can be cached in filer store.")
+	filerOptions.concurrentUploadLimitMB = cmdServer.Flag.Int("filer.concurrentUploadLimitMB", 64, "limit total concurrent upload size")
 
 	serverOptions.v.port = cmdServer.Flag.Int("volume.port", 8080, "volume server http listen port")
 	serverOptions.v.publicPort = cmdServer.Flag.Int("volume.port.public", 0, "volume server public port")
@@ -107,6 +110,7 @@ func init() {
 	serverOptions.v.readRedirect = cmdServer.Flag.Bool("volume.read.redirect", true, "Redirect moved or non-local volumes.")
 	serverOptions.v.compactionMBPerSecond = cmdServer.Flag.Int("volume.compactionMBps", 0, "limit compaction speed in mega bytes per second")
 	serverOptions.v.fileSizeLimitMB = cmdServer.Flag.Int("volume.fileSizeLimitMB", 256, "limit file size to avoid out of memory")
+	serverOptions.v.concurrentUploadLimitMB = cmdServer.Flag.Int("volume.concurrentUploadLimitMB", 64, "limit total concurrent upload size")
 	serverOptions.v.publicUrl = cmdServer.Flag.String("volume.publicUrl", "", "publicly accessible address")
 	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")
@@ -138,14 +142,7 @@ func runServer(cmd *Command, args []string) bool {
 	util.LoadConfiguration("security", false)
 	util.LoadConfiguration("master", false)
 
-	if *serverOptions.cpuprofile != "" {
-		f, err := os.Create(*serverOptions.cpuprofile)
-		if err != nil {
-			glog.Fatal(err)
-		}
-		pprof.StartCPUProfile(f)
-		defer pprof.StopCPUProfile()
-	}
+	grace.SetupProfiling(*serverOptions.cpuprofile, *serverOptions.memprofile)
 
 	if *isStartingS3 {
 		*isStartingFiler = true
@@ -192,7 +189,6 @@ func runServer(cmd *Command, args []string) bool {
 	webdavOptions.filer = &filerAddress
 	msgBrokerOptions.filer = &filerAddress
 
-	runtime.GOMAXPROCS(runtime.NumCPU())
 	go stats_collect.StartMetricsServer(*serverMetricsHttpPort)
 
 	folders := strings.Split(*volumeDataFolders, ",")
@@ -249,8 +245,8 @@ func runServer(cmd *Command, args []string) bool {
 
 	// start volume server
 	if *isStartingVolumeServer {
-		go serverOptions.v.startVolumeServer(*volumeDataFolders, *volumeMaxDataVolumeCounts, *serverWhiteListOption, *volumeMinFreeSpacePercent)
-
+		minFreeSpaces := util.MustParseMinFreeSpace(*volumeMinFreeSpace, *volumeMinFreeSpacePercent)
+		go serverOptions.v.startVolumeServer(*volumeDataFolders, *volumeMaxDataVolumeCounts, *serverWhiteListOption, minFreeSpaces)
 	}
 
 	if *isStartingMasterServer {
@@ -258,6 +254,4 @@ func runServer(cmd *Command, args []string) bool {
 	}
 
 	select {}
-
-	return true
 }

weed/command/upload.go

@@ -43,7 +43,7 @@ func init() {
 	upload.dataCenter = cmdUpload.Flag.String("dataCenter", "", "optional data center name")
 	upload.diskType = cmdUpload.Flag.String("disk", "", "[hdd|ssd|<tag>] hard drive or solid state drive or any tag")
 	upload.ttl = cmdUpload.Flag.String("ttl", "", "time to live, e.g.: 1m, 1h, 1d, 1M, 1y")
-	upload.maxMB = cmdUpload.Flag.Int("maxMB", 32, "split files larger than the limit")
+	upload.maxMB = cmdUpload.Flag.Int("maxMB", 4, "split files larger than the limit")
 	upload.usePublicUrl = cmdUpload.Flag.Bool("usePublicUrl", false, "upload to public url from volume server")
 }
 
@@ -84,7 +84,7 @@ func runUpload(cmd *Command, args []string) bool {
 		if *upload.dir == "" {
 			return false
 		}
-		filepath.Walk(util.ResolvePath(*upload.dir), func(path string, info os.FileInfo, err error) error {
+		err = filepath.Walk(util.ResolvePath(*upload.dir), func(path string, info os.FileInfo, err error) error {
 			if err == nil {
 				if !info.IsDir() {
 					if *upload.include != "" {
@@ -108,12 +108,21 @@ func runUpload(cmd *Command, args []string) bool {
 			}
 			return err
 		})
+		if err != nil {
+			fmt.Println(err.Error())
+			return false;
+		}
 	} else {
 		parts, e := operation.NewFileParts(args)
 		if e != nil {
 			fmt.Println(e.Error())
+			return false
+		}
+		results, err := operation.SubmitFiles(func() string { return *upload.master }, grpcDialOption, parts, *upload.replication, *upload.collection, *upload.dataCenter, *upload.ttl, *upload.diskType, *upload.maxMB, *upload.usePublicUrl)
+		if err != nil {
+			fmt.Println(err.Error())
+			return false
 		}
-		results, _ := operation.SubmitFiles(func() string { return *upload.master }, grpcDialOption, parts, *upload.replication, *upload.collection, *upload.dataCenter, *upload.ttl, *upload.diskType, *upload.maxMB, *upload.usePublicUrl)
 		bytes, _ := json.Marshal(results)
 		fmt.Println(string(bytes))
 	}

weed/command/volume.go

@@ -6,7 +6,6 @@ import (
 	"net/http"
 	httppprof "net/http/pprof"
 	"os"
-	"runtime"
 	"runtime/pprof"
 	"strconv"
 	"strings"
@@ -36,31 +35,31 @@ var (
 )
 
 type VolumeServerOptions struct {
-	port                  *int
-	publicPort            *int
-	folders               []string
-	folderMaxLimits       []int
-	idxFolder             *string
-	ip                    *string
-	publicUrl             *string
-	bindIp                *string
-	masters               *string
-	idleConnectionTimeout *int
-	dataCenter            *string
-	rack                  *string
-	whiteList             []string
-	indexType             *string
-	diskType              *string
-	fixJpgOrientation     *bool
-	readRedirect          *bool
-	cpuProfile            *string
-	memProfile            *string
-	compactionMBPerSecond *int
-	fileSizeLimitMB       *int
-	minFreeSpacePercents  []float32
-	pprof                 *bool
-	preStopSeconds        *int
-	metricsHttpPort       *int
+	port                    *int
+	publicPort              *int
+	folders                 []string
+	folderMaxLimits         []int
+	idxFolder               *string
+	ip                      *string
+	publicUrl               *string
+	bindIp                  *string
+	masters                 *string
+	idleConnectionTimeout   *int
+	dataCenter              *string
+	rack                    *string
+	whiteList               []string
+	indexType               *string
+	diskType                *string
+	fixJpgOrientation       *bool
+	readRedirect            *bool
+	cpuProfile              *string
+	memProfile              *string
+	compactionMBPerSecond   *int
+	fileSizeLimitMB         *int
+	concurrentUploadLimitMB *int
+	pprof                   *bool
+	preStopSeconds          *int
+	metricsHttpPort         *int
 	// pulseSeconds          *int
 	enableTcp *bool
 }
@@ -69,7 +68,7 @@ func init() {
 	cmdVolume.Run = runVolume // break init cycle
 	v.port = cmdVolume.Flag.Int("port", 8080, "http listen port")
 	v.publicPort = cmdVolume.Flag.Int("port.public", 0, "port opened to public")
-	v.ip = cmdVolume.Flag.String("ip", util.DetectedHostAddress(), "ip or server name")
+	v.ip = cmdVolume.Flag.String("ip", util.DetectedHostAddress(), "ip or server name, also used as identifier")
 	v.publicUrl = cmdVolume.Flag.String("publicUrl", "", "Publicly accessible address")
 	v.bindIp = cmdVolume.Flag.String("ip.bind", "", "ip address to bind to")
 	v.masters = cmdVolume.Flag.String("mserver", "localhost:9333", "comma-separated master servers")
@@ -86,6 +85,7 @@ func init() {
 	v.memProfile = cmdVolume.Flag.String("memprofile", "", "memory profile output file")
 	v.compactionMBPerSecond = cmdVolume.Flag.Int("compactionMBps", 0, "limit background compaction or copying speed in mega bytes per second")
 	v.fileSizeLimitMB = cmdVolume.Flag.Int("fileSizeLimitMB", 256, "limit file size to avoid out of memory")
+	v.concurrentUploadLimitMB = cmdVolume.Flag.Int("concurrentUploadLimitMB", 128, "limit total concurrent upload size")
 	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")
@@ -104,15 +104,14 @@ var (
 	volumeFolders         = cmdVolume.Flag.String("dir", os.TempDir(), "directories to store data files. dir[,dir]...")
 	maxVolumeCounts       = cmdVolume.Flag.String("max", "8", "maximum numbers of volumes, count[,count]... If set to zero, the limit will be auto configured.")
 	volumeWhiteListOption = cmdVolume.Flag.String("whiteList", "", "comma separated Ip addresses having write permission. No limit if empty.")
-	minFreeSpacePercent   = cmdVolume.Flag.String("minFreeSpacePercent", "1", "minimum free disk space (default to 1%). Low disk space will mark all volumes as ReadOnly.")
+	minFreeSpacePercent   = cmdVolume.Flag.String("minFreeSpacePercent", "1", "minimum free disk space (default to 1%). Low disk space will mark all volumes as ReadOnly (deprecated, use minFreeSpace instead).")
+	minFreeSpace          = cmdVolume.Flag.String("minFreeSpace", "", "min free disk space (value<=100 as percentage like 1, other as human readable bytes, like 10GiB). Low disk space will mark all volumes as ReadOnly.")
 )
 
 func runVolume(cmd *Command, args []string) bool {
 
 	util.LoadConfiguration("security", false)
 
-	runtime.GOMAXPROCS(runtime.NumCPU())
-
 	// If --pprof is set we assume the caller wants to be able to collect
 	// cpu and memory profiles via go tool pprof
 	if !*v.pprof {
@@ -121,12 +120,13 @@ func runVolume(cmd *Command, args []string) bool {
 
 	go stats_collect.StartMetricsServer(*v.metricsHttpPort)
 
-	v.startVolumeServer(*volumeFolders, *maxVolumeCounts, *volumeWhiteListOption, *minFreeSpacePercent)
+	minFreeSpaces := util.MustParseMinFreeSpace(*minFreeSpace, *minFreeSpacePercent)
+	v.startVolumeServer(*volumeFolders, *maxVolumeCounts, *volumeWhiteListOption, minFreeSpaces)
 
 	return true
 }
 
-func (v VolumeServerOptions) startVolumeServer(volumeFolders, maxVolumeCounts, volumeWhiteListOption, minFreeSpacePercent string) {
+func (v VolumeServerOptions) startVolumeServer(volumeFolders, maxVolumeCounts, volumeWhiteListOption string, minFreeSpaces []util.MinFreeSpace) {
 
 	// Set multiple folders and each folder's max volume count limit'
 	v.folders = strings.Split(volumeFolders, ",")
@@ -154,22 +154,13 @@ func (v VolumeServerOptions) startVolumeServer(volumeFolders, maxVolumeCounts, v
 		glog.Fatalf("%d directories by -dir, but only %d max is set by -max", len(v.folders), len(v.folderMaxLimits))
 	}
 
-	// set minFreeSpacePercent
-	minFreeSpacePercentStrings := strings.Split(minFreeSpacePercent, ",")
-	for _, freeString := range minFreeSpacePercentStrings {
-		if value, e := strconv.ParseFloat(freeString, 32); e == nil {
-			v.minFreeSpacePercents = append(v.minFreeSpacePercents, float32(value))
-		} else {
-			glog.Fatalf("The value specified in -minFreeSpacePercent not a valid value %s", freeString)
-		}
-	}
-	if len(v.minFreeSpacePercents) == 1 && len(v.folders) > 1 {
+	if len(minFreeSpaces) == 1 && len(v.folders) > 1 {
 		for i := 0; i < len(v.folders)-1; i++ {
-			v.minFreeSpacePercents = append(v.minFreeSpacePercents, v.minFreeSpacePercents[0])
+			minFreeSpaces = append(minFreeSpaces, minFreeSpaces[0])
 		}
 	}
-	if len(v.folders) != len(v.minFreeSpacePercents) {
-		glog.Fatalf("%d directories by -dir, but only %d minFreeSpacePercent is set by -minFreeSpacePercent", len(v.folders), len(v.minFreeSpacePercents))
+	if len(v.folders) != len(minFreeSpaces) {
+		glog.Fatalf("%d directories by -dir, but only %d minFreeSpacePercent is set by -minFreeSpacePercent", len(v.folders), len(minFreeSpaces))
 	}
 
 	// set disk types
@@ -232,7 +223,7 @@ func (v VolumeServerOptions) startVolumeServer(volumeFolders, maxVolumeCounts, v
 
 	volumeServer := weed_server.NewVolumeServer(volumeMux, publicVolumeMux,
 		*v.ip, *v.port, *v.publicUrl,
-		v.folders, v.folderMaxLimits, v.minFreeSpacePercents, diskTypes,
+		v.folders, v.folderMaxLimits, minFreeSpaces, diskTypes,
 		*v.idxFolder,
 		volumeNeedleMapKind,
 		strings.Split(masters, ","), 5, *v.dataCenter, *v.rack,
@@ -240,6 +231,7 @@ func (v VolumeServerOptions) startVolumeServer(volumeFolders, maxVolumeCounts, v
 		*v.fixJpgOrientation, *v.readRedirect,
 		*v.compactionMBPerSecond,
 		*v.fileSizeLimitMB,
+		int64(*v.concurrentUploadLimitMB)*1024*1024,
 	)
 	// starting grpc server
 	grpcS := v.startGrpcService(volumeServer)

weed/filer/abstract_sql/abstract_sql_store.go

@@ -10,18 +10,19 @@ import (
 	"github.com/chrislusf/seaweedfs/weed/util"
 	"strings"
 	"sync"
+	"time"
 )
 
 type SqlGenerator interface {
-	GetSqlInsert(bucket string) string
-	GetSqlUpdate(bucket string) string
-	GetSqlFind(bucket string) string
-	GetSqlDelete(bucket string) string
-	GetSqlDeleteFolderChildren(bucket string) string
-	GetSqlListExclusive(bucket string) string
-	GetSqlListInclusive(bucket string) string
-	GetSqlCreateTable(bucket string) string
-	GetSqlDropTable(bucket string) string
+	GetSqlInsert(tableName string) string
+	GetSqlUpdate(tableName string) string
+	GetSqlFind(tableName string) string
+	GetSqlDelete(tableName string) string
+	GetSqlDeleteFolderChildren(tableName string) string
+	GetSqlListExclusive(tableName string) string
+	GetSqlListInclusive(tableName string) string
+	GetSqlCreateTable(tableName string) string
+	GetSqlDropTable(tableName string) string
 }
 
 type AbstractSqlStore struct {
@@ -32,10 +33,15 @@ type AbstractSqlStore struct {
 	dbsLock            sync.Mutex
 }
 
+func (store *AbstractSqlStore) CanDropWholeBucket() bool {
+	return store.SupportBucketTable
+}
 func (store *AbstractSqlStore) OnBucketCreation(bucket string) {
 	store.dbsLock.Lock()
 	defer store.dbsLock.Unlock()
 
+	store.CreateTable(context.Background(), bucket)
+
 	if store.dbs == nil {
 		return
 	}
@@ -45,6 +51,8 @@ func (store *AbstractSqlStore) OnBucketDeletion(bucket string) {
 	store.dbsLock.Lock()
 	defer store.dbsLock.Unlock()
 
+	store.deleteTable(context.Background(), bucket)
+
 	if store.dbs == nil {
 		return
 	}
@@ -254,7 +262,7 @@ func (store *AbstractSqlStore) DeleteEntry(ctx context.Context, fullpath util.Fu
 	return nil
 }
 
-func (store *AbstractSqlStore) DeleteFolderChildren(ctx context.Context, fullpath util.FullPath) error {
+func (store *AbstractSqlStore) DeleteFolderChildren(ctx context.Context, fullpath util.FullPath, limit int64) error {
 
 	db, bucket, shortPath, err := store.getTxOrDB(ctx, fullpath, true)
 	if err != nil {
@@ -272,16 +280,23 @@ func (store *AbstractSqlStore) DeleteFolderChildren(ctx context.Context, fullpat
 		}
 	}
 
-	res, err := db.ExecContext(ctx, store.GetSqlDeleteFolderChildren(bucket), util.HashStringToLong(string(shortPath)), fullpath)
-	if err != nil {
-		return fmt.Errorf("deleteFolderChildren %s: %s", fullpath, err)
-	}
+	for {
+		glog.V(4).Infof("delete %s SQL %s %d", string(shortPath), store.GetSqlDeleteFolderChildren(bucket), util.HashStringToLong(string(shortPath)))
+		res, err := db.ExecContext(ctx, store.GetSqlDeleteFolderChildren(bucket), util.HashStringToLong(string(shortPath)), string(shortPath), limit)
+		if err != nil {
+			return fmt.Errorf("deleteFolderChildren %s: %s", fullpath, err)
+		}
 
-	_, err = res.RowsAffected()
-	if err != nil {
-		return fmt.Errorf("deleteFolderChildren %s but no rows affected: %s", fullpath, err)
+		rowCount, err := res.RowsAffected()
+		if err != nil {
+			return fmt.Errorf("deleteFolderChildren %s but no rows affected: %s", fullpath, err)
+		}
+		if rowCount < limit {
+			break
+		}
+		// to give the Galera Cluster a chance to breath
+		time.Sleep(time.Second)
 	}
-
 	return nil
 }
 

weed/filer/cassandra/cassandra_store.go

@@ -154,7 +154,7 @@ func (store *CassandraStore) DeleteEntry(ctx context.Context, fullpath util.Full
 	return nil
 }
 
-func (store *CassandraStore) DeleteFolderChildren(ctx context.Context, fullpath util.FullPath) error {
+func (store *CassandraStore) DeleteFolderChildren(ctx context.Context, fullpath util.FullPath, limit int64) error {
 	if _, ok := store.isSuperLargeDirectory(string(fullpath)); ok {
 		return nil // filer.ErrUnsupportedSuperLargeDirectoryListing
 	}

weed/filer/elastic/v7/elastic_store.go

@@ -186,7 +186,7 @@ func (store *ElasticStore) deleteEntry(ctx context.Context, index, id string) (e
 	return fmt.Errorf("delete entry %v.", err)
 }
 
-func (store *ElasticStore) DeleteFolderChildren(ctx context.Context, fullpath weed_util.FullPath) (err error) {
+func (store *ElasticStore) DeleteFolderChildren(ctx context.Context, fullpath weed_util.FullPath, limit int64) (err error) {
 	_, err = store.ListDirectoryEntries(ctx, fullpath, "", false, math.MaxInt32, func(entry *filer.Entry) bool {
 		if err := store.DeleteEntry(ctx, entry.FullPath); err != nil {
 			glog.Errorf("elastic delete %s: %v.", entry.FullPath, err)

weed/filer/etcd/etcd_store.go

@@ -130,7 +130,7 @@ func (store *EtcdStore) DeleteEntry(ctx context.Context, fullpath weed_util.Full
 	return nil
 }
 
-func (store *EtcdStore) DeleteFolderChildren(ctx context.Context, fullpath weed_util.FullPath) (err error) {
+func (store *EtcdStore) DeleteFolderChildren(ctx context.Context, fullpath weed_util.FullPath, limit int64) (err error) {
 	directoryPrefix := genDirectoryKeyPrefix(fullpath, "")
 
 	if _, err := store.client.Delete(ctx, string(directoryPrefix), clientv3.WithPrefix()); err != nil {

weed/filer/filechunk_manifest.go

@@ -97,20 +97,20 @@ func fetchChunk(lookupFileIdFn wdclient.LookupFileIdFunctionType, fileId string,
 func retriedFetchChunkData(urlStrings []string, cipherKey []byte, isGzipped bool, isFullChunk bool, offset int64, size int) ([]byte, error) {
 
 	var err error
-	var buffer bytes.Buffer
 	var shouldRetry bool
+	receivedData := make([]byte, 0, size)
 
 	for waitTime := time.Second; waitTime < util.RetryWaitTime; waitTime += waitTime / 2 {
 		for _, urlString := range urlStrings {
-			shouldRetry, err = util.FastReadUrlAsStream(urlString+"?readDeleted=true", cipherKey, isGzipped, isFullChunk, offset, size, func(data []byte) {
-				buffer.Write(data)
+			receivedData = receivedData[:0]
+			shouldRetry, err = util.ReadUrlAsStream(urlString+"?readDeleted=true", cipherKey, isGzipped, isFullChunk, offset, size, func(data []byte) {
+				receivedData = append(receivedData, data...)
 			})
 			if !shouldRetry {
 				break
 			}
 			if err != nil {
 				glog.V(0).Infof("read %s failed, err: %v", urlString, err)
-				buffer.Reset()
 			} else {
 				break
 			}
@@ -123,7 +123,8 @@ func retriedFetchChunkData(urlStrings []string, cipherKey []byte, isGzipped bool
 		}
 	}
 
-	return buffer.Bytes(), err
+	return receivedData, err
+
 }
 
 func MaybeManifestize(saveFunc SaveDataAsChunkFunctionType, inputChunks []*filer_pb.FileChunk) (chunks []*filer_pb.FileChunk, err error) {

weed/filer/filechunks.go

@@ -2,7 +2,6 @@ package filer
 
 import (
 	"bytes"
-	"encoding/hex"
 	"fmt"
 	"github.com/chrislusf/seaweedfs/weed/wdclient"
 	"math"
@@ -23,10 +22,6 @@ func TotalSize(chunks []*filer_pb.FileChunk) (size uint64) {
 	return
 }
 
-func FileSize2(entry *Entry) (size uint64) {
-	return maxUint64(TotalSize(entry.Chunks), entry.Attr.FileSize)
-}
-
 func FileSize(entry *filer_pb.Entry) (size uint64) {
 	return maxUint64(TotalSize(entry.Chunks), entry.Attributes.FileSize)
 }
@@ -47,12 +42,11 @@ func ETagEntry(entry *Entry) (etag string) {
 
 func ETagChunks(chunks []*filer_pb.FileChunk) (etag string) {
 	if len(chunks) == 1 {
-		return chunks[0].ETag
+		return fmt.Sprintf("%x", util.Base64Md5ToBytes(chunks[0].ETag))
 	}
 	md5_digests := [][]byte{}
 	for _, c := range chunks {
-		md5_decoded, _ := hex.DecodeString(c.ETag)
-		md5_digests = append(md5_digests, md5_decoded)
+		md5_digests = append(md5_digests, util.Base64Md5ToBytes(c.ETag))
 	}
 	return fmt.Sprintf("%x-%d", util.Md5(bytes.Join(md5_digests, nil)), len(chunks))
 }

weed/filer/filer.go

@@ -19,6 +19,7 @@ import (
 const (
 	LogFlushInterval = time.Minute
 	PaginationSize   = 1024
+	DeleteMaxRows    = 10000
 	FilerStoreId     = "filer.store.id"
 )
 
@@ -241,12 +242,12 @@ func (f *Filer) UpdateEntry(ctx context.Context, oldEntry, entry *Entry) (err er
 	if oldEntry != nil {
 		entry.Attr.Crtime = oldEntry.Attr.Crtime
 		if oldEntry.IsDirectory() && !entry.IsDirectory() {
-			glog.Errorf("existing %s is a directory", entry.FullPath)
-			return fmt.Errorf("existing %s is a directory", entry.FullPath)
+			glog.Errorf("existing %s is a directory", oldEntry.FullPath)
+			return fmt.Errorf("existing %s is a directory", oldEntry.FullPath)
 		}
 		if !oldEntry.IsDirectory() && entry.IsDirectory() {
-			glog.Errorf("existing %s is a file", entry.FullPath)
-			return fmt.Errorf("existing %s is a file", entry.FullPath)
+			glog.Errorf("existing %s is a file", oldEntry.FullPath)
+			return fmt.Errorf("existing %s is a file", oldEntry.FullPath)
 		}
 	}
 	return f.Store.UpdateEntry(ctx, entry)

weed/filer/filer_buckets.go

@@ -29,7 +29,7 @@ func (f *Filer) LoadBuckets() {
 
 	limit := int64(math.MaxInt32)
 
-	entries, _, err := f.ListDirectoryEntries(context.Background(), util.FullPath(f.DirBucketsPath), "", false, limit, "", "")
+	entries, _, err := f.ListDirectoryEntries(context.Background(), util.FullPath(f.DirBucketsPath), "", false, limit, "", "", "")
 
 	if err != nil {
 		glog.V(1).Infof("no buckets found: %v", err)

weed/filer/filer_conf.go

@@ -18,6 +18,7 @@ const (
 	FilerConfName         = "filer.conf"
 	IamConfigDirecotry    = "/etc/iam"
 	IamIdentityFile       = "identity.json"
+	IamPoliciesFile       = "policies.json"
 )
 
 type FilerConf struct {
@@ -125,6 +126,9 @@ func mergePathConf(a, b *filer_pb.FilerConf_PathConf) {
 	if b.VolumeGrowthCount > 0 {
 		a.VolumeGrowthCount = b.VolumeGrowthCount
 	}
+	if b.ReadOnly {
+		a.ReadOnly = b.ReadOnly
+	}
 }
 
 func (fc *FilerConf) ToProto() *filer_pb.FilerConf {

weed/filer/filer_conf_test.go

@@ -24,6 +24,18 @@ func TestFilerConf(t *testing.T) {
 			LocationPrefix: "/buckets/",
 			Replication:    "001",
 		},
+		{
+			LocationPrefix: "/buckets",
+			ReadOnly:       false,
+		},
+		{
+			LocationPrefix: "/buckets/xxx",
+			ReadOnly:       true,
+		},
+		{
+			LocationPrefix: "/buckets/xxx/yyy",
+			ReadOnly:       false,
+		},
 	}}
 	fc.doLoadConf(conf)
 
@@ -31,4 +43,7 @@ func TestFilerConf(t *testing.T) {
 	assert.Equal(t, "abcd", fc.MatchStorageRule("/buckets/abcd/jasdf").Collection)
 	assert.Equal(t, "001", fc.MatchStorageRule("/buckets/abc/jasdf").Replication)
 
+	assert.Equal(t, true, fc.MatchStorageRule("/buckets/xxx/yyy/zzz").ReadOnly)
+	assert.Equal(t, false, fc.MatchStorageRule("/buckets/other").ReadOnly)
+
 }

weed/filer/filer_delete_entry.go

@@ -71,9 +71,9 @@ func (f *Filer) doBatchDeleteFolderMetaAndData(ctx context.Context, entry *Entry
 
 	lastFileName := ""
 	includeLastFile := false
-	if !isDeletingBucket {
+	if !isDeletingBucket || !f.Store.CanDropWholeBucket() {
 		for {
-			entries, _, err := f.ListDirectoryEntries(ctx, entry.FullPath, lastFileName, includeLastFile, PaginationSize, "", "")
+			entries, _, err := f.ListDirectoryEntries(ctx, entry.FullPath, lastFileName, includeLastFile, PaginationSize, "", "", "")
 			if err != nil {
 				glog.Errorf("list folder %s: %v", entry.FullPath, err)
 				return nil, nil, fmt.Errorf("list folder %s: %v", entry.FullPath, err)
@@ -115,7 +115,7 @@ func (f *Filer) doBatchDeleteFolderMetaAndData(ctx context.Context, entry *Entry
 
 	glog.V(3).Infof("deleting directory %v delete %d chunks: %v", entry.FullPath, len(chunks), shouldDeleteChunks)
 
-	if storeDeletionErr := f.Store.DeleteFolderChildren(ctx, entry.FullPath); storeDeletionErr != nil {
+	if storeDeletionErr := f.Store.DeleteFolderChildren(ctx, entry.FullPath, DeleteMaxRows); storeDeletionErr != nil {
 		return nil, nil, fmt.Errorf("filer store delete: %v", storeDeletionErr)
 	}
 

weed/filer/filer_notify.go

@@ -116,13 +116,13 @@ func (f *Filer) ReadPersistedLogBuffer(startTime time.Time, eachLogEntryFn func(
 	sizeBuf := make([]byte, 4)
 	startTsNs := startTime.UnixNano()
 
-	dayEntries, _, listDayErr := f.ListDirectoryEntries(context.Background(), SystemLogDir, startDate, true, 366, "", "")
+	dayEntries, _, listDayErr := f.ListDirectoryEntries(context.Background(), SystemLogDir, startDate, true, 366, "", "", "")
 	if listDayErr != nil {
 		return lastTsNs, fmt.Errorf("fail to list log by day: %v", listDayErr)
 	}
 	for _, dayEntry := range dayEntries {
 		// println("checking day", dayEntry.FullPath)
-		hourMinuteEntries, _, listHourMinuteErr := f.ListDirectoryEntries(context.Background(), util.NewFullPath(SystemLogDir, dayEntry.Name()), "", false, 24*60, "", "")
+		hourMinuteEntries, _, listHourMinuteErr := f.ListDirectoryEntries(context.Background(), util.NewFullPath(SystemLogDir, dayEntry.Name()), "", false, 24*60, "", "", "")
 		if listHourMinuteErr != nil {
 			return lastTsNs, fmt.Errorf("fail to list log %s by day: %v", dayEntry.Name(), listHourMinuteErr)
 		}

weed/filer/filer_search.go

@@ -20,9 +20,9 @@ func splitPattern(pattern string) (prefix string, restPattern string) {
 }
 
 // For now, prefix and namePattern are mutually exclusive
-func (f *Filer) ListDirectoryEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int64, prefix string, namePattern string) (entries []*Entry, hasMore bool, err error) {
+func (f *Filer) ListDirectoryEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int64, prefix string, namePattern string, namePatternExclude string) (entries []*Entry, hasMore bool, err error) {
 
-	_, err = f.StreamListDirectoryEntries(ctx, p, startFileName, inclusive, limit+1, prefix, namePattern, func(entry *Entry) bool {
+	_, err = f.StreamListDirectoryEntries(ctx, p, startFileName, inclusive, limit+1, prefix, namePattern, namePatternExclude, func(entry *Entry) bool {
 		entries = append(entries, entry)
 		return true
 	})
@@ -36,7 +36,7 @@ func (f *Filer) ListDirectoryEntries(ctx context.Context, p util.FullPath, start
 }
 
 // For now, prefix and namePattern are mutually exclusive
-func (f *Filer) StreamListDirectoryEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int64, prefix string, namePattern string, eachEntryFunc ListEachEntryFunc) (lastFileName string, err error) {
+func (f *Filer) StreamListDirectoryEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int64, prefix string, namePattern string, namePatternExclude string, eachEntryFunc ListEachEntryFunc) (lastFileName string, err error) {
 	if strings.HasSuffix(string(p), "/") && len(p) > 1 {
 		p = p[0 : len(p)-1]
 	}
@@ -47,30 +47,38 @@ func (f *Filer) StreamListDirectoryEntries(ctx context.Context, p util.FullPath,
 	}
 	var missedCount int64
 
-	missedCount, lastFileName, err = f.doListPatternMatchedEntries(ctx, p, startFileName, inclusive, limit, prefix, restNamePattern, eachEntryFunc)
+	missedCount, lastFileName, err = f.doListPatternMatchedEntries(ctx, p, startFileName, inclusive, limit, prefix, restNamePattern, namePatternExclude, eachEntryFunc)
 
 	for missedCount > 0 && err == nil {
-		missedCount, lastFileName, err = f.doListPatternMatchedEntries(ctx, p, lastFileName, false, missedCount, prefix, restNamePattern, eachEntryFunc)
+		missedCount, lastFileName, err = f.doListPatternMatchedEntries(ctx, p, lastFileName, false, missedCount, prefix, restNamePattern, namePatternExclude, eachEntryFunc)
 	}
 
 	return
 }
 
-func (f *Filer) doListPatternMatchedEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int64, prefix, restNamePattern string, eachEntryFunc ListEachEntryFunc) (missedCount int64, lastFileName string, err error) {
+func (f *Filer) doListPatternMatchedEntries(ctx context.Context, p util.FullPath, startFileName string, inclusive bool, limit int64, prefix, restNamePattern string, namePatternExclude string, eachEntryFunc ListEachEntryFunc) (missedCount int64, lastFileName string, err error) {
 
-	if len(restNamePattern) == 0 {
+	if len(restNamePattern) == 0 && len(namePatternExclude) == 0 {
 		lastFileName, err = f.doListValidEntries(ctx, p, startFileName, inclusive, limit, prefix, eachEntryFunc)
 		return 0, lastFileName, err
 	}
 
 	lastFileName, err = f.doListValidEntries(ctx, p, startFileName, inclusive, limit, prefix, func(entry *Entry) bool {
-		nameToTest := strings.ToLower(entry.Name())
-		if matched, matchErr := filepath.Match(restNamePattern, nameToTest[len(prefix):]); matchErr == nil && matched {
-			if !eachEntryFunc(entry) {
-				return false
+		nameToTest := entry.Name()
+		if len(namePatternExclude) > 0 {
+			if matched, matchErr := filepath.Match(namePatternExclude, nameToTest); matchErr == nil && matched {
+				missedCount++
+				return true
 			}
-		} else {
-			missedCount++
+		}
+		if len(restNamePattern) > 0 {
+			if matched, matchErr := filepath.Match(restNamePattern, nameToTest[len(prefix):]); matchErr == nil && !matched {
+				missedCount++
+				return true
+			}
+		}
+		if !eachEntryFunc(entry) {
+			return false
 		}
 		return true
 	})

weed/filer/filerstore.go

@@ -25,7 +25,7 @@ type FilerStore interface {
 	// err == filer_pb.ErrNotFound if not found
 	FindEntry(context.Context, util.FullPath) (entry *Entry, err error)
 	DeleteEntry(context.Context, util.FullPath) (err error)
-	DeleteFolderChildren(context.Context, util.FullPath) (err error)
+	DeleteFolderChildren(context.Context, util.FullPath, int64) (err error)
 	ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc ListEachEntryFunc) (lastFileName string, err error)
 	ListDirectoryPrefixedEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, prefix string, eachEntryFunc ListEachEntryFunc) (lastFileName string, err error)
 
@@ -43,4 +43,5 @@ type FilerStore interface {
 type BucketAware interface {
 	OnBucketCreation(bucket string)
 	OnBucketDeletion(bucket string)
+	CanDropWholeBucket() bool
 }

weed/filer/filerstore_translate_path.go

@@ -100,10 +100,10 @@ func (t *FilerStorePathTranlator) DeleteOneEntry(ctx context.Context, existingEn
 	return t.actualStore.DeleteEntry(ctx, existingEntry.FullPath)
 }
 
-func (t *FilerStorePathTranlator) DeleteFolderChildren(ctx context.Context, fp util.FullPath) (err error) {
+func (t *FilerStorePathTranlator) DeleteFolderChildren(ctx context.Context, fp util.FullPath, limit int64) (err error) {
 	newFullPath := t.translatePath(fp)
 
-	return t.actualStore.DeleteFolderChildren(ctx, newFullPath)
+	return t.actualStore.DeleteFolderChildren(ctx, newFullPath, limit)
 }
 
 func (t *FilerStorePathTranlator) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc ListEachEntryFunc) (string, error) {

weed/filer/filerstore_wrapper.go

@@ -23,6 +23,7 @@ type VirtualFilerStore interface {
 	AddPathSpecificStore(path string, storeId string, store FilerStore)
 	OnBucketCreation(bucket string)
 	OnBucketDeletion(bucket string)
+	CanDropWholeBucket() bool
 }
 
 type FilerStoreWrapper struct {
@@ -42,6 +43,13 @@ func NewFilerStoreWrapper(store FilerStore) *FilerStoreWrapper {
 	}
 }
 
+func (fsw *FilerStoreWrapper) CanDropWholeBucket() bool {
+	if ba, ok := fsw.defaultStore.(BucketAware); ok {
+		return ba.CanDropWholeBucket()
+	}
+	return false
+}
+
 func (fsw *FilerStoreWrapper) OnBucketCreation(bucket string) {
 	for _, store := range fsw.storeIdToStore {
 		if ba, ok := store.(BucketAware); ok {
@@ -149,8 +157,8 @@ func (fsw *FilerStoreWrapper) FindEntry(ctx context.Context, fp util.FullPath) (
 		stats.FilerStoreHistogram.WithLabelValues(actualStore.GetName(), "find").Observe(time.Since(start).Seconds())
 	}()
 
-	glog.V(4).Infof("FindEntry %s", fp)
 	entry, err = actualStore.FindEntry(ctx, fp)
+	// glog.V(4).Infof("FindEntry %s: %v", fp, err)
 	if err != nil {
 		return nil, err
 	}
@@ -205,7 +213,7 @@ func (fsw *FilerStoreWrapper) DeleteOneEntry(ctx context.Context, existingEntry
 	return actualStore.DeleteEntry(ctx, existingEntry.FullPath)
 }
 
-func (fsw *FilerStoreWrapper) DeleteFolderChildren(ctx context.Context, fp util.FullPath) (err error) {
+func (fsw *FilerStoreWrapper) DeleteFolderChildren(ctx context.Context, fp util.FullPath, limit int64) (err error) {
 	actualStore := fsw.getActualStore(fp + "/")
 	stats.FilerStoreCounter.WithLabelValues(actualStore.GetName(), "deleteFolderChildren").Inc()
 	start := time.Now()
@@ -214,7 +222,7 @@ func (fsw *FilerStoreWrapper) DeleteFolderChildren(ctx context.Context, fp util.
 	}()
 
 	glog.V(4).Infof("DeleteFolderChildren %s", fp)
-	return actualStore.DeleteFolderChildren(ctx, fp)
+	return actualStore.DeleteFolderChildren(ctx, fp, limit)
 }
 
 func (fsw *FilerStoreWrapper) ListDirectoryEntries(ctx context.Context, dirPath util.FullPath, startFileName string, includeStartFile bool, limit int64, eachEntryFunc ListEachEntryFunc) (string, error) {

weed/filer/hbase/hbase_store.go

@@ -109,7 +109,7 @@ func (store *HbaseStore) DeleteEntry(ctx context.Context, path util.FullPath) (e
 	return store.doDelete(ctx, store.cfMetaDir, []byte(path))
 }
 
-func (store *HbaseStore) DeleteFolderChildren(ctx context.Context, path util.FullPath) (err error) {
+func (store *HbaseStore) DeleteFolderChildren(ctx context.Context, path util.FullPath, limit int64) (err error) {
 
 	family := map[string][]string{store.cfMetaDir: {COLUMN_NAME}}
 	expectedPrefix := []byte(path.Child(""))

weed/filer/leveldb/leveldb_store.go

@@ -136,7 +136,7 @@ func (store *LevelDBStore) DeleteEntry(ctx context.Context, fullpath weed_util.F
 	return nil
 }
 
-func (store *LevelDBStore) DeleteFolderChildren(ctx context.Context, fullpath weed_util.FullPath) (err error) {
+func (store *LevelDBStore) DeleteFolderChildren(ctx context.Context, fullpath weed_util.FullPath, limit int64) (err error) {
 
 	batch := new(leveldb.Batch)
 

weed/filer/leveldb/leveldb_store_test.go

@@ -51,14 +51,14 @@ func TestCreateAndFind(t *testing.T) {
 	}
 
 	// checking one upper directory
-	entries, _, _ := testFiler.ListDirectoryEntries(ctx, util.FullPath("/home/chris/this/is/one"), "", false, 100, "", "")
+	entries, _, _ := testFiler.ListDirectoryEntries(ctx, util.FullPath("/home/chris/this/is/one"), "", false, 100, "", "", "")
 	if len(entries) != 1 {
 		t.Errorf("list entries count: %v", len(entries))
 		return
 	}
 
 	// checking one upper directory
-	entries, _, _ = testFiler.ListDirectoryEntries(ctx, util.FullPath("/"), "", false, 100, "", "")
+	entries, _, _ = testFiler.ListDirectoryEntries(ctx, util.FullPath("/"), "", false, 100, "", "", "")
 	if len(entries) != 1 {
 		t.Errorf("list entries count: %v", len(entries))
 		return
@@ -77,7 +77,7 @@ func TestEmptyRoot(t *testing.T) {
 	ctx := context.Background()
 
 	// checking one upper directory
-	entries, _, err := testFiler.ListDirectoryEntries(ctx, util.FullPath("/"), "", false, 100, "", "")
+	entries, _, err := testFiler.ListDirectoryEntries(ctx, util.FullPath("/"), "", false, 100, "", "", "")
 	if err != nil {
 		t.Errorf("list entries: %v", err)
 		return

weed/filer/leveldb2/leveldb2_store.go

@@ -144,7 +144,7 @@ func (store *LevelDB2Store) DeleteEntry(ctx context.Context, fullpath weed_util.
 	return nil
 }
 
-func (store *LevelDB2Store) DeleteFolderChildren(ctx context.Context, fullpath weed_util.FullPath) (err error) {
+func (store *LevelDB2Store) DeleteFolderChildren(ctx context.Context, fullpath weed_util.FullPath, limit int64) (err error) {
 	directoryPrefix, partitionId := genDirectoryKeyPrefix(fullpath, "", store.dbCount)
 
 	batch := new(leveldb.Batch)