* cache attribute and chunks for open files

* add mising file

* fix build

* bugfix

* add options

* update docs in CN

* fix build

* fix build sdk

* fix opencache

* bugfix

* speedup fs.Open()

* set KeepCache for cgofuse

* cleanup

* address comments

* address comments

* Docs: add notice about auto completion min version requirement

* Update

* Update

* fix typo
Co-authored-by: NSandy Xu <sandy@juicedata.io>

* cmd: add auto completion for bash & zsh

* fatal on unknown options
Co-authored-by: NDavies Liu <davies@juicedata.io>

* meta/test: use random db name for sqlite tests

* meta/test: use ioutil.TempFile to generate temporary files

* docs: add dump/load commands

* docs: address comments

* docs: translate command_reference to Chinese

* docs: remove experimental tag of `profile` command

* docs: minor fix

* address comments

* support read-only mode

* fix build and update docs

* fix json tag

* cmd: add `backup` command to dump Redis meta to a file

* cmd/backup: add support for SQL meta

* cmd/backup: add -i/--import to load metadata from a file

* cmd/backup: (Redis) re-calculate counters when importing metadata

* cmd/backup: (SQL) re-calculate counters when importing metadata

* cmd/backup: handle delfiles and sustained

* cmd/backup: ignore root inode when calculating usage

* cmd/backup: fix counters

* cmd/backup: calculate slice refs when loading

* cmd: split `backup` to two seperate commands: `dump` & `load`

* address comments

* test: add unit test for meta load/dump

* add some use cases

* Update case.md
Co-authored-by: NDavies Liu <davies@juicedata.io>

* fix memory leak in B2

* remove blazer

* fix lint

* add Hadoop doc ToC

* fix wrong anchor

* add ToC for English Hadoop doc

* add ADOPTERS list

* change ADOPTERS.md path

* Docs: Replace juicefs architecture picture

* Docs: Add the English version description for local storage

* Docs: replace pictures with the High resolution version

* Docs: Add adopter list

* Docs: update

* add quota for volume

* address comments

* update docs

* meta: rename info version to redisVersion

* add client information for each session

* cmd: add `sessions` subcommand to list all client sessions

* meta/sql: sync session table when creating sessions to add 'info' column

* cmd/sessions: add --detail option to show sustained inode and locks related to each session

* cmd: remove `sessions` subcommand, and add its functions to `status`

* cmd/status: remove --detail flag, instead only show detailed information if sid is specified

* cmd/status: add -f/--format to specify format of output

* cmd/status: use only json format for now

* cmd/status: rename print to printJson

* cleanup leaked inodes

* check with entries

* cleanup leaked inodes in Redis

* fix test