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leipeng 0c53b41856 db_impl_write.cc: use stats_ instead of immutable_db_options_.stats (#9053)
Summary:
This PR has no semantic changes, just to make code shorter.

`stats_` has value same with `immutable_db_options_.stats`.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9053

Reviewed By: zhichao-cao

Differential Revision: D31801603

Pulled By: anand1976

fbshipit-source-id: cbd8fe478d3e90ae078ace49b4f2eb9bb028ccf6
2021-10-20 14:04:59 -07:00
.circleci Fix gcc-11 compile error (#9043) 2021-10-18 12:22:37 -07:00
.github/workflows Add (& fix) some simple source code checks (#8821) 2021-09-07 21:19:27 -07:00
buckifier Modify script which generates TARGETS (#8366) 2021-06-04 16:28:59 -07:00
build_tools Remove -Wshorten-64-to-32 FreeBSD on aarch64 as it breaks compilation. (#9010) 2021-10-14 14:38:47 -07:00
cache Add lowest_used_cache_tier to ImmutableDBOptions to enable or disable Secondary Cache (#9050) 2021-10-19 15:54:23 -07:00
cmake Add `find_dependency()` in cmake config file. (#6791) 2020-05-12 21:18:29 -07:00
coverage Remove asan_symbolize.py for internal asan build (#8737) 2021-09-07 15:39:11 -07:00
db db_impl_write.cc: use stats_ instead of immutable_db_options_.stats (#9053) 2021-10-20 14:04:59 -07:00
db_stress_tool Fix stress/crash test handling of SST unique IDs (#9054) 2021-10-19 11:52:07 -07:00
docs Misc doc fixes (#8983) 2021-10-07 11:22:17 -07:00
env Experimental support for SST unique IDs (#8990) 2021-10-18 23:32:01 -07:00
examples Add (& fix) some simple source code checks (#8821) 2021-09-07 21:19:27 -07:00
file Add (Live)FileStorageInfo API (#8968) 2021-10-16 10:04:32 -07:00
fuzz Make EventListener into a Customizable Class (#8473) 2021-07-27 07:47:02 -07:00
hdfs fix build with 'USE_HDFS' on windows (#6950) 2020-06-12 16:21:50 -07:00
include/rocksdb Support `GetMapProperty()` with "rocksdb.dbstats" (#9057) 2021-10-20 13:17:00 -07:00
java New-style blob option bindings, Java option getter and improve/fix option parsing (#8999) 2021-10-19 09:21:52 -07:00
logging Make SystemClock into a Customizable Class (#8636) 2021-09-21 09:23:48 -07:00
memory Fix and detect headers with missing dependencies (#8893) 2021-09-10 10:00:26 -07:00
memtable Fix race in WriteBufferManager (#9009) 2021-10-12 00:16:21 -07:00
microbench Add micro-benchmark support (#8493) 2021-07-08 18:22:45 -07:00
monitoring improve-histogram-performance: remove valueIndexMap_ (#8625) 2021-10-14 14:45:20 -07:00
options Incremental Space Amp Compactions in Universal Style (#8655) 2021-10-20 10:04:13 -07:00
plugin Makefile support to statically link external plugin code (#7918) 2021-02-10 08:35:34 -08:00
port Prevent deadlock in db_stress with DbStressCompactionFilter (#8956) 2021-09-24 16:54:02 -07:00
table Add lowest_used_cache_tier to ImmutableDBOptions to enable or disable Secondary Cache (#9050) 2021-10-19 15:54:23 -07:00
test_util SyncPoint::Process thrashes heap ... fix it (#9023) 2021-10-15 13:30:29 -07:00
third-party Fix a compilation error in CircleCI vs2019 CXX20 (#8090) 2021-03-23 10:28:04 -07:00
tools Incremental Space Amp Compactions in Universal Style (#8655) 2021-10-20 10:04:13 -07:00
trace_replay Cleanup includes in dbformat.h (#8930) 2021-09-29 04:04:40 -07:00
util Allow unregistered options to be ignored in DBOptions from files (#9045) 2021-10-19 10:43:04 -07:00
utilities Add (Live)FileStorageInfo API (#8968) 2021-10-16 10:04:32 -07:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.gitignore gitignore cmake-build-* for CLion integration (#7933) 2021-02-19 13:43:15 -08:00
.lgtm.yml Create lgtm.yml for LGTM.com C/C++ analysis (#4058) 2018-06-26 12:43:04 -07:00
.travis.yml Move arm build from travis to circleci (#8203) 2021-04-19 20:07:02 -07:00
.watchmanconfig Added .watchmanconfig file to rocksdb repo (#5593) 2019-07-19 15:00:33 -07:00
AUTHORS Update RocksDB Authors File 2017-10-18 14:42:10 -07:00
CMakeLists.txt Experimental support for SST unique IDs (#8990) 2021-10-18 23:32:01 -07:00
CODE_OF_CONDUCT.md Adopt Contributor Covenant 2019-08-29 23:21:01 -07:00
CONTRIBUTING.md Add Code of Conduct 2017-12-05 18:42:35 -08:00
COPYING Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
DEFAULT_OPTIONS_HISTORY.md options.delayed_write_rate use the rate of rate_limiter by default. 2017-05-24 09:58:24 -07:00
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md Support `GetMapProperty()` with "rocksdb.dbstats" (#9057) 2021-10-20 13:17:00 -07:00
INSTALL.md Update installation instructions (#8158) 2021-04-06 16:02:04 -07:00
LANGUAGE-BINDINGS.md Update branch name to "main" in README/LANGUAGE_BINDINGS (#8727) 2021-09-01 15:26:34 -07:00
LICENSE.Apache Change RocksDB License 2017-07-15 16:11:23 -07:00
LICENSE.leveldb Add back the LevelDB license file 2017-07-16 18:42:18 -07:00
Makefile Point bzip2 download address to http://sourceware.org/pub/bzip2 (#8986) 2021-10-05 11:21:46 -07:00
PLUGINS.md Add ZenFS to plugin list (#8218) 2021-04-22 11:12:40 -07:00
README.md Update branch name to "main" in README/LANGUAGE_BINDINGS (#8727) 2021-09-01 15:26:34 -07:00
ROCKSDB_LITE.md Fix some typos in comments and docs. 2018-03-08 10:27:25 -08:00
TARGETS Experimental support for SST unique IDs (#8990) 2021-10-18 23:32:01 -07:00
USERS.md Update USERS.md (#8923) 2021-10-01 16:10:35 -07:00
Vagrantfile Adding CentOS 7 Vagrantfile & build script 2018-02-26 15:27:17 -08:00
WINDOWS_PORT.md Update branch name in WINDOWS_PORT.md (#8745) 2021-09-01 19:26:39 -07:00
appveyor.yml Remove 2019 from appveyor (#7038) 2020-06-29 14:31:41 -07:00
defs.bzl Make testpilot recognize that these tests have coverage instrumentation 2020-03-20 11:23:23 -07:00
issue_template.md Add Google Group to Issue Template 2020-01-28 14:40:37 -08:00
src.mk Experimental support for SST unique IDs (#8990) 2021-10-18 23:32:01 -07:00
thirdparty.inc Fix build jemalloc api (#5470) 2019-06-24 17:40:32 -07:00

README.md

RocksDB: A Persistent Key-Value Store for Flash and RAM Storage

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RocksDB is developed and maintained by Facebook Database Engineering Team. It is built on earlier work on LevelDB by Sanjay Ghemawat (sanjay@google.com) and Jeff Dean (jeff@google.com)

This code is a library that forms the core building block for a fast key-value server, especially suited for storing data on flash drives. It has a Log-Structured-Merge-Database (LSM) design with flexible tradeoffs between Write-Amplification-Factor (WAF), Read-Amplification-Factor (RAF) and Space-Amplification-Factor (SAF). It has multi-threaded compactions, making it especially suitable for storing multiple terabytes of data in a single database.

Start with example usage here: https://github.com/facebook/rocksdb/tree/main/examples

See the github wiki for more explanation.

The public interface is in include/. Callers should not include or rely on the details of any other header files in this package. Those internal APIs may be changed without warning.

Design discussions are conducted in https://www.facebook.com/groups/rocksdb.dev/ and https://rocksdb.slack.com/

License

RocksDB is dual-licensed under both the GPLv2 (found in the COPYING file in the root directory) and Apache 2.0 License (found in the LICENSE.Apache file in the root directory). You may select, at your option, one of the above-listed licenses.