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A library that provides an embeddable, persistent key-value store for fast storage.
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C++ 82.1%
Java 10.3%
C 2.5%
Python 1.7%
Perl 1.1%
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leipeng 2b70224f82 remove bad extra RecordTick(stats_, WRITE_WITH_WAL) (#9064) 
Summary:
This PR fix wrong ticker `WRITE_WITH_WAL`.

`RecordTick(WRITE_WITH_WAL)` will be called later in `WriteToWAL` and `ConcurrentWriteToWAL`.

Fixes:
1. Delete these two extra `RecordTick(WRITE_WITH_WAL)`
2. Fix corresponding test case

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9064

Reviewed By: ajkr

Differential Revision: D31944459

Pulled By: riversand963

fbshipit-source-id: f1aa8d2a4320456bc357bc5b0902032f7dcad086
2021-11-01 11:43:14 -07:00
.circleci Fix EnvLibrados and add to CI (#9088) 2021-10-29 08:19:03 -07:00
.github/workflows Add (& fix) some simple source code checks (#8821) 2021-09-07 21:19:27 -07:00
buckifier Update buckify scripts (#9104) 2021-11-01 10:11:18 -07:00
build_tools Make format-diff.sh locale-independent (#9079) 2021-10-27 12:26:36 -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 remove bad extra RecordTick(stats_, WRITE_WITH_WAL) (#9064) 2021-11-01 11:43:14 -07:00
db_stress_tool Avoid div-by-zero error in db_stress (#9086) 2021-10-31 22:16:03 -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 Fix EnvLibrados and add to CI (#9088) 2021-10-29 08:19:03 -07:00
java Introduce allowStall option for write buffer manager constructor (#9076) 2021-10-26 12:09:54 -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 remove bad extra RecordTick(stats_, WRITE_WITH_WAL) (#9064) 2021-11-01 11:43:14 -07:00
options Implement XXH3 block checksum type (#9069) 2021-10-28 22:15:17 -07:00
plugin Makefile support to statically link external plugin code (#7918) 2021-02-10 08:35:34 -08:00
port Fix incorrect order of comments in win_thread.cc (#9033) 2021-10-27 13:25:01 -07:00
table Implement XXH3 block checksum type (#9069) 2021-10-28 22:15:17 -07:00
test_util SyncPoint::Process thrashes heap ... fix it (#9023) 2021-10-15 13:30:29 -07:00
third-party Add support for building on s390x platform (#8962) 2021-10-22 10:13:15 -07:00
tools Implement XXH3 block checksum type (#9069) 2021-10-28 22:15:17 -07:00
trace_replay Cleanup includes in dbformat.h (#8930) 2021-09-29 04:04:40 -07:00
util Add support for building on s390x platform (#8962) 2021-10-22 10:13:15 -07:00
utilities Fix a compaction bug for write-prepared txn (#9061) 2021-10-29 15:23:17 -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 Temporarily disable s390x+cmake* Travis jobs (#9095) 2021-10-29 11:06:50 -07:00
.watchmanconfig Added .watchmanconfig file to rocksdb repo (#5593) 2019-07-19 15:00:33 -07:00
appveyor.yml Remove 2019 from appveyor (#7038) 2020-06-29 14:31:41 -07:00
AUTHORS Update RocksDB Authors File 2017-10-18 14:42:10 -07:00
CMakeLists.txt Add support for building on s390x platform (#8962) 2021-10-22 10:13:15 -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
defs.bzl Make testpilot recognize that these tests have coverage instrumentation 2020-03-20 11:23:23 -07:00
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md remove bad extra RecordTick(stats_, WRITE_WITH_WAL) (#9064) 2021-11-01 11:43:14 -07:00
INSTALL.md Update installation instructions (#8158) 2021-04-06 16:02:04 -07:00
issue_template.md Add Google Group to Issue Template 2020-01-28 14:40:37 -08:00
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 Fix EnvLibrados and add to CI (#9088) 2021-10-29 08:19:03 -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
src.mk Experimental support for SST unique IDs (#8990) 2021-10-18 23:32:01 -07:00
TARGETS internal_repo_rocksdb/repo 2021-10-29 19:34:39 -07:00
thirdparty.inc Fix build jemalloc api (#5470) 2019-06-24 17:40:32 -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

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.