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A library that provides an embeddable, persistent key-value store for fast storage.
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奏之章 3717a88289 Fix UniversalCompaction trivial move bug (#6067) 
Summary:
`curr.level` is `c->inputs_` index, not real level.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6067

Differential Revision: D18935726

fbshipit-source-id: 4354e6e9cd900ca56c96e9d770f0ab6634e45daf
2019-12-11 11:27:53 -08:00
buckifier PosixRandomAccessFile::MultiRead() to use I/O uring if supported (#5881) 2019-12-07 20:55:52 -08:00
build_tools PosixRandomAccessFile::MultiRead() to use I/O uring if supported (#5881) 2019-12-07 20:55:52 -08:00
cache Remove key length assertion LRUHandle::CalcTotalCharge (#6115) 2019-12-02 15:00:07 -08:00
cmake Compatible changes for cmake (#6045) 2019-11-22 08:19:48 -08:00
coverage Fix interpreter lines for files with python2-only syntax. 2019-07-09 10:51:37 -07:00
db Fix UniversalCompaction trivial move bug (#6067) 2019-12-11 11:27:53 -08:00
db_stress_tool Add SyncWAL to db_stress (#6149) 2019-12-10 21:55:25 -08:00
docs Blog post for write_unprepared (#5711) 2019-08-15 14:41:13 -07:00
env Fix an asan warning caused by the recent io_uring change (#6135) 2019-12-09 10:25:09 -08:00
examples Add example to show the effect of Get in snapshot isolation (#6059) 2019-12-11 09:56:42 -08:00
file Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
hdfs Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
include/rocksdb Add missing DataBlock-releated functions to the C-API (#6101) 2019-12-02 11:00:09 -08:00
java Add an option to the CMake build to disable building shared libraries (#6122) 2019-12-10 15:20:50 -08:00
logging Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
memory Charge block cache for cache internal usage (#5797) 2019-09-16 15:26:21 -07:00
memtable Misc hashing updates / upgrades (#5909) 2019-10-24 17:16:46 -07:00
monitoring Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
options Allow fractional bits/key in BloomFilterPolicy (#6092) 2019-11-26 15:59:34 -08:00
port Work around weird unused errors with Mingw (#6075) 2019-11-26 21:42:29 -08:00
table Apply formatter to some recent commits (#6138) 2019-12-09 15:49:49 -08:00
test_util New Bloom filter implementation for full and partitioned filters (#6007) 2019-11-13 16:44:01 -08:00
third-party Apply formatter to some recent commits (#6138) 2019-12-09 15:49:49 -08:00
tools Add PauseBackgroundWork() to db_stress (#6148) 2019-12-10 15:46:48 -08:00
trace_replay Misc hashing updates / upgrades (#5909) 2019-10-24 17:16:46 -07:00
util Fix thread_local_test failure caused by recent io_uring change (#6136) 2019-12-09 12:03:30 -08:00
utilities Fix BlobDB compilation on older GCC versions 2019-11-27 13:09:09 -08:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.gitignore Make buckifier python3 compatible (#5922) 2019-10-23 13:52:27 -07:00
.lgtm.yml Create lgtm.yml for LGTM.com C/C++ analysis (#4058) 2018-06-26 12:43:04 -07:00
.travis.yml Partial rebalance of TEST_GROUPs for Travis (#6010) 2019-11-07 09:50:59 -08:00
.watchmanconfig Added .watchmanconfig file to rocksdb repo (#5593) 2019-07-19 15:00:33 -07:00
appveyor.yml Add Visual Studio 2015 to AppVeyor (#5446) 2019-12-10 20:02:31 -08:00
AUTHORS Update RocksDB Authors File 2017-10-18 14:42:10 -07:00
CMakeLists.txt Add Visual Studio 2015 to AppVeyor (#5446) 2019-12-10 20:02:31 -08:00
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 Add clarifying/instructive header to TARGETS and defs.bzl 2019-11-05 20:20:33 -08:00
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md Fix typos in history 2019-12-11 11:04:46 -08:00
INSTALL.md Update the version of the dependencies used by the RocksJava static build (#4761) 2018-12-18 20:25:43 -08:00
issue_template.md Add a template for issues 2017-09-29 11:41:28 -07:00
LANGUAGE-BINDINGS.md LANGUAGE-BINDINGS.md: mention python-rocksdb 2019-03-20 11:10:48 -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 compile error "folly/xx.h file not found" on Mac OS (#6145) 2019-12-10 11:24:11 -08:00
README.md Replaced some words (#5877) 2019-10-07 12:28:09 -07:00
ROCKSDB_LITE.md Fix some typos in comments and docs. 2018-03-08 10:27:25 -08:00
src.mk Break db_stress_tool.cc to a list of source files (#6134) 2019-12-08 23:51:01 -08:00
TARGETS Break db_stress_tool.cc to a list of source files (#6134) 2019-12-08 23:51:01 -08:00
thirdparty.inc Fix build jemalloc api (#5470) 2019-06-24 17:40:32 -07:00
USERS.md Add avrio to USERS.md (#5748) 2019-09-15 21:29:09 -07:00
Vagrantfile Adding CentOS 7 Vagrantfile & build script 2018-02-26 15:27:17 -08:00
WINDOWS_PORT.md #5145 , rename port/dirent.h to port/port_dirent.h to avoid compile err when use port dir as header dir output (#5152) 2019-04-04 11:38:19 -07:00

README.md

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

Linux/Mac Build Status Windows Build status PPC64le Build Status

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/master/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/

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.