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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%
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stefan-zobel ddb7620a61 Fix trivial Javadoc omissions (#9534) 
Summary:
- fix spelling of `valueSizeSofLimit` and add "param" description in ReadOptions
- add 3 missing "return" in RocksDB

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9534

Reviewed By: riversand963

Differential Revision: D34131186

Pulled By: mrambacher

fbshipit-source-id: 7eb7ec177906052837180b291d67fb1c838c49e1
2022-02-28 11:51:17 -08:00
.circleci Remove cat_ignore_eagain (#9531) 2022-02-08 17:51:59 -08:00
.github/workflows Add (& fix) some simple source code checks (#8821) 2021-09-07 21:19:27 -07:00
buckifier configure microbenchmarks, regenerate targets (#9599) 2022-02-22 09:24:51 -08:00
build_tools Enable core dumps in TSAN/UBSAN crash tests (#9616) 2022-02-22 12:23:00 -08:00
cache Add a secondary cache implementation based on LRUCache 1 (#9518) 2022-02-23 16:06:27 -08:00
cmake gcc-11 and cmake related cleanup (#9286) 2021-12-17 17:04:35 -08:00
coverage Remove asan_symbolize.py for internal asan build (#8737) 2021-09-07 15:39:11 -07:00
db Dedicate cacheline for DB mutex (#9637) 2022-02-27 11:36:54 -08:00
db_stress_tool Add Temperature info in NewSequentialFile() (#9499) 2022-02-18 18:23:07 -08:00
docs New blog post for Ribbon filter (#8992) 2021-12-28 21:54:39 -08:00
env Return different Status based on ObjectRegistry::NewObject calls (#9333) 2022-02-11 05:11:24 -08:00
examples Require C++17 (#9481) 2022-02-04 17:13:10 -08:00
file Add Temperature info in NewSequentialFile() (#9499) 2022-02-18 18:23:07 -08:00
fuzz Fix compilation errors and add fuzzers to CircleCI (#9420) 2022-02-01 10:32:15 -08:00
include/rocksdb Add support for BlobDB to ldb (#9630) 2022-02-25 23:13:11 -08:00
java Fix trivial Javadoc omissions (#9534) 2022-02-28 11:51:17 -08:00
logging Use system-wide thread ID in info log lines (#9164) 2021-11-12 19:46:06 -08:00
memory Return different Status based on ObjectRegistry::NewObject calls (#9333) 2022-02-11 05:11:24 -08:00
memtable Remove using namespace (#9369) 2022-01-12 09:31:12 -08:00
microbench Add last level and non-last level read statistics (#9519) 2022-02-18 14:23:07 -08:00
monitoring Dedicate cacheline for DB mutex (#9637) 2022-02-27 11:36:54 -08:00
options Make FilterPolicy Customizable (#9590) 2022-02-18 13:22:31 -08:00
plugin Add initial CMake support to plugin (#9214) 2021-11-30 17:16:53 -08:00
port Require C++17 (#9481) 2022-02-04 17:13:10 -08:00
table Make FilterPolicy Customizable (#9590) 2022-02-18 13:22:31 -08:00
test_util Use the comparator from the sst file table properties in sst_dump_tool (#9491) 2022-02-08 12:15:35 -08:00
third-party Work around some new clang-analyze failures (#9515) 2022-02-07 18:24:36 -08:00
tools Add support for BlobDB to ldb (#9630) 2022-02-25 23:13:11 -08:00
trace_replay Added TraceOptions::preserve_write_order (#9334) 2021-12-28 15:04:26 -08:00
util Streaming Compression API for WAL compression. (#9619) 2022-02-23 23:45:04 -08:00
utilities Support WBWI for keys having timestamps (#9603) 2022-02-22 14:23:01 -08:00
.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 Temporary disable Travis s390x Makefile build (#9512) 2022-02-07 09:47:00 -08:00
.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 Streaming Compression API for WAL compression. (#9619) 2022-02-23 23:45:04 -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 Add Options::DisableExtraChecks, clarify force_consistency_checks (#9363) 2022-01-18 17:31:03 -08:00
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md Add support for BlobDB to ldb (#9630) 2022-02-25 23:13:11 -08:00
INSTALL.md Clarify Google benchmark < 1.6.0 in INSTALL.md (#9505) 2022-02-07 10:00:46 -08:00
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 Add a secondary cache implementation based on LRUCache 1 (#9518) 2022-02-23 16:06:27 -08:00
PLUGINS.md Move RADOS support to separate repo (#9206) 2022-01-24 22:50:07 -08:00
README.md README: De-list slack channel, list Google group (#9387) 2022-01-18 08:19:48 -08:00
ROCKSDB_LITE.md Fix some typos in comments and docs. 2018-03-08 10:27:25 -08:00
src.mk Streaming Compression API for WAL compression. (#9619) 2022-02-23 23:45:04 -08:00
TARGETS Streaming Compression API for WAL compression. (#9619) 2022-02-23 23:45:04 -08:00
thirdparty.inc Fix build jemalloc api (#5470) 2019-06-24 17:40:32 -07:00
USERS.md Add Solana's RocksDB use case in USERS.md (#9558) 2022-02-16 09:23:01 -08:00
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.

Questions and discussions are welcome on the RocksDB Developers Public Facebook group and email list on Google Groups.

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.