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A library that provides an embeddable, persistent key-value store for fast storage.
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Java 10.3%
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Baptiste Lemaire e4c87773e1 Reactivate Mempurge feature in crash test. (#9684) 
Summary:
Set `experimental_mempurge_threshold` back to `lambda: 10.0*random.random()` in crash test, reverting https://github.com/facebook/rocksdb/issues/8958 after fix provided in https://github.com/facebook/rocksdb/issues/9671 .

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9684

Reviewed By: pdillinger

Differential Revision: D34820257

Pulled By: bjlemaire

fbshipit-source-id: 1e5ae8c872c4ac4c4267c990ac5e3e793d77908c
2022-03-11 15:47:30 -08:00
.circleci Remove remaining SKIP_LINK=1 in circleci config (#9669) 2022-03-07 15:23:25 -08:00
.github/workflows Use released clang-format instead of the one from dev branch (#9646) 2022-03-01 10:51:38 -08:00
buckifier regenerate config jsons, reduce noise (#9644) 2022-03-01 15:09:45 -08:00
build_tools Reenable s390x platform_dependent travis job (#9631) 2022-03-01 13:50:41 -08:00
cache typo(clock_cache) fix incomplete message typo (#9638) 2022-03-01 10:57:09 -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 Fix mempurge crash reported in #8958 (#9671) 2022-03-10 15:16:55 -08:00
db_stress_tool Rate-limit automatic WAL flush after each user write (#9607) 2022-03-08 13:19:39 -08:00
docs Update Githubpages version (#9670) 2022-03-07 14:48:06 -08:00
env Posix API support for Async Read and Poll APIs (#9578) 2022-03-10 18:28:31 -08:00
examples Remove BlockBasedTableOptions.hash_index_allow_collision (#9454) 2022-03-01 13:58:02 -08:00
file Rate-limit automatic WAL flush after each user write (#9607) 2022-03-08 13:19:39 -08:00
fuzz Fix compilation errors and add fuzzers to CircleCI (#9420) 2022-02-01 10:32:15 -08:00
include/rocksdb Posix API support for Async Read and Poll APIs (#9578) 2022-03-10 18:28:31 -08:00
java Fix RocksJava releases for macOS (#9662) 2022-03-07 10:50:52 -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 regenerate config jsons, reduce noise (#9644) 2022-03-01 15:09:45 -08:00
monitoring Dedicate cacheline for DB mutex (#9637) 2022-02-27 11:36:54 -08:00
options remove redundant assignment code for member state (#9665) 2022-03-08 11:03:56 -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 compression_per_level should be used for flush and changeable (#9658) 2022-03-07 18:06:19 -08:00
test_util Remove BlockBasedTableOptions.hash_index_allow_collision (#9454) 2022-03-01 13:58:02 -08:00
third-party Work around some new clang-analyze failures (#9515) 2022-02-07 18:24:36 -08:00
tools Reactivate Mempurge feature in crash test. (#9684) 2022-03-11 15:47:30 -08:00
trace_replay Added TraceOptions::preserve_write_order (#9334) 2021-12-28 15:04:26 -08:00
util Avoid popcnt on Windows when unavailable and in portable builds (#9680) 2022-03-09 21:07:31 -08:00
utilities Fix clang-analyze by adding assertion (#9682) 2022-03-09 10:13:02 -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 Reenable s390x platform_dependent travis job (#9631) 2022-03-01 13:50:41 -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 Avoid popcnt on Windows when unavailable and in portable builds (#9680) 2022-03-09 21:07:31 -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 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 Support user-defined timestamps in write-committed txns (#9629) 2022-03-08 16:20:59 -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 Support user-defined timestamps in write-committed txns (#9629) 2022-03-08 16:20:59 -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 Support user-defined timestamps in write-committed txns (#9629) 2022-03-08 16:20:59 -08:00
TARGETS Support user-defined timestamps in write-committed txns (#9629) 2022-03-08 16:20:59 -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.