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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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Sahir Hoda 139778dfb3 Expose Cache::DisownData in C API (#8160) 
Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/8160

Reviewed By: riversand963

Differential Revision: D27672474

Pulled By: ajkr

fbshipit-source-id: fdbbc3398f0b1d4cef6b68636e5caf369c34b3a7
2021-04-09 10:39:11 -07:00
.circleci Make tests "parallel" and "passing ASC" by default (#8146) 2021-04-04 20:10:11 -07:00
.github/workflows Update clang-format-diff.py path (#7944) 2021-02-09 12:49:38 -08:00
buckifier Make tests "parallel" and "passing ASC" by default (#8146) 2021-04-04 20:10:11 -07:00
build_tools Fix crash test with backup as read-only DB (#8161) 2021-04-06 23:31:51 -07:00
cache Fix some typos in comments (#8066) 2021-03-25 21:18:08 -07:00
cmake Add find_dependency() in cmake config file. (#6791) 2020-05-12 21:18:29 -07:00
coverage Find the correct gcov (#6904) 2020-06-01 16:33:05 -07:00
db Expose Cache::DisownData in C API (#8160) 2021-04-09 10:39:11 -07:00
db_stress_tool Enable backup/restore for Integrated BlobDB in stress and crash tests (#8165) 2021-04-07 17:57:24 -07:00
docs Vulnerability issue in kramdown dependency (#8131) 2021-03-30 10:31:27 -07:00
env Integrated BlobDB for backup/restore support (#8129) 2021-04-07 13:38:54 -07:00
examples make:Fix c header prototypes (#7994) 2021-03-09 20:44:23 -08:00
file Replace Status with IOStatus for block fetcher IO function (#8130) 2021-04-01 10:07:55 -07:00
fuzz Remove Legacy and Custom FileWrapper classes from header files (#7851) 2021-01-28 22:10:32 -08:00
hdfs fix build with 'USE_HDFS' on windows (#6950) 2020-06-12 16:21:50 -07:00
include/rocksdb Expose Cache::DisownData in C API (#8160) 2021-04-09 10:39:11 -07:00
java Add sample_for_compression results to table properties (#8139) 2021-03-31 18:21:50 -07:00
logging Use SystemClock* instead of std::shared_ptr<SystemClock> in lower level routines (#8033) 2021-03-15 04:34:11 -07:00
memory Use thread-safe strerror_r() to get error message (#8087) 2021-03-24 23:07:27 -07:00
memtable Use SystemClock* instead of std::shared_ptr<SystemClock> in lower level routines (#8033) 2021-03-15 04:34:11 -07:00
monitoring Support cpu_write_nanos and cpu_read_nanos in IOStatsContext (#8149) 2021-04-06 00:31:53 -07:00
options Use SystemClock* instead of std::shared_ptr<SystemClock> in lower level routines (#8033) 2021-03-15 04:34:11 -07:00
plugin Makefile support to statically link external plugin code (#7918) 2021-02-10 08:35:34 -08:00
port stack trace freebsd update. using native api to get the process (#8144) 2021-04-06 00:28:47 -07:00
table Fix a bug for SeekForPrev with partitioned filter and prefix (#8137) 2021-04-06 12:14:08 -07:00
test_util Unittest uses unique test db name (#8124) 2021-03-30 16:51:26 -07:00
third-party Fix a compilation error in CircleCI vs2019 CXX20 (#8090) 2021-03-23 10:28:04 -07:00
tools db_bench_tool: basic sys infos for FreeBSD. (#8169) 2021-04-09 10:37:01 -07:00
trace_replay Add request_id in IODebugContext. (#8045) 2021-04-01 13:14:51 -07:00
util Introduce a ThreadGuard class and use it in ExternalSSTFileTest.PickedLevelBug (#8112) 2021-03-25 22:08:58 -07:00
utilities Integrated BlobDB for backup/restore support (#8129) 2021-04-07 13:38:54 -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 use LIB_MODE=shared on Travis make commands (#8043) 2021-03-08 17:21:24 -08:00
.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 Make backups openable as read-only DBs (#8142) 2021-04-06 14:37:53 -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 Fix flush reason attribution (#8150) 2021-04-07 23:18:37 -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 Add RestoreDBFromLatestBackup to C API, add new C# package (#7092) 2020-07-08 11:56:41 -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 Update ZStd. Fixes an issue with Make 3.82 (#8155) 2021-04-06 11:05:10 -07:00
PLUGINS.md Makefile support to statically link external plugin code (#7918) 2021-02-10 08:35:34 -08:00
README.md Fix the CI badge for ppc64le Jenkins (#7561) 2020-10-16 09:00:56 -07:00
ROCKSDB_LITE.md Fix some typos in comments and docs. 2018-03-08 10:27:25 -08:00
src.mk Make backups openable as read-only DBs (#8142) 2021-04-06 14:37:53 -07:00
TARGETS Make backups openable as read-only DBs (#8142) 2021-04-06 14:37:53 -07:00
thirdparty.inc Fix build jemalloc api (#5470) 2019-06-24 17:40:32 -07:00
USERS.md Add Apache Doris to USERS (#7865) 2021-01-19 15:31:56 -08:00
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

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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/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/ 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.