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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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Jay Zhuang e8eb02145a Fix a minor regression script issue (#8755) 
Summary:
The system default `time` doesn't support option -v

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8755

Test Plan: CI: https://www.internalfb.com/intern/sandcastle/job/13510799359724405

Reviewed By: ltamasi

Differential Revision: D30757119

Pulled By: jay-zhuang

fbshipit-source-id: 093e5084f3b7cc71f6795b1062f48d4e77ed4518
2021-09-04 17:35:22 -07:00
.circleci Update branch name to "main" in CircleCI config (#8726) 2021-09-01 12:26:42 -07:00
.github/workflows Update clang-format-diff.py path (#7944) 2021-02-09 12:49:38 -08:00
buckifier Modify script which generates TARGETS (#8366) 2021-06-04 16:28:59 -07:00
build_tools Fix a minor regression script issue (#8755) 2021-09-04 17:35:22 -07:00
cache Fix a race in LRUCacheShard::Promote (#8717) 2021-08-30 19:10:55 -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 Update branch as "main" in tools/advisor/README.md (#8744) 2021-09-01 20:26:28 -07:00
db_stress_tool Remove some unneeded code (#8736) 2021-09-01 14:28:58 -07:00
docs Update branch name to main in docs/* (#8743) 2021-09-01 16:29:39 -07:00
env Built-in support for generating unique IDs, bug fix (#8708) 2021-08-30 15:20:41 -07:00
examples make:Fix c header prototypes (#7994) 2021-03-09 20:44:23 -08:00
file Add db_test2 to to ASSERT_STATUS_CHECKED (#8640) 2021-08-16 08:10:32 -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 Remove some unneeded code (#8736) 2021-09-01 14:28:58 -07:00
java Remove some unneeded code (#8736) 2021-09-01 14:28:58 -07:00
logging Do not attempt to rename non-existent info log (#8622) 2021-08-04 17:25:00 -07:00
memory Use thread-safe strerror_r() to get error message (#8087) 2021-03-24 23:07:27 -07:00
memtable Refactor WriteBufferManager::CacheRep into CacheReservationManager (#8506) 2021-08-24 12:43:31 -07:00
microbench Add micro-benchmark support (#8493) 2021-07-08 18:22:45 -07:00
monitoring Add a PerfContext counter for secondary cache hits (#8685) 2021-08-20 15:17:30 -07:00
options Make Configurable/Customizable options copyable (#8704) 2021-08-25 17:48:08 -07:00
plugin Makefile support to statically link external plugin code (#7918) 2021-02-10 08:35:34 -08:00
port Built-in support for generating unique IDs, bug fix (#8708) 2021-08-30 15:20:41 -07:00
table Remove some unneeded code (#8736) 2021-09-01 14:28:58 -07:00
test_util Fix some minor issues in the Customizable infrastructure (#8566) 2021-08-19 10:10:47 -07:00
third-party Fix a compilation error in CircleCI vs2019 CXX20 (#8090) 2021-03-23 10:28:04 -07:00
tools Fix regression test script (#8753) 2021-09-03 19:05:33 -07:00
trace_replay Replace std::shared_ptr<SystemClock> by SystemClock* in TraceExecutionHandler (#8729) 2021-08-31 11:24:27 -07:00
util Remove some unneeded code (#8736) 2021-09-01 14:28:58 -07:00
utilities Fix a buffer size race condition in BackupEngine (#8732) 2021-09-01 14:28:58 -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 Move arm build from travis to circleci (#8203) 2021-04-19 20:07:02 -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 Built-in support for generating unique IDs, bug fix (#8708) 2021-08-30 15:20:41 -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 some unneeded code (#8736) 2021-09-01 14:28:58 -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 Refactor WriteBufferManager::CacheRep into CacheReservationManager (#8506) 2021-08-24 12:43:31 -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 Built-in support for generating unique IDs, bug fix (#8708) 2021-08-30 15:20:41 -07:00
TARGETS Built-in support for generating unique IDs, bug fix (#8708) 2021-08-30 15:20:41 -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 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.