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A library that provides an embeddable, persistent key-value store for fast storage.
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aierui d1cc91c142 typo fix: delete duplicate comment word (#9249) 
Summary:
typo fix: delete duplicate comment word

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9249

Reviewed By: riversand963

Differential Revision: D36219911

fbshipit-source-id: 01e2fda65590f18fe46eefb56e049e6f2d028ae8
2022-05-06 18:29:33 -07:00
.circleci Misc CI improvements / additions (#9859) 2022-04-18 20:26:37 -07:00
.github/workflows Use released clang-format instead of the one from dev branch (#9646) 2022-03-01 10:51:38 -08:00
buckifier Remove flaky servicelab metrics DBPut P95/P99 (#9844) 2022-04-15 13:56:22 -07:00
build_tools platform010 gcc (#9946) 2022-05-05 11:45:51 -07:00
cache Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
cmake gcc-11 and cmake related cleanup (#9286) 2021-12-17 17:04:35 -08:00
coverage Fix commit_prereq and other targets (#9797) 2022-04-04 09:58:18 -07:00
db Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
db_stress_tool Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
docs Bump nokogiri from 1.13.3 to 1.13.4 in /docs (#9831) 2022-04-12 09:07:14 -07:00
env Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
examples Remove BlockBasedTableOptions.hash_index_allow_collision (#9454) 2022-03-01 13:58:02 -08:00
file Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
fuzz Fix compilation errors and add fuzzers to CircleCI (#9420) 2022-02-01 10:32:15 -08:00
include/rocksdb typo fix: delete duplicate comment word (#9249) 2022-05-06 18:29:33 -07:00
java Fixed typo (#9331) 2022-05-06 17:41:07 -07:00
logging Use system-wide thread ID in info log lines (#9164) 2021-11-12 19:46:06 -08:00
memory Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
memtable Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
microbench Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
monitoring Use std::numeric_limits<> (#9954) 2022-05-05 13:08:21 -07:00
options Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
plugin Add initial CMake support to plugin (#9214) 2021-11-30 17:16:53 -08:00
port Use std::numeric_limits<> (#9954) 2022-05-05 13:08:21 -07:00
table Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
test_util Clean up variables for temporary directory (#9961) 2022-05-06 16:38:06 -07:00
third-party Meta-internal folly integration with F14FastMap (#9546) 2022-04-13 07:34:01 -07:00
tools Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
trace_replay Use std::numeric_limits<> (#9954) 2022-05-05 13:08:21 -07:00
util Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
utilities Remove own ToString() (#9955) 2022-05-06 13:03:58 -07:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.gitignore Meta-internal folly integration with F14FastMap (#9546) 2022-04-13 07:34:01 -07:00
.lgtm.yml Create lgtm.yml for LGTM.com C/C++ analysis (#4058) 2018-06-26 12:43:04 -07:00
.travis.yml Fix remaining uses of "backupable" (#9792) 2022-04-05 09:52:33 -07:00
.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 Generate pkg-config file via CMake (#9945) 2022-05-05 09:03:31 -07:00
CODE_OF_CONDUCT.md Adopt Contributor Covenant 2019-08-29 23:21:01 -07:00
common.mk Clean up variables for temporary directory (#9961) 2022-05-06 16:38:06 -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
crash_test.mk Clean up variables for temporary directory (#9961) 2022-05-06 16:38:06 -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 Rename kRemoveWithSingleDelete to kPurge (#9951) 2022-05-05 08:16:20 -07:00
INSTALL.md Update supported VS versions in INSTALL.md (#9823) 2022-04-13 13:03:40 -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 Clean up variables for temporary directory (#9961) 2022-05-06 16:38:06 -07:00
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 remaining uses of "backupable" (#9792) 2022-04-05 09:52:33 -07:00
rocksdb.pc.in Generate pkg-config file via CMake (#9945) 2022-05-05 09:03:31 -07:00
src.mk Fork and simplify LRUCache for developing enhancements (#9917) 2022-05-03 12:32:02 -07:00
TARGETS Fork and simplify LRUCache for developing enhancements (#9917) 2022-05-03 12:32:02 -07:00
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.