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A library that provides an embeddable, persistent key-value store for fast storage.
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sdong 33742c2a9f Remove BlockBasedTableOptions.hash_index_allow_collision (#9454) 
Summary:
BlockBasedTableOptions.hash_index_allow_collision is already deprecated and has no effect. Delete it for preparing 7.0 release.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9454

Test Plan: Run all existing tests.

Reviewed By: ajkr

Differential Revision: D33805827

fbshipit-source-id: ed8a436d1d083173ec6aef2a762ba02e1eefdc9d
2022-03-01 13:58:02 -08:00
.circleci Remove cat_ignore_eagain (#9531) 2022-02-08 17:51:59 -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 configure microbenchmarks, regenerate targets (#9599) 2022-02-22 09:24:51 -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 Remove BlockBasedTableOptions.hash_index_allow_collision (#9454) 2022-03-01 13:58:02 -08:00
db_stress_tool Add Temperature info in NewSequentialFile() (#9499) 2022-02-18 18:23:07 -08:00
docs Bump nokogiri from 1.12.5 to 1.13.3 in /docs (#9636) 2022-03-01 11:24:16 -08:00
env Return different Status based on ObjectRegistry::NewObject calls (#9333) 2022-02-11 05:11:24 -08:00
examples Remove BlockBasedTableOptions.hash_index_allow_collision (#9454) 2022-03-01 13:58:02 -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 Remove BlockBasedTableOptions.hash_index_allow_collision (#9454) 2022-03-01 13:58:02 -08:00
java Fix pointer to jlong conversion in 32 bit OS (#9396) 2022-03-01 09:02:15 -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 Remove BlockBasedTableOptions.hash_index_allow_collision (#9454) 2022-03-01 13:58:02 -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 Remove BlockBasedTableOptions.hash_index_allow_collision (#9454) 2022-03-01 13:58:02 -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 Remove BlockBasedTableOptions.hash_index_allow_collision (#9454) 2022-03-01 13:58:02 -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 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 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 Remove BlockBasedTableOptions.hash_index_allow_collision (#9454) 2022-03-01 13:58:02 -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.