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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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Ezgi Çiçek 95d9cb8357 Avoid unnecessary copy of sample_slice map (#9551) 
Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/9551

Reviewed By: riversand963

Differential Revision: D34169574

Pulled By: ezgicicek

fbshipit-source-id: 2e88db59b65bda269917a9b0bed17181a4afd281
2022-02-11 09:15:27 -08:00
.circleci Remove cat_ignore_eagain (#9531) 2022-02-08 17:51:59 -08:00
.github/workflows Add (& fix) some simple source code checks (#8821) 2021-09-07 21:19:27 -07:00
buckifier Update TARGETS and related scripts 2022-02-02 20:39:59 -08:00
build_tools Require C++17 (#9481) 2022-02-04 17:13:10 -08:00
cache Require C++17 (#9481) 2022-02-04 17:13:10 -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 Avoid unnecessary copy of sample_slice map (#9551) 2022-02-11 09:15:27 -08:00
db_stress_tool Remove timestamp from key in expected state (#9525) 2022-02-09 09:50:54 -08:00
docs New blog post for Ribbon filter (#8992) 2021-12-28 21:54:39 -08:00
env Return different Status based on ObjectRegistry::NewObject calls (#9333) 2022-02-11 05:11:24 -08:00
examples Require C++17 (#9481) 2022-02-04 17:13:10 -08:00
file Disallow a combination of options (#9348) 2022-01-27 19:30:24 -08:00
fuzz Fix compilation errors and add fuzzers to CircleCI (#9420) 2022-02-01 10:32:15 -08:00
include/rocksdb Return different Status based on ObjectRegistry::NewObject calls (#9333) 2022-02-11 05:11:24 -08:00
java remove deprecated dispose() for Rocks JNI interface Java objects. (#9523) 2022-02-09 11:32:53 -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 more micro-benchmark tests (#9436) 2022-02-01 09:01:55 -08:00
monitoring Restore Regex support for ObjectLibrary::Register, rename new APIs to allow old one to be deprecated in the future (#9362) 2022-01-11 06:33:48 -08:00
options Return different Status based on ObjectRegistry::NewObject calls (#9333) 2022-02-11 05:11:24 -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 FilterPolicy API changes for 7.0 (#9501) 2022-02-08 13:56:46 -08:00
test_util Use the comparator from the sst file table properties in sst_dump_tool (#9491) 2022-02-08 12:15:35 -08:00
third-party Work around some new clang-analyze failures (#9515) 2022-02-07 18:24:36 -08:00
tools Remove deprecated option new_table_reader_for_compaction_inputs (#9443) 2022-02-08 19:31:28 -08:00
trace_replay Added TraceOptions::preserve_write_order (#9334) 2021-12-28 15:04:26 -08:00
util Return different Status based on ObjectRegistry::NewObject calls (#9333) 2022-02-11 05:11:24 -08:00
utilities Return different Status based on ObjectRegistry::NewObject calls (#9333) 2022-02-11 05:11:24 -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 Temporary disable Travis s390x Makefile build (#9512) 2022-02-07 09:47:00 -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 Require C++17 (#9481) 2022-02-04 17:13:10 -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
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 Return different Status based on ObjectRegistry::NewObject calls (#9333) 2022-02-11 05:11:24 -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 Work around some new clang-analyze failures (#9515) 2022-02-07 18:24:36 -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 Introduce a CountedFileSystem for counting file operations (#9283) 2022-02-03 15:01:23 -08:00
TARGETS Introduce a CountedFileSystem for counting file operations (#9283) 2022-02-03 15:01:23 -08:00
thirdparty.inc Fix build jemalloc api (#5470) 2019-06-24 17:40:32 -07:00
USERS.md Update USERS.md (#8923) 2021-10-01 16:10:35 -07:00
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.