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A library that provides an embeddable, persistent key-value store for fast storage.
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yaphet 7fb723f581 Using back to get the last element (#9415) 
Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/9415

Reviewed By: ajkr

Differential Revision: D33773673

Pulled By: riversand963

fbshipit-source-id: 52b59ec5a6b01a91d3f990b7f2b0f16320afb49b
2022-01-27 11:35:33 -08:00
.circleci Move RADOS support to separate repo (#9206) 2022-01-24 22:50:07 -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 (#9310) 2021-12-17 11:51:51 -08:00
build_tools Move HDFS support to separate repo (#9170) 2022-01-24 20:23:54 -08:00
cache Fix unity build with SUPPORT_CLOCK_CACHE (#9309) 2021-12-17 14:15:07 -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 deprecated table_cache_remove_scan_count_limit option. (#9450) 2022-01-27 09:33:31 -08:00
db_stress_tool db_stress: db_stress fails on custom filesystems. (#9352) 2022-01-25 16:22:58 -08:00
docs New blog post for Ribbon filter (#8992) 2021-12-28 21:54:39 -08:00
env Move HDFS support to separate repo (#9170) 2022-01-24 20:23:54 -08:00
examples Fix a backward compatibility issue (#9456) 2022-01-26 22:23:21 -08:00
file Fix race condition in SstFileManagerImpl error recovery code (#9435) 2022-01-25 23:22:58 -08:00
fuzz Remove using namespace (#9369) 2022-01-12 09:31:12 -08:00
include/rocksdb Improve performance of SliceTransform::AsString (#9401) 2022-01-27 10:05:33 -08:00
java Move HDFS support to separate repo (#9170) 2022-01-24 20:23:54 -08:00
logging Use system-wide thread ID in info log lines (#9164) 2021-11-12 19:46:06 -08:00
memory Fix compilation error when building static_lib (#9377) 2022-01-12 09:04:01 -08:00
memtable Remove using namespace (#9369) 2022-01-12 09:31:12 -08:00
microbench Skip directory fsync for filesystem btrfs (#8903) 2021-11-03 12:21:27 -07:00
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 Improve performance of SliceTransform::AsString (#9401) 2022-01-27 10:05:33 -08:00
plugin Add initial CMake support to plugin (#9214) 2021-11-30 17:16:53 -08:00
port Add to HISTORY and minor loose ends from #9294, #9254 (#9386) 2022-01-21 13:04:19 -08:00
table Clarify status-handling logic in BlockBasedTableBuilder::WriteRawBlock (#9393) 2022-01-26 10:24:16 -08:00
test_util Remove deprecated ObjectLibrary::Register() (and Regex public API) (#9439) 2022-01-26 16:22:44 -08:00
third-party Remove using namespace (#9369) 2022-01-12 09:31:12 -08:00
tools Using back to get the last element (#9415) 2022-01-27 11:35:33 -08:00
trace_replay Added TraceOptions::preserve_write_order (#9334) 2021-12-28 15:04:26 -08:00
util Improve performance of SliceTransform::AsString (#9401) 2022-01-27 10:05:33 -08:00
utilities Remove deprecated ObjectLibrary::Register() (and Regex public API) (#9439) 2022-01-26 16:22:44 -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 Re-enable 390x+cmake* Travis jobs (#9110) 2021-11-03 20:30:15 -07:00
.watchmanconfig Added .watchmanconfig file to rocksdb repo (#5593) 2019-07-19 15:00:33 -07:00
appveyor.yml Remove VS2017 from Appveyor CI (#9417) 2022-01-21 16:16:00 -08:00
AUTHORS Update RocksDB Authors File 2017-10-18 14:42:10 -07:00
CMakeLists.txt Remove deprecated ObjectLibrary::Register() (and Regex public API) (#9439) 2022-01-26 16:22:44 -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 Remove deprecated table_cache_remove_scan_count_limit option. (#9450) 2022-01-27 09:33:31 -08:00
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 Move RADOS support to separate repo (#9206) 2022-01-24 22:50:07 -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 Remove deprecated ObjectLibrary::Register() (and Regex public API) (#9439) 2022-01-26 16:22:44 -08:00
TARGETS Remove deprecated ObjectLibrary::Register() (and Regex public API) (#9439) 2022-01-26 16:22:44 -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.