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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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Peter Dillinger 4b107ceb7e Improve code comments in EstimateLiveDataSize (#7072) 
Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/7072

Reviewed By: ajkr

Differential Revision: D22391641

Pulled By: pdillinger

fbshipit-source-id: 0ef355576454514263ab684eb1a5c06787f3242a
2020-07-06 16:17:02 -07:00
.circleci Remove 2019 from appveyor (#7038) 2020-06-29 14:31:41 -07:00
.github/workflows Clean up some code related to file checksums (#6861) 2020-05-21 08:12:51 -07:00
buckifier Fix test in buck test (#7076) 2020-07-02 20:28:45 -07:00
build_tools Use Libraries in the RocksDB Makefile Build (#6660) 2020-06-30 19:33:31 -07:00
cache Revert "Update googletest from 1.8.1 to 1.10.0 (#6808)" (#6923) 2020-06-03 15:55:03 -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 Improve code comments in EstimateLiveDataSize (#7072) 2020-07-06 16:17:02 -07:00
db_stress_tool Fix release build caused by #7067 (#7077) 2020-07-02 20:53:08 -07:00
docs Log warning for high bits/key in legacy Bloom filter (#6312) 2020-01-17 19:37:35 -08:00
env Move away from direct TmpDir() call in some tests (#7030) 2020-06-25 12:09:57 -07:00
examples add WITH_EXAMPLES options to cmake and cleanups. (#6580) 2020-06-18 18:00:04 -07:00
file Extend Get/MultiGet deadline support to table open (#6982) 2020-06-29 14:53:17 -07:00
hdfs fix build with 'USE_HDFS' on windows (#6950) 2020-06-12 16:21:50 -07:00
include/rocksdb BackupEngine verifies table file checksums on creating new backups (#7015) 2020-07-02 18:15:12 -07:00
java Add DB::OpenAsSecondary to RocksJava (#7047) 2020-07-06 11:48:57 -07:00
logging Fix info log source file display length (#5824) 2020-04-08 20:18:08 -07:00
memory C++20 compatibility (#6697) 2020-04-20 13:24:25 -07:00
memtable Fix more defects reported by Coverity Scan (#6935) 2020-06-04 15:35:08 -07:00
monitoring Replace reinterpret_cast with static_cast_with_check (#7067) 2020-07-02 19:25:41 -07:00
options Test CircleCI with CLANG-10 (#7025) 2020-06-24 16:22:49 -07:00
port build fixes for GNU/kFreeBSD (#6992) 2020-06-18 09:51:28 -07:00
table Un-revert #7049, revert #7022 (#7071) 2020-07-02 13:30:41 -07:00
test_util Remove racially charged terms "whitelist" and "blacklist" (#7008) 2020-06-19 15:27:32 -07:00
third-party Revert "Update googletest from 1.8.1 to 1.10.0 (#6808)" (#6923) 2020-06-03 15:55:03 -07:00
tools Replace reinterpret_cast with static_cast_with_check (#7067) 2020-07-02 19:25:41 -07:00
trace_replay Fix unity build broken by #7007 (#7024) 2020-06-24 13:40:48 -07:00
util Replace reinterpret_cast with static_cast_with_check (#7067) 2020-07-02 19:25:41 -07:00
utilities Fix flakiness of BackupableDBTest.TableFileCorruptedBeforeBackup (#7082) 2020-07-03 15:40:04 -07:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.gitignore Allow missing "unversioned" python, as in CentOS 8 (#6883) 2020-05-29 11:29:23 -07:00
.lgtm.yml Create lgtm.yml for LGTM.com C/C++ analysis (#4058) 2018-06-26 12:43:04 -07:00
.travis.yml More Makefile clean-up (#7066) 2020-07-06 11:19:48 -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 freebsd: malloc_usable_size check malloc_np.h (#7009) 2020-06-25 17:30:27 -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 BackupEngine verifies table file checksums on creating new backups (#7015) 2020-07-02 18:15:12 -07:00
INSTALL.md Update the version of the dependencies used by the RocksJava static build (#4761) 2018-12-18 20:25:43 -08:00
issue_template.md Add Google Group to Issue Template 2020-01-28 14:40:37 -08:00
LANGUAGE-BINDINGS.md LANGUAGE-BINDINGS.md: mention python-rocksdb 2019-03-20 11:10:48 -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 More Makefile clean-up (#7066) 2020-07-06 11:19:48 -07:00
README.md Add CircleCI gadget (#7028) 2020-06-25 10:30:33 -07:00
ROCKSDB_LITE.md Fix some typos in comments and docs. 2018-03-08 10:27:25 -08:00
src.mk Use Libraries in the RocksDB Makefile Build (#6660) 2020-06-30 19:33:31 -07:00
TARGETS Fix test in buck test (#7076) 2020-07-02 20:28:45 -07:00
thirdparty.inc Fix build jemalloc api (#5470) 2019-06-24 17:40:32 -07:00
USERS.md Add YugabyteDB to USERS (#6786) 2020-05-06 10:28:29 -07:00
Vagrantfile Adding CentOS 7 Vagrantfile & build script 2018-02-26 15:27:17 -08:00
WINDOWS_PORT.md #5145 , rename port/dirent.h to port/port_dirent.h to avoid compile err when use port dir as header dir output (#5152) 2019-04-04 11:38:19 -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/master/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.