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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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jsteemann 2404f8b9ec slightly improve jemalloc allocator API header (#7592) 
Summary:
Fix a few typos and avoid a potential nullptr dereference.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7592

Reviewed By: zhichao-cao

Differential Revision: D24582111

Pulled By: riversand963

fbshipit-source-id: 51e9260e8cad1fcdedd310c889f0faeec6efd937
2020-10-28 13:47:12 -07:00
.circleci Fix many tests to run with MEM_ENV and ENCRYPTED_ENV; Introduce a MemoryFileSystem class (#7566) 2020-10-27 10:33:09 -07:00
.github/workflows Clean up some code related to file checksums (#6861) 2020-05-21 08:12:51 -07:00
buckifier Add a rocksdb lib target with link_whole=True (#7466) 2020-09-30 22:50:32 -07:00
build_tools Give instructions instead of broken 2to3 for clang-format-diff.py (#7603) 2020-10-27 11:58:17 -07:00
cache Introduce BlobFileCache and add support for blob files to Get() (#7540) 2020-10-15 13:04:47 -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 Remove duplicate close (#7594) 2020-10-28 10:48:53 -07:00
db_stress_tool db_stress prints key in Hex (#7533) 2020-10-13 12:38:59 -07:00
docs Update github-pages to v207 (#7235) 2020-08-12 09:26:24 -07:00
env Require only one Logger::Logv() implementation (#7605) 2020-10-28 10:00:51 -07:00
examples Bring the Configurable options together (#5753) 2020-09-14 17:01:01 -07:00
file Fix many tests to run with MEM_ENV and ENCRYPTED_ENV; Introduce a MemoryFileSystem class (#7566) 2020-10-27 10:33:09 -07:00
hdfs fix build with 'USE_HDFS' on windows (#6950) 2020-06-12 16:21:50 -07:00
include/rocksdb slightly improve jemalloc allocator API header (#7592) 2020-10-28 13:47:12 -07:00
java In ParseInternalKey(), include corrupt key info in Status (#7515) 2020-10-28 10:12:58 -07:00
logging Add more tests to ASSERT_STATUS_CHECKED (#7367) 2020-09-16 15:48:07 -07:00
memory slightly improve jemalloc allocator API header (#7592) 2020-10-28 13:47:12 -07:00
memtable Test for LoadLatestOptions (#7554) 2020-10-14 22:28:55 -07:00
monitoring Fix many tests to run with MEM_ENV and ENCRYPTED_ENV; Introduce a MemoryFileSystem class (#7566) 2020-10-27 10:33:09 -07:00
options Revert Statuses returned from pre-Configurable options functions (#7563) 2020-10-20 11:53:28 -07:00
port Fix MSVC-related build issues (#7439) 2020-10-01 09:23:04 -07:00
table In ParseInternalKey(), include corrupt key info in Status (#7515) 2020-10-28 10:12:58 -07:00
test_util Fix many tests to run with MEM_ENV and ENCRYPTED_ENV; Introduce a MemoryFileSystem class (#7566) 2020-10-27 10:33:09 -07:00
third-party Fix MSVC-related build issues (#7439) 2020-10-01 09:23:04 -07:00
tools In ParseInternalKey(), include corrupt key info in Status (#7515) 2020-10-28 10:12:58 -07:00
trace_replay Genericize and clean up FastRange (#7436) 2020-09-28 11:35:00 -07:00
util Fix many tests to run with MEM_ENV and ENCRYPTED_ENV; Introduce a MemoryFileSystem class (#7566) 2020-10-27 10:33:09 -07:00
utilities In ParseInternalKey(), include corrupt key info in Status (#7515) 2020-10-28 10:12:58 -07:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.gitignore Re-add extra compiler flags when building unittests (#7437) 2020-09-25 16:44:43 -07:00
.lgtm.yml Create lgtm.yml for LGTM.com C/C++ analysis (#4058) 2018-06-26 12:43:04 -07:00
.travis.yml Update Travis config for broken snapd on ppc (#7381) 2020-09-14 14:23:13 -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 Ribbon: initial (general) algorithms and basic unit test (#7491) 2020-10-25 20:44:49 -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 Perform post-flush updates of memtable list in a callback (#6069) 2020-10-26 18:23:01 -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 Add RestoreDBFromLatestBackup to C API, add new C# package (#7092) 2020-07-08 11:56:41 -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 Ribbon: initial (general) algorithms and basic unit test (#7491) 2020-10-25 20:44:49 -07:00
README.md Fix the CI badge for ppc64le Jenkins (#7561) 2020-10-16 09:00:56 -07:00
ROCKSDB_LITE.md Fix some typos in comments and docs. 2018-03-08 10:27:25 -08:00
src.mk Ribbon: initial (general) algorithms and basic unit test (#7491) 2020-10-25 20:44:49 -07:00
TARGETS Ribbon: initial (general) algorithms and basic unit test (#7491) 2020-10-25 20:44:49 -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.