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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%
Perl 1.1%
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Huisheng Liu 16d103d35b fix read_amp_bytes_per_bit field size (#7651) 
Summary:
The field in BlockBasedTableOptions is 4 bytes:
  // Default: 0 (disabled)
  uint32_t read_amp_bytes_per_bit = 0;

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7651

Reviewed By: ltamasi

Differential Revision: D24844994

Pulled By: riversand963

fbshipit-source-id: e2695e55532256ef8996dd6939cad06987a80293
2020-11-10 11:14:48 -08:00
.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 Update clang-format-diff.py (#7609) 2020-11-04 16:09:01 -08:00
buckifier Add a rocksdb lib target with link_whole=True (#7466) 2020-09-30 22:50:32 -07:00
build_tools Update clang-format-diff.py (#7609) 2020-11-04 16:09:01 -08:00
cache Remove unused includes (#7604) 2020-10-28 23:22:27 -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 Fix a bug in compaction iterator with timestamp (#7645) 2020-11-09 18:23:31 -08:00
db_stress_tool Track WAL in MANIFEST: Track deleted WALs in MANIFEST after recovering from the WALs (#7649) 2020-11-09 10:25:43 -08:00
docs Update github-pages to v207 (#7235) 2020-08-12 09:26:24 -07:00
env Fix a recovery corner case (#7621) 2020-11-07 22:23:27 -08:00
examples Bring the Configurable options together (#5753) 2020-09-14 17:01:01 -07:00
file Remove unused includes (#7604) 2020-10-28 23:22:27 -07:00
hdfs fix build with 'USE_HDFS' on windows (#6950) 2020-06-12 16:21:50 -07:00
include/rocksdb Add API to verify whole sst file checksum (#7578) 2020-11-03 20:34:56 -08:00
java Fix a recovery corner case (#7621) 2020-11-07 22:23:27 -08:00
logging Remove unused includes (#7604) 2020-10-28 23:22:27 -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 Remove unused includes (#7604) 2020-10-28 23:22:27 -07:00
options Expand effect of dictionary settings in ColumnFamilyOptions::compression_opts (#7619) 2020-11-02 19:21:11 -08:00
port Remove unused includes (#7604) 2020-10-28 23:22:27 -07:00
table fix read_amp_bytes_per_bit field size (#7651) 2020-11-10 11:14:48 -08:00
test_util Remove unused includes (#7604) 2020-10-28 23:22:27 -07:00
third-party Fix MSVC-related build issues (#7439) 2020-10-01 09:23:04 -07:00
tools Fix crash test to run in DEBUG_LEVEL=0 mode in tmpfs (#7643) 2020-11-10 10:50:34 -08:00
trace_replay Genericize and clean up FastRange (#7436) 2020-09-28 11:35:00 -07:00
util Ribbon: major re-work of hashing, seeds, and more (#7635) 2020-11-07 17:22:54 -08:00
utilities Fix a recovery corner case (#7621) 2020-11-07 22:23:27 -08:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.gitignore Ribbon: InterleavedSolutionStorage (#7598) 2020-11-03 12:46:36 -08:00
.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 Compute NeedCompact() after table builder Finish() (#7627) 2020-11-04 10:44:56 -08:00
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.