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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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Zhichao Cao a607f3efaa Fix unused variable failure (#7004) 
Summary:
pass make check, run db_stress
Pull Request resolved: https://github.com/facebook/rocksdb/pull/7004

Reviewed By: ajkr

Differential Revision: D22132617

Pulled By: zhichao-cao

fbshipit-source-id: d65397967e213206ec5efcb767bbdda8a575662a
2020-06-18 22:06:51 -07:00
.circleci Circle CI's clang build to really use clang (#6965) 2020-06-12 15:50:34 -07:00
.github/workflows Clean up some code related to file checksums (#6861) 2020-05-21 08:12:51 -07:00
buckifier Directly use unit test tempalte buck (#6926) 2020-06-05 12:16:33 -07:00
build_tools build fixes for GNU/kFreeBSD (#6992) 2020-06-18 09:51:28 -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 Fix a bug that causes iterator to return wrong result in a rare data race (#6973) 2020-06-18 10:16:38 -07:00
db_stress_tool Fix unused variable failure (#7004) 2020-06-18 22:06:51 -07:00
docs Log warning for high bits/key in legacy Bloom filter (#6312) 2020-01-17 19:37:35 -08:00
env build fixes for GNU/kFreeBSD (#6992) 2020-06-18 09:51:28 -07:00
examples add WITH_EXAMPLES options to cmake and cleanups. (#6580) 2020-06-18 18:00:04 -07:00
file Ingest SST files with checksum information (#6891) 2020-06-11 14:27:36 -07:00
hdfs fix build with 'USE_HDFS' on windows (#6950) 2020-06-12 16:21:50 -07:00
include/rocksdb Store DB identity and DB session ID in SST files (#6983) 2020-06-17 10:57:40 -07:00
java Add logs and stats in DeleteScheduler (#6927) 2020-06-05 09:43:04 -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 Add logs and stats in DeleteScheduler (#6927) 2020-06-05 09:43:04 -07:00
options make L0 index/filter pinned memory usage predictable (#6911) 2020-06-09 16:51:23 -07:00
port build fixes for GNU/kFreeBSD (#6992) 2020-06-18 09:51:28 -07:00
table Fix the bug that compressed cache is disabled in read-only DBs (#6990) 2020-06-17 14:30:54 -07:00
test_util Check iterator status BlockBasedTableReader::VerifyChecksumInBlocks() (#6909) 2020-06-05 11:08:25 -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 add CompactionFilter to stress/crash tests (#6988) 2020-06-18 09:54:55 -07:00
trace_replay Add IOTracer reader, writer classes for reading/writing IO operations in a binary file (#6958) 2020-06-18 10:46:11 -07:00
util Make it able to lower cpu priority to specific level in threadpool (#6969) 2020-06-13 13:25:20 -07:00
utilities Fix persistent cache on windows (#6932) 2020-06-13 13:28:31 -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 Make sure core components not depend on gtest (#6921) 2020-06-03 18:22:14 -07:00
.watchmanconfig Added .watchmanconfig file to rocksdb repo (#5593) 2019-07-19 15:00:33 -07:00
appveyor.yml Reduce test coverage in older VS versions (#6966) 2020-06-12 17:05:47 -07:00
AUTHORS Update RocksDB Authors File 2017-10-18 14:42:10 -07:00
CMakeLists.txt add WITH_EXAMPLES options to cmake and cleanups. (#6580) 2020-06-18 18:00:04 -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 Fix a bug that causes iterator to return wrong result in a rare data race (#6973) 2020-06-18 10:16:38 -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 Add IOTracer reader, writer classes for reading/writing IO operations in a binary file (#6958) 2020-06-18 10:46:11 -07:00
README.md Add Slack forum to README (#6773) 2020-04-30 11:00:28 -07:00
ROCKSDB_LITE.md Fix some typos in comments and docs. 2018-03-08 10:27:25 -08:00
src.mk Add IOTracer reader, writer classes for reading/writing IO operations in a binary file (#6958) 2020-06-18 10:46:11 -07:00
TARGETS Add IOTracer reader, writer classes for reading/writing IO operations in a binary file (#6958) 2020-06-18 10:46:11 -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

Linux/Mac Build Status Windows Build status PPC64le Build Status

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.