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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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Andrew Kryczka 941543721d Bytes read stat for VerifyChecksum() and VerifyFileChecksums() APIs (#8741) 
Summary:
- Clarified some comments on compatibility for adding new ticker stats
- Added read I/O stats for `VerifyChecksum()` and `VerifyFileChecksums()` APIs

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8741

Test Plan: new unit test

Reviewed By: zhichao-cao

Differential Revision: D30708578

Pulled By: ajkr

fbshipit-source-id: d06b961f7e199ae92c266b683e39870aa8f63449
2021-09-07 13:28:29 -07:00
.circleci Update branch name to "main" in CircleCI config (#8726) 2021-09-01 12:26:42 -07:00
.github/workflows Update clang-format-diff.py path (#7944) 2021-02-09 12:49:38 -08:00
buckifier Modify script which generates TARGETS (#8366) 2021-06-04 16:28:59 -07:00
build_tools Fix a minor regression script issue (#8755) 2021-09-04 17:35:22 -07:00
cache Replace most typedef with using= (#8751) 2021-09-07 11:31:59 -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 Bytes read stat for VerifyChecksum() and VerifyFileChecksums() APIs (#8741) 2021-09-07 13:28:29 -07:00
db_stress_tool Remove some unneeded code (#8736) 2021-09-01 14:28:58 -07:00
docs Update branch name to main in docs/* (#8743) 2021-09-01 16:29:39 -07:00
env Replace most typedef with using= (#8751) 2021-09-07 11:31:59 -07:00
examples make:Fix c header prototypes (#7994) 2021-03-09 20:44:23 -08:00
file Add db_test2 to to ASSERT_STATUS_CHECKED (#8640) 2021-08-16 08:10:32 -07:00
fuzz Make EventListener into a Customizable Class (#8473) 2021-07-27 07:47:02 -07:00
hdfs fix build with 'USE_HDFS' on windows (#6950) 2020-06-12 16:21:50 -07:00
include/rocksdb Bytes read stat for VerifyChecksum() and VerifyFileChecksums() APIs (#8741) 2021-09-07 13:28:29 -07:00
java Bytes read stat for VerifyChecksum() and VerifyFileChecksums() APIs (#8741) 2021-09-07 13:28:29 -07:00
logging Do not attempt to rename non-existent info log (#8622) 2021-08-04 17:25:00 -07:00
memory Replace most typedef with using= (#8751) 2021-09-07 11:31:59 -07:00
memtable Replace most typedef with using= (#8751) 2021-09-07 11:31:59 -07:00
microbench Add micro-benchmark support (#8493) 2021-07-08 18:22:45 -07:00
monitoring Bytes read stat for VerifyChecksum() and VerifyFileChecksums() APIs (#8741) 2021-09-07 13:28:29 -07:00
options Replace most typedef with using= (#8751) 2021-09-07 11:31:59 -07:00
plugin Makefile support to statically link external plugin code (#7918) 2021-02-10 08:35:34 -08:00
port Replace most typedef with using= (#8751) 2021-09-07 11:31:59 -07:00
table Replace most typedef with using= (#8751) 2021-09-07 11:31:59 -07:00
test_util Improve support for using regexes (#8740) 2021-09-07 13:05:23 -07:00
third-party Fix a compilation error in CircleCI vs2019 CXX20 (#8090) 2021-03-23 10:28:04 -07:00
tools Fix regression test script (#8753) 2021-09-03 19:05:33 -07:00
trace_replay Replace std::shared_ptr<SystemClock> by SystemClock* in TraceExecutionHandler (#8729) 2021-08-31 11:24:27 -07:00
util Improve support for using regexes (#8740) 2021-09-07 13:05:23 -07:00
utilities Improve support for using regexes (#8740) 2021-09-07 13:05:23 -07:00
.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 Move arm build from travis to circleci (#8203) 2021-04-19 20:07:02 -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 Improve support for using regexes (#8740) 2021-09-07 13:05:23 -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 Bytes read stat for VerifyChecksum() and VerifyFileChecksums() APIs (#8741) 2021-09-07 13:28:29 -07:00
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 Refactor WriteBufferManager::CacheRep into CacheReservationManager (#8506) 2021-08-24 12:43:31 -07:00
PLUGINS.md Add ZenFS to plugin list (#8218) 2021-04-22 11:12:40 -07:00
README.md Update branch name to "main" in README/LANGUAGE_BINDINGS (#8727) 2021-09-01 15:26:34 -07:00
ROCKSDB_LITE.md Fix some typos in comments and docs. 2018-03-08 10:27:25 -08:00
src.mk Improve support for using regexes (#8740) 2021-09-07 13:05:23 -07:00
TARGETS Improve support for using regexes (#8740) 2021-09-07 13:05:23 -07:00
thirdparty.inc Fix build jemalloc api (#5470) 2019-06-24 17:40:32 -07:00
USERS.md Add Apache Doris to USERS (#7865) 2021-01-19 15:31:56 -08:00
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.

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.