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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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leipeng 4171e3db9b CompactionJob::Install(): fix log truncation (#8563) 
Summary:
event log info may be truncated, the default buffer size is 512, this PR changes buffer size to 8192.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8563

Reviewed By: ajkr

Differential Revision: D29838229

Pulled By: jay-zhuang

fbshipit-source-id: 00c5dea3caff0641a209f02c972e92d65b505f50
2021-07-23 11:39:24 -07:00
.circleci Add missing steps for cmake build (#8524) 2021-07-15 13:37:49 -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 Add micro-benchmark support (#8493) 2021-07-08 18:22:45 -07:00
cache Fix a minor issue with initializing the test path (#8555) 2021-07-23 08:38:45 -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 CompactionJob::Install(): fix log truncation (#8563) 2021-07-23 11:39:24 -07:00
db_stress_tool Complete the fix of stress open WAL drop fix (#8570) 2021-07-21 16:08:53 -07:00
docs Bump addressable from 2.7.0 to 2.8.0 in /docs (#8515) 2021-07-12 17:06:07 -07:00
env Make EncryptionProvider and BlockCipher into Customizable objects (#8354) 2021-07-16 07:58:51 -07:00
examples make:Fix c header prototypes (#7994) 2021-03-09 20:44:23 -08:00
file Fix a minor issue with initializing the test path (#8555) 2021-07-23 08:38:45 -07:00
fuzz Replace the namespace "rocksdb" to "ROCKSDB_NAMESPACE" (#8531) 2021-07-15 17:23:39 -07:00
hdfs fix build with 'USE_HDFS' on windows (#6950) 2020-06-12 16:21:50 -07:00
include/rocksdb Checkpoint dir options fix (#8572) 2021-07-23 11:13:01 -07:00
java Don't hold DB mutex for block cache entry stat scans (#8538) 2021-07-16 14:13:08 -07:00
logging Use SystemClock* instead of std::shared_ptr<SystemClock> in lower level routines (#8033) 2021-03-15 04:34:11 -07:00
memory Use thread-safe strerror_r() to get error message (#8087) 2021-03-24 23:07:27 -07:00
memtable Move slow valgrind tests behind -DROCKSDB_FULL_VALGRIND_RUN (#8475) 2021-07-07 11:14:05 -07:00
microbench Add micro-benchmark support (#8493) 2021-07-08 18:22:45 -07:00
monitoring Fix a minor issue with initializing the test path (#8555) 2021-07-23 08:38:45 -07:00
options Avoid updating option if there's no value updated (#8518) 2021-07-21 13:45:59 -07:00
plugin Makefile support to statically link external plugin code (#7918) 2021-02-10 08:35:34 -08:00
port Standardize on GCC for TSAN conditional compilation (#8543) 2021-07-15 23:50:00 -07:00
table Fix Get() return status when block cache is disabled (#8485) 2021-07-13 18:13:24 -07:00
test_util Add CreateFrom methods to Env/FileSystem (#8174) 2021-06-15 03:43:48 -07:00
third-party Fix a compilation error in CircleCI vs2019 CXX20 (#8090) 2021-03-23 10:28:04 -07:00
tools Analyze MultiGet in trace_analyzer (#8575) 2021-07-22 16:52:20 -07:00
trace_replay Standardize on GCC for TSAN conditional compilation (#8543) 2021-07-15 23:50:00 -07:00
util Fix a minor issue with initializing the test path (#8555) 2021-07-23 08:38:45 -07:00
utilities Checkpoint dir options fix (#8572) 2021-07-23 11:13:01 -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 Add micro-benchmark support (#8493) 2021-07-08 18:22:45 -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 Return error if trying to open secondary on missing or inaccessible primary (#8200) 2021-07-22 15:48:58 -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 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 Minor Makefile update to exclude microbench as dependency (#8523) 2021-07-16 15:36:51 -07:00
PLUGINS.md Add ZenFS to plugin list (#8218) 2021-04-22 11:12:40 -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 Add micro-benchmark support (#8493) 2021-07-08 18:22:45 -07:00
TARGETS Add an internal iterator that can measure the inflow of blobs (#8443) 2021-06-23 10:25:47 -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 #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.