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A library that provides an embeddable, persistent key-value store for fast storage.
10,615 Commits 152 Branches 236 Tags 271 MiB
C++ 82.1%
Java 10.3%
C 2.5%
Python 1.7%
Perl 1.1%
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f62efb9d35
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Hui Xiao f62efb9d35 Clarify Options::rate_limiter api (#9361) 
Summary:
Context/Summary:
I believe we also rate-limit read rate using the rate limiter passed into db options, e.g, https://github.com/facebook/rocksdb/blob/6.27.fb/file/random_access_file_reader.cc#L159

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9361

Test Plan: Existing tests

Reviewed By: jay-zhuang

Differential Revision: D33420803

Pulled By: hx235

fbshipit-source-id: 0ef3c4d0aaacb9bee9a5d2caceddfc76588c8949
2022-01-06 10:13:53 -08:00
.circleci Fix some CI output (#9193) 2021-11-20 10:21:58 -08:00
.github/workflows Add (& fix) some simple source code checks (#8821) 2021-09-07 21:19:27 -07:00
buckifier Update TARGETS and related scripts (#9310) 2021-12-17 11:51:51 -08:00
build_tools Enable core dumps in ASAN crash tests (#9330) 2021-12-22 10:14:16 -08:00
cache Fix unity build with SUPPORT_CLOCK_CACHE (#9309) 2021-12-17 14:15:07 -08:00
cmake gcc-11 and cmake related cleanup (#9286) 2021-12-17 17:04:35 -08:00
coverage Remove asan_symbolize.py for internal asan build (#8737) 2021-09-07 15:39:11 -07:00
db Add checking for DB::DestroyColumnFamilyHandle() (#9347) 2022-01-05 20:26:53 -08:00
db_stress_tool Test correctness with WAL disabled in non-txn blackbox crash tests (#9338) 2022-01-05 16:23:37 -08:00
docs New blog post for Ribbon filter (#8992) 2021-12-28 21:54:39 -08:00
env Make the Env class Customizable (#9293) 2022-01-04 16:45:49 -08:00
examples Add (& fix) some simple source code checks (#8821) 2021-09-07 21:19:27 -07:00
file Fix a bug causing duplicate trailing entries in WritableFile (buffered IO) (#9236) 2021-12-13 09:00:36 -08:00
fuzz Make EventListener into a Customizable Class (#8473) 2021-07-27 07:47:02 -07:00
hdfs Make the Env class Customizable (#9293) 2022-01-04 16:45:49 -08:00
include/rocksdb Clarify Options::rate_limiter api (#9361) 2022-01-06 10:13:53 -08:00
java Recover to exact latest seqno of data committed to MANIFEST (#9305) 2022-01-05 16:02:21 -08:00
logging Use system-wide thread ID in info log lines (#9164) 2021-11-12 19:46:06 -08:00
memory Change GTEST_SKIP to BYPASS for MemoryAllocatorTest (#9340) 2021-12-29 03:41:39 -08:00
memtable Minor improvement to CacheReservationManager/WriteBufferManager/CompressionDictBuilding (#9139) 2021-11-05 16:13:47 -07:00
microbench Skip directory fsync for filesystem btrfs (#8903) 2021-11-03 12:21:27 -07:00
monitoring Add tiered storage related read bytes stats to Statistic (#9123) 2021-11-16 15:17:17 -08:00
options Make the Env class Customizable (#9293) 2022-01-04 16:45:49 -08:00
plugin Add initial CMake support to plugin (#9214) 2021-11-30 17:16:53 -08:00
port Make the Env class Customizable (#9293) 2022-01-04 16:45:49 -08:00
table Always check previous conditionally unchecked status due to shortcut evaluation in BlockBasedTableBuilder::WriteIndexBlock (#9349) 2022-01-06 10:10:44 -08:00
test_util Make the Env class Customizable (#9293) 2022-01-04 16:45:49 -08:00
third-party Add support for building on s390x platform (#8962) 2021-10-22 10:13:15 -07:00
tools Test correctness with WAL disabled in non-txn blackbox crash tests (#9338) 2022-01-05 16:23:37 -08:00
trace_replay Added TraceOptions::preserve_write_order (#9334) 2021-12-28 15:04:26 -08:00
util Remove/Reduce use of Regex in ObjectRegistry/Library (#9264) 2021-12-29 07:56:23 -08:00
utilities Make the Env class Customizable (#9293) 2022-01-04 16:45:49 -08:00
.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 Re-enable 390x+cmake* Travis jobs (#9110) 2021-11-03 20:30:15 -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 gcc-11 and cmake related cleanup (#9286) 2021-12-17 17:04:35 -08:00
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 Add checking for DB::DestroyColumnFamilyHandle() (#9347) 2022-01-05 20:26:53 -08:00
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 Fixes for building RocksJava builds on s390x (#9321) 2021-12-22 12:57:50 -08:00
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 Make MemoryAllocator into a Customizable class (#8980) 2021-12-17 04:20:47 -08:00
TARGETS Update TARGETS and related scripts (#9310) 2021-12-17 11:51:51 -08:00
thirdparty.inc Fix build jemalloc api (#5470) 2019-06-24 17:40:32 -07:00
USERS.md Update USERS.md (#8923) 2021-10-01 16:10:35 -07:00
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.