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A library that provides an embeddable, persistent key-value store for fast storage.
10,760 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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Jay Zhuang 2fbc672732 Add temperature information to the event listener callbacks (#9591) 
Summary:
RocksDB try to provide temperature information in the event
listener callbacks. The information is not guaranteed, as some operation
like backup won't have these information.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9591

Test Plan: Added unittest

Reviewed By: siying, pdillinger

Differential Revision: D34309339

Pulled By: jay-zhuang

fbshipit-source-id: 4aca4f270f99fa49186d85d300da42594663d6d7
2022-02-18 11:23:18 -08:00
.circleci Remove cat_ignore_eagain (#9531) 2022-02-08 17:51:59 -08:00
.github/workflows Add (& fix) some simple source code checks (#8821) 2021-09-07 21:19:27 -07:00
buckifier Use -Wno-invalid-offsetof instead of dangerous offset_of hack (#9563) 2022-02-15 09:19:19 -08:00
build_tools Update build files for java8 build (#9541) 2022-02-17 13:29:21 -08:00
cache Change type of cache buffer passed to Cache::CreateCallback() to const void* (#9595) 2022-02-17 21:09:56 -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 temperature information to the event listener callbacks (#9591) 2022-02-18 11:23:18 -08:00
db_stress_tool Add rate limiter priority to ReadOptions (#9424) 2022-02-16 23:18:14 -08:00
docs New blog post for Ribbon filter (#8992) 2021-12-28 21:54:39 -08:00
env Return different Status based on ObjectRegistry::NewObject calls (#9333) 2022-02-11 05:11:24 -08:00
examples Require C++17 (#9481) 2022-02-04 17:13:10 -08:00
file Add temperature information to the event listener callbacks (#9591) 2022-02-18 11:23:18 -08:00
fuzz Fix compilation errors and add fuzzers to CircleCI (#9420) 2022-02-01 10:32:15 -08:00
include/rocksdb Add temperature information to the event listener callbacks (#9591) 2022-02-18 11:23:18 -08:00
java Plugin java jni support (#9575) 2022-02-17 19:39:23 -08:00
logging Use system-wide thread ID in info log lines (#9164) 2021-11-12 19:46:06 -08:00
memory Return different Status based on ObjectRegistry::NewObject calls (#9333) 2022-02-11 05:11:24 -08:00
memtable Remove using namespace (#9369) 2022-01-12 09:31:12 -08:00
microbench Refactor FilterPolicies toward Customizable (#9567) 2022-02-16 08:30:03 -08:00
monitoring Restore Regex support for ObjectLibrary::Register, rename new APIs to allow old one to be deprecated in the future (#9362) 2022-01-11 06:33:48 -08:00
options Refactor FilterPolicies toward Customizable (#9567) 2022-02-16 08:30:03 -08:00
plugin Add initial CMake support to plugin (#9214) 2021-11-30 17:16:53 -08:00
port Require C++17 (#9481) 2022-02-04 17:13:10 -08:00
table Change type of cache buffer passed to Cache::CreateCallback() to const void* (#9595) 2022-02-17 21:09:56 -08:00
test_util Use the comparator from the sst file table properties in sst_dump_tool (#9491) 2022-02-08 12:15:35 -08:00
third-party Work around some new clang-analyze failures (#9515) 2022-02-07 18:24:36 -08:00
tools Add record to set WAL compression type if enabled (#9556) 2022-02-17 16:19:31 -08:00
trace_replay Added TraceOptions::preserve_write_order (#9334) 2021-12-28 15:04:26 -08:00
util Add record to set WAL compression type if enabled (#9556) 2022-02-17 16:19:31 -08:00
utilities Add rate limiter priority to ReadOptions (#9424) 2022-02-16 23:18:14 -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 Temporary disable Travis s390x Makefile build (#9512) 2022-02-07 09:47:00 -08:00
.watchmanconfig Added .watchmanconfig file to rocksdb repo (#5593) 2019-07-19 15:00:33 -07:00
AUTHORS Update RocksDB Authors File 2017-10-18 14:42:10 -07:00
CMakeLists.txt Add subcompaction event API (#9311) 2022-02-17 15:47:10 -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 Add Options::DisableExtraChecks, clarify force_consistency_checks (#9363) 2022-01-18 17:31:03 -08:00
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 temperature information to the event listener callbacks (#9591) 2022-02-18 11:23:18 -08:00
INSTALL.md Clarify Google benchmark < 1.6.0 in INSTALL.md (#9505) 2022-02-07 10:00:46 -08:00
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 Plugin java jni support (#9575) 2022-02-17 19:39:23 -08:00
PLUGINS.md Move RADOS support to separate repo (#9206) 2022-01-24 22:50:07 -08:00
README.md README: De-list slack channel, list Google group (#9387) 2022-01-18 08:19:48 -08:00
ROCKSDB_LITE.md Fix some typos in comments and docs. 2018-03-08 10:27:25 -08:00
src.mk Add rate limiter priority to ReadOptions (#9424) 2022-02-16 23:18:14 -08:00
TARGETS Add rate limiter priority to ReadOptions (#9424) 2022-02-16 23:18:14 -08:00
thirdparty.inc Fix build jemalloc api (#5470) 2019-06-24 17:40:32 -07:00
USERS.md Add Solana's RocksDB use case in USERS.md (#9558) 2022-02-16 09:23:01 -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.

Questions and discussions are welcome on the RocksDB Developers Public Facebook group and email list on Google Groups.

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.