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A library that provides an embeddable, persistent key-value store for fast storage.
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Java 10.3%
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Andrew Kryczka f246e56d0a Fix a few documentation errors including in public APIs (#9789) 
Summary:
The internal WriteBatch doc wrongly indicated which optypes are followed by varstring. Updated some optypes according to the following code: 76383bea5d/db/write_batch.cc (L418-L429)

The `Iterator::Refresh()` + `DeleteRange()` bug was fixed in https://github.com/facebook/rocksdb/issues/9258; removed the warnings.

`GetMergeOperands()` does populate `*number_of_operands` including upon successful return: 76383bea5d/db/db_impl/db_impl.cc (L1917-L1919)

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9789

Reviewed By: riversand963

Differential Revision: D35303421

Pulled By: ajkr

fbshipit-source-id: 9b0e1be5f6b2e2b31461e6c33ecb5f5381824452
2022-04-01 10:30:17 -07:00
.circleci Upgrade gbenchmark to 1.6.1 (#9775) 2022-03-30 10:09:49 -07:00
.github/workflows Use released clang-format instead of the one from dev branch (#9646) 2022-03-01 10:51:38 -08:00
buckifier Remove DBGet P95/P99 benchmark metrics (#9742) 2022-03-24 10:08:35 -07:00
build_tools Update internal benchmark version (#9787) 2022-04-01 10:29:09 -07:00
cache Update Cache::Release param from force_erase to erase_if_last_ref (#9728) 2022-03-22 10:22:18 -07:00
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 Fix a few documentation errors including in public APIs (#9789) 2022-04-01 10:30:17 -07:00
db_stress_tool Add 'adaptive_readahead' and 'async_io' options to db_stress (#9750) 2022-03-30 13:52:37 -07:00
docs Update Githubpages version (#9670) 2022-03-07 14:48:06 -08:00
env Fix a bug in PosixClock (#9695) 2022-03-21 16:11:02 -07:00
examples Remove BlockBasedTableOptions.hash_index_allow_collision (#9454) 2022-03-01 13:58:02 -08:00
file fixing issue #8345 RocksDB does not work when using UNC network paths (#9384) 2022-03-30 15:55:31 -07:00
fuzz Fix compilation errors and add fuzzers to CircleCI (#9420) 2022-02-01 10:32:15 -08:00
include/rocksdb Fix a few documentation errors including in public APIs (#9789) 2022-04-01 10:30:17 -07:00
java Fb 9718 verify checksums is ignored (#9767) 2022-03-29 11:54:54 -07:00
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 Add microbench document (#9781) 2022-03-31 17:17:44 -07:00
monitoring Fb 9718 verify checksums is ignored (#9767) 2022-03-29 11:54:54 -07:00
options Document SetOptions API (#9778) 2022-03-30 14:51:12 -07:00
plugin Add initial CMake support to plugin (#9214) 2021-11-30 17:16:53 -08:00
port #include <winioctl.h> as MSDN prescribes (#9612) 2022-03-13 17:01:21 -07:00
table Fb 9718 verify checksums is ignored (#9767) 2022-03-29 11:54:54 -07:00
test_util Remove BlockBasedTableOptions.hash_index_allow_collision (#9454) 2022-03-01 13:58:02 -08:00
third-party Work around some new clang-analyze failures (#9515) 2022-02-07 18:24:36 -08:00
tools Add benchmark for GetMergeOperands() (#9785) 2022-03-31 21:23:58 -07:00
trace_replay Added TraceOptions::preserve_write_order (#9334) 2021-12-28 15:04:26 -08:00
util Add manifest fix-up utility for file temperatures (#9683) 2022-03-18 16:35:51 -07:00
utilities Fix FileStorageInfo fields from GetLiveFilesMetaData (#9769) 2022-03-29 14:36:35 -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 Reenable s390x platform_dependent travis job (#9631) 2022-03-01 13:50:41 -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 Update the version of Visual Studio required (#9765) 2022-03-29 13:23:31 -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
crash_test.mk Add new determinators for multiops transactions stress test (#9708) 2022-03-23 22:29:50 -07:00
DEFAULT_OPTIONS_HISTORY.md Add Options::DisableExtraChecks, clarify force_consistency_checks (#9363) 2022-01-18 17:31:03 -08:00
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md Encode min_log_number_to_keep and delete_wals_before in one version edit (#9766) 2022-03-31 20:00:52 -07:00
INSTALL.md Add microbench document (#9781) 2022-03-31 17:17:44 -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 Fix broken zlib dependency, update it from 1.2.11 to 1.2.12 (#9764) 2022-03-29 13:35:09 -07:00
PLUGINS.md Move RADOS support to separate repo (#9206) 2022-01-24 22:50:07 -08:00
python.mk crash_test Makefile refactoring, add to CircleCI (#9702) 2022-03-16 15:58:06 -07:00
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 Support user-defined timestamps in write-committed txns (#9629) 2022-03-08 16:20:59 -08:00
TARGETS Remove DBGet P95/P99 benchmark metrics (#9742) 2022-03-24 10:08:35 -07:00
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.