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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%
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Maysam Yabandeh ac2a77a746 Announce the experimetnal two-level index feature in HISTORY.md 
Summary:
Announce the experimetnal two-level index feature in HISTORY.md. Also updated the default for index_per_partition to 1024.
Closes https://github.com/facebook/rocksdb/pull/1855

Differential Revision: D4530102

Pulled By: maysamyabandeh

fbshipit-source-id: b0fc6ff
2017-02-08 14:24:10 -08:00
arcanist_util Fix arc setting for Facebook internal tools 2017-02-02 13:24:16 -08:00
build_tools Use gcc-4.9-glibc-2.20-fb python in precommit_checker 2017-02-03 13:39:18 -08:00
cmake/modules cmake support for linux and osx (#1358) 2016-09-28 11:53:15 -07:00
coverage Fix coverage script 2014-11-03 14:53:00 -08:00
db Print the missed last layer in cfstats 2017-02-08 10:39:15 -08:00
docs Blog post for 5.1.2 release 2017-02-08 08:54:20 -08:00
examples examples: Add options_file_example to target all 2016-12-28 19:09:16 -08:00
hdfs Fix bug in UnScSigned-off-by: xh931076284 <931076284@qq.com> (#1336) 2016-09-14 10:17:34 -07:00
include/rocksdb Announce the experimetnal two-level index feature in HISTORY.md 2017-02-08 14:24:10 -08:00
java Two-level Indexes 2017-02-06 16:39:12 -08:00
memtable Unified InlineSkipList::Insert algorithm with hinting 2016-11-22 14:09:13 -08:00
port Windows thread 2017-02-06 14:54:18 -08:00
table Two-level Indexes 2017-02-06 16:39:12 -08:00
third-party Kill flashcache code in RocksDB 2016-12-01 10:09:22 -08:00
tools Clarify ldb column family argument 2017-02-07 11:54:10 -08:00
util [rocksdb][PR] compaction_style and compaction_pri should output their value as a st… 2017-02-07 10:39:12 -08:00
utilities Windows thread 2017-02-06 14:54:18 -08:00
.arcconfig Make rocksdb work with internal repo 2016-10-28 14:59:50 -07:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.gitignore Less linear search in DBIter::Seek() when keys are overwritten a lot 2016-11-28 10:24:11 -08:00
.travis.yml Split travis jobs 2017-01-19 13:39:12 -08:00
appveyor.yml Enable DBTest.GroupCommit as it runs in a reasonlable time now. 2017-01-18 14:24:11 -08:00
AUTHORS Add AUTHORS file. Fix #203 2014-09-29 10:52:18 -07:00
CMakeLists.txt Windows thread 2017-02-06 14:54:18 -08:00
CONTRIBUTING.md facebook accounts are not required for CLA signers 2014-07-08 05:57:54 -04:00
DEFAULT_OPTIONS_HISTORY.md Change the default of delayed slowdown value to 16MB/s 2017-02-01 20:39:17 -08:00
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md Announce the experimetnal two-level index feature in HISTORY.md 2017-02-08 14:24:10 -08:00
INSTALL.md Update documentation to point at gcc 4.8 2016-10-29 12:09:17 -07:00
LANGUAGE-BINDINGS.md Update LANGUAGE-BINDINGS.md 2016-07-15 13:09:30 +02:00
LICENSE Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
Makefile Generalize Env registration framework 2017-01-25 16:09:14 -08:00
PATENTS Update Patent Grant. 2015-04-13 10:33:43 +01:00
README.md Appveyor badge to show master branch 2016-07-26 13:54:08 -07:00
ROCKSDB_LITE.md Optimistic Transactions 2015-05-29 14:36:35 -07:00
src.mk Rename merger.h -> merging_iterator.h 2017-02-02 16:54:19 -08:00
thirdparty.inc Introduce XPRESS compresssion on Windows. (#1081) 2016-04-19 22:54:24 -07:00
USERS.md Update USERS.md add user Pika 2017-01-25 10:39:17 -08:00
Vagrantfile Update Vagrant file (test internal phabricator workflow) 2016-10-28 15:39:19 -07:00
WINDOWS_PORT.md Commit both PR and internal code review changes 2015-07-07 16:58:20 -07:00

README.md

RocksDB: A Persistent Key-Value Store for Flash and RAM Storage

Build Status Build status

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 specially 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/