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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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Aaron Gao 90cfd46458 update IterKey that can get user key and internal key explicitly 
Summary:
to void future bug that caused by the mix of userkey/internalkey
Closes https://github.com/facebook/rocksdb/pull/2084

Differential Revision: D4825889

Pulled By: lightmark

fbshipit-source-id: 28411db
2017-04-04 14:24:20 -07:00
arcanist_util Fix arc setting for Facebook internal tools 2017-02-02 13:24:16 -08:00
build_tools non_shm CI should run tests on /tmp 2017-03-23 15:24:12 -07:00
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 update IterKey that can get user key and internal key explicitly 2017-04-04 14:24:20 -07:00
docs Blog post for releasing 5.2.1 2017-03-22 17:54:18 -07:00
examples Update .gitignore file in examples 2017-03-23 11:24:14 -07:00
hdfs Fix bug in UnScSigned-off-by: xh931076284 <931076284@qq.com> (#1336) 2016-09-14 10:17:34 -07:00
include/rocksdb add TimedEnv 2017-04-04 11:24:12 -07:00
java gflags has moved to GitHub 2017-03-31 10:09:21 -07:00
memtable update IterKey that can get user key and internal key explicitly 2017-04-04 14:24:20 -07:00
port Fix build with MinGW 2017-03-30 16:54:52 -07:00
table update IterKey that can get user key and internal key explicitly 2017-04-04 14:24:20 -07:00
third-party Fix build with MinGW 2017-03-30 16:54:52 -07:00
tools Move auto_roll_logger and filename out of db/ 2017-04-03 18:39:14 -07:00
util add TimedEnv 2017-04-04 11:24:12 -07:00
utilities add TimedEnv 2017-04-04 11:24:12 -07:00
.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 Move db_test and external_sst_file_test out of Travis's MAC OS run 2017-03-06 09:39:15 -08:00
appveyor.yml Separate small subset tests in DBTest 2017-02-27 12:24:11 -08:00
AUTHORS Add AUTHORS file. Fix #203 2014-09-29 10:52:18 -07:00
CMakeLists.txt add TimedEnv 2017-04-04 11:24:12 -07:00
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 Add release notes for PinnableSlice 2017-04-03 15:09:19 -07:00
INSTALL.md fixed misses on Centos library installation instructions 2017-04-03 12:09:14 -07:00
LANGUAGE-BINDINGS.md Adding Dlang to the list 2017-02-16 17:24:10 -08:00
LICENSE Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
Makefile add TimedEnv 2017-04-04 11:24:12 -07:00
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 add TimedEnv 2017-04-04 11:24:12 -07:00
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/