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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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Joel Marcey e14fbaae26 Add FAQ based on the front page of the current rocksdb.org 
Summary:
This takes the questions currently on the front of the Wordpress-based rocksdb.org and starts an official FAQ with them.

Depends on: https://reviews.facebook.net/D63105

Test Plan: Visual

Reviewers: IslamAbdelRahman, lgalanis

Reviewed By: lgalanis

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D63123
2016-09-01 17:34:39 -07:00
arcanist_util cat tests logs sorted by exit code 2016-08-25 12:53:26 -07:00
build_tools Update and slightly clarify instructions in build_detect_platform (#1301) 2016-08-25 10:40:38 -07:00
coverage Fix coverage script 2014-11-03 14:53:00 -08:00
db Merge options source_compaction_factor, max_grandparent_overlap_bytes and expanded_compaction_factor into max_compaction_bytes 2016-09-01 14:33:24 -07:00
docs Add FAQ based on the front page of the current rocksdb.org 2016-09-01 17:34:39 -07:00
examples Introduce FullMergeV2 (eliminate memcpy from merge operators) 2016-07-20 09:49:03 -07:00
hdfs using java7 in runtime for hdfs env (#1072) 2016-04-12 00:08:26 -04:00
include/rocksdb Merge options source_compaction_factor, max_grandparent_overlap_bytes and expanded_compaction_factor into max_compaction_bytes 2016-09-01 14:33:24 -07:00
java Merge options source_compaction_factor, max_grandparent_overlap_bytes and expanded_compaction_factor into max_compaction_bytes 2016-09-01 14:33:24 -07:00
memtable Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
port Expose ThreadPool under include/rocksdb/threadpool.h 2016-08-26 10:41:35 -07:00
table add stats to Cache::LookUp() 2016-09-01 13:50:39 -07:00
third-party Fix clang analyzer errors 2016-07-08 17:50:51 -07:00
tools Merge options source_compaction_factor, max_grandparent_overlap_bytes and expanded_compaction_factor into max_compaction_bytes 2016-09-01 14:33:24 -07:00
util Merge options source_compaction_factor, max_grandparent_overlap_bytes and expanded_compaction_factor into max_compaction_bytes 2016-09-01 14:33:24 -07:00
utilities Merge options source_compaction_factor, max_grandparent_overlap_bytes and expanded_compaction_factor into max_compaction_bytes 2016-09-01 14:33:24 -07:00
.arcconfig Integrate Jenkins with Phabricator 2015-04-07 11:56:29 -07:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.gitignore Experiments on column-aware encodings 2016-08-01 14:50:19 -07:00
.travis.yml Fix travis 2016-08-31 00:10:49 -07:00
appveyor.yml fix vs generator (#1269) 2016-08-10 09:08:13 -07:00
AUTHORS Add AUTHORS file. Fix #203 2014-09-29 10:52:18 -07:00
CMakeLists.txt Expose ThreadPool under include/rocksdb/threadpool.h 2016-08-26 10:41:35 -07:00
CONTRIBUTING.md facebook accounts are not required for CLA signers 2014-07-08 05:57:54 -04:00
DEFAULT_OPTIONS_HISTORY.md Release RocksDB 4.8.0 2016-05-02 14:38:04 -07:00
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md Merge options source_compaction_factor, max_grandparent_overlap_bytes and expanded_compaction_factor into max_compaction_bytes 2016-09-01 14:33:24 -07:00
INSTALL.md Simple changes to support builds for ppc64[le] consistent with X86 2016-01-19 09:08:19 -06:00
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 Update the download location of Snappy (#1304) 2016-08-28 20:24:08 -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 Expose ThreadPool under include/rocksdb/threadpool.h 2016-08-26 10:41:35 -07:00
thirdparty.inc Introduce XPRESS compresssion on Windows. (#1081) 2016-04-19 22:54:24 -07:00
USERS.md Update USER.md to include more services at Facebook. 2016-07-06 14:27:08 -07:00
Vagrantfile RocksDB on FreeBSD support 2015-02-26 15:19:17 -08:00
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/