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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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Leonidas Galanis e126e0da5b Single threaded tests -> sync=0 Multi threaded tests -> sync=1 by default unless DB_BENCH_NO_SYNC is defined 
Summary:
Single threaded tests -> sync=0 Multi threaded tests -> sync=1 by default unless DB_BENCH_NO_SYNC is defined.

Also added updaterandom and mergerandom with putOperator. I am waiting for some results from udb on this.

Test Plan:
DB_BENCH_NO_SYNC=1 WAL_DIR=/tmp OUTPUT_DIR=/tmp/b DB_DIR=/tmp ./tools/benchmark.sh debug,bulkload,fillseq,overwrite,filluniquerandom,readrandom,readwhilewriting,updaterandom,mergerandom

WAL_DIR=/tmp OUTPUT_DIR=/tmp/b DB_DIR=/tmp ./tools/benchmark.sh debug,bulkload,fillseq,overwrite,filluniquerandom,readrandom,readwhilewriting,updaterandom,mergerandom

Verify sync settings

Reviewers: sdong, MarkCallaghan, igor, rven

Reviewed By: igor, rven

Subscribers: dhruba

Differential Revision: https://reviews.facebook.net/D34185
2015-03-06 14:12:53 -08:00
build_tools build: fix missing dependency problems 2015-03-06 10:55:11 -08:00
coverage Fix coverage script 2014-11-03 14:53:00 -08:00
db Add --thread_status_per_interval to db_bench 2015-03-06 11:22:06 -08:00
doc Remove seek compaction 2014-06-20 10:23:02 +02:00
examples Fix formatting 2015-02-09 09:53:30 -08:00
hdfs rocksdb: Add missing override 2015-02-26 11:28:41 -08:00
include Add --thread_status_per_interval to db_bench 2015-03-06 11:22:06 -08:00
java [RocksJava] RocksJava Testcases 2015-02-26 22:35:26 +01:00
linters Return fbson 2015-02-27 00:04:14 +03:00
port RocksDB on FreeBSD support 2015-02-26 15:19:17 -08:00
table Add functionality to pre-fetch blocks specified by a key range to BlockBasedTable implementation. 2015-03-02 17:07:03 -08:00
third-party/fbson Fix a segfault in fbson under Mac OS X compiler 2015-03-06 10:12:50 -08:00
tools Single threaded tests -> sync=0 Multi threaded tests -> sync=1 by default unless DB_BENCH_NO_SYNC is defined 2015-03-06 14:12:53 -08:00
util Add --thread_status_per_interval to db_bench 2015-03-06 11:22:06 -08:00
utilities Fix compile 2015-02-27 14:21:16 -08:00
.arcconfig build: abbreviate AR command, too 2015-02-19 11:48:09 -08:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.gitignore rocksdb: changes to support 'make analyze' in Jenkins 2015-02-23 17:45:25 -08:00
.travis.yml Upgrade compiler in Travis 2015-02-24 17:19:58 -08:00
AUTHORS Add AUTHORS file. Fix #203 2014-09-29 10:52:18 -07:00
CONTRIBUTING.md facebook accounts are not required for CLA signers 2014-07-08 05:57:54 -04:00
HISTORY.md options.level_compaction_dynamic_level_bytes to allow RocksDB to pick size bases of levels dynamically. 2015-03-02 22:40:41 -08:00
INSTALL.md Optimize default compile to compilation platform by default 2014-12-15 11:29:41 +01:00
LICENSE Fix copyright year 2014-03-12 12:06:58 -07:00
Makefile build: fix missing dependency problems 2015-03-06 10:55:11 -08:00
PATENTS Fix the patent format 2013-10-16 15:37:32 -07:00
README.md Replaced "built on on earlier work" by "built on earlier work" in README.md 2014-09-17 01:16:17 -07:00
ROCKSDB_LITE.md RocksDBLite 2014-04-15 13:39:26 -07:00
src.mk fix-up patch: avoid new link error 2015-03-06 11:15:18 -08:00
Vagrantfile RocksDB on FreeBSD support 2015-02-26 15:19:17 -08:00

README.md

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

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/