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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%
Perl 1.1%
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sdong ef204df7ef Compaction always needs to be removed from level0_compactions_in_progress_ for universal compaction 
Summary: We always put compaction to level0_compactions_in_progress_ for universal compaction, so we should also remove it. The bug causes assert failure when running manual compaction.

Test Plan:
TEST_TMPDIR=/dev/shm/ ./db_bench --benchmarks=fillrandom,compact --subcompactions=16 --compaction_style=1
always fails on my host. After the fix, it doesn't fail any more.

Reviewers: IslamAbdelRahman, andrewkr, kradhakrishnan, yhchiang

Reviewed By: yhchiang

Subscribers: leveldb, dhruba

Differential Revision: https://reviews.facebook.net/D55017
2016-03-02 21:23:28 -08:00
arcanist_util Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
build_tools Modify build_tools/build_detect_platform to detect and set -march=z10 on Linux s390x. 2016-02-29 15:02:52 -05:00
coverage Fix coverage script 2014-11-03 14:53:00 -08:00
db Compaction always needs to be removed from level0_compactions_in_progress_ for universal compaction 2016-03-02 21:23:28 -08:00
doc Lint everything 2015-11-16 12:56:21 -08:00
examples Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
hdfs Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
include/rocksdb Add Iterator Property rocksdb.iterator.version_number 2016-03-02 16:23:59 -08:00
java Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
memtable Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
port Implement ConsistentChildrenAttribute 2016-02-19 14:20:34 -08:00
table Add Iterator Property rocksdb.iterator.version_number 2016-03-02 16:23:59 -08:00
third-party Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
tools fix build without gflags 2016-02-16 12:16:47 -08:00
util Add parsing of missing DB options 2016-03-02 10:34:14 -08:00
utilities Get file attributes in bulk for VerifyBackup and CreateNewBackup 2016-03-01 19:33:33 -08:00
.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 New amalgamation target 2015-10-01 08:29:31 +13:00
.travis.yml Travis CI to disable ROCKSDB_LITE tests 2016-02-01 18:42:01 -08:00
appveyor.yml Exclude DBTest.FileCreationRandomFailure as a long running test 2015-11-17 13:54:13 -08:00
AUTHORS Add AUTHORS file. Fix #203 2014-09-29 10:52:18 -07:00
CMakeLists.txt Add Iterator Property rocksdb.iterator.version_number 2016-03-02 16:23:59 -08:00
CONTRIBUTING.md facebook accounts are not required for CLA signers 2014-07-08 05:57:54 -04:00
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md Change BlockBasedTableOptions.format_version default to 2 2016-03-01 14:28:52 -08:00
INSTALL.md Simple changes to support builds for ppc64[le] consistent with X86 2016-01-19 09:08:19 -06:00
LICENSE Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
Makefile Add Iterator Property rocksdb.iterator.version_number 2016-03-02 16:23:59 -08:00
PATENTS Update Patent Grant. 2015-04-13 10:33:43 +01:00
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 Optimistic Transactions 2015-05-29 14:36:35 -07:00
src.mk IOStatsContext::ToString() add option to exclude zero counters 2016-02-23 10:26:24 -08:00
thirdparty.inc Enable override to 3rd party linkage 2015-11-24 11:51:37 -08:00
USERS.md Add Wingify to USERS.md 2016-01-28 01:04:49 +05:30
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

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/