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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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Islam AbdelRahman 2fbc59a348 Disallow SstFileWriter from creating empty sst files 
Summary:
SstFileWriter may create an sst file with no entries
Right now this will fail when being ingested using DB::AddFile() saying that the keys are corrupted

Test Plan: make check

Reviewers: yhchiang, rven, anthony, sdong

Reviewed By: sdong

Subscribers: dhruba

Differential Revision: https://reviews.facebook.net/D52815
2016-01-25 13:47:07 -08:00
arcanist_util Cosmetic fixes and comments for the reader 2016-01-25 10:45:29 -08:00
build_tools Update fbcode_config.sh to use latest versions automatically 2016-01-22 11:56:32 -08:00
coverage Fix coverage script 2014-11-03 14:53:00 -08:00
db Disallow SstFileWriter from creating empty sst files 2016-01-25 13:47:07 -08:00
doc Lint everything 2015-11-16 12:56:21 -08:00
examples Fix examples 2015-12-16 17:04:46 +01:00
hdfs update posix env schedule call 2015-12-30 10:12:44 -08:00
include/rocksdb Add named constants for remaining properties 2016-01-21 10:59:36 -08:00
java Changes for build on solaris 2016-01-19 04:45:21 +00:00
memtable Enable MS compiler warning c4244. 2015-12-11 16:47:34 -08:00
port Align statistics 2016-01-13 14:53:23 -08:00
table Disallow SstFileWriter from creating empty sst files 2016-01-25 13:47:07 -08:00
third-party Enable MS compiler warning c4244. 2015-12-11 16:47:34 -08:00
tools Crash test to make kill decision for every kill point 2016-01-19 18:11:24 -08:00
util Add tests to make sure new DB or ColumnFamily options are settable through string 2016-01-22 16:18:44 -08:00
utilities As per google coding standard replace "using" in option_builder.cc and 2016-01-20 00:27:29 +00:00
.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 Revert "Change notification email for travis" 2016-01-19 22:46:39 +00:00
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 Split db_test.cc (part 1: properties) 2016-01-20 15:17:52 -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 Update HISTORY.mc for 4.4.0 2016-01-14 16:57:06 -08:00
INSTALL.md Simple changes to support builds for ppc64[le] consistent with X86 2016-01-19 09:08:19 -06:00
LICENSE Fix copyright year 2014-03-12 12:06:58 -07:00
Makefile Mechanism to run CI jobs on local branch via commit_prereq 2016-01-21 16:22:21 -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 support for concurrent adds to memtable 2015-12-25 11:03:40 -08:00
thirdparty.inc Enable override to 3rd party linkage 2015-11-24 11:51:37 -08:00
USERS.md Add Rakuten Marketing to USERS.md 2016-01-18 15:24:52 -08:00
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

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/