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A library that provides an embeddable, persistent key-value store for fast storage.
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Yueh-Hsuan Chiang ad471453e8 Allow GetProperty to report the number of currently running flushes / compactions. 
Summary:
Add rocksdb.num-running-compactions and rocksdb.num-running-flushes
to GetIntProperty() that reports the number of currently running
compactions / flushes.

Test Plan: augmented existing tests in db_test

Reviewers: igor, IslamAbdelRahman, sdong

Reviewed By: sdong

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D48693
2015-10-17 00:16:36 -07:00
arcanist_util Fix linters on non-fb machines 2015-08-11 11:36:12 -07:00
build_tools Disabling TSAN crash test 2015-10-15 13:42:34 -07:00
coverage Fix coverage script 2014-11-03 14:53:00 -08:00
db Allow GetProperty to report the number of currently running flushes / compactions. 2015-10-17 00:16:36 -07:00
doc Remove seek compaction 2014-06-20 10:23:02 +02:00
examples [RocksDB Options File] Add TableOptions section and support BlockBasedTable 2015-10-11 12:17:42 -07:00
hdfs [Cleanup] Remove RandomRWFile 2015-08-12 10:18:59 -07:00
include/rocksdb Allow GetProperty to report the number of currently running flushes / compactions. 2015-10-17 00:16:36 -07:00
java Seperate InternalIterator from Iterator 2015-10-13 15:32:13 -07:00
memtable Moving memtable related files from util to a new directory memtable 2015-10-16 14:10:33 -07:00
port Allow users to disable some kill points in db_stress 2015-10-15 14:33:13 -07:00
table Moving memtable related files from util to a new directory memtable 2015-10-16 14:10:33 -07:00
third-party "make format" against last 10 commits 2015-07-13 13:50:18 -07:00
tools crash_test to trigger fail points other than file appending more frequently 2015-10-16 11:35:27 -07:00
util Add more kill points 2015-10-16 14:35:12 -07:00
utilities Add ClearSnapshot() 2015-10-16 11:53:30 -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 New amalgamation target 2015-10-01 08:29:31 +13:00
.travis.yml Run ROCKSDB_LITE tests in travis 2015-10-16 10:47:37 -07:00
appveyor.yml Improve CI build and build switches 2015-09-29 12:22:48 -07:00
appveyordailytests.yml Improve CI build and fix Windows build breakage 2015-09-30 11:20:23 -07:00
AUTHORS Add AUTHORS file. Fix #203 2014-09-29 10:52:18 -07:00
CMakeLists.txt Moving memtable related files from util to a new directory memtable 2015-10-16 14:10:33 -07:00
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 Remove DefaultCompactionFilterFactory. 2015-10-14 11:02:30 -07:00
INSTALL.md Update 4 is required for building with MS Visual Studio 13 2015-10-15 11:06:02 -07:00
LICENSE Fix copyright year 2014-03-12 12:06:58 -07:00
Makefile Fix db_test under ROCKSDB_LITE 2015-10-15 10:59:31 -07:00
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 Moving memtable related files from util to a new directory memtable 2015-10-16 14:10:33 -07:00
thirdparty.inc Improve CI build and fix Windows build breakage 2015-09-30 11:20:23 -07:00
USERS.md Add Cloudera's blog post to USERS.md 2015-09-02 14:04:51 -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

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/