A library that provides an embeddable, persistent key-value store for fast storage.
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Yi Wu d6ae6dec69 Add Statistics::getAndResetTickerCount().
Summary: A convience method to atomically get and reset ticker count. I'm wanting to use it to have a thin wrapper to the statistics object to export ticker counts to ODS for LogDevice (since they don't even use fb303).

Test Plan:
test in LogDevice shadow cluster.
https://fburl.com/461868822

Reviewers: andrewkr, yhchiang, IslamAbdelRahman

Reviewed By: IslamAbdelRahman

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D64869
2016-10-11 10:54:11 -07:00
arcanist_util Retry getting arcanist token on failure 2016-09-19 14:50:52 -07:00
build_tools Support ZSTD with finalized format 2016-09-06 12:22:16 -07:00
cmake/modules cmake support for linux and osx (#1358) 2016-09-28 11:53:15 -07:00
coverage Fix coverage script 2014-11-03 14:53:00 -08:00
db Support running consistency checks in release mode 2016-10-07 17:21:45 -07:00
docs Testing asset links after config change 2016-10-07 16:28:44 -07:00
examples Fix typo (#903) 2016-09-14 14:12:31 -07:00
hdfs Fix bug in UnScSigned-off-by: xh931076284 <931076284@qq.com> (#1336) 2016-09-14 10:17:34 -07:00
include/rocksdb Add Statistics::getAndResetTickerCount(). 2016-10-11 10:54:11 -07:00
java [RocksJava] Adjusted RateLimiter to 3.10.0 (#1368) 2016-10-07 12:32:21 -07:00
memtable Add SeekForPrev() to Iterator 2016-09-27 18:20:57 -07:00
port Add NoSpace subcode to IOError (#1320) 2016-09-07 12:37:45 -07:00
table Revert "Support SST files with Global sequence numbers" 2016-10-07 14:05:12 -07:00
third-party Fix clang analyzer errors 2016-07-08 17:50:51 -07:00
tools cmake support for linux and osx (#1358) 2016-09-28 11:53:15 -07:00
util Add Statistics::getAndResetTickerCount(). 2016-10-11 10:54:11 -07:00
utilities Make Lock Info test multiple column families 2016-10-07 15:04:05 -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
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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 Avoid string CONCAT which is not supported in cmake 2.6 (#1383) 2016-10-10 17:32:04 -07:00
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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 Add Statistics::getAndResetTickerCount(). 2016-10-11 10:54:11 -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
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Makefile Minor fixes around Windows 64 Java Artifacts (#1366) 2016-10-03 11:58:08 -07:00
PATENTS Update Patent Grant. 2015-04-13 10:33:43 +01:00
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thirdparty.inc Introduce XPRESS compresssion on Windows. (#1081) 2016-04-19 22:54:24 -07:00
USERS.md Adding Dgraph to list of Users (#1291) 2016-09-12 17:33:44 -07:00
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WINDOWS_PORT.md Commit both PR and internal code review changes 2015-07-07 16:58:20 -07:00

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

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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/