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Maysam Yabandeh 476e80be80 Add cpu usage to regression benchmarks (3rd attempt) 
Summary:
Tested by running rocks/tools/debug_regression_test.sh and verifying the local output:
```
 cat local/rocks_regression_tests/OPTIONS-viewstate-66-1262-5000/2017-04-13-11-34-51/SUMMARY.csv
                               commit id,                benchmark,                     user@host,num-dbs,key-range,key-size,value-size,compress-rate,ops-per-thread,num-threads,  cache-size,flushes,compactions,ops-per-s,       p50,       p75,       p99,     p99.9,    p99.99,debug,real-sec,user-sec,sys-sec
d2dce5611a,               readrandom,                root@localhost,     12,     5000,      66,      1262,           50,           312,         16,  1073741824,      4,         16,   138458,      9380,     11530,     55200,  16803200,  32504000,    1,    0,    0,    0
d2dce5611a,         readwhilewriting,                root@localhost,     12,     5000,      66,      1262,           50,           312,         16,  1073741824,      4,         16,   104511,
Closes https://github.com/facebook/rocksdb/pull/2157

Differential Revision: D4909238

Pulled By: maysamyabandeh

fbshipit-source-id: dc7bb8569c3c33b9f7c4ba47a757b24d27bb3b31
 		2017-04-18 17:11:25 -07:00
arcanist_util Fix arc setting for Facebook internal tools 2017-02-02 13:24:16 -08:00
buckifier internal_repo_rocksdb to build Java and RocksDB LITE 2017-04-12 15:13:41 -07:00
build_tools Change Build Env to gcc-5 2017-04-14 11:12:56 -07:00
cache Move some files under util/ to separate dirs 2017-04-05 19:09:16 -07:00
cmake/modules CMake: more MinGW fixes 2017-04-06 14:09:13 -07:00
coverage Fix coverage script 2014-11-03 14:53:00 -08:00
db Add DB:ResetStats() 2017-04-18 16:56:48 -07:00
docs Blog post for releasing 5.2.1 2017-03-22 17:54:18 -07:00
env remove warning 2017-04-14 18:56:14 -07:00
examples CMake: more MinGW fixes 2017-04-06 14:09:13 -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 DB:ResetStats() 2017-04-18 16:56:48 -07:00
java change use_direct_writes to use_direct_io_for_flush_and_compaction 2017-04-13 16:12:04 -07:00
memtable Move memtable related files into memtable directory 2017-04-06 14:09:13 -07:00
monitoring Move various string utility functions into string_util 2017-04-06 14:54:12 -07:00
options change use_direct_writes to use_direct_io_for_flush_and_compaction 2017-04-13 16:12:04 -07:00
port Move some files under util/ to separate dirs 2017-04-05 19:09:16 -07:00
table readahead backwards from sst end 2017-04-14 18:56:14 -07:00
third-party Fix build with MinGW 2017-03-30 16:54:52 -07:00
tools Add cpu usage to regression benchmarks (3rd attempt) 2017-04-18 17:11:25 -07:00
util Blob storage helper methods 2017-04-18 12:42:38 -07:00
utilities Change Build Env to gcc-5 2017-04-14 11:12:56 -07:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.deprecated_arcconfig Update ShipIt to honor TARGETS updates 2017-04-13 16:12:03 -07:00
.gitignore Add buckifier script to github repo 2017-04-04 16:24:26 -07:00
.travis.yml Add Travis job to build examples 2017-04-07 10:39:15 -07:00
AUTHORS Add AUTHORS file. Fix #203 2014-09-29 10:52:18 -07:00
CMakeLists.txt CMake: compile with -O2 2017-04-17 23:56:46 -07:00
CONTRIBUTING.md facebook accounts are not required for CLA signers 2014-07-08 05:57:54 -04:00
DEFAULT_OPTIONS_HISTORY.md Change the default of delayed slowdown value to 16MB/s 2017-02-01 20:39:17 -08:00
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md Add DB:ResetStats() 2017-04-18 16:56:48 -07:00
INSTALL.md Add a notice on gflags installation in INSTALL.md 2017-04-04 16:39:25 -07:00
LANGUAGE-BINDINGS.md Adding Dlang to the list 2017-02-16 17:24:10 -08:00
LICENSE Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
Makefile enable O2 optimization for lz4 2017-04-16 11:47:17 -07:00
PATENTS Update Patent Grant. 2015-04-13 10:33:43 +01:00
README.md Appveyor badge to show master branch 2016-07-26 13:54:08 -07:00
ROCKSDB_LITE.md Optimistic Transactions 2015-05-29 14:36:35 -07:00
TARGETS sync TARGETS file 2017-04-11 18:17:47 -07:00
USERS.md Update USERS.md add user Pika 2017-01-25 10:39:17 -08:00
Vagrantfile Update Vagrant file (test internal phabricator workflow) 2016-10-28 15:39:19 -07:00
WINDOWS_PORT.md Commit both PR and internal code review changes 2015-07-07 16:58:20 -07:00
appveyor.yml Rework test running script. 2017-04-05 11:39:20 -07:00
src.mk Refactor compaction picker code 2017-04-06 20:09:34 -07:00
thirdparty.inc Introduce XPRESS compresssion on Windows. (#1081) 2016-04-19 22:54:24 -07:00

README.md

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

Build Status 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/