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Islam AbdelRahman a9ca9107b9 Fix db_universal_compaction_test 
Summary:
db_universal_compaction_test is still failing because of
UniversalCompactionNumLevels/DBTestUniversalCompaction.UniversalCompactionSecondPathRatio/0

https://travis-ci.org/facebook/rocksdb/jobs/94949919

Use same approach to fix other tests to fix this test

Test Plan: Run ./db_universal_compaction_test on mac and make sure all the tests pass

Reviewers: kradhakrishnan, yhchiang, rven, anthony, sdong

Reviewed By: sdong

Subscribers: dhruba

Differential Revision: https://reviews.facebook.net/D51591
 		2015-12-04 13:27:56 -08:00
arcanist_util Don't spew warnings when flint doesn't exist 2015-10-19 18:47:59 -07:00
build_tools build_tools/fbcode_config4.8.1.sh: upgrade versions of some dependencies 2015-11-18 16:18:11 -08:00
coverage Fix coverage script 2014-11-03 14:53:00 -08:00
db Fix db_universal_compaction_test 2015-12-04 13:27:56 -08:00
doc Lint everything 2015-11-16 12:56:21 -08:00
examples Fixed some typos in the comments of rocksdb options file example 2015-11-30 18:10:00 -08:00
hdfs [Cleanup] Remove RandomRWFile 2015-08-12 10:18:59 -07:00
include/rocksdb Added callback notification when a snapshot is created 2015-12-04 10:20:36 -08:00
java Lint everything 2015-11-16 12:56:21 -08:00
memtable Enable C4305 'identifier' : truncation from 'type1' to 'type2' 2015-11-06 16:44:39 -08:00
port Build on Visual Studio 2015 Update 1 2015-11-20 15:31:47 -08:00
table plain table reader: avoid re-read the same position for index and data in non-mmap mode 2015-11-18 16:49:08 -08:00
third-party Lint everything 2015-11-16 12:56:21 -08:00
tools Reduce moving memory in LDB::ScanCommand 2015-11-19 22:26:37 -08:00
util Initialize options.row_cache 2015-11-30 10:30:35 -08:00
utilities Added callback notification when a snapshot is created 2015-12-04 10:20:36 -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 Run ROCKSDB_LITE tests in travis 2015-10-16 10:47:37 -07:00
AUTHORS Add AUTHORS file. Fix #203 2014-09-29 10:52:18 -07:00
CMakeLists.txt InlineSkipList - part 1/3 2015-11-24 14:30:22 -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 DB to only flush the column family with the largest memtable while option.db_write_buffer_size is hit 2015-11-30 13:36:57 -08:00
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 InlineSkipList - part 1/3 2015-11-24 14:30:22 -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
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
appveyor.yml Exclude DBTest.FileCreationRandomFailure as a long running test 2015-11-17 13:54:13 -08:00
src.mk InlineSkipList - part 1/3 2015-11-24 14:30:22 -08:00
thirdparty.inc Enable override to 3rd party linkage 2015-11-24 11:51:37 -08:00

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/