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Yueh-Hsuan Chiang 241bb2aef3 Make DBCompactionTest.SkipStatsUpdateTest more stable. 
Summary:
Make DBCompactionTest.SkipStatsUpdateTest more stable by
removing flaky but unnecessary assertion on the size of db
as simply checking the random file open count is suffice.

Test Plan: db_compaction_test

Reviewers: igor, anthony, IslamAbdelRahman, sdong

Reviewed By: sdong

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D43533
2015-08-04 15:47:05 -07:00
arcanist_util
build_tools Commit both PR and internal code review changes 2015-07-07 16:58:20 -07:00
coverage
db Make DBCompactionTest.SkipStatsUpdateTest more stable. 2015-08-04 15:47:05 -07:00
doc
examples
hdfs Improved FileExists API 2015-07-20 17:20:40 -07:00
include/rocksdb Fix a typo and update HISTORY.md for NewCompactOnDeletionCollectorFactory(). 2015-08-04 13:51:05 -07:00
java Add missing hashCode() implementation 2015-07-24 17:07:19 -07:00
port Fix WinEnv::NowMicrosec 2015-07-22 14:36:43 -07:00
table Improved FileExists API 2015-07-20 17:20:40 -07:00
third-party "make format" against last 10 commits 2015-07-13 13:50:18 -07:00
tools crash_test cleans up directory before testing if TEST_TMPDIR is set 2015-08-04 14:59:28 -07:00
util Add DBOptions::skip_sats_update_on_db_open 2015-08-04 13:48:16 -07:00
utilities Fix compile warning in compact_on_deletion_collector in some environment 2015-08-03 20:53:15 -07:00
.arcconfig
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.gitignore Windows Port from Microsoft 2015-07-01 16:13:56 -07:00
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AUTHORS
CMakeLists.txt Add CompactOnDeletionCollector in utilities/table_properties_collectors. 2015-08-03 20:42:55 -07:00
CONTRIBUTING.md
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md Polish HISTORY.md 2015-08-04 15:04:19 -07:00
INSTALL.md Commit both PR and internal code review changes 2015-07-07 16:58:20 -07:00
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Makefile crash_test to cover simply cases 2015-08-04 12:08:38 -07:00
PATENTS
README.md
ROCKSDB_LITE.md
src.mk Add CompactOnDeletionCollector in utilities/table_properties_collectors. 2015-08-03 20:42:55 -07:00
thirdparty.inc Conditional use of third-party libraries 2015-07-09 14:42:41 -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

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/