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yinqiwen 973f1b78fd memtable: delete merge value for range deleteion 
Summary: Closes https://github.com/facebook/rocksdb/pull/1797

Differential Revision: D4448004

Pulled By: ajkr

fbshipit-source-id: 3ffc27c
 		2017-01-23 12:24:14 -08:00
arcanist_util Show sandcastle URL in phabricator 2016-12-20 11:09:12 -08:00
build_tools Fix the directory path for RocksDB repo 2016-12-27 22:24:16 -08:00
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 memtable: delete merge value for range deleteion 2017-01-23 12:24:14 -08:00
docs 5.0.1 release blog post 2017-01-06 15:24:15 -08:00
examples examples: Add options_file_example to target all 2016-12-28 19:09:16 -08:00
hdfs Fix bug in UnScSigned-off-by: xh931076284 <931076284@qq.com> (#1336) 2016-09-14 10:17:34 -07:00
include/rocksdb c: allow set savepoint to writebatch 2017-01-20 13:24:13 -08:00
java fix batchresult handle leak 2017-01-20 13:24:12 -08:00
memtable Unified InlineSkipList::Insert algorithm with hinting 2016-11-22 14:09:13 -08:00
port Follow up for DirectIO refactor 2017-01-15 13:24:16 -08:00
table Revert "PinnableSlice" 2017-01-08 14:24:12 -08:00
third-party Kill flashcache code in RocksDB 2016-12-01 10:09:22 -08:00
tools Revert "PinnableSlice" 2017-01-08 14:24:12 -08:00
util Fix OptimizeForPointLookup() 2017-01-20 10:54:12 -08:00
utilities fix non-portable behavior in encoder 2017-01-20 16:39:22 -08:00
.arcconfig Make rocksdb work with internal repo 2016-10-28 14:59:50 -07:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.gitignore Less linear search in DBIter::Seek() when keys are overwritten a lot 2016-11-28 10:24:11 -08:00
.travis.yml Split travis jobs 2017-01-19 13:39:12 -08:00
AUTHORS Add AUTHORS file. Fix #203 2014-09-29 10:52:18 -07:00
CMakeLists.txt Fixup a couple of builds errors on Linux. 2017-01-20 13:24:13 -08:00
CONTRIBUTING.md facebook accounts are not required for CLA signers 2014-07-08 05:57:54 -04:00
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 Change DB::GetApproximateSizes for more flexibility needed for MyRocks 2017-01-20 09:39:11 -08:00
INSTALL.md Update documentation to point at gcc 4.8 2016-10-29 12:09:17 -07:00
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Makefile Zlib 1.2.8 is no longer available, switched to 1.2.10 2017-01-20 13:24:12 -08:00
PATENTS Update Patent Grant. 2015-04-13 10:33:43 +01:00
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ROCKSDB_LITE.md Optimistic Transactions 2015-05-29 14:36:35 -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
appveyor.yml Enable DBTest.GroupCommit as it runs in a reasonlable time now. 2017-01-18 14:24:11 -08:00
src.mk Iterator should be in corrupted status if merge operator return false 2016-12-16 11:09:16 -08:00
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/