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A library that provides an embeddable, persistent key-value store for fast storage.
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C++ 82.1%
Java 10.3%
C 2.5%
Python 1.7%
Perl 1.1%
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Igor Canadi d977e55596 Don't let other compactions run when manual compaction runs 
Summary:
Based on discussions from t4982833. This is just a short-term fix, I plan to revamp manual compaction process as part of t4982812.

Also, I think we should schedule automatic compactions at the very end of manual compactions, not when we're done with one level. I made that change as part of this diff. Let me know if you disagree.

Test Plan: make check for now

Reviewers: sdong, tnovak, yhchiang, ljin

Reviewed By: yhchiang

Subscribers: leveldb

Differential Revision: https://reviews.facebook.net/D22401
2014-08-28 13:06:28 -04:00
build_tools Changes to support unity build: 2014-08-11 13:22:47 -04:00
coverage Disable the html-based coverage report by default 2014-02-06 12:58:13 -08:00
db Don't let other compactions run when manual compaction runs 2014-08-28 13:06:28 -04:00
doc Remove seek compaction 2014-06-20 10:23:02 +02:00
examples Make it easier to start using RocksDB 2014-05-10 10:49:33 -07:00
hdfs hdfs cleanup and compile test against CDH 4.4. 2014-05-20 17:22:12 -04:00
helpers/memenv Expose in memory Env to the world 2014-04-14 12:28:15 -07:00
include Fix ios compile 2014-08-28 12:46:05 -04:00
java JNI changes corresponding to BlockBasedTableOptions migration 2014-08-25 14:22:55 -07:00
linters allow lambda function syntax in cpplint 2014-02-20 12:47:05 -08:00
port generic rate limiter 2014-07-08 11:41:57 -07:00
table Update block_builder.h 2014-08-28 13:37:10 +08:00
third-party/rapidjson Fix a rapidjson compile error in mac. 2014-06-23 17:09:24 -06:00
tools move block based table related options BlockBasedTableOptions 2014-08-25 14:22:05 -07:00
util Fix ios compile 2014-08-28 12:46:05 -04:00
utilities more concurrent flushes in SpatialDB 2014-08-27 08:48:31 -07:00
.arcconfig Improve/fix bugs for the cpp linter 2014-02-13 17:48:11 -08:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.gitignore Changes to support unity build: 2014-08-11 13:22:47 -04:00
.travis.yml Turn off travis notifications 2014-05-14 16:08:02 -07:00
CONTRIBUTING.md facebook accounts are not required for CLA signers 2014-07-08 05:57:54 -04:00
HISTORY.md improve OptimizeForPointLookup() 2014-08-26 14:15:00 -07:00
INSTALL.md specify the command to install build_tools/mac-install-gflags.sh file in doc 2014-06-17 17:03:21 -05:00
LICENSE Fix copyright year 2014-03-12 12:06:58 -07:00
Makefile Don't do memtable lookup in db_impl_readonly if memtables are empty while opening db. 2014-08-26 17:19:03 -07:00
PATENTS Fix the patent format 2013-10-16 15:37:32 -07:00
README.md Update README.md 2014-06-23 15:58:54 -07:00
ROCKSDB_LITE.md RocksDBLite 2014-04-15 13:39:26 -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 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/