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A library that provides an embeddable, persistent key-value store for fast storage.
2,348 Commits 152 Branches 236 Tags 271 MiB
C++ 82.1%
Java 10.3%
C 2.5%
Python 1.7%
Perl 1.1%
Other 2.1%
fcac705f95
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Yueh-Hsuan Chiang fcac705f95 Fixed compile warning on Mac caused by unused variables. 
Summary:
Fixed compile warning caused by unused variables.

./db/compaction_picker.h:118:7: error: private field 'max_grandparent_overlap_factor_' is not used [-Werror,-Wunused-private-field]
  int max_grandparent_overlap_factor_;
      ^
./db/compaction_picker.h:119:7: error: private field 'expanded_compaction_factor_' is not used [-Werror,-Wunused-private-field]
  int expanded_compaction_factor_;
      ^
2 errors generated.

Test Plan:
make db_test
2014-10-02 01:03:08 -07:00
build_tools Package generation for Ubuntu and CentOS 2014-09-29 16:09:46 -07:00
coverage Disable the html-based coverage report by default 2014-02-06 12:58:13 -08:00
db Fixed compile warning on Mac caused by unused variables. 2014-10-02 01:03:08 -07:00
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 make compaction related options changeable 2014-10-01 16:19:16 -07:00
java Built-in comparator(s) in RocksJava 2014-09-26 10:35:12 +02:00
linters remove 2 space linter 2014-09-29 15:52:12 -07:00
port Avoid off-by-one error when using readlink 2014-09-05 20:50:29 -07:00
table make compaction related options changeable 2014-10-01 16:19:16 -07:00
third-party/rapidjson Fix a rapidjson compile error in mac. 2014-06-23 17:09:24 -06:00
tools Fix unit tests errors 2014-09-18 13:32:44 -07:00
util make compaction related options changeable 2014-10-01 16:19:16 -07:00
utilities document_db.cc: fix assert 2014-09-30 23:30:32 +02:00
.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 Package generation for Ubuntu and CentOS 2014-09-29 16:09:46 -07:00
.travis.yml Fix travis builds 2014-09-04 10:23:45 -07:00
AUTHORS Add AUTHORS file. Fix #203 2014-09-29 10:52:18 -07:00
CONTRIBUTING.md facebook accounts are not required for CLA signers 2014-07-08 05:57:54 -04:00
HISTORY.md Remove allow_thread_local 2014-09-24 13:12:16 -07:00
INSTALL.md Update INSTALL.md 2014-10-01 11:15:42 -07:00
LICENSE Fix copyright year 2014-03-12 12:06:58 -07:00
Makefile Package generation for Ubuntu and CentOS 2014-09-29 16:09:46 -07:00
PATENTS Fix the patent format 2013-10-16 15:37:32 -07:00
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 RocksDBLite 2014-04-15 13:39:26 -07:00
Vagrantfile Package generation for Ubuntu and CentOS 2014-09-29 16:09:46 -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/