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Danny Al-Gaaf 4a171882d6 db/version_set.cc: remove unnecessary checks 
Fix for:

[db/version_set.cc:1219]: (style) Unsigned variable 'last_file'
 can't be negative so it is unnecessary to test it.
[db/version_set.cc:1234]: (style) Unsigned variable 'first_file'
 can't be negative so it is unnecessary to test it.

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
2014-10-01 11:09:22 +02:00
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 db/version_set.cc: remove unnecessary checks 2014-10-01 11:09:22 +02:00
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 Built-in comparator(s) in RocksJava 2014-09-26 10:35:12 +02:00
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 table/block_based_table_builder.cc: remove unused variable 2014-10-01 10:49:09 +02:00
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 util/cache_test.cc: use static_cast over C-Style cast 2014-10-01 10:53:37 +02:00
utilities document_db.cc: remove unused variable 2014-10-01 10:49:09 +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 Add an instruction about SSE in INSTALL.md 2014-09-29 17:28:54 -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/