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Yueh-Hsuan Chiang a558830f8f Fixed compile warnings in posix_logger.h and coding.h 
Summary:
Fixed the following compile warnings:

/Users/yhchiang/rocksdb/util/posix_logger.h:32:11: error: unused variable 'kDebugLogChunkSize' [-Werror,-Wunused-const-variable]
const int kDebugLogChunkSize = 128 * 1024;
          ^
/Users/yhchiang/rocksdb/util/coding.h:24:20: error: unused variable 'kMaxVarint32Length' [-Werror,-Wunused-const-variable]
const unsigned int kMaxVarint32Length = 5;
                   ^
2 errors generated.

Test Plan: make clean rocksdb

Reviewers: igor, sdong, anthony, IslamAbdelRahman, rven, kradhakrishnan, adamretter

Reviewed By: adamretter

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D56223
 		2016-03-31 16:01:47 -07:00
arcanist_util Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
build_tools Add support for UBsan builds to RocksDB 2016-03-30 15:59:24 -07:00
coverage Fix coverage script 2014-11-03 14:53:00 -08:00
db Formatted lines to adhere to 80 char limit 2016-03-31 08:26:55 +05:30
doc Lint everything 2015-11-16 12:56:21 -08:00
examples Revert "Adding pin_l0_filter_and_index_blocks_in_cache feature." 2016-03-21 11:50:42 -07:00
hdfs Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
include/rocksdb to/from hex refactor 2016-03-30 14:36:48 -07:00
java Revert "Adding pin_l0_filter_and_index_blocks_in_cache feature." 2016-03-21 11:50:42 -07:00
memtable Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
port Fixed compile warnings in posix_logger.h and coding.h 2016-03-31 16:01:47 -07:00
table to/from hex refactor 2016-03-30 14:36:48 -07:00
third-party Fix the build break on Ubuntu 15.10 when gcc 5.2.1 is used 2016-03-15 10:30:10 -07:00
tools Merge pull request #1054 from DCEngines/magic12 2016-03-30 21:38:19 -07:00
util Fixed compile warnings in posix_logger.h and coding.h 2016-03-31 16:01:47 -07:00
utilities Forge current file for checkpoint 2016-03-17 10:07:21 -07:00
.arcconfig Integrate Jenkins with Phabricator 2015-04-07 11:56:29 -07:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.gitignore Ignore db_test2 2016-03-07 15:56:16 -08:00
.travis.yml Travis CI to disable ROCKSDB_LITE tests 2016-02-01 18:42:01 -08:00
AUTHORS Add AUTHORS file. Fix #203 2014-09-29 10:52:18 -07:00
CMakeLists.txt Add unit tests for RepairDB 2016-03-18 15:18:42 -07:00
CONTRIBUTING.md facebook accounts are not required for CLA signers 2014-07-08 05:57:54 -04:00
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md Update change log for 4.6 release 2016-03-12 13:51:57 -08:00
INSTALL.md Simple changes to support builds for ppc64[le] consistent with X86 2016-01-19 09:08:19 -06:00
LICENSE Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
Makefile Add support for UBsan builds to RocksDB 2016-03-30 15:59:24 -07:00
PATENTS Update Patent Grant. 2015-04-13 10:33:43 +01:00
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 Optimistic Transactions 2015-05-29 14:36:35 -07:00
USERS.md Added quasardb to the USERS.md file 2016-03-14 23:48:28 +01:00
Vagrantfile RocksDB on FreeBSD support 2015-02-26 15:19:17 -08:00
WINDOWS_PORT.md Commit both PR and internal code review changes 2015-07-07 16:58:20 -07:00
appveyor.yml Exclude DBTest.FileCreationRandomFailure as a long running test 2015-11-17 13:54:13 -08:00
src.mk Merge pull request #1026 from SherlockNoMad/Hist 2016-03-15 11:27:54 -07:00
thirdparty.inc Latest versions of Jemalloc library do not require je_init()/je_unint() 2016-03-17 11:25:20 -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/