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A library that provides an embeddable, persistent key-value store for fast storage.
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Yueh-Hsuan Chiang 3ecbab0040 Add GetAggregatedIntProperty(): returns the aggregated value from all CFs 
Summary:
This patch adds GetAggregatedIntProperty() that returns the aggregated
value from all CFs

Test Plan: Added a test in db_test

Reviewers: igor, sdong, anthony, IslamAbdelRahman, rven

Reviewed By: rven

Subscribers: rven, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D49497
2015-11-03 15:54:18 -08:00
arcanist_util Don't spew warnings when flint doesn't exist 2015-10-19 18:47:59 -07:00
build_tools Add LITE tests to Legocastle 2015-10-26 11:50:29 -07:00
coverage Fix coverage script 2014-11-03 14:53:00 -08:00
db Add GetAggregatedIntProperty(): returns the aggregated value from all CFs 2015-11-03 15:54:18 -08:00
doc Remove seek compaction 2014-06-20 10:23:02 +02:00
examples [RocksDB Options File] Add TableOptions section and support BlockBasedTable 2015-10-11 12:17:42 -07:00
hdfs [Cleanup] Remove RandomRWFile 2015-08-12 10:18:59 -07:00
include/rocksdb Add GetAggregatedIntProperty(): returns the aggregated value from all CFs 2015-11-03 15:54:18 -08:00
java options: add recycle_log_file_num option 2015-10-18 21:21:24 -04:00
memtable Moving memtable related files from util to a new directory memtable 2015-10-16 14:10:33 -07:00
port "make format" in some recent commits 2015-10-29 17:11:14 -07:00
table Merge pull request #803 from SherlockNoMad/SkipFlush 2015-11-02 14:56:11 -08:00
third-party "make format" against last 10 commits 2015-07-13 13:50:18 -07:00
tools Move skip_table_builder_flush to BlockBasedTableOption 2015-10-30 18:33:01 -07:00
util Merge pull request #803 from SherlockNoMad/SkipFlush 2015-11-02 14:56:11 -08:00
utilities Add RocksDb/GeoDb Iterator interface 2015-11-03 15:20:58 -08:00
.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 New amalgamation target 2015-10-01 08:29:31 +13:00
.travis.yml Run ROCKSDB_LITE tests in travis 2015-10-16 10:47:37 -07:00
appveyor.yml Do not build test only code and unit tests in Release builds 2015-10-20 13:35:08 -07:00
appveyordailytests.yml Do not build test only code and unit tests in Release builds 2015-10-20 13:35:08 -07:00
AUTHORS Add AUTHORS file. Fix #203 2014-09-29 10:52:18 -07:00
CMakeLists.txt Do not disable compiler warnings: 2015-11-02 14:11:28 -08:00
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 Add GetAggregatedIntProperty(): returns the aggregated value from all CFs 2015-11-03 15:54:18 -08:00
INSTALL.md Update 4 is required for building with MS Visual Studio 13 2015-10-15 11:06:02 -07:00
LICENSE Fix copyright year 2014-03-12 12:06:58 -07:00
Makefile Write stress test 2015-10-28 16:15:07 -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
src.mk Split posix storage backend into Env and library 2015-10-22 17:31:31 +02:00
thirdparty.inc Improve CI build and fix Windows build breakage 2015-09-30 11:20:23 -07:00
USERS.md Add Cloudera's blog post to USERS.md 2015-09-02 14:04:51 -07:00
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

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/