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A library that provides an embeddable, persistent key-value store for fast storage.
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Java 10.3%
C 2.5%
Python 1.7%
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Cheng Chang 6dea7530b5 Remove copy of pairs from the for range loop (#6514) 
Summary:
Remove copy of pairs from the for range loop
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6514

Test Plan: make check

Differential Revision: D20389688

Pulled By: cheng-chang

fbshipit-source-id: 1c772091f955be33267514010f3596c61a6f46b5
2020-03-11 21:38:09 -07:00
buckifier Buck config: Re-enable liburing under Linux (#6451) 2020-02-24 15:47:34 -08:00
build_tools Check for sys/auxv.h (#6359) 2020-03-03 18:09:59 -08:00
cache Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
cmake cmake: do not build tests for Release build and cleanups (#5916) 2019-12-13 12:48:06 -08:00
coverage Fix interpreter lines for files with python2-only syntax. 2019-07-09 10:51:37 -07:00
db Cache result of GetLogicalBufferSize in Linux (#6457) 2020-03-11 18:40:05 -07:00
db_stress_tool support SstFileManager in db_stress (#6454) 2020-02-25 16:45:30 -08:00
docs Log warning for high bits/key in legacy Bloom filter (#6312) 2020-01-17 19:37:35 -08:00
env Cache result of GetLogicalBufferSize in Linux (#6457) 2020-03-11 18:40:05 -07:00
examples Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
file Remove memcpy from RandomAccessFileReader::Read in direct IO mode (#6455) 2020-03-06 14:05:12 -08:00
hdfs Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
include/rocksdb Cache result of GetLogicalBufferSize in Linux (#6457) 2020-03-11 18:40:05 -07:00
java When CMake fails to download a file, display the error message (#6511) 2020-03-11 08:52:46 -07:00
logging Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
memory Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
memtable Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
monitoring Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
options Remove copy of pairs from the for range loop (#6514) 2020-03-11 21:38:09 -07:00
port Share kPageSize (and other small tweaks) (#6443) 2020-02-22 08:01:36 -08:00
table Iterator with timestamp (#6255) 2020-03-06 16:24:27 -08:00
test_util Introduce FaultInjectionTestFS to test fault File system instead of Env (#6414) 2020-03-04 12:35:05 -08:00
third-party Apply formatter to some recent commits (#6138) 2019-12-09 15:49:49 -08:00
tools Iterator with timestamp (#6255) 2020-03-06 16:24:27 -08:00
trace_replay Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
util Include more information in file lock failure (#6507) 2020-03-11 16:23:08 -07:00
utilities Optional sequence number exporting during checkpoint creation (#5528) 2020-03-10 13:40:18 -07:00
.clang-format A script that automatically reformat affected lines 2014-01-14 12:21:24 -08:00
.gitignore Ignore compile_commands.json file (#6472) 2020-03-02 12:54:13 -08:00
.lgtm.yml Create lgtm.yml for LGTM.com C/C++ analysis (#4058) 2018-06-26 12:43:04 -07:00
.travis.yml Add ppc64le builds to Travis (#6144) 2020-03-11 12:33:45 -07:00
.watchmanconfig Added .watchmanconfig file to rocksdb repo (#5593) 2019-07-19 15:00:33 -07:00
appveyor.yml Don't download from (unreliable) maven.org (#6348) 2020-01-30 11:02:08 -08:00
AUTHORS Update RocksDB Authors File 2017-10-18 14:42:10 -07:00
CMakeLists.txt Cache result of GetLogicalBufferSize in Linux (#6457) 2020-03-11 18:40:05 -07:00
CODE_OF_CONDUCT.md Adopt Contributor Covenant 2019-08-29 23:21:01 -07:00
CONTRIBUTING.md Add Code of Conduct 2017-12-05 18:42:35 -08:00
COPYING Add GPLv2 as an alternative license. 2017-04-27 18:06:12 -07:00
DEFAULT_OPTIONS_HISTORY.md options.delayed_write_rate use the rate of rate_limiter by default. 2017-05-24 09:58:24 -07:00
defs.bzl Add clarifying/instructive header to TARGETS and defs.bzl 2019-11-05 20:20:33 -08:00
DUMP_FORMAT.md First version of rocksdb_dump and rocksdb_undump. 2015-06-19 16:24:36 -07:00
HISTORY.md Include more information in file lock failure (#6507) 2020-03-11 16:23:08 -07:00
INSTALL.md Update the version of the dependencies used by the RocksJava static build (#4761) 2018-12-18 20:25:43 -08:00
issue_template.md Add Google Group to Issue Template 2020-01-28 14:40:37 -08:00
LANGUAGE-BINDINGS.md LANGUAGE-BINDINGS.md: mention python-rocksdb 2019-03-20 11:10:48 -07:00
LICENSE.Apache Change RocksDB License 2017-07-15 16:11:23 -07:00
LICENSE.leveldb Add back the LevelDB license file 2017-07-16 18:42:18 -07:00
Makefile Cache result of GetLogicalBufferSize in Linux (#6457) 2020-03-11 18:40:05 -07:00
README.md Replaced some words (#5877) 2019-10-07 12:28:09 -07:00
ROCKSDB_LITE.md Fix some typos in comments and docs. 2018-03-08 10:27:25 -08:00
src.mk Cache result of GetLogicalBufferSize in Linux (#6457) 2020-03-11 18:40:05 -07:00
TARGETS Cache result of GetLogicalBufferSize in Linux (#6457) 2020-03-11 18:40:05 -07:00
thirdparty.inc Fix build jemalloc api (#5470) 2019-06-24 17:40:32 -07:00
USERS.md add user nebula (#6271) 2020-01-08 13:46:43 -08:00
Vagrantfile Adding CentOS 7 Vagrantfile & build script 2018-02-26 15:27:17 -08:00
WINDOWS_PORT.md #5145 , rename port/dirent.h to port/port_dirent.h to avoid compile err when use port dir as header dir output (#5152) 2019-04-04 11:38:19 -07:00

README.md

RocksDB: A Persistent Key-Value Store for Flash and RAM Storage

Linux/Mac Build Status Windows Build status PPC64le 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 especially 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/

License

RocksDB is dual-licensed under both the GPLv2 (found in the COPYING file in the root directory) and Apache 2.0 License (found in the LICENSE.Apache file in the root directory). You may select, at your option, one of the above-listed licenses.