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Cheng Chang 152f8a8ffe Remove unnecessary computation of index (#6406)
Summary:
`index` can be replaced by  `iter`, saving the computation of `index++`.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6406

Test Plan: make check

Differential Revision: D19905056

Pulled By: cheng-chang

fbshipit-source-id: add4638959c0d2e4e77a11f3fa04ffabaf0de790
2020-02-14 08:26:23 -08:00
buckifier Remove IO URING compiler flags (#6415) 2020-02-13 16:51:10 -08:00
build_tools By default turn IO Uring off. (#6405) 2020-02-12 18:01:49 -08:00
cache
cmake
coverage
db Fail fast in paranoid mode when LoadTableHandlers fail during recovering (#6368) 2020-02-14 08:17:10 -08:00
db_stress_tool
docs
env Fix flaky test DecreaseNumBgThreads (#6393) 2020-02-13 17:27:18 -08:00
examples
file
hdfs
include/rocksdb
java JNI direct buffer support for basic operations (#2283) 2020-02-11 14:48:30 -08:00
logging Pass info_log_level to the inner logger of AutoRollLogger (#6388) 2020-02-10 22:26:08 -08:00
memory
memtable
monitoring
options
port
table Remove unnecessary computation of index (#6406) 2020-02-14 08:26:23 -08:00
test_util Fix flaky test DecreaseNumBgThreads (#6393) 2020-02-13 17:27:18 -08:00
third-party
tools Fix db_bench LITE build recently broken (#6411) 2020-02-13 10:52:50 -08:00
trace_replay
util Update unit tests for PinnableSlice (#6399) 2020-02-10 18:13:27 -08:00
utilities refine code (#6420) 2020-02-13 18:55:02 -08:00
.clang-format
.gitignore
.lgtm.yml
.travis.yml
.watchmanconfig
appveyor.yml
AUTHORS
CMakeLists.txt Add utility class Defer (#6382) 2020-02-10 17:59:47 -08:00
CODE_OF_CONDUCT.md
CONTRIBUTING.md
COPYING
DEFAULT_OPTIONS_HISTORY.md
defs.bzl
DUMP_FORMAT.md
HISTORY.md By default turn IO Uring off. (#6405) 2020-02-12 18:01:49 -08:00
INSTALL.md
issue_template.md
LANGUAGE-BINDINGS.md
LICENSE.Apache
LICENSE.leveldb
Makefile Add utility class Defer (#6382) 2020-02-10 17:59:47 -08:00
README.md
ROCKSDB_LITE.md
src.mk Add utility class Defer (#6382) 2020-02-10 17:59:47 -08:00
TARGETS Remove IO URING compiler flags (#6415) 2020-02-13 16:51:10 -08:00
thirdparty.inc
USERS.md
Vagrantfile
WINDOWS_PORT.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.