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A library that provides an embeddable, persistent key-value store for fast storage.
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Andrew Kryczka 7ed69fbe72 Update HISTORY.md and version.h 6.22 release (#8427) 
Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/8427

Reviewed By: zhichao-cao

Differential Revision: D29246916

Pulled By: ajkr

fbshipit-source-id: ccd44ca1a6dd5101dc37f19b8e1fe6c0e3883e0a
2021-06-19 12:12:46 -07:00
.circleci Change Windows image back to stable (#8424) 2021-06-18 12:32:01 -07:00
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build_tools Remove TSAN crash test opt-in to platform007 (#8406) 2021-06-15 08:17:01 -07:00
cache Parallelize secondary cache lookup in MultiGet (#8405) 2021-06-18 09:35:59 -07:00
cmake Add find_dependency() in cmake config file. (#6791) 2020-05-12 21:18:29 -07:00
coverage Find the correct gcov (#6904) 2020-06-01 16:33:05 -07:00
db typo: fix typo in db/write_thread's state (#8423) 2021-06-18 17:14:51 -07:00
db_stress_tool Mark Ribbon filter and optimize_filters_for_memory as production (#8408) 2021-06-17 12:29:16 -07:00
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env Add CreateFrom methods to Env/FileSystem (#8174) 2021-06-15 03:43:48 -07:00
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hdfs fix build with 'USE_HDFS' on windows (#6950) 2020-06-12 16:21:50 -07:00
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java Added memtable garbage statistics (#8411) 2021-06-18 04:57:27 -07:00
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README.md

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

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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/ and https://rocksdb.slack.com/

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.