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Peter Dillinger 31d1cea4f3 Add and fix clang -Wshift-sign-overflow (#7431)
Summary:
This option is apparently used by some teams within Facebook
(internal ref T75998621)

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7431

Test Plan: USE_CLANG=1 make check before (fails) and after

Reviewed By: jay-zhuang

Differential Revision: D23876584

Pulled By: pdillinger

fbshipit-source-id: abb8b67a1f1aac75327944d266e284b2b6727191
2020-09-23 15:26:17 -07:00
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db Add and fix clang -Wshift-sign-overflow (#7431) 2020-09-23 15:26:17 -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.