Revision 4624edc440a1623c2e548db7fd3db33a6380f4cc authored by Siying Dong on 22 February 2018, 21:23:53 UTC, committed by Facebook Github Bot on 22 February 2018, 21:28:12 UTC
Summary: RocksDB should always be able to parse an option file generated using the same or lower version. Unknown option should only happen if it is from a higher version. Change the behavior of RocksDBOptionsParser::Parse()'s behavior with ignore_unknown_options=true so that unknown option from a lower or the same version will never be skipped. Closes https://github.com/facebook/rocksdb/pull/3527 Differential Revision: D7048851 Pulled By: siying fbshipit-source-id: e261caea12f6515611a4a29f39acf2b619df2361
1 parent aba3409
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 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](https://github.com/facebook/rocksdb/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/
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