e490f2b051
Summary: in ReFitLevel(), we were not setting being_compacted to false after ReFitLevel() is done. This is not a issue if refit level is successful, since new FileMetaData is created for files at the target level. However, if there's an error during RefitLevel(), e.g., Manifest write failure, we should clear the being_compacted field for these files. Otherwise, these files will not be picked for compaction until db reopen. Pull Request resolved: https://github.com/facebook/rocksdb/pull/13009 Test Plan: existing test. - stress test failure in T200339331 should not happen anymore. Reviewed By: hx235 Differential Revision: D62597169 Pulled By: cbi42 fbshipit-source-id: 0ba659806da6d6d4b42384fc95268b2d7bad720e |
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README.md
RocksDB: A Persistent Key-Value Store for Flash and RAM Storage
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/main/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.
Questions and discussions are welcome on the RocksDB Developers Public Facebook group and email list on Google Groups.
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.