Summary:
With unsynced data loss, we replay traces to recover expected state to DB's latest sequence number. With `inplace_update_support`, the largest sequence number of memtable may not reflect the latest update. This is because inplace updates in memtable do not update sequence number. So we disable `inplace_update_support` where traces need to be replayed.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/12673
Reviewed By: ltamasi
Differential Revision: D57512548
Pulled By: cbi42
fbshipit-source-id: 69278fe2e935874faf744d0ac4fd85263773c3ec
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.
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.
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.
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