Summary:
db_crashtest.py uses multiple CFs only when run without flag `--simple`.
The previous config set `-test_batches_snapshots=1` in that case for
blackbox mode. But `-test_batches_snapshots=1` cannot verify recovery
correctness, so it should not always be set for multi-CF blackbox tests.
We can instead randomly toggle it.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/9303
Reviewed By: riversand963
Differential Revision: D33155229
Pulled By: ajkr
fbshipit-source-id: 4a6fdc4eddccc8ece664063baf6393ce1c5de6b7
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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