SteNicholas opened a new pull request #17833:
URL: https://github.com/apache/flink/pull/17833
## What is the purpose of the change
*Previously, RocksDB's log locates at its own DB folder, which makes the
debuging RocksDB not so easy. We could let RocksDB's log stay in Flink's log
directory by default. The default `log_dir` of the `DBOptions` should be the
Flink log directory path.*
## Brief change log
- *Relocates the RocksDB's log directory option of the `DBOptions` to the
Flink log directory in `RocksDBResourceContainer`.*
## Verifying this change
- *Adds the test `testRelocateDBOptionsLogDir` in
`RocksDBResourceContainerTest` to verify whether the log directory of the
RocksDB reloates to the Flink log directory by default.*
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (yes / **no**)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (yes / **no**)
- The serializers: (yes / **no** / don't know)
- The runtime per-record code paths (performance sensitive): (yes / **no**
/ don't know)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (yes / **no** / don't
know)
- The S3 file system connector: (yes / **no** / don't know)
## Documentation
- Does this pull request introduce a new feature? (yes / **no**)
- If yes, how is the feature documented? (**not applicable** / docs /
JavaDocs / not documented)
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