zhangyy91 opened a new pull request #16367:
URL: https://github.com/apache/flink/pull/16367
## What is the purpose of the change
Randomize ITTests for delegating state backends.
## Brief change log
- `flink-statebackend-changelog` is added as a dependency of other
necessary modules to enable `ChangelogStatebackend` in tests.
- The changelog state backend is configured globally in
`TestStreamEnvironment` for tests.
- Adds a flag ("checkpointing.changelog") to config changelog in root pom.
The flag has three values:
- `unset`, the state backend in tests is left as it is, so the tests are
not affected. It is set as the default value to avoid breaking the current
tests if there are any issues in the changelog state backend.
- `on`, the changelog state backend is enabled in all tests. The can be
used to test if the changelog state backend works in all tests.
- `random`, the changelog state backend is enabled or disabled randomly
in all tests.
## Verifying this change
- Not covered (yet).
## 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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