reswqa opened a new pull request, #21839:
URL: https://github.com/apache/flink/pull/21839
## What is the purpose of the change
*In auto parallelism mode, If we set `HybridPartitionDataConsumeConstraint`
to `ONLY_FINISHED_PRODUCERS` or `UNFINISHED_PRODUCERS`, the task scheduling
behavior is actually consistent with `ALL_PRODUCERS_FINISHED` as consumer's
parallelism is decided only when all producer finished, which will confuse
users.*
## Brief change log
- *Set HybridPartitionDataConsumeConstraint to `ALL_PRODUCERS_FINISHED`
and print log when auto parallelism enabled.*
## Verifying this change
This change added tests.
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): no
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: no
- The serializers:: no
- The runtime per-record code paths (performance sensitive): no
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn, ZooKeeper: no
- The S3 file system connector: no
## Documentation
- Does this pull request introduce a new feature? no
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