wanglijie95 opened a new pull request #18462:
URL: https://github.com/apache/flink/pull/18462
## What is the purpose of the change
Introduce AdaptiveBatchScheduler, which can automatically decide
parallelisms of job vertices for batch jobs.
## Brief change log
ba370fbb3323668cbd9cd5b81858ebe09a82c785 Introduce AdaptiveBatchScheduler.
4c28b1cd8efefa96ef9c0d7d4e425ed1a4ca8155 AdaptiveBatchScheduler updates
JobGraph and JsonPlan each time the parallelism is changed
## Verifying this change
UT `AdaptiveBatchSchedulerTest`
ITCase `AdaptiveBatchSchedulerITCase`
## 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? (**yes**)
- If yes, how is the feature documented? (**JavaDocs**)
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