zhuzhurk opened a new pull request, #20039:
URL: https://github.com/apache/flink/pull/20039
## What is the purpose of the change
Currently, the DefaultScheduler(base of AdaptiveBatchScheduler) can only
perform ExecutionVertex level deployment. However, in this case, the scheduler
is actually deploying the current execution attempt of the ExecutionVertex.
Therefore, we need to rework the DefaultScheduler to directly deploy
executions.
## Brief change log
- *Introduced ExecutionDeployer which is responsible for deploying
executions*
- *Implemented DefaultExecutionDeployer*
- *Change DefaultScheduler to use ExecutionDeployer to deploy tasks*
## Verifying this change
- *Added unit tests DefaultExecutionDeployerTest*
- *The existing DefaultSchedulerTest and all other IT cases can help to
verify the changes*
## 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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