nicoweidner opened a new pull request #17762:
URL: https://github.com/apache/flink/pull/17762
## What is the purpose of the change
*Add a configuration option that allows to keep the cluster running after
the application finishes in application mode. The default value is set to false
(meaning that the cluster will shut down), so current behavior is unaffected.*
## Brief change log
- *Added config option execution.shutdown-on-application-finish*
- *Refactored code in ApplicationDispatcherBootstrap and corresponding
tests to make it easier to understand/modify and reduce duplication*
## Verifying this change
This change added tests and can be verified as follows:
- *Added unit tests in ApplicationDispatcherBootstrapTest that verify
cluster shutdown is not called if the configuration option is enabled*
- *Can be tested manually by starting a job in application mode with the
new config option enabled, then cancelling the job. The cluster and Web UI stay
alive and can be terminated via a call to
https://nightlies.apache.org/flink/flink-docs-master/docs/ops/rest_api/#cluster*
## 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? only via config option description
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