FangYongs opened a new pull request, #23101:
URL: https://github.com/apache/flink/pull/23101
## What is the purpose of the change
This PR aims to not save job which without restart strategy to job writer
and store.
In olap scenario, jobs always has no restart strategy. It will increase
latency if the jobs are saved to zookeeper or configmap for k8s. It is not
necessary for the jobs without restart strategy to save these information.
## Brief change log
- Add DispatcherJobStorage for Dispatcher to manage job writer and store
- Register job to DispatcherJobStorage if it has no restart strategy
- Do not save job information if job has no restart strategy
- Unregister job in DispatcherJobStorage when job reaches termination
## Verifying this change
This change added tests and can be verified as follows:
- Added `testCleanupWhenJobFinishedWithNoRestart` and
`testCleanupWhenJobCanceledWithNoRestart` to test register and unregister in
Dispatcher
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (yes / no) no
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (yes / no) no
- The serializers: (yes / no / don't know) no
- The runtime per-record code paths (performance sensitive): (yes / no /
don't know) no
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Kubernetes/Yarn, ZooKeeper: (yes / no / don't know)
no
- The S3 file system connector: (yes / no / don't know) no
## Documentation
- Does this pull request introduce a new feature? (yes / no) no
- If yes, how is the feature documented? (not applicable / docs / JavaDocs
/ not documented)
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