maxCodeVector opened a new pull request #18854:
URL: https://github.com/apache/flink/pull/18854
## What is the purpose of the change
When creating Task Manager (TM) Pod, the fabric client will query the
Kubernetes deployment to set owner reference for the TM pod. However, repeating
to querying the deployment each time is unnecessary which will waste a lot of
time.
This change solves this problem by saving the Kubernetes deployment object
in memory.
## Brief change log
Save the master deployment reference as a field of Fabric8FlinkKubeClient
when the method "createTaskManagerPod()" is called for the first time and then
get it directly in the following invocation.
## Verifying this change
This change is already covered by existing tests, such as:
Fabric8FlinkKubeClientTest#testCreateFlinkTaskManagerPod()
Fabric8FlinkKubeClientTest#testStopAndCleanupCluster()
## 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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