[jira] [Created] (SPARK-41419) [K8S] Decrement PVC_COUNTER when the pod deletion happens

["Ted Yu (Jira)" <ji...@apache.org>]

Ted Yu created SPARK-41419:
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             Summary: [K8S] Decrement PVC_COUNTER when the pod deletion happens 
                 Key: SPARK-41419
                 URL: https://issues.apache.org/jira/browse/SPARK-41419
             Project: Spark
          Issue Type: Task
          Components: Kubernetes
    Affects Versions: 3.4.0
            Reporter: Ted Yu


commit cc55de3 introduced PVC_COUNTER to track outstanding number of PVCs.

PVC_COUNTER should only be decremented when the pod deletion happens (in response to error).

If the PVC isn't created successfully (where PVC_COUNTER isn't incremented) (possibly due to execution not reaching resource(pvc).create() call), we shouldn't decrement the counter.
variable `success` tracks the progress of PVC creation:

value 0 means PVC is not created.
value 1 means PVC has been created.
value 2 means PVC has been created but due to subsequent error, the pod is deleted.





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