Purushotham Pushpavanthar created SPARK-61268:
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Summary: Track Unschedulable executor pods as a distinct pod state
and log the scheduler reason
Key: SPARK-61268
URL: https://issues.apache.org/jira/browse/SPARK-61268
Project: Spark
Issue Type: Improvement
Components: Kubernetes
Affects Versions: 5.0.0
Reporter: Purushotham Pushpavanthar
ExecutorPodsSnapshot maps every Pending pod to PodPending and ignores the
PodScheduled=False, reason=Unschedulable condition, so a pod that cannot be
placed looks identical to one about to start and the reason is only visible via
kubectl describe. Add a PodUnschedulable state (a sub-state of pending for all
existing counting) carrying the scheduler's message, and have
ExecutorPodsAllocator log it once per pod. Prerequisite for SPARK-61258 but
useful on its own.
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