Yang Wang created FLINK-25865:
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Summary: Support to set restart policy of TaskManager pod for
native K8s integration
Key: FLINK-25865
URL: https://issues.apache.org/jira/browse/FLINK-25865
Project: Flink
Issue Type: Improvement
Components: Deployment / Kubernetes
Reporter: Yang Wang
After FLIP-201, Flink's TaskManagers will be able to be restarted without
losing its local state. So it is reasonable to make the restart policy[1] of
TaskManager pod could be configured.
The current restart policy is {{{}Never{}}}. Flink will always delete the
failed TaskManager pod directly and create a new one instead. This ticket could
help to decrease the recovery time of TaskManager failure.
Please note that the working directory needs to be located in the emptyDir[1],
which is retained in different restarts.
[1].
https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#restart-policy
[2]. https://kubernetes.io/docs/concepts/storage/volumes/#emptydir
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