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https://issues.apache.org/jira/browse/FLINK-21667?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17324636#comment-17324636
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Xintong Song commented on FLINK-21667:
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A PR has been opened for this ticket. We are waiting for the release 1.13
branch cut.
> Standby RM might remove resources from Kubernetes
> -------------------------------------------------
>
> Key: FLINK-21667
> URL: https://issues.apache.org/jira/browse/FLINK-21667
> Project: Flink
> Issue Type: Bug
> Components: Deployment / Kubernetes, Runtime / Coordination
> Affects Versions: 1.12.2
> Reporter: Xintong Song
> Assignee: Xintong Song
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.14.0
>
>
> Currently, on initialization {{KubernetesResourceManagerDriver}} starts a
> watch for receiving pod events. It could happen that it starts to receive
> events before obtaining leadership. Consequently, a standby RM may remove
> terminated pods from Kubernetes during handling the events.
> This is not very damaging atm, since the removed pods are already terminated
> anyway. However, it would still be good for a standby RM to strictly
> following the contract and make no modifications before obtaining leadership.
> We might consider to postpone starting of the watch to when the leadership is
> granted.
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