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https://issues.apache.org/jira/browse/FLINK-18228?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yang Wang closed FLINK-18228.
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Resolution: Duplicate
> Release pending pods/containers timely when pending slots changed
> -----------------------------------------------------------------
>
> Key: FLINK-18228
> URL: https://issues.apache.org/jira/browse/FLINK-18228
> Project: Flink
> Issue Type: Improvement
> Components: Deployment / Kubernetes, Deployment / YARN, Runtime /
> Coordination
> Affects Versions: 1.12.0
> Reporter: Yang Wang
> Priority: Major
>
> Currently, when we deploy a session cluster on Yarn/K8s and submit a job into
> the existing cluster, some pending pods/containers may be created due to no
> enough resource. Even the job will fail with slot allocation timeout or be
> canceled, the pending pods/containers will still be there. Until allocated
> and launched, they could be released via TaskManager idle timeout.
>
> This behavior how to release the pending pods/containers could be improved.
> Once the pending slots changed in the {{SlotManager}}, it could notify the
> {{ActiveResourceManager}} to do some corresponding actions(e.g. release the
> needless pending pods). This will help a lot when the cluster is small and do
> not have too much available resources.
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