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https://issues.apache.org/jira/browse/FLINK-9457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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boshu Zheng reassigned FLINK-9457:
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Assignee: boshu Zheng (was: vinoyang)
> Cancel container requests when cancelling pending slot allocations
> ------------------------------------------------------------------
>
> Key: FLINK-9457
> URL: https://issues.apache.org/jira/browse/FLINK-9457
> Project: Flink
> Issue Type: Improvement
> Components: ResourceManager, YARN
> Affects Versions: 1.5.0
> Reporter: Till Rohrmann
> Assignee: boshu Zheng
> Priority: Major
> Fix For: 1.6.4, 1.7.2, 1.8.0
>
>
> When cancelling a pending slot allocation request on the {{ResourceManager}},
> then we should also check whether we still need all the requested containers.
> If it turns out that we no longer need them, then we should try to cancel the
> unnecessary container requests. That way Flink will be, for example, a better
> Yarn citizen which quickly releases resources and resource requests if no
> longer needed.
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