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Posted to yarn-issues@hadoop.apache.org by "Wangda Tan (JIRA)" <ji...@apache.org> on 2017/01/11 03:08:58 UTC

[jira] [Updated] (YARN-6081) LeafQueue#getTotalPendingResourcesConsideringUserLimit should deduct reserved from pending to avoid unnecessary preemption of reserved container

     [ https://issues.apache.org/jira/browse/YARN-6081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wangda Tan updated YARN-6081:
-----------------------------
    Attachment: YARN-6081.001.patch

Attached ver.1 patch.

> LeafQueue#getTotalPendingResourcesConsideringUserLimit should deduct reserved from pending to avoid unnecessary preemption of reserved container
> ------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-6081
>                 URL: https://issues.apache.org/jira/browse/YARN-6081
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>            Priority: Critical
>         Attachments: YARN-6081.001.patch
>
>
> While doing YARN-5864 tests, found an issue when a queue's reserved > pending. PreemptionResourceCalculator will preempt reserved container even if there's only one active queue in the cluster. 
> To fix the problem, we need to deduct reserved from pending when getting total-pending resource for LeafQueue.



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