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Posted to yarn-issues@hadoop.apache.org by "Tao Yang (JIRA)" <ji...@apache.org> on 2017/11/10 09:01:00 UTC

[jira] [Updated] (YARN-7471) queueUsagePercentage is wrongly calculated for applications in zero-capacity queues

     [ https://issues.apache.org/jira/browse/YARN-7471?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tao Yang updated YARN-7471:
---------------------------
    Attachment: YARN-7471.001.patch

> queueUsagePercentage is wrongly calculated for applications in zero-capacity queues
> -----------------------------------------------------------------------------------
>
>                 Key: YARN-7471
>                 URL: https://issues.apache.org/jira/browse/YARN-7471
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: capacityscheduler
>    Affects Versions: 3.0.0-alpha4
>            Reporter: Tao Yang
>            Assignee: Tao Yang
>         Attachments: YARN-7471.001.patch
>
>
> For applicaitons in zero-capacity queues, queueUsagePercentage is wrongly calculated to INFINITY with expression (queueUsagePercentage = usedResource / (totalPartitionRes * queueAbsMaxCapPerPartition) when the queueAbsMaxCapPerPartition=0.
> We can add a precondition （queueAbsMaxCapPerPartition != 0） before this calculation to fix this problem.



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