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https://issues.apache.org/jira/browse/YARN-7520?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16274291#comment-16274291
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Sunil G commented on YARN-7520:
-------------------------------
In {{PriorityUtilizationQueueOrderingPolicy#compare}}, we have an else
condition as follows.
{code}
else {
return 0;
}
{code}
This will happen when q1AbsCapacity = 0 && q2AbsCapacity = 0. I think when
capacity is 0, but max capacity is configured, some of this queue might using
some capacity. so we have to compare with used capacity here
> Queue Ordering policy changes for ordering auto created leaf queues within
> Managed parent Queues
> ------------------------------------------------------------------------------------------------
>
> Key: YARN-7520
> URL: https://issues.apache.org/jira/browse/YARN-7520
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacity scheduler
> Reporter: Suma Shivaprasad
> Assignee: Suma Shivaprasad
> Attachments: YARN-7520.1.patch, YARN-7520.2.patch
>
>
> Queue Ordering policy currently uses priority, utilization and absolute
> capacity for pre-configured parent queues to order leaf queues while
> assigning containers. It needs modifications for auto created leaf queues
> since they can have zero capacity
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