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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 edited comment on YARN-7520 at 12/1/17 11:42 AM:
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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 be
using some capacity. so we have to compare with used capacity here, correct?
was (Author: sunilg):
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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