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https://issues.apache.org/jira/browse/YARN-4784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15251403#comment-15251403
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Karthik Kambatla commented on YARN-4784:
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The patch looks reasonable to me. However, I would like to mark this
incompatible, just so users who set up only one level of queues and want them
all to be FIFO aren't affected by this.
> fair scheduler: defaultQueueSchedulingPolicy should not accept fifo as a value
> ------------------------------------------------------------------------------
>
> Key: YARN-4784
> URL: https://issues.apache.org/jira/browse/YARN-4784
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: fairscheduler
> Affects Versions: 2.7.0
> Reporter: Yufei Gu
> Assignee: Yufei Gu
> Attachments: YARN-4784.001.patch, YARN-4784.002.patch
>
>
> The configure item defaultQueueSchedulingPolicy should not accept fifo as a
> value since it is an invalid value for non-leaf queues.
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