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https://issues.apache.org/jira/browse/YARN-3969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14640680#comment-14640680
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Akira AJISAKA commented on YARN-3969:
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Thanks a lot! Would you move YARN-3969 section to 2.7.2 in CHANGES.txt also?
> Allow jobs to be submitted to reservation that is active but does not have
> any allocations
> ------------------------------------------------------------------------------------------
>
> Key: YARN-3969
> URL: https://issues.apache.org/jira/browse/YARN-3969
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacityscheduler, fairscheduler, resourcemanager
> Reporter: Subru Krishnan
> Assignee: Subru Krishnan
> Fix For: 2.8.0, 2.7.1
>
> Attachments: YARN-3969-v1.patch, YARN-3969-v2.patch
>
>
> YARN-1051 introduces the notion of reserving resources prior to job
> submission. A reservation is active from its arrival time to deadline but in
> the interim there can be instances of time when it does not have any
> resources allocated. We reject jobs that are submitted when the reservation
> allocation is zero. Instead we should accept & queue the jobs till the
> resources become available.
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