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From "Subru Krishnan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3969) Allow jobs to be submitted to reservation that is active but does not have any allocations
Date Fri, 24 Jul 2015 19:39:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-3969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14640977#comment-14640977
] 

Subru Krishnan commented on YARN-3969:
--------------------------------------

Thanks [~curino] for reviewing and committing the patch.

> 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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