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From "Hudson (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 Sat, 25 Jul 2015 15:42:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-3969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14641687#comment-14641687
] 

Hudson commented on YARN-3969:
------------------------------

SUCCESS: Integrated in Hadoop-Mapreduce-trunk #2213 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2213/])
YARN-3969. Allow jobs to be submitted to reservation that is active but does not have any
allocations. (subru via curino) (Carlo Curino: rev 0fcb4a8cf2add3f112907ff4e833e2f04947b53e)
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestReservationQueue.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/ReservationQueue.java
* hadoop-yarn-project/CHANGES.txt
YARN-3969. Updating CHANGES.txt to reflect the correct set of branches where this is committed
(Carlo Curino: rev fc42fa8ae3bc9d6d055090a7bb5e6f0c5972fcff)
* hadoop-yarn-project/CHANGES.txt


> 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, 2.7.2
>
>         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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