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From "Sandy Ryza (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAPREDUCE-3946) If a resource requirement is higher than available on any node, job should fail early
Date Fri, 03 May 2013 23:24:17 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3946?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sandy Ryza resolved MAPREDUCE-3946.
-----------------------------------

    Resolution: Duplicate
    
> If a resource requirement is higher than available on any node, job should fail early
> -------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3946
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3946
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 0.24.0, 0.23.2
>            Reporter: Todd Lipcon
>
> If you configure the NMs to have 1GB of RAM each, and then try to submit a job which
has an AM resource requirement of 1.5GB, the job will neither run nor fail. Instead, it will
slowly sop of all of the resources in the cluster as "reservations" despite the fact that
it will never be able to schedule something. Instead, it should fail early indicating that
the required memory allocation is infeasible.

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