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Date: Wed, 27 Jul 2011 13:33:10 +0000 (UTC)
From: "Robert Joseph Evans (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
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Subject: [jira] [Commented] (MAPREDUCE-2723) MR-279: port MAPREDUCE-2324 to
 mrv2
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-2723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13071717#comment-13071717 ] 

Robert Joseph Evans commented on MAPREDUCE-2723:
------------------------------------------------

Those notes are for MAPREDUCE-2732 (I just found it)

> MR-279: port MAPREDUCE-2324 to mrv2
> -----------------------------------
>
>                 Key: MAPREDUCE-2723
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2723
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>             Fix For: 0.23.0
>
>
> MRV2 currently does not take reduce disk usage into account when trying to schedule a container.  For feature parity with the original map reduce it should be extended to allow for disk space requests within containers along with RAM requests.  We then also need to port MAPREDUCE-2324 to the scheduler to allow it to avoid starvation of containers that might never get the resources that they need.

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