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From "Tom White (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-302) Fair scheduler assignmultiple should default to false
Date Tue, 15 Jan 2013 16:22:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-302?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13553948#comment-13553948
] 

Tom White commented on YARN-302:
--------------------------------

+1
                
> Fair scheduler assignmultiple should default to false
> -----------------------------------------------------
>
>                 Key: YARN-302
>                 URL: https://issues.apache.org/jira/browse/YARN-302
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager, scheduler
>    Affects Versions: 2.0.2-alpha
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>         Attachments: YARN-302.patch
>
>
> The MR1 default was false.  When true, it results in overloading some machines with many
tasks and underutilizing others.

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