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https://issues.apache.org/jira/browse/YARN-302?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13553948#comment-13553948
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Tom White commented on YARN-302:
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+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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