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Posted to yarn-dev@hadoop.apache.org by "Sandy Ryza (JIRA)" <ji...@apache.org> on 2013/01/01 22:28:12 UTC

[jira] [Created] (YARN-302) Fair scheduler assignmultiple should default to false

Sandy Ryza created YARN-302:
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             Summary: 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


The MR1 default was false.  When true, it results in overloading some machines with many tasks and underutilizing others.

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