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From "Nishan Shetty (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-580) Delay scheduling in capacity scheduler is not ensuring 100% locality
Date Tue, 16 Apr 2013 12:31:17 GMT
Nishan Shetty created YARN-580:
----------------------------------

             Summary: Delay scheduling in capacity scheduler is not ensuring 100% locality
                 Key: YARN-580
                 URL: https://issues.apache.org/jira/browse/YARN-580
             Project: Hadoop YARN
          Issue Type: Bug
          Components: scheduler
    Affects Versions: 2.0.1-alpha, 2.0.2-alpha
            Reporter: Nishan Shetty


Example
--------
Machine1: 3 blocks
Machine2: 2 blocks
Machine3: 1 blocks

When we run job on this data, node locality is not ensured 100%

Tasks run like below even if slots are available in all nodes:
--------------
Machine1: 4Task
Machine2: 2Task
Machine3: No task 


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