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Posted to yarn-issues@hadoop.apache.org by "Arun Suresh (JIRA)" <ji...@apache.org> on 2015/05/19 03:09:00 UTC

[jira] [Created] (YARN-3676) Disregard 'assignMultiple' directive while scheduling apps with NODE_LOCAL resource requests

Arun Suresh created YARN-3676:
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             Summary: Disregard 'assignMultiple' directive while scheduling apps with NODE_LOCAL resource requests
                 Key: YARN-3676
                 URL: https://issues.apache.org/jira/browse/YARN-3676
             Project: Hadoop YARN
          Issue Type: Bug
          Components: fairscheduler
            Reporter: Arun Suresh
            Assignee: Arun Suresh


AssignMultiple is generally set to false to prevent overloading a Node (for eg, new NMs that have just joined)

A possible scheduling optimization would be to disregard this directive for apps whose allowed locality is NODE_LOCAL



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