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Posted to mapreduce-dev@hadoop.apache.org by "Daniel Templeton (JIRA)" <ji...@apache.org> on 2016/09/12 20:40:21 UTC

[jira] [Created] (MAPREDUCE-6776) yarn.app.mapreduce.client.job.max-retries should have a more useful default

Daniel Templeton created MAPREDUCE-6776:
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             Summary: yarn.app.mapreduce.client.job.max-retries should have a more useful default
                 Key: MAPREDUCE-6776
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6776
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: client
    Affects Versions: 2.8.0
            Reporter: Daniel Templeton
            Assignee: Daniel Templeton


The default is 0, so any communication results in a client failure.  Oozie doesn't like that.  If the RM is failing over and Oozie gets a communication failure, it assumes the target job has failed.  I propose raising the default to something modest like 3 or 5.  The default retry interval is 2s.



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