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From "Daniel Templeton (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-6776) yarn.app.mapreduce.client.job.max-retries should have a more useful default
Date Mon, 12 Sep 2016 20:40:21 GMT
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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