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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6776) yarn.app.mapreduce.client.job.max-retries should have a more useful default
Date Mon, 03 Oct 2016 01:37:20 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6776?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15541301#comment-15541301
] 

Karthik Kambatla commented on MAPREDUCE-6776:
---------------------------------------------

I think we should put this in branch-2, but mark it incompatible as Hitesh suggested. 

> 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: Miklos Szegedi
>         Attachments: MAPREDUCE-6776.001.patch, MAPREDUCE-6776.002.patch, MAPREDUCE-6776.003.patch
>
>
> The default is 0, so any communication failure 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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