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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4292) Job is hanging forever when some maps are failing always
Date Thu, 31 May 2012 13:53:23 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4292?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13286568#comment-13286568
] 

Jason Lowe commented on MAPREDUCE-4292:
---------------------------------------

If this is caused by mapred.max.map.failures.percent being non-zero then this is a duplicate
of MAPREDUCE-3927.
                
> Job is hanging forever when some maps are failing always
> --------------------------------------------------------
>
>                 Key: MAPREDUCE-4292
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4292
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 2.0.0-alpha
>            Reporter: Nishan Shetty
>            Assignee: Devaraj K
>            Priority: Critical
>         Attachments: syslog
>
>
> Set property "mapred.reduce.tasks" to some value greater than zero
> I have a job in which some maps are failing always. 
> Observations:
> 1.Map phase is completing with 100%(with succeeded and failed maps). 
> 2.Reduce phase is not progressing further after 32%.
> 3.After map phase is completed job is hanging forever.
> Expected that job should be failed after waiting for some time.

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