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Posted to mapreduce-dev@hadoop.apache.org by "Amar Kamat (Resolved) (JIRA)" <ji...@apache.org> on 2012/03/27 03:39:25 UTC

[jira] [Resolved] (MAPREDUCE-4013) Reduce task gets stuck when a M/R job is configured to tolerate failures

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4013?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Amar Kamat resolved MAPREDUCE-4013.
-----------------------------------

    Resolution: Duplicate

Duplicate of MAPREDUCE-3927.
                
> Reduce task gets stuck when a M/R job is configured to tolerate failures
> ------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4013
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4013
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.2
>            Reporter: Amar Kamat
>            Priority: Blocker
>              Labels: shuffle
>             Fix For: 0.24.0
>
>         Attachments: MAPREDUCE-4013.patch
>
>
> When a M/R job is configured to run with some tolerance to task failures (via mapreduce.map.failures.maxpercent), then the reduce task of that job gets stuck in the shuffle phase. 

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