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From "Bhallamudi Venkata Siva Kamesh (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3927) Shuffle hang when set map.failures.percent
Date Tue, 27 Mar 2012 06:53:42 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13239261#comment-13239261
] 

Bhallamudi Venkata Siva Kamesh commented on MAPREDUCE-3927:
-----------------------------------------------------------

Shouldn't we add notifyAll() when the remaining maps is zero?
                
> Shuffle hang when set map.failures.percent
> ------------------------------------------
>
>                 Key: MAPREDUCE-3927
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3927
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.21.0, 0.23.0
>            Reporter: MengWang
>              Labels: patch
>             Fix For: 0.24.0
>
>         Attachments: MAPREDUCE-3927.patch, MAPREDUCE-3927.patch
>
>
> When set mapred.max.map.failures.percent and there does have some failed maps, then shuffle
will hang

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