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From "Robert Joseph Evans (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3927) Shuffle hang when set map.failures.percent
Date Tue, 28 Feb 2012 19:13:47 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3927?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13218496#comment-13218496

Robert Joseph Evans commented on MAPREDUCE-3927:

Just a quick look at the patch it looks good to me, but I really would like to see a unit
test that can reproduce the issue.  That way we know for sure that it is fixed, and that it
does not get broken again in the future.
> 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: 0.23.1
>         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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