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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4730) AM crashes due to OOM while serving up map task completion events
Date Fri, 19 Oct 2012 00:30:05 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4730?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13479532#comment-13479532
] 

Vinod Kumar Vavilapalli commented on MAPREDUCE-4730:
----------------------------------------------------

bq. Seems like we could eliminate that sleep if we got a maximum-sized response?
+1.
                
> AM crashes due to OOM while serving up map task completion events
> -----------------------------------------------------------------
>
>                 Key: MAPREDUCE-4730
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4730
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: applicationmaster, mrv2
>    Affects Versions: 0.23.3
>            Reporter: Jason Lowe
>            Assignee: Jason Lowe
>            Priority: Blocker
>         Attachments: MAPREDUCE-4730.patch
>
>
> We're seeing a repeatable OOM crash in the AM for a task with around 30000 maps and 3000
reducers.  Details to follow.

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