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https://issues.apache.org/jira/browse/MAPREDUCE-4730?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13479311#comment-13479311
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Jason Lowe commented on MAPREDUCE-4730:
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Is the 1 second sleep necessary? Seems like we could eliminate that sleep if
we got a maximum-sized response?
> 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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