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https://issues.apache.org/jira/browse/MAPREDUCE-4730?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Lowe updated MAPREDUCE-4730:
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Attachment: MAPREDUCE-4730.patch
Added a test case for the EventFetcher that verifies it now immediately asks
for events as long as it received a max 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, MAPREDUCE-4730.patch,
> 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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