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https://issues.apache.org/jira/browse/MAPREDUCE-6334?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinod Kumar Vavilapalli updated MAPREDUCE-6334:
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Target Version/s: 2.7.1, 2.6.2 (was: 2.7.1)
Targeting 2.6.2 per Eric's comment in the mailing lists.
> Fetcher#copyMapOutput is leaking usedMemory upon IOException during
> InMemoryMapOutput shuffle handler
> -----------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-6334
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6334
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 2.7.0
> Reporter: Eric Payne
> Assignee: Eric Payne
> Priority: Blocker
> Fix For: 2.7.1
>
> Attachments: MAPREDUCE-6334.001.patch, MAPREDUCE-6334.002.patch
>
>
> We are seeing this happen when
> - an NM's disk goes bad during the creation of map output(s)
> - the reducer's fetcher can read the shuffle header and reserve the memory
> - but gets an IOException when trying to shuffle for InMemoryMapOutput
> - shuffle fetch retry is enabled
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