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https://issues.apache.org/jira/browse/MAPREDUCE-6334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14519525#comment-14519525
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Hudson commented on MAPREDUCE-6334:
-----------------------------------
FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #179 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/179/])
MAPREDUCE-6334. Fetcher#copyMapOutput is leaking usedMemory upon IOException
during InMemoryMapOutput shuffle handler. Contributed by Eric Payne (jlowe: rev
bc1bd7e5c4047b374420683d36a8c30eda6d75b6)
*
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/task/reduce/TestFetcher.java
*
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/task/reduce/Fetcher.java
* hadoop-mapreduce-project/CHANGES.txt
> 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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