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https://issues.apache.org/jira/browse/HADOOP-10042?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Suresh Srinivas resolved HADOOP-10042.
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Resolution: Invalid
> Heap space error during copy from maptask to reduce task
> --------------------------------------------------------
>
> Key: HADOOP-10042
> URL: https://issues.apache.org/jira/browse/HADOOP-10042
> Project: Hadoop Common
> Issue Type: Bug
> Components: conf
> Affects Versions: 1.2.1
> Environment: Ubuntu cluster
> Reporter: Dieter De Witte
> Fix For: 1.2.1
>
> Attachments: mapred-site.OLDxml
>
>
> http://stackoverflow.com/questions/19298357/out-of-memory-error-in-mapreduce-shuffle-phase
> I've described the problem on stackoverflow as well. It contains a link to
> another JIRA:
> http://hadoop-common.472056.n3.nabble.com/Shuffle-In-Memory-OutOfMemoryError-td433197.html
> My errors are completely the same: out of memory error when
> mapred.job.shuffle.input.buffer.percent = 0.7, the program does work when I
> put it to 0.2, does this mean the original JIRA was not resolved?
> Does anybody have an idea whether this is a mapreduce issue or is it a
> misconfiguration from my part?
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