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From "Dieter De Witte (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-10042) Heap space error during copy from maptask to reduce task
Date Fri, 11 Oct 2013 11:59:43 GMT
Dieter De Witte created HADOOP-10042:

             Summary: 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


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

Does anybody have an idea whether this is a mapreduce issue or is it a misconfiguration from
my part?

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