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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2053) OutOfMemoryError : Java heap space errors in hadoop 0.14
Date Tue, 16 Oct 2007 13:40:51 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12535247
] 

Hudson commented on HADOOP-2053:
--------------------------------

Integrated in Hadoop-Nightly #274 (See [http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Nightly/274/])

> OutOfMemoryError : Java heap space errors in hadoop 0.14
> --------------------------------------------------------
>
>                 Key: HADOOP-2053
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2053
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.14.0, 0.14.1, 0.14.2
>            Reporter: lohit vijayarenu
>            Assignee: Arun C Murthy
>            Priority: Blocker
>             Fix For: 0.14.3
>
>         Attachments: HADOOP-2053_1_20071015.patch
>
>
> In recent hadoop 0.14 we are seeing few jobs where map taskf fail with java.lang.OutOfMemoryError:
Java heap space problem
> These were the same jobs which used to work fine with 0.13
> <stack>
> task_200710112103_0001_m_000015_1: java.lang.OutOfMemoryError: Java heap space
> 	at java.util.Arrays.copyOf(Arrays.java:2786)
> 	at java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:94)
> 	at java.io.DataOutputStream.write(DataOutputStream.java:90)
> 	at org.apache.hadoop.io.Text.write(Text.java:243)
> 	at org.apache.hadoop.mapred.MapTask$MapOutputBuffer.collect(MapTask.java:340)
> </stack>

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