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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAPREDUCE-143) OOM in the TaskTracker while serving map outputs
Date Mon, 21 Jul 2014 19:46:40 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-143?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Allen Wittenauer resolved MAPREDUCE-143.
----------------------------------------

    Resolution: Incomplete

Closing as stale.

> OOM in the TaskTracker while serving map outputs
> ------------------------------------------------
>
>                 Key: MAPREDUCE-143
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-143
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Devaraj Das
>
> Saw this exception in the TT logs:
> 2009-02-06 06:18:08,553 ERROR org.mortbay.log: EXCEPTION
> java.lang.OutOfMemoryError: GC overhead limit exceeded
> 2009-02-06 06:18:11,247 ERROR org.mortbay.log: Error for /mapOutput
> java.lang.OutOfMemoryError: GC overhead limit exceeded
> 2009-02-06 06:18:11,247 ERROR org.mortbay.log: Error for /mapOutput
> java.lang.OutOfMemoryError: Java heap space
>         at java.nio.HeapByteBuffer.<init>(HeapByteBuffer.java:39)
>         at java.nio.ByteBuffer.allocate(ByteBuffer.java:312)
>         at org.mortbay.io.nio.IndirectNIOBuffer.<init>(IndirectNIOBuffer.java:28)
>         at org.mortbay.jetty.nio.AbstractNIOConnector.newBuffer(AbstractNIOConnector.java:71)
>         at org.mortbay.jetty.AbstractBuffers.getBuffer(AbstractBuffers.java:131)
>         at org.mortbay.jetty.HttpGenerator.addContent(HttpGenerator.java:145)
>         at org.mortbay.jetty.AbstractGenerator$Output.write(AbstractGenerator.java:642)
>         at org.mortbay.jetty.AbstractGenerator$Output.write(AbstractGenerator.java:577)
>         at org.apache.hadoop.mapred.TaskTracker$MapOutputServlet.doGet(TaskTracker.java:2879)



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