The console output as well as the AM logs show that the TaskAttempts are failing because they are out of heap-space. See your configuration below, you should bump them up.
HTH, +Vinod Kumar Vavilapalli Hortonworks Inc. http://hortonworks.com/ On Sep 14, 2012, at 6:15 AM, Tao wrote: > <!-- Larger heap-size for child jvms of maps --> > <property> > <name>mapreduce.map.java.opts</name> > <value>-Xmx128m</value> > </property> > > <!-- Larger resource limit for reduces --> > <property> > <name>mapreduce.reduce.memory.mb</name> > <value>512</value> > </property> > > <!-- Larger heap-size for child jvms of reduces --> > <property> > <name>mapreduce.reduce.java.opts</name> > <value>-Xmx256m</value> > </property>
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