Monthly Archives: September 2013

Reading JVM Output in Hadoop

This post works with Hadoop 1.0.3 I was trying to read the output from garbage collection verbose (-verbose:gc) on the ChildJVMs (the JVMs in Hadoop that actually execute the map/reduce tasks). There is a log directory that you could set … Continue reading

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Passing JVM options into Child JVM of Hadoop

This is work done with Hadoop 1.0.3, I am trying to add the option of displaying garbage collection to the Child JVMs created by Hadoop TaskTracker that executes the map/reduce tasks. There is a way to do this without modifying … Continue reading

Posted in Hadoop Research, HJ-Hadoop Improvements, Uncategorized | Leave a comment