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This guide is meant to guide and give suggestions as to how to setup and configure the Hadoop installation once you have completed the RPM installation instructions found here: Infinit.e-hadoop-installer.

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To change the mapreduce settings click on the mapreduce1 service and then click the configuration button at the top, you should come to a screen like this:

Warning

The following items must be changed for the full functionality of Infinit.e to be available:

  • Set "MapReduce Service Environment Safety Valve" to 'HADOOP_TASKTRACKER_OPTS="-Djava.security.policy=/opt/infinite-home/config/security.policy $HADOOP_TASKTRACKER_OPTS"'
  • Set "Map Tasks Speculative Execution" and " " to be false

We recommend changing these items:

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