Adding Hadoop settings to IBM Spectrum Symphony

Your IBM® Spectrum Symphony may require settings to run Hadoop with the MapReduce framework in IBM Spectrum Symphony.

About this task

Follow these steps only if the following criteria is true:
  • You did not set the HADOOP_HOME environment variable before installing IBM Spectrum Symphony, and
  • Your application requires settings from Hadoop (for example, the value for the temporary directory in Grep defined by fs.default.name in the core-site.xml file).
Note: If you are not sure whether your application needs settings from Hadoop, we recommend that you complete these steps.

Procedure

  1. On the job submission host, open the pmr-env.sh file under the ${PMR_HOME}/conf/ directory.
  2. Set PMR_EXTERNAL_CONFIG_PATH to your Hadoop configuration directory. For example: 
    export PMR_EXTERNAL_CONFIG_PATH=/opt/hadoop-2.7.2/etc/hadoop