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CDH 5 is configured to use MapReduce 2 by default. If you want to use MapReduce 1 instead, you will need to change a properties file. If you are not sure what version of MapReduce your CDH 5 cluster is using, check with your system administrator.

To specify configuration settings, complete these steps.

  1. Open the config.properties file for the components you want to access CDH 5 from. The config.properties file appears in these directories.
  • DI Server - data-integration-server/pentaho-solutions/system/kettle/plugins/pentaho-big-data-plugin/hadoop-configurations/cdh50beta
  • BA Server - biserver-ee/pentaho-solutions/system/kettle/plugins/pentaho-big-data-plugin/hadoop-configurations/cdh50beta
  • Spoon - data-integration/plugins/pentaho-big-data-plugin/hadoop-configurations/cdh50beta
  • Report Designer - report-designer/plugins/pentaho-big-data-plugin/hadoop-configurations/cdh50beta
  • Metadata Editor - metadata-editor/plugins/pentaho-big-data-plugin/hadoop-configurations/cdh50beta

      2. Find the line of code that looks like this:

          shim.current.config=mr2

      3. To configure the shim to use MapReduce 1, change mr2 to mr1 like this:

          shim.current.config=mr1

      4. Save and close the file.

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