There are a variety of mechanisms to test your Hadoop installation - The Installation and Operational Qualification or IOQ is included and installed with your RRE installation.
The Hadoop IOQ scripts are part of a standard installation in the ‘demoScripts’ directory, i.e. (from R) testDir = rxGetOption("demoScriptsDir") On Windows with RRE 7.3: C:\Revolution\R-Enterprise-7.3\R-3.1.1\library\RevoScaleR\demoScripts HadoopIOQ_SetupAndRun.R HadoopIOQ_Tests.R Run the scripts. This may take 30 minutes or more. When the HTML returns you can review and address any errors.