Run a MapReduce job Run a PiEstimator job to manually verify that the Cloudera Base on premises installation was successful. Running a MapReduce job using CLIRun the Hadoop PiEstimator example job on your cluster to verify that your Cloudera Runtime installation completed successfully.Running a MapReduce job using the UIRun the MapReduce Pi test in the Cloudera Manager UI to verify that the YARN service processes workloads without requiring a command-line access.Parent topic: After You Install