Administration and Configuration Guide Data Management Tools (DMT) Module Configurations Data Mapping Configurations Data Movement from HDFS Source to RDBMS Target (H2T) OLH (Oracle Loader for Hadoop) Implementation OLH (Oracle Loader for Hadoop) Implementation From DMT Configurations window, set H2T Mode as OLH. OLH (Oracle Loader for Hadoop) must have been installed and configured in your system.For more information on required configurations, see Oracle® Loader for Hadoop (OLH) Configuration.