To run a column profile on a relational data object that uses Sqoop, you must set the Sqoop argument m to 1. Use the following syntax:

To run a column profile on a logical data object or customized data object that uses Sqoop, you do not need to set the Sqoop argument m to 1. You can configure the num-mappers argument to achieve parallelism and improve performance. If you configure the num-mappers argument, you must also configure the split-by argument to specify the column based on which the Sqoop program must split the work units. If you do not configure the split-by argument, the value of the num-mappers argument defaults to 1.