Hi,   The documentation has an image explaining this:  https://www.cloudera.com/documentation/data-science-workbench/latest/topics/cdsw_dist_comp_with_Spark.html   The answer is yes, if you start a Python 2 session and you create a SparkSession object there you will run the Spark application in client mode and the Spark driver will be inside the CDSW session (docker container).  This is the primary use-case for CDSW.   Regards, Peter ... View more