Effective in version 10.2.1, you can view the statistics for Spark execution based on the run stages. For instance, Spark Run Stages shows the statistics of spark application run stages. Stage_0 shows the statistics related to run stage with ID=0 in the spark application. Rows and Average Rows/Sec show the number of rows written out of the stage and the corresponding throughput. Bytes and Average Bytes/Sec show the bytes and throughput broadcasted in the stage.