Specify options for the jvm launched by pyspark

Question

How /where are the jvm options used by the pyspark script when launching the jvm it connects to specified?

I am specifically interested in specifying jvm debugging opti

Answer 1

pyspark uses the bin/spark-class script to start the client that you see running in your terminal / console. You can just append whatever options necessary to JAVA_OPTS:

JAVA_OPTS="$JAVA_OPTS -Xmx=2g -Xms=1g -agentlib:jdwp=transport=dt_socket,server=y..."