# Default system properties included when running spark-submit. # This is useful for setting default environmental settings. # Example: spark.master spark://spark-master:7077 spark.eventLog.enabled true spark.eventLog.dir hdfs://spark-master:/var/log/spark spark.serializer org.apache.spark.serializer.KryoSerializer # spark.driver.memory 5g # spark.executor.extraJavaOptions -XX:+PrintGCDetails -Dkey=value -Dnumbers="one two three"