Christopher It is once per JVM. TaskNonce would meet my needs. I guess if I want it once per thread, then a ThreadLocal would do the same.
But how do I invoke TaskNonce, what is the best way to generate a RDD to ensure that there is one element per executor. Deenar -- View this message in context: http://apache-spark-user-list.1001560.n3.nabble.com/Running-a-task-once-on-each-executor-tp3203p3208.html Sent from the Apache Spark User List mailing list archive at Nabble.com.