Your question lacks sufficient information for us to actually provide help. Have you looked at the Spark UI to see which part of the graph is taking the longest? Have you tried logging your methods?
-- View this message in context: http://apache-spark-user-list.1001560.n3.nabble.com/Spark-jobs-run-extremely-slow-on-yarn-cluster-compared-to-standalone-spark-tp26215p26221.html Sent from the Apache Spark User List mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@spark.apache.org For additional commands, e-mail: user-h...@spark.apache.org