it's ok when i call doc_topic_dist.cache() firstly.
-- View this message in context: http://apache-spark-user-list.1001560.n3.nabble.com/two-calls-of-saveAsTextFile-have-different-results-on-the-same-RDD-tp4578p4580.html Sent from the Apache Spark User List mailing list archive at Nabble.com.