Hi, Just a quick question,
Regarding the source code of groupByKey: https://github.com/apache/spark/blob/master/core/src/main/scala/org/apache/spark/rdd/PairRDDFunctions.scala#L453 In the end, it cast CompactBuffer to Iterable. But why ? Any advantage? Thank you. Hao. -- View this message in context: http://apache-spark-user-list.1001560.n3.nabble.com/why-does-groupByKey-return-RDD-K-Iterable-V-not-RDD-K-CompactBuffer-V-tp22616.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
