apache/spark — pull request #2791 by jackylk (2014-10-14 04:56:51+00:00)
Title: [SPARK-3935][Core] log the number of records that has been written

There is a unused variable(count) in saveAsHadoopDataset in PairRDDFunctions.scala. The initial idea of this variable seems to count the number of records, so I am adding a log statement to log the number of records that has been written to the writer.