Github user KaiXinXiaoLei commented on the pull request:
https://github.com/apache/spark/pull/4257#issuecomment-71976462
15/01/26 22:38:37 INFO SparkContext: RDD.toDebugString:
(12) MappedRDD[13] at map at dagPrint.scala:26 []
| MappedRDD[12] at map at dagPrint.scala:25 []
| FlatMappedValuesRDD[11] at join at dagPrint.scala:24 []
| MappedValuesRDD[10] at join at dagPrint.scala:24 []
| CoGroupedRDD[9] at join at dagPrint.scala:24 []
| ShuffledRDD[4] at reduceByKey at dagPrint.scala:17 []
+-(2) MappedRDD[3] at map at dagPrint.scala:16 []
| MappedRDD[2] at map at dagPrint.scala:15 []
| /data.txt MappedRDD[1] at textFile at dagPrint.scala:14 []
| /data.txt HadoopRDD[0] at textFile at dagPrint.scala:14 []
+-(2) MappedRDD[8] at map at dagPrint.scala:22 []
| MappedRDD[7] at map at dagPrint.scala:21 []
| /data2.txt MappedRDD[6] at textFile at dagPrint.scala:20 []
| /data2.txt HadoopRDD[5] at textFile at dagPrint.scala:20 []
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