[GitHub] spark pull request: SPARK-4921. TaskSetManager.dequeueTask returns...

[zsxwing <gi...@git.apache.org>]

Github user zsxwing commented on the pull request:

    https://github.com/apache/spark/pull/3816#issuecomment-148884107
  
    @sryza, could you reopen this one? 
    
    TaskInfo will be sent to SparkListener. Without this patch, for NO_PREF RDDs, their `taskLocality`s in `TaskInfo` will be `PROCESS_LOCAL`, and the user can see it in SparkListener. Test codes:
    ```
        import org.apache.spark.scheduler.{SparkListenerTaskStart, SparkListener}
        sc.addSparkListener(new SparkListener{
          override def onTaskStart(taskStart: SparkListenerTaskStart): Unit = {
            println("taskLocality: " + taskStart.taskInfo.taskLocality)
          }
        })
        sc.parallelize(1 to 10, 1).count()
    ```


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