Github user kayousterhout commented on a diff in the pull request:
https://github.com/apache/spark/pull/15249#discussion_r81398594
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/TaskSetManager.scala ---
@@ -478,16 +473,18 @@ private[spark] class TaskSetManager(
// a good proxy to task serialization time.
// val timeTaken = clock.getTime() - startTime
val taskName = s"task ${info.id} in stage ${taskSet.id}"
- logInfo(s"Starting $taskName (TID $taskId, $host, partition
${task.partitionId}," +
- s" $taskLocality, ${serializedTask.limit} bytes)")
+ logInfo(s"Starting $taskName (TID $taskId, $host, executor
${info.executorId}, " +
+ s"partition ${task.partitionId}, $taskLocality,
${serializedTask.limit} bytes)")
sched.dagScheduler.taskStarted(task, info)
- return Some(new TaskDescription(taskId = taskId, attemptNumber =
attemptNum, execId,
+ Some(new TaskDescription(taskId = taskId, attemptNumber =
attemptNum, execId,
--- End diff --
you can simplify this code slightly by changing the "match" on line 432 to
just "map". Then you can eliminate the "Some(" here and the "case _ " code
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