Github user pwendell commented on a diff in the pull request:
https://github.com/apache/spark/pull/42#discussion_r10597778
--- Diff: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
---
@@ -196,13 +152,46 @@ class DAGScheduler(
}))
}
- def addSparkListener(listener: SparkListener) {
- listenerBus.addListener(listener)
+ // Called by TaskScheduler to report task's starting.
+ def taskStarted(task: Task[_], taskInfo: TaskInfo) {
+ eventProcessActor ! BeginEvent(task, taskInfo)
+ }
+
+ // Called to report that a task has completed and results are being
fetched remotely.
+ def taskGettingResult(task: Task[_], taskInfo: TaskInfo) {
+ eventProcessActor ! GettingResultEvent(task, taskInfo)
+ }
+
+ // Called by TaskScheduler to report task completions or failures.
+ def taskEnded(
+ task: Task[_],
+ reason: TaskEndReason,
+ result: Any,
+ accumUpdates: Map[Long, Any],
+ taskInfo: TaskInfo,
+ taskMetrics: TaskMetrics) {
+ eventProcessActor ! CompletionEvent(task, reason, result,
accumUpdates, taskInfo, taskMetrics)
+ }
+
+ // Called by TaskScheduler when an executor fails.
+ def executorLost(execId: String) {
+ eventProcessActor ! ExecutorLost(execId)
+ }
+
+ // Called by TaskScheduler when a host is added
+ def executorGained(execId: String, host: String) {
--- End diff --
I'd go with `executorAdded` here and everywhere else we have this.
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