Github user CodingCat commented on a diff in the pull request:
https://github.com/apache/spark/pull/186#discussion_r11978562
--- Diff: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
---
@@ -322,6 +289,14 @@ class DAGScheduler(
missing.toList
}
+ private def startDAGSchedulerActors() {
+ dagSchedulerActorSupervisor = env.actorSystem.actorOf(Props(
+ new DAGSchedulerActorSupervisor(this)))
+ while (dagSchedulerActorSupervisor == null || eventProcessActor ==
null) {
--- End diff --
I just committed a blocking constructor version, the only issue is that
akka doesn't support a wait-forever pattern, I have to make some hard coding
here: if the supervisor cannot start within 30 seconds, we assume something
wrong happened and throws Exception
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