Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/1498#discussion_r15500034
--- Diff: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
---
@@ -691,25 +689,41 @@ class DAGScheduler(
}
}
-
/** Called when stage's parents are available and we can now do its
task. */
private def submitMissingTasks(stage: Stage, jobId: Int) {
logDebug("submitMissingTasks(" + stage + ")")
// Get our pending tasks and remember them in our pendingTasks entry
stage.pendingTasks.clear()
var tasks = ArrayBuffer[Task[_]]()
+
+ var broadcastRddBinary: Broadcast[Array[Byte]] = null
+ try {
+ broadcastRddBinary = stage.rdd.createBroadcastBinary()
+ } catch {
+ case e: NotSerializableException =>
+ abortStage(stage, "Task not serializable: " + e.toString)
+ runningStages -= stage
--- End diff --
That invariant is really hard to maintain because this event driven
architecture + random events being posted from all over the place. Maybe it
will be easier with more refactoring.
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