Github user witgo commented on a diff in the pull request:
https://github.com/apache/spark/pull/677#discussion_r12364638
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/TaskSetManager.scala ---
@@ -414,6 +415,14 @@ private[spark] class TaskSetManager(
// we assume the task can be serialized without exceptions.
val serializedTask = Task.serializeWithDependencies(
task, sched.sc.addedFiles, sched.sc.addedJars, ser)
+ if (serializedTask.limit >= akkaFrameSize - 1024) {
--- End diff --
`serializedTask` => `4356 bytes`
`LaunchTask` => `4797 bytes`
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