Github user kayousterhout commented on a diff in the pull request:
https://github.com/apache/spark/pull/15505#discussion_r95689935
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala
---
@@ -245,6 +245,16 @@ class CoarseGrainedSchedulerBackend(scheduler:
TaskSchedulerImpl, val rpcEnv: Rp
private def launchTasks(tasks: Seq[Seq[TaskDescription]]) {
for (task <- tasks.flatten) {
val serializedTask = TaskDescription.encode(task)
+ if (serializedTask.limit > TaskSetManager.TASK_SIZE_TO_WARN_KB *
1024) {
--- End diff --
This seems redundant with the below message. It looks like this threshold
is smaller, which is why this is a warning, whereas the other one aborts the
stage. Is this necessary here or should it just be on the broadcasted task,
where you've added it above?
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