Github user sryza commented on a diff in the pull request:
https://github.com/apache/spark/pull/3204#discussion_r20137693
--- Diff:
core/src/main/scala/org/apache/spark/ExecutorAllocationManager.scala ---
@@ -217,14 +223,24 @@ private[spark] class ExecutorAllocationManager(sc:
SparkContext) extends Logging
numExecutorsToAdd = 1
return 0
}
+ val maxExecutorsPending =
maxPendingExecutors(sc.taskScheduler.numPendingTasks)
--- End diff --
I noticed that, but couldn't figure out a better way to pass this through
information through. `SparkListener` can give us the total pending tasks at
the start of a stage, but, as far as I could tell, only the TaskSetManagers
know the pending tasks as a stage progresses. Reconstituting this info from
onTaskStart and onTaskEnd events isn't easy because tasks can need to be
resubmitted. Am I missing anything?
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