Github user squito commented on a diff in the pull request:
https://github.com/apache/spark/pull/16867#discussion_r106421711
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/TaskSchedulerImpl.scala ---
@@ -172,7 +172,7 @@ private[spark] class TaskSchedulerImpl
private[scheduler](
if (!isLocal && conf.getBoolean("spark.speculation", false)) {
logInfo("Starting speculative execution thread")
- speculationScheduler.scheduleAtFixedRate(new Runnable {
+ speculationScheduler.scheduleWithFixedDelay(new Runnable {
--- End diff --
I think you are right, this is a good change. Its somewhat related to
other changes here, so I personally don't feel too strongly about needing to
put it in its own pr.
I would say that if its in this pr, the change description should be
updated to mention this as well.
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