Github user gaborgsomogyi commented on a diff in the pull request:
https://github.com/apache/spark/pull/20474#discussion_r165377643
--- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala ---
@@ -2168,7 +2168,17 @@ private[spark] object Utils extends Logging {
// We need to filter out null values here because dumpAllThreads() may
return null array
// elements for threads that are dead / don't exist.
val threadInfos =
ManagementFactory.getThreadMXBean.dumpAllThreads(true, true).filter(_ != null)
- threadInfos.sortBy(_.getThreadId).map(threadInfoToThreadStackTrace)
--- End diff --
`sortBy(_.getThreadId)` just disappeared. Is it intentional?
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