beliefer commented on code in PR #44718:
URL: https://github.com/apache/spark/pull/44718#discussion_r1459024605
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core/src/main/scala/org/apache/spark/BarrierCoordinator.scala:
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@@ -51,7 +52,8 @@ private[spark] class BarrierCoordinator(
// TODO SPARK-25030 Create a Timer() in the mainClass submitted to
SparkSubmit makes it unable to
// fetch result, we shall fix the issue.
- private lazy val timer = new Timer("BarrierCoordinator barrier epoch
increment timer")
+ private lazy val timer = ThreadUtils.newSingleThreadScheduledExecutor(
Review Comment:
The `purge` of `Timer` has the same name with the purge of
`ThreadScheduledExecutor`.
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