beliefer commented on code in PR #50020: URL: https://github.com/apache/spark/pull/50020#discussion_r1982637434
########## core/src/main/scala/org/apache/spark/BarrierCoordinator.scala: ########## @@ -53,8 +54,9 @@ 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 = ThreadUtils.newSingleThreadScheduledExecutor( + private lazy val timer = ThreadUtils.newDaemonSingleThreadScheduledExecutor( "BarrierCoordinator barrier epoch increment timer") + private val timerFutures = Collections.synchronizedList(new ArrayList[ScheduledFuture[_]]) Review Comment: I'm a bit concern for the potential memory leak as @srowen said at https://github.com/apache/spark/pull/50107#discussion_r1979417965 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org