Github user efimpoberezkin commented on a diff in the pull request: https://github.com/apache/spark/pull/21392#discussion_r190473131 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/continuous/EpochCoordinator.scala --- @@ -45,6 +45,11 @@ private[sql] case object IncrementAndGetEpoch extends EpochCoordinatorMessage */ private[sql] case object StopContinuousExecutionWrites extends EpochCoordinatorMessage +/** + * Returns boolean indicating if size of the epochs queue has exceeded maximum epoch backlog. + */ +private[sql] case object CheckIfMaxBacklogIsExceeded extends EpochCoordinatorMessage --- End diff -- Okay, thought about something like this but wasn't sure if it's fine to do so for the sake of this change. Thanks
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