Github user xuanyuanking commented on a diff in the pull request: https://github.com/apache/spark/pull/22165#discussion_r215635071 --- Diff: core/src/main/scala/org/apache/spark/BarrierCoordinator.scala --- @@ -65,7 +65,7 @@ private[spark] class BarrierCoordinator( // Record all active stage attempts that make barrier() call(s), and the corresponding internal // state. - private val states = new ConcurrentHashMap[ContextBarrierId, ContextBarrierState] + private[spark] val states = new ConcurrentHashMap[ContextBarrierId, ContextBarrierState] --- End diff -- No problem, done in ecf12bd.
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