Github user mateiz commented on a diff in the pull request:
https://github.com/apache/spark/pull/1362#discussion_r15076891
--- Diff: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
---
@@ -1107,7 +1106,6 @@ class DAGScheduler(
case shufDep: ShuffleDependency[_, _, _] =>
val mapStage = getShuffleMapStage(shufDep, stage.jobId)
if (!mapStage.isAvailable) {
- visitedStages += mapStage
--- End diff --
Hmm, yeah, it seems that should be there. On the other hand, will tracking
the visited RDDs be enough? I guess we need to look into it, but it doesn't
seem urgent.
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