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From mateiz <>
Subject [GitHub] spark pull request: [SPARK-695] In DAGScheduler's getPreferredLocs...
Date Wed, 16 Jul 2014 18:32:47 GMT
Github user mateiz commented on a diff in the pull request:
    --- 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 --
    I'm curious, why did you remove this? It seems unrelated to the preferred locs fix, and
it was necessary to prevent exponential explosion here.

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