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From aarondav <>
Subject [GitHub] spark pull request: [SPARK-4163][Core][WebUI] Send the fetch failu...
Date Sat, 01 Nov 2014 07:46:46 GMT
Github user aarondav commented on a diff in the pull request:
    --- Diff: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala ---
    @@ -1060,7 +1060,7 @@ class DAGScheduler(
             if (runningStages.contains(failedStage)) {
               logInfo(s"Marking $failedStage (${}) as failed " +
                 s"due to a fetch failure from $mapStage (${})")
    -          markStageAsFinished(failedStage, Some("Fetch failure"))
    +          markStageAsFinished(failedStage, Some(failureMessage))
    --- End diff --
    Looking at some of the other error messages that are displayed in the UI's stages view,
I think it's safer to add more information -- let's just prepend something like "Fetch failure:"
to the exception, because the exception itself may sound totally unrelated (some timeout,
file not found, etc.) and it's unclear why the whole stage was finished.

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