[GitHub] [spark] mridulm commented on a diff in pull request #42950: [SPARK-45182][CORE] Ignore task completion from old stage after retrying indeterminate stages

["mridulm (via GitHub)" <gi...@apache.org>]

mridulm commented on code in PR #42950:
URL: https://github.com/apache/spark/pull/42950#discussion_r1330551562


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core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala:
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@@ -1903,13 +1903,20 @@ private[spark] class DAGScheduler(
 
           case smt: ShuffleMapTask =>
             val shuffleStage = stage.asInstanceOf[ShuffleMapStage]
-            shuffleStage.pendingPartitions -= task.partitionId
+            // Ignore task completion for old attempt of indeterminate stage
+            val ignoreIndeterminate = stage.isIndeterminate &&
+              task.stageAttemptId < stage.latestInfo.attemptNumber()

Review Comment:
   Why not wrap the entire case in `if (!ignoreIndeterminate) {` ?



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