xuanyuanking commented on a change in pull request #24110: [SPARK-25341][Core]
Support rolling back a shuffle map stage and re-generate the shuffle files
URL: https://github.com/apache/spark/pull/24110#discussion_r272801662
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File path: core/src/main/scala/org/apache/spark/TaskContext.scala
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@@ -176,6 +176,17 @@ abstract class TaskContext extends Serializable {
*/
def getLocalProperty(key: String): String
+ /**
+ * The indeterminate attempt ID of the stage that this task belongs to, it
returns the stage
+ * attempt number while the stage is not determinate and returns none on the
contrary.
+ */
+ def indeterminateStageAttemptId(shuffleId: Int): Option[Int] = {
Review comment:
Copy that. Done in bb32244.
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