Github user squito commented on a diff in the pull request:
https://github.com/apache/spark/pull/13677#discussion_r67099857
--- Diff: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
---
@@ -374,17 +349,35 @@ class DAGScheduler(
}
/**
+ * Create a ResultStage associated with the provided jobId.
+ */
+ private def createResultStage(
+ rdd: RDD[_],
+ func: (TaskContext, Iterator[_]) => _,
+ partitions: Array[Int],
+ jobId: Int,
+ callSite: CallSite): ResultStage = {
+ val id = nextStageId.getAndIncrement()
+ val stage = new ResultStage(
+ id, rdd, func, partitions, getOrCreateParentStages(rdd, jobId),
jobId, callSite)
--- End diff --
`getOrCreateParentStages` should be called before getting the id for the
result stage, otherwise the result stage will get numbered below the dependent
stages.
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