Github user witgo commented on a diff in the pull request:
https://github.com/apache/spark/pull/1877#discussion_r16045934
--- Diff: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
---
@@ -1024,31 +1024,33 @@ class DAGScheduler(
case FetchFailed(bmAddress, shuffleId, mapId, reduceId) =>
// Mark the stage that the reducer was in as unrunnable
val failedStage = stageIdToStage(task.stageId)
- runningStages -= failedStage
- // TODO: Cancel running tasks in the stage
--- End diff --
@mateiz
There is no cancel running tasks in the stage . When any one of the
running tasks which throws an exception.
The following code will be repeated.
```scala
failedStages += failedStage
failedStages += mapStage
```
Stage will be unnecessary resubmit by `resubmitFailedStages`
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