Github user squito commented on a diff in the pull request:
https://github.com/apache/spark/pull/4055#discussion_r32781253
--- Diff:
core/src/test/scala/org/apache/spark/scheduler/DAGSchedulerSuite.scala ---
@@ -598,6 +598,49 @@ class DAGSchedulerSuite
assertDataStructuresEmpty()
}
+ test("run with ShuffleMapStage retry") {
+ val firstRDD = new MyRDD(sc, 3, Nil)
+ val firstShuffleDep = new ShuffleDependency(firstRDD, null)
+ val firstShuffleId = firstShuffleDep.shuffleId
+ val shuffleMapRdd = new MyRDD(sc, 3, List(firstShuffleDep))
+ val shuffleDep = new ShuffleDependency(shuffleMapRdd, null)
+ val reduceRdd = new MyRDD(sc, 1, List(shuffleDep))
+ submit(reduceRdd, Array(0))
+
+ complete(taskSets(0), Seq(
+ (Success, makeMapStatus("hostB", shuffleMapRdd.partitions.size)),
+ (Success, makeMapStatus("hostB", shuffleMapRdd.partitions.size)),
+ (Success, makeMapStatus("hostC", shuffleMapRdd.partitions.size))
+ ))
+
+ complete(taskSets(1), Seq(
+ (Success, makeMapStatus("hostA", reduceRdd.partitions.size)),
+ (Success, makeMapStatus("hostB", reduceRdd.partitions.size))
+ ))
+ runEvent(ExecutorLost("exec-hostA"))
+ // Resubmit already succcessd in hostA task
+ runEvent(CompletionEvent(taskSets(1).tasks(0), Resubmitted,
+ null, null, createFakeTaskInfo(), null))
+
+ // Cause mapOutTracker remove hostA outputs for taskset(0).
+ // Task that resubmitted will fetch matadata failed.
+ runEvent(CompletionEvent(taskSets(1).tasks(0),
+ FetchFailed(null, firstShuffleId, -1, 0, "Fetch matadata failed"),
+ null, null, createFakeTaskInfo(), null))
+ // FetchFailed cause resubmit failed Stages.
+ scheduler.resubmitFailedStages()
+
+ runEvent(CompletionEvent(taskSets(1).tasks(0), Success,
+ makeMapStatus("hostC", reduceRdd.partitions.size), null,
createFakeTaskInfo(), null))
+ runEvent(CompletionEvent(taskSets(1).tasks(2), Success,
+ makeMapStatus("hostC", reduceRdd.partitions.size), null,
createFakeTaskInfo(), null))
--- End diff --
same thing here about which task set you want to have these events in.
`taskSet(1)` only refers to the first attempt of stage 1.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
