Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/4055#discussion_r28356278
--- Diff:
core/src/test/scala/org/apache/spark/scheduler/DAGSchedulerSuite.scala ---
@@ -543,6 +543,53 @@ class DAGSchedulerSuite extends FunSuiteLike with
BeforeAndAfter with LocalSpar
assertDataStructuresEmpty
}
+ test("Make sure mapStage.pendingtasks is set() " +
+ "while MapStage.isAvailable is true while stage was retry ") {
+ val firstRDD = new MyRDD(sc, 6, Nil)
+ val firstShuffleDep = new ShuffleDependency(firstRDD, null)
+ val firstShuyffleId = firstShuffleDep.shuffleId
+ val shuffleMapRdd = new MyRDD(sc, 6, List(firstShuffleDep))
+ val shuffleDep = new ShuffleDependency(shuffleMapRdd, null)
+ val reduceRdd = new MyRDD(sc, 2, List(shuffleDep))
+ submit(reduceRdd, Array(0, 1))
+ complete(taskSets(0), Seq(
+ (Success, makeMapStatus("hostB", 1)),
+ (Success, makeMapStatus("hostB", 2)),
+ (Success, makeMapStatus("hostC", 3)),
+ (Success, makeMapStatus("hostB", 4)),
+ (Success, makeMapStatus("hostB", 5)),
+ (Success, makeMapStatus("hostC", 6))
+ ))
+ complete(taskSets(1), Seq(
+ (Success, makeMapStatus("hostA", 1)),
+ (Success, makeMapStatus("hostB", 2)),
+ (Success, makeMapStatus("hostA", 1)),
+ (Success, makeMapStatus("hostB", 2)),
+ (Success, makeMapStatus("hostA", 1))
+ ))
+ runEvent(ExecutorLost("exec-hostA"))
+ runEvent(CompletionEvent(taskSets(1).tasks(0), Resubmitted,
+ null, null, createFakeTaskInfo(), null))
+ runEvent(CompletionEvent(taskSets(1).tasks(2), Resubmitted,
+ null, null, createFakeTaskInfo(), null))
+ runEvent(CompletionEvent(taskSets(1).tasks(0),
+ FetchFailed(null, firstShuyffleId, -1, 0, "Fetch Mata data failed"),
+ null, null, createFakeTaskInfo(), null))
+ scheduler.resubmitFailedStages()
+ runEvent(CompletionEvent(taskSets(1).tasks(0), Success,
+ makeMapStatus("hostC", 1), null, createFakeTaskInfo(), null))
+ runEvent(CompletionEvent(taskSets(1).tasks(2), Success,
+ makeMapStatus("hostC", 1), null, createFakeTaskInfo(), null))
+ runEvent(CompletionEvent(taskSets(1).tasks(4), Success,
+ makeMapStatus("hostC", 1), null, createFakeTaskInfo(), null))
+ runEvent(CompletionEvent(taskSets(1).tasks(5), Success,
+ makeMapStatus("hostB", 2), null, createFakeTaskInfo(), null))
+ val stage = scheduler.stageIdToStage(taskSets(1).stageId)
+ assert(stage.attemptId == 2)
+ assert(stage.isAvailable)
+ assert(stage.pendingTasks.size == 0)
--- End diff --
these should be `===` in tests
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