sleep1661 commented on a change in pull request #34578:
URL: https://github.com/apache/spark/pull/34578#discussion_r767154891
##########
File path:
core/src/test/scala/org/apache/spark/scheduler/TaskSchedulerImplSuite.scala
##########
@@ -1995,6 +1999,94 @@ class TaskSchedulerImplSuite extends SparkFunSuite with
LocalSparkContext with B
assert(!normalTSM.runningTasksSet.contains(taskId))
}
+ test("SPARK-37300: TaskSchedulerImpl should ignore task finished" +
+ " event if its task was finished state") {
+ val taskScheduler = setupScheduler()
+
+ val latch = new CountDownLatch(2)
+ val resultGetter = new TaskResultGetter(sc.env, taskScheduler) {
+ override protected val getTaskResultExecutor: ExecutorService =
+ new ThreadPoolExecutor(1, 1, 0L, TimeUnit.MILLISECONDS, new
LinkedBlockingQueue[Runnable],
+ ThreadUtils.namedThreadFactory("task-result-getter")) {
+ override def execute(command: Runnable): Unit = {
+ super.execute(new Runnable {
+ override def run(): Unit = {
+ command.run()
+ latch.countDown()
+ }
+ })
+ }
+ }
+ def taskResultExecutor() : ExecutorService = getTaskResultExecutor
+ }
+ taskScheduler.taskResultGetter = resultGetter
+
+ val workerOffers = IndexedSeq(new WorkerOffer("executor0", "host0", 1),
+ new WorkerOffer("executor1", "host1", 1))
+ val task1 = new ShuffleMapTask(1, 0, null, new Partition {
+ override def index: Int = 0
+ }, Seq(TaskLocation("host0", "executor0")), new Properties, null)
+
+ val task2 = new ShuffleMapTask(1, 0, null, new Partition {
+ override def index: Int = 1
+ }, Seq(TaskLocation("host1", "executor1")), new Properties, null)
+
+ val taskSet = new TaskSet(Array(task1, task2), 0, 0, 0, null, 0)
+
+ taskScheduler.submitTasks(taskSet)
+ val taskDescriptions = taskScheduler.resourceOffers(workerOffers).flatten
+ assert(2 === taskDescriptions.length)
+
+ val ser = sc.env.serializer.newInstance()
+ val directResult = new DirectTaskResult[Int](ser.serialize(1), Seq(),
Array.empty)
+ val resultBytes = ser.serialize(directResult)
+
+ val busyTask = new Runnable {
+ val lock : Object = new Object
+ var running : AtomicBoolean = new AtomicBoolean(false)
+ override def run(): Unit = {
+ lock.synchronized {
+ running.set(true)
+ lock.wait()
+ }
+ }
+ def markTaskDone: Unit = {
+ lock.synchronized {
+ lock.notify()
+ }
+ }
+ }
+ // make getTaskResultExecutor busy
+ resultGetter.taskResultExecutor().submit(busyTask)
+
+ // task1 finished
+ val tid = taskDescriptions(0).taskId
+ taskScheduler.statusUpdate(
+ tid = tid,
+ state = TaskState.FINISHED,
+ serializedData = resultBytes
+ )
+
+ // mark executor heartbeat timed out
+ taskScheduler.executorLost(taskDescriptions(0).executorId,
ExecutorProcessLost("Executor " +
+ "heartbeat timed out"))
+
+ // Wait busyTask begin running
+ eventually(timeout(500.milliseconds)) {
Review comment:
> Usually, we could set the timeout longer for the eventually to avoid
test flaky..500 ms seems a bit short to me. It might be worth changing to a
longer timer since Jenkins tests haven't passed.
How about 30 seconds ？
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