beliefer commented on code in PR #43954:
URL: https://github.com/apache/spark/pull/43954#discussion_r1407378513
##########
core/src/main/scala/org/apache/spark/scheduler/TaskScheduler.scala:
##########
@@ -54,7 +54,7 @@ private[spark] trait TaskScheduler {
// Submit a sequence of tasks to run.
def submitTasks(taskSet: TaskSet): Unit
- // Kill all the tasks in a stage and fail the stage and all the jobs that
depend on the stage.
+ // Kill all the tasks in all the stage attempts of the same stage Id
Review Comment:
Please add comment about `mark all the stage attempts as zombie`.
##########
core/src/main/scala/org/apache/spark/scheduler/TaskScheduler.scala:
##########
@@ -66,10 +66,6 @@ private[spark] trait TaskScheduler {
*/
def killTaskAttempt(taskId: Long, interruptThread: Boolean, reason: String):
Boolean
- // Kill all the running task attempts in a stage.
- // Throw UnsupportedOperationException if the backend doesn't support kill
tasks.
- def killAllTaskAttempts(stageId: Int, interruptThread: Boolean, reason:
String): Unit
Review Comment:
Does this is a break change?
##########
core/src/test/scala/org/apache/spark/scheduler/TaskSchedulerImplSuite.scala:
##########
@@ -1671,37 +1671,6 @@ class TaskSchedulerImplSuite extends SparkFunSuite with
LocalSparkContext
assert(taskScheduler.taskSetManagerForAttempt(0, 0).isEmpty)
}
- test("killAllTaskAttempts shall kill all the running tasks and not fail the
stage") {
- val taskScheduler = setupScheduler()
-
- taskScheduler.initialize(new FakeSchedulerBackend {
- override def killTask(
- taskId: Long,
- executorId: String,
- interruptThread: Boolean,
- reason: String): Unit = {
- // Since we only submit one stage attempt, the following call is
sufficient to mark the
- // task as killed.
- taskScheduler.taskSetManagerForAttempt(0,
0).get.runningTasksSet.remove(taskId)
- }
- })
-
- val attempt1 = FakeTask.createTaskSet(10)
- taskScheduler.submitTasks(attempt1)
-
- val workerOffers = IndexedSeq(new WorkerOffer("executor0", "host0", 1),
- new WorkerOffer("executor1", "host1", 1))
- val taskDescriptions = taskScheduler.resourceOffers(workerOffers).flatten
- assert(2 === taskDescriptions.length)
- val tsm = taskScheduler.taskSetManagerForAttempt(0, 0).get
- assert(2 === tsm.runningTasks)
-
- taskScheduler.killAllTaskAttempts(0, false, "test")
Review Comment:
Shall we update the test case with `taskScheduler.cancelTasks`?
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