Github user kayousterhout commented on a diff in the pull request: https://github.com/apache/spark/pull/15463#discussion_r84139585 --- Diff: core/src/test/scala/org/apache/spark/scheduler/TaskSetManagerSuite.scala --- @@ -974,6 +974,22 @@ class TaskSetManagerSuite extends SparkFunSuite with LocalSparkContext with Logg assert(manager.isZombie) } + test("check uniqueness of TaskSetManager name") { + sc = new SparkContext("local", "test") + sched = new FakeTaskScheduler(sc, ("exec1", "host1")) + val taskSet = FakeTask.createTaskSet(1, 0, 0) + val manager = new TaskSetManager(sched, taskSet, MAX_TASK_FAILURES, new ManualClock) + assert(manager.name === "TaskSet_0.0") + --- End diff -- Can you add a comment about what's going on in this chunk -- something like "Make sure a task set for the same stage (but a different attempt) has a different ID"
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