new TaskSchedulerEventHandlerForTest(appContext, eventHandler, rmClient, new ContainerContextMatcher());
TaskSchedulerEventHandler taskSchedulerEventHandler = spy(taskSchedulerEventHandlerReal);
taskSchedulerEventHandler.init(tezConf);
taskSchedulerEventHandler.start();
TaskSchedulerWithDrainableAppCallback taskScheduler =
(TaskSchedulerWithDrainableAppCallback) ((TaskSchedulerEventHandlerForTest) taskSchedulerEventHandler)
.getSpyTaskScheduler();
TaskSchedulerAppCallbackDrainable drainableAppCallback = taskScheduler.getDrainableAppCallback();
AtomicBoolean drainNotifier = new AtomicBoolean(false);
taskScheduler.delayedContainerManager.drainedDelayedContainersForTest = drainNotifier;
Resource resource1 = Resource.newInstance(1024, 1);
String[] host1 = {"host1"};
String[] host2 = {"host2"};
String[] host3 = {"host3"};
String []racks = {"/default-rack"};
Priority priority1 = Priority.newInstance(1);
TezVertexID vertexID1 = TezVertexID.getInstance(dagID, 1);
Map<String, LocalResource> localResources = new HashMap<String, LocalResource>();
String tsLaunchCmdOpts = taskSpecificLaunchCmdOption.getTaskSpecificOption("", "v1", 1);
/**
* Schedule 2 tasks (1 with additional launch-cmd option and another in normal mode).
* Container should not be reused in this case.
*/
//Vertex 1, Task 1, Attempt 1, host1
TezTaskAttemptID taID11 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 1), 1);
TaskAttempt ta11 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent1 =
createLaunchRequestEvent(taID11, ta11, resource1, host1, racks,
priority1, localResources, tsLaunchCmdOpts);
//Vertex 1, Task 2, Attempt 1, host1
TezTaskAttemptID taID12 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 2), 1);
TaskAttempt ta12 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent2 =
createLaunchRequestEvent(taID12, ta12, resource1, host1, racks, priority1);
taskSchedulerEventHandler.handleEvent(lrEvent1);
taskSchedulerEventHandler.handleEvent(lrEvent2);
Container container1 = createContainer(1, "host1", resource1, priority1);
// One container allocated.
drainNotifier.set(false);
taskScheduler.onContainersAllocated(Collections.singletonList(container1));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerEventHandler).taskAllocated(eq(ta11), any(Object.class), eq(container1));
// First task had profiling on. This container can not be reused further.
taskSchedulerEventHandler.handleEvent(
new AMSchedulerEventTAEnded(ta11, container1.getId(), TaskAttemptState.SUCCEEDED));
drainableAppCallback.drain();
verify(taskScheduler).deallocateTask(eq(ta11), eq(true));
verify(taskSchedulerEventHandler, times(0)).taskAllocated(eq(ta12), any(Object.class),
eq(container1));
verify(rmClient, times(1)).releaseAssignedContainer(eq(container1.getId()));
eventHandler.verifyInvocation(AMContainerEventStopRequest.class);
eventHandler.reset();
/**
* Schedule 2 tasks (both having different task specific JVM option).
* Container should not be reused.
*/
//Vertex 1, Task 3, Attempt 1, host2
tsLaunchCmdOpts = taskSpecificLaunchCmdOption.getTaskSpecificOption("", "v1", 3);
TezTaskAttemptID taID13 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 3), 1);
TaskAttempt ta13 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent3 =
createLaunchRequestEvent(taID13, ta13, resource1, host2, racks,
priority1, localResources, tsLaunchCmdOpts);
//Vertex 1, Task 4, Attempt 1, host2
tsLaunchCmdOpts = taskSpecificLaunchCmdOption.getTaskSpecificOption("", "v1", 4);
TezTaskAttemptID taID14 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 4), 1);
TaskAttempt ta14 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent4 =
createLaunchRequestEvent(taID14, ta14, resource1, host2, racks,
priority1, localResources, tsLaunchCmdOpts);
Container container2 = createContainer(2, "host2", resource1, priority1);
taskSchedulerEventHandler.handleEvent(lrEvent3);
taskSchedulerEventHandler.handleEvent(lrEvent4);
// Container started
drainNotifier.set(false);
taskScheduler.onContainersAllocated(Collections.singletonList(container2));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerEventHandler).taskAllocated(eq(ta13), any(Object.class), eq(container2));
// Verify that the container can not be reused when profiling option is turned on
// Even for 2 tasks having same profiling option can have container reusability.
taskSchedulerEventHandler.handleEvent(new AMSchedulerEventTAEnded(ta13, container2.getId(), TaskAttemptState.SUCCEEDED));
drainableAppCallback.drain();
verify(taskScheduler).deallocateTask(eq(ta13), eq(true));
verify(taskSchedulerEventHandler, times(0)).taskAllocated(eq(ta14), any(Object.class),
eq(container2));
verify(rmClient, times(1)).releaseAssignedContainer(eq(container2.getId()));
eventHandler.verifyInvocation(AMContainerEventStopRequest.class);
eventHandler.reset();
/**
* Schedule 2 tasks with same jvm profiling option.
* Container should be reused.
*/
tezConf.set(TezConfiguration.TEZ_TASK_SPECIFIC_LAUNCH_CMD_OPTS_LIST, "v1[1,2,3,5,6]");
tezConf.set(TezConfiguration.TEZ_TASK_SPECIFIC_LAUNCH_CMD_OPTS, "dummyOpts");
taskSpecificLaunchCmdOption = new TaskSpecificLaunchCmdOption(tezConf);
//Vertex 1, Task 5, Attempt 1, host3
TezTaskAttemptID taID15 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 3), 1);
TaskAttempt ta15 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent5 =
createLaunchRequestEvent(taID15, ta15, resource1, host3, racks,
priority1, localResources,
taskSpecificLaunchCmdOption.getTaskSpecificOption("", "v1", 5));
//Vertex 1, Task 6, Attempt 1, host3
tsLaunchCmdOpts = taskSpecificLaunchCmdOption.getTaskSpecificOption("", "v1", 4);
TezTaskAttemptID taID16 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 4), 1);
TaskAttempt ta16 = mock(TaskAttempt.class);
AMSchedulerEventTALaunchRequest lrEvent6 =
createLaunchRequestEvent(taID16, ta16, resource1, host3, racks,
priority1, localResources, taskSpecificLaunchCmdOption.getTaskSpecificOption("", "v1", 6));
// Container started
Container container3 = createContainer(2, "host3", resource1, priority1);
taskSchedulerEventHandler.handleEvent(lrEvent5);
taskSchedulerEventHandler.handleEvent(lrEvent6);
drainNotifier.set(false);
taskScheduler.onContainersAllocated(Collections.singletonList(container3));
TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
drainableAppCallback.drain();
verify(taskSchedulerEventHandler).taskAllocated(eq(ta15), any(Object.class), eq(container3));
//Ensure task 6 (of vertex 1) is allocated to same container
taskSchedulerEventHandler.handleEvent(new AMSchedulerEventTAEnded(ta15, container3.getId(), TaskAttemptState.SUCCEEDED));
drainableAppCallback.drain();
verify(taskScheduler).deallocateTask(eq(ta15), eq(true));
verify(taskSchedulerEventHandler).taskAllocated(eq(ta16), any(Object.class), eq(container3));
eventHandler.reset();
taskScheduler.close();
taskSchedulerEventHandler.close();
}