Examples with TaskRequest org.apache.tez.dag.app.rm.DagAwareYarnTaskScheduler.TaskRequest used on opensource projects

Example 6 with TaskRequest

use of org.apache.tez.dag.app.rm.DagAwareYarnTaskScheduler.TaskRequest in project tez by apache.

the class TestDagAwareYarnTaskScheduler method testSimpleReuseLocalMatching.

@Test(timeout = 30000)
public void testSimpleReuseLocalMatching() throws Exception {
    AMRMClientAsyncWrapperForTest mockRMClient = spy(new AMRMClientAsyncWrapperForTest());
    String appHost = "host";
    int appPort = 0;
    String appUrl = "url";
    Configuration conf = new Configuration();
    conf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_ENABLED, true);
    conf.setInt(TezConfiguration.TEZ_AM_CONTAINER_REUSE_LOCALITY_DELAY_ALLOCATION_MILLIS, 100);
    conf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_RACK_FALLBACK_ENABLED, false);
    conf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_NON_LOCAL_FALLBACK_ENABLED, false);
    conf.setInt(TezConfiguration.TEZ_AM_RM_HEARTBEAT_INTERVAL_MS_MAX, 100);
    DagInfo mockDagInfo = mock(DagInfo.class);
    when(mockDagInfo.getTotalVertices()).thenReturn(10);
    when(mockDagInfo.getVertexDescendants(anyInt())).thenReturn(new BitSet());
    TaskSchedulerContext mockApp = setupMockTaskSchedulerContext(appHost, appPort, appUrl, conf);
    when(mockApp.getCurrentDagInfo()).thenReturn(mockDagInfo);
    TaskSchedulerContextDrainable drainableAppCallback = createDrainableContext(mockApp);
    MockClock clock = new MockClock(1000);
    NewTaskSchedulerForTest scheduler = new NewTaskSchedulerForTest(drainableAppCallback, mockRMClient, clock);
    scheduler.initialize();
    drainableAppCallback.drain();
    scheduler.start();
    drainableAppCallback.drain();
    verify(mockRMClient).start();
    verify(mockRMClient).registerApplicationMaster(appHost, appPort, appUrl);
    RegisterApplicationMasterResponse regResponse = mockRMClient.getRegistrationResponse();
    verify(mockApp).setApplicationRegistrationData(regResponse.getMaximumResourceCapability(), regResponse.getApplicationACLs(), regResponse.getClientToAMTokenMasterKey(), regResponse.getQueue());
    assertEquals(scheduler.getClusterNodeCount(), mockRMClient.getClusterNodeCount());
    Priority priorityv0 = Priority.newInstance(1);
    Priority priorityv1 = Priority.newInstance(2);
    String[] hostsv0t0 = { "host1", "host2" };
    MockTaskInfo taskv0t0 = new MockTaskInfo("taskv0t0", priorityv0, hostsv0t0);
    MockTaskInfo taskv0t1 = new MockTaskInfo("taskv0t1", priorityv0, "host3");
    MockTaskInfo taskv0t2 = new MockTaskInfo("taskv0t2", priorityv0, hostsv0t0);
    MockTaskInfo taskv1t0 = new MockTaskInfo("taskv1t0", priorityv1, hostsv0t0);
    MockTaskInfo taskv1t1 = new MockTaskInfo("taskv1t1", priorityv1, hostsv0t0);
    TaskRequestCaptor taskRequestCaptor = new TaskRequestCaptor(mockRMClient, scheduler, drainableAppCallback);
    TaskRequest reqv0t0 = taskRequestCaptor.scheduleTask(taskv0t0);
    taskRequestCaptor.scheduleTask(taskv0t1);
    TaskRequest reqv0t2 = taskRequestCaptor.scheduleTask(taskv0t2);
    TaskRequest reqv1t0 = taskRequestCaptor.scheduleTask(taskv1t0);
    taskRequestCaptor.scheduleTask(taskv1t1);
    NodeId host1 = NodeId.newInstance("host1", 1);
    ApplicationAttemptId attemptId = ApplicationAttemptId.newInstance(ApplicationId.newInstance(1, 1), 1);
    ContainerId cid1 = ContainerId.newContainerId(attemptId, 1);
    Container container1 = Container.newInstance(cid1, host1, null, taskv0t0.capability, priorityv0, null);
    // allocate one container at v0 priority
    scheduler.onContainersAllocated(Collections.singletonList(container1));
    drainableAppCallback.drain();
    verify(mockApp).taskAllocated(taskv0t0.task, taskv0t0.cookie, container1);
    verify(mockRMClient).removeContainerRequest(reqv0t0);
    // finish v0t0 successfully, verify v0t1 is skipped and v0t2 instead is assigned to the container
    assertTrue(scheduler.deallocateTask(taskv0t0.task, true, null, null));
    clock.incrementTime(10000);
    drainableAppCallback.drain();
    verify(mockApp, never()).containerBeingReleased(any(ContainerId.class));
    verify(mockRMClient, never()).releaseAssignedContainer(any(ContainerId.class));
    verify(mockApp).taskAllocated(taskv0t2.task, taskv0t2.cookie, container1);
    verify(mockRMClient).removeContainerRequest(reqv0t2);
    // finish v0t2 successfully, verify v1t0 is assigned to the same container
    assertTrue(scheduler.deallocateTask(taskv0t2.task, true, null, null));
    clock.incrementTime(10000);
    drainableAppCallback.drain();
    verify(mockApp, never()).containerBeingReleased(any(ContainerId.class));
    verify(mockRMClient, never()).releaseAssignedContainer(any(ContainerId.class));
    verify(mockApp).taskAllocated(taskv1t0.task, taskv1t0.cookie, container1);
    verify(mockRMClient).removeContainerRequest(reqv1t0);
    // fail v1t0 and verify container is released instead of reused for v1t1
    assertTrue(scheduler.deallocateTask(taskv1t0.task, false, null, null));
    clock.incrementTime(10000);
    drainableAppCallback.drain();
    verify(mockApp).containerBeingReleased(cid1);
    verify(mockRMClient).releaseAssignedContainer(cid1);
    String appMsg = "success";
    AppFinalStatus finalStatus = new AppFinalStatus(FinalApplicationStatus.SUCCEEDED, appMsg, appUrl);
    when(mockApp.getFinalAppStatus()).thenReturn(finalStatus);
    scheduler.shutdown();
    drainableAppCallback.drain();
    verify(mockRMClient).unregisterApplicationMaster(FinalApplicationStatus.SUCCEEDED, appMsg, appUrl);
    verify(mockRMClient).stop();
}

Example 7 with TaskRequest

use of org.apache.tez.dag.app.rm.DagAwareYarnTaskScheduler.TaskRequest in project tez by apache.

the class TestDagAwareYarnTaskScheduler method testSimpleReuseRackMatching.

@Test(timeout = 30000)
public void testSimpleReuseRackMatching() throws Exception {
    AMRMClientAsyncWrapperForTest mockRMClient = spy(new AMRMClientAsyncWrapperForTest());
    String appHost = "host";
    int appPort = 0;
    String appUrl = "url";
    Configuration conf = new Configuration();
    conf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_ENABLED, true);
    conf.setInt(TezConfiguration.TEZ_AM_CONTAINER_REUSE_LOCALITY_DELAY_ALLOCATION_MILLIS, 100);
    conf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_RACK_FALLBACK_ENABLED, true);
    conf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_NON_LOCAL_FALLBACK_ENABLED, false);
    conf.setInt(TezConfiguration.TEZ_AM_RM_HEARTBEAT_INTERVAL_MS_MAX, 100);
    DagInfo mockDagInfo = mock(DagInfo.class);
    when(mockDagInfo.getTotalVertices()).thenReturn(10);
    when(mockDagInfo.getVertexDescendants(anyInt())).thenReturn(new BitSet());
    TaskSchedulerContext mockApp = setupMockTaskSchedulerContext(appHost, appPort, appUrl, conf);
    when(mockApp.getCurrentDagInfo()).thenReturn(mockDagInfo);
    TaskSchedulerContextDrainable drainableAppCallback = createDrainableContext(mockApp);
    MockClock clock = new MockClock(1000);
    NewTaskSchedulerForTest scheduler = new NewTaskSchedulerForTest(drainableAppCallback, mockRMClient, clock);
    scheduler.initialize();
    drainableAppCallback.drain();
    scheduler.start();
    drainableAppCallback.drain();
    verify(mockRMClient).start();
    verify(mockRMClient).registerApplicationMaster(appHost, appPort, appUrl);
    RegisterApplicationMasterResponse regResponse = mockRMClient.getRegistrationResponse();
    verify(mockApp).setApplicationRegistrationData(regResponse.getMaximumResourceCapability(), regResponse.getApplicationACLs(), regResponse.getClientToAMTokenMasterKey(), regResponse.getQueue());
    assertEquals(scheduler.getClusterNodeCount(), mockRMClient.getClusterNodeCount());
    Priority priorityv0 = Priority.newInstance(1);
    Priority priorityv1 = Priority.newInstance(2);
    String[] hostsv0t0 = { "host1", "host2" };
    MockTaskInfo taskv0t0 = new MockTaskInfo("taskv0t0", priorityv0, hostsv0t0);
    MockTaskInfo taskv0t1 = new MockTaskInfo("taskv0t1", priorityv0, "host2");
    MockTaskInfo taskv0t2 = new MockTaskInfo("taskv0t2", priorityv0, "host4", "/somerack");
    MockTaskInfo taskv1t0 = new MockTaskInfo("taskv1t0", priorityv1, "host1");
    MockTaskInfo taskv1t1 = new MockTaskInfo("taskv1t1", priorityv1, "host5");
    TaskRequestCaptor taskRequestCaptor = new TaskRequestCaptor(mockRMClient, scheduler, drainableAppCallback);
    TaskRequest reqv0t0 = taskRequestCaptor.scheduleTask(taskv0t0);
    TaskRequest reqv0t1 = taskRequestCaptor.scheduleTask(taskv0t1);
    taskRequestCaptor.scheduleTask(taskv0t2);
    TaskRequest reqv1t0 = taskRequestCaptor.scheduleTask(taskv1t0);
    taskRequestCaptor.scheduleTask(taskv1t1);
    NodeId host1 = NodeId.newInstance("host1", 1);
    ApplicationAttemptId attemptId = ApplicationAttemptId.newInstance(ApplicationId.newInstance(1, 1), 1);
    ContainerId cid1 = ContainerId.newContainerId(attemptId, 1);
    Container container1 = Container.newInstance(cid1, host1, null, taskv0t0.capability, priorityv0, null);
    // allocate one container at v0 priority
    scheduler.onContainersAllocated(Collections.singletonList(container1));
    drainableAppCallback.drain();
    verify(mockApp).taskAllocated(taskv0t0.task, taskv0t0.cookie, container1);
    verify(mockRMClient).removeContainerRequest(reqv0t0);
    // finish v0t0 successfully, verify v0t1 is skipped and v1t0 assigned instead
    // since host locality is preferred to rack locality and lower priority vertex
    // is not blocked by higher priority vertex
    assertTrue(scheduler.deallocateTask(taskv0t0.task, true, null, null));
    clock.incrementTime(10000);
    drainableAppCallback.drain();
    verify(mockApp, never()).containerBeingReleased(any(ContainerId.class));
    verify(mockRMClient, never()).releaseAssignedContainer(any(ContainerId.class));
    verify(mockApp).taskAllocated(taskv1t0.task, taskv1t0.cookie, container1);
    verify(mockRMClient).removeContainerRequest(reqv1t0);
    // finish v1t0 successfully, verify v0t1 is assigned
    assertTrue(scheduler.deallocateTask(taskv1t0.task, true, null, null));
    clock.incrementTime(10000);
    drainableAppCallback.drain();
    verify(mockApp, never()).containerBeingReleased(any(ContainerId.class));
    verify(mockRMClient, never()).releaseAssignedContainer(any(ContainerId.class));
    verify(mockApp).taskAllocated(taskv0t1.task, taskv0t1.cookie, container1);
    verify(mockRMClient).removeContainerRequest(reqv0t1);
    // fail v0t1 and verify container is released instead of reused for v1t1
    assertTrue(scheduler.deallocateTask(taskv0t1.task, false, null, null));
    clock.incrementTime(10000);
    drainableAppCallback.drain();
    verify(mockApp).containerBeingReleased(cid1);
    verify(mockRMClient).releaseAssignedContainer(cid1);
    String appMsg = "success";
    AppFinalStatus finalStatus = new AppFinalStatus(FinalApplicationStatus.SUCCEEDED, appMsg, appUrl);
    when(mockApp.getFinalAppStatus()).thenReturn(finalStatus);
    scheduler.shutdown();
    drainableAppCallback.drain();
    verify(mockRMClient).unregisterApplicationMaster(FinalApplicationStatus.SUCCEEDED, appMsg, appUrl);
    verify(mockRMClient).stop();
}

Example 8 with TaskRequest

use of org.apache.tez.dag.app.rm.DagAwareYarnTaskScheduler.TaskRequest in project tez by apache.

the class TestDagAwareYarnTaskScheduler method testSimpleReuseAnyMatching.

@Test(timeout = 30000)
public void testSimpleReuseAnyMatching() throws Exception {
    AMRMClientAsyncWrapperForTest mockRMClient = spy(new AMRMClientAsyncWrapperForTest());
    String appHost = "host";
    int appPort = 0;
    String appUrl = "url";
    Configuration conf = new Configuration();
    conf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_ENABLED, true);
    conf.setInt(TezConfiguration.TEZ_AM_CONTAINER_REUSE_LOCALITY_DELAY_ALLOCATION_MILLIS, 100);
    conf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_RACK_FALLBACK_ENABLED, true);
    conf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_NON_LOCAL_FALLBACK_ENABLED, true);
    conf.setInt(TezConfiguration.TEZ_AM_RM_HEARTBEAT_INTERVAL_MS_MAX, 100);
    DagInfo mockDagInfo = mock(DagInfo.class);
    when(mockDagInfo.getTotalVertices()).thenReturn(10);
    when(mockDagInfo.getVertexDescendants(anyInt())).thenReturn(new BitSet());
    TaskSchedulerContext mockApp = setupMockTaskSchedulerContext(appHost, appPort, appUrl, conf);
    when(mockApp.getCurrentDagInfo()).thenReturn(mockDagInfo);
    TaskSchedulerContextDrainable drainableAppCallback = createDrainableContext(mockApp);
    MockClock clock = new MockClock(1000);
    NewTaskSchedulerForTest scheduler = new NewTaskSchedulerForTest(drainableAppCallback, mockRMClient, clock);
    scheduler.initialize();
    drainableAppCallback.drain();
    scheduler.start();
    drainableAppCallback.drain();
    verify(mockRMClient).start();
    verify(mockRMClient).registerApplicationMaster(appHost, appPort, appUrl);
    RegisterApplicationMasterResponse regResponse = mockRMClient.getRegistrationResponse();
    verify(mockApp).setApplicationRegistrationData(regResponse.getMaximumResourceCapability(), regResponse.getApplicationACLs(), regResponse.getClientToAMTokenMasterKey(), regResponse.getQueue());
    assertEquals(scheduler.getClusterNodeCount(), mockRMClient.getClusterNodeCount());
    Priority priorityv0 = Priority.newInstance(1);
    Priority priorityv1 = Priority.newInstance(2);
    String[] hostsv0t0 = { "host1", "host2" };
    MockTaskInfo taskv0t0 = new MockTaskInfo("taskv0t0", priorityv0, hostsv0t0);
    MockTaskInfo taskv0t1 = new MockTaskInfo("taskv0t1", priorityv0, "host2");
    MockTaskInfo taskv0t2 = new MockTaskInfo("taskv0t2", priorityv0, "host4", "/rack4");
    MockTaskInfo taskv1t0 = new MockTaskInfo("taskv1t0", priorityv1, "host1");
    MockTaskInfo taskv1t1 = new MockTaskInfo("taskv1t1", priorityv1, "host6", "/rack6");
    TaskRequestCaptor taskRequestCaptor = new TaskRequestCaptor(mockRMClient, scheduler, drainableAppCallback);
    TaskRequest reqv0t0 = taskRequestCaptor.scheduleTask(taskv0t0);
    TaskRequest reqv0t1 = taskRequestCaptor.scheduleTask(taskv0t1);
    TaskRequest reqv0t2 = taskRequestCaptor.scheduleTask(taskv0t2);
    TaskRequest reqv1t0 = taskRequestCaptor.scheduleTask(taskv1t0);
    taskRequestCaptor.scheduleTask(taskv1t1);
    NodeId host1 = NodeId.newInstance("host1", 1);
    ApplicationAttemptId attemptId = ApplicationAttemptId.newInstance(ApplicationId.newInstance(1, 1), 1);
    ContainerId cid1 = ContainerId.newContainerId(attemptId, 1);
    Container container1 = Container.newInstance(cid1, host1, null, taskv0t0.capability, priorityv0, null);
    // allocate one container at v0 priority
    scheduler.onContainersAllocated(Collections.singletonList(container1));
    drainableAppCallback.drain();
    verify(mockApp).taskAllocated(taskv0t0.task, taskv0t0.cookie, container1);
    verify(mockRMClient).removeContainerRequest(reqv0t0);
    // finish v0t0 successfully, verify v0t1 is skipped and v1t0 assigned instead
    // since host locality is preferred to rack locality and lower priority vertex
    // is not blocked by higher priority vertex
    assertTrue(scheduler.deallocateTask(taskv0t0.task, true, null, null));
    clock.incrementTime(10000);
    drainableAppCallback.drain();
    verify(mockApp, never()).containerBeingReleased(any(ContainerId.class));
    verify(mockRMClient, never()).releaseAssignedContainer(any(ContainerId.class));
    verify(mockApp).taskAllocated(taskv1t0.task, taskv1t0.cookie, container1);
    verify(mockRMClient).removeContainerRequest(reqv1t0);
    // finish v1t0 successfully, verify v0t1 is assigned
    assertTrue(scheduler.deallocateTask(taskv1t0.task, true, null, null));
    clock.incrementTime(10000);
    drainableAppCallback.drain();
    verify(mockApp, never()).containerBeingReleased(any(ContainerId.class));
    verify(mockRMClient, never()).releaseAssignedContainer(any(ContainerId.class));
    verify(mockApp).taskAllocated(taskv0t1.task, taskv0t1.cookie, container1);
    verify(mockRMClient).removeContainerRequest(reqv0t1);
    // finish v0t1 successfully, verify v0t2 is assigned
    assertTrue(scheduler.deallocateTask(taskv0t1.task, true, null, null));
    clock.incrementTime(10000);
    drainableAppCallback.drain();
    verify(mockApp, never()).containerBeingReleased(any(ContainerId.class));
    verify(mockRMClient, never()).releaseAssignedContainer(any(ContainerId.class));
    verify(mockApp).taskAllocated(taskv0t2.task, taskv0t2.cookie, container1);
    verify(mockRMClient).removeContainerRequest(reqv0t2);
    // fail v0t2 and verify container is released instead of reused for v1t1
    assertTrue(scheduler.deallocateTask(taskv0t2.task, false, null, null));
    clock.incrementTime(10000);
    drainableAppCallback.drain();
    verify(mockApp).containerBeingReleased(cid1);
    verify(mockRMClient).releaseAssignedContainer(cid1);
    String appMsg = "success";
    AppFinalStatus finalStatus = new AppFinalStatus(FinalApplicationStatus.SUCCEEDED, appMsg, appUrl);
    when(mockApp.getFinalAppStatus()).thenReturn(finalStatus);
    scheduler.shutdown();
    drainableAppCallback.drain();
    verify(mockRMClient).unregisterApplicationMaster(FinalApplicationStatus.SUCCEEDED, appMsg, appUrl);
    verify(mockRMClient).stop();
}

Example 9 with TaskRequest

use of org.apache.tez.dag.app.rm.DagAwareYarnTaskScheduler.TaskRequest in project tez by apache.

the class TestDagAwareYarnTaskScheduler method testReuseWithAffinity.

@Test(timeout = 30000)
public void testReuseWithAffinity() throws Exception {
    AMRMClientAsyncWrapperForTest mockRMClient = spy(new AMRMClientAsyncWrapperForTest());
    String appHost = "host";
    int appPort = 0;
    String appUrl = "url";
    Configuration conf = new Configuration();
    conf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_ENABLED, true);
    conf.setInt(TezConfiguration.TEZ_AM_CONTAINER_REUSE_LOCALITY_DELAY_ALLOCATION_MILLIS, 100);
    conf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_RACK_FALLBACK_ENABLED, true);
    conf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_NON_LOCAL_FALLBACK_ENABLED, false);
    conf.setInt(TezConfiguration.TEZ_AM_RM_HEARTBEAT_INTERVAL_MS_MAX, 100);
    DagInfo mockDagInfo = mock(DagInfo.class);
    when(mockDagInfo.getTotalVertices()).thenReturn(10);
    when(mockDagInfo.getVertexDescendants(anyInt())).thenReturn(new BitSet());
    TaskSchedulerContext mockApp = setupMockTaskSchedulerContext(appHost, appPort, appUrl, conf);
    when(mockApp.getCurrentDagInfo()).thenReturn(mockDagInfo);
    TaskSchedulerContextDrainable drainableAppCallback = createDrainableContext(mockApp);
    MockClock clock = new MockClock(1000);
    NewTaskSchedulerForTest scheduler = new NewTaskSchedulerForTest(drainableAppCallback, mockRMClient, clock);
    scheduler.initialize();
    drainableAppCallback.drain();
    scheduler.start();
    drainableAppCallback.drain();
    verify(mockRMClient).start();
    verify(mockRMClient).registerApplicationMaster(appHost, appPort, appUrl);
    RegisterApplicationMasterResponse regResponse = mockRMClient.getRegistrationResponse();
    verify(mockApp).setApplicationRegistrationData(regResponse.getMaximumResourceCapability(), regResponse.getApplicationACLs(), regResponse.getClientToAMTokenMasterKey(), regResponse.getQueue());
    assertEquals(scheduler.getClusterNodeCount(), mockRMClient.getClusterNodeCount());
    Priority priorityv0 = Priority.newInstance(1);
    Priority priorityv1 = Priority.newInstance(2);
    String[] hostsv0t0 = { "host1", "host2" };
    MockTaskInfo taskv0t0 = new MockTaskInfo("taskv0t0", priorityv0, hostsv0t0);
    MockTaskInfo taskv0t1 = new MockTaskInfo("taskv0t1", priorityv0, hostsv0t0);
    TaskRequestCaptor taskRequestCaptor = new TaskRequestCaptor(mockRMClient, scheduler, drainableAppCallback);
    TaskRequest reqv0t0 = taskRequestCaptor.scheduleTask(taskv0t0);
    taskRequestCaptor.scheduleTask(taskv0t1);
    NodeId host1 = NodeId.newInstance("host1", 1);
    ApplicationAttemptId attemptId = ApplicationAttemptId.newInstance(ApplicationId.newInstance(1, 1), 1);
    ContainerId cid1 = ContainerId.newContainerId(attemptId, 1);
    Container container1 = Container.newInstance(cid1, host1, null, taskv0t0.capability, priorityv0, null);
    // allocate one container at v0 priority
    scheduler.onContainersAllocated(Collections.singletonList(container1));
    drainableAppCallback.drain();
    verify(mockApp).taskAllocated(taskv0t0.task, taskv0t0.cookie, container1);
    verify(mockRMClient).removeContainerRequest(reqv0t0);
    // add a new request for this container
    MockTaskInfo taskv1t0 = new MockTaskInfo("taskv1t0", priorityv1, "host1");
    TaskRequest reqv1t0 = taskRequestCaptor.scheduleTask(taskv1t0, cid1);
    // finish v0t0 successfully, verify v0t1 is skipped even though it is node-local
    // and v1t0 assigned instead for affinity
    assertTrue(scheduler.deallocateTask(taskv0t0.task, true, null, null));
    clock.incrementTime(10000);
    drainableAppCallback.drain();
    verify(mockApp, never()).containerBeingReleased(any(ContainerId.class));
    verify(mockRMClient, never()).releaseAssignedContainer(any(ContainerId.class));
    verify(mockApp).taskAllocated(taskv1t0.task, taskv1t0.cookie, container1);
    verify(mockRMClient).removeContainerRequest(reqv1t0);
    String appMsg = "success";
    AppFinalStatus finalStatus = new AppFinalStatus(FinalApplicationStatus.SUCCEEDED, appMsg, appUrl);
    when(mockApp.getFinalAppStatus()).thenReturn(finalStatus);
    scheduler.shutdown();
    drainableAppCallback.drain();
    verify(mockRMClient).unregisterApplicationMaster(FinalApplicationStatus.SUCCEEDED, appMsg, appUrl);
    verify(mockRMClient).stop();
}