Examples with TaskSchedulerContextDrainable org.apache.tez.dag.app.rm.TestTaskSchedulerHelpers.TaskSchedulerContextDrainable used on opensource projects

Example 6 with TaskSchedulerContextDrainable

use of org.apache.tez.dag.app.rm.TestTaskSchedulerHelpers.TaskSchedulerContextDrainable in project tez by apache.

the class TestContainerReuse method testDifferentResourceContainerReuse.

@Test(timeout = 5000)
public void testDifferentResourceContainerReuse() throws Exception {
    Configuration tezConf = new Configuration(new YarnConfiguration());
    tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_ENABLED, true);
    tezConf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_RACK_FALLBACK_ENABLED, true);
    tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_REUSE_LOCALITY_DELAY_ALLOCATION_MILLIS, 0);
    tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MIN_MILLIS, 0);
    tezConf.setLong(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MAX_MILLIS, 0);
    CapturingEventHandler eventHandler = new CapturingEventHandler();
    TezDAGID dagID = TezDAGID.getInstance("0", 0, 0);
    AMRMClient<CookieContainerRequest> rmClientCore = new AMRMClientForTest();
    TezAMRMClientAsync<CookieContainerRequest> rmClient = spy(new AMRMClientAsyncForTest(rmClientCore, 100));
    AppContext appContext = mock(AppContext.class);
    doReturn(new Configuration(false)).when(appContext).getAMConf();
    AMContainerMap amContainerMap = new AMContainerMap(mock(ContainerHeartbeatHandler.class), mock(TaskCommunicatorManagerInterface.class), new ContainerContextMatcher(), appContext);
    AMNodeTracker amNodeTracker = new AMNodeTracker(eventHandler, appContext);
    doReturn(amContainerMap).when(appContext).getAllContainers();
    doReturn(amNodeTracker).when(appContext).getNodeTracker();
    doReturn(DAGAppMasterState.RUNNING).when(appContext).getAMState();
    doReturn(dagID).when(appContext).getCurrentDAGID();
    doReturn(mock(ClusterInfo.class)).when(appContext).getClusterInfo();
    TaskSchedulerManager taskSchedulerManagerReal = new TaskSchedulerManagerForTest(appContext, eventHandler, rmClient, new AlwaysMatchesContainerMatcher(), TezUtils.createUserPayloadFromConf(tezConf));
    TaskSchedulerManager taskSchedulerManager = spy(taskSchedulerManagerReal);
    taskSchedulerManager.init(tezConf);
    taskSchedulerManager.start();
    TaskSchedulerWithDrainableContext taskScheduler = (TaskSchedulerWithDrainableContext) ((TaskSchedulerManagerForTest) taskSchedulerManager).getSpyTaskScheduler();
    TaskSchedulerContextDrainable drainableAppCallback = taskScheduler.getDrainableAppCallback();
    AtomicBoolean drainNotifier = new AtomicBoolean(false);
    taskScheduler.delayedContainerManager.drainedDelayedContainersForTest = drainNotifier;
    Resource resource1 = Resource.newInstance(1024, 1);
    Resource resource2 = Resource.newInstance(2048, 1);
    String[] host1 = { "host1" };
    String[] host2 = { "host2" };
    String[] racks = { "/default-rack" };
    Priority priority1 = Priority.newInstance(1);
    TezVertexID vertexID1 = TezVertexID.getInstance(dagID, 1);
    // 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);
    // 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);
    // Vertex 1, Task 3, Attempt 1, host2
    TezTaskAttemptID taID13 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 3), 1);
    TaskAttempt ta13 = mock(TaskAttempt.class);
    AMSchedulerEventTALaunchRequest lrEvent3 = createLaunchRequestEvent(taID13, ta13, resource2, host2, racks, priority1);
    // Vertex 1, Task 4, Attempt 1, host2
    TezTaskAttemptID taID14 = TezTaskAttemptID.getInstance(TezTaskID.getInstance(vertexID1, 4), 1);
    TaskAttempt ta14 = mock(TaskAttempt.class);
    AMSchedulerEventTALaunchRequest lrEvent4 = createLaunchRequestEvent(taID14, ta14, resource2, host2, racks, priority1);
    taskSchedulerManager.handleEvent(lrEvent1);
    taskSchedulerManager.handleEvent(lrEvent2);
    taskSchedulerManager.handleEvent(lrEvent3);
    taskSchedulerManager.handleEvent(lrEvent4);
    Container container1 = createContainer(1, "host1", resource1, priority1);
    Container container2 = createContainer(2, "host2", resource2, priority1);
    // One container allocated, should start ta11
    taskScheduler.onContainersAllocated(Collections.singletonList(container1));
    TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
    drainableAppCallback.drain();
    verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta11), any(Object.class), eq(container1));
    // Second container allocated, should start ta13
    taskScheduler.onContainersAllocated(Collections.singletonList(container2));
    TestTaskSchedulerHelpers.waitForDelayedDrainNotify(drainNotifier);
    drainableAppCallback.drain();
    verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta13), any(Object.class), eq(container2));
    // ta11 finished, should start ta12
    taskSchedulerManager.handleEvent(new AMSchedulerEventTAEnded(ta11, container1.getId(), TaskAttemptState.SUCCEEDED, null, null, 0));
    drainableAppCallback.drain();
    verifyDeAllocateTask(taskScheduler, ta11, true, null, null);
    verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta12), any(Object.class), eq(container1));
    verify(rmClient, times(0)).releaseAssignedContainer(eq(container1.getId()));
    eventHandler.verifyNoInvocations(AMContainerEventStopRequest.class);
    eventHandler.reset();
    // ta13 finished, should start ta14
    taskSchedulerManager.handleEvent(new AMSchedulerEventTAEnded(ta13, container2.getId(), TaskAttemptState.SUCCEEDED, null, null, 0));
    drainableAppCallback.drain();
    verifyDeAllocateTask(taskScheduler, ta13, true, null, null);
    verify(taskSchedulerManager).taskAllocated(eq(0), eq(ta14), any(Object.class), eq(container2));
    verify(rmClient, times(0)).releaseAssignedContainer(eq(container2.getId()));
    eventHandler.verifyNoInvocations(AMContainerEventStopRequest.class);
    eventHandler.reset();
    // ta12 finished no pending requests, should release container1
    taskSchedulerManager.handleEvent(new AMSchedulerEventTAEnded(ta12, container1.getId(), TaskAttemptState.SUCCEEDED, null, null, 0));
    drainableAppCallback.drain();
    verifyDeAllocateTask(taskScheduler, ta12, true, null, null);
    verify(rmClient).releaseAssignedContainer(eq(container1.getId()));
    eventHandler.verifyInvocation(AMContainerEventStopRequest.class);
    eventHandler.reset();
    // ta14 finished no pending requests, should release container2.
    taskSchedulerManager.handleEvent(new AMSchedulerEventTAEnded(ta14, container2.getId(), TaskAttemptState.SUCCEEDED, null, null, 0));
    drainableAppCallback.drain();
    verifyDeAllocateTask(taskScheduler, ta14, true, null, null);
    verify(rmClient).releaseAssignedContainer(eq(container2.getId()));
    eventHandler.verifyInvocation(AMContainerEventStopRequest.class);
    eventHandler.reset();
    taskScheduler.shutdown();
    taskSchedulerManager.close();
}

Example 7 with TaskSchedulerContextDrainable

use of org.apache.tez.dag.app.rm.TestTaskSchedulerHelpers.TaskSchedulerContextDrainable in project tez by apache.

the class TestDagAwareYarnTaskScheduler method testReuseVertexDescendants.

@Test(timeout = 30000)
public void testReuseVertexDescendants() 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);
    // vertex 0 and vertex 2 are root vertices and vertex 1 is a child of vertex 0
    DagInfo mockDagInfo = mock(DagInfo.class);
    when(mockDagInfo.getTotalVertices()).thenReturn(3);
    when(mockDagInfo.getVertexDescendants(0)).thenReturn(BitSet.valueOf(new long[] { 0x2 }));
    when(mockDagInfo.getVertexDescendants(1)).thenReturn(new BitSet());
    when(mockDagInfo.getVertexDescendants(2)).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);
    Priority priorityv2 = Priority.newInstance(3);
    String[] hostsv0t0 = { "host1", "host2" };
    MockTaskInfo taskv0t0 = new MockTaskInfo("taskv0t0", priorityv0, hostsv0t0);
    when(mockApp.getVertexIndexForTask(taskv0t0.task)).thenReturn(0);
    MockTaskInfo taskv0t1 = new MockTaskInfo("taskv0t1", priorityv0, "host3");
    when(mockApp.getVertexIndexForTask(taskv0t1.task)).thenReturn(0);
    MockTaskInfo taskv1t0 = new MockTaskInfo("taskv1t0", priorityv1, hostsv0t0);
    when(mockApp.getVertexIndexForTask(taskv1t0.task)).thenReturn(1);
    MockTaskInfo taskv2t0 = new MockTaskInfo("taskv2t0", priorityv2, hostsv0t0);
    when(mockApp.getVertexIndexForTask(taskv2t0.task)).thenReturn(2);
    MockTaskInfo taskv2t1 = new MockTaskInfo("taskv2t1", priorityv2, "host3");
    when(mockApp.getVertexIndexForTask(taskv2t1.task)).thenReturn(2);
    TaskRequestCaptor taskRequestCaptor = new TaskRequestCaptor(mockRMClient, scheduler, drainableAppCallback);
    TaskRequest reqv0t0 = taskRequestCaptor.scheduleTask(taskv0t0);
    TaskRequest reqv0t1 = taskRequestCaptor.scheduleTask(taskv0t1);
    TaskRequest reqv1t0 = taskRequestCaptor.scheduleTask(taskv1t0);
    TaskRequest reqv2t0 = taskRequestCaptor.scheduleTask(taskv2t0);
    taskRequestCaptor.scheduleTask(taskv2t1);
    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 v1t0 is skipped and v2t0 assigned instead
    // since host locality beats rack locality for unblocked vertex v2 and
    // v1 is blocked by pending v0 request
    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(taskv2t0.task, taskv2t0.cookie, container1);
    verify(mockRMClient).removeContainerRequest(reqv2t0);
    // finish v2t0 successfully, verify v0t1 is assigned since it is higher
    // priority than v2
    assertTrue(scheduler.deallocateTask(taskv2t0.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 v2t0 successfully, verify v1t0 is assigned since it is now unblocked
    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(taskv1t0.task, taskv1t0.cookie, container1);
    verify(mockRMClient).removeContainerRequest(reqv1t0);
    // fail v1t0 and verify container is released instead of reused for v2t1
    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 8 with TaskSchedulerContextDrainable

use of org.apache.tez.dag.app.rm.TestTaskSchedulerHelpers.TaskSchedulerContextDrainable in project tez by apache.

the class TestDagAwareYarnTaskScheduler method testSessionContainers.

@Test(timeout = 30000)
public void testSessionContainers() 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);
    conf.setInt(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MIN_MILLIS, 4000);
    conf.setInt(TezConfiguration.TEZ_AM_CONTAINER_IDLE_RELEASE_TIMEOUT_MAX_MILLIS, 5000);
    conf.setInt(TezConfiguration.TEZ_AM_SESSION_MIN_HELD_CONTAINERS, 5);
    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);
    when(mockApp.isSession()).thenReturn(true);
    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());
    final String rack1 = "/r1";
    final String rack2 = "/r2";
    final String rack3 = "/r3";
    final String node1Rack1 = "n1r1";
    final String node2Rack1 = "n2r1";
    final String node1Rack2 = "n1r2";
    final String node2Rack2 = "n2r2";
    final String node1Rack3 = "n1r3";
    MockDNSToSwitchMapping.addRackMapping(node1Rack1, rack1);
    MockDNSToSwitchMapping.addRackMapping(node2Rack1, rack1);
    MockDNSToSwitchMapping.addRackMapping(node1Rack2, rack2);
    MockDNSToSwitchMapping.addRackMapping(node2Rack2, rack2);
    MockDNSToSwitchMapping.addRackMapping(node1Rack3, rack3);
    Priority priorityv0 = Priority.newInstance(1);
    MockTaskInfo taskv0t0 = new MockTaskInfo("taskv0t0", priorityv0, node1Rack1, rack1);
    MockTaskInfo taskv0t1 = new MockTaskInfo("taskv0t1", priorityv0, node2Rack1, rack1);
    MockTaskInfo taskv0t2 = new MockTaskInfo("taskv0t2", priorityv0, node1Rack1, rack1);
    MockTaskInfo taskv0t3 = new MockTaskInfo("taskv0t3", priorityv0, node2Rack1, rack1);
    MockTaskInfo taskv0t4 = new MockTaskInfo("taskv0t4", priorityv0, node1Rack2, rack2);
    MockTaskInfo taskv0t5 = new MockTaskInfo("taskv0t5", priorityv0, node2Rack2, rack2);
    MockTaskInfo taskv0t6 = new MockTaskInfo("taskv0t6", priorityv0, node1Rack3, rack3);
    TaskRequestCaptor taskRequestCaptor = new TaskRequestCaptor(mockRMClient, scheduler, drainableAppCallback);
    TaskRequest reqv0t0 = taskRequestCaptor.scheduleTask(taskv0t0);
    TaskRequest reqv0t1 = taskRequestCaptor.scheduleTask(taskv0t1);
    TaskRequest reqv0t2 = taskRequestCaptor.scheduleTask(taskv0t2);
    TaskRequest reqv0t3 = taskRequestCaptor.scheduleTask(taskv0t3);
    TaskRequest reqv0t4 = taskRequestCaptor.scheduleTask(taskv0t4);
    TaskRequest reqv0t5 = taskRequestCaptor.scheduleTask(taskv0t5);
    TaskRequest reqv0t6 = taskRequestCaptor.scheduleTask(taskv0t6);
    List<Container> containers = new ArrayList<>();
    ApplicationAttemptId attemptId = ApplicationAttemptId.newInstance(ApplicationId.newInstance(1, 1), 1);
    ContainerId cid1 = ContainerId.newContainerId(attemptId, 1);
    NodeId n1r1 = NodeId.newInstance(node1Rack1, 1);
    Container container1 = Container.newInstance(cid1, n1r1, null, taskv0t0.capability, priorityv0, null);
    containers.add(container1);
    ContainerId cid2 = ContainerId.newContainerId(attemptId, 2);
    NodeId n2r1 = NodeId.newInstance(node2Rack1, 1);
    Container container2 = Container.newInstance(cid2, n2r1, null, taskv0t1.capability, priorityv0, null);
    containers.add(container2);
    ContainerId cid3 = ContainerId.newContainerId(attemptId, 3);
    Container container3 = Container.newInstance(cid3, n1r1, null, taskv0t2.capability, priorityv0, null);
    containers.add(container3);
    ContainerId cid4 = ContainerId.newContainerId(attemptId, 4);
    Container container4 = Container.newInstance(cid4, n2r1, null, taskv0t3.capability, priorityv0, null);
    containers.add(container4);
    ContainerId cid5 = ContainerId.newContainerId(attemptId, 5);
    NodeId n1r2 = NodeId.newInstance(node1Rack2, 1);
    Container container5 = Container.newInstance(cid5, n1r2, null, taskv0t4.capability, priorityv0, null);
    containers.add(container5);
    ContainerId cid6 = ContainerId.newContainerId(attemptId, 6);
    NodeId n2r2 = NodeId.newInstance(node2Rack2, 1);
    Container container6 = Container.newInstance(cid6, n2r2, null, taskv0t5.capability, priorityv0, null);
    containers.add(container6);
    ContainerId cid7 = ContainerId.newContainerId(attemptId, 7);
    NodeId n1r3 = NodeId.newInstance(node1Rack3, 1);
    Container container7 = Container.newInstance(cid7, n1r3, null, taskv0t6.capability, priorityv0, null);
    containers.add(container7);
    scheduler.onContainersAllocated(containers);
    drainableAppCallback.drain();
    verify(mockApp).taskAllocated(taskv0t0.task, taskv0t0.cookie, container1);
    verify(mockRMClient).removeContainerRequest(reqv0t0);
    verify(mockApp).taskAllocated(taskv0t1.task, taskv0t1.cookie, container2);
    verify(mockRMClient).removeContainerRequest(reqv0t1);
    verify(mockApp).taskAllocated(taskv0t2.task, taskv0t2.cookie, container3);
    verify(mockRMClient).removeContainerRequest(reqv0t2);
    verify(mockApp).taskAllocated(taskv0t3.task, taskv0t3.cookie, container4);
    verify(mockRMClient).removeContainerRequest(reqv0t3);
    verify(mockApp).taskAllocated(taskv0t4.task, taskv0t4.cookie, container5);
    verify(mockRMClient).removeContainerRequest(reqv0t4);
    verify(mockApp).taskAllocated(taskv0t5.task, taskv0t5.cookie, container6);
    verify(mockRMClient).removeContainerRequest(reqv0t5);
    verify(mockApp).taskAllocated(taskv0t6.task, taskv0t6.cookie, container7);
    verify(mockRMClient).removeContainerRequest(reqv0t6);
    clock.incrementTime(10000);
    drainableAppCallback.drain();
    assertTrue(scheduler.deallocateTask(taskv0t0.task, true, null, null));
    assertTrue(scheduler.deallocateTask(taskv0t1.task, true, null, null));
    assertTrue(scheduler.deallocateTask(taskv0t2.task, true, null, null));
    assertTrue(scheduler.deallocateTask(taskv0t3.task, true, null, null));
    assertTrue(scheduler.deallocateTask(taskv0t4.task, true, null, null));
    assertTrue(scheduler.deallocateTask(taskv0t5.task, true, null, null));
    assertTrue(scheduler.deallocateTask(taskv0t6.task, true, null, null));
    verify(mockApp, never()).containerBeingReleased(any(ContainerId.class));
    verify(mockRMClient, never()).releaseAssignedContainer(any(ContainerId.class));
    // verify only two of the containers were released after idle expiration
    // and the rest were spread across the nodes and racks
    clock.incrementTime(5000);
    drainableAppCallback.drain();
    verify(mockApp, times(2)).containerBeingReleased(any(ContainerId.class));
    verify(mockRMClient, times(2)).releaseAssignedContainer(any(ContainerId.class));
    Set<String> hosts = new HashSet<>();
    Set<String> racks = new HashSet<>();
    for (HeldContainer hc : scheduler.getSessionContainers()) {
        hosts.add(hc.getHost());
        racks.add(hc.getRack());
    }
    assertEquals(5, hosts.size());
    assertEquals(3, racks.size());
    assertTrue(hosts.contains(node1Rack1));
    assertTrue(hosts.contains(node2Rack1));
    assertTrue(hosts.contains(node1Rack2));
    assertTrue(hosts.contains(node2Rack2));
    assertTrue(hosts.contains(node1Rack3));
    assertTrue(racks.contains(rack1));
    assertTrue(racks.contains(rack2));
    assertTrue(racks.contains(rack3));
    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 TaskSchedulerContextDrainable

use of org.apache.tez.dag.app.rm.TestTaskSchedulerHelpers.TaskSchedulerContextDrainable in project tez by apache.

the class TestDagAwareYarnTaskScheduler method testPreemptionNoHeadroom.

@Test(timeout = 50000)
public void testPreemptionNoHeadroom() 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);
    conf.setInt(TezConfiguration.TEZ_AM_PREEMPTION_PERCENTAGE, 10);
    conf.setInt(TezConfiguration.TEZ_AM_PREEMPTION_HEARTBEATS_BETWEEN_PREEMPTIONS, 3);
    conf.setInt(TezConfiguration.TEZ_AM_PREEMPTION_MAX_WAIT_TIME_MS, 60 * 1000);
    // vertex 0 and vertex 2 are root vertices and vertex 1 is a child of vertex 0
    DagInfo mockDagInfo = mock(DagInfo.class);
    when(mockDagInfo.getTotalVertices()).thenReturn(3);
    when(mockDagInfo.getVertexDescendants(0)).thenReturn(BitSet.valueOf(new long[] { 0x2 }));
    when(mockDagInfo.getVertexDescendants(1)).thenReturn(new BitSet());
    when(mockDagInfo.getVertexDescendants(2)).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);
    Priority priorityv2 = Priority.newInstance(3);
    String[] hostsv0t0 = { "host1", "host2" };
    MockTaskInfo taskv0t0 = new MockTaskInfo("taskv0t0", priorityv0, hostsv0t0);
    when(mockApp.getVertexIndexForTask(taskv0t0.task)).thenReturn(0);
    MockTaskInfo taskv0t1 = new MockTaskInfo("taskv0t1", priorityv0, hostsv0t0);
    when(mockApp.getVertexIndexForTask(taskv0t1.task)).thenReturn(0);
    MockTaskInfo taskv1t0 = new MockTaskInfo("taskv1t0", priorityv1, hostsv0t0);
    when(mockApp.getVertexIndexForTask(taskv1t0.task)).thenReturn(1);
    MockTaskInfo taskv1t1 = new MockTaskInfo("taskv1t1", priorityv1, hostsv0t0);
    when(mockApp.getVertexIndexForTask(taskv1t1.task)).thenReturn(1);
    MockTaskInfo taskv2t0 = new MockTaskInfo("taskv2t0", priorityv2, hostsv0t0);
    when(mockApp.getVertexIndexForTask(taskv2t0.task)).thenReturn(2);
    // asks for two tasks for vertex 1 and start running one of them
    TaskRequestCaptor taskRequestCaptor = new TaskRequestCaptor(mockRMClient, scheduler, drainableAppCallback);
    TaskRequest reqv1t0 = taskRequestCaptor.scheduleTask(taskv1t0);
    TaskRequest reqv1t1 = 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, taskv1t0.capability, priorityv1, null);
    scheduler.onContainersAllocated(Collections.singletonList(container1));
    drainableAppCallback.drain();
    verify(mockApp).taskAllocated(taskv1t0.task, taskv1t0.cookie, container1);
    verify(mockRMClient).removeContainerRequest(reqv1t0);
    // start running the other task for vertex 1 a bit later
    clock.incrementTime(1000);
    ContainerId cid2 = ContainerId.newContainerId(attemptId, 2);
    Container container2 = Container.newInstance(cid2, host1, null, taskv1t0.capability, priorityv1, null);
    scheduler.onContainersAllocated(Collections.singletonList(container2));
    drainableAppCallback.drain();
    verify(mockApp).taskAllocated(taskv1t1.task, taskv1t1.cookie, container2);
    verify(mockRMClient).removeContainerRequest(reqv1t1);
    // add a request for vertex 0 but there is no headroom
    when(mockRMClient.getAvailableResources()).thenReturn(Resources.none());
    TaskRequest reqv0t0 = taskRequestCaptor.scheduleTask(taskv0t0);
    // should preempt after enough heartbeats to get past preemption interval
    // only the youngest container should be preempted to meet the demand
    scheduler.getProgress();
    scheduler.getProgress();
    scheduler.getProgress();
    drainableAppCallback.drain();
    verify(mockApp, times(1)).preemptContainer(any(ContainerId.class));
    verify(mockApp).preemptContainer(cid2);
    assertEquals(taskv1t1.task, scheduler.deallocateContainer(cid2));
    drainableAppCallback.drain();
    verify(mockApp).containerBeingReleased(cid2);
    verify(mockRMClient).releaseAssignedContainer(cid2);
    verify(mockApp, never()).containerBeingReleased(cid1);
    verify(mockRMClient, never()).releaseAssignedContainer(cid1);
    // add a request for vertex 2 and allocate another container
    clock.incrementTime(1000);
    taskRequestCaptor.scheduleTask(taskv2t0);
    ContainerId cid3 = ContainerId.newContainerId(attemptId, 3);
    Container container3 = Container.newInstance(cid3, host1, null, taskv0t0.capability, priorityv0, null);
    scheduler.onContainersAllocated(Collections.singletonList(container3));
    drainableAppCallback.drain();
    verify(mockApp).taskAllocated(taskv0t0.task, taskv0t0.cookie, container3);
    verify(mockRMClient).removeContainerRequest(reqv0t0);
    // no more preemptions since v1 is not a descendant of v2
    scheduler.getProgress();
    scheduler.getProgress();
    scheduler.getProgress();
    drainableAppCallback.drain();
    verify(mockApp, times(1)).preemptContainer(any(ContainerId.class));
    // adding request for v0 should trigger preemption on next heartbeat
    taskRequestCaptor.scheduleTask(taskv0t1);
    scheduler.getProgress();
    drainableAppCallback.drain();
    verify(mockApp, times(2)).preemptContainer(any(ContainerId.class));
    verify(mockApp).preemptContainer(cid1);
    assertEquals(taskv1t0.task, scheduler.deallocateContainer(cid1));
    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 10 with TaskSchedulerContextDrainable

use of org.apache.tez.dag.app.rm.TestTaskSchedulerHelpers.TaskSchedulerContextDrainable in project tez by apache.

the class TestTaskScheduler method testLocalityMatching.

@Test(timeout = 5000)
public void testLocalityMatching() throws Exception {
    TezAMRMClientAsync<CookieContainerRequest> amrmClient = spy(new AMRMClientAsyncForTest(new AMRMClientForTest(), 100));
    Configuration conf = new Configuration();
    conf.setBoolean(TezConfiguration.TEZ_AM_CONTAINER_REUSE_ENABLED, false);
    TaskSchedulerContext appClient = setupMockTaskSchedulerContext(DEFAULT_APP_HOST, DEFAULT_APP_PORT, "", conf);
    final TaskSchedulerContextDrainable drainableAppCallback = createDrainableContext(appClient);
    TaskSchedulerWithDrainableContext taskScheduler = new TaskSchedulerWithDrainableContext(drainableAppCallback, amrmClient);
    taskScheduler.initialize();
    taskScheduler.start();
    Resource resource = Resource.newInstance(1024, 1);
    Priority priority = Priority.newInstance(1);
    String[] hostsTask1 = { "host1" };
    String[] hostsTask2 = { "non-allocated-host" };
    String[] defaultRack = { "/default-rack" };
    String[] otherRack = { "/other-rack" };
    Object mockTask1 = mock(Object.class);
    CookieContainerRequest mockCookie1 = mock(CookieContainerRequest.class, RETURNS_DEEP_STUBS);
    when(mockCookie1.getCookie().getTask()).thenReturn(mockTask1);
    Object mockTask2 = mock(Object.class);
    CookieContainerRequest mockCookie2 = mock(CookieContainerRequest.class, RETURNS_DEEP_STUBS);
    when(mockCookie2.getCookie().getTask()).thenReturn(mockTask2);
    Container containerHost1 = createContainer(1, "host1", resource, priority);
    Container containerHost3 = createContainer(2, "host3", resource, priority);
    List<Container> allocatedContainers = new LinkedList<Container>();
    allocatedContainers.add(containerHost3);
    allocatedContainers.add(containerHost1);
    taskScheduler.allocateTask(mockTask1, resource, hostsTask1, defaultRack, priority, null, mockCookie1);
    drainableAppCallback.drain();
    List<CookieContainerRequest> host1List = new ArrayList<CookieContainerRequest>();
    host1List.add(mockCookie1);
    List<CookieContainerRequest> defaultRackList = new ArrayList<CookieContainerRequest>();
    defaultRackList.add(mockCookie1);
    List<CookieContainerRequest> nonAllocatedHostList = new ArrayList<YarnTaskSchedulerService.CookieContainerRequest>();
    nonAllocatedHostList.add(mockCookie2);
    List<CookieContainerRequest> otherRackList = new ArrayList<YarnTaskSchedulerService.CookieContainerRequest>();
    otherRackList.add(mockCookie2);
    taskScheduler.allocateTask(mockTask2, resource, hostsTask2, otherRack, priority, null, mockCookie2);
    drainableAppCallback.drain();
    List<CookieContainerRequest> anyList = new LinkedList<YarnTaskSchedulerService.CookieContainerRequest>();
    anyList.add(mockCookie1);
    anyList.add(mockCookie2);
    taskScheduler.onContainersAllocated(allocatedContainers);
    drainableAppCallback.drain();
    ArgumentCaptor<Object> taskCaptor = ArgumentCaptor.forClass(Object.class);
    ArgumentCaptor<Container> containerCaptor = ArgumentCaptor.forClass(Container.class);
    verify(appClient, times(2)).taskAllocated(taskCaptor.capture(), any(), containerCaptor.capture());
    // Expected containerHost1 allocated to task1 due to locality,
    // containerHost3 allocated to task2.
    List<Container> assignedContainers = containerCaptor.getAllValues();
    int container1Pos = assignedContainers.indexOf(containerHost1);
    assertTrue("Container: " + containerHost1 + " was not assigned", container1Pos != -1);
    assertEquals("Task 1 was not allocated to containerHost1", mockTask1, taskCaptor.getAllValues().get(container1Pos));
    int container2Pos = assignedContainers.indexOf(containerHost3);
    assertTrue("Container: " + containerHost3 + " was not assigned", container2Pos != -1);
    assertEquals("Task 2 was not allocated to containerHost3", mockTask2, taskCaptor.getAllValues().get(container2Pos));
    AppFinalStatus finalStatus = new AppFinalStatus(FinalApplicationStatus.SUCCEEDED, "", "");
    when(appClient.getFinalAppStatus()).thenReturn(finalStatus);
    taskScheduler.shutdown();
}