Examples with MockClock org.apache.tez.dag.app.MockClock used on opensource projects

Example 1 with MockClock

use of org.apache.tez.dag.app.MockClock in project tez by apache.

the class TestVertexImpl method setupPostDagCreation.

@SuppressWarnings({ "unchecked", "rawtypes" })
public void setupPostDagCreation() throws TezException {
    String dagName = "dag0";
    // dispatcher may be created multiple times (setupPostDagCreation may be called multiples)
    if (dispatcher != null) {
        dispatcher.stop();
    }
    dispatcher = new DrainDispatcher();
    appContext = mock(AppContext.class);
    when(appContext.getHadoopShim()).thenReturn(new DefaultHadoopShim());
    when(appContext.getContainerLauncherName(anyInt())).thenReturn(TezConstants.getTezYarnServicePluginName());
    thh = mock(TaskHeartbeatHandler.class);
    historyEventHandler = mock(HistoryEventHandler.class);
    TaskSchedulerManager taskScheduler = mock(TaskSchedulerManager.class);
    UserGroupInformation ugi;
    try {
        ugi = UserGroupInformation.getCurrentUser();
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
    DAG dag = mock(DAG.class);
    doReturn(ugi).when(dag).getDagUGI();
    doReturn(dagName).when(dag).getName();
    Map<String, LocalResource> localResources = new HashMap<>();
    for (PlanLocalResource planLR : dagPlan.getLocalResourceList()) {
        localResources.put(planLR.getName(), DagTypeConverters.convertPlanLocalResourceToLocalResource(planLR));
    }
    when(dag.getLocalResources()).thenReturn(localResources);
    doReturn(appAttemptId).when(appContext).getApplicationAttemptId();
    doReturn(appAttemptId.getApplicationId()).when(appContext).getApplicationID();
    doReturn(dag).when(appContext).getCurrentDAG();
    execService = mock(ListeningExecutorService.class);
    final ListenableFuture<Void> mockFuture = mock(ListenableFuture.class);
    Mockito.doAnswer(new Answer() {

        public ListenableFuture<Void> answer(InvocationOnMock invocation) {
            Object[] args = invocation.getArguments();
            CallableEvent e = (CallableEvent) args[0];
            dispatcher.getEventHandler().handle(e);
            return mockFuture;
        }
    }).when(execService).submit((Callable<Void>) any());
    MockClock clock = new MockClock();
    doReturn(execService).when(appContext).getExecService();
    doReturn(conf).when(appContext).getAMConf();
    doReturn(new Credentials()).when(dag).getCredentials();
    doReturn(DAGPlan.getDefaultInstance()).when(dag).getJobPlan();
    doReturn(dagId).when(appContext).getCurrentDAGID();
    doReturn(dagId).when(dag).getID();
    doReturn(taskScheduler).when(appContext).getTaskScheduler();
    doReturn(Resource.newInstance(102400, 60)).when(taskScheduler).getTotalResources(0);
    doReturn(historyEventHandler).when(appContext).getHistoryHandler();
    doReturn(dispatcher.getEventHandler()).when(appContext).getEventHandler();
    doReturn(clock).when(appContext).getClock();
    vertexGroups = Maps.newHashMap();
    for (PlanVertexGroupInfo groupInfo : dagPlan.getVertexGroupsList()) {
        vertexGroups.put(groupInfo.getGroupName(), new VertexGroupInfo(groupInfo));
    }
    // updateTracker may be created multiple times (setupPostDagCreation may be called multiples)
    if (updateTracker != null) {
        updateTracker.stop();
    }
    updateTracker = new StateChangeNotifierForTest(appContext.getCurrentDAG());
    setupVertices();
    when(dag.getVertex(any(TezVertexID.class))).thenAnswer(new Answer<Vertex>() {

        @Override
        public Vertex answer(InvocationOnMock invocation) throws Throwable {
            Object[] args = invocation.getArguments();
            if (args.length != 1) {
                return null;
            }
            TezVertexID vId = (TezVertexID) args[0];
            return vertexIdMap.get(vId);
        }
    });
    when(dag.getVertex(any(String.class))).thenAnswer(new Answer<Vertex>() {

        @Override
        public Vertex answer(InvocationOnMock invocation) throws Throwable {
            Object[] args = invocation.getArguments();
            if (args.length != 1) {
                return null;
            }
            String vId = (String) args[0];
            return vertices.get(vId);
        }
    });
    // TODO - this test logic is tightly linked to impl DAGImpl code.
    edges = new HashMap<String, Edge>();
    for (EdgePlan edgePlan : dagPlan.getEdgeList()) {
        EdgeProperty edgeProperty = DagTypeConverters.createEdgePropertyMapFromDAGPlan(edgePlan);
        edges.put(edgePlan.getId(), new Edge(edgeProperty, dispatcher.getEventHandler(), conf));
    }
    parseVertexEdges();
    for (Edge edge : edges.values()) {
        edge.initialize();
    }
    dispatcher.register(CallableEventType.class, new CallableEventDispatcher());
    taskAttemptEventDispatcher = new TaskAttemptEventDispatcher();
    dispatcher.register(TaskAttemptEventType.class, taskAttemptEventDispatcher);
    taskEventDispatcher = new TaskEventDispatcher();
    dispatcher.register(TaskEventType.class, taskEventDispatcher);
    vertexEventDispatcher = new VertexEventDispatcher();
    dispatcher.register(VertexEventType.class, vertexEventDispatcher);
    dagEventDispatcher = new DagEventDispatcher();
    dispatcher.register(DAGEventType.class, dagEventDispatcher);
    amSchedulerEventDispatcher = new AMSchedulerEventDispatcher();
    dispatcher.register(AMSchedulerEventType.class, amSchedulerEventDispatcher);
    dispatcher.init(conf);
    dispatcher.start();
}

Example 2 with MockClock

use of org.apache.tez.dag.app.MockClock 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 3 with MockClock

use of org.apache.tez.dag.app.MockClock 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 4 with MockClock

use of org.apache.tez.dag.app.MockClock 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 5 with MockClock

use of org.apache.tez.dag.app.MockClock in project tez by apache.

the class TestDagAwareYarnTaskScheduler method testNoReuse.

@SuppressWarnings({ "unchecked" })
@Test(timeout = 30000)
public void testNoReuse() 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, 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());
    Object mockTask1 = new MockTask("task1");
    Object mockCookie1 = new Object();
    Resource mockCapability = Resources.createResource(1024, 1);
    String[] hosts = { "host1", "host5" };
    String[] racks = { "/default-rack", "/default-rack" };
    Priority mockPriority = Priority.newInstance(1);
    ArgumentCaptor<TaskRequest> requestCaptor = ArgumentCaptor.forClass(TaskRequest.class);
    // allocate task
    scheduler.allocateTask(mockTask1, mockCapability, hosts, racks, mockPriority, null, mockCookie1);
    drainableAppCallback.drain();
    verify(mockRMClient, times(1)).addContainerRequest(any(TaskRequest.class));
    // returned from task requests before allocation happens
    assertFalse(scheduler.deallocateTask(mockTask1, true, null, null));
    verify(mockApp, times(0)).containerBeingReleased(any(ContainerId.class));
    verify(mockRMClient, times(1)).removeContainerRequest(any(TaskRequest.class));
    verify(mockRMClient, times(0)).releaseAssignedContainer((ContainerId) any());
    // deallocating unknown task
    assertFalse(scheduler.deallocateTask(mockTask1, true, null, null));
    verify(mockApp, times(0)).containerBeingReleased(any(ContainerId.class));
    verify(mockRMClient, times(1)).removeContainerRequest(any(TaskRequest.class));
    verify(mockRMClient, times(0)).releaseAssignedContainer((ContainerId) any());
    // allocate tasks
    Object mockTask2 = new MockTask("task2");
    Object mockCookie2 = new Object();
    Object mockTask3 = new MockTask("task3");
    Object mockCookie3 = new Object();
    scheduler.allocateTask(mockTask1, mockCapability, hosts, racks, mockPriority, null, mockCookie1);
    drainableAppCallback.drain();
    verify(mockRMClient, times(2)).addContainerRequest(requestCaptor.capture());
    TaskRequest request1 = requestCaptor.getValue();
    scheduler.allocateTask(mockTask2, mockCapability, hosts, racks, mockPriority, null, mockCookie2);
    drainableAppCallback.drain();
    verify(mockRMClient, times(3)).addContainerRequest(requestCaptor.capture());
    TaskRequest request2 = requestCaptor.getValue();
    scheduler.allocateTask(mockTask3, mockCapability, hosts, racks, mockPriority, null, mockCookie3);
    drainableAppCallback.drain();
    verify(mockRMClient, times(4)).addContainerRequest(requestCaptor.capture());
    TaskRequest request3 = requestCaptor.getValue();
    NodeId host1 = NodeId.newInstance("host1", 1);
    NodeId host2 = NodeId.newInstance("host2", 2);
    NodeId host3 = NodeId.newInstance("host3", 3);
    NodeId host4 = NodeId.newInstance("host4", 4);
    ApplicationAttemptId attemptId = ApplicationAttemptId.newInstance(ApplicationId.newInstance(1, 1), 1);
    ContainerId mockCId1 = ContainerId.newContainerId(attemptId, 1);
    Container mockContainer1 = Container.newInstance(mockCId1, host1, null, mockCapability, mockPriority, null);
    ContainerId mockCId2 = ContainerId.newContainerId(attemptId, 2);
    Container mockContainer2 = Container.newInstance(mockCId2, host2, null, mockCapability, mockPriority, null);
    ContainerId mockCId3 = ContainerId.newContainerId(attemptId, 3);
    Container mockContainer3 = Container.newInstance(mockCId3, host3, null, mockCapability, mockPriority, null);
    ContainerId mockCId4 = ContainerId.newContainerId(attemptId, 4);
    Container mockContainer4 = Container.newInstance(mockCId4, host4, null, mockCapability, mockPriority, null);
    List<Container> containers = new ArrayList<>();
    containers.add(mockContainer1);
    containers.add(mockContainer2);
    containers.add(mockContainer3);
    containers.add(mockContainer4);
    scheduler.onContainersAllocated(containers);
    drainableAppCallback.drain();
    // first container allocated
    verify(mockApp).taskAllocated(mockTask1, mockCookie1, mockContainer1);
    verify(mockApp).taskAllocated(mockTask2, mockCookie2, mockContainer2);
    verify(mockApp).taskAllocated(mockTask3, mockCookie3, mockContainer3);
    // no other allocations returned
    verify(mockApp, times(3)).taskAllocated(any(), any(), (Container) any());
    verify(mockRMClient).removeContainerRequest(request1);
    verify(mockRMClient).removeContainerRequest(request2);
    verify(mockRMClient).removeContainerRequest(request3);
    // verify unwanted container released
    verify(mockRMClient).releaseAssignedContainer(mockCId4);
    // deallocate allocated task
    assertTrue(scheduler.deallocateTask(mockTask1, true, null, null));
    drainableAppCallback.drain();
    verify(mockApp).containerBeingReleased(mockCId1);
    verify(mockRMClient).releaseAssignedContainer(mockCId1);
    // deallocate allocated container
    assertEquals(mockTask2, scheduler.deallocateContainer(mockCId2));
    drainableAppCallback.drain();
    verify(mockRMClient).releaseAssignedContainer(mockCId2);
    verify(mockRMClient, times(3)).releaseAssignedContainer((ContainerId) any());
    List<ContainerStatus> statuses = new ArrayList<>();
    ContainerStatus mockStatus1 = mock(ContainerStatus.class);
    when(mockStatus1.getContainerId()).thenReturn(mockCId1);
    statuses.add(mockStatus1);
    ContainerStatus mockStatus2 = mock(ContainerStatus.class);
    when(mockStatus2.getContainerId()).thenReturn(mockCId2);
    statuses.add(mockStatus2);
    ContainerStatus mockStatus3 = mock(ContainerStatus.class);
    when(mockStatus3.getContainerId()).thenReturn(mockCId3);
    statuses.add(mockStatus3);
    ContainerStatus mockStatus4 = mock(ContainerStatus.class);
    when(mockStatus4.getContainerId()).thenReturn(mockCId4);
    statuses.add(mockStatus4);
    scheduler.onContainersCompleted(statuses);
    drainableAppCallback.drain();
    // released container status returned
    verify(mockApp).containerCompleted(mockTask1, mockStatus1);
    verify(mockApp).containerCompleted(mockTask2, mockStatus2);
    // currently allocated container status returned and not released
    verify(mockApp).containerCompleted(mockTask3, mockStatus3);
    // no other statuses returned
    verify(mockApp, times(3)).containerCompleted(any(), (ContainerStatus) any());
    verify(mockRMClient, times(3)).releaseAssignedContainer((ContainerId) any());
    // verify blacklisting
    verify(mockRMClient, times(0)).updateBlacklist(anyListOf(String.class), anyListOf(String.class));
    String badHost = "host6";
    NodeId badNodeId = NodeId.newInstance(badHost, 1);
    scheduler.blacklistNode(badNodeId);
    List<String> badNodeList = Collections.singletonList(badHost);
    verify(mockRMClient, times(1)).updateBlacklist(eq(badNodeList), isNull(List.class));
    Object mockTask4 = new MockTask("task4");
    Object mockCookie4 = new Object();
    scheduler.allocateTask(mockTask4, mockCapability, null, null, mockPriority, null, mockCookie4);
    drainableAppCallback.drain();
    verify(mockRMClient, times(5)).addContainerRequest(requestCaptor.capture());
    ContainerId mockCId5 = ContainerId.newContainerId(attemptId, 5);
    Container mockContainer5 = Container.newInstance(mockCId5, badNodeId, null, mockCapability, mockPriority, null);
    containers.clear();
    containers.add(mockContainer5);
    scheduler.onContainersAllocated(containers);
    drainableAppCallback.drain();
    // no new allocation
    verify(mockApp, times(3)).taskAllocated(any(), any(), (Container) any());
    // verify blacklisted container released
    verify(mockRMClient).releaseAssignedContainer(mockCId5);
    verify(mockRMClient, times(4)).releaseAssignedContainer((ContainerId) any());
    // verify request added back
    verify(mockRMClient, times(6)).addContainerRequest(requestCaptor.capture());
    NodeId host6 = NodeId.newInstance("host6", 6);
    ContainerId mockCId6 = ContainerId.newContainerId(attemptId, 6);
    Container mockContainer6 = Container.newInstance(mockCId6, host6, null, mockCapability, mockPriority, null);
    containers.clear();
    containers.add(mockContainer6);
    scheduler.onContainersAllocated(containers);
    drainableAppCallback.drain();
    // new allocation
    verify(mockApp, times(4)).taskAllocated(any(), any(), (Container) any());
    verify(mockApp).taskAllocated(mockTask4, mockCookie4, mockContainer6);
    // deallocate allocated task
    assertTrue(scheduler.deallocateTask(mockTask4, true, null, null));
    drainableAppCallback.drain();
    verify(mockApp).containerBeingReleased(mockCId6);
    verify(mockRMClient).releaseAssignedContainer(mockCId6);
    verify(mockRMClient, times(5)).releaseAssignedContainer((ContainerId) any());
    // test unblacklist
    scheduler.unblacklistNode(badNodeId);
    verify(mockRMClient, times(1)).updateBlacklist(isNull(List.class), eq(badNodeList));
    assertEquals(0, scheduler.getNumBlacklistedNodes());
    float progress = 0.5f;
    when(mockApp.getProgress()).thenReturn(progress);
    assertEquals(progress, scheduler.getProgress(), 0);
    // check duplicate allocation request
    scheduler.allocateTask(mockTask1, mockCapability, hosts, racks, mockPriority, null, mockCookie1);
    drainableAppCallback.drain();
    verify(mockRMClient, times(7)).addContainerRequest(any(TaskRequest.class));
    verify(mockRMClient, times(6)).removeContainerRequest(any(TaskRequest.class));
    scheduler.allocateTask(mockTask1, mockCapability, hosts, racks, mockPriority, null, mockCookie1);
    drainableAppCallback.drain();
    // old request removed and new one added
    verify(mockRMClient, times(7)).removeContainerRequest(any(TaskRequest.class));
    verify(mockRMClient, times(8)).addContainerRequest(any(TaskRequest.class));
    assertFalse(scheduler.deallocateTask(mockTask1, true, null, null));
    List<NodeReport> mockUpdatedNodes = mock(List.class);
    scheduler.onNodesUpdated(mockUpdatedNodes);
    drainableAppCallback.drain();
    verify(mockApp).nodesUpdated(mockUpdatedNodes);
    ArgumentCaptor<String> argumentCaptor = ArgumentCaptor.forClass(String.class);
    Exception mockException = new IOException("mockexception");
    scheduler.onError(mockException);
    drainableAppCallback.drain();
    verify(mockApp).reportError(eq(YarnTaskSchedulerServiceError.RESOURCEMANAGER_ERROR), argumentCaptor.capture(), any(DagInfo.class));
    assertTrue(argumentCaptor.getValue().contains("mockexception"));
    scheduler.onShutdownRequest();
    drainableAppCallback.drain();
    verify(mockApp).appShutdownRequested();
    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();
}