Examples of MockNM

org.apache.hadoop.yarn.server.resourcemanager.MockNM

Examples of org.apache.hadoop.yarn.server.resourcemanager.MockNM

    rm1.start();
    RMApp app1 =
        rm1.submitApp(200, "name", "user",
          new HashMap<ApplicationAccessType, String>(), false, "default", -1,
          null, "MAPREDUCE", false, true);
    MockNM nm1 =
        new MockNM("127.0.0.1:1234", 10240, rm1.getResourceTrackerService());
    nm1.registerNode();
    MockNM nm2 =
        new MockNM("127.0.0.1:2351", 4089, rm1.getResourceTrackerService());
    nm2.registerNode();


    MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
    int NUM_CONTAINERS = 3;
    // allocate NUM_CONTAINERS containers
    am1.allocate("127.0.0.1", 1024, NUM_CONTAINERS,

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Examples of org.apache.hadoop.yarn.server.resourcemanager.MockNM

    rm1.start();
    RMApp app1 =
        rm1.submitApp(200, "myname", "myuser",
          new HashMap<ApplicationAccessType, String>(), false, "default", -1,
          null, "MAPREDUCE", false, true);
    MockNM nm1 =
        new MockNM("127.0.0.1:1234", 8000, rm1.getResourceTrackerService());
    nm1.registerNode();
    MockNM nm2 =
        new MockNM("127.1.1.1:4321", 8000, rm1.getResourceTrackerService());
    nm2.registerNode();
    MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);


    List<Container> containers = new ArrayList<Container>();
    // nmTokens keeps track of all the nmTokens issued in the allocate call.
    List<NMToken> expectedNMTokens = new ArrayList<NMToken>();


    // am1 allocate 2 container on nm1.
    // first container
    while (true) {
      AllocateResponse response =
          am1.allocate("127.0.0.1", 2000, 2,
            new ArrayList<ContainerId>());
      nm1.nodeHeartbeat(true);
      containers.addAll(response.getAllocatedContainers());
      expectedNMTokens.addAll(response.getNMTokens());
      if (containers.size() == 2) {
        break;
      }
      Thread.sleep(200);
      System.out.println("Waiting for container to be allocated.");
    }
    // launch the container-2
    nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 2, ContainerState.RUNNING);
    ContainerId containerId2 =
        ContainerId.newInstance(am1.getApplicationAttemptId(), 2);
    rm1.waitForState(nm1, containerId2, RMContainerState.RUNNING);
    // launch the container-3
    nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 3, ContainerState.RUNNING);
    ContainerId containerId3 =
        ContainerId.newInstance(am1.getApplicationAttemptId(), 3);
    rm1.waitForState(nm1, containerId3, RMContainerState.RUNNING);
    
    // fail am1
    nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 1, ContainerState.COMPLETE);
    am1.waitForState(RMAppAttemptState.FAILED);
    rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED);


    // restart the am
    MockAM am2 = MockRM.launchAM(app1, rm1, nm1);
    RegisterApplicationMasterResponse registerResponse =
        am2.registerAppAttempt();
    rm1.waitForState(app1.getApplicationId(), RMAppState.RUNNING);


    // check am2 get the nm token from am1.
    Assert.assertEquals(expectedNMTokens,
      registerResponse.getNMTokensFromPreviousAttempts());


    // am2 allocate 1 container on nm2
    containers = new ArrayList<Container>();
    while (true) {
      AllocateResponse allocateResponse =
          am2.allocate("127.1.1.1", 4000, 1,
            new ArrayList<ContainerId>());
      nm2.nodeHeartbeat(true);
      containers.addAll(allocateResponse.getAllocatedContainers());
      expectedNMTokens.addAll(allocateResponse.getNMTokens());
      if (containers.size() == 1) {
        break;
      }

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Examples of org.apache.hadoop.yarn.server.resourcemanager.MockNM

    conf.set(YarnConfiguration.RM_STORE, MemoryRMStateStore.class.getName());
    MemoryRMStateStore memStore = new MemoryRMStateStore();
    memStore.init(conf);
    MockRM rm1 = new MockRM(conf, memStore);
    rm1.start();
    MockNM nm1 =
        new MockNM("127.0.0.1:1234", 8000, rm1.getResourceTrackerService());
    nm1.registerNode();
    RMApp app1 = rm1.submitApp(200);
    RMAppAttempt attempt1 = app1.getCurrentAppAttempt();
    MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
    CapacityScheduler scheduler =
        (CapacityScheduler) rm1.getResourceScheduler();
    ContainerId amContainer =
        ContainerId.newInstance(am1.getApplicationAttemptId(), 1);
    // Preempt the first attempt;
    scheduler.killContainer(scheduler.getRMContainer(amContainer));


    am1.waitForState(RMAppAttemptState.FAILED);
    Assert.assertTrue(! attempt1.shouldCountTowardsMaxAttemptRetry());
    rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED);
    ApplicationState appState =
        memStore.getState().getApplicationState().get(app1.getApplicationId());
    // AM should be restarted even though max-am-attempt is 1.
    MockAM am2 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
    RMAppAttempt attempt2 = app1.getCurrentAppAttempt();
    Assert.assertTrue(((RMAppAttemptImpl) attempt2).mayBeLastAttempt());


    // Preempt the second attempt.
    ContainerId amContainer2 =
        ContainerId.newInstance(am2.getApplicationAttemptId(), 1);
    scheduler.killContainer(scheduler.getRMContainer(amContainer2));


    am2.waitForState(RMAppAttemptState.FAILED);
    Assert.assertTrue(! attempt2.shouldCountTowardsMaxAttemptRetry());
    rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED);
    MockAM am3 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
    RMAppAttempt attempt3 = app1.getCurrentAppAttempt();
    Assert.assertTrue(((RMAppAttemptImpl) attempt3).mayBeLastAttempt());


    // mimic NM disk_failure
    ContainerStatus containerStatus = Records.newRecord(ContainerStatus.class);
    containerStatus.setContainerId(attempt3.getMasterContainer().getId());
    containerStatus.setDiagnostics("mimic NM disk_failure");
    containerStatus.setState(ContainerState.COMPLETE);
    containerStatus.setExitStatus(ContainerExitStatus.DISKS_FAILED);
    Map<ApplicationId, List<ContainerStatus>> conts =
        new HashMap<ApplicationId, List<ContainerStatus>>();
    conts.put(app1.getApplicationId(),
      Collections.singletonList(containerStatus));
    nm1.nodeHeartbeat(conts, true);


    am3.waitForState(RMAppAttemptState.FAILED);
    Assert.assertTrue(! attempt3.shouldCountTowardsMaxAttemptRetry());
    Assert.assertEquals(ContainerExitStatus.DISKS_FAILED,
      appState.getAttempt(am3.getApplicationAttemptId())
        .getAMContainerExitStatus());


    rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED);
    MockAM am4 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
    RMAppAttempt attempt4 = app1.getCurrentAppAttempt();
    Assert.assertTrue(((RMAppAttemptImpl) attempt4).mayBeLastAttempt());


    // create second NM, and register to rm1
    MockNM nm2 =
        new MockNM("127.0.0.1:2234", 8000, rm1.getResourceTrackerService());
    nm2.registerNode();
    // nm1 heartbeats to report unhealthy
    // This will mimic ContainerExitStatus.ABORT
    nm1.nodeHeartbeat(false);
    am4.waitForState(RMAppAttemptState.FAILED);
    Assert.assertTrue(! attempt4.shouldCountTowardsMaxAttemptRetry());
    Assert.assertEquals(ContainerExitStatus.ABORTED,
      appState.getAttempt(am4.getApplicationAttemptId())
        .getAMContainerExitStatus());
    // launch next AM in nm2
    nm2.nodeHeartbeat(true);
    MockAM am5 =
        rm1.waitForNewAMToLaunchAndRegister(app1.getApplicationId(), 5, nm2);
    RMAppAttempt attempt5 = app1.getCurrentAppAttempt();
    Assert.assertTrue(((RMAppAttemptImpl) attempt5).mayBeLastAttempt());
    // fail the AM normally
    nm2
      .nodeHeartbeat(am5.getApplicationAttemptId(), 1, ContainerState.COMPLETE);
    am5.waitForState(RMAppAttemptState.FAILED);
    Assert.assertTrue(attempt5.shouldCountTowardsMaxAttemptRetry());


    // AM should not be restarted.

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Examples of org.apache.hadoop.yarn.server.resourcemanager.MockNM

    MemoryRMStateStore memStore = new MemoryRMStateStore();
    memStore.init(conf);


    MockRM rm1 = new MockRM(conf, memStore);
    rm1.start();
    MockNM nm1 =
        new MockNM("127.0.0.1:1234", 8000, rm1.getResourceTrackerService());
    nm1.registerNode();
    RMApp app1 = rm1.submitApp(200);
    RMAppAttempt attempt1 = app1.getCurrentAppAttempt();
    MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
    CapacityScheduler scheduler =
        (CapacityScheduler) rm1.getResourceScheduler();
    ContainerId amContainer =
        ContainerId.newInstance(am1.getApplicationAttemptId(), 1);


    // Forcibly preempt the am container;
    scheduler.killContainer(scheduler.getRMContainer(amContainer));


    am1.waitForState(RMAppAttemptState.FAILED);
    Assert.assertTrue(! attempt1.shouldCountTowardsMaxAttemptRetry());
    rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED);


    // state store has 1 attempt stored.
    ApplicationState appState =
        memStore.getState().getApplicationState().get(app1.getApplicationId());
    Assert.assertEquals(1, appState.getAttemptCount());
    // attempt stored has the preempted container exit status.
    Assert.assertEquals(ContainerExitStatus.PREEMPTED,
      appState.getAttempt(am1.getApplicationAttemptId())
        .getAMContainerExitStatus());
    // Restart rm.
    MockRM rm2 = new MockRM(conf, memStore);
    nm1.setResourceTrackerService(rm2.getResourceTrackerService());
    nm1.registerNode();
    rm2.start();


    // Restarted RM should re-launch the am.
    MockAM am2 =
        rm2.waitForNewAMToLaunchAndRegister(app1.getApplicationId(), 2, nm1);

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Examples of org.apache.hadoop.yarn.server.resourcemanager.MockNM

    MemoryRMStateStore memStore = new MemoryRMStateStore();
    memStore.init(conf);


    MockRM rm1 = new MockRM(conf, memStore);
    rm1.start();
    MockNM nm1 =
        new MockNM("127.0.0.1:1234", 8000, rm1.getResourceTrackerService());
    nm1.registerNode();
    RMApp app1 = rm1.submitApp(200);
    // AM should be restarted even though max-am-attempt is 1.
    MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
    RMAppAttempt attempt1 = app1.getCurrentAppAttempt();
    Assert.assertTrue(((RMAppAttemptImpl) attempt1).mayBeLastAttempt());


    // Restart rm.
    MockRM rm2 = new MockRM(conf, memStore);
    rm2.start();
    ApplicationState appState =
        memStore.getState().getApplicationState().get(app1.getApplicationId());
    // re-register the NM
    nm1.setResourceTrackerService(rm2.getResourceTrackerService());
    NMContainerStatus status = Records.newRecord(NMContainerStatus.class);
    status
      .setContainerExitStatus(ContainerExitStatus.KILLED_BY_RESOURCEMANAGER);
    status.setContainerId(attempt1.getMasterContainer().getId());
    status.setContainerState(ContainerState.COMPLETE);
    status.setDiagnostics("");
    nm1.registerNode(Collections.singletonList(status), null);


    rm2.waitForState(attempt1.getAppAttemptId(), RMAppAttemptState.FAILED);
    Assert.assertEquals(ContainerExitStatus.KILLED_BY_RESOURCEMANAGER,
      appState.getAttempt(am1.getApplicationAttemptId())
        .getAMContainerExitStatus());

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Examples of org.apache.hadoop.yarn.server.resourcemanager.MockNM


    // Submit the application
    RMApp app = rm.submitApp(1024);
    dispatcher.await();


    MockNM amNodeManager = rm.registerNode("amNM:1234", 2048);
    amNodeManager.nodeHeartbeat(true);
    dispatcher.await();


    ApplicationAttemptId appAttemptId = app.getCurrentAppAttempt()
        .getAppAttemptId();
    rm.sendAMLaunched(appAttemptId);
    dispatcher.await();


    JobId jobId = MRBuilderUtils.newJobId(appAttemptId.getApplicationId(), 0);
    Job mockJob = mock(Job.class);
    when(mockJob.getReport()).thenReturn(
        MRBuilderUtils.newJobReport(jobId, "job", "user", JobState.RUNNING, 0, 
            0, 0, 0, 0, 0, 0, "jobfile", null, false, ""));
    MyContainerAllocator allocator = new MyContainerAllocator(rm, conf,
        appAttemptId, mockJob);


    // add resources to scheduler
    MockNM nodeManager1 = rm.registerNode("h1:1234", 10240);
    MockNM nodeManager2 = rm.registerNode("h2:1234", 10240);
    MockNM nodeManager3 = rm.registerNode("h3:1234", 10240);
    dispatcher.await();


    // create the container request
    ContainerRequestEvent event1 = createReq(jobId, 1, 1024,
        new String[] { "h1" });
    allocator.sendRequest(event1);


    // send 1 more request with different resource req
    ContainerRequestEvent event2 = createReq(jobId, 2, 1024,
        new String[] { "h2" });
    allocator.sendRequest(event2);


    // this tells the scheduler about the requests
    // as nodes are not added, no allocations
    List<TaskAttemptContainerAssignedEvent> assigned = allocator.schedule();
    dispatcher.await();
    Assert.assertEquals("No of assignments must be 0", 0, assigned.size());
    Assert.assertEquals(4, rm.getMyFifoScheduler().lastAsk.size());


    // send another request with different resource and priority
    ContainerRequestEvent event3 = createReq(jobId, 3, 1024,
        new String[] { "h3" });
    allocator.sendRequest(event3);


    // this tells the scheduler about the requests
    // as nodes are not added, no allocations
    assigned = allocator.schedule();
    dispatcher.await();
    Assert.assertEquals("No of assignments must be 0", 0, assigned.size());
    Assert.assertEquals(3, rm.getMyFifoScheduler().lastAsk.size());
    
    // update resources in scheduler
    nodeManager1.nodeHeartbeat(true); // Node heartbeat
    nodeManager2.nodeHeartbeat(true); // Node heartbeat
    nodeManager3.nodeHeartbeat(true); // Node heartbeat
    dispatcher.await();


    assigned = allocator.schedule();
    dispatcher.await();
    Assert.assertEquals(0, rm.getMyFifoScheduler().lastAsk.size());

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Examples of org.apache.hadoop.yarn.server.resourcemanager.MockNM


    // Submit the application
    RMApp app = rm.submitApp(1024);
    dispatcher.await();


    MockNM amNodeManager = rm.registerNode("amNM:1234", 2048);
    amNodeManager.nodeHeartbeat(true);
    dispatcher.await();


    ApplicationAttemptId appAttemptId = app.getCurrentAppAttempt()
        .getAppAttemptId();
    rm.sendAMLaunched(appAttemptId);
    dispatcher.await();


    JobId jobId = MRBuilderUtils.newJobId(appAttemptId.getApplicationId(), 0);
    Job mockJob = mock(Job.class);
    when(mockJob.getReport()).thenReturn(
        MRBuilderUtils.newJobReport(jobId, "job", "user", JobState.RUNNING, 0, 
            0, 0, 0, 0, 0, 0, "jobfile", null, false, ""));
    MyContainerAllocator allocator = new MyContainerAllocator(rm, conf,
        appAttemptId, mockJob);


    // add resources to scheduler
    MockNM nodeManager1 = rm.registerNode("h1:1234", 3072); // can assign 2 maps 
    rm.registerNode("h2:1234", 10240); // wont heartbeat on node local node
    MockNM nodeManager3 = rm.registerNode("h3:1234", 1536); // assign 1 map
    dispatcher.await();


    // create the container requests for maps
    ContainerRequestEvent event1 = createReq(jobId, 1, 1024,
        new String[] { "h1" });
    allocator.sendRequest(event1);
    ContainerRequestEvent event2 = createReq(jobId, 2, 1024,
        new String[] { "h1" });
    allocator.sendRequest(event2);
    ContainerRequestEvent event3 = createReq(jobId, 3, 1024,
        new String[] { "h2" });
    allocator.sendRequest(event3);


    // this tells the scheduler about the requests
    // as nodes are not added, no allocations
    List<TaskAttemptContainerAssignedEvent> assigned = allocator.schedule();
    dispatcher.await();
    Assert.assertEquals("No of assignments must be 0", 0, assigned.size());


    // update resources in scheduler
    // Node heartbeat from rack-local first. This makes node h3 the first in the
    // list of allocated containers but it should not be assigned to task1.
    nodeManager3.nodeHeartbeat(true);
    // Node heartbeat from node-local next. This allocates 2 node local 
    // containers for task1 and task2. These should be matched with those tasks.
    nodeManager1.nodeHeartbeat(true);
    dispatcher.await();

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Examples of org.apache.hadoop.yarn.server.resourcemanager.MockNM


    // Submit the application
    RMApp app = rm.submitApp(1024);
    dispatcher.await();


    MockNM amNodeManager = rm.registerNode("amNM:1234", 2048);
    amNodeManager.nodeHeartbeat(true);
    dispatcher.await();


    ApplicationAttemptId appAttemptId = app.getCurrentAppAttempt()
        .getAppAttemptId();
    rm.sendAMLaunched(appAttemptId);
    dispatcher.await();


    JobId jobId = MRBuilderUtils.newJobId(appAttemptId.getApplicationId(), 0);
    Job mockJob = mock(Job.class);
    when(mockJob.getReport()).thenReturn(
        MRBuilderUtils.newJobReport(jobId, "job", "user", JobState.RUNNING, 0,
            0, 0, 0, 0, 0, 0, "jobfile", null, false, ""));
    MyContainerAllocator allocator = new MyContainerAllocator(rm, conf,
        appAttemptId, mockJob);


    // add resources to scheduler
    MockNM nodeManager1 = rm.registerNode("h1:1234", 10240);
    MockNM nodeManager2 = rm.registerNode("h2:1234", 10240);
    MockNM nodeManager3 = rm.registerNode("h3:1234", 10240);
    dispatcher.await();


    // create the container request
    ContainerRequestEvent event1 = createReq(jobId, 1, 1024,
        new String[] { "h1" });
    allocator.sendRequest(event1);


    // send 1 more request with different resource req
    ContainerRequestEvent event2 = createReq(jobId, 2, 2048,
        new String[] { "h2" });
    allocator.sendRequest(event2);


    // this tells the scheduler about the requests
    // as nodes are not added, no allocations
    List<TaskAttemptContainerAssignedEvent> assigned = allocator.schedule();
    dispatcher.await();
    Assert.assertEquals("No of assignments must be 0", 0, assigned.size());


    // update resources in scheduler
    nodeManager1.nodeHeartbeat(true); // Node heartbeat
    nodeManager2.nodeHeartbeat(true); // Node heartbeat
    nodeManager3.nodeHeartbeat(true); // Node heartbeat
    dispatcher.await();


    assigned = allocator.schedule();
    dispatcher.await();
    checkAssignments(new ContainerRequestEvent[] { event1, event2 },

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Examples of org.apache.hadoop.yarn.server.resourcemanager.MockNM

        .getDispatcher();
    final RMApp app = rm.submitApp(1024);
    dispatcher.await();


    final String host = "host1";
    final MockNM nm = rm.registerNode(String.format("%s:1234", host), 2048);
    nm.nodeHeartbeat(true);
    dispatcher.await();
    final ApplicationAttemptId appAttemptId = app.getCurrentAppAttempt()
        .getAppAttemptId();
    rm.sendAMLaunched(appAttemptId);
    dispatcher.await();
    final JobId jobId = MRBuilderUtils
        .newJobId(appAttemptId.getApplicationId(), 0);
    final Job mockJob = mock(Job.class);
    when(mockJob.getReport()).thenReturn(
        MRBuilderUtils.newJobReport(jobId, "job", "user", JobState.RUNNING, 0,
            0, 0, 0, 0, 0, 0, "jobfile", null, false, ""));
    final MyContainerAllocator allocator = new MyContainerAllocator(rm, conf,
        appAttemptId, mockJob);
    // add resources to scheduler
    dispatcher.await();


    // create the container request
    final String[] locations = new String[] { host };
    allocator.sendRequest(createReq(jobId, 0, 1024, locations, false, true));
    for (int i = 0; i < 1;) {
      dispatcher.await();
      i += allocator.schedule().size();
      nm.nodeHeartbeat(true);
    }


    allocator.sendRequest(createReq(jobId, 0, 1024, locations, true, false));
    while (allocator.getTaskAttemptKillEvents().size() == 0) {
      dispatcher.await();
      allocator.schedule().size();
      nm.nodeHeartbeat(true);
    }
    final String killEventMessage = allocator.getTaskAttemptKillEvents().get(0)
        .getMessage();
    Assert.assertTrue("No reducer rampDown preemption message",
        killEventMessage.contains(RMContainerAllocator.RAMPDOWN_DIAGNOSTIC));

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Examples of org.apache.hadoop.yarn.server.resourcemanager.MockNM


    // Submit the application
    RMApp app = rm.submitApp(1024);
    dispatcher.await();


    MockNM amNodeManager = rm.registerNode("amNM:1234", 2048);
    amNodeManager.nodeHeartbeat(true);
    dispatcher.await();


    ApplicationAttemptId appAttemptId = app.getCurrentAppAttempt()
        .getAppAttemptId();
    rm.sendAMLaunched(appAttemptId);

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