Package org.apache.hadoop.yarn.server.resourcemanager

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

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    RMApp app1 = rm.submitApp(128);

    // kick the scheduling
    nm1.nodeHeartbeat(true);
    RMAppAttempt attempt1 = app1.getCurrentAppAttempt();
    MockAM am1 = rm.sendAMLaunched(attempt1.getAppAttemptId());
    am1.registerAppAttempt();

    LOG.info("sending container requests ");
    am1.addRequests(new String[] { "*" }, 3 * GB, 1, 1);
    AMResponse alloc1Response = am1.schedule(); // send the request

    // kick the scheduler
    nm1.nodeHeartbeat(true);
    int waitCounter = 20;
    LOG.info("heartbeating nm1");
    while (alloc1Response.getAllocatedContainers().size() < 1
        && waitCounter-- > 0) {
      LOG.info("Waiting for containers to be created for app 1...");
      Thread.sleep(500);
      alloc1Response = am1.schedule();
    }
    LOG.info("received container : "
        + alloc1Response.getAllocatedContainers().size());

    // No container should be allocated.
    // Internally it should not been reserved.
    Assert.assertTrue(alloc1Response.getAllocatedContainers().size() == 0);

    LOG.info("heartbeating nm2");
    waitCounter = 20;
    nm2.nodeHeartbeat(true);
    while (alloc1Response.getAllocatedContainers().size() < 1
        && waitCounter-- > 0) {
      LOG.info("Waiting for containers to be created for app 1...");
      Thread.sleep(500);
      alloc1Response = am1.schedule();
    }
    LOG.info("received container : "
        + alloc1Response.getAllocatedContainers().size());
    Assert.assertTrue(alloc1Response.getAllocatedContainers().size() == 1);

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    RMApp app1 = rm.submitApp(128);

    // kick the scheduling
    nm1.nodeHeartbeat(true);
    RMAppAttempt attempt1 = app1.getCurrentAppAttempt();
    MockAM am1 = rm.sendAMLaunched(attempt1.getAppAttemptId());
    am1.registerAppAttempt();

    LOG.info("sending container requests ");
    am1.addRequests(new String[] {"*"}, 3 * GB, 1, 1);
    AllocateResponse alloc1Response = am1.schedule(); // send the request

    // kick the scheduler
    nm1.nodeHeartbeat(true);
    int waitCounter = 20;
    LOG.info("heartbeating nm1");
    while (alloc1Response.getAllocatedContainers().size() < 1
        && waitCounter-- > 0) {
      LOG.info("Waiting for containers to be created for app 1...");
      Thread.sleep(500);
      alloc1Response = am1.schedule();
    }
    LOG.info("received container : "
        + alloc1Response.getAllocatedContainers().size());

    // No container should be allocated.
    // Internally it should not been reserved.
    Assert.assertTrue(alloc1Response.getAllocatedContainers().size() == 0);

    LOG.info("heartbeating nm2");
    waitCounter = 20;
    nm2.nodeHeartbeat(true);
    while (alloc1Response.getAllocatedContainers().size() < 1
        && waitCounter-- > 0) {
      LOG.info("Waiting for containers to be created for app 1...");
      Thread.sleep(500);
      alloc1Response = am1.schedule();
    }
    LOG.info("received container : "
        + alloc1Response.getAllocatedContainers().size());
    Assert.assertTrue(alloc1Response.getAllocatedContainers().size() == 1);

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      ResourceScheduler.class);
    MockRM rm1 = new MockRM(conf);
    rm1.start();
    MockNM nm1 = rm1.registerNode("127.0.0.1:1234", 8000);
    RMApp app1 = rm1.submitApp(200);
    MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
    // request a container.
    am1.allocate("127.0.0.1", 1024, 1, new ArrayList<ContainerId>());
    ContainerId containerId2 =
        ContainerId.newInstance(am1.getApplicationAttemptId(), 2);
    rm1.waitForState(nm1, containerId2, RMContainerState.ALLOCATED);

    RMContainer container =
        rm1.getResourceScheduler().getRMContainer(containerId2);
    // no container token is generated.
    Assert.assertEquals(containerId2, container.getContainerId());
    Assert.assertNull(container.getContainer().getContainerToken());

    // acquire the container.
    List<Container> containers =
        am1.allocate(new ArrayList<ResourceRequest>(),
          new ArrayList<ContainerId>()).getAllocatedContainers();
    Assert.assertEquals(containerId2, containers.get(0).getId());
    // container token is generated.
    Assert.assertNotNull(containers.get(0).getContainerToken());
    rm1.stop();
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    YarnConfiguration conf = new YarnConfiguration();
    MockRM rm1 = new MockRM(conf);
    rm1.start();
    MockNM nm1 = rm1.registerNode("unknownhost:1234", 8000);
    RMApp app1 = rm1.submitApp(200);
    MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);

    // request a container.
    am1.allocate("127.0.0.1", 1024, 1, new ArrayList<ContainerId>());
    ContainerId containerId2 =
        ContainerId.newInstance(am1.getApplicationAttemptId(), 2);
    rm1.waitForState(nm1, containerId2, RMContainerState.ALLOCATED);

    // acquire the container.
    SecurityUtilTestHelper.setTokenServiceUseIp(true);
    List<Container> containers =
        am1.allocate(new ArrayList<ResourceRequest>(),
          new ArrayList<ContainerId>()).getAllocatedContainers();
    // not able to fetch the container;
    Assert.assertEquals(0, containers.size());

    SecurityUtilTestHelper.setTokenServiceUseIp(false);
    containers =
        am1.allocate(new ArrayList<ResourceRequest>(),
          new ArrayList<ContainerId>()).getAllocatedContainers();
    // should be able to fetch the container;
    Assert.assertEquals(1, containers.size());
  }
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    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,
      new ArrayList<ContainerId>());
    nm1.nodeHeartbeat(true);

    // wait for containers to be allocated.
    List<Container> containers =
        am1.allocate(new ArrayList<ResourceRequest>(),
          new ArrayList<ContainerId>()).getAllocatedContainers();
    while (containers.size() != NUM_CONTAINERS) {
      nm1.nodeHeartbeat(true);
      containers.addAll(am1.allocate(new ArrayList<ResourceRequest>(),
        new ArrayList<ContainerId>()).getAllocatedContainers());
      Thread.sleep(200);
    }

    // launch the 2nd container, for testing running container transferred.
    nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 2, ContainerState.RUNNING);
    ContainerId containerId2 =
        ContainerId.newInstance(am1.getApplicationAttemptId(), 2);
    rm1.waitForState(nm1, containerId2, RMContainerState.RUNNING);

    // launch the 3rd container, for testing container allocated by previous
    // attempt is completed by the next new attempt/
    nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 3, ContainerState.RUNNING);
    ContainerId containerId3 =
        ContainerId.newInstance(am1.getApplicationAttemptId(), 3);
    rm1.waitForState(nm1, containerId3, RMContainerState.RUNNING);

    // 4th container still in AQUIRED state. for testing Acquired container is
    // always killed.
    ContainerId containerId4 =
        ContainerId.newInstance(am1.getApplicationAttemptId(), 4);
    rm1.waitForState(nm1, containerId4, RMContainerState.ACQUIRED);

    // 5th container is in Allocated state. for testing allocated container is
    // always killed.
    am1.allocate("127.0.0.1", 1024, 1, new ArrayList<ContainerId>());
    nm1.nodeHeartbeat(true);
    ContainerId containerId5 =
        ContainerId.newInstance(am1.getApplicationAttemptId(), 5);
    rm1.waitForContainerAllocated(nm1, containerId5);
    rm1.waitForState(nm1, containerId5, RMContainerState.ALLOCATED);

    // 6th container is in Reserved state.
    am1.allocate("127.0.0.1", 6000, 1, new ArrayList<ContainerId>());
    ContainerId containerId6 =
        ContainerId.newInstance(am1.getApplicationAttemptId(), 6);
    nm1.nodeHeartbeat(true);
    SchedulerApplicationAttempt schedulerAttempt =
        ((CapacityScheduler) rm1.getResourceScheduler())
          .getCurrentAttemptForContainer(containerId6);
    while (schedulerAttempt.getReservedContainers().size() == 0) {
      System.out.println("Waiting for container " + containerId6
          + " to be reserved.");
      nm1.nodeHeartbeat(true);
      Thread.sleep(200);
    }
    // assert containerId6 is reserved.
    Assert.assertEquals(containerId6, schedulerAttempt.getReservedContainers()
      .get(0).getContainerId());

    // fail the AM by sending CONTAINER_FINISHED event without registering.
    nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 1, ContainerState.COMPLETE);
    am1.waitForState(RMAppAttemptState.FAILED);

    // wait for some time. previous AM's running containers should still remain
    // in scheduler even though am failed
    Thread.sleep(3000);
    rm1.waitForState(nm1, containerId2, RMContainerState.RUNNING);
    // acquired/allocated containers are cleaned up.
    Assert.assertNull(rm1.getResourceScheduler().getRMContainer(containerId4));
    Assert.assertNull(rm1.getResourceScheduler().getRMContainer(containerId5));

    // wait for app to start a new attempt.
    rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED);
    // assert this is a new AM.
    ApplicationAttemptId newAttemptId =
        app1.getCurrentAppAttempt().getAppAttemptId();
    Assert.assertFalse(newAttemptId.equals(am1.getApplicationAttemptId()));

    // launch the new AM
    RMAppAttempt attempt2 = app1.getCurrentAppAttempt();
    nm1.nodeHeartbeat(true);
    MockAM am2 = rm1.sendAMLaunched(attempt2.getAppAttemptId());
    RegisterApplicationMasterResponse registerResponse =
        am2.registerAppAttempt();

    // Assert two containers are running: container2 and container3;
    Assert.assertEquals(2, registerResponse.getContainersFromPreviousAttempts()
      .size());
    boolean containerId2Exists = false, containerId3Exists = false;
    for (Container container : registerResponse
      .getContainersFromPreviousAttempts()) {
      if (container.getId().equals(containerId2)) {
        containerId2Exists = true;
      }
      if (container.getId().equals(containerId3)) {
        containerId3Exists = true;
      }
    }
    Assert.assertTrue(containerId2Exists && containerId3Exists);
    rm1.waitForState(app1.getApplicationId(), RMAppState.RUNNING);

    // complete container by sending the container complete event which has earlier
    // attempt's attemptId
    nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 3, ContainerState.COMPLETE);
    rm1.waitForState(nm1, containerId3, RMContainerState.COMPLETED);

    // Even though the completed container containerId3 event was sent to the
    // earlier failed attempt, new RMAppAttempt can also capture this container
    // info.
    // completed containerId4 is also transferred to the new attempt.
    RMAppAttempt newAttempt =
        app1.getRMAppAttempt(am2.getApplicationAttemptId());
    // 4 containers finished, acquired/allocated/reserved/completed.
    Assert.assertEquals(4, newAttempt.getJustFinishedContainers().size());
    boolean container3Exists = false, container4Exists = false, container5Exists =
        false, container6Exists = false;
    for(ContainerStatus status :  newAttempt.getJustFinishedContainers()) {
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        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);

    int NUM_CONTAINERS = 1;
    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 1 container on nm1.
    while (true) {
      AllocateResponse response =
          am1.allocate("127.0.0.1", 2000, NUM_CONTAINERS,
            new ArrayList<ContainerId>());
      nm1.nodeHeartbeat(true);
      containers.addAll(response.getAllocatedContainers());
      expectedNMTokens.addAll(response.getNMTokens());
      if (containers.size() == NUM_CONTAINERS) {
        break;
      }
      Thread.sleep(200);
      System.out.println("Waiting for container to be allocated.");
    }
    // launch the container
    nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 2, ContainerState.RUNNING);
    ContainerId containerId2 =
        ContainerId.newInstance(am1.getApplicationAttemptId(), 2);
    rm1.waitForState(nm1, containerId2, 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, NUM_CONTAINERS,
            new ArrayList<ContainerId>());
      nm2.nodeHeartbeat(true);
      containers.addAll(allocateResponse.getAllocatedContainers());
      expectedNMTokens.addAll(allocateResponse.getNMTokens());
      if (containers.size() == NUM_CONTAINERS) {
        break;
      }
      Thread.sleep(200);
      System.out.println("Waiting for container to be allocated.");
    }
    nm1.nodeHeartbeat(am2.getApplicationAttemptId(), 2, ContainerState.RUNNING);
    ContainerId am2ContainerId2 =
        ContainerId.newInstance(am2.getApplicationAttemptId(), 2);
    rm1.waitForState(nm1, am2ContainerId2, RMContainerState.RUNNING);

    // fail am2.
    nm1.nodeHeartbeat(am2.getApplicationAttemptId(), 1, ContainerState.COMPLETE);
    am2.waitForState(RMAppAttemptState.FAILED);
    rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED);

    // restart am
    MockAM am3 = MockRM.launchAM(app1, rm1, nm1);
    registerResponse = am3.registerAppAttempt();
    rm1.waitForState(app1.getApplicationId(), RMAppState.RUNNING);

    // check am3 get the NM token from both am1 and am2;
    List<NMToken> transferredTokens = registerResponse.getNMTokensFromPreviousAttempts();
    Assert.assertEquals(2, transferredTokens.size());
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    // Trigger the scheduling so the AM gets 'launched'
    nm1.nodeHeartbeat(true);

    RMAppAttempt attempt = app.getCurrentAppAttempt();
    MockAM am = rm.sendAMLaunched(attempt.getAppAttemptId());

    am.registerAppAttempt();
   
    AllocateRequest allocateRequest =
        AllocateRequest.newInstance(0, 0F, null, null, null);

    AllocateResponse response =
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    // Trigger the scheduling so the AM gets 'launched' on nm1
    nm1.nodeHeartbeat(true);

    RMAppAttempt attempt1 = app1.getCurrentAppAttempt();
    MockAM am1 = rm.sendAMLaunched(attempt1.getAppAttemptId());
   
    // register AM returns no unusable node
    am1.registerAppAttempt();

    // allocate request returns no updated node
    AllocateRequest allocateRequest1 =
        AllocateRequest.newInstance(0, 0F, null, null, null);
    AllocateResponse response1 =
        allocate(attempt1.getAppAttemptId(), allocateRequest1);
    List<NodeReport> updatedNodes = response1.getUpdatedNodes();
    Assert.assertEquals(0, updatedNodes.size());

    syncNodeHeartbeat(nm4, false);
   
    // allocate request returns updated node
    allocateRequest1 =
        AllocateRequest.newInstance(response1.getResponseId(), 0F, null, null,
          null);
    response1 = allocate(attempt1.getAppAttemptId(), allocateRequest1);
    updatedNodes = response1.getUpdatedNodes();
    Assert.assertEquals(1, updatedNodes.size());
    NodeReport nr = updatedNodes.iterator().next();
    Assert.assertEquals(nm4.getNodeId(), nr.getNodeId());
    Assert.assertEquals(NodeState.UNHEALTHY, nr.getNodeState());
   
    // resending the allocate request returns the same result
    response1 = allocate(attempt1.getAppAttemptId(), allocateRequest1);
    updatedNodes = response1.getUpdatedNodes();
    Assert.assertEquals(1, updatedNodes.size());
    nr = updatedNodes.iterator().next();
    Assert.assertEquals(nm4.getNodeId(), nr.getNodeId());
    Assert.assertEquals(NodeState.UNHEALTHY, nr.getNodeState());

    syncNodeLost(nm3);
   
    // subsequent allocate request returns delta
    allocateRequest1 =
        AllocateRequest.newInstance(response1.getResponseId(), 0F, null, null,
          null);
    response1 = allocate(attempt1.getAppAttemptId(), allocateRequest1);
    updatedNodes = response1.getUpdatedNodes();
    Assert.assertEquals(1, updatedNodes.size());
    nr = updatedNodes.iterator().next();
    Assert.assertEquals(nm3.getNodeId(), nr.getNodeId());
    Assert.assertEquals(NodeState.LOST, nr.getNodeState());
       
    // registering another AM gives it the complete failed list
    RMApp app2 = rm.submitApp(2000);
    // Trigger nm2 heartbeat so that AM gets launched on it
    nm2.nodeHeartbeat(true);
    RMAppAttempt attempt2 = app2.getCurrentAppAttempt();
    MockAM am2 = rm.sendAMLaunched(attempt2.getAppAttemptId());
   
    // register AM returns all unusable nodes
    am2.registerAppAttempt();
   
    // allocate request returns no updated node
    AllocateRequest allocateRequest2 =
        AllocateRequest.newInstance(0, 0F, null, null, null);
    AllocateResponse response2 =
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    nm1.nodeHeartbeat(true);
    dispatcher.await();

    ApplicationAttemptId appAttempt = app.getCurrentAppAttempt().getAppAttemptId();
    final MockAM mockAM =
        new MockAM(rm.getRMContext(), rm.getApplicationMasterService(),
            app.getCurrentAppAttempt().getAppAttemptId());
    UserGroupInformation appUgi =
        UserGroupInformation.createRemoteUser(appAttempt.toString());
    RegisterApplicationMasterResponse response =
        appUgi.doAs(new PrivilegedAction<RegisterApplicationMasterResponse>() {

          @Override
          public RegisterApplicationMasterResponse run() {
            RegisterApplicationMasterResponse response = null;
            try {
              response = mockAM.registerAppAttempt();
            } catch (Exception e) {
              Assert.fail("Exception was not expected");
            }
            return response;
          }
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    long start = System.currentTimeMillis();
    Thread.sleep(1);
    RMApp app1 = rm.submitApp(CONTAINER_MB);
    amNodeManager.nodeHeartbeat(true);
    // finish App
    MockAM am = rm
        .sendAMLaunched(app1.getCurrentAppAttempt().getAppAttemptId());
    am.registerAppAttempt();
    am.unregisterAppAttempt();
    amNodeManager.nodeHeartbeat(app1.getCurrentAppAttempt().getAppAttemptId(),
        1, ContainerState.COMPLETE);
    rm.submitApp(CONTAINER_MB);
    rm.submitApp(CONTAINER_MB);
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Related Classes of org.apache.hadoop.yarn.server.resourcemanager.MockAM

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  • org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest
  • org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest
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  • org.apache.hadoop.yarn.api.records.Resource
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