Java Code Examples for org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl#handle()

The following examples show how to use org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl#handle() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: TestRMNodeTransitions.java    From big-c with Apache License 2.0 6 votes vote down vote up 
@Test
public void testAdd() {
  RMNodeImpl node = getNewNode();
  ClusterMetrics cm = ClusterMetrics.getMetrics();
  int initialActive = cm.getNumActiveNMs();
  int initialLost = cm.getNumLostNMs();
  int initialUnhealthy = cm.getUnhealthyNMs();
  int initialDecommissioned = cm.getNumDecommisionedNMs();
  int initialRebooted = cm.getNumRebootedNMs();
  node.handle(new RMNodeStartedEvent(node.getNodeID(), null, null));
  Assert.assertEquals("Active Nodes", initialActive + 1, cm.getNumActiveNMs());
  Assert.assertEquals("Lost Nodes", initialLost, cm.getNumLostNMs());
  Assert.assertEquals("Unhealthy Nodes",
      initialUnhealthy, cm.getUnhealthyNMs());
  Assert.assertEquals("Decommissioned Nodes",
      initialDecommissioned, cm.getNumDecommisionedNMs());
  Assert.assertEquals("Rebooted Nodes",
      initialRebooted, cm.getNumRebootedNMs());
  Assert.assertEquals(NodeState.RUNNING, node.getState());
  Assert.assertNotNull(nodesListManagerEvent);
  Assert.assertEquals(NodesListManagerEventType.NODE_USABLE, 
      nodesListManagerEvent.getType());
}
Example 2
Source File: TestRMNodeTransitions.java    From hadoop with Apache License 2.0 6 votes vote down vote up 
@Test
public void testResourceUpdateOnNewNode() {
  RMNodeImpl node = getNewNode(Resource.newInstance(4096, 4, 4));
  Resource oldCapacity = node.getTotalCapability();
  assertEquals("Memory resource is not match.", oldCapacity.getMemory(), 4096);
  assertEquals("CPU resource is not match.", oldCapacity.getVirtualCores(), 4);
  node.handle(new RMNodeResourceUpdateEvent(node.getNodeID(),
      ResourceOption.newInstance(Resource.newInstance(2048, 2, 2),
          RMNode.OVER_COMMIT_TIMEOUT_MILLIS_DEFAULT)));
  Resource newCapacity = node.getTotalCapability();
  assertEquals("Memory resource is not match.", newCapacity.getMemory(), 2048);
  assertEquals("CPU resource is not match.", newCapacity.getVirtualCores(), 2);
  assertEquals("GPU resource is not match.", newCapacity.getGpuCores(), 2);
  
  Assert.assertEquals(NodeState.NEW, node.getState());
}
Example 3
Source File: TestRMNodeTransitions.java    From hadoop with Apache License 2.0 6 votes vote down vote up 
@Test
public void testAdd() {
  RMNodeImpl node = getNewNode();
  ClusterMetrics cm = ClusterMetrics.getMetrics();
  int initialActive = cm.getNumActiveNMs();
  int initialLost = cm.getNumLostNMs();
  int initialUnhealthy = cm.getUnhealthyNMs();
  int initialDecommissioned = cm.getNumDecommisionedNMs();
  int initialRebooted = cm.getNumRebootedNMs();
  node.handle(new RMNodeStartedEvent(node.getNodeID(), null, null));
  Assert.assertEquals("Active Nodes", initialActive + 1, cm.getNumActiveNMs());
  Assert.assertEquals("Lost Nodes", initialLost, cm.getNumLostNMs());
  Assert.assertEquals("Unhealthy Nodes",
      initialUnhealthy, cm.getUnhealthyNMs());
  Assert.assertEquals("Decommissioned Nodes",
      initialDecommissioned, cm.getNumDecommisionedNMs());
  Assert.assertEquals("Rebooted Nodes",
      initialRebooted, cm.getNumRebootedNMs());
  Assert.assertEquals(NodeState.RUNNING, node.getState());
  Assert.assertNotNull(nodesListManagerEvent);
  Assert.assertEquals(NodesListManagerEventType.NODE_USABLE, 
      nodesListManagerEvent.getType());
}
Example 4
Source File: TestRMNodeTransitions.java    From big-c with Apache License 2.0 6 votes vote down vote up 
@Test
public void testResourceUpdateOnRunningNode() {
  RMNodeImpl node = getRunningNode();
  Resource oldCapacity = node.getTotalCapability();
  assertEquals("Memory resource is not match.", oldCapacity.getMemory(), 4096);
  assertEquals("CPU resource is not match.", oldCapacity.getVirtualCores(), 4);
  node.handle(new RMNodeResourceUpdateEvent(node.getNodeID(),
      ResourceOption.newInstance(Resource.newInstance(2048, 2), 
          RMNode.OVER_COMMIT_TIMEOUT_MILLIS_DEFAULT)));
  Resource newCapacity = node.getTotalCapability();
  assertEquals("Memory resource is not match.", newCapacity.getMemory(), 2048);
  assertEquals("CPU resource is not match.", newCapacity.getVirtualCores(), 2);
  
  Assert.assertEquals(NodeState.RUNNING, node.getState());
  Assert.assertNotNull(nodesListManagerEvent);
  Assert.assertEquals(NodesListManagerEventType.NODE_USABLE,
      nodesListManagerEvent.getType());
}
Example 5
Source File: TestRMNodeTransitions.java    From big-c with Apache License 2.0 6 votes vote down vote up 
@Test
public void testUnhealthyRebooting() {
  RMNodeImpl node = getUnhealthyNode();
  ClusterMetrics cm = ClusterMetrics.getMetrics();
  int initialActive = cm.getNumActiveNMs();
  int initialLost = cm.getNumLostNMs();
  int initialUnhealthy = cm.getUnhealthyNMs();
  int initialDecommissioned = cm.getNumDecommisionedNMs();
  int initialRebooted = cm.getNumRebootedNMs();
  node.handle(new RMNodeEvent(node.getNodeID(),
      RMNodeEventType.REBOOTING));
  Assert.assertEquals("Active Nodes", initialActive, cm.getNumActiveNMs());
  Assert.assertEquals("Lost Nodes", initialLost, cm.getNumLostNMs());
  Assert.assertEquals("Unhealthy Nodes",
      initialUnhealthy - 1, cm.getUnhealthyNMs());
  Assert.assertEquals("Decommissioned Nodes",
      initialDecommissioned, cm.getNumDecommisionedNMs());
  Assert.assertEquals("Rebooted Nodes",
      initialRebooted + 1, cm.getNumRebootedNMs());
  Assert.assertEquals(NodeState.REBOOTED, node.getState());
}
Example 6
Source File: TestRMNodeTransitions.java    From big-c with Apache License 2.0 6 votes vote down vote up 
@Test
public void testRunningExpire() {
  RMNodeImpl node = getRunningNode();
  ClusterMetrics cm = ClusterMetrics.getMetrics();
  int initialActive = cm.getNumActiveNMs();
  int initialLost = cm.getNumLostNMs();
  int initialUnhealthy = cm.getUnhealthyNMs();
  int initialDecommissioned = cm.getNumDecommisionedNMs();
  int initialRebooted = cm.getNumRebootedNMs();
  node.handle(new RMNodeEvent(node.getNodeID(), RMNodeEventType.EXPIRE));
  Assert.assertEquals("Active Nodes", initialActive - 1, cm.getNumActiveNMs());
  Assert.assertEquals("Lost Nodes", initialLost + 1, cm.getNumLostNMs());
  Assert.assertEquals("Unhealthy Nodes",
      initialUnhealthy, cm.getUnhealthyNMs());
  Assert.assertEquals("Decommissioned Nodes",
      initialDecommissioned, cm.getNumDecommisionedNMs());
  Assert.assertEquals("Rebooted Nodes",
      initialRebooted, cm.getNumRebootedNMs());
  Assert.assertEquals(NodeState.LOST, node.getState());
}
Example 7
Source File: TestRMNodeTransitions.java    From big-c with Apache License 2.0 6 votes vote down vote up 
@Test
public void testUnhealthyDecommission() {
  RMNodeImpl node = getUnhealthyNode();
  ClusterMetrics cm = ClusterMetrics.getMetrics();
  int initialActive = cm.getNumActiveNMs();
  int initialLost = cm.getNumLostNMs();
  int initialUnhealthy = cm.getUnhealthyNMs();
  int initialDecommissioned = cm.getNumDecommisionedNMs();
  int initialRebooted = cm.getNumRebootedNMs();
  node.handle(new RMNodeEvent(node.getNodeID(),
      RMNodeEventType.DECOMMISSION));
  Assert.assertEquals("Active Nodes", initialActive, cm.getNumActiveNMs());
  Assert.assertEquals("Lost Nodes", initialLost, cm.getNumLostNMs());
  Assert.assertEquals("Unhealthy Nodes",
      initialUnhealthy - 1, cm.getUnhealthyNMs());
  Assert.assertEquals("Decommissioned Nodes",
      initialDecommissioned + 1, cm.getNumDecommisionedNMs());
  Assert.assertEquals("Rebooted Nodes",
      initialRebooted, cm.getNumRebootedNMs());
  Assert.assertEquals(NodeState.DECOMMISSIONED, node.getState());
}
Example 8
Source File: TestRMNodeTransitions.java    From big-c with Apache License 2.0 6 votes vote down vote up 
@Test
public void testReconnect() {
  RMNodeImpl node = getRunningNode();
  ClusterMetrics cm = ClusterMetrics.getMetrics();
  int initialActive = cm.getNumActiveNMs();
  int initialLost = cm.getNumLostNMs();
  int initialUnhealthy = cm.getUnhealthyNMs();
  int initialDecommissioned = cm.getNumDecommisionedNMs();
  int initialRebooted = cm.getNumRebootedNMs();
  node.handle(new RMNodeReconnectEvent(node.getNodeID(), node, null, null));
  Assert.assertEquals("Active Nodes", initialActive, cm.getNumActiveNMs());
  Assert.assertEquals("Lost Nodes", initialLost, cm.getNumLostNMs());
  Assert.assertEquals("Unhealthy Nodes",
      initialUnhealthy, cm.getUnhealthyNMs());
  Assert.assertEquals("Decommissioned Nodes",
      initialDecommissioned, cm.getNumDecommisionedNMs());
  Assert.assertEquals("Rebooted Nodes",
      initialRebooted, cm.getNumRebootedNMs());
  Assert.assertEquals(NodeState.RUNNING, node.getState());
  Assert.assertNotNull(nodesListManagerEvent);
  Assert.assertEquals(NodesListManagerEventType.NODE_USABLE,
      nodesListManagerEvent.getType());
}
Example 9
Source File: TestRMNodeTransitions.java    From big-c with Apache License 2.0 5 votes vote down vote up 
private RMNodeImpl getUnhealthyNode() {
  RMNodeImpl node = getRunningNode();
  NodeHealthStatus status = NodeHealthStatus.newInstance(false, "sick",
      System.currentTimeMillis());
  node.handle(new RMNodeStatusEvent(node.getNodeID(), status,
      new ArrayList<ContainerStatus>(), null, null));
  Assert.assertEquals(NodeState.UNHEALTHY, node.getState());
  return node;
}
Example 10
Source File: TestRMNodeTransitions.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
private RMNodeImpl getRebootedNode() {
  NodeId nodeId = BuilderUtils.newNodeId("localhost", 0);
  Resource capability = Resource.newInstance(4096, 4, 4);
  RMNodeImpl node = new RMNodeImpl(nodeId, rmContext,null, 0, 0,
      null, capability, null);
  node.handle(new RMNodeStartedEvent(node.getNodeID(), null, null));
  Assert.assertEquals(NodeState.RUNNING, node.getState());
  node.handle(new RMNodeEvent(node.getNodeID(), RMNodeEventType.REBOOTING));
  Assert.assertEquals(NodeState.REBOOTED, node.getState());
  return node;
}
Example 11
Source File: TestRMNodeTransitions.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
private RMNodeImpl getUnhealthyNode() {
  RMNodeImpl node = getRunningNode();
  NodeHealthStatus status = NodeHealthStatus.newInstance(false, "sick",
      System.currentTimeMillis());
  node.handle(new RMNodeStatusEvent(node.getNodeID(), status,
      new ArrayList<ContainerStatus>(), null, null));
  Assert.assertEquals(NodeState.UNHEALTHY, node.getState());
  return node;
}
Example 12
Source File: TestRMNodeTransitions.java    From big-c with Apache License 2.0 5 votes vote down vote up 
@Test
public void testUnhealthyExpireForSchedulerRemove() {
  RMNodeImpl node = getUnhealthyNode();
  verify(scheduler,times(2)).handle(any(NodeRemovedSchedulerEvent.class));
  node.handle(new RMNodeEvent(node.getNodeID(), RMNodeEventType.EXPIRE));
  verify(scheduler,times(2)).handle(any(NodeRemovedSchedulerEvent.class));
  Assert.assertEquals(NodeState.LOST, node.getState());
}
Example 13
Source File: TestRMNodeTransitions.java    From big-c with Apache License 2.0 5 votes vote down vote up 
@Test
public void testResourceUpdateOnNewNode() {
  RMNodeImpl node = getNewNode(Resource.newInstance(4096, 4));
  Resource oldCapacity = node.getTotalCapability();
  assertEquals("Memory resource is not match.", oldCapacity.getMemory(), 4096);
  assertEquals("CPU resource is not match.", oldCapacity.getVirtualCores(), 4);
  node.handle(new RMNodeResourceUpdateEvent(node.getNodeID(),
      ResourceOption.newInstance(Resource.newInstance(2048, 2), 
          RMNode.OVER_COMMIT_TIMEOUT_MILLIS_DEFAULT)));
  Resource newCapacity = node.getTotalCapability();
  assertEquals("Memory resource is not match.", newCapacity.getMemory(), 2048);
  assertEquals("CPU resource is not match.", newCapacity.getVirtualCores(), 2);
  
  Assert.assertEquals(NodeState.NEW, node.getState());
}
Example 14
Source File: TestRMNodeTransitions.java    From big-c with Apache License 2.0 5 votes vote down vote up 
@Test
public void testResourceUpdateOnRebootedNode() {
  RMNodeImpl node = getRebootedNode();
  Resource oldCapacity = node.getTotalCapability();
  assertEquals("Memory resource is not match.", oldCapacity.getMemory(), 4096);
  assertEquals("CPU resource is not match.", oldCapacity.getVirtualCores(), 4);
  node.handle(new RMNodeResourceUpdateEvent(node.getNodeID(),
      ResourceOption.newInstance(Resource.newInstance(2048, 2), 
          RMNode.OVER_COMMIT_TIMEOUT_MILLIS_DEFAULT)));
  Resource newCapacity = node.getTotalCapability();
  assertEquals("Memory resource is not match.", newCapacity.getMemory(), 2048);
  assertEquals("CPU resource is not match.", newCapacity.getVirtualCores(), 2);
  
  Assert.assertEquals(NodeState.REBOOTED, node.getState());
}
Example 15
Source File: TestRMNodeTransitions.java    From big-c with Apache License 2.0 5 votes vote down vote up 
private RMNodeImpl getRebootedNode() {
  NodeId nodeId = BuilderUtils.newNodeId("localhost", 0);
  Resource capability = Resource.newInstance(4096, 4);
  RMNodeImpl node = new RMNodeImpl(nodeId, rmContext,null, 0, 0,
      null, capability, null);
  node.handle(new RMNodeStartedEvent(node.getNodeID(), null, null));
  Assert.assertEquals(NodeState.RUNNING, node.getState());
  node.handle(new RMNodeEvent(node.getNodeID(), RMNodeEventType.REBOOTING));
  Assert.assertEquals(NodeState.REBOOTED, node.getState());
  return node;
}
Example 16
Source File: TestRMNodeTransitions.java    From big-c with Apache License 2.0 5 votes vote down vote up 
@Test(timeout=20000)
public void testUpdateHeartbeatResponseForCleanup() {
  RMNodeImpl node = getRunningNode();
  NodeId nodeId = node.getNodeID();

  // Expire a container
ContainerId completedContainerId = BuilderUtils.newContainerId(
		BuilderUtils.newApplicationAttemptId(
				BuilderUtils.newApplicationId(0, 0), 0), 0);
  node.handle(new RMNodeCleanContainerEvent(nodeId, completedContainerId));
  Assert.assertEquals(1, node.getContainersToCleanUp().size());

  // Finish an application
  ApplicationId finishedAppId = BuilderUtils.newApplicationId(0, 1);
  node.handle(new RMNodeCleanAppEvent(nodeId, finishedAppId));
  Assert.assertEquals(1, node.getAppsToCleanup().size());

  // Verify status update does not clear containers/apps to cleanup
  // but updating heartbeat response for cleanup does
  RMNodeStatusEvent statusEvent = getMockRMNodeStatusEvent();
  node.handle(statusEvent);
  Assert.assertEquals(1, node.getContainersToCleanUp().size());
  Assert.assertEquals(1, node.getAppsToCleanup().size());
  NodeHeartbeatResponse hbrsp = Records.newRecord(NodeHeartbeatResponse.class);
  node.updateNodeHeartbeatResponseForCleanup(hbrsp);
  Assert.assertEquals(0, node.getContainersToCleanUp().size());
  Assert.assertEquals(0, node.getAppsToCleanup().size());
  Assert.assertEquals(1, hbrsp.getContainersToCleanup().size());
  Assert.assertEquals(completedContainerId, hbrsp.getContainersToCleanup().get(0));
  Assert.assertEquals(1, hbrsp.getApplicationsToCleanup().size());
  Assert.assertEquals(finishedAppId, hbrsp.getApplicationsToCleanup().get(0));
}
Example 17
Source File: TestRMNodeTransitions.java    From big-c with Apache License 2.0 4 votes vote down vote up 
@Test (timeout = 5000)
public void testContainerUpdate() throws InterruptedException{
  //Start the node
  node.handle(new RMNodeStartedEvent(null, null, null));
  
  NodeId nodeId = BuilderUtils.newNodeId("localhost:1", 1);
  RMNodeImpl node2 = new RMNodeImpl(nodeId, rmContext, null, 0, 0, null, null, null);
  node2.handle(new RMNodeStartedEvent(null, null, null));
  
  ContainerId completedContainerIdFromNode1 = BuilderUtils.newContainerId(
      BuilderUtils.newApplicationAttemptId(
          BuilderUtils.newApplicationId(0, 0), 0), 0);
  ContainerId completedContainerIdFromNode2_1 = BuilderUtils.newContainerId(
      BuilderUtils.newApplicationAttemptId(
          BuilderUtils.newApplicationId(1, 1), 1), 1);
  ContainerId completedContainerIdFromNode2_2 = BuilderUtils.newContainerId(
      BuilderUtils.newApplicationAttemptId(
          BuilderUtils.newApplicationId(1, 1), 1), 2);
 
  RMNodeStatusEvent statusEventFromNode1 = getMockRMNodeStatusEvent();
  RMNodeStatusEvent statusEventFromNode2_1 = getMockRMNodeStatusEvent();
  RMNodeStatusEvent statusEventFromNode2_2 = getMockRMNodeStatusEvent();
  
  ContainerStatus containerStatusFromNode1 = mock(ContainerStatus.class);
  ContainerStatus containerStatusFromNode2_1 = mock(ContainerStatus.class);
  ContainerStatus containerStatusFromNode2_2 = mock(ContainerStatus.class);

  doReturn(completedContainerIdFromNode1).when(containerStatusFromNode1)
      .getContainerId();
  doReturn(Collections.singletonList(containerStatusFromNode1))
      .when(statusEventFromNode1).getContainers();
  node.handle(statusEventFromNode1);
  Assert.assertEquals(1, completedContainers.size());
  Assert.assertEquals(completedContainerIdFromNode1,
      completedContainers.get(0).getContainerId());

  completedContainers.clear();

  doReturn(completedContainerIdFromNode2_1).when(containerStatusFromNode2_1)
      .getContainerId();
  doReturn(Collections.singletonList(containerStatusFromNode2_1))
      .when(statusEventFromNode2_1).getContainers();

  doReturn(completedContainerIdFromNode2_2).when(containerStatusFromNode2_2)
      .getContainerId();
  doReturn(Collections.singletonList(containerStatusFromNode2_2))
      .when(statusEventFromNode2_2).getContainers();

  node2.setNextHeartBeat(false);
  node2.handle(statusEventFromNode2_1);
  node2.setNextHeartBeat(true);
  node2.handle(statusEventFromNode2_2);

  Assert.assertEquals(2, completedContainers.size());
  Assert.assertEquals(completedContainerIdFromNode2_1,completedContainers.get(0)
      .getContainerId()); 
  Assert.assertEquals(completedContainerIdFromNode2_2,completedContainers.get(1)
      .getContainerId());   
}
Example 18
Source File: TestRMNodeTransitions.java    From hadoop with Apache License 2.0 4 votes vote down vote up 
@Test (timeout = 5000)
public void testContainerUpdate() throws InterruptedException{
  //Start the node
  node.handle(new RMNodeStartedEvent(null, null, null));
  
  NodeId nodeId = BuilderUtils.newNodeId("localhost:1", 1);
  RMNodeImpl node2 = new RMNodeImpl(nodeId, rmContext, null, 0, 0, null, null, null);
  node2.handle(new RMNodeStartedEvent(null, null, null));
  
  ContainerId completedContainerIdFromNode1 = BuilderUtils.newContainerId(
      BuilderUtils.newApplicationAttemptId(
          BuilderUtils.newApplicationId(0, 0), 0), 0);
  ContainerId completedContainerIdFromNode2_1 = BuilderUtils.newContainerId(
      BuilderUtils.newApplicationAttemptId(
          BuilderUtils.newApplicationId(1, 1), 1), 1);
  ContainerId completedContainerIdFromNode2_2 = BuilderUtils.newContainerId(
      BuilderUtils.newApplicationAttemptId(
          BuilderUtils.newApplicationId(1, 1), 1), 2);
 
  RMNodeStatusEvent statusEventFromNode1 = getMockRMNodeStatusEvent();
  RMNodeStatusEvent statusEventFromNode2_1 = getMockRMNodeStatusEvent();
  RMNodeStatusEvent statusEventFromNode2_2 = getMockRMNodeStatusEvent();
  
  ContainerStatus containerStatusFromNode1 = mock(ContainerStatus.class);
  ContainerStatus containerStatusFromNode2_1 = mock(ContainerStatus.class);
  ContainerStatus containerStatusFromNode2_2 = mock(ContainerStatus.class);

  doReturn(completedContainerIdFromNode1).when(containerStatusFromNode1)
      .getContainerId();
  doReturn(Collections.singletonList(containerStatusFromNode1))
      .when(statusEventFromNode1).getContainers();
  node.handle(statusEventFromNode1);
  Assert.assertEquals(1, completedContainers.size());
  Assert.assertEquals(completedContainerIdFromNode1,
      completedContainers.get(0).getContainerId());

  completedContainers.clear();

  doReturn(completedContainerIdFromNode2_1).when(containerStatusFromNode2_1)
      .getContainerId();
  doReturn(Collections.singletonList(containerStatusFromNode2_1))
      .when(statusEventFromNode2_1).getContainers();

  doReturn(completedContainerIdFromNode2_2).when(containerStatusFromNode2_2)
      .getContainerId();
  doReturn(Collections.singletonList(containerStatusFromNode2_2))
      .when(statusEventFromNode2_2).getContainers();

  node2.setNextHeartBeat(false);
  node2.handle(statusEventFromNode2_1);
  node2.setNextHeartBeat(true);
  node2.handle(statusEventFromNode2_2);

  Assert.assertEquals(2, completedContainers.size());
  Assert.assertEquals(completedContainerIdFromNode2_1,completedContainers.get(0)
      .getContainerId()); 
  Assert.assertEquals(completedContainerIdFromNode2_2,completedContainers.get(1)
      .getContainerId());   
}
Example 19
Source File: MockRM.java    From hadoop with Apache License 2.0 4 votes vote down vote up 
public void sendNodeLost(MockNM nm) throws Exception {
  RMNodeImpl node = (RMNodeImpl) getRMContext().getRMNodes().get(
      nm.getNodeId());
  node.handle(new RMNodeEvent(nm.getNodeId(), RMNodeEventType.EXPIRE));
}
Example 20
Source File: MockRM.java    From hadoop with Apache License 2.0 4 votes vote down vote up 
public void sendNodeStarted(MockNM nm) throws Exception {
  RMNodeImpl node = (RMNodeImpl) getRMContext().getRMNodes().get(
      nm.getNodeId());
  node.handle(new RMNodeStartedEvent(nm.getNodeId(), null, null));
}