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

Examples of org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.NodeRemovedSchedulerEvent

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    @Override
    public void transition(RMNodeImpl rmNode, RMNodeEvent event) {
      // Inform the scheduler
      rmNode.nodeUpdateQueue.clear();
      rmNode.context.getDispatcher().getEventHandler().handle(
          new NodeRemovedSchedulerEvent(rmNode));
      rmNode.context.getDispatcher().getEventHandler().handle(
          new NodesListManagerEvent(
              NodesListManagerEventType.NODE_UNUSABLE, rmNode));

      // Deactivate the node
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        LOG.info("Node " + rmNode.nodeId + " reported UNHEALTHY with details: "
            + remoteNodeHealthStatus.getHealthReport());
        rmNode.nodeUpdateQueue.clear();
        // Inform the scheduler
        rmNode.context.getDispatcher().getEventHandler().handle(
            new NodeRemovedSchedulerEvent(rmNode));
        rmNode.context.getDispatcher().getEventHandler().handle(
            new NodesListManagerEvent(
                NodesListManagerEventType.NODE_UNUSABLE, rmNode));
        // Update metrics
        rmNode.updateMetricsForDeactivatedNode(NodeState.UNHEALTHY);
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      addNode(nodeAddedEvent.getAddedRMNode());
    }
    break;
    case NODE_REMOVED:
    {
      NodeRemovedSchedulerEvent nodeRemovedEvent = (NodeRemovedSchedulerEvent)event;
      removeNode(nodeRemovedEvent.getRemovedRMNode());
    }
    break;
    case NODE_UPDATE:
    {
      NodeUpdateSchedulerEvent nodeUpdatedEvent =
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    @Override
    public void transition(RMNodeImpl rmNode, RMNodeEvent event) {
      // Kill containers since node is rejoining.
      rmNode.nodeUpdateQueue.clear();
      rmNode.context.getDispatcher().getEventHandler().handle(
          new NodeRemovedSchedulerEvent(rmNode));

      RMNode newNode = ((RMNodeReconnectEvent)event).getReconnectedNode();
      if (rmNode.getTotalCapability().equals(newNode.getTotalCapability())
          && rmNode.getHttpPort() == newNode.getHttpPort()) {
        // Reset heartbeat ID since node just restarted.
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      break;
    case NODE_REMOVED:
      if (!(event instanceof NodeRemovedSchedulerEvent)) {
        throw new RuntimeException("Unexpected event type: " + event);
      }
      NodeRemovedSchedulerEvent nodeRemovedEvent = (NodeRemovedSchedulerEvent)event;
      removeNode(nodeRemovedEvent.getRemovedRMNode());
      break;
    case NODE_UPDATE:
      if (!(event instanceof NodeUpdateSchedulerEvent)) {
        throw new RuntimeException("Unexpected event type: " + event);
      }
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      addNode(nodeAddedEvent.getAddedRMNode());
    }
    break;
    case NODE_REMOVED:
    {
      NodeRemovedSchedulerEvent nodeRemovedEvent = (NodeRemovedSchedulerEvent)event;
      removeNode(nodeRemovedEvent.getRemovedRMNode());
    }
    break;
    case NODE_UPDATE:
    {
      NodeUpdateSchedulerEvent nodeUpdatedEvent =
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    @Override
    public void transition(RMNodeImpl rmNode, RMNodeEvent event) {
      // Kill containers since node is rejoining.
      rmNode.nodeUpdateQueue.clear();
      rmNode.context.getDispatcher().getEventHandler().handle(
          new NodeRemovedSchedulerEvent(rmNode));

      RMNode newNode = ((RMNodeReconnectEvent)event).getReconnectedNode();
      if (rmNode.getTotalCapability().equals(newNode.getTotalCapability())
          && rmNode.getHttpPort() == newNode.getHttpPort()) {
        // Reset heartbeat ID since node just restarted.
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      // Then node is already been removed from the
      // Scheduler
      NodeState initialState = rmNode.getState();
      if (!initialState.equals(NodeState.UNHEALTHY)) {
        rmNode.context.getDispatcher().getEventHandler()
          .handle(new NodeRemovedSchedulerEvent(rmNode));
      }
      rmNode.context.getDispatcher().getEventHandler().handle(
          new NodesListManagerEvent(
              NodesListManagerEventType.NODE_UNUSABLE, rmNode));
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        LOG.info("Node " + rmNode.nodeId + " reported UNHEALTHY with details: "
            + remoteNodeHealthStatus.getHealthReport());
        rmNode.nodeUpdateQueue.clear();
        // Inform the scheduler
        rmNode.context.getDispatcher().getEventHandler().handle(
            new NodeRemovedSchedulerEvent(rmNode));
        rmNode.context.getDispatcher().getEventHandler().handle(
            new NodesListManagerEvent(
                NodesListManagerEventType.NODE_UNUSABLE, rmNode));
        // Update metrics
        rmNode.updateMetricsForDeactivatedNode(rmNode.getState(),
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    Assert.assertEquals(6 * GB, fs.getRootQueueMetrics().getAvailableMB());

    // reconnect n1 with downgraded memory
    n1 =
        MockNodes.newNodeInfo(0, MockNodes.newResource(2 * GB), 1, "127.0.0.2");
    fs.handle(new NodeRemovedSchedulerEvent(n1));
    fs.handle(new NodeAddedSchedulerEvent(n1));
    fs.handle(new NodeUpdateSchedulerEvent(n1));

    Assert.assertEquals(4 * GB, fs.getRootQueueMetrics().getAvailableMB());
  }
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Related Classes of org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.NodeRemovedSchedulerEvent

  • org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl$DeactivateNodeTransition
  • org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl$ReconnectNodeTransition
  • org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl$RemoveNodeTransition
  • org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl$StatusUpdateWhenHealthyTransition
  • org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler
  • org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestCapacityScheduler
  • org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler
  • org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.TestFairScheduler
  • org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler
  • org.apache.hadoop.yarn.server.resourcemanager.TestFifoScheduler
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