Package org.apache.hadoop.yarn.api.records

Examples of org.apache.hadoop.yarn.api.records.NodeState

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      SingleArcTransition<JobImpl, JobEvent> {
    @Override
    public void transition(JobImpl job, JobEvent event) {
      JobUpdatedNodesEvent updateEvent = (JobUpdatedNodesEvent) event;
      for(NodeReport nr: updateEvent.getUpdatedNodes()) {
        NodeState nodeState = nr.getNodeState();
        if(nodeState.isUnusable()) {
          // act on the updates
          job.actOnUnusableNode(nr.getNodeId(), nodeState);
        }
      }
    }
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          new RMAppAttemptEvent(appAttemptId, RMAppAttemptEventType.START));
    }
  }
 
  private void processNodeUpdate(RMAppNodeUpdateType type, RMNode node) {
    NodeState nodeState = node.getState();
    updatedNodes.add(node);
    LOG.debug("Received node update event:" + type + " for node:" + node
        + " with state:" + nodeState);
  }
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      SingleArcTransition<JobImpl, JobEvent> {
    @Override
    public void transition(JobImpl job, JobEvent event) {
      JobUpdatedNodesEvent updateEvent = (JobUpdatedNodesEvent) event;
      for(NodeReport nr: updateEvent.getUpdatedNodes()) {
        NodeState nodeState = nr.getNodeState();
        if(nodeState.isUnusable()) {
          // act on the updates
          job.actOnUnusableNode(nr.getNodeId(), nodeState);
        }
      }
    }
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  public void handle(RMNodeEvent event) {
    LOG.debug("Processing " + event.getNodeId() + " of type " + event.getType());
    try {
      writeLock.lock();
      NodeState oldState = getState();
      try {
         stateMachine.doTransition(event.getType(), event);
      } catch (InvalidStateTransitonException e) {
        LOG.error("Can't handle this event at current state", e);
        LOG.error("Invalid event " + event.getType() +
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      // Inform the scheduler
      rmNode.nodeUpdateQueue.clear();
      // If the current state is NodeState.UNHEALTHY
      // 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(
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    handler.handle(new RMAppStartAttemptEvent(currentAttempt.getAppAttemptId(),
      transferStateFromPreviousAttempt));
  }

  private void processNodeUpdate(RMAppNodeUpdateType type, RMNode node) {
    NodeState nodeState = node.getState();
    updatedNodes.add(node);
    LOG.debug("Received node update event:" + type + " for node:" + node
        + " with state:" + nodeState);
  }
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          th(".vcores", "VCores Used").
          th(".vcores", "VCores Avail").
          th(".nodeManagerVersion", "Version").
          _()._().
          tbody();
      NodeState stateFilter = null;
      if(type != null && !type.isEmpty()) {
        stateFilter = NodeState.valueOf(type.toUpperCase());
      }
      Collection<RMNode> rmNodes = this.rmContext.getRMNodes().values();
      boolean isInactive = false;
      if (stateFilter != null) {
        switch (stateFilter) {
        case DECOMMISSIONED:
        case LOST:
        case REBOOTED:
          rmNodes = this.rmContext.getInactiveRMNodes().values();
          isInactive = true;
          break;
        }
      }
      for (RMNode ni : rmNodes) {
        if(stateFilter != null) {
          NodeState state = ni.getState();
          if(!stateFilter.equals(state)) {
            continue;
          }
        } else {
          // No filter. User is asking for all nodes. Make sure you skip the
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  public void handle(RMNodeEvent event) {
    LOG.debug("Processing " + event.getNodeId() + " of type " + event.getType());
    try {
      writeLock.lock();
      NodeState oldState = getState();
      try {
         stateMachine.doTransition(event.getType(), event);
      } catch (InvalidStateTransitonException e) {
        LOG.error("Can't handle this event at current state", e);
        LOG.error("Invalid event " + event.getType() +
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      // Inform the scheduler
      rmNode.nodeUpdateQueue.clear();
      // If the current state is NodeState.UNHEALTHY
      // 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(
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          updatedNodes));

      // act upon running tasks
      HashSet<NodeId> unusableNodes = new HashSet<NodeId>();
      for (NodeReport nr : updatedNodes) {
        NodeState nodeState = nr.getNodeState();
        if (nodeState.isUnusable()) {
          unusableNodes.add(nr.getNodeId());
        }
      }
      for (int i = 0; i < 2; ++i) {
        HashMap<TaskAttemptId, Container> taskSet = i == 0 ? assignedRequests.maps
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Related Classes of org.apache.hadoop.yarn.api.records.NodeState

  • org.apache.hadoop.mapreduce.v2.app.job.impl.JobImpl$UpdatedNodesTransition
  • org.apache.hadoop.mapreduce.v2.app.rm.RMContainerAllocator
  • org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppImpl
  • org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl
  • org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNodeImpl$DeactivateNodeTransition
  • org.apache.hadoop.yarn.server.resourcemanager.webapp.NodesPage$NodesBlock
  • org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWebServices
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