Java Code Examples for org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerNode#updateLabels()

The following examples show how to use org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerNode#updateLabels() . 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: CapacityScheduler.java    From hadoop with Apache License 2.0 5 votes vote down vote up 
/**
 * Process node labels update on a node.
 * 
 * TODO: Currently capacity scheduler will kill containers on a node when
 * labels on the node changed. It is a simply solution to ensure guaranteed
 * capacity on labels of queues. When YARN-2498 completed, we can let
 * preemption policy to decide if such containers need to be killed or just
 * keep them running.
 */
private synchronized void updateLabelsOnNode(NodeId nodeId,
    Set<String> newLabels) {
  FiCaSchedulerNode node = nodes.get(nodeId);
  if (null == node) {
    return;
  }
  
  // labels is same, we don't need do update
  if (node.getLabels().size() == newLabels.size()
      && node.getLabels().containsAll(newLabels)) {
    return;
  }
  
  // Kill running containers since label is changed
  for (RMContainer rmContainer : node.getRunningContainers()) {
    ContainerId containerId = rmContainer.getContainerId();
    completedContainer(rmContainer, 
        ContainerStatus.newInstance(containerId,
            ContainerState.COMPLETE, 
            String.format(
                "Container=%s killed since labels on the node=%s changed",
                containerId.toString(), nodeId.toString()),
            ContainerExitStatus.KILLED_BY_RESOURCEMANAGER),
        RMContainerEventType.KILL);
  }
  
  // Unreserve container on this node
  RMContainer reservedContainer = node.getReservedContainer();
  if (null != reservedContainer) {
    dropContainerReservation(reservedContainer);
  }
  
  // Update node labels after we've done this
  node.updateLabels(newLabels);
}
Example 2
Source File: CapacityScheduler.java    From big-c with Apache License 2.0 5 votes vote down vote up 
/**
 * Process node labels update on a node.
 * 
 * TODO: Currently capacity scheduler will kill containers on a node when
 * labels on the node changed. It is a simply solution to ensure guaranteed
 * capacity on labels of queues. When YARN-2498 completed, we can let
 * preemption policy to decide if such containers need to be killed or just
 * keep them running.
 */
private synchronized void updateLabelsOnNode(NodeId nodeId,
    Set<String> newLabels) {
  FiCaSchedulerNode node = nodes.get(nodeId);
  if (null == node) {
    return;
  }
  
  // labels is same, we don't need do update
  if (node.getLabels().size() == newLabels.size()
      && node.getLabels().containsAll(newLabels)) {
    return;
  }
  
  // Kill running containers since label is changed
  for (RMContainer rmContainer : node.getRunningContainers()) {
    ContainerId containerId = rmContainer.getContainerId();
    completedContainer(rmContainer, 
        ContainerStatus.newInstance(containerId,
            ContainerState.COMPLETE, 
            String.format(
                "Container=%s killed since labels on the node=%s changed",
                containerId.toString(), nodeId.toString()),
            ContainerExitStatus.KILLED_BY_RESOURCEMANAGER),
        RMContainerEventType.KILL);
  }
  
  // Unreserve container on this node
  RMContainer reservedContainer = node.getReservedContainer();
  if (null != reservedContainer) {
    dropContainerReservation(reservedContainer);
  }
  
  // Update node labels after we've done this
  node.updateLabels(newLabels);
}