/// <summary>Process resource update on a node.</summary>
public virtual void UpdateNodeResource(RMNode nm, ResourceOption resourceOption)
{
lock (this)
{
SchedulerNode node = GetSchedulerNode(nm.GetNodeID());
Org.Apache.Hadoop.Yarn.Api.Records.Resource newResource = resourceOption.GetResource
();
Org.Apache.Hadoop.Yarn.Api.Records.Resource oldResource = node.GetTotalResource();
if (!oldResource.Equals(newResource))
{
// Log resource change
Log.Info("Update resource on node: " + node.GetNodeName() + " from: " + oldResource
+ ", to: " + newResource);
Sharpen.Collections.Remove(nodes, nm.GetNodeID());
UpdateMaximumAllocation(node, false);
// update resource to node
node.SetTotalResource(newResource);
nodes[nm.GetNodeID()] = (N)node;
UpdateMaximumAllocation(node, true);
// update resource to clusterResource
Resources.SubtractFrom(clusterResource, oldResource);
Resources.AddTo(clusterResource, newResource);
}
else
{
// Log resource change
Log.Warn("Update resource on node: " + node.GetNodeName() + " with the same resource: "
+ newResource);
}
}
}
