public interface SubClusterResolver
extends org.apache.hadoop.conf.Configurable
| Modifier and Type | Method and Description | 
|---|---|
| SubClusterId | getSubClusterForNode(String nodename)Obtain the sub-cluster that a specified node belongs to. | 
| Set<SubClusterId> | getSubClustersForRack(String rackname)Obtain the sub-clusters that have nodes on a specified rack. | 
| void | load()Load the nodes to subCluster mapping from the file. | 
SubClusterId getSubClusterForNode(String nodename) throws org.apache.hadoop.yarn.exceptions.YarnException
nodename - the node whose sub-cluster is to be determinedSubClusterId that the
         node belongs toorg.apache.hadoop.yarn.exceptions.YarnException - if the node's sub-cluster cannot be resolvedSet<SubClusterId> getSubClustersForRack(String rackname) throws org.apache.hadoop.yarn.exceptions.YarnException
rackname - the name of the rackSubClusterId that
         have nodes on the given rackorg.apache.hadoop.yarn.exceptions.YarnException - if the sub-cluster of any node on the rack cannot be
           resolved, or if the rack name is not recognizedvoid load()
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