public class UniformRandomRouterPolicy extends AbstractRouterPolicy
WeightedRandomRouterPolicy.
 Behavior only diverges when there are active sub-clusters that are not part
 of the "weights", in which case the UniformRandomRouterPolicy send
 load to them, while WeightedRandomRouterPolicy does not.| Constructor and Description | 
|---|
| UniformRandomRouterPolicy() | 
| Modifier and Type | Method and Description | 
|---|---|
| SubClusterId | getHomeSubcluster(org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext appSubmissionContext,
                 List<SubClusterId> blackListSubClusters)Simply picks a random active subCluster to start the AM (this does NOT
 depend on the weights in the policy). | 
| void | reinitialize(FederationPolicyInitializationContext policyContext)This method is invoked to initialize of update the configuration of
 policies. | 
validate, validategetActiveSubclusters, getIsDirty, getPolicyContext, getPolicyInfo, setPolicyContext, setPolicyInfopublic void reinitialize(FederationPolicyInitializationContext policyContext) throws FederationPolicyInitializationException
ConfigurableFederationPolicyreinitialize in interface ConfigurableFederationPolicyreinitialize in class AbstractConfigurableFederationPolicypolicyContext - the new context to provide to implementor.FederationPolicyInitializationException - in case the initialization
           fails.public SubClusterId getHomeSubcluster(org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext appSubmissionContext, List<SubClusterId> blackListSubClusters) throws org.apache.hadoop.yarn.exceptions.YarnException
appSubmissionContext - the ApplicationSubmissionContext that
          has to be routed to an appropriate subCluster for execution.blackListSubClusters - the list of subClusters as identified by
          SubClusterId to blackList from the selection of the home
          subCluster.org.apache.hadoop.yarn.exceptions.YarnException - if there are no active subclusters.Copyright © 2008–2023 Apache Software Foundation. All rights reserved.