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 |
|---|---|
protected SubClusterId |
chooseSubCluster(String queue,
Map<SubClusterId,SubClusterInfo> preSelectSubclusters)
This method is implemented by the specific policy, and it is used to route
both reservations, and applications among a given set of
sub-clusters.
|
void |
reinitialize(FederationPolicyInitializationContext policyContext)
This method is invoked to initialize of update the configuration of
policies.
|
getHomeSubcluster, getReservationHomeSubcluster, prefilterSubClusters, 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.protected SubClusterId chooseSubCluster(String queue, Map<SubClusterId,SubClusterInfo> preSelectSubclusters) throws org.apache.hadoop.yarn.exceptions.YarnException
AbstractRouterPolicychooseSubCluster in class AbstractRouterPolicyqueue - the queue for this application/reservationpreSelectSubclusters - a pre-filter set of sub-clustersorg.apache.hadoop.yarn.exceptions.YarnException - if the policy fails to choose a sub-clusterCopyright © 2008–2024 Apache Software Foundation. All rights reserved.