public class LocalityRouterPolicy extends WeightedRandomRouterPolicy
| Modifier and Type | Field and Description |
|---|---|
static org.slf4j.Logger |
LOG |
| Constructor and Description |
|---|
LocalityRouterPolicy() |
| Modifier and Type | Method and Description |
|---|---|
SubClusterId |
getHomeSubcluster(org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext appSubmissionContext,
List<SubClusterId> blackListSubClusters)
Simply picks from alphabetically-sorted active subclusters based on the
hash of query name.
|
void |
reinitialize(FederationPolicyInitializationContext policyContext)
This method is invoked to initialize of update the configuration of
policies.
|
chooseSubClustergetReservationHomeSubcluster, 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.public SubClusterId getHomeSubcluster(org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext appSubmissionContext, List<SubClusterId> blackListSubClusters) throws org.apache.hadoop.yarn.exceptions.YarnException
AbstractRouterPolicygetHomeSubcluster in interface FederationRouterPolicygetHomeSubcluster in class AbstractRouterPolicyappSubmissionContext - 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.SubClusterId that will be the "home"
for this application.org.apache.hadoop.yarn.exceptions.YarnException - if there are no active subclusters.Copyright © 2008–2024 Apache Software Foundation. All rights reserved.