public class LocalityRouterPolicy extends WeightedRandomRouterPolicy
Modifier and Type | Field and Description |
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static org.slf4j.Logger |
LOG |
Constructor and Description |
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LocalityRouterPolicy() |
Modifier and Type | Method and Description |
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SubClusterId |
getHomeSubcluster(org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext appSubmissionContext,
List<SubClusterId> blackListSubClusters)
Determines the sub-cluster that the user application submission should be
routed to.
|
void |
reinitialize(FederationPolicyInitializationContext policyContext)
This method is invoked to initialize of update the configuration of
policies.
|
validate, validate
getActiveSubclusters, getIsDirty, getPolicyContext, getPolicyInfo, setPolicyContext, setPolicyInfo
public void reinitialize(FederationPolicyInitializationContext policyContext) throws FederationPolicyInitializationException
ConfigurableFederationPolicy
reinitialize
in interface ConfigurableFederationPolicy
reinitialize
in class AbstractConfigurableFederationPolicy
policyContext
- 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
FederationRouterPolicy
getHomeSubcluster
in interface FederationRouterPolicy
getHomeSubcluster
in class WeightedRandomRouterPolicy
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.SubClusterId
that will be the "home" for this
application.org.apache.hadoop.yarn.exceptions.YarnException
- if the policy cannot determine a viable subcluster.Copyright © 2008–2021 Apache Software Foundation. All rights reserved.