| Package | Description | 
|---|---|
| org.apache.hadoop.yarn.server.nodemanager.amrmproxy | |
| org.apache.hadoop.yarn.server.nodemanager.scheduler | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | DefaultRequestInterceptorExtends the AbstractRequestInterceptor class and provides an implementation
 that simply forwards the AM requests to the cluster resource manager. | 
| class  | FederationInterceptorExtends the AbstractRequestInterceptor and provides an implementation for
 federation of YARN RM and scaling an application across multiple YARN
 sub-clusters. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | DistributedSchedulerThe DistributedScheduler runs on the NodeManager and is modeled as an
  AMRMProxyrequest interceptor. | 
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