| Package | Description | 
|---|---|
| org.apache.hadoop.registry.client.impl | Registry client services | 
| org.apache.hadoop.registry.client.impl.zk | Core Zookeeper support. | 
| org.apache.hadoop.registry.server.services | Basic services for the YARN registry
 
   
     The  RegistryAdminServiceextends the shared YARN Registry client with registry setup and
     (potentially asynchronous) administrative actions. | 
| org.apache.hadoop.yarn.client.api | |
| org.apache.hadoop.yarn.client.api.impl | |
| org.apache.hadoop.yarn.service.client | Package org.apache.hadoop.yarn.service.client contains classes
 for YARN Services Client API. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | RegistryOperationsClientThis is the client service for applications to work with the registry. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | org.apache.hadoop.registry.client.impl.zk.CuratorServiceThis service binds to Zookeeper via Apache Curator. | 
| class  | RegistryOperationsServiceThe Registry operations service. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AddingCompositeServiceComposite service that exports the add/remove methods. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AppAdminClientClient for managing applications. | 
| class  | TimelineClientA client library that can be used to post some information in terms of a
 number of conceptual entities. | 
| class  | TimelineReaderClientA client library that can be used to get Timeline Entities associated with
 application, application attempt or containers. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | TimelineReaderClientImplImplementation of TimelineReaderClient interface. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | ServiceClient | 
Copyright © 2025 Apache Software Foundation. All rights reserved.