| Package | Description | 
|---|---|
| org.apache.hadoop.hdfs.server.federation.router | The router package includes the core services for a HDFS federation router. | 
| Modifier and Type | Method and Description | 
|---|---|
| <T extends RemoteLocationContext,R> | RouterRpcClient. invokeConcurrent(Collection<T> locations,
                RemoteMethod method,
                boolean standby,
                long timeOutMs,
                Class<R> clazz)Invokes multiple concurrent proxy calls to different clients. | 
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