private static int getWarnScanResponseSize(Configuration conf) {
    return conf.getInt(WARN_SCAN_RESPONSE_SIZE, getWarnResponseSize(conf));
  }
Constructs a server listening on the named port and address.
@param server           hosting instance of {@link Server}. We will do authentications if an
                        instance else pass null for no authentication check.
@param name             Used keying this rpc servers' metrics and for naming the Listener
                        thread.
@param services         A list of services.
@param bindAddress      Where to listen
@param reservoirEnabled Enable ByteBufferPool or not.
hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/RpcServer.java