code: public static synchronized void loadClusterDefaults(InetSocketAddress address)
        throws AlluxioStatusException {
      AlluxioConfiguration conf = ConfigurationUtils.loadClusterDefaults(address, global());
      sConf = new InstancedConfiguration(conf.copyProperties(), conf.clusterDefaultsLoaded());
    }
docs: Loads cluster default values from the meta master.
  
  @param address the master address