@Override
public GetServerDefaultsResponseProto getServerDefaults(
RpcController controller, GetServerDefaultsRequestProto req)
throws ServiceException {
try {
FsServerDefaults result = server.getServerDefaults();
return GetServerDefaultsResponseProto.newBuilder()
.setServerDefaults(PBHelper.convert(result))
.build();
} catch (IOException e) {
throw new ServiceException(e);