code: def get_server_info(self):
          
          # NB: can't do it this way due to recursion
          # codec = self._get_codec(ttb_supported=False)
          codec = PbufCodec()
          msg = Msg(riak.pb.messages.MSG_CODE_GET_SERVER_INFO_REQ, None,
                    riak.pb.messages.MSG_CODE_GET_SERVER_INFO_RESP)
          resp_code, resp = self._request(msg, codec)
          return codec.decode_get_server_info(resp)
docs: Get information about the server