anchor.diff:  format_backend_list(List) -> format_backend_list(List, []).
   format_backend_list([], Acc) -> lists:reverse(Acc);
   format_backend_list([B|Bs], Acc) ->
  -    LastErrTime = if
  -    B#backend.lasterr_time -> B#backend.lasterr_time;
  -    true -> 62167219200
  -  end,
     {L1, L2} = case ?QSTORE:get_queue(?WAIT_DB, B#backend.app_name) of
       empty -> {[], []};
       E -> E
  
positive.code: get([]) ->
    format_proxy_state();
  
  % get("/status", _Data) ->
  %   StatusProplist = backend_srv:status(),
  %   Apps = proplists:get_value(apps, StatusProplist),
  %   _Hostnames = proplists:get_value(hostnames, StatusProplist),
  %   
  %   Content = lists:map(fun({Name, _App}) -> 
  %       {struct, 
  %         [{Name, misc_utils:to_bin(length([]))}]
  %       }
  %     end, Apps),
  %   
  %   ?LOG(info, "Apps: ~p", [Content]),
  %   {json, 200, [], {?MODULE, Content}};
    
  get(_UnsupportedPath) ->
    "GET".
  
  
negative.code:     {"host", B#backend.host},
      {"port", B#backend.port},
      {"status", B#backend.status},
      {"last_err_time", B#backend.lasterr_time},
      {"average_req_time", AvgTime},
      {"pending_requests", (length(L1) + length(L2))},
      {"total_requests", TotalReq},
  