anchor.diff:  
   -spec send_rrd_metrics() -> ok.
   send_rrd_metrics() ->
  -    % Statistics in RRD (Load, Latency)
  -    RRDMetrics =
  -        case pid_groups:pid_of("clients_group", monitor) of
  -            failed -> [];
  -            ClientMonitor ->
  -                case monitor:get_rrds(ClientMonitor, [{api_tx, 'req_list'}]) of
  -                    [{_,_, undefined}] -> [];
  -                    [{_, _, RRD}] ->
  -                        case rrd:dump(RRD) of
  -                            [H | _] ->
  -                                {From_, To_, Value} = H,
  -                                Diff_in_s = timer:now_diff(To_, From_) div 1000000,
  -                                {Sum, _Sum2, Count, _Min, _Max, _Hist} = Value,
  -                                AvgPerS = Count / Diff_in_s,
  -                                Avg = Sum / Count,
  -                                [{both, "tx latency", "float", Avg, "ms"},
  -                                 {both, "transactions/s", "float", AvgPerS, "1/s"}];
  -                            _ -> []
  -                        end
  -                end
  -        end,
  -    gmetric(RRDMetrics).
  +    case pid_groups:pid_of("clients_group", monitor) of
  +        failed -> ok;
  +        ClientMonitor ->
  +            % Request statistics in RRD (Load, Latency)
  +            comm:send_local(ClientMonitor, {get_rrds, [{api_tx, 'req_list'}], comm:this()})
  +    end.
   
   -spec send_vivaldi_errors() -> ok.
   send_vivaldi_errors() ->
  
positive.code:         true ->
              State
      end;
  
  % @doc handler for messages from the vivaldi process
  %      reporting its confidence
  
negative.code:     send_vivaldi_errors(),
      set_last_active(NewState);
  
  % @doc aggregates load information from the dht nodes and
  %      and sends it out to ganglia if all nodes have replied
  on({ganglia_dht_load_aggregation, PID, AggId, Msg}, State) ->
      ?TRACE("~p: ~p~n", [AggId, Msg]),
      % all went well, we no longer need the failure detector
  