anchor.diff:  handle_info(_, State) ->
       {ok, State}.
   
  -
   handle_exit(IO, normal, State = #state{io = IO}) ->
       {ok, State};
   
  
positive.code:         %% If we don't have a cache but our data is too big for the
          %% cache we happiely write it directly
          [] ->
              metric_io:write(IO, Bucket, Metric, Time, Value)
      end.
  
  
  
negative.code:          }).
  
  -define(MASTER, metric_vnode_master).
  -define(MAX_Q_LEN, 20).
  
  %% API
  start_vnode(I) ->
  