anchor.diff:  
   -spec getIndexedRingRendered() -> html_type().
   getIndexedRingRendered() ->
  -    RealRing = statistics:get_ring_details(),
  +    RealRing = get_and_cache_ring(),
       % table with mapping node_id -> index
       _ = ets:new(webhelpers_indexed_ring, [ordered_set, private, named_table]),
       _ = [begin
  
positive.code: -include("scalaris.hrl").
  
  -export([getRingChart/0, getRingRendered/0, getIndexedRingRendered/0,
           getGossipRendered/0, getVivaldiMap/0,
           lookup/1, set_key/2, delete_key/2, isPost/1]).
  
  
negative.code: 
  -spec getRingRendered() -> html_type().
  getRingRendered() ->
      RealRing = get_and_cache_ring(),
      Ring = [X || X = {ok, _} <- RealRing],
      RingSize = length(Ring),
      if
  