anchor.diff:  -export([make_ring/2, 
            fill_ring/3,
            start_sync/0,
  +         db_stats/0,
            set_recon_method/1]).
   
   -export([test_upd/0,
  
positive.code: -type db_parameter() :: {ftype, failure_type()} |
                          {fprob, 0..100} |            %failure probability
                          {distribution, db_generator:distribution()}.
  
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  %% Eval Quick Start
  
negative.code:       end, 
        Nodes),
      ok.
  
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  
  -spec db_stats() -> ok.
  db_stats() ->
      DBSize = erlang:get(?DBSizeKey),
      Ring = statistics:get_ring_details(),
      Stored = statistics:get_total_load(Ring),
      io:format("Replica Status~nStored/Dest/Missing~n~p/~p/~p~n", 
                [Stored, DBSize, DBSize - Stored]),
      ok.
  
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  
  -spec set_recon_method(rep_upd_recon:method()) -> ok | {error, term()}.
  set_recon_method(Method) ->
  