anchor.diff:                       ?TBL_CLUSTER_INFO,  fun transform/1,
                        record_info(fields, ?CLUSTER_INFO),
                        ?CLUSTER_INFO),
  +    transform_2(),
       ok.
   
   
  
positive.code:                    num_of_rack_replicas = Level2,
                     max_mdc_targets = ?DEF_MAX_MDC_TARGETS
                    }.
  
negative.code:                         bit_of_ring = BitOfRing,
                          num_of_dc_replicas   = Level1,
                          num_of_rack_replicas = Level2}) ->
      #?CLUSTER_INFO{cluster_id = ClusterId,
                     dc_id = DCId,
                     n = N,
                     r = R,
                     w = W,
  