anchor.diff:  
   -define(TRACE(X,Y), ok).
   %-define(TRACE(X,Y), io:format("lb_active: " ++ X, Y)).
  +
  +% debug expressions turned off
  +-define(DEBUG(E), ok).
   
   %% startup
   -export([start_link/1, check_config/0, is_enabled/0, check_gossip_modules/2]).
  
positive.code: %% received reply at the sliding/jumping node
  on({move, result, {_JumpOrSlide, OpId}, _Status}, {MyState, ModuleState} = State) ->
      ?TRACE("~p status with id ~p: ~p~n", [_JumpOrSlide, OpId, _Status]),
      case get_pending_op(MyState) of
          nil ->
              ?TRACE("Received answer but OpId ~p was not pending~n", [OpId]),
  
negative.code:                                         heavy_node = lb_info:get_node(HeavyNode),
                                          target = SplitKey,
                                          data_time = OldestDataTime},
                              ?DEBUG(lb_logger:report_op(Type, Metric)),
  
                              LBModule = pid_groups:get_my(?MODULE),
                              comm:send_local(LBModule, {balance_phase1, Op})
  