anchor.diff:  get_snapshot_time() ->
       Now = clocksi_vnode:now_microsec(dc_utilities:now()) - ?OLD_SS_MICROSEC,
       {ok, VecSnapshotTime} = ?DC_UTIL:get_stable_snapshot(),
  -    DcId = ?DC_UTIL:get_my_dc_id(),
  +    DcId = ?DC_META_UTIL:get_my_dc_id(),
       SnapshotTime = vectorclock:set_clock_of_dc(DcId, Now, VecSnapshotTime),
       {ok, SnapshotTime}.
   
  
positive.code: 
  -ifdef(TEST).
  -include_lib("eunit/include/eunit.hrl").
  -define(DC_UTIL, mock_partition_fsm).
  -define(VECTORCLOCK, mock_partition_fsm).
  -define(LOG_UTIL, mock_partition_fsm).
  
negative.code: -define(CLOCKSI_DOWNSTREAM, mock_partition_fsm).
  -define(LOGGING_VNODE, mock_partition_fsm).
  -else.
  -define(DC_META_UTIL, dc_meta_data_utilities).
  -define(DC_UTIL, dc_utilities).
  -define(VECTORCLOCK, vectorclock).
  -define(LOG_UTIL, log_utilities).
  -define(CLOCKSI_VNODE, clocksi_vnode).
  