anchor.diff:        source_name = SrcVbDb,
         target_name = TgtURI,
         target = Target,
  -      src_master_db = SrcMasterDb,
         remote_vbopaque = RemoteVBOpaque,
         start_seq = StartSeq,
         current_through_seq = StartSeq,
  
positive.code: 
              %% allow another replicator to go
              State2 = replication_turn_is_done(State),
              couch_api_wrap:db_close(State2#rep_state.src_master_db),
              couch_api_wrap:db_close(State2#rep_state.target),
  
              update_work_time(State2),
  
negative.code:     %% check if we need do checkpointing, replicator will crash if checkpoint failure
      State1 = State#rep_state{
                 xmem_location = XMemLoc,
                 target = Target},
  
      {Succ, CkptErrReason, NewState} =
          case TimeSinceLastCkpt > IntervalSecs of
  