anchor.diff:  init([Partition]) ->
       {ok, #state{partition=Partition,
                   max_ts=0,
  -                seq=0,
  -                dreads_uid=dict:new(),
  -                dreads_counters=dict:new(),
  -                label_uid=dict:new(),
                   last_label=none,
  -                buffer=dict:new()}}.
  +                seq=0}}.
   
   %% @doc The table holding the prepared transactions is shared with concurrent
   %%      readers, so they can safely check if a key they are reading is being updated.
  
positive.code:     saturn_leaf_producer:partition_heartbeat(MyId, Partition, Clock, Seq1),
      riak_core_vnode:send_command_after(?HEARTBEAT_FREQ, {heartbeat, MyId}),
      {noreply, S0#state{myid=MyId, seq=Seq1}};
  
  handle_command(Message, _Sender, State) ->
      ?PRINT({unhandled_command, Message}),
  
negative.code:     ?BACKEND_CONNECTOR_FSM:start_link(read, {Key, From}),
      {noreply, S0};
  
  handle_command({update, Key, Value, Clock}, _From, S0=#state{max_ts=MaxTS0, seq=Seq0, partition=Partition}) ->
      PhysicalClock = saturn_utilities:now_microsec(),
      TimeStamp = max(Clock, max(PhysicalClock, MaxTS0)),
      Seq1=Seq0+1,
      ?BACKEND_CONNECTOR_FSM:start_link(update, {Key, Value, TimeStamp, Seq1}),
      {reply, {ok, TimeStamp}, S0#state{max_ts=TimeStamp, seq=Seq1, last_label={Key, TimeStamp, {Partition, node()}}}};
  
  handle_command({update_completed, Key, Value, TimeStamp, Seq}, _From, S0=#state{partition=Partition, myid=MyId}) ->
      Label = {Key, TimeStamp, {Partition, node()}},
  