anchor.diff:  handle_command({pvc_unsafe_set_clock, Seq, MRVC}, _Sender, State = #state{partition=Partition, pvc_atomic_state=PVCState}) ->
       true = ets:insert(PVCState, [{seq_number, Seq}, {mrvc, MRVC}]),
       ok = logging_vnode:pvc_insert_to_commit_log(Partition, MRVC),
  -    {reply, ok, State#state{pvc_key_hit_miss_default=Seq}};
  +    {reply, ok, State#state{pvc_key_miss_default_version=Seq}};
   
   %% @doc Start PVC-only read replicas
   handle_command(start_pvc_servers, _From, SD0=#state{partition=Partition, read_servers=Num, pvc_dequeue_timer=undefined}) ->
  
positive.code:     committed_tx = CommittedTransactions,
  
      pvc_atomic_state = PVCState,
      pvc_key_hit_miss_default = KeyHitDefault,
      pvc_commitqueue = CommitQueue
  }) ->
  
  
negative.code:     prepared_dict :: orddict:orddict(),
  
      pvc_atomic_state :: cache_id(),
      %% The default VLog.last(key).vid[partition],
      %% useful for emulating database load.
      %% Tells the client what is the most recent version of a key.
      pvc_key_miss_default_version :: non_neg_integer(),
      pvc_commitqueue :: pvc_commit_queue:cqueue(),
      %% A set populated with all the keys currently present in the commit queue
      %% mapping key() => tx_id(), Cleaned on marking a transaction as aborted,
      %% or when it gets dequeued.
      pvc_pending_keys :: cache_id(),
  
      %% Timer reference for periodic dequeue
  