anchor.diff:  
   all_local_hot_keys() ->
       gen_server:call(?MODULE, all_local_hot_keys).
  +
  +bucket_hot_keys(Bucket, Node) ->
  +    gen_server:call({?MODULE, Node}, {get_local_keys, Bucket}).
   
   %%--------------------------------------------------------------------
   %% @doc
  
positive.code: -behaviour(gen_server).
  
  %% API
  -export([start_link/0, bucket_hot_keys/1, all_local_hot_keys/0]).
  
  %% gen_server callbacks
  -export([init/1, handle_call/3, handle_cast/2, handle_info/2,
  
negative.code:     Reply = proplists:get_value(BucketName, State#state.bucket_hot_keys),
      {reply, Reply, State};
  handle_call(all_local_hot_keys, _From, State) ->
      {reply, State#state.local_hot_keys, State};
  handle_call({get_local_keys, BucketName}, _From, State) ->
      Reply = proplists:get_value(BucketName, State#state.local_hot_keys),
      {reply, Reply, State}.
  
  %%--------------------------------------------------------------------
  %% @private
  