anchor.diff:                          | HKS ++ Ops]})
         end.
   
  -%% Specific Stat URL for all buckets
  +%% Specific Stat URL grouped by nodes
   %% GET /pools/{PoolID}/buckets/{Id}/stats/{StatName}
  -handle_specific_stat_for_buckets(PoolId, Id, StatName, Req) ->
  -    Params = Req:parse_qs(),
  -    case proplists:get_value("per_node", Params, "true") of
  -        undefined ->
  -            menelaus_util:reply(Req, 501);
  -        "true" ->
  -            handle_specific_stat_for_buckets_group_per_node(PoolId, Id, StatName, Req)
  -    end.
  -
  -%% Specific Stat URL grouped by nodes
  -%% GET /pools/{PoolID}/buckets/{Id}/stats/{StatName}?per_node=true
   %%
   %% Req:ok({"application/json",
   %%         menelaus_util:server_header(),
  
positive.code: %%     \"nodeStats\": [{\"127.0.0.1:9000\": [1,2,3,4,5]},
  %%                     {\"127.0.0.1:9001\": [1,2,3,4,5]}]
  %%   }">>}).
  handle_specific_stat_for_buckets_group_per_node(_PoolId, BucketName, StatName, Req) ->
      Params = Req:parse_qs(),
      menelaus_util:reply_json(
        Req,
  
negative.code: -export([handle_bucket_stats/3,
           handle_bucket_node_stats/4,
           handle_specific_stat_for_buckets/4,
           handle_overview_stats/2,
           basic_stats/1,
           bucket_disk_usage/1,
  