anchor.diff:  -export([handle_bucket_stats/3,
            handle_bucket_node_stats/4,
            handle_specific_stat_for_buckets/4,
  -         handle_specific_stat_for_buckets_group_per_node/4,
            handle_overview_stats/2,
            basic_stats/1,
            bucket_disk_usage/1,
  
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:                         | HKS ++ Ops]})
        end.
  
  %% Specific Stat URL grouped by nodes
  %% GET /pools/{PoolID}/buckets/{Id}/stats/{StatName}
  %%
  %% Req:ok({"application/json",
  %%         menelaus_util:server_header(),
  