31 lines
1.2 KiB
Erlang
31 lines
1.2 KiB
Erlang
%%--------------------------------------------------------------------
|
|
%% Copyright (c) 2021 EMQ Technologies Co., Ltd. All Rights Reserved.
|
|
%%
|
|
%% Licensed under the Apache License, Version 2.0 (the "License");
|
|
%% you may not use this file except in compliance with the License.
|
|
%% You may obtain a copy of the License at
|
|
%%
|
|
%% http://www.apache.org/licenses/LICENSE-2.0
|
|
%%
|
|
%% Unless required by applicable law or agreed to in writing, software
|
|
%% distributed under the License is distributed on an "AS IS" BASIS,
|
|
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
%% See the License for the specific language governing permissions and
|
|
%% limitations under the License.
|
|
%%--------------------------------------------------------------------
|
|
|
|
-define(TOPK_TAB, emqx_slow_subs_topk).
|
|
|
|
-define(INDEX(Latency, ClientId), {Latency, ClientId}).
|
|
|
|
-define(MAX_TAB_SIZE, 1000).
|
|
|
|
-record(top_k, { index :: index()
|
|
, type :: emqx_message_latency_stats:latency_type()
|
|
, last_update_time :: pos_integer()
|
|
, extra = []
|
|
}).
|
|
|
|
-type top_k() :: #top_k{}.
|
|
-type index() :: ?INDEX(non_neg_integer(), emqx_types:clientid()).
|