prosody
89f6b2a2bec3
plugins/muc/mod_muc.lua

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plugins/muc/mod_muc.lua @ 8926:89f6b2a2bec3

MUC: Measure cache hits and misses
author Kim Alvefur <zash@zash.se>
date Sat, 23 Jun 2018 18:59:21 +0200
parent 8925:d367aeb9c50f
child 8944:200ec7d38a0e
comparison
equal deleted inserted replaced
8925:d367aeb9c50f 8926:89f6b2a2bec3
133 end 133 end
134 134
135 local max_rooms = module:get_option_number("muc_max_rooms"); 135 local max_rooms = module:get_option_number("muc_max_rooms");
136 local max_live_rooms = module:get_option_number("muc_room_cache_size", 100); 136 local max_live_rooms = module:get_option_number("muc_room_cache_size", 100);
137 137
138 local room_hit = module:measure("room_hit", "rate");
139 local room_miss = module:measure("room_miss", "rate")
138 local room_eviction = module:measure("room_eviction", "rate"); 140 local room_eviction = module:measure("room_eviction", "rate");
139 local rooms = cache.new(max_rooms or max_live_rooms, function (jid, room) 141 local rooms = cache.new(max_rooms or max_live_rooms, function (jid, room)
140 if max_rooms then 142 if max_rooms then
141 module:log("info", "Room limit of %d reached, no new rooms allowed"); 143 module:log("info", "Room limit of %d reached, no new rooms allowed");
142 return false; 144 return false;
215 end 217 end
216 218
217 function get_room_from_jid(room_jid) 219 function get_room_from_jid(room_jid)
218 local room = rooms:get(room_jid); 220 local room = rooms:get(room_jid);
219 if room then 221 if room then
222 room_hit();
220 rooms:set(room_jid, room); -- bump to top; 223 rooms:set(room_jid, room); -- bump to top;
221 return room; 224 return room;
222 end 225 end
226 room_miss();
223 return restore_room(room_jid); 227 return restore_room(room_jid);
224 end 228 end
225 229
226 function create_room(room_jid, config) 230 function create_room(room_jid, config)
227 local exists = get_room_from_jid(room_jid); 231 local exists = get_room_from_jid(room_jid);