From 910fc0f28f82ca7c719b5bbe98f4d3c2d0d76abf Mon Sep 17 00:00:00 2001
From: Erik Johnston <erik@matrix.org>
Date: Tue, 1 Mar 2016 12:56:39 +0000
Subject: Add enviroment variable SYNAPSE_CACHE_FACTOR, default it to 0.1

---
 synapse/handlers/presence.py | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'synapse/handlers/presence.py')

diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py
index 08e38cdd25..a5c363e390 100644
--- a/synapse/handlers/presence.py
+++ b/synapse/handlers/presence.py
@@ -130,6 +130,10 @@ class PresenceHandler(BaseHandler):
             for state in active_presence
         }
 
+        metrics.register_callback(
+            "user_to_current_state_size", lambda: len(self.user_to_current_state)
+        )
+
         now = self.clock.time_msec()
         for state in active_presence:
             self.wheel_timer.insert(
-- 
cgit 1.5.1