Make LruCache register its own metrics (#8561)

rather than have everything that instantiates an LruCache manage metrics
separately, have LruCache do it itself.

1 files changed, 1 insertions, 3 deletions

diff --git a/synapse/api/auth.py b/synapse/api/auth.py

index 1071a0576e..eb6f418b13 100644
--- a/synapse/api/auth.py
+++ b/synapse/api/auth.py
@@ -34,7 +34,6 @@ from synapse.api.room_versions import KNOWN_ROOM_VERSIONS
 from synapse.events import EventBase
 from synapse.logging import opentracing as opentracing
 from synapse.types import StateMap, UserID
-from synapse.util.caches import register_cache
 from synapse.util.caches.lrucache import LruCache
 from synapse.util.metrics import Measure
 
@@ -70,8 +69,7 @@ class Auth:
         self.store = hs.get_datastore()
         self.state = hs.get_state_handler()
 
-        self.token_cache = LruCache(10000)
-        register_cache("cache", "token_cache", self.token_cache)
+        self.token_cache = LruCache(10000, "token_cache")
 
         self._auth_blocking = AuthBlocking(self.hs)