1 files changed, 1 insertions, 0 deletions
diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py
index 6a823da10d..b2501ee4d7 100644
--- a/synapse/app/homeserver.py
+++ b/synapse/app/homeserver.py
@@ -341,6 +341,7 @@ def setup(config_options):
         sys.exit(0)
 
     events.USE_FROZEN_DICTS = config.use_frozen_dicts
+    synapse.util.caches.TRACK_MEMORY_USAGE = config.caches.track_memory_usage
 
     if config.server.gc_seconds:
         synapse.metrics.MIN_TIME_BETWEEN_GCS = config.server.gc_seconds