1 files changed, 4 insertions, 0 deletions
diff --git a/synapse/app/generic_worker.py b/synapse/app/generic_worker.py
index 1a15ceee81..f730cdbd78 100644
--- a/synapse/app/generic_worker.py
+++ b/synapse/app/generic_worker.py
@@ -454,6 +454,10 @@ def start(config_options):
         config.server.update_user_directory = False
 
     synapse.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
 
     hs = GenericWorkerServer(
         config.server_name,