diff --git a/metadata/service/server/single.yml b/metadata/service/server/single.yml
index a2a73e4..1099077 100644
--- a/metadata/service/server/single.yml
+++ b/metadata/service/server/single.yml
@@ -54,6 +54,11 @@
         password: ${_param:rabbitmq_openstack_password}
         virtual_host: '/openstack'
       cache:
+        engine: memcached
+        expiration_time: 600
+        backend_argument:
+          memcached_expire_time:
+            value: 660
         members:
         - host: ${_param:single_address}
           port: 11211