diff --git a/metadata/service/server/single.yml b/metadata/service/server/single.yml
index 950074f..d761f56 100644
--- a/metadata/service/server/single.yml
+++ b/metadata/service/server/single.yml
@@ -40,3 +40,12 @@
             enabled: ${_param:openstack_fluentd_handler_enabled}
           ossyslog:
             enabled: ${_param:openstack_ossyslog_handler_enabled}
+      cache:
+        engine: memcached
+        expiration_time: 600
+        backend_argument:
+          memcached_expire_time:
+            value: 660
+        members:
+        - host: ${_param:single_address}
+          port: 11211