diff --git a/metadata/service/server/cluster.yml b/metadata/service/server/cluster.yml
index 2df7e3d..7f88a51 100644
--- a/metadata/service/server/cluster.yml
+++ b/metadata/service/server/cluster.yml
@@ -40,3 +40,16 @@
             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:openstack_control_node01_address}
+          port: 11211
+        - host: ${_param:openstack_control_node02_address}
+          port: 11211
+        - host: ${_param:openstack_control_node03_address}
+          port: 11211