diff --git a/panko/server/cluster.yml b/panko/server/cluster.yml
index e277c30..d641f36 100644
--- a/panko/server/cluster.yml
+++ b/panko/server/cluster.yml
@@ -9,9 +9,12 @@
     panko_memcached_node01_address: ${_param:cluster_node01_address}
     panko_memcached_node02_address: ${_param:cluster_node02_address}
     panko_memcached_node03_address: ${_param:cluster_node03_address}
+    # Keep events in database for 30 days
+    panko_event_time_to_live: 2592000
   panko:
     server:
       role: ${_param:openstack_node_role}
+      event_time_to_live: ${_param:panko_event_time_to_live}
       identity:
         host: ${_param:openstack_control_address}
       database:
@@ -24,4 +27,9 @@
         - host: ${_param:panko_memcached_node02_address}
           port: 11211
         - host: ${_param:panko_memcached_node03_address}
-          port: 11211
\ No newline at end of file
+          port: 11211
+      # Check for expired events every day at 2 AM
+      expirer:
+        cron:
+          minute: 0
+          hour: 2
\ No newline at end of file