--- a/etc/ceilometer/ceilometer.conf.sample
+++ b/etc/ceilometer/ceilometer.conf.sample
@@ -262,7 +262,7 @@
 
 ######## defined in ceilometer.storage ########
 
-# database_connection=mongodb://localhost:27017/ceilometer
+database_connection=sqlite:////var/lib/ceilometer/ceilometer.sqlite
 #### (StrOpt) Database connection string