I use foreman in cluster mode with two nodes, foreman1.mydomain.com and foreman2.mydomain.com
foreman_url and unattended_url settings are set to http(s)://foreman.mydomain.com, wich is load balanced to foreman1.mydomain.com and foreman2.mydomain.com servers.
In the audit page, every 30 mn entries are created for updated settings unattended_url and foreman_url :
Default http://foreman1.mydomain.com http://foreman2.mydomain.com
Default http://foreman2.mydomain.com http://foreman1.mydomain.com
etc ...
Audits page in foreman take minutes to load, have to manually clear these entries from non stop growing database.