Just completed an update from version 4.7.8 to 4.7.9. We are now experiencing significant page load time increases. Performance loss on frontend and backend. Also increased load time for Kunena Forum because of JomSocial integrations.
As a process of elimination, we restored a pre-update version of the site and Jomsocial 4.7.8 works as expected on top of Joomla 3.10.0. Once the 4.7.9 update is applied, page load times increase again.
-k