ruudkok

Don’t keep logging in to your WordPress admin panel over and over again. Install this plugin to remain logged in to your blog for up to a year (unless you log out manually).

WP Keep Me Logged In

This plugin will increase the session time of your WordPress login cookie to 1 year. That way you won't have to login over and over again.

stefanocanziani

Add handling of user session inside SQL Database. This session manager is useful if you have an environment with more than one frontend server and a load balancer who switch the web traffic dinamically between frontend hosts. 
Mysqli extension required.

WP Database Session Handler

Add handling of user session inside SQL Database. This session manager is useful if you have an environment with more than one frontend server and a l …

WP Keep Me Logged In vs WP Database Session Handler