Actually, with a D5 / D6 site with aggressive caching and registration of members disabled, the load on the host is rather minimal. But such a mode could be interesting for an other application: backup. A site thus "hibernating" would not perform any data-modifying query. All insert/update/delete being frozen, including basic mechanisms like d5 watchdog/d6 dblog or accesslogs, a site could safely be backed up, which is not really the case currently. I explained it a bit on Larry Garfield's blog (http://www.garfieldtech.com/blog/drupal-7-database-plans#comment-369 ) ----- Original Message ----- From: "Greg Holsclaw" <Greg.Holsclaw@trouvemedia.com> To: <development@drupal.org> Sent: Tuesday, August 21, 2007 8:20 PM Subject: Re: [development] any work done/planned on Drupal "HIBERNATION"feature I would add one other item. * a way to turn off login except for the admin. This way you don't have to worry about member contributed content being added, without having to go to maintenance mode. [...]