Ruby Forum Ruby on Rails > Problems with stale sessions and cached pages

I'm using Apache+Mongrel with Ruby 1.86 and Rails 1.2.3.  I'm using
auth_generator for user sessions, MySQL-based application sessions and
comatose for my content mgmt system.  Every now and again,
auth_generator gets confused with who's logged in and once in a
whilst, when someone updates an article using comatose, the page cache
isn't being flushed, even after forcing a page cache flush with the
provided comatose link to do just that.

Both of these problems are corrected by restarting the mongrel
cluster ... but I'm concerned that if/when the site starts to get busy
then I won't be able to keep restarting the mongrels without effecting
users activities.

Anyone experienced the same ? ... and what does one do about it ?.

Thanks in Advance,
Attila