Sometimes apache goes crazy and eats all my memory and swap, but I don't know how to find out which web app is the causing it.
ps gives me this output for the process; "Uninterruptible sleep (usually IO)"
www-data 1526 0.1 78.9 14928852 3191628 ? D Oct17 6:45 /usr/sbin/apache2 -k start
I suspect Ruby+Redmine, but I want to be sure