Seemingly out of nowhere (I didn't make any code changes or server changes), I've got dozens of ruby processes running my server into the ground:
alt text http://share.shpigford.com/images/ruby-20100930-142655.png
How can I track down what all of those processes are attached to?
Server is running Ubuntu 8.04.2 LTS (hardy) with Passenger and Apache 2 Red Hat Enterprise.