I've turned off quick links for everybody, as I'm more and more certain that it's strategic combinations of old-time, non-forum-marking-read people hitting the index page that's causing our mysql to end up stacking up.
FYI/FWIW, I haven't seen any of the oddities since you made that change. Seems like a reasonable theory to me! Thanks.
I'll shed some light on this, at least from my perspective. I don't have an exactly clean past when it comes to computer systems I never did anything criminal as far as I know, but I would poke around systems and see what I could do.