My b2evolution Version: Not Entered

I am having a big problem right now. My site has gone down twice because the CPU is getting nailed with insance SQL queries and I have no idea why. I have done everything I can think of and I can't figure out why. Has anyone had this happen before?

Can you think of any reason why this would be happening?

Any help would be greatly appreciated!

UPDATE - Nevermind we figured it out - all you gotta do is empty the hitlog and sessions log - WOW I love these support databases!

Thanks!