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Wednesday, January 18th, 2006

I finally figured out what is killing one of my servers at work. Every once in a while the server that runs the website would go apeshit and its load average would jump to around 30 (12 is considered critical (right now it's idling around 0.02)). It would do this for about 20 minutes and kill the MySQL and Apache services. Well it looks like the problem is related to SquirrelMail (a free webmail client) accessing very large mailboxes on an Exchange 2003 server. My mailbox has around 5000 items in it and when I tried accessing it with SM last night the server went nuts. I originally thought the problem was with MySQL (since it was one of the programs crashing and burning, but it looks like that was just collateral damage. It might be a problem with Apache's setup or just a bug in SM's software. Either way I've found the problem and removed the software. Go me!

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