Date: 23 Sep 2002 12:09:46 +1000 From: Duncan Anker <d.anker@au.darkbluesea.com> To: freebsd-questions@freebsd.org Subject: Locating performance bottlenecks Message-ID: <1032746986.20899.50.camel@duncan>
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I'm having problems with one of our web servers. Most of them run at around a load average of 1 or less with no problems. The troublesome one is hitting a load average of over 30 sometimes. The site is intensely interactive, uses a load of PHP and accesses a database. The database is located on another server so that probably isn't causing any problems directly. I suspect that the database is the bottleneck and Apache is being held up waiting for it - but I can't see where. What performance tools are available for locating bottlenecks? I don't want to spend a lot of time fine-tuning something that isn't the problem, but I'm at a loss to know where to start - Everything looks relatively normal in the standard tools. Thanks in advance, Duncan Anker To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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