Date: Fri, 25 Feb 2000 19:11:28 -0800 (PST) From: wellsian <wellsian@caffeine.com> To: Alfred Perlstein <bright@wintelcom.net> Cc: Jerry Preeper <preeper@cts.com>, freebsd-questions@FreeBSD.ORG Subject: Re: load testing a web server and network connectivity Message-ID: <Pine.BSF.4.21.0002251848170.26356-100000@boris.netgate.net> In-Reply-To: <20000225175430.O21720@fw.wintelcom.net>
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The load simulators I've seen have their own set of web data or just hit things willy-nilly based on the hierarchy under a URL, which doesn't necessarily have anything to do with the traffic on my sites. They give you baseline numbers to compare with other baseline numbers, but only for your server, not your actual site. For years now I've wanted to write a programlet that would take actual logs from my sites and play them back with a curve of multiples, probably across several clients, logging response times across the curve. Seems simple enough if I'd make the time. Like everything else simple it's probably been done already. Several times. Has anyone seen a tool capable of this kind of "replay" testing? Dave On Fri, 25 Feb 2000, Alfred Perlstein wrote: > * Jerry Preeper <preeper@cts.com> [000225 17:47] wrote: > > I was wondering if anyone has run across a good tool to load test a web > > server and connectivity. I'd like to see how my web server stands up to a > > load of like 5x, 10x, 20x and 50x of what I get now. The two issues I > > probably need to test would be connectivity to the server and then server > > performance under load. I'm not sure how to go about simulating the > > connections that would probably also need to do things like run some of the > > perl programs, mysql accesses and such to have it be a fair test... Also, > > it would be nice if it could interpolate results to give an idea of where > > it would it would die or be dead for real purposes and show what the > > bottlenecks might be (ram, nic, etc..). Any ideas? > > The apache program comes with a program called 'ab' that allows you > bench requests against a server, the only problem is that it completely > blasts the @#$@#$ out of the server because it does requests as fast > as they are completed, you can limit the number of concurrant requests > though. You also can only specify one url, however you could script > several runs of the program hitting different images/cgis. > > Anyone know any others? > > -Alfred To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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