Any simple tool to simulate server load?

I have an IIS server to test for load. But I don't need the tool to give me any performance data. I only want a simple tool/script that would flood m开发者_如何学运维y server with requests.

I know about wcat, Jmeter, httperf etc. but those have too many extra features. I don't want all that functionality. Just a simple script would do that would send, say, 100 requests/s. I know this kind of thing is easily done in perl but i don't know perl. Can someone help me out? Just to flood requests, don't even wait for response.

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The ab apachebench program is well-suited for generating a huge amount of nearly useless requests.

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For IIS you should try the Web Capacity Analysis Tool.

Edit: sorry, didn't notice WCAT in your question. If you just want to hit a server with a lot of requests you can use just about any scripting language.

I don't know much Perl either, but this page nicely explains how to fetch a URL - just put that code in a loop and you're set.

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Does it have to be free? You can run up to 50 users with http://loadimpact.com