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I am looking for a free web server stress testing application/tool/website. I have used Paessler Webstress, it is good enough, but only free with restricted functionality.

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closed as off topic by Al E., Eight Days of Malaise, ChrisF Aug 14 '12 at 19:52

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Wouldn't it be nearly impossible to have a web application based around this? Just from my understanding of how these programs work - don't they install on your server and monitor things on these? (ie isn't the requirement that something reside on your server to monitor?) – Wil Aug 9 '10 at 11:33
This is probably better asked at ServerFault.com. – Al E. Aug 9 '10 at 12:21
@Al Everett thank you for support :) – igor Aug 10 '10 at 8:44
up vote 2 down vote accepted

Have you looked at Apache JMeter? It is software.

I am not aware of any legal stress testing tools such as a web-app, though if you are desperate, you can try renting those spambots machines (joking).

There are a couple of services that do single/double retrieval with detailed statistics. This might be useful to do while you are using JMeter to simulate the rest of the load. See, for example, WebPageTest.

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+1 thanks, good joke (I will think about it...joke) – igor Aug 10 '10 at 7:37
Yes, Apache JMeter is perfect. I had used it extensively in last 3 months. Here are some good posts to get you started on Apache JMeter. – vinay Aug 10 '10 at 20:05

As for me, I prefer LoadImpact.

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+1 will try, thanks! – igor Aug 10 '10 at 7:37

Badboy is an application I have used in the past to do some load testing, Its a bit complicated but extremely powerful.

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+1 it seems as a good tool. i will investigate it. thank you! – igor Aug 11 '10 at 12:05
While Badboy offers some elementary load testing features, to do real stress testing you often need much more. Rather than trying to offer all of the features of a complete load testing product, Badboy integrates with a free, open source product called JMeter. JMeter is run by the Apache Software Foundation and is free and open source. – igor Aug 13 '10 at 6:41

If you have a *nix box, Apache Benchmark tool (ab) is likely to be already installed. See Apache Benchmark Docs

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