Hello!

I try to do a performance test on a webapplication. Right now I try to find
out how man requests/sec
my application can handle for a given scenario, but I'm not sure of wich
counter I should use.
When I look at the ACT Average request per second I got one result and when
I look at the
performance monitor ASP.NET Apps v1.1.4322\Requests/Sec I got another result
(much lower).

My question is: What is the difference between the two counters and what
counter is the most appropriate
to look at?

Best Regards
//Niklas

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Niklas,

The first thing we need to get out of the way is the fact that the PerfMon
ASP.NET Requests/Second only count requests for .aspx files, while the ACT
requests per second counts not just ASP.NET.  So if your script requests
static content, such as GIFs, JPGs, .css, .js, .htc , etc; then the numbers
will differ.

Secondly, the ACT requests per second is based on the number of valid
responses it receives during a test run, divided out by the time in which
it received them.  ACT does not count re-directs, which sometimes causes
ACT RPS to be lower than RPS from the IIS perfmon objects.

One thing you can do to validate numbers is set up a test ro run for X
seconds. look in the IIS log to make sure the number of requests is the
same as what ACT reports and divide that by X seconds.

Does this answer your question?  Thank you for using Microsoft Newsgroups!

Andrés Naranjo [MSFT]
Microsoft DS Communities Team

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