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Sampling live activity

In an ideal world I would create load test scripts that I could scale up to simulate 100/1000/etc simultaneous users all bashing away at my website (ASP.Net website).

However, given that I don't occupy such a reality my next best alternative is to use 100 real users for my "simulation" :shock:

What I am imagining is that I could put Performance Profiler on my beta production server and leave it going for a day to collect a decent sample of usage.

I realise that the presence of the measuring will marginally (?) affect the performance but I think my users can live with that considering the benefit will inevitably be a much faster app later on.

Is what suggest possible/advisable ... what's RG's take on this.

p.s. It would be really quite handy if you had an article/case study type document on this.


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    Hi jasonglovernz, thanks for the post. I think what you proposed sounds like an good use-case for ANTS profiler. 100 users sounds about right- possibly a little on the high side but "who dares, wins" I believe in web site testing. :-)

    At Red-Gate we haven't done anything systematically in this respect as we haven't tended to see it as a live testing tool but I'd be happy for us to go in this direction - especially with our Memory profiler (as it has the least overhead of any of the competition by far).

    So, in summary: go for it but please throttle the users until is proved to be a good model.
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