AW: Scaling the number of users instead of the hit rate

[Hohl, Gerrit]

Hello everyone,

is it possible that I also have to set the req_rate of the robots?

Robot robot = {
        [...]
        peak_rate = 6/min;
        [...]
};

If I do that and run the test the overall request rate is far more near to the values I would expect.

Regards
Gerrit

-----Ursprüngliche Nachricht-----
Von: users-bounces at web-polygraph.org [mailto:users-bounces at web-polygraph.org] Im Auftrag von Hohl, Gerrit
Gesendet: Donnerstag, 16. Februar 2012 12:19
An: users at web-polygraph.org
Betreff: AW: Scaling the number of users instead of the hit rate

Hello everyone,

okay, maybe I wrote a little bit too early that my formula is working.
The number of host and robots is correct. But something different is
odd: If I run a test with the configuration beneath, I would expect a request rate of 500/sec in sum. But I get a request of about 2000/sec at each of my two polygraph-servers, means about 4000/sec in total. What did I wrong? Is the peak_req_rate per robot? Or does the max_host_load have any influence on that? I thought it is only the maximum rate on which the simulated servers should respond. Should I lower it also to 500/sec? Or does it apply for each simulated server, or maybe for each polygraph-server? Or maybe there is a bug and it ignores 'min' and still thinks that is "6/sec"?

Bench theBench = {
        peak_req_rate = 500/sec;

        client_side = {
                max_host_load = 20000/sec;
                max_agent_load = 6/min;
                addr_space = ... ;
                hosts = ... ;
        };

        server_side = {
                max_host_load = client_side.max_host_load;
                max_agent_load = undef();
                addr_space = ... ;
                hosts = ... ;
        };
};

PolyMix4As asPolyMix4 = {
        agents_per_addr = 2;
};

Regards
Gerrit
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