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<  Open Telecom Platform (OTP)  ~  genserver load testing
louallen
Posted: Tue Oct 20, 2009 3:34 am Reply with quote
Joined: 20 Oct 2009 Posts: 3
Hello everyone,

First time posting here. Sorry if this has been asked before but I couldn't find it using the google search here.

What I wanted to ask is what program do you use to load test gen servers. I know that eunit is for unit testing but I need to see the max load the gen servers can handle. I currently use Tsung to load test webmachine but sadly, I do not think I can use it for genservers. What do you people use?
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francesca
Posted: Wed Oct 21, 2009 10:20 am Reply with quote
Joined: 19 Jun 2007 Posts: 1
louallen wrote:
I currently use Tsung to load test webmachine but sadly, I do not think I can use it for genservers. What do you people use?


We didn't use any existing tool. We wrote a loader application that reads a xml file where we configured number of users, duration of the test, scenarios to run (with their weight)...
The application simulates load by spawning a process for each user and then executing the configured scenario. Some of the scenario instructions are forwarded to a separate application that implements specific code to run.

I don't know what you want to test, but probably you can implement something simple as spawning several processes that make calls/casts to the gen_server and just check its message queue. As long as the queue doesn't build up the gen_server can handle the load.
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louallen
Posted: Thu Oct 22, 2009 2:31 am Reply with quote
Joined: 20 Oct 2009 Posts: 3
Ah, thanks for that information. I think that is the perfect answer to what I was looking for. Very Happy

Thanks,
Lou
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