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Load/stress testing

Former Member
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98

Hi,

We are planning to do load testing using LoadRunner for our newly implemented portal since there are performance issues. Please provide info related to the same if any of you have done it before and have the approach for the same. Also I found that SAP recommends LoadRunner and I have been coming across HP LoadRunner and Mercury LoadRunner on net. Are these different?

Any pointers related to this would be quite useful.

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Former Member
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Veena,

HP bought Mercury, therefore it is now called HP LoadRunner.

We ran several different scenarios of load testing on our EP 7.0 instance before we went live.

One scenario involved running a script in which a user logs into the Portal, accesses the home page, and then logged off. We set that this script should not take no more than 10 seconds to complete. We then ran this scenario with different numbers of concurrent users (5, 10, 50, 100+) until we determined the maximum concurrent usage the EP system would tolerate while staying below the 10 second threshold. This told us if we needed more CPU and/or memory to reach our estimated concurrent usage.

Another scenarios involved running a script in which the user logs in, accesses the home, but does not log off. This is a more accurate behavior as most users close their browser without clicking the logoff link. We ran this script in a step-wise fashion, adding 10 new users every 5 minutes until we reached capacity. This told us our maximum logged-on user count. It also told us if we needed more memory or whether we needed to decrease the session timeout.

We also ran combinations of both, but this did not tell us any more.

- Andrew Castillo

Former Member
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Hi Andrew,

Thanks a lot for your response. Could you please let me know if there's a document or blog explaining the steps involved in setting up LoadRunner and writing scripts for LoadRunner to test enterprise portal.

Pls note: I have allocated the points for you!

Former Member
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Veena,

We had to write our own scripts. Due to the uniqueness of each system, you would have to rewrite any provided scripts anyway.

As for any blogs about load testing on EP, I could not find anything.

Andrew