Doubt Reg. OpenSTA..Performance Testing tool.. Kindly Clarify.

Hello All,

I want to do load and performance testing in my workplace "Intranet"... I was asked to find out the max. no of Users it supports.. (both simultaneous users and
Concurrent users).. Like say if the employees generate their payslip
from it at the same time and the max. no load it can withstand(login). ?
How do i analyse from the results and shud i modify any scripts.. How
do i proceed.. ?

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Permalink Reply by P. Panda on November 9, 2010 at 12:49pm

1. You have to find out the scenarios according to your requirement and prepare the SLA for sign-off.
2. According to your Scenario you have to record the script & enhanced the script.
3. According to your scenario prepare the scheduling and identify monitor systems.
4. Execute the schedule, observe Monitor and Analysis the result.

This is an high level steps for performance testing after this you have to break down each of the phases.

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Permalink Reply by Subramanian on November 9, 2010 at 2:39pm

Thanks for the reply. but how do i enhance the script ? well, these are the steps in OPenSTA i have done.
1. I recorded the browser activity and i saved the script. I have added the virtual users like 10,50,100 and so on and it generates various reports like HTTP Datalist, TimerList, Test Summary snapshots.. From this how do i analyse the result ? How do i Come to a conclusion that the max. no of load is reached and how do i know the Response Time. Kindly help me in layman's language as it would really help a lot for a beginners like me. :)

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Permalink Reply by Pooja Sharma on November 9, 2010 at 5:25pm

Hi,
According to me, the only way to test the limit is to do stress testing.
Like for example, you added about 10,50,100 virtual users, but everything worked normally. So try exceeding the users gradually until the system stop taking any more users or outputs some error. This way you'll get to know the max number of users supported.
Let me know if this doesn't make sense :)

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Permalink Reply by Subramanian on November 9, 2010 at 5:41pm

Do you mean this state .?
" Upto 5oo users its showing the results after which the task is not completing. I mean say like if i give 510 users it continues to run without giving any result"... so 510 is the max. Load it can withstand ? and could you explain the phrase"outputs some error" in your post ?

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Permalink Reply by Pooja Sharma on November 9, 2010 at 5:51pm

What kind of result was it giving upto 500 users? Is that a pass/fail result?
And by saying 'outputs some error' i mean the final/actual result not being as expected.

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Permalink Reply by Subramanian on November 9, 2010 at 6:04pm

Hey am a newbie.. How do i Know that its a pass/fail result.? Can I have your e-mail id. I just want to talk reg. the subject. Mine is subramanian.itpro10@gmail.com. It would be great if you could clear my doubts.