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List:       jmeter-user
Subject:    RE: Definition of Sample as used in Graph Results
From:       "Nutsch, Bob D." <bnutsch () nd ! gov>
Date:       2011-04-25 14:43:52
Message-ID: 6050A49750B7834081422F5C253B6EDD0C56F35073 () ITDMBX2 ! nd ! gov
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Hello,

Thank you very much for your email, it's much appreciated!  I plan to try \
http://code.google.com/p/jmeter-plugins/wiki/TransactionsPerSecond, thanks for \
sending me that.

I'll use the Graph Results listener for now until I get a chance to try the other \
listener.  I am making multiple HTTP client requests within two separate thread \
groups, each looping 3 times, in my test.  When I graph the results I see something \
like 5000 milliseconds per request when the number of samples shows 1000 and there \
are 60 threads.  As time goes on I hit the maximum number of threads that I had set \
but the time per request continues to increases as does the number of samples.  

To map my results to the "real world" I'm thinking that if JMeter is showing 60 \
threads, 1000 samples, and 5000 milliseconds per request, JMeter is effectively \
emulating 60 people collectively and concurrently making 1000 HTTP requests per 5 \
seconds?  After a few moments, if JMeter is still showing 60 threads but now 1500 \
samples and 6000 milliseconds per request, that is an emulation of 60 users now \
making 1500 HTTP requests per 6 seconds?

Thanks for your time.

Regards, Bob



-----Original Message-----
From: apc [mailto:apc@apc.kg] 
Sent: Friday, April 22, 2011 3:06 AM
To: jmeter-user@jakarta.apache.org
Subject: Re: Definition of Sample as used in Graph Results

Hi!

"Sample" is the result of every Sampler, for example if you have HTTP Request, it \
will provide a Sample for each request it made.

Make note that Samples may be compound and contain a tree of sub-samples inside. Many \
Listeners (and maybe Graph Results) treat them as independent samples also.

Maybe this graph will be less confusing for you:
http://code.google.com/p/jmeter-plugins/wiki/TransactionsPerSecond

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