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From Steve Eckhart <>
Subject RE: Uneven Sampler execution
Date Thu, 16 Dec 2010 20:10:27 GMT

Can you provide more detail about your test plan? From

"Interactions between multiple controllers can yield complex behavior. This is particularly
true of the Random Controller. Experiment before you assume what results any given interaction
will give."


Steve Eckhart
Lead Quality Assurance Analyst

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-----Original Message-----
From: Chris Cameron [] 
Sent: Wednesday, December 15, 2010 6:01 PM
Subject: Uneven Sampler execution

I have 10 JDBC Request samplers under a Random Controller. When I run
my test (20 threads, 50 loops for example), I have 5 Samplers that
stop at 20 requests, 4 that stop at 100 requests, and one that does
500 requests before the run is over. This, exactly, is my problem.

Additionally, each of these 10 JDBC Requests get parameters from 8 CSV
Data config elements and 1 Random Variable element. Some of the JDBC
Requests share variables from one CSV file.

In my Aggregate Graph listener, it shows 0 errors for all JDBC
Requests. I've enabled each JDBC Request one by one, and verified that
the parameters are being set, and correct data is being returned. My
jmeter.log shows no errors and for the most part looks normal.

What could be causing these samplers to not be run in even
"randomness", as I would expected?

If you read through that, you have my sincere thanks.


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