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From sebb <seb...@gmail.com>
Subject Re: Simulating QoS and Speed
Date Mon, 09 Mar 2009 16:37:13 GMT
On 09/03/2009, Noel O'Brien <nobrien@newbay.com> wrote:
> Hi All,
>
>  I've been asked to simulate real traffic for our system using JMeter in relation
>  to file uploads in terms of Quality of Service (approx 60%) and realistic
>  upload speeds.
>
>  Quality of Service seems reasonably possible with JMeter as its a matter of
>  structuring samplers under a number of random and/or throughput controllers.
>
>  Simulating realistic upload speeds seems much harder. I'm told that clients
>  will upload files to our server at approx 5 - 20 kbps, and to simaulte this
>  correctly, I'll need to throttle the connection the sampler makes, rather than
>  adding a delay timer. Is there a way to simulate this in JMeter? Nothing jumps
>  out at me and I don't recall seeing anything in the User Manual to achieve
>  this. Has anyone else had to deal with this situation? Does anyone have any
>  thoughts on how this could be achieved?
>

jmeter.properties:

# Define characters per second > 0 to emulate slow connections
#httpclient.socket.http.cps=0
#httpclient.socket.https.cps=0

Only works with HttpClient version of HTTP sampler.

>  Regards,
>
> Noel
>
>

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