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From: "David Brown" <david@davidwbrown.name>
Subject: Re: Timers in JMeter
To: "JMeter Users List" <jmeter-user@jakarta.apache.org>
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Message-Id: <1216568354.8456@davidwbrown.name>
In-Reply-To: <1f97de60807200113j4d9f8bf8v1b546dd088ee5ad6@mail.gmail.com>
Date: Sun, 20 Jul 2008 10:39:14 -0500 (CDT)
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Hello Z W, This is of not comprehensive since the number implementation of Timers exceeds my ability I can only provide you
w/ the attached Test Plan jmx and a JPEG of the Table Visualizer Sampler of the recored data from the first 2 HTTP Requests
that have Child Timers attached to them. Run the Test Plan.jmx as provided and change and vary the Timers and the Samplers
to get a feel for how the Child elements, in this case: Timers, interact with their parent elements such as the: ThreadGroup.
I tried to attach a screen shot of my run of the Test Plan.jmx but the JMeter Qmail SMTPd would not allow the JPEG file size so you will have to run the attached JMX Test Plan to get the Table Visualizer numbers. HTH, David.


Z W wrote ..
> Hi David
> Thanks for sharing that doc but can you help answer my original 3
> questions since they require more specific answers, as related to
> timers. Examples using numbers to explain the contexts on how they are
> used would help me greatly. Other friends are also facing the same
> issues of not understanding the timers well and created a lot of
> confusion in discussion.
> 
> 2008/7/19 David Brown <david@davidwbrown.name>:
> > Hello Z W, please find attached a JMX file: Test Plan public.jmx. This file has
> several Samplers under a single ThreadGroup as a result of JMeter Proxy recording.
> This means all the HTTP Requests, which are Samplers, were recorded using HTTP
> Requests which are just Samplers. A few Listeners are thrown in to keep it interesting.
> I used this Test Plan at a job to compile numbers for the document deliverable
> to the Chevron IT dept. The compiled document explained why there server application
> issues were in need of serious attention. If you get to the point where you are
> prompted for the password it is running correctly. The password may be found in
> the HTTP Request Samplers. The PDF that I read to build this Test Plan is at:
> >
> > http://jakarta.apache.org/jmeter/usermanual/jmeter_proxy_step_by_step.pdf
> >
> > HTH, David.
> >
> > Z W wrote ..
> >> David
> >> Can you give a concrete example with numbers ?
> >>
> >> On Sat, Jul 19, 2008 at 12:48 PM, David Brown <david@davidwbrown.name> wrote:
> >> > Hello Z W, I'm no JMeter expert but if you study the GUI layout of a Jmeter
> TestPlan
> >> you will see that you add Samplers to ThreadGroups. So if you add 3 Samplers
> to
> >> one ThreadGroup you have 3 Samplers that can take on more attributes such as
> a
> >> Timer. HTH, David.
> >> >
> >> > Z W wrote ..
> >> >> Hi
> >> >>
> >> >> 1- I'm not sure how to use uniform random timer, its parameters Random
> >> >> Delay Maximum and Constant Delay Offset and how they relate to each
> >> >> other.
> >> >>
> >> >> 2- Also, how do these parameters (Random Delay Maximum and Constant
> >> >> Delay Offset ) affect the thread group ramp up time for 3 threads,
> >> >> ramp-up time 5 seconds and 3 loops.
> >> >>
> >> >> 3- I'm also confused with the term sampler and its grouping. With 3
> >> >> loops set, does that mean that I have 3 samplers ?
> >> >>
> >> >> I tried reading the user manual and I still don't quite get it.
> >> >>
> >> >> Looking to hear from you.
> >> >>
> >> >> Thanks.
> >> >>
> >> >> ---------------------------------------------------------------------
> >> >> To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> >> >> For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
> >> > Yet some, not wise, go to the other side of the globe, to barbarous and unhealthy
> >> regions, and devote ten or twenty years, in that they may live,-that is, keep
> comfortably
> >> warm,- and die in New England at last.
> >> >
> >> > Henry David Thoreau - Walden - 1845
> >> >
> >> >
> >> > ---------------------------------------------------------------------
> >> > To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> >> > For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
> >> >
> >> >
> >>
> >> ---------------------------------------------------------------------
> >> To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> >> For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
> > Yet some, not wise, go to the other side of the globe, to barbarous and unhealthy
> regions, and devote ten or twenty years, in that they may live,-that is, keep comfortably
> warm,- and die in New England at last.
> >
> > Henry David Thoreau - Walden - 1845
> >
> >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> > For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
> >
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: jmeter-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: jmeter-user-help@jakarta.apache.org
Yet some, not wise, go to the other side of the globe, to barbarous and unhealthy regions, and devote ten or twenty years, in that they may live,-that is, keep comfortably warm,- and die in New England at last. 

Henry David Thoreau - Walden - 1845


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