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From "Mike Stover" <mstov...@apache.org>
Subject Re: How many threads from a single machine?
Date Wed, 10 Jul 2002 12:35:46 GMT
This sounds like more than one machine can handle, regardless.  Have you 
thought about using JMeter's distributed capabilities?  It allows you to run a JMeter 
GUI on one machine that can control multiple JMeter servers running on other 
machines.  

-Mike

On 10 Jul 2002 at 12:48, Scott Eade wrote:

> Thanks for all the replies - very helpful.
> 
> Here is a little more information about what I am proposing to do.
> 
> I need to test a site with something like 7,500 sessions being initiated per
> hour.  The sessions are going to be relatively long, say 15 minutes for
> 5,000 and over an hour for the remaining 2,500.  The shorter sessions will
> have a 45 second pause between each page request and the longer running
> sessions a combination of 30 second and 5 minute pauses.
> 
> As suggested by Michael and Olav I will keep an eye on the CPU usage of the
> machines running the test sessions to ensure I am not getting any adverse
> effects relating to the overloading of these machines.  At least a second
> machine running a smaller number of threads to monitor the relative response
> time is a good idea, thanks Michael.
> 
> We have decided to ignore network effects for our current testing by using
> machines connected to the same switch as the web server.
> 
> From the various comments received I am thinking that multiple client
> machines are going to be necessary.  The Remote Testing documentation
> appears to suggest that the jmeter testing engine would be running on the
> application server (I assume in my case this would be the web server), but
> wouldn't this be using resources that should be kept available for the
> application?  I assume remote testing can also support multiple testing
> engines that execute their scripts against a common application server - is
> this correct?  How would I go about combining the results from the testing
> executed on multiple clients - would it be a simple matter of merging the
> results files?  Has anyone tried this?
> 
> Thanks again,
> 
> Scott
> 
> > From: Scott Eade <seade@backstagetech.com.au>
> > Reply-To: "JMeter Users List" <jmeter-user@jakarta.apache.org>
> > Date: Tue, 09 Jul 2002 18:06:11 +1000
> > To: JMeter Users List <jmeter-user@jakarta.apache.org>
> > Subject: How many threads from a single machine?
> > 
> > Hi,
> > 
> > I am interested in obtaining some feedback as to the number of threads (test
> > sessions) I should expect to be able to execute from a single machine.
> > Obviously the intensity of the script and the type of machine used will have
> > a significant impact on this, so I guess some values obtained from
> > experience that include a little information about the scripts and the
> > machine configuration would be really helpful.
> > 
> > At the very worst, how about just some basic numbers so that I can get an
> > idea of the order of magnitude I should expect - i.e. 100, 1000, 2000?
> > 
> > Thanks,
> > 
> > Scott
> > 
> > 
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> > 
> 
> 
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--
Michael Stover
mstover1@apache.org
Yahoo IM: mstover_ya
ICQ: 152975688

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