>If I insert Transaction Controller and place all samples inside it, would
it help me to calculate the total load time?
It is the sum of individual times but it isnt necessarily equal to the load
time because
a. Browsers can download some resources in parallel. Jmeter thread will
download all resources serially.
b. Browser Cache for returning users - you can sort of simulate this with
JMeter with the cache manager , but its always an approximation
c. Render time is in addition to the time taken to fetch the resources.
DHTML applications with large page sizes may have significant values for
this.
However it might be useful as a rule of thumb / ballpark figure /
approximation so long as you know what this value is meant to represent.
Again for most performance tests you do not have to give a pin point
accurate value of response time. usually you just have to certify something
like 95% of the time shopping pages load in less than 5 seconds. You dont
need the kind of accuracy you seem to be looking for.

>Do you mean that Web server is separate from Application server? Where are
all jpeg and html pages stored? On >Web server or on Application Server?
Yes the webserver is separate and it serves all static resources. Hence I
rarely have to worry about static files downloads impacting my
application(my application server will crash long before the static files
will become a problem) - your application may be different .

regards
deepak

On Mon, Sep 13, 2010 at 10:55 AM, Prostak <[email protected]> wrote:

>
> Thanks, Sebb and Deepak, now I understand the logic Jmeter uses to send
> samples.
>
> Deepak wrote:
> >Correct, but you can always estimate this (and its simpler because you
> dont
> >have to run multiple tests to figure out new users/ returning users ,
> users
> >with cache, without cache , with IE configured as every visit for page etc
> >etc ).
>
> If I insert Transaction Controller and place all samples inside it, would
> it
> help me to calculate the total load time? (pls see picture attached).
> What does the time of this controller tell you (16889ms)?
>
> http://tinypic.com?ref=w1skth  http://i54.tinypic.com/w1skth.png
>
> >Again my views are colored due to the fact that there is almost
> >always a separate webserver compared to the application so that the load
> on
> >the webserver really has no bearing to the load on the main application
> >(besides network bandwidth).
>
> Do you mean that Web server is separate from Application server? Where are
> all jpeg and html pages stored? On Web server or on Application Server?
> --
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