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From sebb <seb...@gmail.com>
Subject Re: If i do a manual execution by adding extended status bar to firefox
Date Sat, 01 Oct 2011 08:46:19 GMT
On 1 October 2011 06:07, sprasad <sprasad.sadu@gmail.com> wrote:
> I have calculated manually by adding up all the response times in 'Average'
> column and divided by number of labels, in my case that would
> 3920/7=560....if i divide it by 1000 to show it in seconds it would 0.56,
> but here the value is 0.66 which i got in aggregate report...

You cannot average averages buy adding them, unless each average
represents the same number of samples.

You have to multiply each average by the number of samples it
represents, add them all together, then divide by the total number of
samples.

> actually the table which i have given you is aggregate report of a simple
> login test script of my application, instead of the URL I have just given
> numbers. This Login has been run for 25 users - total 7 navigations
>
> One more thing you said last row value is not much useful ? then which value
> should we consider to say that, you know, this login is taking "this" amount
> of time for N number of users.??
>
> Is Min. and Max. values against the labels are the response time (in
> milliseconds) for that particular label/navigation - right ???

Yes.

> Thanks,
> Sd
>
>
>
>
>
> On Fri, Sep 30, 2011 at 10:25 PM, shettyd [via JMeter] <
> ml-node+s512774n4857796h86@n5.nabble.com> wrote:
>
>> how have you calculated it manually (the last row value is not much useful
>> anyway)?
>> If Request1  = 10 samples each 10 secs therefore avg =10 seconds
>> and request2 = 1 sample , 1 second therefore avg = 1 second
>> then overall average = (10*10 + 1*1)seconds/(10+1) samples.
>>
>>
>>
>> regards
>> deepak
>>
>>
>> On Thu, Sep 29, 2011 at 11:50 PM, sprasad <[hidden email]<http://user/SendEmail.jtp?type=node&node=4857796&i=0>>
>> wrote:
>>
>> > Hi Oliver,
>> >
>> > I have a small () question for you -
>> >
>> > I am running some tests and presenting the aggregate report - in this,
>> > Average Response Time, which is the second column in agg. report table is
>>
>> > the "average of set of response times", but the the value displayed in
>> the
>> > last row - Total - and under Average column is not matching up when i do
>> > the
>> > average of response times manually.
>> >
>> > For ex, have a look at the below table: I have taken Average in seconds.
>> > The
>> > Average *0.66* in the last row is not matching up when i do the average
>> of
>> > the response time manually. Also, Min and Max represent the min. response
>>
>> > time and max. response time for that particular label (navigation) -
>> right
>> > ?
>> >
>> >
>> > *Label*
>> >
>> > *Samples*
>> >
>> > *Average (s)*
>> >
>> > *Median*
>> >
>> > *90%Line*
>> >
>> > *Min*
>> >
>> > *Max*
>> >
>> > *Error%*
>> >
>> > *Throughput*
>> >
>> > *KB/Sec*
>> >
>> > URL
>> >
>> > 75
>> >
>> > 1.00
>> >
>> > 749
>> >
>> > 3019
>> >
>> > 27
>> >
>> > 6035
>> >
>> > 0
>> >
>> > 8.39
>> >
>> > 164.26
>> >
>> > 1
>> >
>> > 50
>> >
>> > 0.63
>> >
>> > 34
>> >
>> > 2978
>> >
>> > 20
>> >
>> > 6031
>> >
>> > 0
>> >
>> > 7.38
>> >
>> > 53.07
>> >
>> > Login Page
>> >
>> > 25
>> >
>> > 0.14
>> >
>> > 17
>> >
>> > 33
>> >
>> > 12
>> >
>> > 3009
>> >
>> > 0
>> >
>> > 3.74
>> >
>> > 25.02
>> >
>> > 2
>> >
>> > 25
>> >
>> > 0.13
>> >
>> > 9
>> >
>> > 16
>> >
>> > 7
>> >
>> > 2939
>> >
>> > 0
>> >
>> > 3.74
>> >
>> > 5.69
>> >
>> > 3
>> >
>> > 25
>> >
>> > 1.10
>> >
>> > 864
>> >
>> > 1120
>> >
>> > 306
>> >
>> > 4106
>> >
>> > 0
>> >
>> > 3.36
>> >
>> > 146.53
>> >
>> > 4 Home Page
>> >
>> > 25
>> >
>> > 0.87
>> >
>> > 957
>> >
>> > 1028
>> >
>> > 234
>> >
>> > 1038
>> >
>> > 0
>> >
>> > 2.78
>> >
>> > 121.36
>> >
>> > 5
>> >
>> > 25
>> >
>> > 0.05
>> >
>> > 52
>> >
>> > 59
>> >
>> > 30
>> >
>> > 77
>> >
>> > 0
>> >
>> > 2.86
>> >
>> > 7.46
>> >
>> > *TOTAL*
>> >
>> > *250*
>> >
>> > *0.66*
>> >
>> > *58*
>> >
>> > *2961*
>> >
>> > *7*
>> >
>> > *6035*
>> >
>> > *0*
>> >
>> > *24.94*
>> >
>> > *427.27*
>> >
>> >
>> > Please clear my doubts.
>> >
>> > Thanks,
>> > Sd
>> >
>> >
>> > On Sat, Aug 20, 2011 at 5:11 PM, Oliver Lloyd [via JMeter] <
>> > [hidden email] <http://user/SendEmail.jtp?type=node&node=4857796&i=1>>
>> wrote:
>> >
>> > > The problem here is you are trying to do something that is essentially
>> > not
>> > > possible and, crucially, not useful.
>> > >
>> > > JMeter is not a browser so it will never give you the exact same
>> response
>> > > times for rendering a page as you see in your browser. Indeed,
>> different
>> > > browsers themselves will give you different page load times so there's
>> > > really no point worrying about the difference.
>> > >
>> > > What you really need to do is work out your objectives - what are you
>> > > trying to do? What are your requirements for testing? You should
>> qualify
>> > in
>> > > verbal terms what you what to achieve and then prove the same using
>> your
>> > > tests. Then you should quantify these statements to create actual
>> targets
>> > to
>> > > aim for, giving you pass / fail criteria. Having objectives is
>> especially
>> > > important when thinking about 'rendering' the full page because this
>> > > experience is effected by multiple things and needs to be understood
>> and
>> > > planned for. For example, do you even want to simulate page resources?
>> > Are
>> > > you using a CDN? Are there any other types of caches that you need to
>> > take
>> > > account of when designing your load?
>> > >
>> > > Based on the requirements you then go away and design a test that meets
>>
>> > > them. If page rendering is in scope, if you want to validate the client
>>
>> > side
>> > > performance, then this is more of a functional activity - you cannot
>> use
>> > a
>> > > tool like JMeter to test this. In fact you don't need a 'tool' to do
>> this
>> > at
>> > > all, just a mouse and keyboard will suffice. Client side performance is
>>
>> > > crucial - there are lots of things to be considered and tuned for - but
>>
>> > it
>> > > is not really relevant in this forum.
>> > >
>> > > So, in short, page load times and server response are part of the same
>> > user
>> > > experience but need to be approached in different manners - this is an
>> > age
>> > > old principle of performance testing which is routinely misunderstood.
>> > >
>> > > If you can't get your head around this then these days you can solve
>> the
>> > > problem by paying an external company to run tests where each script
>> runs
>> > in
>> > > it's own browser (the Cloud makes this possible) or you can go down the
>>
>> > > hybrid path and use another (rather well known) load test tool that
>> gives
>> > > you GUI like scripts that almost run full browsers. If you don't have
>> the
>> > > budget for this then JMeter offers an excellent solution, however
>> without
>> > a
>> > > basic foundation knowledge of computing you're very unlikely to do a
>> good
>> > > job.
>> > >
>> > > ------------------------------
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>> > > below:
>> > >
>> > >
>> >
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>> status
>> > > bar to firefox, click here<
>> >
>> >.
>> > >
>> > >
>> >
>> >
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>>
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>
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