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From Ganesh Muralidhar <ganeshmuralid...@gmail.com>
Subject Re: Load Test with embedded resources chokes CPU
Date Sat, 21 Oct 2017 02:19:53 GMT
Few http and few Https

On Saturday, October 21, 2017, Philippe Mouawad <philippe.mouawad@gmail.com>
wrote:

> Was you me test using https ?
>
>
>
> On Friday, October 20, 2017, Ganesh Muralidhar <ganeshmuralidhar@gmail.com
> <javascript:;>>
> wrote:
>
> > Our network switch is nothing less than 1GB and the testing is happening
> > internal to the network. So no chance of network contention here.
> >
> > Secondly, after updating the JMeter version to 3.3 the CPU contention
> seems
> > not to be appearing again. Also, as Antonio mentioned, the below
> mentioned
> > bug fix sorted this.
> >
> > https://bz.apache.org/bugzilla/show_bug.cgi?id=59885
> >
> > On Fri, Oct 20, 2017 at 9:42 PM, <rwilson2@gmail.com <javascript:;>
> <javascript:;>>
> > wrote:
> >
> > > Are you sure it's just CPU? It may be bandwidth for the network device
> > > that is constrained - and the CPU is trying to figure out where to put
> > all
> > > the packets.
> > >
> > > Keep in mind, images (especially) are a lot of bytes worth of data. If
> > > your HTML is 10K, but you download a relatively small banner image -
> that
> > > can be 100K of additional data (e.g., more than 10X the workload). Of
> > > course that’s a lot more work for the system. A typical web page will
> > have
> > > 10-20KB of "skeleton" framework, but could have several megabytes of
> > images
> > > and non-HTML files. A multimedia page could have several times more of
> > that
> > > if you include streaming resources like movies or sounds.
> > >
> > > --
> > > Robin D. Wilson
> > > Cell: 512-426-3929
> > >
> > >
> > > -----Original Message-----
> > > From: Antonio Gomes Rodrigues [mailto:ra0077@gmail.com <javascript:;>
> <javascript:;>]
> > > Sent: Oct 20, 2017 2:39 A
> > > To: JMeter Users List <user@jmeter.apache.org <javascript:;>
> <javascript:;>>
> > > Cc: ganeshmuralidhar@gmail.com <javascript:;> <javascript:;>
> > > Subject: Re: Load Test with embedded resources chokes CPU
> > >
> > > Hi,
> > >
> > > Can you take a thread dump ?
> > >
> > > Antonio
> > >
> > > 2017-10-20 11:34 GMT+02:00 Bincy P S <bincysuresh@gmail.com
> <javascript:;>
> > <javascript:;>>:
> > >
> > > > We have changed the JVM heap size to 2G , Jmeter version to 3.3 and
> > tried
> > > > these test runs . I still see the same issue
> > > >
> > > > On Fri, Oct 20, 2017 at 2:56 PM, Philippe Mouawad <
> > > > philippe.mouawad@gmail.com <javascript:;> <javascript:;>>
wrote:
> > > >
> > > > > What is the size of your JVM Heap ? If you didn't change it then
it
> > can
> > > > > explain your issues.
> > > > > Also why are you using an old version as 3.0, ? Last version is
> 3.3 ?
> > > > >
> > > > >
> > > > >
> > > > > On Fri, Oct 20, 2017 at 9:33 AM, Bincy P S <bincysuresh@gmail.com
> <javascript:;>
> > <javascript:;>>
> > > > wrote:
> > > > >
> > > > > > Jmeter Configuration :
> > > > > > Thread setting : 1 thread , 5 transaction controller ,each with
1
> > > HTTP
> > > > > > sampler. Home Page, PLP,PDP ,AddtoCart,View Cart
> > > > > > HTTP Request Sampler : tried with all Implementation,Download
> > > embedded
> > > > > > resources - retrieve embedded resources, parallel download -
6
> > > > > >
> > > > > > No other settings were changed
> > > > > >
> > > > > > jmeter version : 3.0
> > > > > >
> > > > > > On Fri, Oct 20, 2017 at 12:41 PM, Philippe Mouawad <
> > > > > > philippe.mouawad@gmail.com <javascript:;> <javascript:;>>
wrote:
> > > > > >
> > > > > > > Hello,
> > > > > > > What is your jmeter configuration ?
> > > > > > > Did you change any setting ?
> > > > > > > What is your jmeter version ?
> > > > > > >
> > > > > > > Thanks
> > > > > > > Regards
> > > > > > >
> > > > > > > On Fri, Oct 20, 2017 at 9:06 AM, Bincy P S <
> > bincysuresh@gmail.com <javascript:;> <javascript:;>>
> > > > > > wrote:
> > > > > > >
> > > > > > > > A load test with downloading just the HTML scales
upto 300
> > users
> > > on
> > > > > one
> > > > > > > > Load generator (8 Core, 8 GB RAM - CPU at 20% max
and Memory
> at
> > > > 5%).
> > > > > > > > However, when a similar profile is tested with download
of
> > > non-HTML
> > > > > > > > embedded resources (images, css, js, etc.,) along
with HTML,
> > the
> > > LG
> > > > > > gets
> > > > > > > > utilized to the max (100% CPU, Memory still at 20%)
with just
> > 30
> > > > > users.
> > > > > > > >
> > > > > > > > Testing the same profiles with Load Runner, there
is not much
> > > > > > difference
> > > > > > > on
> > > > > > > > LG performance between the 2 profiles
> > > > > > > >
> > > > > > > > --
> > > > > > > > With Regards,
> > > > > > > >
> > > > > > > > Bincy Suresh
> > > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > --
> > > > > > > Cordialement.
> > > > > > > Philippe Mouawad.
> > > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > --
> > > > > > With Regards,
> > > > > >
> > > > > > Bincy Suresh
> > > > > >
> > > > >
> > > > >
> > > > >
> > > > > --
> > > > > Cordialement.
> > > > > Philippe Mouawad.
> > > > >
> > > >
> > > >
> > > >
> > > > --
> > > > With Regards,
> > > >
> > > > Bincy Suresh
> > > >
> > >
> > >
> >
> >
> > --
> >
> > *Ganesh .N*
> >
> > *Bangalore*
> >
> > *Wireless:* *+91 9611906678*
> >
>
>
> --
> Cordialement.
> Philippe Mouawad.
>


-- 

*Ganesh .N*

*Bangalore*

*Wireless:* *+91 9611906678*

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