Hey

Namaskara~Nalama~Guten Tag

I think they are trying load testing and it is not the actual production
system. I doubt if your hypothesis is true. Anyways it is best for the
person who posted the question (and any other person who is in a similar
situation) to post their observations.

Deepak
   --
Keigu

Deepak
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On Thu, Sep 30, 2010 at 5:43 AM, sebb <[email protected]> wrote:

> On 29 September 2010 23:41, Deepak Goel <[email protected]> wrote:
> > Hey
> >
> > Namaskara~Nalama~Guten Tag
> >
> > I forgot to add, i am unsure about the server configuration, but if there
> > are multiple web servers-app servers-db servers-file servers and there
> are
> > lot of sub transactions within a transaction, there would be
> significantly
> > more traffic on the network which would make the master<=>15 client
> traffic
> > look like a needle in the haystack.
>
> Again, this depends on the network configuration.
>
> For a high performance system it is likely that the client-facing
> servers will be on one network, and the application and database
> servers on another network.
>
> >
> > Deepak
> >   --
> > Keigu
> >
> > Deepak
> > +91-9765089593
> > [email protected]
> > http://www.simtree.net
> >
> > Skype: thumsupdeicool
> > Google talk: deicool
> > Blog: http://loveandfearless.wordpress.com
> > Facebook: http://www.facebook.com/deicool
> >
> > "Contribute to the world, environment and more :
> http://www.gridrepublic.org
> > "
> >
> >
> >
> > On Thu, Sep 30, 2010 at 12:41 AM, sebb <[email protected]> wrote:
> >
> >> On 29 September 2010 19:04, Deepak Goel <[email protected]> wrote:
> >> > Hey
> >> >
> >> > Namaskara~Nalama~Guten Tag
> >> >
> >> > Well, the network traffic between client and server would be for 15
> >> slaves
> >> > <=> Server. For most applications this network traffic would be
> >> > significantly higher than the Master <=>15 Slave network traffic.
> >> >
> >> > If you find a system which the case is otherwise, please let me know.
> >> That
> >> > would be a discovery which we can send it out to the Guinness Book of
> >> World
> >> > Records!
> >>
> >> Oops - I was thinking of a different posting where each slave sent to
> >> a different server.
> >>
> >> However, it is still true that the sample data that is returned to the
> >> master *can* be bigger than the response from the (web) server, even
> >> if only one (web) server is involved.
> >>
> >> If the listener is configured to return the sample data (and
> >> statistical sampling is not used), then the data sent back to the
> >> master will include the headers and the body and the additional JMeter
> >> data fields, and the overhead for serialisation. Furthermore, if the
> >> body content was gzipped, it will be returned in unzipped form.
> >>
> >> If there are multiple listeners, it may well be that the same data is
> >> sent to each of them.
> >>
> >> That is why I wrote that the data traffic depends on the test plan.
> >>
> >> > Regards
> >> > Deepak
> >> >   --
> >> > Keigu
> >> >
> >> > Deepak
> >> > +91-9765089593
> >> > [email protected]
> >> > http://www.simtree.net
> >> >
> >> > Skype: thumsupdeicool
> >> > Google talk: deicool
> >> > Blog: http://loveandfearless.wordpress.com
> >> > Facebook: http://www.facebook.com/deicool
> >> >
> >> > "Contribute to the world, environment and more :
> >> http://www.gridrepublic.org
> >> > "
> >> >
> >> >
> >> >
> >> > On Wed, Sep 29, 2010 at 11:29 PM, sebb <[email protected]> wrote:
> >> >
> >> >> On 29 September 2010 18:40, Deepak Goel <[email protected]> wrote:
> >> >> > Hey
> >> >> >
> >> >> > Namaskara~Nalama~Guten Tag
> >> >> >
> >> >> > The network traffic from client to server depends on the
> >> >> request-response.
> >> >> > Whereas the network traffic between master and slaves is only for
> >> sending
> >> >> > what type of request to send to server and the result statistics
> >> (which
> >> >> > would be very very less)
> >> >>
> >> >> The master sends the test plan to the slave(s) at the start of the
> test
> >> >> run.
> >> >> The slaves return test samples back to the listeners.
> >> >>
> >> >> How much data is sent back to the master depends on the batching mode
> >> >> and the listener configuration.
> >> >> The data volume could be bigger than the response from the server.
> >> >>
> >> >> If one uses statistical batching, then yes, it will in general be
> less
> >> >> than the sample responses.
> >> >>
> >> >> Remember that the JMeter master node has to receive data from all the
> >> >> slaves, so the total traffic volume could still be greater than that
> >> >> from a single JMeter slave <=> server under test.
> >> >>
> >> >> > Deepak
> >> >> >   --
> >> >> > Keigu
> >> >> >
> >> >> > Deepak
> >> >> > +91-9765089593
> >> >> > [email protected]
> >> >> > http://www.simtree.net
> >> >> >
> >> >> > Skype: thumsupdeicool
> >> >> > Google talk: deicool
> >> >> > Blog: http://loveandfearless.wordpress.com
> >> >> > Facebook: http://www.facebook.com/deicool
> >> >> >
> >> >> > "Contribute to the world, environment and more :
> >> >> http://www.gridrepublic.org
> >> >> > "
> >> >> >
> >> >> >
> >> >> >
> >> >> > On Wed, Sep 29, 2010 at 11:44 AM, yj2133011 <[email protected]>
> wrote:
> >> >> >
> >> >> >>
> >> >> >> How do you arrive at that figure?
> >> >> >>
> >> >> >> The network traffic from server to client depends on the test plan
> >> >> >> listeners and the server configuration.
> >> >> >>
> >> >> >> And the percentage overhead surely depends on the current network
> >> >> traffic?
> >> >> >>
> >> >> >> -----
> >> >> >> The voice input and output is very good in this
> >> >> >>
> >> >> >>
> >> >>
> >>
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> >> >> >> --
> >> >> >> View this message in context:
> >> >> >>
> >> >>
> >>
> http://jmeter.512774.n5.nabble.com/Scalability-and-Stability-of-JMeter-s-Distributed-Mode-tp2852466p2965678.html
> >> >> >> Sent from the JMeter - User mailing list archive at Nabble.com.
> >> >> >>
> >> >> >>
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