Hey Namaskara~Nalama~Guten Tag
The question is "- What is the impact of distributed mode on network utilization?" So i am guessing he means that instead of a very very large server (mammoth - 64 processors or something ) he is gonna run JMeter in a distributed mode on 15 servers with a .capacity of 4 processors each. So there is gonna be some communication between the master and the other 14 clients which will not happen if it was one server. So then the question would be - what would be the master and the other 14 clients communicating. Mostly what kind of request to send and consolidating the results. This network load still would be very very less as compared to the actual network load (download and upload) between the clients (15 of them) and the server. And this should certainly not be over 5% - otherwise it would defeat the whole purpose of spreading the load on a cluster (it would choke the network) rather than a single server. 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 Fri, Sep 24, 2010 at 8:06 PM, sebb <[email protected]> wrote: > On 24 September 2010 15:02, Deepak Goel <[email protected]> wrote: > > Hey > > > > Namaskara~Nalama~Guten Tag > > > > To answer your last question it would have a max overhead of 5% on the > > network. > > Huh? > > 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? > > > > 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 Fri, Sep 24, 2010 at 5:03 PM, iyerbalaji <[email protected] > >wrote: > > > >> > >> We are planning to load test a large financial web application with > JMeter. > >> We intend to utilize JMeter in distributed/master-slave mode with 15 > load > >> generators (JMeter-server) + 1 Master (JMeter GUI Client). > >> > >> Based on our initial experiments with JMeter in a single instance GUI > mode, > >> we could generate between 500-700 virtual users per machine (2.8GHz, 2GB > >> RAM, Windows XP) against the web application. The final objective is to > >> generate a concurrent load of 10000 virtual users. Hence, the need to > use > >> 15 > >> load generators. > >> > >> Can JMeter successfully scale up to 15 nodes (jmeter-servers) in > >> distributed > >> mode? What has been your experience in using JMeter for generating such > >> high > >> load levels? > >> > >> Couple of additional questions that we have includes: > >> - What is maximum number of load generators that can be used per > >> Master? > >> - What is the impact of distributed mode on network utilization? > >> > >> -- > >> View this message in context: > >> > http://jmeter.512774.n5.nabble.com/Scalability-and-Stability-of-JMeter-s-Distributed-Mode-tp2852466p2852466.html > >> Sent from the JMeter - User mailing list archive at Nabble.com. > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: [email protected] > >> For additional commands, e-mail: [email protected] > >> > >> > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
