Pool Size = number of sub threads to use. Shmuel.
On Sun, Jul 15, 2012 at 2:29 PM, Sergio Boso <[email protected]>wrote: > Il 09/07/2012 11:24, Adrian Speteanu ha scritto: > HI, > > just to be sure: > if I select > "Retrieve all embedded resources" > and > "Use concurrent pool" > > the concurrent pool size IS the number of socket use to retrieve the > object. > Am I correct? > > Thank you in advance > >> Hi, >> >> Please note that the concept of virtual users is very tricky in JMeter. >> Especialy for people that worked with other types of performance tools >> previously. >> >> JMeter has threads of execution and their behaviour differs accordingly to >> whatever you want your script to do (but they are java threads and behave >> just like in any other java application). How sockets are opened differs a >> lot too (your question is very general and I think it depends more on the >> JVM and hte OS rather then jmeter itself). From monitoring the OS, on very >> busy tests (where threads make 5-10 requests per second), each thread uses >> 1 socket. But, depending on your OS and other configurations, sockets may >> be left opened for a while after one thread ended a loop. So by having >> many >> threads or many loops per thread you might run into trouble. >> >> If you are having exceptions on the machine where you run jmeter (related >> to network, number of sockets), then you'll probably need to tweak the OS >> in order to make high loads with jmeter. Search in older threads, this was >> previously disscused. >> >> Adrian >> >> On Thu, Jul 5, 2012 at 1:44 PM, Prabhash Rajarathne <[email protected] >> >wrote: >> >> Hi All, >>> I want to know how does JMeter Virtual Users created. When simulating 40 >>> users does JMeter open up 40 sockets and create the load or does all http >>> request / responses go back and forth from a single socket or port with >>> multiple treads(sessions)? please explain >>> >>> Regards, >>> Prabhash >>> >>> > > -- > > Ing. Sergio Boso > > > <mailto:[email protected]> > > > > > > ------------------------------**------------------------------**--------- > To unsubscribe, e-mail: > user-unsubscribe@jmeter.**apache.org<[email protected]> > For additional commands, e-mail: [email protected] > >
