On 08/05/2009, drubix <andrew.schr...@gmail.com> wrote: > > I've got 3 HTTPClient Samplers which make the requests then I've got 2 test > actions (for think times), a couple of simple controllers to signify > grouping (I cut this small section out of a much larger test plan), a loop > controller and a few config elements (User Defined Variables, HTTP Request > Defaults and HTTP Cookie Manager). All of these are in a Thread Group. > > I can't figure out why so much memory would be used for just a single > thread, jmeter overhead isn't that much, surely? Especially when running in > non-GUI mode.
Neither can I - that sounds like a small test plan. If there's nothing private in the plan, perhaps you could send me a copy privately? (not to the list). Redact any passwords etc first. Are you using any functions? Forgot to ask earlier, which version of JMeter and Java are you using? > > sebb-2-2 wrote: > > > > On 08/05/2009, drubix <andrew.schr...@gmail.com> wrote: > >> > >> Sorry for the double post, edits don't get sent to the mailing list. > >> > >> I've removed to the Response Assertion in case that was the cause of the > >> large memory use (it's the only "non-standard" component I'm using) but > >> that > >> doesn't change the memory usage. > >> > >> I've also tried running the test on a Windows box (which is running > >> Sun's > >> JDK instead of OpenJDK) with approximately the same results. > >> > >> Is this memory usage really standard? If that's the case, with a more > >> complex test plan and a higher number of users, I'd be looking at a > >> server > >> farm just to simulate a couple of dozen users. > > > > I've certainly run HTTP tests with lots of users and not had such a > > problem. > > > > Which samplers are you using? > > > >> Thanks, > >> > >> Drew > >> > >> > >> > >> drubix wrote: > >> > > >> > Hi Sebb, > >> > > >> > I do actually, just ran it when I got into work with a single instance > >> and > >> > its memory usage started at about 22MB and seemed to be growing at > >> about > >> > 1MB every 2 seconds or so until a plateau at about 132MB after 15mins. > >> > This test had a single thread and was launched using the command: > >> > > >> > jmeter -n -t SimpleTest.jmx -l out.jtl > >> > > >> > It consists of mostly HTTPClient Samplers, a loop controller and a > >> > Response Assertion (but no listeners). Does this memory usage seem > >> > unusually high? > >> > > >> > Thanks, > >> > > >> > Drew > >> > > >> > > >> > sebb-2-2 wrote: > >> >> > >> >> On 07/05/2009, drubix <andrew.schr...@gmail.com> wrote: > >> >>> > >> >>> Hi, > >> >>> > >> >>> I'm running a distributed test all on one system (to take advantage > >> of > >> >>> IP > >> >>> aliasing) with one thread per instance of JMeter. When I watch the > >> >>> processes with top on my RH Linux box, the memory usage of each > >> JMeter > >> >>> instance seems to be rising dramatically over time. The same > >> number of > >> >>> threads running for 5 mins uses around 1.5GB of memory total by the > >> end > >> >>> of > >> >>> the run but when running for 30 mins ends up using closer to 4GB. > >> >>> > >> >>> I'm using the HTTPClient for all calls so that should be avoiding > >> the > >> >>> HTTPS > >> >>> memory leak (only using HTTPS during the initial log on step > >> anyway) > >> >>> and I > >> >>> have no listeners running (I'm running in non-GUI mode using the -l > >> >>> switch). > >> >>> I'm also using the default mode so that each sample is reported to > >> the > >> >>> master - the slave instances themselves shouldn't really be storing > >> any > >> >>> more > >> >>> information than just the cookies, should they? > >> >>> > >> >>> Is there any other reason why the memory growth would be as it is? > >> >> > >> >> Sorry, no idea how memory usage behaves in client server mode. > >> >> > >> >> Do you see the same memory increase if you use independent non-GUI > >> >> JMeter instances? > >> >> > >> >>> Thanks, > >> >>> > >> >>> Drew > >> >>> > >> >>> -- > >> >>> View this message in context: > >> >>> > >> http://www.nabble.com/Increasing-Memory-Usage-tp23421516p23421516.html > >> >>> Sent from the JMeter - User mailing list archive at Nabble.com. > >> >>> > >> >>> > >> >>> > >> --------------------------------------------------------------------- > >> >>> To unsubscribe, e-mail: jmeter-user-unsubscr...@jakarta.apache.org > >> >>> For additional commands, e-mail: > >> jmeter-user-h...@jakarta.apache.org > >> >>> > >> >>> > >> >> > >> >> --------------------------------------------------------------------- > >> >> To unsubscribe, e-mail: jmeter-user-unsubscr...@jakarta.apache.org > >> >> For additional commands, e-mail: jmeter-user-h...@jakarta.apache.org > >> >> > >> >> > >> >> > >> > > >> > > >> > >> -- > >> > >> View this message in context: > >> http://www.nabble.com/Increasing-Memory-Usage-tp23421516p23438414.html > >> > >> Sent from the JMeter - User mailing list archive at Nabble.com. > >> > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: jmeter-user-unsubscr...@jakarta.apache.org > >> For additional commands, e-mail: jmeter-user-h...@jakarta.apache.org > >> > >> > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: jmeter-user-unsubscr...@jakarta.apache.org > > For additional commands, e-mail: jmeter-user-h...@jakarta.apache.org > > > > > > > > -- > > View this message in context: > http://www.nabble.com/Increasing-Memory-Usage-tp23421516p23439593.html > > Sent from the JMeter - User mailing list archive at Nabble.com. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: jmeter-user-unsubscr...@jakarta.apache.org > For additional commands, e-mail: jmeter-user-h...@jakarta.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: jmeter-user-unsubscr...@jakarta.apache.org For additional commands, e-mail: jmeter-user-h...@jakarta.apache.org
