Which version of JMeter ? Java? And which samplers do you use? Do you use lots of Assertions, Pre or Post-Processors?
On 09/01/2008, Dmitry Kudrenko <[EMAIL PROTECTED]> wrote: > DK> Greetings, Ragini. > > Sorry, I skipped your messages about 4 users test. It is strange. > What OS do you use? > What memory usage do you have in the task manager? > Try to inspect JMeter with some profiler tool (JConsole or YourKit > Java Profiler, etc). > > What kind of memory JMeter exceeded (Heap Memory, PermGen space)? > > DK> How many threads do you start for your test plan? > DK> What kind of OutOfMememory Exception do you have? > > DK> Look to the following article if it is "java.lang.OutOfMemoryError: > DK> unable to create new native thread" exception: > > DK> http://www.egilh.com/blog/archive/2006/06/09/2811.aspx > > DK> Note about interesting paradox: > DK> "the more memory you give to the JVM the more likely you are to get > DK> java.lang.OutOfMemoryError: unable to create new native thread" (c) > > DK> Try to execute test plans on the several JMeter servers. It should > DK> help you. > > > RT>> We are using JMeter for Performance testing of one of the critical > RT>> application. We are using JMeter for testing Web service calls. > > RT>> When we execute the test with 4 users, the Jmeter goes out of memory and > RT>> we can not proceed with the test runs. > > RT>> > > RT>> We are not using any memory intensive listeners in out test plan. We are > RT>> using simple data writer. > > RT>> > > RT>> The configurations in our Jmeter.bat files are as follows: > > RT>> > > RT>> rem See the unix startup file for the rationale of the following > RT>> parameters, > > RT>> rem including some tuning recommendations > > RT>> set HEAP=-Xms512m -Xmx512m > > RT>> set NEW=-XX:NewSize=128m -XX:MaxNewSize=128m > > RT>> set SURVIVOR=-XX:SurvivorRatio=8 -XX:TargetSurvivorRatio=50% > > RT>> set TENURING=-XX:MaxTenuringThreshold=2 > > RT>> set EVACUATION=-XX:MaxLiveObjectEvacuationRatio=40% > > RT>> set RMIGC=-Dsun.rmi.dgc.client.gcInterval=600000 > RT>> -Dsun.rmi.dgc.server.gcInterval=600000 > > RT>> set PERM=-XX:PermSize=256m -XX:MaxPermSize=256m > > RT>> set DEBUG=-verbose:gc -XX:+PrintTenuringDistribution > > RT>> > > RT>> JMeter machine configuration: > > RT>> > > RT>> 32 bit processor and 1.88GHz , 2 CPU and 4GB RAM > > RT>> > > RT>> Application server configuration: > > RT>> > > RT>> 64 bit processor, 2 CPU and 8GB RAM > > RT>> > > RT>> We also tried changing the heap size to 1024m but, after that when we > RT>> run the Jmeter we get the error as JVM could not be initialized. > > RT>> > > RT>> Please suggest how we can solve this problem. > > RT>> > > RT>> Regards, > RT>> Ragini Thakur > > > > > -- > Regards, > Dmitry Kudrenko > ARDAS group http://ardas.dp.ua > > > --------------------------------------------------------------------- > 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]
