So what's the problem, exactly?  

-Mike

On Wed, 2004-06-30 at 20:21, Remedy QA wrote:
> It seems Jmeter is a memory hogger. If given more memory, it will keep consuming.  I 
> am using JMeter nightly build of June 12.
>  
> During my test run of approximately 50 minutes, with 250 virtual users on one GUI 
> Jmeter client, it managed to consume about 1 GB of real memory.  As the test 
> continued, the memory just kept diminishing.  The garbage collecting (minor 
> collecting) happened about every 20 to 60 seconds.   The CPU spikes happen when 
> there are GCs.
>  
> I also ran the same test on a machine with only 1 GB of RAM.  When the test was 
> over, real memory was at about 32mb.  
>  
> I tried with non-GUI mode but several threads hung and never was able to finish.
>  
> So it seems that if I use a machine with more memory and give it a bigger heap, it 
> just consumes as much as it can.  I don't think 250 virtual users for the machine 
> type I use is too much load.  There must be something I am missing.  Any help 
> appreciated.
>  
> I ran a test with the following configuration:
>  
> Single JMeter Client on Windows 2000 Server, 2 GB RAM, single 2.8 Ghz Pentium 4 CPU. 
>  JDK 1.4.2_04
>  
> JMeter JVM settings:
> set HEAP=-Xms1280m -Xmx1280m
> set NEW=-XX:NewSize=512m -XX:MaxNewSize=512m
> set DEBUG=-verbose:gc -XX:-PrintTenuringDistribution -XX:+PrintGCDetails 
> -XX:+PrintGCTimeStamps -XX:+PrintGCApplicationConcurrentTime 
> -XX:+PrintGCApplicationStoppedTime
>  
> All other JVM settings are the defaults that came with jmeter.bat.
>  
> JMeter output set to CSV, jmeter and jorphan logging set to warning.
>  
> Jmeter script:
>  
> Test Plan
>    ThreadGroup - 250 virtual users, ramping up every 5 seconds. Loop once.
>       Aggregate Listener
>       Simple Controller
>           8 HTTP Requests in here
>           3 Aggregate Listeners in here
>       Runtime Controller - 45 minutes total for all users.
>           33 HTTP Requests in here
>           2 Aggregate Listeners in here
>       Simple Controller
>           2 HTTP Requests in here.
>          
> 
> 
>               
> ---------------------------------
> Do you Yahoo!?
> Yahoo! Mail is new and improved - Check it out!
-- 
Michael Stover <[EMAIL PROTECTED]>
Apache Software Foundation


---------------------------------------------------------------------
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]

Reply via email to