On 28/09/2007, Sonam Chauhan <[EMAIL PROTECTED]> wrote:
> Thanks for clearing that up Sebb. That's pretty smart behaviour in the
> ResultCollector :-)

Essential behaviour, as it cannot invoke methods on objects that don't
exist or write to a null file ;-)  The "smart" bit is not creating the
GUI...

> The tests do appear to finish normally -- they return a 0 status.

This generally means little for a Java program - and JMeter only calls
exit() with a non-zero status code for some very serious errors.

> However, instead of 54000 log entries, there will be only 2000-3000 and
> the last log entry will be truncated and look something like this:
> ---------
> <sampleResult timeStamp="1190950064802" dataType="text" threadName="Load
> Test Thread Group 1-203" label="Insert ... item number 9350743"
> time="11687" r

XML output requires more memory; if you don't need the additional
data, I suggest you use CSV output instead.

If you need the additional data for only a few samples, add Simple
Data Writers for those only.

> ---------
>
> I run many instances at the same time, and haven't made the change that
> will generate separate 'jmeter.log' files, but no out of memory errors
> appear on the console.
>
> Kind regards,
> Sonam Chauhan
> --
> Corporate Express Australia Ltd.
> Phone: +61-2-93350725, Email: [EMAIL PROTECTED]
>
> -----Original Message-----
> From: sebb [mailto:[EMAIL PROTECTED]
> Sent: Friday, 28 September 2007 8:38 PM
> To: JMeter Users List
> Subject: Re: listener element overhead in non-GUI mode.
>
> The GUI parts of the listeners should not be instantiated in non-GUI
> mode; the ResutCollector checks to see if there is a GUI (or an output
> file) before doing any more processing.
>
> However, there will be a Result Processor for each Listener, so this
> will waste some processing, but should not cause much memory overhead.
>
> I don't understand why the log-files are truncated - do the tests
> finish normally?
>
> On 28/09/2007, Sonam Chauhan <[EMAIL PROTECTED]> wrote:
> > Hello -
> >
> >
> >
> > Quick question on listener element overhead when running in non-GUI
> > mode.
> >
> >
> >
> > I have a JMeter testcase that runs a fair bit of load (900 threads x
> 30
> > loops per thread x 2 samplers = 54000 requests). This always runs in
> > non-GUI mode. The max JVM heap memory allocated is about 1 GB.
> However,
> > I am seeing truncated logfiles when running the test, but no out of
> > memory errors.
> >
> >
> >
> > Normally I add 'View Results Tree' and 'Assertion Results' listener
> > element to all my tests. Should I remove them from this testcase? Do
> > visually-oriented listener elements cause problem even when running
> > under non-GUI mode?
> >
> >
> >
> > Kind regards,
> >
> > Sonam Chauhan
> >
> > --
> >
> > Corporate Express Australia Ltd.
> >
> > Phone: +61-2-93350725, Email: [EMAIL PROTECTED]
> >
> >
> >
> >
>
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