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From Philippe Mouawad <philippe.moua...@gmail.com>
Subject Re: PERFORMANCE => Changing JMeter defaults to ensure better performances by default
Date Wed, 09 Jan 2013 22:03:58 GMT
Hello,
Sebb What's your opinion on this ?

Regards
Philippe

On Tuesday, January 8, 2013, Keith Young wrote:

> Ahh... found it... you might want to update the wiki text...
>
> from:
> groovy-VERSION-all.jar
> to:
> groovy-all-VERSION.jar
>
> Thanks!
>
> Cheers,
> Keith.
>
>
> On 8 January 2013 10:26, Philippe Mouawad <philippe.mouawad@gmail.com<javascript:;>
> >wrote:
>
> > Hello,
> > The groovy-all.jar in in *embeddable* folder of the
> groovy-binary-2.0.6.zip
> > file.
> >
> > Once you add it in jmeter/lib folder, restart jmeter and groovy will
> > appear.
> > I will do some autopromotion :-) , see this for what will be available in
> > JMeter 2.9 (part of it is in 2.8):
> >
> >    -
> >
> >
> http://www.ubik-ingenierie.com/blog/jmeter_control_percentage_of_sampler/
> >
> >
> > If you want to test, you can get nightly build  (but read warning and
> > install instructions):
> >
> >    - http://jmeter.apache.org/nightly.html
> >
> > Regards
> >
> > Philippe
> >
> > http://www.ubik-ingenierie.com/blog/
> > On Tue, Jan 8, 2013 at 3:49 PM, Keith Young <youngka@gmail.com> wrote:
> >
> > > >> Encourage JSR223 Samplers + Groovy  + Caching instead of Beanshell
> > >
> > > Can someone point me to some documentation that outlines this better?
> >  If I
> > > include a JSR223 sampler there is no option for Groovy.  The wiki link
> in
> > > this message thread says to include groovy-VERSION-all.jar in the
> > > jmeter/bin directory, but a download of Groovy 2.0.6 doesn't have that
> > jar.
> > > Is the groovy-2.0.6.jar enough?
> > >
> > > What caching is the above point referring to?
> > >
> > > Sorry for these questions on the dev list, but that's where this thread
> > > is... :)
> > >
> > > Cheers,
> > > Keith.
> > >
> > >
> > > On 27 December 2012 05:06, Milamber <milamber@apache.org> wrote:
> > >
> > > >
> > > >
> > > > Le 24/12/2012 13:20, Philippe Mouawad a ecrit :
> > > >
> > > >  Hello,
> > > >>
> > > >> I am kind of annoyed of reading articles, blogs that say JMeter
> cannot
> > > >> perform high Load Tests, consumes lot of memory, generates
> OutOfMemory
> > > ...
> > > >>
> > > >> This has become a kind of "Urban Legend" partly due:
> > > >> - to issues that have been fixed for a while now
> > > >> - and partly In my opinion to some default configuration parameters
> > that
> > > >> lead to these issues
> > > >>
> > > >> In my opinion, we should:
> > > >>
> > > >> 1) change these defaults to avoid new comers, beginners fall into
> all
> > > >> these
> > > >> traps and others check they are using it well:
> > > >>
> > > >>     - Save Service using XML output =>  Change to CSV
> > > >>
> > > >
> > > > Yes, CSV seems a better default type to the results file.
> > > >
> > > >
> > > >      - Distributed Mode that uses the Standard which is far from
> being
> > > the
> > > >>     best performing Sample Sender =>  Change to Batch or
> StrippedBatch
> > > >>
> > > >
> > > > Why Batch ou StrippedBatch ? Why not Asynch or Diskstore?
> > > >
> > > >
> > > >
> > > >> 2) Add warnings on GUIs of all elements that are more suited during
> > > >> Scripting than during Load Test :
> > > >>
> > > >>     - View Result Tree (I keep seeing people use this element during
> > > High
> > > >>     Load Test ! )
> > > >>     - View Results in Table
> > > >>     - Graph Results
> > > >>     - ...
> > > >>
> > > >
> > > > JMeter can be used for functional tests. Warnings on GUI for the
> > 'heavy'
> > > > elements can be unpleasant.
> > > >
> > > > Perhaps add a menu/button option "Check script for load test" which
> > > > display some warning (in a box or another way) when heavy elements
> are
> > > > found in the tree.
> > > > This option can be enabled by a property to checked before every load
> > > tests
> > > >
> > > >
> > > >  3) Add a popup warning when Start and Remote Start are clicked from
> > GUI
> > > to
> > > >> encourage NON GUI mode use (we could add a checkbox Remind Me later
> > > which
> > > >> could be unchecked to avoid it again, but at least user would know
> > about
> > > >> it).
> > > >>
> > > >
> > > > See comment in 2)
> > > >
> > > >
> > > >
> > > >
> > > >  4) Finally use some kind of visual indicator (RED background) on
> some
> > > >> options that have high impact on performance:
> > > >>
> > > >>     - Javascript as scripting language
> > >



-- 
Cordialement.
Philippe Mouawad.

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