[Grok-dev] Re: KSS lag?

Paul Everitt paul at zeapartners.org
Sat Jan 12 15:44:36 EST 2008


daniel wrote:
> Thanks,
> 
> Here are my results on FireFox 3 beta2 with firebug 1.1b10:
> 
> 
> Console in debug: 
> http://img242.imageshack.us/img242/9189/firefox3b2firebug11b10djd7.jpg 
> <http://img242.imageshack.us/img242/9189/firefox3b2firebug11b10djd7.jpg>
> 
> Notice the two errors in the console.
> 
> Loadtimes in devel:  
> http://img242.imageshack.us/img242/6781/firefox3b2firebug11b10dgg2.jpg 
> <http://img242.imageshack.us/img242/6781/firefox3b2firebug11b10dgg2.jpg>
> 
> Loadtimes in production: 
> http://img156.imageshack.us/img156/8510/firefox3b2firebug11b10pcz0.jpg
> 
> 
> Notice the big problem seems to be base2-dom-fp.js which takes over half 
> a second to load. How many of these files are required?

Don't know if this helps or not:

   http://dean.edwards.name/weblog/2007/08/firebug-slow/

--Paul

> I'm not sure why it took 88ms to load a 4k static CSS file either. Or 
> 65ms for the 80byte file.
> These numbers represent with everything cached they varied between 1.1 
> and 1.4 seconds for the page load.
> Maybe I'm being too picky and 1.4 second load times are acceptable fully 
> cached and local? My second Grok app has no CSS or JS and loads in 18ms.
> 
> Then I tried to reload after clearing my browser's cache with 
> ctr-shift-del and i get 13 second load times!
> 
> http://img86.imageshack.us/img86/9441/firefox3b2firebug11b10dgm1.jpg
> 
> This was easily reproducible. kukit.js is the culprit every time and 
> takes 12 seconds to get passed to the browser. Also obviously nothing is 
> rendered while this occurs and it did not matter if KSS was in devel or 
> production.
> 
> 
> On Jan 11, 2008 4:15 AM, Sebastian Ware <sebastian at urbantalk.se 
> <mailto:sebastian at urbantalk.se>> wrote:
> 
>     Try this
> 
>       http://www.getfirebug.com/
> 
>     Mvh Sebastian
> 
>     11 jan 2008 kl. 03.07 skrev daniel:
> 
>      > Thanks Godefroid.
>      > I've put it into dev mode and it 'seems' to have become better. I
>      > have difficulty saying for sure what the change is because I'm not
>      > well versed in how to more adequately measure Grok webapp execution
>      > and client rendering time. Is there someone who could write a nice
>      > documentation for this pretty please with sugar on top? :)
>      >
>      > On Jan 10, 2008 5:18 AM, Godefroid Chapelle < gotcha at bubblenet.be
>     <mailto:gotcha at bubblenet.be>>
>      > wrote:
>      > daniel wrote:
>      > > Hello,
>      > > I followed the KSS tutorial and integrated KSS into my Grok
>      > application.
>      > > I haven't actually done anything with it other than the one line
>      > text
>      > > replacement that is in the tutorial, however I have started
>      > experiencing
>      > > 1-2 second view refresh lag times on my Grok app with KSS as
>      > opposed to
>      > > another Grok app without it. Is this typical?
>      > >
>      > > -- Daniel
>      >
>      > Hmm, I have the feeling this is a problem we have seen at the
>      > beginning
>      > with Plone as well.
>      >
>      > IIRC, this is a caching problem, kukit.js gets computed on each
>      > request
>      >  because cache headers are missing.
>      >
>      > Thanks for mentioning this, I'll look at it at the Snow Sprint
>      > beginning
>      > on Sat Jan 19.
>      >
>      > In the meanwhile, if you turn dev mode on with the
>     @@kss-devel-mode/ui
>      > form, the lagging should disappear.
>      >
>      > --
>      > Godefroid Chapelle (aka __gotcha) http://bubblenet.be
>      >
>      >
>      >
>      > --
>      >
>      > -- Daniel _______________________________________________
>      > Grok-dev mailing list
>      > Grok-dev at zope.org <mailto:Grok-dev at zope.org>
>      > http://mail.zope.org/mailman/listinfo/grok-dev
> 
> 
> 
> 
> -- 
> 
> -- Daniel
> 
> 
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