[rt-users] RT 3.8.0 painfully slow on Firefox / Ubuntu

[Emmanuel Lacour]

On Mon, Sep 01, 2008 at 07:31:38PM -0500, Jesse Vincent wrote:
> 
> On Sep 1, 2008, at 6:16 PM, Razvan Cosma wrote:
> 
> >  Hello,
> > I installed RT a few weeks ago, on Apache/Centos, and while its  
> > functions appear to all work correctly, a big problem is that ticket  
> > display screens are rendered painfully slow if using Firefox on  
> > Linux. On Windows, using IE, everything is snappy, Firefox a bit  
> > sluggish, but on Linux scrolling three pages down in a window  
> > renders like a 486 computer opening myspace. I have checked CPU and  
> > memory usage - no signs of overload there, disabled add-ons and  
> > plugins, again no noticeable increase in speed. Can you suggest what  
> > causes this slow redraws? It looks like a Javascript issue, should I  
> > blame prototipe? scriptaculous? Any suggested ways to search for  
> > what freezes the interface?
> 
> Actually, it's an interaction between firefox's corner rounding CSS  
> and your X server. We've seen it on about 3 machines, but never  
> managed to track it down.
> 

Here we ended in commenting all "-moz-border-radius:" and
"-webkit-border-radius:" in web2 css. With this, we got good
performances on FF.

You can also try to disable the background image gradient.