can someone suggest why firefox is so &$*&^%*#^&%* slow?

[Robert P. J. Day]

On Fri, 26 Sep 2014, Adam Williamson wrote:

> On Wed, 2014-09-24 at 10:44 -0400, Robert P. J. Day wrote:
> >   i am at my wit's end with firefox on my fedora rawhide system -- to
> > say it's nad-grindingly slow would be charitable. just now, i tried
> > clicking on another tab ... some 30 seconds later, i am still waiting
> > for the tab to change, oh, wait, there it is.
> >
> >   watching any sort of youtube video is excruciating ... while audio
> > is typically, i will frequently get *maybe* one frame change a second,
> > i kid you not. i frequently get javascripts that are not responding,
> > and i'm asked whether i want to wait for them.
> >
> >   is there *something* i can do to debug this? what firefox
> > configuration settings should i be looking at? i'm willing to try
> > anything because, at this point, firefox is utterly unusable. even
> > something as simple as scrolling in a window is painfully slow.
> >
> >   oh, and i'm on a quad core i7, so i'm pretty sure horsepower isn't
> > the problem.
>
> FWIW, I've been seeing some odd 'laggy' behaviour in F21 on my
> desktop lately, which does mostly seem to be in Firefox. I do have
> sixteen zillion tabs open, but I do that a lot and it's not happened
> before, and RAM isn't exhausted (I have 16GB, using about 8GB). I
> don't have Flash installed. Not had time to look into it in more
> detail yet, but it does seem like something squiffy is going on.
>
> The symptoms are basically that things like switching tabs,
> highlighting text, copy/pasting, or input appearing after I start to
> type lag by 1-3 seconds, and sometimes presses/characters that occur
> within the lag time are lost.

  yup, those are/were my symptoms *exactly* -- it's much better now
that i've disabled flash but that shouldn't have been necessary,
should it? i'm on a quad core i7 and also have 16G of RAM and not even
close to using all of it most of the time.

  so it's a bit of a relief that i'm not the only person seeing this.

rday

-- 

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Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
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