[LibX] Firefox libX and Gmail problem

Victoria Lin weilin at hulmail.harvard.edu
Wed May 26 09:00:41 PDT 2010


Dear Godmar,
one of our users reported the fix really worked, thank you very much. Victoria.

On Tue, 25 May 2010 11:32:26 -0400, Godmar Back wrote
> I was able to reproduce and (hopefully) fix this.
> 
> Update your cues or wait 24 hours to pick up the fix. You may need to open a new window (or better yet, close the entire browser).
> 
> The problem was a 2 second interval timer that run some expensive jQuery selectors on the large-volume DOMs of all google.com sites.
> 
>  - Godmar
> 
> On Tue, May 25, 2010 at 8:21 AM, Dan Sich <dansich at gmail.com> wrote:
> We have the same problem here with Firefox 3.6.3 and Gmail (andreportedly other web applications), though it's not consistent acrossall machines.
> 
> LibX ID:  1C437F1F
> Revision:  1.5.21
> 
> Cheers,
> 
> Dan Sich
> University of Western Ontario
> 
> On Tue, May 25, 2010 at 3:20 AM, Enrico Francese <enrico.francese at unito.it> wrote:
> The same problem occurs to me since the last 5 days.
> It disappears disabling LibX.
> I had no idea it could depend on LibX.
> 
> Thanks,
> Enrico
> 
> Il 24/05/2010 19:04, Victoria Lin ha scritto:
> 
> 
> Hi, over the weekend, a couple of our users reported problem with
> Firefox libx and Gmail, I was not able to replicate yet, I wonder if you
> have heard about it and have solutions.
> 
> message 1.
> "Recently whenever I have had gmail open, Firefox slows down
> considerably, to a point where it is rather painful to use. Through
> selectively disabling my add-ons, I discovered that this only happens
> when the LibX add-on is enabled..."
> 
> message 2.
> "If I have a tab with Gmail in it and the LibX add-on enabled, firefox
> takes 20-50% of my CPU (40-100% of one hyperthreaded pseudo-CPU). If I
> disable LibX, or close the Gmail tab, or switch to the old version of
> Gmail, firefox's CPU usage goes down to 0% (bouncing occasionally to 5%).
> If I disable LibX autolinking and all other LibX features in its
> preferences window (but leave LibX itself enabled), Firefox takes 15-35%
> of my CPU, so it helps, but not enough. "
> 
> thanks, Victoria
> 
> _________________________________
> 
> Victoria Lin
> Systems Librarian
> phone: 617-495-3724
> email: weilin at hulmail.harvard.edu
> 
> Harvard University Library
> Office for Information Systems
> 90 Mt. Auburn Street
> Cambridge, MA. 02138
> 
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-- 
Victoria Lin 
Systems Librarian 
Harvard University Library 
Office for Information Systems 
90 Mt. Auburn St 
Cambridge, MA 02138 
Tel: 617-495-3724 
Email: weilin at hulmail.harvard.edu

 
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