[K12OSN] Firefox and load average
James P. Kinney III
jkinney at localnetsolutions.com
Tue Dec 4 16:49:13 UTC 2007
Ah ha! You have different versions of firefox between the two servers
and the same config file is shared. Thus every time they log in the
config file gets reparsed and reconverted to the "new" settings.
Make sure you are using the same firefox version on both ervers and see
if the lag time goes away.
On Tue, 2007-12-04 at 11:41 -0500, David Hopkins wrote:
> Perhaps, but it happens every single time they switch between the
> servers, so 1st period on server one, it hangs, then second period
> using server 2 it hangs, then when they go back later in the day to
> server 1, it hangs again. I guess I am just not explaining it
> correctly. And rather than risk writing a novel to explain, I'll test
> the suggestions given and see what happens :)
> On Dec 4, 2007 11:36 AM, Michael Blinn <mblinn at peopleplaces.org> wrote:
> > This may have to do with the hang when first loading FF after an
> > update. FF brings in many language-specific extensions that will cause
> > a very long load time, but only the first time it's run by each user.
> > Since my users only work in English, I just 'rm -rf
> > /usr/lib/firefox-18.104.22.168/extensions/*' after every FF yum update. I'm
> > on K12V6 so 22.214.171.124 is my FF version.
> > -Michael
> > David Hopkins wrote:
> > > I'll try changing the file limit (once I go find that discussion
> > > again). Users haven't changed and browsing behavior hasn't changed.
> > > The big thing seems to be that one server is running K12LTSP 4.2 and
> > > the another is running CentOS 5. I haven't had time to upgrade the
> > > K12LTSP server, so what is really annoying is that if they log onto
> > > one server, launch FF (same version on both systems), it takes a while
> > > to launch. Then, if still on that server it launches quickly from then
> > > on. BUT if they then change and use a thin client connected to the
> > > other server, the launch again takes a while (30-60 seconds) before it
> > > starts. Seems to be some sort of issue with having different OS's
> > > between the two servers. It is 100% repeatable. I'll try loading
> > > Opera as a test, and over Christmas upgrade the K12LTSP server (unless
> > > I can do so this weekend instead).
> > >
> > > There aren't any stale processes or other issues. Just the 30-60
> > > second lag in launching each time they switch servers.
> > >
> > > Thanks!
> > > Dave Hopkins
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James P. Kinney III
CEO & Director of Engineering
Local Net Solutions,LLC
GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
<jkinney at localnetsolutions.com>
Fingerprint = 3C9E 6366 54FC A3FE BA4D 0659 6190 ADC3 829C 6CA7
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