[K12OSN] Re: Problems with Firefox, OO and KDE apps start up speed with SMBLDAP (Julian)

[Julian Yap]

--- Matt Oquist <moquist at majen.net> wrote:
> > Julian Yap wrote:
> > > Hi all,
> > >
> > > We're having problems with the start up speed of Firefox,
> OO and KDE
> > > apps on our K12LTSP servers and was wondering if anyone
> could help.
> > >
> > > More background info:
> > > We freshly installed a K12LTSP 6.0 server and set it up to
> authenticate
> > > off the SMBLDAP.  Home directories are also mounted off
> the SMBLDAP
> > > server via NFS.
> > > Certain apps seem to hang and take a long time (around 10
> minutes) to
> > > start up.  I can't seem to figure it out.  However, once
> Firefox, for
> > > example, starts up, it's very responsive and works fine. 
> The apps with
> > > problems are Firefox, OpenOffice suite and KDE apps (like
> Kalcium).
> 
> What happens if you take NFS out of the equation? Try creating
> a local
> user on the K12LTSP server and give her a non-NFS home
> directory. How
> do the slow apps respond then? Then create a Samba/LDAP user
> but give
> her a local home directory (e.g., "/tmp/username") and see how
> the
> apps respond.
> 
> I'm guessing that you've got NFS locking issues. Every time
> I've seen
> behavior like this that seemed to be the culprit, but an
> update
> has always fixed the problem before I got time to track it
> down
> further and figure out *why* locking was a problem.

I haven't tested that out but I'll take a look at it tomorrow.

I definitely think it's some NFS, DNS, network or permissions
issue.

What kind of update did you do to fix the problem?  You mean
just a 'yum update'?

~ Julian