[prev in list] [next in list] [prev in thread] [next in thread] 

List:       ltsp-discuss
Subject:    Re: [Ltsp-discuss] Performance problem.
From:       Thierry Dumont <tdumont () math ! univ-lyon1 ! fr>
Date:       2012-11-06 6:52:25
Message-ID: 5098B3A9.8070309 () math ! univ-lyon1 ! fr
[Download RAW message or body]

As we posted, we found the solution: configure  qt correctly.
Now, it works perfectly with Ubuntu 12.04.
Upgrading to at least a lts version is necessary for us: recent versions 
of compilers, of libraries, of libreoffice, of tekmaker and so on...

Thanks
t.

Le 06/11/2012 07:28, Peter D Knight a écrit :
> I know it's not very helpfull, but 8.04 with lts4.2 works like a dream.
> You have to have some clients with at least 256MB and preferably 500mb
> for 12.04 to perform.
> For me it's the applications that are important. If the o/s is stable I
> don't need to upgrade.
> Peter
>
> On Wed, Oct 31, 2012 at 10:15 AM, Thierry Dumont
> <tdumont@math.univ-lyon1.fr <mailto:tdumont@math.univ-lyon1.fr>> wrote:
>
>     We switched recently from Ubuntu 10.04 to Ubuntu 12.04 (servers, ltsp
>     server, ltsp client).
>
>     Since then, our system as turned *extremely* *slow*; the worst is
>     attained when using KDE products like Kile (not only when logged in the
>     KDE environment, but also in Gnome), which cannot be used (wait some
>     seconds when moving the mouse!).
>
>     It seems that, since we upgraded, there is a huge X11 traffic between
>     the server and the clients.
>
>     Also: we tried the *new* client system (ltsp from Ubuntu 12.04),
>     connecting to "old" servers (10.04): everything works reasonably fast.
>
>     It seems that the problem comes from the servers (12.04). Does anybody
>     has encountered such problem?
>
>     A capture of the X11 traffic between a 12.04 server and a client can be
>     found there:
>     http://math.univ-lyon1.fr/homes-www/tdumont/capture/
>
>     Our clients are very classical machines like hp thin clients.
>
>     Than you in advance.
>     t.d.
>
>     ------------------------------------------------------------------------------
>     Everyone hates slow websites. So do we.
>     Make your web apps faster with AppDynamics
>     Download AppDynamics Lite for free today:
>     http://p.sf.net/sfu/appdyn_sfd2d_oct
>     _____________________________________________________________________
>     Ltsp-discuss mailing list.   To un-subscribe, or change prefs, goto:
>     https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
>     For additional LTSP help,   try #ltsp channel on irc.freenode.net
>     <http://irc.freenode.net>
>
>
>
>
> --
> Peter D Knight
> 22 Westfort Rd
> Houtbay
> 7806
> +27(21)7903579
>
>
> ------------------------------------------------------------------------------
> LogMeIn Central: Instant, anywhere, Remote PC access and management.
> Stay in control, update software, and manage PCs from one command center
> Diagnose problems and improve visibility into emerging IT issues
> Automate, monitor and manage. Do more in less time with Central
> http://p.sf.net/sfu/logmein12331_d2d
>
>
>
> _____________________________________________________________________
> Ltsp-discuss mailing list.   To un-subscribe, or change prefs, goto:
>        https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
> For additional LTSP help,   try #ltsp channel on irc.freenode.net
>


["tdumont.vcf" (text/x-vcard)]

------------------------------------------------------------------------------
LogMeIn Central: Instant, anywhere, Remote PC access and management.
Stay in control, update software, and manage PCs from one command center
Diagnose problems and improve visibility into emerging IT issues
Automate, monitor and manage. Do more in less time with Central
http://p.sf.net/sfu/logmein12331_d2d

_____________________________________________________________________
Ltsp-discuss mailing list.   To un-subscribe, or change prefs, goto:
      https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
For additional LTSP help,   try #ltsp channel on irc.freenode.net


[prev in list] [next in list] [prev in thread] [next in thread]