Bug#430965: gnome-cups-manager: Extremely unpleasant to network server

Loïc Minier lool at dooz.org
Thu Jun 28 15:36:40 UTC 2007


tag 430965 + confirmed
severity 430965 important
stop

        Hi,

On Wed, Jun 27, 2007, John Goerzen wrote:
> gnome-cups-manager polls cups about all printers every few seconds.
> We run this on many clients, and have dozens of printers defined.
> Each client does not run a local cupsd, but instead has cupsys-client 
> installed, with a line in /etc/cups/client.conf that directs them to the 
> central server.
> The result is pretty much the same as a denial of service attack on the 
> server.  All these clients sending all these requests so frequently is 
> running the server into the ground.

 Thanks for your report; it's certainly not a good design of
 gnome-cups-manager to scale so badly, but this doesn't look release
 critical to me.

 gnome-cups-manager is pretty much quiet upstream, and it's slacking in
 plenty of ways already, but it's still useful for small setups and
 provides functionality for which we do not have alternatives right now.

 It is my understanding that RedHat is using a different tool for these
 tasks, so the best outcome would probably be to replace g-c-m with such
 a tool which will probably scale better.

 If you prefer spending time improving g-c-m instead, then I think we
 would take a patch to use a GConf-configurable timeout instead; this
 would be easy to set globally on your installation.

   Bye,
-- 
Loïc Minier




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