On-demand starting/stopping of cups [was: [Blueprint client-1305-printing-stack-with-mobile-in-mind] Printing Stack with Mobile in Mind]

Steve Langasek steve.langasek at ubuntu.com
Tue Feb 4 17:38:37 UTC 2014


On Tue, Feb 04, 2014 at 06:13:20PM +0100, Oliver Grawert wrote:
> Am Dienstag, den 04.02.2014, 20:26 +0400 schrieb Dmitry Shachnev:

> > On Tue, Feb 4, 2014 at 2:18 PM, Oliver Grawert <ogra at ubuntu.com> wrote:
> > > is it actually a less rare task on a desktop ?

> > > apart from a professional office desktop I'd say printing at home is
> > > nowadays nearly as rare from desktops as it might be from
> > > phones/tablets.

> > I disagree, I print something from my (home) desktop every week. Also,
> > for most printers you need to be connected with a wire to print
> > something, which makes printing from phones/tablets quite difficult,
> > if possible at all.

> so does "every week" mean once a week ? for that 10 mins you surely dont
> need to run the daemon for 7 days ... (even if you in summary spend 1h
> printing per week i would doubt it is worth running the daemon all the
> time)

Actually, it's even more than that... the typical home desktop isn't kept
powered on 24/7, so if we're doing on-demand activation, then chances are
you'll still hit that startup penalty each time you print, whether or not
we shut down cups again when not in use.

In which case, I think it does make sense to auto-stop cups in the common
case (i.e., no shared queues).

-- 
Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
Ubuntu Developer                                    http://www.debian.org/
slangasek at ubuntu.com                                     vorlon at debian.org
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