On 05.02.2014 06:40, Martin Pitt wrote:
Yes, agreed. I'm not concerned about cups' start up time, that's
negligible. I'm primarily concerned about the time that it takes to
detect remote printers, as they are only advertised/broadcast every so
often (30s?). For that I think we ought to have at least avahi running
permanently, so that it can pick up remote services and then when
cups/cups-browsed get activated they can immediately use remote
printers. That assumes that it's actually avahi-daemon which
stores/caches those; if that's not the case, then cups-browsed needs
to run all the time instead.
pitti, I remember that the old CUPS broadcasting (by CUPS itself,
without Avahi/Bonjour) was happening only every 30 sec. The new
Avahi/Bonjour method seems to be faster. But note that for testing I
have run the following script
----------
sudo stop cups-browsed
sudo stop cups
sudo stop avahi-daemon
sleep 10
sudo start avahi-daemon
sudo start cups
sudo start cups-browsed
watch lpstat -v
----------
Now I do not know whether avahi-daemon is creating a cache file to
conserve the cached items while being shut down and restarted later.
With this script the queues appear in ~4 sec.
Till
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