when startup delays become bugs

Bill Nottingham notting at redhat.com
Wed May 15 16:15:21 UTC 2013

Jeffrey Bastian (jbastian at redhat.com) said: 
> On Tue, May 14, 2013 at 03:51:44PM -0600, Chris Murphy wrote:
> > But firewalld goes from 7 seconds to 18 seconds? Why? avahi-daemon,
> > restorecond, all are an order of magnitude longer on F19 than F18.
> And it was even faster on F17.  I had F17 cold booting to a usable
> Xfce desktop in 3.6 seconds by following Harald Hoyer's guide [1]:
>   Startup finished in 1470ms (kernel) + 2130ms (userspace) = 3601ms
> But F18 and F19 now take 16 seconds on the same system:
>   Startup finished in 1.061s (kernel) + 15.299s (userspace) = 16.361s
> The slowest component on F19 is this new "wait" service:
>          10.102s NetworkManager-wait-online.service

This shouldn't be enabled by default, as Lennart has said - it
should only be brought in unconditionally when there's a network
filesystem to be mounted at boot; otherwise only on admin configuration.


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