Paralell startup

Kyrre Ness Sjobak kyrre at solution-forge.net
Wed Oct 20 17:13:02 UTC 2004


ons, 20.10.2004 kl. 19.13 skrev James Harrison:
> > recache its fonts, or maybe ntpdate is syncing with the time server.
> Sometimes daemons fail, so there has to be a mechanism to show a failure.
> 
> What happens if the daemon/service fails that other daemons depend on? Does
> the machine fail to boot properly or does it fail back to a serial boot?
> 

What happens today if a daemon fails, that other daemons depend on?
> 
> 
> --- Jeff Pitman <symbiont at berlios.de> wrote:
> 
> > On Wednesday 20 October 2004 22:53, Arjan van de Ven wrote:
> > > problem with parallel startup is that it *ALSO* increases how much
> > > the disk has to seek, which slows things down. For me it's not clear
> > > if it's actually a real gain or just a placebo one.
> > 
> > It's a gain for those really long startup daemons.  Maybe xfs has to 
> > recache its fonts, or maybe ntpdate is syncing with the time server.
> > 
> > Then again, if Apache were written in a Bash script with all of its 
> > functions in separate script files and configuration spread out in 
> > different files and sourced in, parallelism would be an issue wouldn't 
> > it?
> > 
> > I actually retooled this: http://www.fefe.de/minit/ for Redhat once and 
> > the results were just night and day.  Of course, I didn't run kudzu or 
> > anything complicated like that.  Just brought up the stuff I needed.  
> > You practically don't even need hibernate or sleep when you get it this 
> > good. (Doesn't help with X/GNOME/KDE startup, though) ;-)
> > 
> > have fun,
> > -- 
> > -jeff
> > 
> > -- 
> > fedora-devel-list mailing list
> > fedora-devel-list at redhat.com
> > http://www.redhat.com/mailman/listinfo/fedora-devel-list
> > 
> 
> 
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