Re: systemd (Was Re: tmpfs for strategic directories)

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On Wed, 2010-05-26 at 11:32 -0500, Michael Cronenworth wrote:

> OTOH, why is this even a sub-topic in this sub-topic of a thread? I'd 
> love to see some numbers from the complainers about scripting being 
> slow. I have a normal Fedora 13 x86_64 system that boots through 
> initscripts in under 10 seconds. Normal services are starting as I have 
> not "tweaked" my service list. Unless Fedora needs a 1 second boot time 
> (hey I wouldn't complain) do we really need to spend time on 100+ email 
> threads and jump through multiple init systems to find that perfect 
> solution? I've read similar claims of salvation when upstart was being 
> marketed to replace SysVinit. "Everyone will switch to native scripts 
> and everything will be better!" Has everyone switched to native upstart 
> scripts? AFAIK - No. Will everyone switch to systemd native scripts? I'm 
> betting - no.

My anecdotal evidence is up the same alley, FWIW - I have a system with
a rather fast SSD in it and it completes the entire boot process, on
F13, in 13 seconds or so. Which rather indicates that scripts aren't
wasting a significant amount of time, and a lot of the time lost on more
conventional systems is waiting for disk access.

Has anyone run bootchart on Fedora lately? I remember we did something
of a co-ordinated effort on it in F11, but I don't think it's happened
on F12 or F13. That would give us an indication of where our startup
bottlenecks *actually* are. Maybe I'll throw up a blog post on that
later today, I have three rather different F13 systems to do it on now.
-- 
Adam Williamson
Fedora QA Community Monkey
IRC: adamw | Fedora Talk: adamwill AT fedoraproject DOT org
http://www.happyassassin.net

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