Skip site navigation (1)Skip section navigation (2)
Date:      Sun, 21 Aug 2011 16:18:10 +0200
From:      joris dedieu <joris.dedieu@gmail.com>
To:        kilian <kklimek@uos.de>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: Concurrent execution of rc-scripts with rcorder(8)
Message-ID:  <CAPd55qAp0LqK9ysY%2BBwf-hXRTtWqV2SCe8qOow_JXfRDDFDbCw@mail.gmail.com>
In-Reply-To: <20110821121509.GA27730@crane.none>
References:  <20110821121509.GA27730@crane.none>

next in thread | previous in thread | raw e-mail | index | archive | help
2011/8/21 kilian <kklimek@uos.de>:
> Hello,
>
> the idea to start services concurrently during boot isn't new and the
> question why FreeBSD doesn't do it has popped up on the forum and
> mailing list occasionally. So, why not give it a shot?
>
> rcorder(8) is normally used during boot to bring the rc-scripts into a
> particular order, so when they are executed linearly by /etc/rc, all
> constraints will be satisfied. I modified rcorder(8) to enable it to
> run rc-scripts concurrently, while keeping track of the constraints as
> rc-scripts start and finish. You can find the code at
> https://github.com/kil/rcorder. As it works now, it will fall back to the
> current mode of execution if anything goes wrong. So, if worst comes to
> worst, booting takes a bit longer.
>
> If you feel brave, give it a try (Actually, not too much bravery is needed:
> on all boots of my machine it worked perfectly every time.)
>
> I haven't done any measurements yet on how large the speedup is, but booting
> feels a bit faster with it. Also, there probably is room for improvement.
> Any ideas and feedback are very welcome!

There is another implementation which had been posted here (maybe)
some times ago. Maybe a good thing to compare.

https://github.com/buganini/rcexecr

Joris
>
> -kilian
> _______________________________________________
> freebsd-hackers@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-hackers
> To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"
>



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAPd55qAp0LqK9ysY%2BBwf-hXRTtWqV2SCe8qOow_JXfRDDFDbCw>