Date: Sun, 21 Aug 2011 14:54:15 +0100 From: Chris Rees <utisoft@gmail.com> To: kilian <kklimek@uos.de> Cc: freebsd-hackers@freebsd.org, "freebsd-rc@freebsd.org" <freebsd-rc@freebsd.org> Subject: Re: Concurrent execution of rc-scripts with rcorder(8) Message-ID: <CADLo83_=jQoNK5dm4QWCLRWNRzu-NLZeAsxaqexm1hKXFpdh7g@mail.gmail.com> In-Reply-To: <20110821121509.GA27730@crane.none> References: <20110821121509.GA27730@crane.none>
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On 21 Aug 2011 13:39, "kilian" <kklimek@uos.de> wrote: > > 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! > > -kilian > I might suggest moving this to rc@. I'll try it later, looks interesting. Chris
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