Re: How can Mountain Lion boot so fast?
Re: How can Mountain Lion boot so fast?
- Subject: Re: How can Mountain Lion boot so fast?
- From: Andrew Gallatin <email@hidden>
- Date: Mon, 20 May 2013 19:21:56 -0400
On 05/20/2013 05:30 PM, Nick Blievers wrote:
> I'm guessing your Retina Display MacBook Pro boots from an SSD. SSD's are insanely good (compared to spinning disks) at random, concurrent access, as happens during boot. Even my Windows system boots pretty quickly these days thanks to the SSD…. and my OSX on a spinning disk is relatively slow to start up.
>
> launchd is also pretty neat, it allows concurrent start up of daemons (is linux start up still controlled via scripts and sequential? Its been a while since I've had anything to do with linux), and also on-demand start up, which pushes
It depends what "linux" you're talking about. Ubuntu & Fedora use
newfangled launchd-ish things like upstart and systemd, and boot almost
instantly. RHEL still uses traditional SysV init scripts. Ubuntu 12.04
boots in about 8 seconds (in a VM). The nice thing about Ubuntu is that
they've maintained enough of the SysV init stuff for backwards compat to
be mostly seemless for 3rd party startup scripts.
Drew
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