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    SubjectRe: [OT] speeding boot process (was Re: [ANNOUNCE] hotplug-ng 001 release)
    On Mon, 14 Feb 2005 18:45:20 -0500, Lee Revell <rlrevell@joe-job.com> wrote:
    > On Mon, 2005-02-14 at 15:21 -0800, Roland Dreier wrote:
    > > Lee> I don't see why so much effort goes into improving boot time
    > > Lee> on the kernel side when the most obvious user space problem
    > > Lee> is ignored.
    > >
    > > How much of a win is it to run init scripts in parallel? I seem to
    > > recall seeing tests that show that it doesn't make much difference and
    > > may even slow things down by causing more disk seeks as various things
    > > start up at the same time and cause reads of different files to get
    > > interleaved.
    > >
    >
    > This is why Windows XP reserves sapce at the beginning of the disk for
    > the files read during the boot process and caches copies of them there.
    >
    > But, I was referring more to things like GDM not being started until all
    > the other init scripts are done. Why not start it first, and let the
    > network initialize while the user is logging in?
    >
    > > On the other hand, hotplug is an area that real profiling of real
    > > systems booting has identified as something that can be improved, and
    > > Greg's hotplug-ng seems to be a step towards a measurable improvement.

    Did anyone measure the improvement ?

    --
    Paolo <paolo dot ciarrocchi at gmail dot com>
    msn: paolo407@hotmail.com
    hello: ciarrop
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