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    SubjectRe: [BUG] 2.4 VM sucks. Again
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    Just to clarify, it was Sparc v. x86. (which is what I meant to state in
    my first sentence there. :)

    On Mon, 2002-05-27 at 17:24, Austin Gonyou wrote:
    > I'm not referring to just *non* x86 arches in this case. Sorry about
    > that. Any setup can be non-monolithic, but the measurement to decide if
    > it is cost worthy is price/performance ratio.
    >
    > I'm not saying that "if it's not x86, it's monolithic", in the context
    > of the discussion, it's really about large costly boxes, designed to be
    > large, costly boxes. That, from this perspective, is monolithic.
    >
    >
    > On Mon, 2002-05-27 at 04:24, Marco Colombo wrote:
    > > On 24 May 2002, Austin Gonyou wrote:
    > >
    > > > On Fri, 2002-05-24 at 11:31, Martin J. Bligh wrote:
    > > > > >> I'm not sure exactly what Roy was doing, but we were taking a machine
    > > > > >> with 16Gb of RAM, and reading files into the page cache - I think we built up
    > > > > >> 8 million buffer_heads according to slabinfo ... on a P4 they're 128 bytes each,
    > > > > >> on a P3 96 bytes.
    > > > > >
    > > > > > The buffer heads one would make sense. I only test on realistic sized systems.
    > > > >
    > > > > Well, it'll still waste valuable memory there too, though you may not totally kill it.
    > > > >
    > > > > > Once you pass 4Gb there are so many problems its not worth using x86 in the
    > > > > > long run
    > > > >
    > > > I assume that you mean by "not worth using x86" you're referring to say,
    > > > degraded performance over other platforms? Well...if you talk
    > > > price/performance, using x86 is perfect in those terms since you can buy
    > > > more boxes and have a more fluid architecture, rather than building a
    > > > monolithic system. Monolithic systems aren't always the best. Just look
    > > > at Fermilab!
    > >
    > > Uh? There are many alpha-based clusters out there. Why do you think
    > > !x86 == monolithic?
    > >
    > > .TM.
    > > --
    > > ____/ ____/ /
    > > / / / Marco Colombo
    > > ___/ ___ / / Technical Manager
    > > / / / ESI s.r.l.
    > > _____/ _____/ _/ Colombo@ESI.it
    > >
    > -
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