Messages in this thread | | | Subject | Re: [BUG] 2.4 VM sucks. Again | From | Austin Gonyou <> | Date | 24 May 2002 12:30:05 -0500 |
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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!
> Nah, we just haven't fixed them yet ;-) > > M. > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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