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    SubjectRe: direct (unbufferd) disk access

    On Sat, 26 Jun 1999 00:06:53 -0400, Douglas Gilbert
    <> said:

    > You may like to look at:

    > [and follow the "timings" link]

    > to get a feeling for what direct versus indirect IO is
    > costing you. Reasonably standard i386 hardware can get
    > you 20 to 30 MB/sec throughput using "indirect IO".

    Given that we have clocked reasonably standard i386 hardware with fast
    disks at 50 or 60 MB/sec through the filesystem, I doubt that the
    indirect IO is the bottleneck in those cases.


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