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    SubjectRe: [PATCH] speed up SATA
    On Sun, Mar 28, 2004 at 08:29:12PM -0800, Wim Coekaerts wrote:
    > > In 2.4 reaching 512k DMA units that helped a lot, but going past 512k
    > > didn't help in my measurements. 1M maybe these days is needed (as Jens
    > > suggested) but >1M still sounds overkill and I completely agree with
    > > Jens about that.
    >
    > at least 1Mb... more than 1mb (I doubt 32mb is really necessarily
    > useful) is nice for flushing contiguous journal data to disk. between
    > 1-8mb in one io.
    >
    > at least 1mb is good when you have to process massive amounts of data,
    > just read huge chunks of files, we tend to do 1mb. anyway,
    > as you said, at some point it's a bit overkill . I thinkg 1-8mb makes
    > sense.

    1M certainly it's reasonable, though for 8M I've my doubt you can
    measure a throughput improvement, can you?
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