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    SubjectRe: Linux 2.4.18pre3-ac1
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    > in the "Writeout in recent kernels..." thread) on this release. Performance and
    > observed writeout behavior was essentially the same as for 2.4.17, both stock
    > and with -rmap11a. Transfer time was 6:56 and writeout was uneven. 2.4.13-ac7 is
    > still the winner by a significant margin.

    That is very useful information actually. That does rather imply that some
    of the performance hit came from the block I/O elevator differences in the
    old ac tree (the ones Linus hated ;)). Now the question (and part of the
    reason Linus didnt like them) - is why ?

    Alan
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