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    SubjectRe: 2.5.32 IO performance issues
    On Thu, 29 Aug 2002, Badari Pulavarty wrote:

    > I am having severe IO performance problems with 2.5.32 (2.5.31 works fine).
    > I was wondering what caused this.
    >
    > As you can see, IO rate went from
    >
    > 384MB/sec with 6% CPU utilization on 2.5.31
    > to
    > 120MB/sec with 19% CPU utilization on 2.5.32
    >
    > Any idea ?

    384 MB/s is suspiciously fast. What kind of disk subsystem
    do you have to achieve that speed ?

    Or did 2.5.31 keep the dirty data in memory, instead of
    writing it to disk ? ;)

    regards,

    Rik
    --
    Bravely reimplemented by the knights who say "NIH".

    http://www.surriel.com/ http://distro.conectiva.com/

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