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    SubjectRe: Direct io on block device has performance regression on 2.6.x kernel
    David Lang <dlang@digitalinsight.com> wrote:
    >
    > (I've seen a 50%
    > performance hit on 2.4 with just a thousand or two threads compared to
    > 2.6)

    Was that 2.4 kernel a vendor kernel with the O(1) scheduler?
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