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    SubjectRe: Ocfs2 performance bugs of doom
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    Mark Fasheh <mark.fasheh@oracle.com> writes:

    > On Sun, Mar 05, 2006 at 08:59:50PM -0800, Daniel Phillips wrote:
    > > So that hack apparently improves the bucket distribution quite a bit, but
    > > look, the bad old linear systime creep is still very obvious. For that
    > > there is no substitute for lots of buckets.
    > Yes, I think the way to go right now is to allocate an array of pages and
    > index into that. We can make the array size a mount option so that the
    > default can be something reasonable ;)

    Did you actually do some statistics how long the hash chains are?
    Just increasing hash tables blindly has other bad side effects, like
    increasing cache misses.

    -Andi
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