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    SubjectRe: [PATCH] improve the performance of large sequential write NFS workloads
    > On Tue, 2009-12-22 at 13:25 +0100, Jan Kara wrote:
    > > I believe that if we had per-bdi dirty_background_ratio and set it low
    > > for NFS's bdi,
    >
    > There's two things there I think:
    > 1) bdi_background
    > 2) different background ratios per bdi
    Right.

    > 1) could be 'trivially' done much like we do bdi_dirty in
    > get_dirty_limits().
    >
    > 2) I'm not at all convinced we want to go there.
    Yeah. Doing 1) and playing with bdi->min_ratio and bdi->max_ratio should
    be the first thing we should try...

    Honza
    --
    Jan Kara <jack@suse.cz>
    SuSE CR Labs


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