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    SubjectRe: [PATCH 0/6] fs: Scalability of sockets/pipes allocation/deallocation on SMP
    On Thu, 27 Nov 2008, Eric Dumazet wrote:

    > The last point is about SLUB being hit hard, unless we
    > use slub_min_order=3 at boot, or we use Christoph Lameter
    > patch (struct file RCU optimizations)
    > http://thread.gmane.org/gmane.linux.kernel/418615
    >
    > If we boot machine with slub_min_order=3, SLUB overhead disappears.


    I'd rather not be that drastic. Did you try increasing slub_min_objects
    instead? Try 40-100. If we find the right number then we should update
    the tuning to make sure that it pickes the right slab page sizes.


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