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    SubjectRe: bdflush/rpciod high CPU utilization, profile does not make sense
    On Wed, Apr 06, 2005 at 06:01:23PM +0200, Jakob Oestergaard wrote:
    >
    > Problem; during simple tests such as a 'cp largefile0 largefile1' on the
    > client (under the mountpoint from the NFS server), the client becomes
    > extremely laggy, NFS writes are slow, and I see very high CPU
    > utilization by bdflush and rpciod.
    >
    > For example, writing a single 8G file with dd will give me about
    > 20MB/sec (I get 60+ MB/sec locally on the server), and the client rarely
    > drops below 40% system CPU utilization.

    How large is the client's RAM? What does the following command report
    before and during the write?

    egrep 'nfs_page|nfs_write_data' /proc/slabinfo

    Greg.
    --
    Greg Banks, R&D Software Engineer, SGI Australian Software Group.
    I don't speak for SGI.
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