lkml.org 
[lkml]   [2005]   [Apr]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    SubjectRe: bdflush/rpciod high CPU utilization, profile does not make sense
    From
    Date
    on den 06.04.2005 Klokka 18:01 (+0200) skreiv Jakob Oestergaard:
    > What do I do?
    >
    > Performance sucks and the profiles do not make sense...
    >
    > Any suggestions would be greatly appreciated,

    A look at "nfsstat" might help, as might "netstat -s".

    In particular, I suggest looking at the "retrans" counter in nfsstat.

    When you say that TCP did not help, please note that if retrans is high,
    then using TCP with a large value for timeo (for instance -otimeo=600)
    is a good idea. It is IMHO a bug for the "mount" program to be setting
    default timeout values of less than 30 seconds when using TCP.

    Cheers,
    Trond

    --
    Trond Myklebust <trond.myklebust@fys.uio.no>

    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-04-06 23:33    [W:0.019 / U:0.156 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site