Re: Please help me tune FreeBSD for bulk.fefe.de/scalability/

From: Jeff Roberson (jroberson_at_chesapeake.net)
Date: 10/25/03

  • Next message: Oliver Lehmann: "Re: Please help me tune FreeBSD for bulk.fefe.de/scalability/" 
    Date: Fri, 24 Oct 2003 20:13:48 -0400 (EDT)
To: Lukas Ertl <l.ertl@univie.ac.at>

    On Sat, 25 Oct 2003, Lukas Ertl wrote:

    > On Fri, 24 Oct 2003, Felix von Leitner wrote:
    >
    > > Please also tell me if you have suggestions for other benchmarks that
    > > say something about the scalability of an operating system, that I could
    > > (and should) include in my benchmark suite.
    >
    > If you have some spare time, I'd really be interested in how the new
    > SCHED_ULE scheduler compares against the traditional (default) SCHED_4BSD
    > scheduler (although SCHED_ULE has been designed for SMP, some UP results
    > are sure nice to have).

    ULE has developed some performance problems. I'm not sure where they came
    from but I will be working on it in the next few weeks. Until then I
    wouldn't recommend any benchmarking with it unless the CPU affinity will
    really be a huge win.

    >
    > Regarding performance tuning: did you already look at accf_http(9) and/or
    > accf_data(9)? (Although it would probably need some rewrite of your
    > code...)
    >
    > regards,
    > le
    >
    > --
    > Lukas Ertl eMail: l.ertl@univie.ac.at
    > UNIX Systemadministrator Tel.: (+43 1) 4277-14073
    > Vienna University Computer Center Fax.: (+43 1) 4277-9140
    > University of Vienna http://mailbox.univie.ac.at/~le/
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    >

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  • Next message: Oliver Lehmann: "Re: Please help me tune FreeBSD for bulk.fefe.de/scalability/"

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