Re: Automated performance testing

From: Arne (arne_woerner_at_yahoo.com)
Date: 01/31/05

  • Next message: Alexander Leidinger: "Re: Automated performance testing" 
    Date: Mon, 31 Jan 2005 07:54:04 -0800 (PST)
To: Robert Watson <rwatson@FreeBSD.org>, "Jim C. Nasby" <decibel@decibel.org>

    --- Robert Watson <rwatson@FreeBSD.org> wrote:
    > On Sun, 30 Jan 2005, Jim C. Nasby wrote:
    > > With all the discussion of performance testing between 4.11,
    > > 5.3, and Linux, would it be useful to make performance
    > > testing part of the automated testing that already occurs
    > > (via tinderbox, iirc). Doing so might make it easier to
    > > detect performance impacting changes, as well as
    > > making performance testing easier in general.
    >
    > Yes, it would be quite valuable.
    > [...]
    > I'd really like to see a small and fairly well-defined set of
    > tests run every couple of days so we can show long term graphs,
    > and catch regressions quickly.
    >
    Me, too.

    > Unfortunately, this is a bit harder than tinder-boxing,
    > because it involves swapping out whole system
    > configurations, recovering from the inevitable failure modes,
    > etc, which proves to be the usual sticking point in
    > implementing this.
    >
    Hmm...

    I believe, that a "dd bs=128k count=1000 of=/dev/null" (maybe with
    several iseek values) would be sufficient to detect the worst
    disadvantages.

    That test should be done on at least one box (always the same if
    possible), whenever a hard disc is changed (then the box has
    changed a little bit), and whenever there is a new release or some
    development progress.

    > However, I'd love to see someone work on it :-).
    >
    Me, too.

    May I try, please?

    Maybe I should admit, that I damaged my slices and partitions some
    days ago, but now everything works fine again... :-))

    -Arne

                    
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