[Cdash] Performance Issues

[Bill Lorensen]

So on the internal machine, how many elephants do you count to bring
up an ITK Test/Summary page as reported in:
http://public.kitware.com/Bug/view.php?id=6517

Bill

On Thu, Mar 6, 2008 at 11:59 AM, Julien Jomier
<julien.jomier at kitware.com> wrote:
> Bill,
>
> We are actually forwarding ITK and CMake dashboards to one of our
> internal machine and I'm not seeing any major performance issues but I'd
> like to have CDash on public run a little bit better.
>
> Julien
>
>
> Bill Lorensen wrote:
> > Julien,
> >
> > Would it be possible to run cdash on another machine? Especially early
> > in its development, it's hard to assess performance on a heavily
> > loaded machine. I remember that early Dart2 performance problems were
> > not Dart2 issues but rather other loads on the system we were using.
> > Perception is sometimes more influential than reality.
> >
> > Bill
> >
> > On Thu, Mar 6, 2008 at 11:44 AM, Julien Jomier
> > <julien.jomier at kitware.com> wrote:
> >> Bill,
> >>
> >> Thanks a lot for the report. This is really helpful.
> >> I'm working on these issues. There is a part of tuning, but also a part
> >> of Dart1 rollup that is using a lot of CPU on public.kitware. This
> >> latter should go away when we stop using Dart1. As you know, we are
> >> running a lot of services off of public.
> >>
> >> I'm keeping an eye on these issues.
> >>
> >> Julien
> >>
> >>
> >> Bill Lorensen wrote:
> >>> As suggested earlier, I've started to add performance issues to the
> >>> bug tracker. It might be helpful if each page showed the generation
> >>> time at the bottom of the page (like on the main dashboard page).
> >>> Right now I use the one elephant, two elephant technique.
> >>>
> >>> I find the overall feel of the ITK dashboard to be sluggish in
> >>> general. A mid-day dashboard view of ITK usually takes over 5 seconds.
> >>> The Cmake dashboard is very responsive, but CMake has a small number
> >>> of tests compared to ITK.
> >>>
> >>> I am not a expert, but these performance issues probably have to do
> >>> with database tuning, index selection, batching queries, etc. I
> >>> remember back in the GE CRD Frost days, that Dan Blezek did a lot of
> >>> tweaking early on. I think he also built some page mechanisms.
> >>>
> >>> I know CDash is still in beta, but I think performance improvement
> >>> should be the top priority. Early impressions are important.
> >>>
> >>> Bill
> >>> _______________________________________________
> >>> Cdash mailing list
> >>> Cdash at public.kitware.com
> >>> http://public.kitware.com/cgi-bin/mailman/listinfo/cdash
> >>>
> >
>