[Cdash] Performance Issues

[Julien Jomier]

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
>>> _______________________________________________
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>>> Cdash at public.kitware.com
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>>>
>