perfsonar development work

[Nina Jeliazkova <>]

Hi,

Martin Swany написа:
> Hi Loukik,
>
>>> This is based on my desire to reduce everything to
>>> a simple time-series regardless of whether it is a
>>> series of active measurements, passive measurements
>>> or the EUR/USD exchange rate.  (Actually, I'd rather not
>>> see that last one...  :-)
>> Hoping that I understood your statements correctly, I think it
>> depends on what the users are looking for. As a user, you would
>> probably be happy with graphs showing the way utilisation has changed
>> (?). However, there are certainly other users who want to know the
>> actual value and how saturated the links are.
>
> I don't want to belabor this point, because I'm not really
> advocating complete anarchy here.  I'm just saying that
> the numbers that are graphed are graphed the same way
> regardless of whether they are bits or bytes and that the
> units can (in many cases) simply be copied.  Then the
> user knows whether it was bits or bytes, but the UI
> doesn't really care (and can adapt to new metrics with
> minimal/no effort.)
Yet another (I hope last) example. In order to produce bar chart for
utilization of interfaces (presumably coming from different services),
perfsonarUI needs to have a way to convert between value received from
different services, that is, interpreting valueunit strings.

Regards,
Nina
>
> For derived metrics and automatic alarms, this becomes
> more difficult.  Again, I'm not advocating that we ignore
> this issue, just that we carefully identify when it really is
> an issue.
>
> best,
> martin

-- 
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Dr. Nina Nikolova-Jeliazkova
Institute for Parallel Processing
Bulgarian Academy of Sciences
Acad. G. Bonchev St 25-A
1113 Sofia, Bulgaria
Tel: +359 886 802011
ICQ: 10705013
www: http://ambit.acad.bg/nina
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