[rrd-users] Re: RRD-Implementation of Aberrant Behavior Detection

[ch_cu2 at yahoo.fr]

Hi Christoph,

We've recently begun testing the HoltWinters algorithm... and that's not 
that easy to configure. I mean, the setting of the alpha, beta, etc. all 
depends to the particular behavior & nature of your data sources. Thus, 
a particular set of values may become outdated if the nature of your 
data source's evolution changes over time. A concrete example: we got a 
firewall monitored, which was on a relatively peaceful network. Then a 
bulky web application was added, which modified slightly the behavior of 
the traffic on this firewall...

So, nothing easy, but definitively useful... And of course any advice 
and question will be welcomed!

PS: we are not using RRDTool itself but a c# port that we've built and 
which, relying on the same specifications, is supposed to do the same 
aberrant behavior detection.

Cheers,
Christian

Baumann, Christoph a écrit :
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> Hi,
>
> =20
>
> I use rrdtool to store a lot of data about interfaces, cpu, memory ect.
>
> =20
>
> As I use a combination of rrdtool (the greatest) and draw (also the
> greatest) see: http://web.taranis.org/drraw/=20
>
> I feel now ready for struggling with "RRD-Implementation of Aberrant
> Behavior Detection"
>
> =20
>
> I made all RRA's with the Option "RRA:HWPREDICT:1440:0.1:0.0035:288".=20
>
> =20
>
> So I am ready for it. But what does it mean? A bit I can see here:=20
> http://oss.oetiker.ch/rrdtool/doc/index.en.html
>
> A very good, but form the year 2000 you can find here:=20
> http://cricket.sourceforge.net/aberrant/rrd_hw.htm
> <http://cricket.sourceforge.net/aberrant/rrd_hw.htm>=20
>
> =20
>
> But how do they work together? Who does work with this Feature and likes
> to exchange some experiences ??
>
> =20
>
> =20
>
> Christoph Baumann
>
> =20
>
> =20
>
>
>
>
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