perfsonar development work

[Szymon Trocha <>]

Ilias Tsompanidis wrote:
> Jason Zurawski wrote:
> > Ilias;
> >
> >
> > > > > > I think that if rrd has been created then data were accepted. I'm 
> > > > > > not sure about rrdtool itself how/if this keeps only single value.
> > > > What's the problem?
> > > I've been populating the rrd-ma via the Store functionality and I  
> > > ... can't find the data I stored.
> > > Just for testing purposes, i let a script send Storerequests with the 
> > > same data, for "current" timestamps , every 3 minutes all night. Then 
> > > I passed the key to a SetupDataRequest, and all I've got was "0"... 
> >
> > If you were always sending the same data, the change in data over time 
> > would be 0, so it is behaving correctly :)

Exactly. RRD doesn't store actual data (at least those pS is using) but 
it calculates delta and then stores average bps.

> You're probably right, but the thing is that I am supposed to be sending 
> bps - a data rate.

You are supposed to send counter value i.e. number o bits read from your 
interface.

Regards,
--
Szymon Trocha

Poznan Supercomputing & Ntw. Center ::: NETWORK OPERATION CENTER
Tel. (+48 61) 8582022
http://noc.man.poznan.pl  ::: http://noc.pionier.gov.pl