[rrd-developers] interleaving RRD files, RRDfs perhaps?

Tobias Oetiker tobi at oetiker.ch
Fri Oct 3 14:03:35 CEST 2008

Hi Daniel,

Today Daniel.Pocock at barclayscapital.com wrote:
> Yes, that seems like a possibility - but many applications, such as
> Ganglia, create new RRDs on the fly.  Therefore, there would need to be
> some way of creating an optimal number of empty DSes in advance, and
> then mapping them to application-specific names when they are needed.
> This logic could be implemented in the app or rrdtool.

:-) yes there is some management overhead ... but then again there
is always a price to pay.

> Implementing within rrdtool in a way that preserves the existing rrdtool
> API seems to be desirable - perhaps the different operating mode could
> be enabled by some kind of environment variable and/or an rrdtool
> configuration file in /etc?

I think this leads to the rrd as a dbms discussion we touched a few
days ago on the list. This would open up up many possibilities but
also have to potential of makeing things a lot more complex. In my
eyes it is primarily a matter of finding a really clever design for
something like this.


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Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900

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