[rrd-users] Aggregate/combine several RRDs

Raimund Berger raimund.berger at gmail.com
Fri Jun 20 12:14:52 CEST 2008

Erik de Mare <erik at oezie.org> writes:

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> <485B59E8.5070709 at uni-c.dk> <87lk101rkx.fsf at gigli.quasi.internal>
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> On Fri, 20 Jun 2008 09:41:18 +0200, "Raimund Berger"
> <raimund.berger at gmail.com> wrote:
>> Jesper Skou Jensen <jesper.skou.jensen at uni-c.dk> writes:
>>> Thank you for your answers guys, now I'll just have to whip up a little
>>> script to go through the RRD's.
>> I'm not currently aware of rrdtool directly supporting this kind of
>> intermediate RRDs, but would be interested to hear if somebody made
>> an attempt on this and got it working.
> I once did something like this. it takes all the rrdfiles from the dir and
> graphs them in 1 PNG.(assuming that all the rrdfile have the same DS and
> RRA.)
> http://haas.oezie.org/~erik/allesbijelkaar.pl 
> example output: http://haas.oezie.org/~erik/total.png the numbers are all
> the same because I copied the same file over and over again.

Right, that's exactly what OP was asking about (and maybe even for) I
guess. That script nicely demonstrates how to stack up several sources
and computations on their data for a single graph call.

Thanks, R.

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