[rrd-users] Re: multiple RRAs in a single RRD

[Tobias Oetiker]

Today Jim Breton wrote:

>
> However I have a question.  I have noticed that in some sample
> RRD-creating scripts I've seen online (including the one in the tutorial),
> some people use more than one RRA in a single RRD.
[.....]
> your 5-minute samples.  But I'm sure I must be missing something!

Well having different RRAs is a performance and space toppic ...
when drawing a graph, rrdtool will pull the data from the RRA which
best matches the resolution of the graph you are drawing ...

cheers
tobi

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