[rrd-users] Re: Question on RRA and number of rows

[Serge Maandag]

> will there be any performance impact if the number of 
> specified "rows" is set very high?
> 

Yes. The file will be bigger. 

It has to be opened, all the rows will have to be shifted 
(o.k., that's not too hard) en the file will have to be rewritten
Each time you update.

And with every "rrdtool graph" a lot of rows will have to be averaged.

Whether it's a piece of cake for your hardware or not: I don't know.
A matter of 'trying is knowing', I think.

Serge.


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