[rrd-users] Re: Multiple RRAs in one DB

Serge Maandag serge.maandag at staff.zeelandnet.nl
Wed Jan 21 16:17:02 MET 2004

> I'm thinking about having the 1st RRA for 1-hour data, 2nd 
> RRA for 24-hour
> data, 3nd for 1-month, and 4th for 1-year.
> Does this sound feasible?

Who knows. I don't know what you're graphing, don't know how
many times you plan to update your database and I don't know
how many rows you plan to put in your RRA's.

e.g. a 1 hour sample RRA with 5 rows would seem silly to me.

> What's the maximum number of Round Robin
> Archives (RRAs) one database can have?

Don't know, but there can be a lot of RRA's in a RRD.
You'll probably have performance issues before you get to the
maximum. Updating RRD's with 100 big RRA's can give your system
a headache.


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