[rrd-users] Re: simple question, please don't discard

Bas Rijniersce bas at brijn.nu
Sun Jan 12 17:50:28 MET 2003


Hi,

....

> OK, check this example in rrdcreate manual:
> "rrdtool create temperature.rrd --step 300	\
> 	DS:temp:GAUGE:600:-273:5000					\
> 	RRA:AVERAGE:0.5:1:1200						
	\
> 	RRA:MIN:0.5:12:2400							
	\
> 	RRA:MAX:0.5:12:2400							
	\
> 	RRA:AVERAGE:0.5:12:2400"
> 
> There are four RRA's defined, BUT it does not fitting to your idea...
> 3 RRAs were defined with absolutely same conditions, why? Which of them
> is being used?

The consolidation viewed from the number of measurements is the same true. But 
in this case the selected ConsolidationFunctions are different. One RRA to 
calculate the Average, one for MIN values one for Max.. The fourth is identical 
to the earlier example, just another resolution/timespan combi.

> asd

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