[rrd-users] Re: RRA:MAX not acting like I thought when "multiple updates in a single step"

Alex van den Bogaerdt alex at ergens.op.het.net
Sat Aug 9 13:04:52 MEST 2003

On Fri, Aug 08, 2003 at 04:01:50PM -0400, Jean-Francois Patenaude wrote:

[snip long example; see archive for it]

> rrdtool create test.rrd --step 60 --start 900000000 DS:test:GAUGE:600:0:100 RRA:MAX:0.5:1:576

> Question
> --------
> Why don't I see 50 appear somewhere in the fetch ?   Am I missing
> something ?  It looks like when multiple updates are made in a single
> step there is some kind of aggregation going on.  Is it possible to have
> that aggregation go by the same rule as the RRA consolidation goes ?

You asked for 60 seconds per interval.  None of the 60-second intervals
had a maximum rate of 50.

Try the following:

rrdtool create test.rrd --step 1 --start 900000000 DS:test:GAUGE:600:0:100 RRA:MAX:0.5:60:576


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