On Sat, Oct 11, 2003 at 04:50:30PM +0200, Philippe Charnier wrote:
> I'm using rrdtool 1.0.45. I would like to know if the following is the
> expected behaviour.
>
> rrdtool create a.rrd --start 999999990 --step 10 \
> DS:f:GAUGE:30:U:U RRA:MAX:0.5:1:10
> rrdtool update a.rrd 1000000000:2
Next you are reasoning with averages. Doesn't seem to matter,
with AVERAGE in stead of MAX the same behaviour is seen.
rrdtool create a.rrd --start 999999990 --step 10 \
DS:f:GAUGE:30:U:U RRA:AVERAGE:0.5:1:10
rrdtool update a.rrd 1000000000:2
rrdtool update a.rrd 1000000009:2
rrdtool update a.rrd 1000000020:4
rrdtool fetch a.rrd AVERAGE --start 1000000000 --end 1000000020
> So, after dividing by the size of the interval, I would be pleased to find
>
> 1000000000: 2.0000000000e+00
> 1000000010: 2.2000000000e+00
> 1000000020: 4.0000000000e+00
>
> Unfortunately rrdtool take all of them into one
>
> 1000000000: 2.0000000000e+00
> 1000000010: 3.1000000000e+00
> 1000000020: 3.1000000000e+00
I see the same using 1.0.39 and 1.1.something
It looks as if this is there for a long time.
No, this is not what I would expect.
alex
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