[rrd-users] Re: How to save and graph NON-averages

[Alex van den Bogaerdt]

Sam Howard wrote:
> 
> I'm trying to create some very simple graphs of our backup totals (i.e.
> bytes backed up per night), but I can't seem to get RRD to NOT average out
> the values...
> 
> For example, I am creating my database as:
> 
> rrdtool create nsr.rrd          \
>   --start '07/01/2000'          \
>   --step 86400                  \
>   DS:incrbytes:GAUGE:86400:U:U  \
>   DS:fullbytes:GAUGE:86400:U:U  \
>   RRA:LAST:0.5:1:1000
> 
> Inserting data as:
> 
> + rrdtool update nsr.rrd 967392000:77736128:0
> + rrdtool update nsr.rrd 967478400:0:1447213300

You use a time that is not an *exact* multiplication of your step time.
If (time % steptime) != 0, interpolation (better: normalizing) will occur.

If you need/want to keep the original values:
use GAUGE and make sure to update on RRDtool boundaries.  If you want to
update at Sun Aug 27 16:00:00 2000 UTC, you need to use a step time of
3600.  Make sure to use an appropriate xff !

regards,
-- 
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