[rrd-users] water usage

[Simon Hobson]

Rick Dicaire wrote:
>Darren Dunham <ddunham at taos.com> wrote:
>  > An alternative is to not use "day" steps, but "hour" steps, and leave
>>  long heartbeats.
>>
>>  --steps=3600
>>  [...]
>>  'RRA:LAST:0.01:1:900' \
>>  [...]
>>  rrdtool updatev water.rrd 1279641600:140 1279728000:750 1279814400:190
>
>I effected the above change, and now the graph correctly displays each
>days usage. What I don't understand is why this change works. Since
>I'm only inputting data once every 86400 sec, why wouldnt I use that
>value for --step?

See http://www.vandenbogaerdt.nl/rrdtool/
In particular, see the tutorial on "Rates, normalizing and consolidating"
-- 
Simon Hobson

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