[rrd-users] step period, start and end

Justin Carroll justcarroll at gmail.com
Tue Sep 21 22:18:11 CEST 2010

Thanks for the reply.

I am using GAUGE because I am looking for total water accumulation.  I am
also using COUNTER to collect the data and display the rate.

The saw tooth is what is expected, water accumulated each day and at
midnight the meter is reset to 0.

My goal is to create a graph that only shows the MAX accumulation for the
day.  I was almost able to do this by setting a step time to 1day.  The
problem is that the "step" doesn't go from midnight to midnight.  In my case
it goes from 6pm to 6pm the next day.


On Tue, Sep 21, 2010 at 1:34 PM, A Darren Dunham <ddunham at taos.com> wrote:

> On Tue, Sep 21, 2010 at 01:04:05PM -0600, Justin Carroll wrote:
> > I am collecting total accumulation data from a water meter.  The data
> > collected is the last value during different time periods.  10s, 30
> minutes
> > and 1 day.   The meter resets every day at midnight.
> >
> > I create daily, weekly and monthly graphs.  They all resemble a sawtooth
> > shape with a straight line down to zero at midnight.
> Sounds like you are collecting it as a GAUGE, but you might get more
> useful information collecting it as a COUNTER.  Then you'd see the
> actual rate as a y coordinate, not the slope.  No more sawtooth.  It
> also makes the consolidation simpler.
> --
> Darren
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