[mrtg] Graphing small values (disappear in the month/year graph)

Fred Zwarts F.Zwarts at KVI.nl
Wed Jun 2 12:52:59 CEST 2010

"Markus" <universe at truemetal.org> wrote in message
news:411bd32775c402813167ebc20080fef9.squirrel at squirrel.lightup.net 
> Hi all,
> I'm using MRTG to graph a state of "ON" of a certain event, and that
> event usually lasts only something like 15 to 60 minutes. Also, it
> happens not so frequently, so something like every 2-4 days.
> The script that feeds the data into MRTG just sends a "1" when the
> state is "ON", so MRTG displays a value of 1 for a period of 15 to 60
> mins in the daily graph. When the event is "OFF", the script feeds a
> "0" to MRTG. 
> The problem that I am encountering is that the event "disappears"
> after a while from the monthly / yearly graphs. I think this is
> because MRTG is building an average of the collected values and this
> average is becoming "smaller and smaller" for the monthly and yearly
> graphs over time (I can confirm that by looking at the logfile) and
> because of the small value and short time span results in the events
> disappearing completely from the monthly and yearly graphs.
> Does anyone have an idea how to solve that?
> My config:
> Target[something]: `script.sh`
> Options[something]: integer, gauge, nobanner, growright, noinfo,
> nopercent, nolegend, perhour
> MaxBytes[something]: 4
> kMG[something]: ,,
> Thanks a lot!
> Markus

What if you use a value of 100 for the On state?
Than for the monthly and yearly graphs, you will
see the percentage of On state in time.

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