[rrd-users] Huge values

Andreas Maus a.maus at science-computing.de
Wed Jun 20 16:00:26 CEST 2007

On Wed, Jun 20, 2007 at 04:38:23PM +0300, Andrikopoulos Dimitrios wrote:
> Hello,
>   I use some PERL script to poll SNMP counters and store their values to
> RRDTool files.
> Although I didn't take any logging about what values my script actually
> stored in those
> RRD files, some times I noticed unexpectedly huge values which ruined
> the graphs. Of
> course, I solved this problem by putting maximum values when created the
> RRD databa-
> ses.
>   Has anyone noticed similar problem?
Hi Dimitris.

Sure. It is called a counter wrap ;)

The rrdtutorial - http://oss.oetiker.ch/rrdtool/tut/rrdtutorial.en.html -
or man rrdtutorial will explain the details.



Dipl.-Ing. Andreas Maus             science+computing ag
System Administration               Hagellocher Weg 73
mail: a.maus at science-computing.de   72070 Tuebingen, Germany
tel.: +49 7071 9457 671             www.science-computing.de
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