[rrd-users] Rrdtool for counting irregular events

Tobias Oetiker tobi at oetiker.ch
Sun May 20 07:20:08 CEST 2012

Hi Rafal,

Yesterday Rafal Gwizdala wrote:

> Hi,
> Can rrdtool be used for measuring frequency of irregular events? I mean the
> updates would occur in irregular patterns and I'd like to measure the
> frequency of them / number of occurrences per some base interval.

if you use

the ABSOLUTE data source type and rrdtool update whenever you
detect one (or more events) with the number of events detected, you
should get what you want.

choose the step size according the the maximum resolution you want
to see for the statistics.

> Best regards
> RG

Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900

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