[rrd-users] RRDtool spread values by time on rrd, how to turn off this behavior?

Tobias Oetiker tobi at oetiker.ch
Wed Apr 18 15:35:34 CEST 2012

Hi Daniel,

Today Daniel Hilst wrote:

> Hey tobias, I'm using collectd tail plugin to monitor Oracle database logs,
> matching ORA- errors. When I got one error at 1334578215 for example, on graph
> I'll see 0.5 error at 1334578210 and 0.5 error at 1334578220 -- Remember that
> collectd uses 10 as step, so while generating graph I just multiply the value
> collected by 10. -- 0.5 error is not something readable, so I round epoch on
> rrdtool plugin to get an integer number, avoiding the interpolation.

you may want to setup an RRD with 'ABSOLUTE' consolidation, then
rrdtool will store the error 'rate' which is what you probably want


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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