[rrd-users] Re: rrdtool empty graphs

Serge Maandag serge.maandag at staff.zeelandnet.nl
Fri Mar 19 09:56:20 MET 2004

> Another thing i discovered is that sometimes data is added.
> However it's completely random.
> For example, initially it worked  ( that means it updated 
> only once even
> though the script is ran every 15 minutes ), except for disk 
> space usage.

So you update your rrd every 15 minutes.

> DS:load_1min:GAUGE:600:0:500 DS:load_5min:GAUGE:600:0:500 
> DS:load_15min:GAUGE:600:0:500

Yet you defined your heartbeat to be 600 seconds (10 minutes).
That will result in NaN's in your database for sure.

Either update more often or crank up the heartbeats.


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