[rrd-users] Post to individual data sources with multiple update requests

Patrik Åkerfeldt patrik.akerfeldt at gmail.com
Thu Oct 17 13:50:23 CEST 2013


I would like to have one RRD file with all my indoor temperatures. One DS
per room. My problem is that I receive temperature updates as individual
events, thus I would like to update the DS's in the RRD file with
individual update calls.

In hope of having --template solving this for me, I tried something like

/usr/bin/rrdtool update /home/pakerfeldt/rrd/temperatures.rrd --template
bedroom1 N:19.92

/usr/bin/rrdtool update /home/pakerfeldt/rrd/temperatures.rrd --template
bedroom2 N:20.23

/usr/bin/rrdtool update /home/pakerfeldt/rrd/temperatures.rrd --template
bedroom3 N:20.51

But what I experience is that two of the DS store values ~1.5. I believe
it's bedroom2 and bedroom3 that get wrong values. While one of them seems
to have decent values stored.

So, obviously I'm doing something wrong with --template or it's not
supposed to be used this way. Can I solve my problem in some other way or
do I have to split it up into different RRD files?


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