[rrd-users] Dynamic Steps

Alex van den Bogaerdt alex at vandenbogaerdt.nl
Thu Apr 18 00:33:47 CEST 2013

> I don't think that I will ever hit that limit. But the moment I have more 
> than one tick per second I loose the precision with rrdtool, don't I? If 
> there are more updates per second, then rrdtool calculates the average of 
> the values that have been sent that second, which gives me an average of 
> 3600 again. So even if 10800VA are utilized I end up with 3600 and the 
> wrong information of the consumed power.


If you update at time "t1", and then at time "t2" again, and if the interval 
"t2-t1" is less than one second, you end up with a rate (Joules per second 
in your case) which is higher than 3600.  Do this a couple of times in one 
second, and RRDtool will use that higher rate, no problem.

More information about the rrd-users mailing list