[rrd-users] Sliding Window TREND with out-of-graph data

[Tobias Oetiker]

Yesterday Karl Fischer wrote:

> change
>
> > DEF:hosts=/root/ipv6hosts.rrd:hostcount:AVERAGE \
>
> into
>
> > DEF:hosts=/root/ipv6hosts.rrd:hostcount:AVERAGE:start=end-4w \

cool rrdtool has features I didn't even know about :-)

cheers
tobi
>
> you may even need to prefetch a little more than 1w, so perhaps you need to
>
> > DEF:hosts=/root/ipv6hosts.rrd:hostcount:AVERAGE:start=end-8d \
>
>
> Hope that helps ...
>
> - Karl
>
>
>
>
>
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-- 
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