[rrd-users] How to make CDEF compute a bunch of moving averages ?

[Eric Ho]

Hi,
I've a rrd file that has only 1 data source where its CF is defined as average.
I'm trying to go back to a particular week in last month and compute
a bunch of moving averages for that week.  Each moving ave should be
computed on samples from the last 15 days.
Is this even possible in using CDEF ?
Or I need to do this programmatically using 'rrdtool fetch' ?
Thx.
 
 

Thanks.

;-e).

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