[rrd-developers] Re: Feater Request: RPN operator => RRD
nomad at null.net
Wed Jun 21 09:41:58 MEST 2006
> you can do this in CDEF by testing for unknown and putting 0 or 1 then
> you SUM the result to get the known vs unkonwn ration for the data you
> look at ...
This doesn't work with consolidated data. Imagine 3 out of 5 data points
with UNKN values and you are working with an RRA that has consolidated
all five points - usually into a single UNKN value. You have "lost" the
values of the two known data points.
>> 3. a new Function SUM like TREND but sums all values instead of building
>> an average.
>> My favorite would be the third one.
This would also be my preferred solution.
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