[rrd-users] A reason there isn't a CF SUM function?

[Simon Hobson]

Derek Haynes wrote:

>For reason (1), the common argument is you can calculate this by
>multiplying the average by the duration of the CDP. However, this
>doesn't hold when a CDP contains unknowns as the average is only based
>on the known values.

And the same would apply if you had a SUM CF

>The TOTAL operator does exactly what I'm looking for but it's only for
>VDEF statements.

That makes sense. You will only get one value by summing a list of numbers.
Which leads on to ... what would you store for a SUM CF ?

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Simon Hobson

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