[rrd-users] Re: Migrating RRD data to RDBMS

Tobias Oetiker oetiker at ee.ethz.ch
Thu Jan 26 21:02:53 MET 2006

Hi Georges,

This is certainly doable with CDEF ... at the moment it is not all
that trivial, since all you have is a number of seconds since 1970
in the TIME function, but this could be changed by providing
functions the give the 'second in the day' in local time for
example ...

Today Georges Toth wrote:

> > No, that's not what I want. That's only a time period with one start
> > and one end time. Only for a daily average you are right.
> > I want, for example, an average over a week, month or year, but only
> > between 8am and 6pm and only from Mo - Fr.
> Ah ok...I see.
> I'm wondering though if that isn't doable with some CDEF's.

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