[rrd-users] [rrd] Can't I turn off data smoothing for GAUGE?

Marc MERLIN marc_rrd at merlins.org
Sun Aug 22 03:27:29 CEST 2010

On Sun, Aug 22, 2010 at 02:57:55AM +0200, Alex van den Bogaerdt wrote:
> >> So the next issue comes up: how to display bit fields 65536, 32768,
> >> 16384,
> >> 8192, 4096, 2048, 1024, and 1, all in one graph of 100 pixels high?
> >> (notice how I am avoiding consolidating 8 CDPs at graph time)
> >
> > If it is a non averaging GAUGE, then you just drop all data
> > samples but the first one.
> Is there any logic behind choosing the first one?  Because if it is just
> an arbitrary choice, choosing the last one is at least as good, and that
> is exactly what would happen if one chooses to have LAST as the
> consolidation function.

That's fine. Picking any is fine as long as a discrete existing value is
taken and not a bogus one made up by averaging.

> I don't know why RRDtool does have LAST and not FIRST as CF. Maybe there
> is a good reason for it, maybe it is an arbitrary choice.

It doesn't matter. I just said first like I could have said last.

"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems & security ....
                                      .... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/  

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