[rrd-developers] RFC new DS type DGAUGE

larryjadams at comcast.net larryjadams at comcast.net
Sun Nov 16 03:01:47 CET 2008


Will that break my spike kill hack?


 -------------- Original message ----------------------
From: Tobias Oetiker <tobi at oetiker.ch>
> I have been doing rrdtool tutorials and a Bof at LISA this week and
> one toppic that keeps coming up is that good old
>  Why does updating a GAUGE type DS with X cause Y to be stored.
> I keep explaining the whole re-sampling issue and people eventually
> understand it, but in the light of makeing the customers happy, I
> have come up with the following idea.
>  A new datasource type called DGAUGE. It would always *round down*
>  the timestamp to the last step.
> To not break things too much, multiple updates to DGAUGE within the
> same STEP would get averaged without regards to the actual
> timestamp the update was provided.
> In that way, peple would see the data they put in, appear
> in 1 step AVERAGE, MIN and MAX RRAs as long as they manage to put
> in only one update per step.
> coments ?
> cheers
> tobi
> -- 
> Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
> http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900
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