Re: Question regarding missing data points

> Alex van den Bogaerdt <[email protected]> wrote:
>
>> You are not writing points, you are writing rates which are measured
>> during some interval.
>> The rate "8" is for time 1477433700..1477434300. This is however not
>> allowed because of your heartbeat setting and gets lost.
>>
>> What happens if you do update at time 1477434000, using value U  ?
>
> Would that make a difference ?

Yes.

> I know that with a counter type, the second interval would still be
> unknown because the (b-a)/t calculation can't be done if a is unknown -
> but how does RRD handle the gauge type ? As "everything is a rate", does
> this limitation still apply with the gauge type ?

This is a different problem.

He is updating 600 seconds apart (because of the missing update) which is
more than heartbeat.