[rrd-users] Additional "Unknown"-Value

[n1LL3]

Alex van den Bogaerdt-5 wrote:
> 
> I think I understand what you want to achieve.  If I may summarize:
> 
> * you want the ability to fill a relatively large amount of time with some 
> known rate, meaning you want to be able to skip several updates and still 
> provide a known rate
> * you also want the ability to hardcode "U" into your data, to signal that 
> you know you don't know. That U should stay visible.
> 
> An extreme case:
> step size: 1 second
> X-Files Factor: 0.0
> amount of PDPs per CDP: 300
> heartbeat 86400
> 
> As long as one update occurs within 86400 seconds (one day) you will get
> 288 
> rows with known data. But if you insert an U, that entire bucket of 300 
> steps will become unknown.
> 
> And if you have more than one RRA in your RRD, you can do the same. For 
> instance:
> 
> other RRA:
> X-Files Factor: 0,0
> amount of PDPs per CDP: 86400
> 
> This will show one day per pixel column. Show an entire year of such data 
> and you see instantly how well you're doing: visible data means days
> without 
> any interuption.
> 
> 
> Does this help?
> 
> cheers,
> Alex
> 

Hello Alex,

this is exactly what I want! 

Only your last point doesn't fit, but that's negligible. 
Just for your interest, we store rrd-data for every minute without any
aggregation for 400 days.
And we make our SLAs just over 1 year, using the not-aggregated
every-minute-values.

Cheers!

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