[rrd-users] rrd fetch changes between 1.0 and 1.2

Gergely Madarasz gorgo at broadband.hu
Fri Feb 2 19:58:26 CET 2007


On Fri, Feb 02, 2007 at 07:05:03PM +0100, Tobias Oetiker wrote:
> Hi Gergely,
> 
> not realy ...
> 
> 
> note that the entry at 1170422700: contans data valid between:
> 1170422400 and 1170422700.
> 
> You could argue that in this case 1.2 is giving too much data back
> by also returning the data for the interval following 1170423300
> this is right, BUT all rrdtool fetch garantees you is that it will
> return as much data as is required to 'cover' the time frame
> specified with start and end ...

Yes, I understand. The problem is that this breaks the usage of :LAST,
especially if the last period is in the future, explained in my other
post. So I'd say it would be healthier not to give back too much data, but
just as much as requested :) 

> note that there have bben some adjustments to the algorithm during
> the 1.2 life cycle, so make sure you use the latest version.

Of course I tested with 1.2.19. 

-- 
Madarasz Gergely        gorgo at broadband.hu         gorgo at linux.rulez.org
    It's practically impossible to look at a penguin and feel angry.
        Egy pingvinre gyakorlatilag lehetetlen haragosan nezni.



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