[rrd-users] Re: RRDtool lying about data values

[Milan Obuch]

On Friday 02 January 2004 10:08, Pavel Ruzicka wrote:
>
> I was this problem too. This is bug in --alt-y-mrtg option in RRDTool.
> This bug is in --alt-y-grid option too, but there are not much visible.
> This bug is in all versions of rrdtool (tested to 1.0.45) where this
> command is implemented. With some values is problem visible more, with
> other values is visible less, but it's still here.
>

Actually, this problem is somewhere in rrdtool core, or better said, in math 
with non-integer numbers. There are always rounding errors in this case, this 
causes some computations to go wildly off...

>
> I report this before few months, but nobody have time to repair it :-(
>

Well, I keep trying to find solution for this problem, however, I had nearly 
no time to do it until now. Maybe I can do something now, however, I must 
first study the code once again.
Milan

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