[rrd-users] Are there real numbers ?

[Tobias Oetiker]

Hi Vlado,

this is because rrdtool realignes the data with the sampleing
interval defined when you created the rrd file ... so your
1179100500 update was probably not put in a 1179100500 sharp.

cheers
tobi


Today VladoPortos wrote:

> Hi all,
>
> im playing with rrd tool and its realy great tool, but i noticed when i
> put data to database and fetch them back it give back it like this:
>
> 1179099300: 3.9988849010e+00 1.9994424505e+00
> 1179099600: 4.0000000000e+00 2.0000000000e+00
> 1179099900: 4.0000000000e+00 2.0000000000e+00
> 1179100200: 4.0000000000e+00 2.0000000000e+00
> 1179100500: 4.0000000000e+00 4.3577346667e-02
>
> But im putting in real numbers like 4,2,5, etc... 3.999... i understand
> but 4.35777..??? why is that ?
>
> Thanks and best regards
> Vladimir
>
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-- 
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten
http://it.oetiker.ch tobi at oetiker.ch ++41 62 213 9902