# [rrd-users] Re: blocy graph with description

Sebastian Pachuta seba123 at seba123.webd.pl
Wed Oct 18 10:25:40 MEST 2006

```On Tue, Oct 17, 2006 at 16:38:26 +0200, Alex van den Bogaerdt wrote:
> Look at the timestamps you specified.
>
> quote:
>  good=1161088200
>
> 1161088500 = 13 * 300 * 297715
> 1161088200 = 13 * 300 * 297714 + 3600
>
> 1161088500 =  3 * 300 * 1290098 + 300
> 1161088200 =  3 * 300 * 1290098
>
> For timestamp 1161088500, 13*300 is a better choice, because it is exact match.
> For timestamp 1161088200,  3*300 is a better choice, because it is exact match.

Lets try this logic on timestamp 1161018300

: 1161018300 =  13 * 300 * 297697
: 1161018300 =   3 * 300 * 1290020 + 300
: For timestamp 1161018300, 13*300 is a better choice, because it is exact match.

But rrdtool chooses 3*300.
Why it happens I already described in previous message.

Regards

--
Sebastian Pachuta
seba123 at seba123.webd.pl

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