[rrd-users] unexpected NANs
edwardquick at hotmail.com
Wed Nov 28 16:08:34 CET 2007
Incidentally, (one of my colleagues just spotted this) the documentation on http://oss.oetiker.ch/rrdtool/doc/rrdupdate.en.html gives the following example with a floating point number:
rrdtool update demo2.rrd 887457267:U 887457521:22 887457903:2.7
From: edwardquick at hotmail.com
To: rrd-users at lists.oetiker.ch
Date: Wed, 28 Nov 2007 14:23:59 +0000
Subject: Re: [rrd-users] unexpected NANs
Thanks Alex & Eduardo,
I had to round the numbers first as you suggested, then the rrds were ok.
> Date: Wed, 28 Nov 2007 13:48:40 +0100
> From: alex at ergens.op.het.net
> To: rrd-users at lists.oetiker.ch
> Subject: Re: [rrd-users] unexpected NANs
> On Wed, Nov 28, 2007 at 07:43:30AM -0500, Eduardo M. Bragatto wrote:
> > If you're using those values the way they are you will have the NaN
> > problems because rrdtool uses only integers for input.
> This is true for COUNTER but not for GAUGE as far as I know.
> But multiplying by (say) 1,000,000 and rounding, would tell if I'm
> wrong or not.
> For the original poster:
> Be sure you graph or fetch using --end 1195987387 --start 1195985611
> Unfortunately I cannot debug this problem right now, have to go.
> Alex van den Bogaerdt
> rrd-users mailing list
> rrd-users at lists.oetiker.ch
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