> From: Leon Stringer <[EMAIL PROTECTED]> > Date: 2008/05/21 Wed AM 09:35:34 GMT > To: <[email protected]> > Subject: [rrd-users] Why do I see NaN values? > > > I've created an RRD database to store a value (server clock offset in > ms). I've created a cron job to add the value every 6 hours. As far > as I can tell the job is running correctly and getting a valid value. > However, when I run rrd fetch I get a lot of NaN values (between a > quarter and a third of values) so the generated graphs have gaps too. > > I created the file with: > > rrdtool create file.rrd -s 21600 DS:offset:GAUGE:21600:U:U > RRA:MAX:0:1:360 > > I add the data with: > > rrdtool update file.rrd N:<val> (E.g. 1.903, -0.424, etc.) > > And I query data with: > > rrdtool fetch -s -1week file.rrd MAX > > Can anyone tell me why I see NaN values instead of the values I > (think!) am putting in? >
Sorry I should also have said: RRD Tool 1.2.26. ----------------------------------------- Email sent from www.virginmedia.com/email Virus-checked using McAfee(R) Software and scanned for spam _______________________________________________ rrd-users mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
