At 18:14 -0800 30/11/09, Nathaniel R. Ben-Attar wrote: >I am using a shell script to poll data from a mysql database. >That script returns a numeric value that is being picked up properly >by my data template and recorded in the rrd. >'rrdtool info' shows: >------------------------------------------- >rrd_version = "0003" >step = 300 >last_update = 1259633148 >ds[datavalue].type = "GAUGE" >ds[datavalue].minimal_heartbeat = 600 >ds[datavalue].min = 0.0000000000e+00 >ds[datavalue].max = NaN >ds[datavalue].last_ds = "475.00" >ds[datavalue].value = 2.2800000000e+04 >ds[datavalue].unknown_sec = 0 >------------------------------------------- >The value for last_ds (475.00) is the correct value returned by the >script. I want to display this value below a graph. I use gprint >with LAST and EXACT. The value displayed is NOT 475.00. >Is there something I'm missing?
rrdtool does not store exact values except under certain specific conditions. See Alex's tutorial on normalisation at http://www.vandenbogaerdt.nl/rrdtool/ -- Simon Hobson Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed author Gladys Hobson. Novels - poetry - short stories - ideal as Christmas stocking fillers. Some available as e-books. _______________________________________________ rrd-users mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
