Hi, Any feedback please.
BR Ben > Hi, > > I am new with rrdtool. I am making a graph for our application which > provides cumulative data. So for them analysis, I use derive DATA > SOURCE TYPE. Derive DST means : always take difference from current > value and last value. > > > my rrd command : > rrdtool create a.rrd \ > --step 60 \ > DS:A:COUNTER:120:0:U \ > RRA:AVERAGE:0.5:1:7200 > > rrd update command : > > logger rrdtool update a.rrd N:$A > it shows each time value in syslog, so it is working fine. > > rrdtool graph a.png -a PNG \ > --title="Info" -w $Width -h $Height \ > --watermark "`date`" \ > 'DEF:A=a.rrd:A:MAX' \ > 'LINE:A#00dd00:A' > /dev/null > > it generates blank graph. > > > Where i did mistake, please provide your feedback. > > One confusion from me : RRA stands for Round Robin Archive, so > when we should use MAX/MIN/AVERAGE/LAST with RRA? Please provide some > example. > > BR _______________________________________________ rrd-users mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
