On Oct 02, "Serge Maandag" wrote: > rrdtool will only graph data coming out of a rrd database. > Therefore you must first put it in one.
Right. > You do that by creating one and updating it with your data. > Since your data is sampled with a 15 minute interval, you can take that for > stepsize. > Put 2 DS's in it with a heartbeat of more than 15 minutes, say 30 minutes. > > Add at least one RRA to hold your data. > Below you have 18 samples, if that is all you would add an RRA with an xff of > 0.5, that has 18 samples, each consolidated from 1 sample. > > rrdtool create blabla.rrd --start <timestamp of first sample> \ > --step 900 \ > DS:ds0:DST:1800:U:U \ > DS:ds1:DST:1800:U:U \ > RRA:AVERAGE:0.5:1:18 > > Where DST should be replaced by GAUGE, COUNTER or whatever, depending on your > data. > > Then insert your data by doing: > > rrdtool update blabla.rrd -t ds0:ds1 $epoch:$in:$out $epoch2:$in2:$out2 ..... > etc... > > Now you can do rrdtool graph on the rrd. Thanks very much for your reply. I'm still having problems with the graph. I put the exact commands I typed in, the data file, and the output image here: http://ack.berkeley.edu/~mhunter/rrdtool Why is the data squiggle so small, especially since I explicitly (correctly?) set the start and end times? Thanks again for your help, Mike -- Unsubscribe mailto:[EMAIL PROTECTED] Help mailto:[EMAIL PROTECTED] Archive http://www.ee.ethz.ch/~slist/rrd-users WebAdmin http://www.ee.ethz.ch/~slist/lsg2.cgi
