On Tue, Nov 10, 2009 at 09:27, Phil Stoneman <[email protected]> wrote: > Hi guys > > We're using rrdtool to generate expiry graphs, using something like this: > > rrdtool graph - "; > --imgformat=PNG "; > --start=$graphstart"; > --end=$graphend "; > --title=\"$caption\" "; > --base=1000 "; > --height=120 "; > --width=500 "; > -l 0 "; > --alt-autoscale-max "; > -r "; > --vertical-label=\"\" "; > --slope-mode "; > DEF:a=\"/var/www/cacti/rra/upsa1_snmp_oid_1682.rrd\":snmp_oid:MAX:end=+315360000 > "; > > AREA:a#4444FFFF:\"Power\:\" "; > VDEF:slope=a,LSLSLOPE "; > VDEF:int=a,LSLINT "; > CDEF: trend=a,POP,slope,COUNT,*,int,+ "; > COMMENT:\"Current limit 100\" "; > LINE:trend#FF00000:\"Predicted overflow\\:\" "; > CDEF:overlimit=trend,100,INF,LIMIT "; > VDEF:firstoverlimit=overlimit,FIRST "; > GPRINT:firstoverlimit\" %d %b %Y\\\n\":strftime "; > > > (Ignore the syntactic stuff at the ends of the lines, that's just our > generation script) > > As you can see, I force the DEF to read a bunch of future data from > the rrd, in order that my data sets have data into the future. This > lets me get an expiry date even if it's beyond the right-hand side of > the graph. Otherwise, rrdtool will only read data as far as the --end > parameter, and the expiry value won't show properly. > > The question is - this ability seems to be broken in rrdtool 1.3; my > expiry dates show as the epoch. I guess that rrdtool might be > truncating the data sets if they extend beyond the graph period... > > This all works fine in rrdtool 1.2. > > Can anyone shed any light on this, and let me know if I'm doing something > wrong?
Hi folks Did anyone get any ideas on the above? Thanks Phil _______________________________________________ rrd-users mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
