[rrd-users] CDEF,RPN, no decimal constant possible?

Peter pspiegler at gmx.de
Fri Jul 11 11:31:47 CEST 2014

This problem occurs only for computed datasources by storing the rpn in
compact format in the rrd file.

A CDEF in a graph work correct, i.e.
rrdtool graph test.png  DEF:DeLog_L=L.rrd:DeLog_L:AVERAGE
CDEF:L=DeLog_L,LOG,4.34294481903252,* LINE1:L#FF00FF:"L" -l 25 -u 35 n
--start end-10min

(you have to update L.rrd with some 1000 in the last 10 minutes to get a
line at 30 )


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