Hello again dear experts,
I would like to use the functionality of CDEF and PREDICT, like this:
rrdtool.exe graph test.png DEF:value=mydb.rrd:count:AVERAGE
CDEF:predict=600,-2,300,value,PREDICT LINE1:var#FF0000
but I get this error here:
ERROR: invalid rpn expression in: 600,-2,300,value,PREDICT
Why would this be? I am using RRDTool 1.3.30 on Windows. Do I need to use
RRDTool version 1.4? If so, is there a Windows Binary I can download?
With kind regards, and thank you for your attention,
Michel
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