[rrd-users] Reserved tokens in CDEF names

[Tobi Oetiker]

on another note, we did make it more tollerant towards using keys as def names in a subsequent release, so it may be that you could get away with just upgrading to the latest release.

cheers
tobi

Tobias Oetiker
tobi at oetiker.ch
062 775 9902

> On 27.04.2016, at 23:33, Tobias Oetiker <tobi at oetiker.ch> wrote:
> 
> Hi Damian,
> 
> yes with he release of rrdtool 1.4 we switched to a new parser it
> parses key=value primarily and cf in the DEF line stands for
> consolidation function ... so you could write cf=AVERAGE
> 
> cheers
> tobi
> 
> Today Wiest, Damian wrote:
> 
>> Greetings all.
>> 
>> I'm using Cacti to generate my charts and ran into an issue with it
>> generating a bad rrdtool command-line.  I'm not sure if the issue lies
>> with rrdtool not accepting a valid graph definition, or if Cacti is
>> doing something it shouldn't.
>> 
>> $ /usr/bin/rrdtool graph - \
>> DEF:cf='/usr/share/cacti/rra/cpu.rrd':'cpu':AVERAGE \
>> CDEF:a='cf' \
>> LINE1:a#000FFF:'CPU0'
>> 
>> $ ERROR: don't understand 'cf'
>> 
>> Renaming the DEF and CDEF to something other than "cf" resolves the error.
>> 
>> Is this intentional?  "cf" would appear to be a valid vname based on
>> the rrdgraph_data document.
>> 
>> Thanks!
>> 
>> -Damian
> 
> -- 
> Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
> www.oetiker.ch tobi at oetiker.ch +41 62 775 9902
> 
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