[FUG-BR] [OFF-TOPIC] - Gráficos RRDTool

[Luciano Antonio Borguetti Faustino]

Alex Moura escreveu:
> Oi, Luciano
> 
> Desculpe a demora.
> 
> Em 2008/6/5 Luciano Antonio Borguetti Faustino <
> lucianoborguetti.listas em gmail.com> escreveu:
> 
>> Alex,
>>
>> Acredito que tenha entendido.
>>
>> Deixa confirmar.
>>
>> No meu RRA eu não estou declarando um periodo de consolidação dos dados,
>> pode ser esse o problema ?
> 
> 
> Acho que está definindo sim:
> 
> # 24 horas
> RRA:AVERAGE:0.5:1:288 \
> 
> # 168 horas (1 semana)
> RRA:AVERAGE:0.5:1:2016 \
> 
> # 31 dias
> RRA:AVERAGE:0.5:1:8928 \
> 
> # 365 dias
> RRA:AVERAGE:0.5:1:105120 \
> 
> 
>>
>> Sempre vou precisar de um RRA para cada perido para fazer a consolidação ?
>>
> 
> Vai precisar sim. O RRA é a estrutura que armazena dados dentro de uma base
> RRD (Round Robin Archive).
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Pessoal,

Resolvido o problema :)



https://lists.oetiker.ch/pipermail/rrd-users/2008-March/013794.html

Richard Burton wrote:

>Also the value printed for the value MAX when you use GPRINT is the
>maximum value based on the data in the RRD and it is not in any way
>influenced by the data that is actually shown on the graph?


It is the maximum value of the CDEF you print the MAX of. That means,
if you define the CDEF to use (say) an AVERAGE RRA then you will get
the max of the averages. Also, it is over the time period of the
graph.

To try and put that into perspective, most of the graphs I draw show
averages - though some have an option to show max as well. So I will
have two different CDEFs for each data source - one gets data from an
AVERAGE RRA to draw the graph, another gets data from a MAX RRA. For
the legend, I will then have two VDEFs - one "average of average" to
print the average, another "max of max" to print the max.


Abraços.