> You have "--step 60" and update every 10 seconds. Your finest RRA will
>> still contain a composed number built from 6 updates.
>>
>
> Update every 10 seconds is a little bit "aggressive" but it is not really
> needed, you're right. The reason is that when I run my tests, I only need
> 10s to hav
Guillaume Betous wrote:
> But do you confirm that I can update with a higher freq than de DB ? Let's
> say update every 30 sec still have sense ?
Yes, you can submit updates more or less as often as you want - all that
happens is the intermediate data is collated until the end of the step.
Hav
You have "--step 60" and update every 10 seconds. Your finest RRA will
> still contain a composed number built from 6 updates.
>
Update every 10 seconds is a little bit "aggressive" but it is not really
needed, you're right. The reason is that when I run my tests, I only need
10s to have an update
> Hi all !
>
> I leave in France, and having a RPi and a very basic UART adapter, I can
> retrieve some data from my electricity Meter. I could create some basic
> RRDTool graphs, and I can now foolow my instantaneous consumption.
>
> Here is my db creation :
> rrdtool create edf \
>
Bram Langen wrote:
> ... but for full flexibility and data analysis (such as comparing same period
> year over year) I let the Raspberry Pi write the counter values once a day to
> a text file. Every so often I import the CSV data into MS-Excel, allowing any
> data comparison you want.
You ca
Guillaume,
Assuming you already created graphs, then creating one that shows daily numbers would work the same way - just set the intervals properly. I wonder though it the result will be as 'clear' as you hope it will be. I use the RRD-tool for my meter readings as well, including a couple of g
