[rrd-users] Question about importing non-realtime CSV data into RRDtool
infiniteseeker at gmail.com
Wed Jan 4 17:48:07 CET 2012
I have a question about importing non-realtime data into rrdtool. There is
an arduino device that logs various parameters and sends the CSV to a
server once per day. The data is logged for the whole day obviously (at an
interval of approximately every 20-23 seconds): Sample below:
I am new to RRDtool and would like to create daily, weekly, monthly and
yearly graphs for all this data. For example, field 13 in the data above
is btu per/hr.
I am fairly new to rrdtool and played around with it and created a graph
using the following commands (i had to change all the date/times to epoch
and do an rrdtool update of course):
rrdtool create btuperhr.rrd --start 1325232008 --step 1
rrdtool graph btuperhr.png --start 1325232008 --title="Boiler BTU Dec 30
2011" --vertical-label="BTU per Hr" -x MINUTE:10:HOUR:1:MINUTE:120:0:%R
the graph on the x axis doesnt look right.
Also does anyone have any better strategies for doing this then I have? I
feel like I am missing something critical.
Thanks and Regards,
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