[rrd-users] graphs > 1 yr

Greg MacLellan greg at mwater.ca
Fri Jun 27 20:28:55 MEST 2003

I was trying to make a graph that spans 5 years, and rrdtool doesn't quite 
seem to display the labels properly. It tries to show all the months, and it 
just ends up as a jumbeled mess. It would probably be better if for anything 
over 18 months or so it would just display the year.

On that same note, does anyone have experience with rra files that big? I'm 
collecting data on 1 minute intervals, and this graph is actually a 5-year 
graph of 10 minute intervals (262800 rows), for AVG MIN and MAX. The rra also 
stores Daily (1 minute), Weekly (10 minute), Monthly (1 hour), and Yearly (6 
hour) points for AVG, MIN and MAX, in 6.5MB.

I haven't really had a chance to do any testing yet (I'm going to populate it 
with sample data shortly), but are there going to be any problems using a 
dataset that big? Mostly the 5-year graph will be used for history, to be 
able to 'zoom' in on a day/week that happened earlier. Would there any 
problems moving that up to a 10 or 15-year length?

ttyl, greg

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