[mrtg] Re: Graphs

Peter Glanville peter_glanville at cuk.canon.co.uk
Fri Apr 2 17:41:21 MEST 2004

> The traffic information that MRTG gets each five minutes is not 
equivalent or proporcional to weekly, monthly and yearly. Why? Yearly 
information is 4 times less.
The 'Daily' graph averages traffic over 5 mins, the 'weekly' over 30 mins, 
the monthly 2Hrs and the yearly graph shows daily average usage.

Take last friday.
The weekly average shows that around lunchtime you were doing 990kb of 
traffic. But earlier in the day (and later) you were doing much less.
So in the yearly graph, the average traffic level (for all of friday) is 
shown as about 150kb

That is correct.


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