Tag Archive > rrd

rrdtool magic

I upgraded some rrdtool graphs today (in the examples below, I was using weekly graphs). First I smoothed out some of the data with TREND. That was pretty easy, you just specify which data and the timeframe it should use to smooth out: CDEF:trend_data=data,21600,TREND smooths out data by 6 hours (21600 seconds). trend_data can be [...]

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