Difference between revisions of "RRDTool"

RRDTool (view source)

443 bytes added , 16:34, 20 January 2010

m

Formatted "Create a database"

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 ** Therefore 12 x 180 = 2160 raw data points (to provide 12 hrs of data)
 * '''Daily'''
-intervals = 5min (period to average over)
+** 5 min average = 5 x 60 / 20 = 15 raw data points in each average
-av points = 24 hr coverage
+** 24 hr coverage = 24 x 60 = 1440 mins => 1440 / 5 = 288 averaged data points
+* '''Weekly'''
-intervals = 20 mins
+** 20 min average = 20 x 60 / 20 = 60 raw data points in each average
-av points = 7 days coverage
+** 7 days coverage = 7 x 24 x 60 = 10,080 mins => 10,080 / 20 = 504 averaged data points
+* '''Monthly'''
-intervals = 1 hr
+** 1 hr average = 60 x 60 / 20 = 180 raw data points in each average
-av points = 31 days coverage
+** 31 day coverage = 31 x 24 x 60 = 44,640 mins => 44,640 / 60 = 744 averaged data points
+* '''Yearly'''
-intervals = 1 day
+** 1 day average = 24 x 60 x 60 / 20 = 4,320 raw data points in each average
-av point = 1 yr coverage
+** 366 day coverage = 366 x 24 x 60 = 527,040 mins = 527,040 / 24 x 60 = 366 averaged data points
 rrdtool create esx1-cpu.rrd --step 20 \