[Ganglia-developers] How to calculate RRAs

2008-02-12 Thread Ulf
Hi, again a small update. Probably this is the correct calculation? Usage of RRA from the rrdtool homepage RRA:AVERAGE | MIN | MAX | LAST:xff:steps:rows Default polling interval (gmetad.conf): 15s=0.25 minutes = RRA stepping This should be the result: 6 minute average for 24.4 hours (used 24 in

[Ganglia-developers] How to calculate RRAs

2008-02-08 Thread Ulf Lange
Hi, these are default RRAs RRAs RRA:AVERAGE:0.5:1:244 RRA:AVERAGE:0.5:24:244 RRA:AVERAGE:0.5:168:244 RRA:AVERAGE:0.5:672:244 \ RRA:AVERAGE:0.5:5760:374 The result is the following: RRA #1 – 15 second average for 61 minutes RRA #2 – 6 minute average for 24.4 hours RRA #3 – 42 minute average