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 the example) => RRA:AVERAGE:0.5:(average minute / stepping measured in minutes):((hours * 3600) / (average minute * 60)) + (some additional rows) => RRA:AVERAGE:0.5:(6 / 0.25):((24 * 3600) / (6 * 60)) + 4 => RRA #2: RRA:AVERAGE:0.5:24:244 If this is correct, something for the documentation? If you change the polling interval after creating the RRD files you will probably get some problems? Has anybody worked on the "bug" report of Matt http://www.mail-archive.com/ganglia-developers@lists.sourceforge.net/msg00058.html ? Regards Ulf ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Ganglia-developers mailing list Ganglia-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ganglia-developers
