Sean, could it be that you are polling 32bit counters and are suffering from wraparound effects ... use 64bit counters
cheers tobi Yesterday Sean Whitney wrote: > We're in the process of replacing cricket with our own rrdpoller. Everything > seems to be going great except that as we look at the graphs we're seeing > some discrepancies in the peaks. > > Here is a copy of two graphs, http://tinypic.com/r/2hyxoue/5 > > The cricket graph is on the bottom and our graph is on the top. The time > right before midnight Saturday is telling because the interface throughput > was maxed out (hence the flat top on the cricket graph). Our graph shows > these strange spikes that are bigger than the interface capacity. > > The difference in the RRD > The cricket graphs were created with a step of 300, but because of scaling > issues it's being updated every 600 seconds. Our graph was created with a > step of 600 and being collected at 600. > > Any idea's where we need to look to figure out where these strange spikes are > originating from? > > > Sean > > > ======================================= > Sean Whitney > PMB #120, 16505A SE First Street > Vancouver, WA 98684 > T. 360.326.2740 > C. 360.607.7945 > F. 815.364.0687 > aim: seanmwhitney > email: [email protected] > skype: visionary_networks > ======================================= > > > > > > > > > -- Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland http://it.oetiker.ch [email protected] ++41 62 775 9902 / sb: -9900 _______________________________________________ rrd-users mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
