Le Monday 11 June 2007 22:12:15 Gilles Mocellin, vous avez écrit : > Le Monday 11 June 2007 21:15:38 Chris Mazuc, vous avez écrit : > > I am running ntop 3.2 on debian and am having some problems whenever I > > restart ntop. Upon restart, ntop seems to think there has been a massive > > spike in traffic, which drowns the rest of my stats. The only other > > reference to this problem I could find was this series of postings: > > > > http://listgateway.unipi.it/pipermail/ntop/2006-August/012089.html > > > > Any help with this matter would be greatly appreciated. > > This is a real problem for long terme use. > I think we must track this problem down. > > Looking at the RRD properties of IP_*.rrd files, I think the problem is > because datas (DS) are stored as counters. > > I'm sure it's not easy, but perhaps theses datas could be converted to > gauges, considering Bytes/s instead of Bytes ?
Looking at cacti (http://www.cacti.net/), I see that they also use counters and I never have peaks, but holes. But the probleme is different, the counters depends on your routers/hosts, in ntop they are reinitialised at each restart.
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