W.C.A. Wijngaards wrote: > Hi Felix, > > On 08/31/2009 10:22 AM, Felix Schueren wrote: >> we're still tracking a "some miniscule amount of queries fail every >> couple of days" case with unbound, and we think it might be related to >> unbounds backoff timer. Dumping unbound-control lookup (forwarded-zone) >> every minute yielded this: > > These servers are both for the same zone, right? > So if server 1 does not work, unbound tries server 2. > In the sample below, it would start out favoring server 2, > which is working fine it says. > Yes.
> Are there statistics from the kernel, network stack, about > packets and dropped packets? Is the answer getting dropped > somewhere else in your network? > I don't see anything out of the ordinary, 30s-averages don't show anything exceeding 5% interface bandwidth on the path between unbound & the forward servers. That still means that there could be very short bursts causing packets to be dropped, however, monitoring latency, it does not look likely. Kind regards, Felix -- Felix Schüren Head of Network ----------------------------------------------------------------------- Host Europe GmbH - http://www.hosteurope.de Welserstraße 14 - 51149 Köln - Germany Telefon: 0800 467 8387 - Fax: +49 180 5 66 3233 (*) HRB 28495 Amtsgericht Köln - USt-IdNr.: DE187370678 Geschäftsführer: Uwe Braun - Alex Collins - Mark Joseph - Patrick Pulvermüller (*) 0,14 EUR/Min. aus dem dt. Festnetz, Mobilfunkpreise ggf. abweichend _______________________________________________ Unbound-users mailing list [email protected] http://unbound.nlnetlabs.nl/mailman/listinfo/unbound-users
