In message <ilo4hp$s5g$1...@dough.gmane.org>, Bernhard Schmidt writes: > Hi, > > we have an internal distribution point running BIND 9.5.0-P2 (SLES 11.1 > distribution package). It slaves about 1800 zones from a commercial DNS > management software running on 127.0.0.1:8054 and distributes them > towards our servers. > > Whenever we restart BIND on that system, the 1800 zones are loaded > within two seconds (1800 loaded serial xxxxx entries, running), but it > takes up to 30 minutes (26 minutes the last time) where it does not do > any AXFR upstream and logs > > 15-Mar-2011 09:36:47.334 zone kongress.xxx.de/IN: notify from > 127.0.0.1#8054: refresh in progress, refresh check queued > > on every notify it receives. I cannot really see SOA queries upstream > either. When that time has passed by it catches up with the zone > transfers. > > Other than having "edns no" and "request-ixfr no" set for the upstream > server (due to bugs in this field) the configuration is pretty standard. > I'm not really opposed to updating the BIND to a newer version, but > given I'd have to go away from the distribution package where I feel > fine using it (firewalled system, only reachable by our other servers) > I'd rather know for sure that this problem is solved. I see similar > issues on our frontend servers running 9.7.3. > > Can anyone explain how I can speedup this progress?
Disable notify for the zones. Increase soa-query-rate. It also applies to notifies. > Also I'd like to disable/tune down the > > 15-Mar-2011 08:25:36.828 zone xxx.in-addr.arpa/IN: refresh: > skipping zone transfer as master 127.0.0.1#8054 (source 0.0.0 > .0#0) is unreachable (cached) > > thing. Good idea, but stopping all zone transfers for 10 minutes from > the only master just because it was unreachable for a few seconds is a > bad idea. Adjust lame-ttl. > I have searched for a named.conf knob and have failed to find any. > Closest I have found is serial-query-rate, which is not set in our > environment and should default to 20. -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org _______________________________________________ bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
