On Thu, Jun 17, 2010 at 03:14:39PM +0100, Simon Bedford wrote: > Bert, its now climbing and not seeming to close any clients on both > servers now, although one is much worse than the other, one is at 11 > and the other is at 108 tcp-clients at the moment.
Could you run: # tcpdump -s 0 -w tcpdns port 53 and tcp For a while (few hours) And then send me the output of: # tcpdump -n -r tcpdns You can obfuscate IP addresses, as long as I can see patterns that would be great. Thanks! > > Simon > > Simon Bedford wrote: > >Please see answers below :- > > > >bert hubert wrote: > >>On Wed, Jun 16, 2010 at 11:10:29AM +0100, Simon Bedford wrote: > >>>I have been running the 'get tcp-clients' every 5 mins in cron on > >>>both servers, one is very low <10 and fluctuates, the other is just > >>>growing and growing and is currently at 55, hope this info is of > >>>value for debug. > >>Is there any difference between these two servers in terms of: > >>* Operating system > >No, both Debian Etch > > > >>* Number of processors > >No, slightly faster processors in the one with the most clients > > > >>* Network configuration (load balancer?) > >Different data centre but same network architecture, both loadbalanced. > > > >>* Use (mail servers versus residential internet connections?) > >No, config is identical and use is only as a cachingDNS and NTP server > > > >>* Anything else that comes to mind > >Nothing appears to be different, they are from a build that should > >be identical across the platform, although we will be looking to > >upgrade to Lenny in the near future. > > > >>Thanks! > > > >Thanks > > > >Simon > > > > > >_______________________________________________ > >Pdns-users mailing list > >Pdns-users@mailman.powerdns.com > >http://mailman.powerdns.com/mailman/listinfo/pdns-users > > > _______________________________________________ Pdns-users mailing list Pdns-users@mailman.powerdns.com http://mailman.powerdns.com/mailman/listinfo/pdns-users