[Pdns-users] Possible tcp listener issue

Simon Bedford sbedford at plus.net
Thu Jun 17 14:14:39 UTC 2010

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.


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
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