AW: Limitation on concurrently handled queries

Kalman Feher kalman.feher at melbourneit.com.au
Wed Aug 11 15:04:36 UTC 2010


Perhaps you could explain the reasoning behind the request? If you are
trying to preserve resources there are better ways.

If you are trying to restrict access to master/slave zones then you should
use access lists, either at zone or view level.


On 11/08/10 3:42 PM, "Dangl, Thomas" <thomas.t.dangl at siemens.com> wrote:

> First of all thanks for the fast response.
> 
> Maybe I misunderstood the Bind9 manual.
> Bind9 ARM says:
> 
> recursive-clients The maximum number of simultaneous recursive lookups the
> server will perform on
> behalf of clients
> 
> I understand that as recursive lookups that are issued to other name servers.
> The statement in the documentation and the parameter name doesn't say anything
> on iterative queries. And I read that statement - maybe I need new glasses -
> as a limitation applicable to forwarded lookups not resolved by the DNS master
> / slave zones locally available. So in my understanding it doesn't cover what
> I want.
> 
> Best Regards
> 
> Thomas Dangl
>  
> 
> -----Ursprüngliche Nachricht-----
> Von: bind-users-bounces+thomas.t.dangl=siemens.com at lists.isc.org
> [mailto:bind-users-bounces+thomas.t.dangl=siemens.com at lists.isc.org] Im
> Auftrag von Matus UHLAR - fantomas
> Gesendet: Mittwoch, 11. August 2010 15:28
> An: bind-users at lists.isc.org
> Betreff: Re: Limitation on concurrently handled queries
> 
> On 11.08.10 15:01, Dangl, Thomas wrote:
>> is there a means to limit the number of concurrently handled queries?
>> In the Bind9 documentation there are some parameters like
>> clients-per-query and max-clients-per-query as well as tcp-clients.
>> What I didnt see is some limitation on the overall number of queries
>> that may be handled concurrently.
> 
> what's the point?
> 
> there's also recursive-clients option, maybe it's what you want?
> 
> --
> Matus UHLAR - fantomas, uhlar at fantomas.sk ; http://www.fantomas.sk/
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Kal Feher 




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