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mostly, then consistently higher for a window of time, before reverting back
to normal behaviour. Is that correct or are you referring to only occasional
queries?

In either case details of the queries will be helpful to finding the answer.

I would also be curious to know exactly where the data that generates the
mrtg graphs is drawn from. One could graph queries from a client to the DNS
servers or load balancer health checks or something else again.


On 6/3/08 4:16 PM, "Mark Pagulayan" <m.pagulayan at auckland.ac.nz> wrote:

> Hi, 
>  
> 
> I have 4 slave nameservers running bind 9.3.3rc2 which provide service
> to our internal network. All of them are behind a foundry load balancer.
> 
> 
>  
> 
> We monitor our servers using mrtg. Base on the mrtg graphs, I noticed
> that at random times (but not frequently) that the dns response time
> vary from 1 - 10 sec.  I have read that dns query should not take that
> long specially when queries are coming from the internal network for
> authoritative zones. Any ideas or has anyone experience this about this
> topic? What should be the acceptable dns response time or watermark?
> 
>  
> 
>  
> 
> Your help is mostly appreciated?
> 
>  
> 
> Regards,
> 
>  
> 
> mark
> 
> 
> 

-- 
Kal Feher