Re: [Xen-users] DNS servers as guests?

[Simon Hobson <linux@xxxxxxxxxxxxxxxx>]

lists@xxxxxxxxxxxx wrote:
> Anyone running DNS servers as guests? Seems too slow unless I'm 
> missing something.
> I can always keep secondary backup DNS servers as guests but as 
> primaries, seems slow?
No problem here. At work I host about 600 zones on one primary 
server, single 2.4GHz vcpu (not dedicated), 256M RAM, around 32k 
queries/hour. Just done a few tests and got response times between 9 
and 180 ms.
On the same physical server, I also run a resolver in a separate 
DomU. Again a non-dedicated single 2.4G vcpu, but 521M RAM - 
currently doing about 16k queries/hr but it does peak a lot higher. 
Again, no problem with performance.
--
Simon Hobson

Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.

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