[Pdns-users] Performance of pdns authoritative server on big machines with different backends

[Marc Haber]

On Tue, Jan 04, 2011 at 09:55:47AM -0600, Kenneth Marshall wrote:
> On Tue, Jan 04, 2011 at 03:50:50PM +0100, Marc Haber wrote:
> > On Tue, Jan 04, 2011 at 08:38:57AM -0600, Kenneth Marshall wrote:
> > > Have you tried running multiple PDNS servers at once with possibly
> > > multiple MySQL backends as needed to scale?
> > 
> > Isn't threading being used to avoid this? I can try multiple PDNS
> > servers, but configuring multiple MySQL servers might be a challenge
> > in the given setup.
> 
> Threading does help which is why you are using as many cores as you
> are. There may be a bottleneck that needs to be addressed that keeps
> the system from scaling linearly. In that case, a second front-end
> pointed at the same backend database may give you 2X the number of
> queries/sec if the choke point is in the PDNS frontend and not the
> DB backend.

I will check that. Thanks for your opinion. It'll be next week before
results.

Greetings
Marc

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