Re: high performance caching bind server

[Michael Loftis <mloftis@modwest.com>]

--On March 12, 2007 9:57:26 AM +0100 Gregor Hermens <gregor@a-mazing.de> 
wrote:

> Hi,
>
> Am Montag, 12. März 2007 10:43 schrieb Jean-Paul Blaquiere:
> > What do people use/recommend for high performance name serving?
> > I currently have a few servers running bind9 (9.2.4-1sarge2) serving
> > an average 750 requests per second running on Debian/sarge.
> > kernel-2.4.32 (the stats say: low: 0.00, peak: 2500, avg: 750)
> ...
> > We're either going to replace these, or if there is something we can do
> > to poke it and make them happier, we'll do that.
>
> take a look at dnscache:
>
> http://packages.debian.org/stable/net/djbdns-installer
>
> It's a caching-only server, so you don't get the overhead of using a
> full-featured bind. I have a couple of them running for years without any
> problem.

I can't really recommend dnscache because it breaks the DNS protocol in 
various ways, but the *real* problem is it doesn't do round robin, so your 
dns server always returns the same answer instead of round robin-ing 
through A records and such that are identical except for the content.

> hth
> Gregor
> --
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>   Gregor Hermens       fax +49 8142 6528669
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--
Michael Loftis
Modwest Operations Manager
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