Re: Slow DNS Lookups on Debian Etch AMD 64
On Sat, 2007-05-12 at 13:56 +0530, Kushal Kumaran wrote:
> On 5/12/07, Dallas Clement <dallas.a.clement@gmail.com> wrote:
> > On 5/11/07, Douglas Allan Tutty <dtutty@porchlight.ca> wrote:
> > > On Fri, May 11, 2007 at 04:37:07PM -0500, Dallas Clement wrote:
> > > > On 5/10/07, Douglas Allan Tutty <dtutty@porchlight.ca> wrote:
> > > > >On Thu, May 10, 2007 at 09:41:59AM -0500, Dallas Clement wrote:
> > > > >>
> > > > >> I'm getting terrible DNS lookup performance on my Debian Etch system.
> > > > >> I've installed the "Etch" - Official Beta amd64 version.
> > > > >
> > > > >What is an official beta of Etch which is the current Stable?
> > > >
> > > > Sadly, after upgrading to 4.0 r0 I am still experiencing the slow DNS
> > > > lookups.
> > > >
> > > > This is what's in my sources.list file:
> > > >
> > > > debian:~# cat /etc/apt/sources.list
> > > >
> > > > deb cdrom:[Debian GNU/Linux 4.0 r0 _Etch_ - Official amd64 DVD
> > > > Binary-1 20070407-12:15]/ etch contrib main
> > >
> > > You should add on lines after that lines that point to your mirror of
> > > choice. Mine (in Canada) is:
> > >
> > > deb http://ftp3.nrc.ca/debian/ etch main contrib non-free
> > >
> > > deb http://security.debian.org/ etch/updates main contrib non-free
> > >
> > > This ensures that you get the most up-to-date packages within Etch
> > > (stable).
> > >
> > > And if you want:
> > >
> > > deb http://debian-multimedia.org etch main
> > >
> > > deb http://volatile.debian.org/debian-volatile etch/volatile main \
> > > contrib non-free
> >
> > I've added these lines and downloaded the latest updates. Still I
> > have incredibly slow DNS lookups. Like I mentioned earlier, this is
> > definitely not happening in Windows Vista which runs on the same
> > machine from a different drive/partition.
> >
> > Once the DNS lookup completes, things seem pretty fast. I'm not sure
> > where else to look at this point.
> >
>
> This is not really a solution, just a workaround, but have you tried
> installing a local DNS cache? pdnsd requires no configuration to set
> up.
> --
> Kushal
>
>
No I sure haven't, but that's probably a good thing to do anyway. I
think we are narrowing in on the problem as something to do with DNS
relay through my local router. Doing a time dig on the actual ISP DNS
address was extremely fast.
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