Bind 9 is slow? Please help

[Mark Andrews]

> HI Mark,
> Thanks for your reply. I am sorry, unfortunately I didn't get you. Will
> appreciate you if can just let me know that 
> 
> 1- Is it ok to run "named -4" in production environment

	Yes.

> 2- Will --disbale-ipv6 at compilation time should be enough to stop
> IPv6?

	Yes (--disable-ipv6).

	Either will do.
 
> Thanks,
> MJ
> 
> -----Original Message-----
> From: bind-users-bounce at isc.org [mailto:bind-users-bounce at isc.org] On
> Behalf Of Mark Andrews
> Sent: Tuesday, March 22, 2005 3:25 AM
> Cc: comp-protocols-dns-bind at isc.org
> Subject: Re: Bind 9 is slow? Please help 
> 
> 
> > It was far from an exhaustive search, I only spent about five minutes
> > on it if that, less time than it took me to write this post, but the
> > BIND 9.3.1 configure script appears to default to autodetect for IPv6
> > support, and bases IPv6 support on the presence of a sockaddr_in6
> > structure.
> > 
> > So, if a platform is _capable_ of IPv6 it would seem that BIND 9.3.1
> > will include IPv6 support in the compile.  
> > 
> > I've _not_ looked to see what the code does at runtime.
> > 
> > rick jones
> > -- 
> > The glass is neither half-empty nor half-full. The glass has a leak.
> > The real question is "Can it be patched?"
> > these opinions are mine, all mine; HP might not want them anyway... :)
> > feel free to post, OR email to raj in cup.hp.com  but NOT BOTH...
> 
> 	'named -4' is a runtime equivalent to 'configure
> --disable-ipv6'.
> 
> 	To the OP, I would be checking that you are running the
> 	instance of named that you think you are.  Check you logs
> 	or query the server (dig +norec version.bind txt chaos @server).
> 
> 	BIND 9.3.1 and 9.2.5 both have code to fast retry on the
> 	usual error codes returned when you don't have IPv6 configured.
> 	They also do penalise the RTT estimates (they wern't being
> 	penalised in 9.3.0 and 9.2.4).  Either of these is sufficient
> 	to remove the delay though the second will still show some
> 	delay until the rtt estimate has been adjusted.
> 
> --
> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org
> 
> 
> 
> 
> 
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org