Date: Mon, 13 Jan 2003 09:50:11 -0600 From: Pete Ehlke <pde@rfc822.net> To: freebsd-chat@FreeBSD.org Subject: Re: Need advice on PHP and MySQL books Message-ID: <20030113155011.GA2719@rfc822.net> In-Reply-To: <a05200f07ba4881233aa2@[10.0.1.2]> References: <20030110234309.R12065@2-234-22-23.pyvrag.nggov.pbz> <3E1FF12B.5390D978@mindspring.com> <20030111144619.X22424@2-234-22-23.pyvrag.nggov.pbz> <a05200f22ba474b755a2a@[12.27.220.113]> <3E21FD22.38CD81BB@mindspring.com> <a05200f02ba47b68abed1@[10.0.1.2]> <20030113141542.GC2260@rfc822.net> <a05200f07ba4881233aa2@[10.0.1.2]>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, Jan 13, 2003 at 03:51:43PM +0100, Brad Knowles wrote: > At 8:15 AM -0600 2003/01/13, Pete Ehlke wrote: > > > Does anyone know the story about NSD? I've looked at it several times, > > run it and played with it locally quite a bit, and found it extremely > > interesting. But I've had a third-hand report that RIPE folks have said > > (third hand, but this is the direct quote I got...) "the damn thing just > > didn't work". Haven't been able to get more than that. > > I've benchmarked it, and it is *damn* bloody fast (see > <http://www.shub-internet.org/brad/papers/dnscomparison/>). > Agreed. It simply blew me away when I tried it out here at home. It was doing utterly unheard of numbers on old, low-end PC hardware. For those who might want to play with it, /usr/ports/net/nsd > However, the way it works is to pre-calculate every possible > query for the zone in question, and then to pre-generate every > possible answer (coalescing as many questions and answers together as > it can), and then to index all the answers from all the questions. > They throw out all the "normal" authoritative name server tasks that > would normally be done that are not strictly required for the kind of > operations you would expect to see at a root name server. > Right. IIRC (and I may not; the coffee hasn't really kicked in yet...) djb tried the same thing in early versions of his authoritative server, and gave up on the idea. > But for much larger zones (like .nl, and especially the signed > "test" version at .nl.nl), you just can't feed it enough memory. Or > so I have been told, and by people at least one step closer to that > process. Ah, right, that makes sense. -P. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20030113155011.GA2719>