From owner-freebsd-hackers Sun Nov 19 20:33:31 2000 Delivered-To: freebsd-hackers@freebsd.org Received: from fw.wintelcom.net (ns1.wintelcom.net [209.1.153.20]) by hub.freebsd.org (Postfix) with ESMTP id B5CB637B4CF for ; Sun, 19 Nov 2000 20:33:28 -0800 (PST) Received: (from bright@localhost) by fw.wintelcom.net (8.10.0/8.10.0) id eAK4XRn10965; Sun, 19 Nov 2000 20:33:27 -0800 (PST) Date: Sun, 19 Nov 2000 20:33:27 -0800 From: Alfred Perlstein To: David Miller Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: UDP limits in dns server? Message-ID: <20001119203327.S18037@fw.wintelcom.net> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from dmiller@search.sparks.net on Sun, Nov 19, 2000 at 11:22:29PM -0500 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG * David Miller [001119 20:30] wrote: > Hi All:) > > I'm testing a honking reverse resolver system for use in resolving web > logs. It's an Abit KT7 system with 1.1 GHz processor and 768 MB of ECC > ram running 4.1-stable as of about a month ago. > > I'm looking up the IP addresses with up to 1500 or so processes each > taking a list of addresses and running gethostbyaddr() on them. > > I've increased net.inet.udp.recvspace to 192k. Is there anything else I > can do to tune the system? I'm particularly perplexed that a K6-200 > system I had was cpu bound running named and achieved ~200 > resolves/sec; my spiffy new 1100 MHz K7 is struggling to double it. > > Any suggestions welcome! Increasing maxusers to something like 512 should help with the network buffer space and sockets required to achieve your goals. -- -Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org] "I have the heart of a child; I keep it in a jar on my desk." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message