From owner-freebsd-current@FreeBSD.ORG Mon Jun 4 20:37:50 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 9C30916A41F; Mon, 4 Jun 2007 20:37:50 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from mail-out3.apple.com (mail-out3.apple.com [17.254.13.22]) by mx1.freebsd.org (Postfix) with ESMTP id 83BE313C465; Mon, 4 Jun 2007 20:37:50 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from relay5.apple.com (relay5.apple.com [17.128.113.35]) by mail-out3.apple.com (Postfix) with ESMTP id 8F1847E144C; Mon, 4 Jun 2007 13:20:58 -0700 (PDT) Received: from relay5.apple.com (unknown [127.0.0.1]) by relay5.apple.com (Symantec Mail Security) with ESMTP id 7D97729C002; Mon, 4 Jun 2007 13:21:51 -0700 (PDT) X-AuditID: 11807123-9f821bb000000a23-d7-4664745fbe1c Received: from [17.214.13.96] (cswiger1.apple.com [17.214.13.96]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by relay5.apple.com (Apple SCV relay) with ESMTP id 617C530400D; Mon, 4 Jun 2007 13:21:51 -0700 (PDT) In-Reply-To: <20070603022742.GA2886@rot13.obsecurity.org> References: <46620099.4080007@FreeBSD.org> <20070603022742.GA2886@rot13.obsecurity.org> Mime-Version: 1.0 (Apple Message framework v752.2) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: Content-Transfer-Encoding: 7bit From: Chuck Swiger Date: Mon, 4 Jun 2007 13:21:51 -0700 To: Kris Kennaway X-Mailer: Apple Mail (2.752.2) X-Brightmail-Tracker: AAAAAA== Cc: Doug Barton , freebsd-current@freebsd.org Subject: Re: HEADS UP: BIND 9.4.1 imported X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Jun 2007 20:37:50 -0000 On Jun 2, 2007, at 7:27 PM, Kris Kennaway wrote: >> For the vast majority of users, this should be a noop. Please test, >> especially if you have a heavier loaded name server, and report any >> issues. > > Also I'll remark that we remain very interested in getting access to > either a busy nameserver or the data stream from one, in order to > profile FreeBSD kernel activity and look for places to optimize > performance. I've mentioned this before, but the dns/adns port provides some handy utilities for putting a DNS server under high loads. Something like the following command will generate anywhere from 200 queries/sec to 1500+ queries/sec, depending on the IPs involved in the logfile you use, and how rapidly the remote nameservers respond: /usr/local/bin/adnslogres -c 500 < /var/log/httpd-access.log >! / var/log/httpd-access.log.dns -- -Chuck