From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 26 Sep 2001 15:50:02 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 26 Sep 2001 15:49:52 -0400 Received: from dfw-smtpout4.email.verio.net ([129.250.36.44]:20112 "EHLO dfw-smtpout4.email.verio.net") by vger.kernel.org with ESMTP id ; Wed, 26 Sep 2001 15:49:40 -0400 Message-ID: <3BB23168.FA0256CD@bigfoot.com> Date: Wed, 26 Sep 2001 12:50:00 -0700 From: Tim Moore Organization: Yoyodyne Propulsion Systems, Inc. X-Mailer: Mozilla 4.78 [en] (X11; U; Linux 2.2.20p10i i686) X-Accept-Language: en MIME-Version: 1.0 To: jlmales@softhome.net CC: Mike Fedyk , linux-kernel@vger.kernel.org Subject: Re: Linux Kernel 2.2.20-pre10 Initial Impressions In-Reply-To: <3BB116BF.19313.7E42D8@localhost> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org "John L. Males" wrote: > ... > Ok, you make a good point in your suggestion re: > > You will probably see dns requests going out. You should check to > make sure that you are not blocking incomming udp ports (1024-5000 > for bind, not sure about resolver...) as that would lengthen the > response time considerably if only a few are open, and completely > stop you if all are blocked. > ... strace will instantly validate or eliminate DNS lookup delays as an issue wo having to sort through tcpdump output. In my case nscd was a lifesaver and saved me from running local bind server. rgds, tim. --