From owner-freebsd-questions@FreeBSD.ORG Wed Jul 23 18:56:40 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 56F8537B401 for ; Wed, 23 Jul 2003 18:56:40 -0700 (PDT) Received: from [204.213.64.2] (firewall.tiadon.com [204.213.64.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id 651B443F75 for ; Wed, 23 Jul 2003 18:56:39 -0700 (PDT) (envelope-from kdk@daleco.biz) Received: from rmc.tiadon.com by [204.213.64.2] ESMTP; Wed, 23 Jul 2003 20:56:36 -0500 Received: from applications.tiadon.com (mail.tiadon.com [172.16.18.172]) by bcec01.tiadon.net with SMTP (Microsoft Exchange Internet Mail Service Version 5.5.2653.13) id PQK81YMH; Wed, 23 Jul 2003 20:56:38 -0500 Received: from firewall.tiadon.com ([204.213.65.75]) by applications.tiadon.com with Microsoft SMTPSVC(5.5.1877.197.19); Wed, 23 Jul 2003 20:56:38 -0500 Received: from [204.213.65.75] by firewall.tiadon.com via smtpd (for mail.tiadon.com [172.16.18.172]) with ESMTP; Wed, 23 Jul 2003 20:56:33 -0500 Message-ID: <106b01c35186$b62a2a30$0441d5cc@nitanjared> From: "Kevin Kinsey, DaleCo, S.P." To: "John Fox" , References: <20030723213746.GT63060@mind.net> Date: Wed, 23 Jul 2003 20:55:49 -0500 Organization: DaleCo, S.P.---"the solutions people" MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: Re: Huge load average on mail server X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: "Kevin Kinsey, DaleCo, S.P." List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 Jul 2003 01:56:40 -0000 From: "John Fox" To: Sent: Wednesday, July 23, 2003 4:37 PM Subject: Huge load average on mail server > I recently became responsible for our mail server, and lately, the load > average on the thing has been running consistently high, in mid-20's to > mid-30's. And at the same time, sendmail has become extremely sluggish > in terms of responding to connections on port 25. > > There's got to be a bottleneck somewhere, but my experience leaves me > ill-equipped to seek it out. > > What procedures would folks recommend for me to follow in order to try and > determine the problem? > > Thank you, > > john In addition to other thoughts on this thread, if it IS the MTA: Examine queues; attempt to find patterns in logs, check DNS speed/configuration, check disks, memory, etc. KDK