Return-Path: Delivered-To: apmail-tomcat-users-archive@www.apache.org Received: (qmail 49001 invoked from network); 27 Dec 2010 15:35:55 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 27 Dec 2010 15:35:55 -0000 Received: (qmail 96154 invoked by uid 500); 27 Dec 2010 15:35:52 -0000 Delivered-To: apmail-tomcat-users-archive@tomcat.apache.org Received: (qmail 95966 invoked by uid 500); 27 Dec 2010 15:35:51 -0000 Mailing-List: contact users-help@tomcat.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: "Tomcat Users List" Delivered-To: mailing list users@tomcat.apache.org Received: (qmail 95956 invoked by uid 99); 27 Dec 2010 15:35:51 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 27 Dec 2010 15:35:51 +0000 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of aw@ice-sa.com designates 212.85.38.228 as permitted sender) Received: from [212.85.38.228] (HELO tor.combios.es) (212.85.38.228) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 27 Dec 2010 15:35:43 +0000 Received: from [192.168.245.129] (p549E8AB6.dip0.t-ipconnect.de [84.158.138.182]) by tor.combios.es (Postfix) with ESMTPA id 577422261F9 for ; Mon, 27 Dec 2010 16:29:43 +0100 (CET) Message-ID: <4D18B214.1060005@ice-sa.com> Date: Mon, 27 Dec 2010 16:34:44 +0100 From: =?ISO-8859-1?Q?Andr=E9_Warnier?= Reply-To: Tomcat Users List User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) MIME-Version: 1.0 To: Tomcat Users List Subject: Re: Tomcat 5.5/HTTPD cluster question References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Don Hill wrote: > Hi. > > I am working on a tomcat 5.5 cluster which is using ajp/1.3 and mod_jk and > trying to determine the best cluster design given the hardware. I have 2 > xeon 2.3 ghz 2 CPU machines with 38GB ram machine. Currently here is the > config I am using. The TOMCAT and HTTPD servers are on the same physical > machine. > > Each machine is running HTTPD 1.3 with prefork, the MaxClients is 256 due > compiled in limits. Each machine has 4 virtualhosts running through one > instance of HTTPD. Two of the VHOSTS are the same app running on Tomcat 5.5 > with 8GB RAM(configured by customer). The workers are configured to each > VHOST meaning for each machine there are 4 workers defined and one worker > is defined for each VHOST. I will try and depict this below. The current > load balancing is controlled by F5 and manages the load across 2 machines, 4 > VHOST for each app. > > Based on this info can someone recommend if this configuration could be > improved and if so what would you recommend ? > The very first thing that I would recommend, would be to use the current versions of both httpd and tomcat. The versions you mention above are several years old, and no longer being developed, except maybe for security patches. See : http://httpd.apache.org/docs/1.3/ See : http://tomcat.apache.org/whichversion.html --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org For additional commands, e-mail: users-help@tomcat.apache.org