Return-Path: Delivered-To: apmail-httpd-users-archive@httpd.apache.org Received: (qmail 19873 invoked by uid 500); 4 Apr 2002 16:28:42 -0000 Mailing-List: contact users-help@httpd.apache.org; run by ezmlm Precedence: bulk Reply-To: users@httpd.apache.org list-help: list-unsubscribe: list-post: Delivered-To: mailing list users@httpd.apache.org Received: (qmail 19862 invoked from network); 4 Apr 2002 16:28:41 -0000 Received: from smtpout.mac.com (204.179.120.86) by daedalus.apache.org with SMTP; 4 Apr 2002 16:28:41 -0000 Received: from smtp-relay01.mac.com (server-source-si02 [10.13.10.6]) by smtpout.mac.com (8.12.1/8.10.2/1.0) with ESMTP id g34GSirO016116 for ; Thu, 4 Apr 2002 08:28:44 -0800 (PST) Received: from asmtp02.mac.com ([10.13.10.66]) by smtp-relay01.mac.com (Netscape Messaging Server 4.15 relay01 Jun 21 2001 23:53:48) with ESMTP id GU1XRW00.FNM for ; Thu, 4 Apr 2002 08:28:44 -0800 Received: from [207.203.61.112] ([207.203.61.112]) by asmtp02.mac.com (Netscape Messaging Server 4.15 asmtp02 Jun 21 2001 23:53:48) with ESMTP id GU1XRV00.9MD for ; Thu, 4 Apr 2002 08:28:43 -0800 User-Agent: Microsoft-Entourage/10.0.0.1331 Date: Thu, 04 Apr 2002 11:28:42 -0500 Subject: Re: memory From: Bill -Sx- Jones To: Message-ID: In-Reply-To: <001401c1dbf4$c8a404a0$5b260431@tricorder> Mime-version: 1.0 X-Sender: -Sx- IUDICIUM X-Origin: OuterLimits Content-type: text/plain; charset="US-ASCII" Content-transfer-encoding: 7bit X-Spam-Rating: daedalus.apache.org 1.6.2 0/1000/N On 4/4/02 11:21 AM, "Andrew Kunz" wrote: > 11 million hits on an average day (approaching 400 hits per second at > peak). Our other memory consumers are websphere and jvms so the > calculation for allocating memory there is easy since they are fixed. > > I'm really only worried about peak numbers (we do hit them under backend > slowdowns) so based on what your saying is it safe to assume for apache > > (Maxclients) * (ppid memory consumption) = (max expected consumed > memory) Yes - to be safe you would need about 1.8e+10 RAM or about 18,000,000,000 *virtual* bytes during those *load* seconds... I would hazard from my AIX 4x days that it would mean a machine with 4GB of real RAM should be able to handle it. Apache 2.0 handles shared better, however... -Sx- :] My new personal quote: Be alert! The world needs more Lerts! :) --------------------------------------------------------------------- The official User-To-User support forum of the Apache HTTP Server Project. See for more info. To unsubscribe, e-mail: users-unsubscribe@httpd.apache.org For additional commands, e-mail: users-help@httpd.apache.org