From owner-freebsd-questions@FreeBSD.ORG Wed Nov 7 15:17:07 2007 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 3B42216A41A for ; Wed, 7 Nov 2007 15:17:07 +0000 (UTC) (envelope-from derek@computinginnovations.com) Received: from betty.computinginnovations.com (mail.computinginnovations.com [64.81.227.250]) by mx1.freebsd.org (Postfix) with ESMTP id C854D13C4B9 for ; Wed, 7 Nov 2007 15:17:05 +0000 (UTC) (envelope-from derek@computinginnovations.com) Received: from p28.computinginnovations.com (dhcp-10-20-30-100.computinginnovations.com [10.20.30.100]) (authenticated bits=0) by betty.computinginnovations.com (8.13.8/8.13.8) with ESMTP id lA7FGVmM002732; Wed, 7 Nov 2007 09:16:31 -0600 (CST) (envelope-from derek@computinginnovations.com) Message-Id: <6.0.0.22.2.20071107091436.024fe720@mail.computinginnovations.com> X-Sender: derek@mail.computinginnovations.com X-Mailer: QUALCOMM Windows Eudora Version 6.0.0.22 Date: Wed, 07 Nov 2007 09:15:50 -0600 To: Mario Lobo , freebsd-questions@freebsd.org From: Derek Ragona In-Reply-To: <200711071139.55971.mario.lobo@ipad.com.br> References: <200711071139.55971.mario.lobo@ipad.com.br> Mime-Version: 1.0 X-ComputingInnovations-MailScanner-Information: Please contact the ISP for more information X-ComputingInnovations-MailScanner: Found to be clean X-ComputingInnovations-MailScanner-From: derek@computinginnovations.com X-Spam-Status: No Content-Type: text/plain; charset="us-ascii"; format=flowed X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Subject: Re: Memory problem X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Nov 2007 15:17:07 -0000 At 08:39 AM 11/7/2007, Mario Lobo wrote: >Hello; > >I'm running a qmailrocks install + DNS server here. Hosting 14 domains and >their respective e-mail accounts. Everything seems to be working fine. > >The machine is: > >------------------------------------------ >FreeBSD 6.2-STABLE #0: Mon Sep 10 14:15:16 BRT 2007 >CPU: Intel(R) Core(TM)2 CPU 6700 @ 2.66GHz (2669.94-MHz K8-class CPU) > Origin = "GenuineIntel" Id = 0x6f6 Stepping = 6 > Cores per package: 2 >real memory = 3488481280 (3326 MB) >avail memory = 3362598912 (3206 MB) >FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs > cpu0 (BSP): APIC ID: 0 > cpu1 (AP): APIC ID: 1 >------------------------------------------ > >When I turn the machine on/restart it, it starts off with around 2800 Mb free >memory. I know that, in its course of work, a few of those processes do not >properly return memory back to the system. The machine was last restarted >exactly a week ago (last wednesday). Now 'top' shows me this: > >------------------------------------------ >last pid: 17204; load averages: 0.00, 0.04, 0.06 up 5+21:00:50 11:18:58 >135 processes: 1 running, 132 sleeping, 2 zombie >CPU states: 0.6% user, 0.0% nice, 0.4% system, 0.2% interrupt, 98.9% idle >Mem: 379M Active, 1915M Inact, 256M Wired, 119M Cache, 214M Buf, 415M Free >Swap: 5120M Total, 5120M Free >------------------------------------------ > >Here are my questions: > >Is this a "normal thing" to happen with memory in just one week? >Does the '1915M Inact' means "zombie memory" (non-returned)? >Is there a manual garbage collector i could run? >What is your advise on what method I could use to precisely track down what >program(s) is(are) causing this? > >I am attaching a png graphic of this. > >Thanks, I have seen memory "eaten up" by running anti-virus and mail scanning software particularly if you are not bouncing spam. I would check your spam handling. -Derek -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. MailScanner thanks transtec Computers for their support.