From owner-freebsd-performance@FreeBSD.ORG Fri Mar 30 07:10:56 2007 Return-Path: X-Original-To: freebsd-performance@freebsd.org Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id C925116A406 for ; Fri, 30 Mar 2007 07:10:56 +0000 (UTC) (envelope-from teklimbu@wlink.com.np) Received: from smtp5.wlink.com.np (smtp5.wlink.com.np [202.79.32.52]) by mx1.freebsd.org (Postfix) with SMTP id 0D92A13C46A for ; Fri, 30 Mar 2007 07:10:53 +0000 (UTC) (envelope-from teklimbu@wlink.com.np) Received: (qmail 23168 invoked from network); 30 Mar 2007 06:44:08 -0000 Received: from unknown (HELO smtp1.wlink.com.np) (202.79.32.76) by 0 with SMTP; 30 Mar 2007 06:44:08 -0000 Received: (qmail 49571 invoked by uid 98); 30 Mar 2007 06:44:08 -0000 Received: from 202.79.36.216 by smtp1.wlink.com.np (envelope-from , uid 1009) with qmail-scanner-1.25 (clamdscan: 0.88.4/2205. Clear:RC:1(202.79.36.216):. Processed in 0.037648 secs); 30 Mar 2007 06:44:08 -0000 X-Qmail-Scanner-Mail-From: teklimbu@wlink.com.np via smtp1.wlink.com.np X-Qmail-Scanner: 1.25 (Clear:RC:1(202.79.36.216):. Processed in 0.037648 secs) Received: from [202.79.36.216] (HELO teklimbu.wlink.com.np) by smtp1.wlink.com.np (qmail-smtpd) with SMTP; 30 Mar 2007 06:44:05 -0000 (Fri, 30 Mar 2007 12:29:05 +0545) Received: from teklimbu.wlink.com.np ([202.79.36.216]) by teklimbu.wlink.com.np with smtp (Exim 4.66) (envelope-from ) id 1HXAqB-000JfB-Fu; Fri, 30 Mar 2007 12:29:03 +0545 Date: Fri, 30 Mar 2007 12:28:58 +0545 From: Tek Bahadur Limbu To: freebsd-performance@freebsd.org Message-Id: <20070330122858.93392f43.teklimbu@wlink.com.np> Organization: Worldlink Communications Pvt. Ltd. X-Mailer: Sylpheed version 2.2.0 (GTK+ 2.8.12; i386-portbld-freebsd6.1) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Check-By: smtp1.wlink.com.np Spam: No ; 0.3 / 7.0 X-Spam-Status-WL: No, hits=0.3 required=7.0 Subject: FreeBSD-6.1 reboots due to high mbufs X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Mar 2007 07:10:56 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Dear All, I am quite new to FreeBSD in general and I also don't have much experience and knowledge as required by this mailing list. I had posted this on freebsd-questions but till now have not received any kind of feedback which is fine. I need some help and suggestions from this mailing list if permissible. I am sorry if I am posting this to the wrong mailing list. I have squid proxy server running on a FreeBSD-6.1 (amd) box. I have been facing this problem for sometime now. It's related to mbufs. For some reasons, my mbufs usage is extremely high. This high mbufs usage causes slow responses from Squid and in rare occasions, it even causes my server to reboot or locks out SSH sessions. This FreeBSD-6.1 squid box serves about 3000-4000 users. Server specs are: Dell 430 Intel(R) Pentium(R) D CPU 3.00GHz-Dual CPU real memory = 2145959936 (2046 MB) bge0: X-Original-To: freebsd-performance@freebsd.org Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 0678A16A400 for ; Fri, 30 Mar 2007 09:04:37 +0000 (UTC) (envelope-from gary@velocity-servers.net) Received: from longhorn.velocity-servers.net (longhorn.velocity-servers.net [65.99.246.30]) by mx1.freebsd.org (Postfix) with ESMTP id D2CC513C4BD for ; Fri, 30 Mar 2007 09:04:36 +0000 (UTC) (envelope-from gary@velocity-servers.net) Received: from pool-70-16-175-18.hag.east.verizon.net ([70.16.175.18] helo=Monk-PC.velocity-servers.net) by longhorn.velocity-servers.net with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.66 (FreeBSD)) (envelope-from ) id 1HXCPs-0007Vr-7U; Fri, 30 Mar 2007 03:25:00 -0500 X-Mailer: QUALCOMM Windows Eudora Version 7.1.0.9 Date: Fri, 30 Mar 2007 04:25:06 -0400 To: Tek Bahadur Limbu , freebsd-performance@freebsd.org From: Gary Stanley In-Reply-To: <20070330122858.93392f43.teklimbu@wlink.com.np> References: <20070330122858.93392f43.teklimbu@wlink.com.np> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - longhorn.velocity-servers.net X-AntiAbuse: Original Domain - freebsd.org X-AntiAbuse: Originator/Caller UID/GID - [0 0] / [26 6] X-AntiAbuse: Sender Address Domain - velocity-servers.net X-Source: X-Source-Args: X-Source-Dir: Message-Id: <20070330090436.D2CC513C4BD@mx1.freebsd.org> X-Mailman-Approved-At: Fri, 30 Mar 2007 11:44:03 +0000 Cc: Subject: Re: FreeBSD-6.1 reboots due to high mbufs X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 30 Mar 2007 09:04:37 -0000 At 02:43 AM 3/30/2007, Tek Bahadur Limbu wrote: >I have squid proxy server running on a FreeBSD-6.1 (amd) box. I have >been facing this problem for sometime now. It's related to mbufs. >For some reasons, my mbufs usage is extremely high. This high mbufs >usage causes slow responses from Squid and in rare occasions, it >even causes my server to reboot or locks out SSH sessions. > >This FreeBSD-6.1 squid box serves about 3000-4000 users. > Lower your net.inet.tcp.{recv,send}space to 32768, or 16384