From owner-freebsd-stable@FreeBSD.ORG Wed Oct 5 22:46:07 2011 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7E241106566B for ; Wed, 5 Oct 2011 22:46:05 +0000 (UTC) (envelope-from prvs=1259955070=killing@multiplay.co.uk) Received: from mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) by mx1.freebsd.org (Postfix) with ESMTP id 08A928FC08 for ; Wed, 5 Oct 2011 22:46:04 +0000 (UTC) X-MDAV-Processed: mail1.multiplay.co.uk, Wed, 05 Oct 2011 23:45:22 +0100 X-Spam-Processed: mail1.multiplay.co.uk, Wed, 05 Oct 2011 23:45:22 +0100 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on mail1.multiplay.co.uk X-Spam-Level: X-Spam-Status: No, score=-5.0 required=6.0 tests=USER_IN_WHITELIST shortcircuit=ham autolearn=disabled version=3.2.5 Received: from r2d2 ([188.220.16.49]) by mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) (MDaemon PRO v10.0.4) with ESMTP id md50015378201.msg for ; Wed, 05 Oct 2011 23:45:20 +0100 X-MDRemoteIP: 188.220.16.49 X-Return-Path: prvs=1259955070=killing@multiplay.co.uk X-Envelope-From: killing@multiplay.co.uk X-MDaemon-Deliver-To: freebsd-stable@freebsd.org Message-ID: <19FA908AC3DD4788A4F8E50E45F06636@multiplay.co.uk> From: "Steven Hartland" To: "Jeremy Chadwick" References: <2740DA0E7C0F495BA00E6D4BC0FE8F37@multiplay.co.uk> <41092663DF7A417D8A934A2840033412@multiplay.co.uk> <20111005004722.GA27935@icarus.home.lan> Date: Wed, 5 Oct 2011 23:45:52 +0100 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6109 Cc: liv3d@multiplay.co.uk, freebsd-stable@freebsd.org Subject: Re: serious packet routing issue causing ntpd high load? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 Oct 2011 22:46:07 -0000 ----- Original Message ----- From: "Jeremy Chadwick" > 1428 root 1 44 0 11900K 2860K select 0 0:17 0.00% /usr/sbin/ntpd -c /conf/ME/ntp.conf -p /var/run/ntpd.pid -f > > And "route -n monitor" shows no anomalies here. > > Maybe you should tcpdump to find out if there is a client or peer which > is constantly pounding ntpd for some reason, or if ntpd is constantly > nagging some peer? Not sure. Yep already checked this it seems we're seeing a MISS per packet sent to mysql clients :( Regards Steve ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.