From owner-freebsd-performance@FreeBSD.ORG Sun Feb 25 19:22:04 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 838E416A403 for ; Sun, 25 Feb 2007 19:22:04 +0000 (UTC) (envelope-from killing@multiplay.co.uk) Received: from multiplay.co.uk (core6.multiplay.co.uk [85.236.96.23]) by mx1.freebsd.org (Postfix) with ESMTP id 1095B13C494 for ; Sun, 25 Feb 2007 19:21:59 +0000 (UTC) (envelope-from killing@multiplay.co.uk) X-Spam-Checker-Version: SpamAssassin 3.1.5 (2006-08-29) on core6.multiplay.co.uk X-Spam-Level: X-Spam-Status: No, score=-24.6 required=6.0 tests=BAYES_00,HTML_50_60, HTML_MESSAGE,USER_IN_WHITELIST,USER_IN_WHITELIST_TO autolearn=ham version=3.1.5 Received: from vader ([212.135.219.179]) by multiplay.co.uk (multiplay.co.uk [85.236.96.23]) (MDaemon PRO v9.5.4) with ESMTP id md50003560499.msg for ; Sun, 25 Feb 2007 19:19:39 +0000 Message-ID: <002401c75911$df69fdd0$b3db87d4@multiplay.co.uk> From: "Steven Hartland" To: "Francisco Reyes" , "Petri Helenius" References: <0e2001c7574c$26bc15a0$b3db87d4@multiplay.co.uk> <20070224005748.GA25295@xor.obsecurity.org> <45E1C3FC.6040905@he.iki.fi> Date: Sun, 25 Feb 2007 19:19:23 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3028 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 X-MDRemoteIP: 212.135.219.179 X-Return-Path: killing@multiplay.co.uk X-Envelope-From: killing@multiplay.co.uk X-MDaemon-Deliver-To: freebsd-performance@freebsd.org X-Spam-Processed: multiplay.co.uk, Sun, 25 Feb 2007 19:19:40 +0000 X-MDAV-Processed: multiplay.co.uk, Sun, 25 Feb 2007 19:19:40 +0000 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-performance@freebsd.org, Kris Kennaway Subject: Re: FreeBSD Scaling on 6.2-RELEASE? 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: Sun, 25 Feb 2007 19:22:04 -0000 Francisco Reyes wrote: > What combination of FreeBSD+Mysql will have multiple threads run by > different CPUs? >=20 > In the few SMP FreeBSD + Mysql setups (mysql 4.X) that I have at work > I only see mysql in one cpu as reported by top. I just did the tests highlighted on the thread: Progress on scaling of FreeBSD on 8 CPU systems During that you see mysql using 130+% in top as its being scheduled on more than 1 cpu due it being multi-threaded so this does happen =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D 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.=20 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.