From owner-freebsd-stable@FreeBSD.ORG Fri May 11 20:26:38 2007 Return-Path: X-Original-To: stable@freebsd.org Delivered-To: freebsd-stable@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id E27DA16A400 for ; Fri, 11 May 2007 20:26:38 +0000 (UTC) (envelope-from almarrie@gmail.com) Received: from an-out-0708.google.com (an-out-0708.google.com [209.85.132.247]) by mx1.freebsd.org (Postfix) with ESMTP id 9D1F613C447 for ; Fri, 11 May 2007 20:26:38 +0000 (UTC) (envelope-from almarrie@gmail.com) Received: by an-out-0708.google.com with SMTP id d23so257233and for ; Fri, 11 May 2007 13:26:38 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=DIvvxGjNJS2gZU7tMH6brvmf++aVZqrtrHJ/Xrs6h1sNsLzO9Lg3a09pvgVhdSDYPPk83YwI8dETqUEUQE8ruWpYi1lYMAW6OYvb9OprtH5BDJvfejdWjkfv0a1qYQg0IsSLor/kbTHWKKDx8i61BvSSAVPumGB75mFGvvlCveo= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=LTnQmPxvUQaparuIQNMYAUaxV/t7XxFEvaS0X2U8FDMzrjcN2gD/9ERLnete4lZXS+MLU3aCgvVgRzR0FBazBawwQy+mLX2Sq9DIyBJ2U4C95NkvXM9CpZ6kyNpeNHJhBsSMsR7WRPxU5VBLzL7bKFLHH8cALabm8OinRY9eVYc= Received: by 10.100.154.13 with SMTP id b13mr2528961ane.1178915197425; Fri, 11 May 2007 13:26:37 -0700 (PDT) Received: by 10.100.9.14 with HTTP; Fri, 11 May 2007 13:26:37 -0700 (PDT) Message-ID: <499c70c0705111326gac4e215i709e7cbc3d0d9888@mail.gmail.com> Date: Fri, 11 May 2007 23:26:37 +0300 From: "Abdullah Ibn Hamad Al-Marri" To: "Robert Watson" In-Reply-To: <20070511204540.M24765@fledge.watson.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070508132149.A24765@fledge.watson.org> <20070511124830.N24765@fledge.watson.org> <499c70c0705111213tddabb55g696bf5dc0fc92f70@mail.gmail.com> <20070511204540.M24765@fledge.watson.org> Cc: stable@freebsd.org Subject: Re: UNIX domain sockets MFC's 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: Fri, 11 May 2007 20:26:39 -0000 On 5/11/07, Robert Watson wrote: > On Fri, 11 May 2007, Abdullah Ibn Hamad Al-Marri wrote: > > > On 5/11/07, Robert Watson wrote: > >> On Tue, 8 May 2007, Robert Watson wrote: > >> > >> > Right now I am tracking two known issues with UNIX domain sockets in > >> > RELENG_6: > >> > > >> > - Reported NULL point derference in unp_connect(), which occurs due to > >> the > >> > dropping of locks around sonewconn(). This is fixed in HEAD, and I am > >> > preparing an MFC of this patch. > >> > >> The fix for this has now been merged as 1.155.2.22. As there have been no > >> new reports of UNIX domain socket problems in the last couple of days, it > >> sounds like the MFC of the last batch of fixes and cleanups has not lead to > >> problems. > > > > I updated my server which has dual CPU with SMP one hour ago, and I didn't > > see any speed improvement in the MySQL. > > The speed improvements associated with these MFC's is minor; primarily they > are stability improvements under high load. There are major performance > improvements in the 7.x implementation, especially for multi-core systems, but > I have no current plans to MFC them, as they interact with other system > components and may depend on other changes that also haven't been MFC'd. > > Robert N M Watson > Computer Laboratory > University of Cambridge > Robert, Thanks for clearing this up. How safe is using 7.0 for MySQL server now? -- Regards, -Abdullah Ibn Hamad Al-Marri Arab Portal http://www.WeArab.Net/