Date: Fri, 11 May 2007 23:26:37 +0300 From: "Abdullah Ibn Hamad Al-Marri" <almarrie@gmail.com> To: "Robert Watson" <rwatson@freebsd.org> Cc: stable@freebsd.org Subject: Re: UNIX domain sockets MFC's Message-ID: <499c70c0705111326gac4e215i709e7cbc3d0d9888@mail.gmail.com> In-Reply-To: <20070511204540.M24765@fledge.watson.org> References: <20070508132149.A24765@fledge.watson.org> <20070511124830.N24765@fledge.watson.org> <499c70c0705111213tddabb55g696bf5dc0fc92f70@mail.gmail.com> <20070511204540.M24765@fledge.watson.org>
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On 5/11/07, Robert Watson <rwatson@freebsd.org> wrote: > On Fri, 11 May 2007, Abdullah Ibn Hamad Al-Marri wrote: > > > On 5/11/07, Robert Watson <rwatson@freebsd.org> 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/
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