From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: Improve lseek scalability v3 Date: Fri, 16 Sep 2011 16:23:19 +0200 Message-ID: <20110916142319.GE7761@one.firstfloor.org> References: <1316128013-21980-1-git-send-email-andi@firstfloor.org> <20110916130054.GA8997@parisc-linux.org> <201109161616.50004.andres@anarazel.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Matthew Wilcox , Andi Kleen , viro@zeniv.linux.org.uk, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org To: Andres Freund Return-path: Content-Disposition: inline In-Reply-To: <201109161616.50004.andres@anarazel.de> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org > I sent an email containing benchmarks from Robert Haas regarding the Subject. > Looking at lkml.org I can't see it right now, Will recheck when I am at home. I never saw that. Thanks for the data. > You likely won't be able to see the bottlenecks with any of the released > postgres versions as there are bottlenecks fixed in HEAD that throttle way > before that. FWIW we did some postgres testing on a 4 socket, but only with the heavily patched MOSBENCH version, which fixes various locking problems. Didn't run it with that patchkit though. -Andi -- ak@linux.intel.com -- Speaking for myself only.