From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753525Ab1IPOXY (ORCPT ); Fri, 16 Sep 2011 10:23:24 -0400 Received: from one.firstfloor.org ([213.235.205.2]:57916 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751254Ab1IPOXW (ORCPT ); Fri, 16 Sep 2011 10:23:22 -0400 Date: Fri, 16 Sep 2011 16:23:19 +0200 From: Andi Kleen To: Andres Freund Cc: Matthew Wilcox , Andi Kleen , viro@zeniv.linux.org.uk, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Improve lseek scalability v3 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 Content-Disposition: inline In-Reply-To: <201109161616.50004.andres@anarazel.de> User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@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.