From owner-freebsd-performance@FreeBSD.ORG Tue May 9 00:35:18 2006 Return-Path: X-Original-To: freebsd-performance@freebsd.org Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8627016A44B; Tue, 9 May 2006 00:35:18 +0000 (UTC) (envelope-from hadara@bsd.ee) Received: from mx1.starman.ee (smtp-out1.starman.ee [85.253.0.3]) by mx1.FreeBSD.org (Postfix) with ESMTP id B354543D8F; Tue, 9 May 2006 00:35:12 +0000 (GMT) (envelope-from hadara@bsd.ee) Received: from depression.softematic.com (depression.softematic.com [62.65.205.81]) by mx1.starman.ee (Postfix) with ESMTP id 8AB7123C157; Tue, 9 May 2006 03:35:08 +0300 (EEST) From: Sven Petai To: freebsd-performance@freebsd.org Date: Tue, 9 May 2006 03:34:59 +0300 User-Agent: KMail/1.9.1 References: <20060506150622.C17611@fledge.watson.org> <200605081843.31825.davidxu@freebsd.org> <20060508184322.GA49344@xor.obsecurity.org> In-Reply-To: <20060508184322.GA49344@xor.obsecurity.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200605090335.00451.hadara@bsd.ee> X-Virus-Scanned: by Amavisd-New at mx1.starman.ee Cc: Kris Kennaway , David Xu , current@freebsd.org Subject: Re: Fine-grained locking for POSIX local sockets (UNIX domain sockets) 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: Tue, 09 May 2006 00:35:21 -0000 > Hmm, with this patch mysql 4.1 seems to crash at startup. I haven't > yet had time to investigate. Is anyone else seeing this? > Seems to run fine here with 4.1.18 on amd64, but doesn't seem to make much difference though. I ran the tests again on the 8 core machine with and without rwatsons patch and this time with 6 tests for each setting and generated graphs: http://bsd.ee/~hadara/debug/mysql4/stats.html thr + select smack dynamics with the patch really do look quite interesting PS I'm currently running testround with rwatsons patch + http://people.freebsd.org/~csjp/kern_descrip.c.1145074052.diff + mysqld change davidxu suggested. Are there any other patches out there that I should try ?