From owner-freebsd-hackers@FreeBSD.ORG Wed Sep 24 07:46:47 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D11F01065678 for ; Wed, 24 Sep 2008 07:46:47 +0000 (UTC) (envelope-from danger@rulez.sk) Received: from services.rulez.sk (services.rulez.sk [92.240.234.125]) by mx1.freebsd.org (Postfix) with ESMTP id 8A39B8FC21 for ; Wed, 24 Sep 2008 07:46:47 +0000 (UTC) (envelope-from danger@rulez.sk) Received: from localhost (services.rulez.sk [92.240.234.125]) by services.rulez.sk (Postfix) with ESMTP id 0B62E13345DC; Wed, 24 Sep 2008 09:26:57 +0200 (CEST) X-Virus-Scanned: amavisd-new at rulez.sk Received: from services.rulez.sk ([92.240.234.125]) by localhost (services.rulez.sk [92.240.234.125]) (amavisd-new, port 10024) with ESMTP id zcNiVP03bKhH; Wed, 24 Sep 2008 09:26:56 +0200 (CEST) Received: from hosting.cia.sk (hosting.cia.sk [92.240.234.123]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by services.rulez.sk (Postfix) with ESMTPS id 545A813345DB; Wed, 24 Sep 2008 09:26:56 +0200 (CEST) Received: (from www@localhost) by hosting.cia.sk (8.14.2/8.14.2/Submit) id m8O7Qt4g015024; Wed, 24 Sep 2008 09:26:55 +0200 (CEST) (envelope-from danger@rulez.sk) X-Authentication-Warning: hosting.cia.sk: www set sender to danger@rulez.sk using -f To: Jeff Wheelhouse MIME-Version: 1.0 Date: Wed, 24 Sep 2008 09:26:55 +0200 From: Daniel Gerzo In-Reply-To: <8185F68B-C443-4891-BEC2-5E3D453DDC93@wheelhouse.org> References: <8185F68B-C443-4891-BEC2-5E3D453DDC93@wheelhouse.org> Message-ID: <5654e5239c4c2cda3aaa56bb7e1acd30@services.rulez.sk> X-Sender: danger@rulez.sk User-Agent: RoundCube Webmail/0.2a Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Wed, 24 Sep 2008 11:30:11 +0000 Cc: freebsd-hackers@freebsd.org Subject: Re: Major SMP problems with lstat/namei X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Sep 2008 07:46:47 -0000 Hello Jeff, On Wed, 24 Sep 2008 00:52:59 -0400, Jeff Wheelhouse wrote: > > We have encountered some serious SMP performance/scalability problems > that we've tracked back to lstat/namei calls. I've written a quick this all seems like a reason of very poor performance of PHP when used with open_basedir and safe_mode enabled. It would be nice to see if there's something what could be done to make it better. -- S pozdravom / Best regards Daniel Geržo