From owner-freebsd-performance@FreeBSD.ORG Sun Jan 27 16:48:12 2008 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8A75216A417 for ; Sun, 27 Jan 2008 16:48:12 +0000 (UTC) (envelope-from hugo@barafranca.com) Received: from mail.barafranca.com (mail.barafranca.com [67.213.67.47]) by mx1.freebsd.org (Postfix) with ESMTP id 60D6313C468 for ; Sun, 27 Jan 2008 16:48:12 +0000 (UTC) (envelope-from hugo@barafranca.com) Received: from localhost (unknown [172.16.100.24]) by mail.barafranca.com (Postfix) with ESMTP id D01A21BD5 for ; Sun, 27 Jan 2008 16:48:11 +0000 (UTC) X-Virus-Scanned: amavisd-new at barafranca.com Received: from mail.barafranca.com ([172.16.100.24]) by localhost (mail.barafranca.com [172.16.100.24]) (amavisd-new, port 10024) with ESMTP id BlJnkIzpBiX6 for ; Sun, 27 Jan 2008 16:47:40 +0000 (UTC) Received: from [192.168.200.26] (a213-22-38-76.cpe.netcabo.pt [213.22.38.76]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.barafranca.com (Postfix) with ESMTP id 841B51BBB for ; Sun, 27 Jan 2008 16:47:39 +0000 (UTC) Message-ID: <479CB5AC.9060006@barafranca.com> Date: Sun, 27 Jan 2008 16:47:40 +0000 From: Hugo Silva User-Agent: Thunderbird 2.0.0.9 (X11/20071213) MIME-Version: 1.0 To: freebsd-performance@freebsd.org References: <479B1185.8020604@quip.cz> <479C97A3.2000009@barafranca.com> In-Reply-To: <479C97A3.2000009@barafranca.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: PHP with open_basedir performance problem 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: Sun, 27 Jan 2008 16:48:12 -0000 Hugo Silva wrote: > Miroslav Lachman wrote: >> Hi all, >> >> I found a painful performance problem with Apache + PHP 5 when >> open_basedir directive is enabled. >> Application performance drops by more than 50% with open_basedir >> enabled. >> There is also significant disproportion between usr / sys CPU load. (sys >> is much higher than usr) >> I do not know if this is problem on FreeBSD side or in PHP code itself. >> This problem exists on FreeBSD 6 and 7 (maybe older versions too - I did >> not check). >> I tested both shedulers on FreeBSD 7, no big difference (application >> performance is little better with 4BSD). >> Is there anyone with enough knowledge and time to look at it? >> >> This problem affects Mac OS X as well, but does not seem to appear on >> Linux. >> http://lists.apple.com/archives/macos-x-server/2006/Nov/msg00623.html > > I too have seen this, sys% is so MUCH higher and jumps from about 30% > to 70% and higher all the time. In my case it's like 3% user time, > 30-70% system time. I will try disabling open_basedir on one of the > webservers and report back. > > Best regards, > > Hugo > _______________________________________________ > freebsd-performance@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-performance > To unsubscribe, send any mail to > "freebsd-performance-unsubscribe@freebsd.org" From 30-70% to 3%. What a difference! Hugo