Date: Sun, 27 Jan 2008 14:39:31 +0000 From: Hugo Silva <hugo@barafranca.com> To: freebsd-performance@freebsd.org Cc: Miroslav Lachman <000.fbsd@quip.cz> Subject: Re: PHP with open_basedir performance problem Message-ID: <479C97A3.2000009@barafranca.com> In-Reply-To: <479B1185.8020604@quip.cz> References: <479B1185.8020604@quip.cz>
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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
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