Date: Sun, 27 Jan 2008 16:47:40 +0000 From: Hugo Silva <hugo@barafranca.com> To: freebsd-performance@freebsd.org Subject: Re: PHP with open_basedir performance problem Message-ID: <479CB5AC.9060006@barafranca.com> In-Reply-To: <479C97A3.2000009@barafranca.com> References: <479B1185.8020604@quip.cz> <479C97A3.2000009@barafranca.com>
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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
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