Date: Wed, 24 Sep 2008 04:40:38 -0700 From: Jeremy Chadwick <koitsu@FreeBSD.org> To: Daniel Gerzo <danger@rulez.sk> Cc: Jeff Wheelhouse <freebsd-hackers@wheelhouse.org>, freebsd-hackers@freebsd.org Subject: Re: Major SMP problems with lstat/namei Message-ID: <20080924114038.GA81573@icarus.home.lan> In-Reply-To: <5654e5239c4c2cda3aaa56bb7e1acd30@services.rulez.sk> References: <8185F68B-C443-4891-BEC2-5E3D453DDC93@wheelhouse.org> <5654e5239c4c2cda3aaa56bb7e1acd30@services.rulez.sk>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, Sep 24, 2008 at 09:26:55AM +0200, Daniel Gerzo wrote: > Hello Jeff, > > On Wed, 24 Sep 2008 00:52:59 -0400, Jeff Wheelhouse > <freebsd-hackers@wheelhouse.org> 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. Both of which are features which will, thankfully, be removed in PHP 6. Whoever uses these features in PHP deserves the pain -- they're worthless and provide no security what-so-ever. Consider using suPHP or an MPM like mpm-itk. Also, PHP and performance shouldn't be put in the same sentence. </rant> -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20080924114038.GA81573>