Date: Wed, 06 Sep 2006 22:33:05 +0200 From: Ivan Voras <ivoras@fer.hr> To: freebsd-stable@freebsd.org Subject: Re: Slow/locking UFS/VFS in 6.1? Message-ID: <ednb9p$3ap$1@sea.gmane.org> In-Reply-To: <1D6A7B88-79F5-4014-9E49-5AD4FFC6AE00@nevada.net.nz> References: <1D6A7B88-79F5-4014-9E49-5AD4FFC6AE00@nevada.net.nz>
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Philip Murray wrote: > When this happens it seems a lot of Apache processes get stuck in the > UFS state (in top). I've seen this when there's a huge directory involved, such as created by a runaway web cache function, PHP sessions, or "PHP accelerator" that creates a lot of small cache files. If so, you'll probably need to delete that directory completely and make sure it doesn't happen again (e.g. use a multi-stage directory tree instead of a big one). You might have luck with increasing dirhash size (vfs.ufs.dirhash_maxmem).
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