Date: Sat, 29 Jan 2011 21:43:34 +0100 From: Lapo Luchini <lapo@lapo.it> To: freebsd-fs@freebsd.org Cc: freebsd-stable@freebsd.org Subject: Re: Performance issues with 8.0 ZFS and sendfile/lighttpd Message-ID: <4D447BF6.6000105@lapo.it> In-Reply-To: <9bbcef730911071242m5ad91720xcccb7586c6848ffd@mail.gmail.com> References: <772532900-1257123963-cardhu_decombobulator_blackberry.rim.net-1402739480-@bda715.bisx.prod.on.blackberry> <hcma4s$c49$1@ger.gmane.org> <4AEEBD4B.1050407@quip.cz> <hcmhbj$40s$1@ger.gmane.org> <4AEEDB3B.5020600@quip.cz> <hcmndo$q4e$1@ger.gmane.org> <4AF46CA9.1040904@quip.cz> <9bbcef730911061101h5356d2acob2ac8791afe112@mail.gmail.com> <4AF5D611.7060408@quip.cz> <9bbcef730911071242m5ad91720xcccb7586c6848ffd@mail.gmail.com>
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Ivan Voras wrote: > 2009/11/7 Miroslav Lachman <000.fbsd@quip.cz>: >> And as you noted, read, write, fault, total and percent are not updated on >> machine with ZFS, so I can't compare it with UFS2 based machine. >> Is this bug in top fixed in 8.x? Will you file a PR? (you know more about FS >> related things than me :]) > > Not much... it depends on from where the stats are collected - there > is a fair bit of file system infrastructure that ZFS bypasses and if > these stats come from it, they cannot be collected. Any news about that? I can see it's not in 8.1-RELEASE, but I didn't check in any later release (yet). Should we file a PR not to forget about that? Is the following patch safe to apply? http://people.freebsd.org/~avg/zfs-ru.diff -- Lapo Luchini - http://lapo.it/ “X-rays will prove to be a hoax.” (Lord Kelvin, 1883)
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