Date: Fri, 13 Feb 2009 14:33:58 +0100 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-current@freebsd.org Cc: freebsd-stable@freebsd.org Subject: Re: HEADS UP: Major CAM performance regression Message-ID: <gn3ssi$j1r$1@ger.gmane.org> In-Reply-To: <499551B9.7050805@samsco.org> References: <499551B9.7050805@samsco.org>
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[-- Attachment #1 --] Scott Long wrote: > I have committed a fix for this problem for FreeBSD 8-CURRENT as of SVN > revision 188570. FreeBSD 7-STABLE will be updated with the fix in a few > days once I've gotten confirmation that the fix works and doesn't cause > any adverse side-effects. Anyone wanting to help in this validation > effort should apply the attached patch to their kernel source tree and > recompile. Please contact me directly by email to report if the problem > is fixed for you. I notice that write performance on an ESXi 3.5 hosted system is doubled, but read performance remains the same (in bonnie++). On a CISS system there is no significant change. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFJlXbQldnAQVacBcgRAsH4AKD1DgZzmC8bu54lMVwTVI7TvGMcyQCeOJiP PZo486q8F1yPD9EBjENu+Xk= =jA5B -----END PGP SIGNATURE-----
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