Date: Thu, 16 Jul 2009 13:39:53 +0200 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-geom@freebsd.org Subject: Re: kern/113885: [gmirror] [patch] improved gmirror balance algorithm Message-ID: <h3n3ig$5mk$1@ger.gmane.org> In-Reply-To: <200907160820.n6G8KAGe072164@freefall.freebsd.org> References: <200907160820.n6G8KAGe072164@freefall.freebsd.org>
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Emil Mikulic wrote: > The following reply was made to PR kern/113885; it has been noted by GNATS. > > From: Emil Mikulic <emikulic@gmail.com> > To: bug-followup@FreeBSD.org > Cc: will@firepipe.net > Subject: Re: kern/113885: [gmirror] [patch] improved gmirror balance > algorithm > Date: Thu, 16 Jul 2009 17:56:19 +1000 > > Will Andrews' patch is *fantastic* > > With this patch and gmirror set to "load" style balancing, I can run two > long sequential reads in parallel and get practically linear scaling on > a two-disk mirror. > > Could someone please commit this? > > --Emil Can you please do some testing (of the style you just did but also diskinfo -vt and possibly random reads) on both patch candidates: http://www.freebsd.org/cgi/query-pr.cgi?pr=113885 and http://sobomax.sippysoft.com/~sobomax/geom_mirror.diff Unless there are significant differences in favour of the second version, I'm inclined to commit the version in the PR (unless problems and obstructions are indicated, of course).
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