Date: Sun, 7 Jul 2013 19:25:34 -0700 From: Garrett Cooper <yaneurabeya@gmail.com> To: Alfred Perlstein <alfred@freebsd.org> Cc: "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "src-committers@freebsd.org" <src-committers@freebsd.org> Subject: Re: svn commit: r253002 - head Message-ID: <D3E9FF9F-E53A-40DE-8DFF-C4A4F05566D4@gmail.com> In-Reply-To: <51D9DA55.2090808@freebsd.org> References: <201307072039.r67KdCdR028908@svn.freebsd.org> <9D4C7540-A3B0-45E5-8219-6A455D41DF70@gmail.com> <51D9DA55.2090808@freebsd.org>
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On Jul 7, 2013, at 2:15 PM, Alfred Perlstein <alfred@freebsd.org> wrote: > On 7/7/13 2:01 PM, Garrett Cooper wrote: >> Why the magic number 12? >=20 > Numbers higher seem to result in worse performance as reported by some mem= bers of my team. The suggestion is good in spirit, but this doesn't justify the reasoning for= this recommendation for all cases. Please revert this change and add a doc page or notes to the dev handbook di= scussing what the empirical process and results were for determining this va= lue so people can come up with their own values that work best with their ha= rdware and software config. This recommendation is prone to bitrot like some= of the recommendations in tuning(7). Misinformation is sometimes more harmful than no information. Thanks, -Garrett=
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