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Date:      Sun, 14 Oct 2001 13:17:50 -0600
From:      Warner Losh <imp@harmony.village.org>
To:        Mike Silbersack <silby@silby.com>
Cc:        cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: noatimedir? (Re: cvs commit: src/sys/vm vnode_pager.c) 
Message-ID:  <200110141917.f9EJHo712757@harmony.village.org>
In-Reply-To: Your message of "Sun, 14 Oct 2001 12:43:45 CDT." <20011014123818.J38047-100000@achilles.silby.com> 
References:  <20011014123818.J38047-100000@achilles.silby.com>  

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In message <20011014123818.J38047-100000@achilles.silby.com> Mike Silbersack writes:
: Hrm, have any atime vs noatime benchmarks been done?  It's always
: mentioned in tuning guides, but I've never thought about how much of a
: performance difference it makes.

In the 3.2 days, I measured about a 5% reduction in the time world
took to build if your src tree was read only OR mounted noatime.

Warner

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