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Date:      Fri, 26 Apr 2002 17:58:01 +0100
From:      Brian Candler <B.Candler@pobox.com>
To:        freebsd-small@freebsd.org
Subject:   Re: NFS root and unnecessary NFS operations
Message-ID:  <20020426175801.A2748@linnet.org>
In-Reply-To: <20020426170220.A2475@linnet.org>; from B.Candler@pobox.com on Fri, Apr 26, 2002 at 05:02:20PM %2B0100
References:  <20020425174139.A871@linnet.org> <20020426170220.A2475@linnet.org>

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I have found the root cause of this. The NFS attribute cache is cleared
every time a file is opened (in nfs_open, right at the end). Getting rid of
this drastically reduces the number of NFS ops per second in this test.

I will take this up on freebsd-fs and/or freebsd-net...

Cheers,

Brian.

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