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Date:      Wed, 19 Dec 2007 07:48:56 -0800
From:      David G Lawrence <dg@dglawrence.com>
To:        Bruce Evans <brde@optusnet.com.au>
Cc:        freebsd-net@freebsd.org, freebsd-stable@freebsd.org
Subject:   Re: Packet loss every 30.999 seconds
Message-ID:  <20071219154856.GC25053@tnn.dglawrence.com>
In-Reply-To: <20071220011626.U928@besplex.bde.org>
References:  <D50B5BA8-5A80-4370-8F20-6B3A531C2E9B@eng.oar.net> <20071217102433.GQ25053@tnn.dglawrence.com> <CD187AD1-8712-418F-9F49-FA3407BA1AC7@eng.oar.net> <20071220011626.U928@besplex.bde.org>

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> Try it with "find / -type f >/dev/null" to duplicate the problem almost
> instantly.

   FreeBSD used to have some code that would cause vnodes with no cached
pages to be recycled quickly (which would have made a simple find
ineffective without reading the files at least a little bit). I guess
that got removed when the size of the vnode pool was dramatically
increased.

-DG

David G. Lawrence
President
Download Technologies, Inc. - http://www.downloadtech.com - (866) 399 8500
The FreeBSD Project - http://www.freebsd.org
Pave the road of life with opportunities.



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