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Date: Thu, 21 Sep 2006 17:59:03 +1000
From: Peter Jeremy <peterjeremy@optushome.com.au>
To: Andre Oppermann <andre@freebsd.org>
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Cc: freebsd-net@freebsd.org, freebsd-current@freebsd.org
Subject: Re: Much improved sendfile(2) kernel implementation
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On Wed, 2006-Sep-20 23:59:13 +0200, Andre Oppermann wrote:
>I have rewritten kern_sendfile() to work in two loops, the inner which tur=
ns
>as many pages into mbufs as it can up to the free send socket buffer space.

The 64K blocks sounds good but how does this interact with TCP slow
start?  Is there the possibility that a couple (for some reasonably
large value of 'couple') of TCP connections slowly accepting a file
could eat all the mbuf space?

--=20
Peter Jeremy

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