Date: Mon, 1 Jul 2002 10:01:59 -0700 (PDT) From: John Polstra <jdp@polstra.com> To: stable@freebsd.org Cc: don@sandvine.com Subject: Re: number mbufs / cluster Message-ID: <200207011701.g61H1xYi010406@vashon.polstra.com> In-Reply-To: <FE045D4D9F7AED4CBFF1B3B813C8533767664B@mail.sandvine.com> References: <FE045D4D9F7AED4CBFF1B3B813C8533767664B@mail.sandvine.com>
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In article <FE045D4D9F7AED4CBFF1B3B813C8533767664B@mail.sandvine.com>, Don Bowman <don@sandvine.com> wrote: > > > > holy cow. How much memory does this thing have and what did you do to > > abuse it soo much? :-) I didn't think you could jack those values that > > high and not get panics. > > > > I tried changing MCLSHIFT to 10. Although this would seem like > the right thing to do, some trouble ensues... Some things like nfs > don't seem to work right (just UDP traffic as far as I could see). > (10 would yield a 1K cluster). Are there > any assumptions somewhere that a cluster is >= MTU size? Yes, practically every Ethernet driver assumes that a cluster will hold a full-sized packet. John -- John Polstra John D. Polstra & Co., Inc. Seattle, Washington USA "Disappointment is a good sign of basic intelligence." -- Chögyam Trungpa To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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