Date: Sun, 5 Nov 2000 18:31:42 -0800 From: Kris Kennaway <kris@FreeBSD.ORG> To: Mike Silbersack <silby@silby.com> Cc: "Richard A. Steenbergen" <ras@e-gerbil.net>, David Greenman <dg@root.com>, freebsd-net@FreeBSD.ORG Subject: Re: tcp sendspace/recvspace Message-ID: <20001105183142.A9009@citusc17.usc.edu> In-Reply-To: <Pine.BSF.4.21.0011051959580.40245-100000@achilles.silby.com>; from silby@silby.com on Sun, Nov 05, 2000 at 08:01:03PM -0600 References: <20001105175722.A8886@citusc17.usc.edu> <Pine.BSF.4.21.0011051959580.40245-100000@achilles.silby.com>
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--6TrnltStXW4iwmi0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Nov 05, 2000 at 08:01:03PM -0600, Mike Silbersack wrote: >=20 > On Sun, 5 Nov 2000, Kris Kennaway wrote: >=20 > > Perhaps it was a bug, but I used to see e.g. FTP transfers which were > > running at full speed totally monopolizing my modem bandwidth (then a > > 14.4k), and other sessions not being able to receive their "fair > > share". Tweaking net.inet.tcp.recvspace to give only a second or two > > worth of data transfer reduced the latency to acceptable levels. > >=20 > > Maybe this has been fixed by now - I haven't noticed it since I > > upgraded to a 56k modem. I'll try increasing my system to 32768 > > and see if it has any effect. > >=20 > > Kris >=20 > Isn't that more related to the length of the interface queue for PPP? I > think Archie tweaked it (or was going to) when he changed how packets > overflowing the queue are handled. Could well be. Kris --6TrnltStXW4iwmi0 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.4 (FreeBSD) Comment: For info see http://www.gnupg.org iEYEARECAAYFAjoGGA0ACgkQWry0BWjoQKWtIwCgg+XfFf5WjLvtWwuXo41w3YiM 2sMAoIpY/FOth/GMoVOEWPdzEapPdYDg =cpBo -----END PGP SIGNATURE----- --6TrnltStXW4iwmi0-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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