From owner-freebsd-hackers Mon Jul 1 14: 0:27 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CAF5237B400; Mon, 1 Jul 2002 14:00:22 -0700 (PDT) Received: from critter.freebsd.dk (critter.freebsd.dk [212.242.86.163]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8E04843E09; Mon, 1 Jul 2002 14:00:21 -0700 (PDT) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.12.3/8.12.2) with ESMTP id g61Kw76I055380; Mon, 1 Jul 2002 22:58:07 +0200 (CEST) (envelope-from phk@critter.freebsd.dk) To: Doug Barton Cc: freebsd-hackers@FreeBSD.ORG, net@FreeBSD.ORG Subject: Re: ftp and mail much slower into fbsd 4.4 vs and old BSDi In-Reply-To: Your message of "Mon, 01 Jul 2002 13:50:07 PDT." <20020701134833.E24940-100000@zoot.corp.yahoo.com> Date: Mon, 01 Jul 2002 22:58:07 +0200 Message-ID: <55379.1025557087@critter.freebsd.dk> From: Poul-Henning Kamp Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG In message <20020701134833.E24940-100000@zoot.corp.yahoo.com>, Doug Barton writ es: >On Mon, 1 Jul 2002, Terry Lambert wrote: > >> Mike Silbersack wrote: >> > On Mon, 1 Jul 2002, Doug Barton wrote: >> > > The problem is that Terry has described the theory, whereas many of us >> > > who have observed the situation in the real world have noticed that even >> > > on a homogenous network (all with newreno enabled) performance is still >> > > worse than with newreno disabled. >> >> I guess you missed the part where I said that FreeBSD had bugs, and >> Matt Dillon posted patches? > >Nope. I think you missed the part where I said I was talking about >reality, not theory. :) The reality is, it's broken now, and in my >experience, turning it off makes the system "work better." Yes, I can attest to this an I belive it is actually the case on both -current and -releng4 that disabling newreno improves TCP performance. I belive running an X11 application or scp(1) over a wavelan is a very good test-bed for this issue. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message