From owner-freebsd-current Sat Feb 22 10:39:35 2003 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1DF0137B401; Sat, 22 Feb 2003 10:39:34 -0800 (PST) Received: from relay.macomnet.ru (relay.macomnet.ru [195.128.64.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id B761943FA3; Sat, 22 Feb 2003 10:39:32 -0800 (PST) (envelope-from maxim@macomnet.ru) Received: from news1.macomnet.ru (news1.macomnet.ru [195.128.64.14]) by relay.macomnet.ru (8.11.6/8.11.6) with ESMTP id h1MIdAR367119; Sat, 22 Feb 2003 21:39:10 +0300 (MSK) Date: Sat, 22 Feb 2003 21:39:10 +0300 (MSK) From: Maxim Konovalov To: Giorgos Keramidas Cc: freebsd-current@FreeBSD.ORG, jlemon@FreeBSD.ORG Subject: Re: network stalls in top of the tree current In-Reply-To: <20030222174815.GA637@gothmog.gr> Message-ID: <20030222213629.X14741@news1.macomnet.ru> References: <20030222174815.GA637@gothmog.gr> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On 19:48+0200, Feb 22, 2003, Giorgos Keramidas wrote: > I've been seeing huge delays and a major drop of performance in > network performace in recent -current kernels. I was wondering, has > anyone else seen something similar or should I just look at other > things? A typical example of what I see the past 2-3 days is: > > giorgos@gothmog[19:40]/home/giorgos$ fetchmail -a -K > fetchmail: No mail for keramida at igloo.linux.gr > 22 messages for keramida at diogenis.ceid.upatras.gr (85546 octets). > reading message keramida@diogenis.ceid.upatras.gr:1 of 22 (8987 octets) ........ flushed > reading message keramida@diogenis.ceid.upatras.gr:2 of 22 (3230 octets) ... flushed > reading message keramida@diogenis.ceid.upatras.gr:3 of 22 (2615 > octets) .fetchmail: timeout after 60 seconds. > fetchmail: socket error while fetching from diogenis.ceid.upatras.gr > fetchmail: Query status=2 (SOCKET) > > It used to take just 2-3 seconds to get a message with fetchmail, and > now it times out so often that sometimes I have to use scp to copy my > mail at home. Similarly long delays often happen with scp too. /me too. Try sysctl net.inet.tcp.delayed_ack=0. I suspect that commit: http://docs.freebsd.org/cgi/getmsg.cgi?fetch=678980+0+current/cvs-src -- Maxim Konovalov, maxim@macomnet.ru, maxim@FreeBSD.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message