Skip site navigation (1)Skip section navigation (2)
Date:      Sat, 22 Feb 2003 21:39:10 +0300 (MSK)
From:      Maxim Konovalov <maxim@macomnet.ru>
To:        Giorgos Keramidas <keramida@ceid.upatras.gr>
Cc:        freebsd-current@FreeBSD.ORG, jlemon@FreeBSD.ORG
Subject:   Re: network stalls in top of the tree current
Message-ID:  <20030222213629.X14741@news1.macomnet.ru>
In-Reply-To: <20030222174815.GA637@gothmog.gr>
References:  <20030222174815.GA637@gothmog.gr>

next in thread | previous in thread | raw e-mail | index | archive | help
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




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20030222213629.X14741>