Skip site navigation (1)Skip section navigation (2)
Date:      Sun, 30 Dec 2001 01:18:20 +0100
From:      Tomas Svensson <tsn@gbdev.net>
To:        Josef Karthauser <joe@tao.org.uk>
Cc:        freebsd-hackers@FreeBSD.ORG
Subject:   Re: FreeBSD performing worse than Linux?
Message-ID:  <20011230011820.A26225@simba.systemteknik.net>

next in thread | raw e-mail | index | archive | help
Saturday, December 29, 2001, 6:41:33 PM, you wrote:

JK> On Fri, Dec 28, 2001 at 07:27:36PM +0100, Tomas Svensson wrote:

>> ## several packets are lost here due to congestion, thanks to
>> TCP_NODELAY:

JK> No.  These packets aren't lost to congestion.  I can reproduce this
JK> pattern every time.  There's no random packet loseness about it.

JK> You are right that switching TCP_NODELAY off does fix it, but it's not
JK> caused by congestion I can assure you.

I didn't know that this was on a LAN, then you have bigger problems
than TCP_NODELAY. I never had problems using OpenSSH on a LAN, but
on links with higher latency the burst of small packets does cause
congestion and delays in the output (SSH Inc sshd 3.0 does not).

-Tomas

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20011230011820.A26225>