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From: Felix von Leitner <felix-linuxkernel@fefe.de>
To: Rick Jones <rick.jones2@hp.com>
Cc: Chuck Ebbert <cebbert@redhat.com>,
	linux-kernel@vger.kernel.org, Netdev <netdev@vger.kernel.org>
Subject: Re: bizarre network timing problem
Date: Sat, 3 Nov 2007 00:23:32 +0100	[thread overview]
Message-ID: <20071102232332.GA5739@codeblau.de> (raw)
In-Reply-To: <472BAB90.8020306@hp.com>

Thus spake Rick Jones (rick.jones2@hp.com):
> Past performance is no guarantee of current correctness :)  And over an 
> Ethernet, there will be a very different set of both timings and TCP 
> segment sizes compared to loopback.

> My guess is that you will find setting the lo mtu to 1500 a very 
> interesting experiment.

Setting the MTU on lo to 1500 eliminates the problem and gives me double
digit MB/sec throughput.

Felix

  reply	other threads:[~2007-11-02 23:23 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-17 20:51 bizarre network timing problem Felix von Leitner
2007-10-17 21:17 ` Chuck Ebbert
2007-10-17 22:00   ` Felix von Leitner
2007-10-17 22:16     ` Rick Jones
2007-10-18  9:42       ` Felix von Leitner
2007-10-18 17:22         ` Rick Jones
2007-11-02 22:11           ` Felix von Leitner
2007-11-02 22:33             ` Rick Jones
2007-11-02 22:38               ` Felix von Leitner
2007-11-02 22:58                 ` Rick Jones
2007-11-02 23:23                   ` Felix von Leitner [this message]
2007-11-06 21:12                     ` Rick Jones

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