netdev - Re: [RFC PATCH v2] tcp: TCP Small Queues

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Message-Id: <20120712.003700.49235222504944712.davem@davemloft.net>
Date:	Thu, 12 Jul 2012 00:37:00 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	rick.jones2@...com, ycheng@...gle.com, dave.taht@...il.com,
	netdev@...r.kernel.org, codel@...ts.bufferbloat.net,
	therbert@...gle.com, mattmathis@...gle.com, nanditad@...gle.com,
	ncardwell@...gle.com, andrewmcgr@...il.com
Subject: Re: [RFC PATCH v2] tcp: TCP Small Queues

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Thu, 12 Jul 2012 09:34:19 +0200

> On Thu, 2012-07-12 at 01:49 +0200, Eric Dumazet wrote:
> 
>> The 10Gb receiver is a net-next kernel, but the 1Gb receiver is a 2.6.38
>> ubuntu kernel. They probably have very different TCP behavior.
> 
> 
> I tested TSQ on bnx2x and 10Gb links.
> 
> I get full rate even using 65536 bytes for
> the /proc/sys/net/ipv4/tcp_limit_output_bytes tunable

Great work Eric.
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