From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from shards.monkeyblade.net (unknown [IPv6:2001:4f8:3:36:211:85ff:fe63:a549]) by huchra.bufferbloat.net (Postfix) with ESMTP id CB03B21F0B9 for ; Thu, 12 Jul 2012 00:37:03 -0700 (PDT) Received: from localhost (74-93-104-98-Washington.hfc.comcastbusiness.net [74.93.104.98]) by shards.monkeyblade.net (Postfix) with ESMTPSA id E86BD582442; Thu, 12 Jul 2012 00:37:04 -0700 (PDT) Date: Thu, 12 Jul 2012 00:37:00 -0700 (PDT) Message-Id: <20120712.003700.49235222504944712.davem@davemloft.net> To: eric.dumazet@gmail.com From: David Miller In-Reply-To: <1342078459.3265.8244.camel@edumazet-glaptop> References: <4FFDC985.6050805@hp.com> <1342050592.3265.8195.camel@edumazet-glaptop> <1342078459.3265.8244.camel@edumazet-glaptop> X-Mailer: Mew version 6.5 on Emacs 24.0.97 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: nanditad@google.com, netdev@vger.kernel.org, mattmathis@google.com, codel@lists.bufferbloat.net, ncardwell@google.com Subject: Re: [Codel] [RFC PATCH v2] tcp: TCP Small Queues X-BeenThere: codel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: CoDel AQM discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Jul 2012 07:37:04 -0000 From: Eric Dumazet 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.