From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [RFC PATCH v2] tcp: TCP Small Queues Date: Thu, 12 Jul 2012 00:37:00 -0700 (PDT) Message-ID: <20120712.003700.49235222504944712.davem@davemloft.net> References: <4FFDC985.6050805@hp.com> <1342050592.3265.8195.camel@edumazet-glaptop> <1342078459.3265.8244.camel@edumazet-glaptop> 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 To: eric.dumazet@gmail.com Return-path: In-Reply-To: <1342078459.3265.8244.camel@edumazet-glaptop> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: codel-bounces@lists.bufferbloat.net Errors-To: codel-bounces@lists.bufferbloat.net List-Id: netdev.vger.kernel.org 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.