From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757350Ab2CBDHt (ORCPT ); Thu, 1 Mar 2012 22:07:49 -0500 Received: from shards.monkeyblade.net ([198.137.202.13]:49636 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756843Ab2CBDHr (ORCPT ); Thu, 1 Mar 2012 22:07:47 -0500 Date: Thu, 01 Mar 2012 22:07:43 -0500 (EST) Message-Id: <20120301.220743.2174015405223036036.davem@davemloft.net> To: alex.shi@intel.com Cc: feng.tang@intel.com, eric.dumazet@gmail.com, linux-kernel@vger.kernel.org, tim.c.chen@intel.com, ying.huang@intel.com, netdev@vger.kernel.org Subject: Re: TCP_STREAM performance regression on commit b3613118 From: David Miller In-Reply-To: <1330656317.21053.1411.camel@debian> References: <1329472239.2861.3.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <20120217.133327.1178765872497293871.davem@davemloft.net> <1330656317.21053.1411.camel@debian> X-Mailer: Mew version 6.4 on Emacs 23.3 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.6 (shards.monkeyblade.net [198.137.202.13]); Thu, 01 Mar 2012 19:07:45 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Alex Shi Date: Fri, 02 Mar 2012 10:45:17 +0800 > Add CC to tang feng, He is working on this issue. Is he? I'm pretty sure this is due to the TCP receive window growing issue Eric Dumazet, Neal Cardwell and I are discussing in the thread starting at: http://marc.info/?l=linux-netdev&m=132916352815286&w=2