From mboxrd@z Thu Jan 1 00:00:00 1970 From: "John Heffner" Subject: Re: Socket buffer sizes with autotuning Date: Tue, 22 Apr 2008 19:17:39 -0700 Message-ID: <1e41a3230804221917m4af32ed9ice8225c943d3ffa2@mail.gmail.com> References: <480E8523.4030007@hp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: "Linux Network Development list" To: "Rick Jones" Return-path: Received: from wa-out-1112.google.com ([209.85.146.180]:54575 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751315AbYDWCRk (ORCPT ); Tue, 22 Apr 2008 22:17:40 -0400 Received: by wa-out-1112.google.com with SMTP id m16so4283230waf.23 for ; Tue, 22 Apr 2008 19:17:39 -0700 (PDT) In-Reply-To: <480E8523.4030007@hp.com> Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: On Tue, Apr 22, 2008 at 5:38 PM, Rick Jones wrote: > oslowest:~# netstat -an | grep ESTAB > ... > tcp 0 2760560 10.208.0.1:40500 10.208.0.45:42049 ESTABLISHED > ... > > Is this expected behaviour? What is your interface txqueuelen and mtu? If you have a very large interface queue, TCP will happily fill it up unless you are using a delay-based congestion controller. -John