From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: Network performance with small packets Date: Tue, 1 Feb 2011 19:23:46 +0200 Message-ID: <20110201172346.GA24392@redhat.com> References: <20110127193131.GD5228@redhat.com> <1296157547.1640.45.camel@localhost.localdomain> <20110127200548.GE5228@redhat.com> <20110127.130240.104065182.davem@davemloft.net> <1296163838.1640.53.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: David Miller , steved@us.ibm.com, kvm@vger.kernel.org, netdev@vger.kernel.org To: Shirley Ma Return-path: Received: from mx1.redhat.com ([209.132.183.28]:24618 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751585Ab1BARYE (ORCPT ); Tue, 1 Feb 2011 12:24:04 -0500 Content-Disposition: inline In-Reply-To: <1296163838.1640.53.camel@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-ID: On Thu, Jan 27, 2011 at 01:30:38PM -0800, Shirley Ma wrote: > On Thu, 2011-01-27 at 13:02 -0800, David Miller wrote: > > > Interesting. Could this is be a variant of the now famuous > > bufferbloat then? > > > > Sigh, bufferbloat is the new global warming... :-/ > > Yep, some places become colder, some other places become warmer; Same as > BW results, sometimes faster, sometimes slower. :) > > Shirley Sent a tuning patch (v2) that might help. Could you try it and play with the module parameters please? -- MST