From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:35024) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QqR7D-0006ps-DN for qemu-devel@nongnu.org; Mon, 08 Aug 2011 10:47:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QqR7C-0004tS-85 for qemu-devel@nongnu.org; Mon, 08 Aug 2011 10:47:39 -0400 Received: from mx1.redhat.com ([209.132.183.28]:63326) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QqR7B-0004tN-Vr for qemu-devel@nongnu.org; Mon, 08 Aug 2011 10:47:38 -0400 Message-ID: <4E3FF705.9080009@redhat.com> Date: Mon, 08 Aug 2011 17:47:33 +0300 From: Avi Kivity MIME-Version: 1.0 References: <4E3FF6AE.8030004@redhat.com> In-Reply-To: <4E3FF6AE.8030004@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v4] XBZRLE delta for live migration of large memory apps List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Shribman, Aidan" Cc: Blue Swirl , Stefan Hajnoczi , qemu-devel Developers On 08/08/2011 05:46 PM, Avi Kivity wrote: > > Please provide documentation in docs/ of the compression format. > > IMO it should be disabled by default (with an option to disable it, > via, sat, migrate-set-options, so we can migrate to older hosts). > > The protocol should allow XBZRLE to turn itself off if it detects that > it isn't effective. > IOW, this should be part of the standard migration protocol, not some side option that is enabled if the user remembers. It should not be mutually exclusive with future migration extensions, including compression. -- error compiling committee.c: too many arguments to function