From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59535) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bzHP9-0005Zk-97 for qemu-devel@nongnu.org; Wed, 26 Oct 2016 02:09:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bzHP5-0002nE-AQ for qemu-devel@nongnu.org; Wed, 26 Oct 2016 02:09:39 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40954) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1bzHP5-0002lh-4z for qemu-devel@nongnu.org; Wed, 26 Oct 2016 02:09:35 -0400 Date: Wed, 26 Oct 2016 11:39:31 +0530 From: Amit Shah Message-ID: <20161026060931.GR1679@amit-lp.rh> References: <1476792613-11712-1-git-send-email-zhang.zhanghailiang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1476792613-11712-1-git-send-email-zhang.zhanghailiang@huawei.com> Subject: Re: [Qemu-devel] [PATCH COLO-Frame (Base) v21 00/17] COarse-grain LOck-stepping(COLO) Virtual Machines for Non-stop Service (FT) List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: zhanghailiang Cc: quintela@redhat.com, qemu-devel@nongnu.org, dgilbert@redhat.com, wency@cn.fujitsu.com, lizhijian@cn.fujitsu.com, xiecl.fnst@cn.fujitsu.com, Hai Huang , Weidong Han , Dong eddie , Stefan Hajnoczi , Jason Wang Hello, On (Tue) 18 Oct 2016 [20:09:56], zhanghailiang wrote: > This is the 21th version of COLO frame series. > > Rebase to the latest master. I've reviewed the patchset, have some minor comments, but overall it looks good. The changes are contained, and common code / existing code paths are not affected much. We can still target to merge this for 2.8. Do you have any tests on how much the VM slows down / downtime incurred during checkpoints? Also, can you tell how did you arrive at the default checkpoint interval? Thanks, Amit