From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54139) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WB5bx-000054-5r for qemu-devel@nongnu.org; Wed, 05 Feb 2014 11:46:11 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WB5bq-00075k-Hr for qemu-devel@nongnu.org; Wed, 05 Feb 2014 11:46:05 -0500 Received: from mx1.redhat.com ([209.132.183.28]:58675) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WB5bq-00075G-Ad for qemu-devel@nongnu.org; Wed, 05 Feb 2014 11:45:58 -0500 Message-ID: <52F26AC0.5040104@redhat.com> Date: Wed, 05 Feb 2014 17:45:52 +0100 From: Paolo Bonzini MIME-Version: 1.0 References: <52F0938F.2040102@ozlabs.ru> <52F0C523.30102@redhat.com> <52F0D611.7070105@ozlabs.ru> <52F0D810.4070806@redhat.com> <52F0DA04.9040003@ozlabs.ru> <52F0F26A.5020304@redhat.com> <52F16708.8060902@ozlabs.ru> <52F1E5BA.60902@redhat.com> <20140205090912.GA2398@work-vm> <52F2685D.2050405@redhat.com> <20140205164219.GJ2398@work-vm> In-Reply-To: <20140205164219.GJ2398@work-vm> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] migration: broken ram_save_pending List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Dr. David Alan Gilbert" Cc: Alexey Kardashevskiy , "qemu-devel@nongnu.org" , Alex Graf Il 05/02/2014 17:42, Dr. David Alan Gilbert ha scritto: > Because: > * the code is still running and keeps redirtying a small handful of pages > * but because we've underestimated our available bandwidth we never stop > it and just throw those pages across immediately Ok, I thought Alexey was saying we are not redirtying that handful of pages. And in turn, this is because the max downtime we have is too low (especially for the default 32 MB/sec default bandwidth; that's also pretty low). Paolo