From mboxrd@z Thu Jan 1 00:00:00 1970 From: zorg Subject: speed migration limitation Date: Tue, 29 Jan 2013 17:00:50 +0100 Message-ID: <5107F232.2050501@probesys.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit To: kvm@vger.kernel.org Return-path: Received: from smtp.probesys.com ([46.105.33.1]:60679 "EHLO probesys-mail.probesys.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751342Ab3A2QHh (ORCPT ); Tue, 29 Jan 2013 11:07:37 -0500 Received: from localhost (localhost [127.0.0.1]) by probesys-mail.probesys.net (Postfix) with ESMTP id 8BD51780A44 for ; Tue, 29 Jan 2013 17:00:52 +0100 (CET) Received: from probesys-mail.probesys.net ([127.0.0.1]) by localhost (probesys-mail.probesys.net [127.0.0.1]) (amavisd-new, port 10024) with LMTP id oeDQ6-vICYaO for ; Tue, 29 Jan 2013 17:00:51 +0100 (CET) Received: from [172.20.11.92] (artis2.probesys.com [88.162.207.205]) by probesys-mail.probesys.net (Postfix) with ESMTPA id 1ABF9780A29 for ; Tue, 29 Jan 2013 17:00:51 +0100 (CET) Sender: kvm-owner@vger.kernel.org List-ID: Hello I have VM with 15Gb of memory and when I migrate using tcp the maximum speed i can get is 32Mb/s between the to hypervisor So Migrating 15Gb is slow I have try setting migrate_set_speed to 150M but still got the same speed using NC over my network I manage to transfert at 208Mb/s Can' really see where is the bottleneck Thanks