From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: Problem with growing up dom0 memory Date: Wed, 19 Dec 2012 17:01:30 -0500 Message-ID: <20121219220130.GC12292@phenom.dumpdata.com> References: <508BC02B.5040607@mva.name> <508BC903.8050104@mva.name> <508BCCB6.7040708@mva.name> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <508BCCB6.7040708@mva.name> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: "Vadim A. Misbakh-Soloviov" Cc: "xen-devel@lists.xen.org" List-Id: xen-devel@lists.xenproject.org On Sat, Oct 27, 2012 at 06:59:50PM +0700, Vadim A. Misbakh-Soloviov wrote: > Uhm. It seems, it is 4.1.3 (as you can see from xl info) on 3.5.3-kernel > node, but I have all following issues even on 3.6.3-kernel node with 4.2.0. I believe that might be related to the autoballon functionality. Have you tried disabling it. > > P.S.: > By the way, I also has some network speed issues with domUs: > > one_node ~mva % scp bkp.txz domU_on_another_node:/home/mva > bkp.txz > > 3% 592KB 259.7KB/s 0.0KB/s > 01:12 ETA^CKilled by signal 2. > one_node ~mva % scp bkp.txz another_node_itself:/home/mva > bkp.txz > > 100% 19MB 3.8MB/s 6.2MB/s > 00:05 > > almost the same for reversed process (downloading from that places) > it is rt8169 ethernet driver on "one_node", e1000e on "another_node" and > I dunno which driver Xen uses for domUs, but: > domU ~mva % dmesg|grep -i 'Xen.*eth' > Initialising Xen virtual ethernet driver There is a Wiki that explains this( Google for Network Xen Wiki). I think you need to set an TSO (or maybe it is another flag) off on the guest's adapter.