From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= Subject: Re: [PATCH] README, xen/Makefile: Update to Xen 4.5.0 Date: Wed, 7 Jan 2015 17:33:51 +0200 Message-ID: <20150107153351.GC19091@reaktio.net> References: <1420564632-32715-1-git-send-email-konrad.wilk@oracle.com> <1420564632-32715-2-git-send-email-konrad.wilk@oracle.com> <21676.9247.419968.976829@mariner.uk.xensource.com> <20150106182158.GA27809@l.oracle.com> <20150106191422.GY19091@reaktio.net> <20150107152737.GJ30457@l.oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Y8scL-00025R-Os for xen-devel@lists.xenproject.org; Wed, 07 Jan 2015 15:33:53 +0000 Content-Disposition: inline In-Reply-To: <20150107152737.GJ30457@l.oracle.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Konrad Rzeszutek Wilk Cc: xen-devel@lists.xenproject.org, Ian Jackson List-Id: xen-devel@lists.xenproject.org On Wed, Jan 07, 2015 at 10:27:37AM -0500, Konrad Rzeszutek Wilk wrote: > > > > And I think there was optimizations to oxenstored to support up to 1000 VMs per host.. > > .. and that. > Actually I'm not sure anymore about "up to 1000 VMs per host".. I was certain I was reading about such number in the discussion related to some patches about performance improvements related to VDI bootstorms on xen-devel, but I can't find a reference now.. So maybe we should drop that number.. and only state performance/scalability improvements for oxenstored. Also the oxenstored fd limit was increased from 1024 to 4096, and oxenstored switched from select() to poll() for increased scalability/performance. -- Pasi > diff --git a/README b/README > index 4a9cac1..e2c9e83 100644 > --- a/README > +++ b/README > @@ -43,8 +43,9 @@ guests; and lower interrupt latency. > The toolstack has expanded to include support for: VM Generation ID (a > Windows 2012 Server requirement); Remus initial support (for high > availability) in libxl (since xend has been removed); libxenlight JSON > -support and persistent configuration support, and systemd support; and > -support in QEMU for expanding the PCI hole. > +support, HVM guest direct kernel boot, and persistent configuration > +support; systemd support; optimizations in oxenstored to support more > +than 1000+ VMs; and support in QEMU for expanding the PCI hole. > > Lastly, we have removed the Python toolstack (xend). >