Return-Path: X-Original-To: apmail-incubator-cloudstack-dev-archive@minotaur.apache.org Delivered-To: apmail-incubator-cloudstack-dev-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id A088DE0FB for ; Thu, 17 Jan 2013 14:30:56 +0000 (UTC) Received: (qmail 47559 invoked by uid 500); 17 Jan 2013 14:30:56 -0000 Delivered-To: apmail-incubator-cloudstack-dev-archive@incubator.apache.org Received: (qmail 47533 invoked by uid 500); 17 Jan 2013 14:30:56 -0000 Mailing-List: contact cloudstack-dev-help@incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: cloudstack-dev@incubator.apache.org Delivered-To: mailing list cloudstack-dev@incubator.apache.org Received: (qmail 47520 invoked by uid 99); 17 Jan 2013 14:30:55 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 17 Jan 2013 14:30:55 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of mohammad.adnan.ashraf@gmail.com designates 209.85.217.182 as permitted sender) Received: from [209.85.217.182] (HELO mail-lb0-f182.google.com) (209.85.217.182) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 17 Jan 2013 14:30:48 +0000 Received: by mail-lb0-f182.google.com with SMTP id gg6so1275111lbb.41 for ; Thu, 17 Jan 2013 06:30:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:date:message-id:subject:from:to :content-type; bh=UVmYblH3UdWb2j2sGRtQ8ysRID0+OPdOuWUJxszQfUY=; b=0DvuAAMvhjPmHUeOwZm39Yto31lDNjAT/PCrgwQma0zDloO1pHVXhB13d9Xv+jZdwp DbyLPyVfMJvk9q2LBWjGWXHx4bnhzH09BhWDC76q8hSneNp+PIFtj7o49LX4PAXzKzTW enpo7z6wmpOIROzkNCLoJ6Nqz32+nWNfKW4683iKCMRwkqlOB4Fw3zanpnuGMDKUntHh BjOGHGdoGJn3BSv/TBOt4wg2f7806lBeCM1Ir7S//PzS/jdcvDfzd2HpTuEj7cUp2bbI ItgtXSCp84QsXLXWVT2WK2H4JRHnoKe3qVLH5792cwdeXPL5JiO/xoToJGRMwmZvGLzQ bDdw== MIME-Version: 1.0 X-Received: by 10.112.11.98 with SMTP id p2mr2338485lbb.34.1358433027716; Thu, 17 Jan 2013 06:30:27 -0800 (PST) Received: by 10.114.18.212 with HTTP; Thu, 17 Jan 2013 06:30:27 -0800 (PST) Date: Thu, 17 Jan 2013 08:30:27 -0600 Message-ID: Subject: JVM level cluster deployments From: Adnan Ashraf To: cloudstack-dev@incubator.apache.org Content-Type: multipart/alternative; boundary=20cf302669f211753604d37cd60f X-Virus-Checked: Checked by ClamAV on apache.org --20cf302669f211753604d37cd60f Content-Type: text/plain; charset=ISO-8859-1 Hi, I would appreciate if anyone can provide feedback on following questions: Roughly what is the number of cloudStack deployments that are in JVM (tomcat or other server) cluster mode where all session objects, http sessions, beans etc are seamlessly failed over to the other node in case one of the node in the cluster deployment goes out of service and the user sessions carry as if nothing happened in the background. What percent of customers choose not to deploy cloudstack in a cluster mode and why? What is the largest known cluster size in deployment today? thanks regards, Adnan --20cf302669f211753604d37cd60f--