Performance is one of the major concerns in the cloud. But the question should not really be whether or not the cloud performs, but whether the Application in question can and does perform in the cloud. The main problem here is that application performance is either not managed at all or managed incorrectly and therefore [...]
It has been 5 years ago that Amazon launched its EC2 Cloud. Since then it has been growing and learning constantly. Those in the know have waited and dreaded the coming 21st of April 2011. Yesterday at 1AM PDT the Amazon Elastic Cloud gained self-awareness. It immediately tried to take over the US-EAST region. According [...]
The following overview of our webinar with IntraLinks is taken from the guest blog I wrote for the IntraLinks blog: —- The Cloud has become the hot topic in the past year, with many major technology leaders (Amazon, Google, Microsoft, SalesForce.com, etc.) extensively promoting public cloud services. What is equally interesting is the growth of [...]
Our dynaTrace Community Portal is our gateway to our users. Especially with the rapidly-growing number of world-wide users of our FREE dynaTrace AJAX Edition, it is necessary to keep track on how well our pages perform from around the globe to satisfy our “performance hungry” community There are two important questions we want to get [...]
Amazon EC2 offers the CloudWatch service to monitor cloud instances as well as load balancers. While this service comes at some cost (0,015$/hour/instance) it offers useful infrastructure metrics about the performance of your EC2 infrastructure. While there are commercial and free tools out there which provide this service, you might not want to invest in [...]
Because virtual machines work by time-sharing host physical hardware, a virtual machine cannot exactly duplicate the timing behaviour of a physical machine. This leads to the timekeeping problems explained in the VMWare White Paper about Timekeeping in Virtual Machines that results in inaccurate time measurements within the virtual machine. This affects ALL performance metrics that rely [...]
It is Day 3 at VMWorld 2009 and the “promised” announcements during the yesterday’s keynote finally hit the wire. 1000+ Service Providers – including AT&T, Verizon, Savvis, Terremark – are going to offer Cloud Services based on VMWare’s Cloud OS – read the full press release here: http://www.vmware.com/company/news/releases/vcloud-express-vmworld09.html About vCloud API, VMWare Studio and AppSpeed Today [...]
Tod Nielsen and Paul Maritz hosted the Keynote today at VMWorld 2009 speaking to 12.488 attendees. Maritz painted the history of virtualization and presented the idea of the Virtual Datacenter where VMWare allows you to manage your virtual datacenter – regardless whether deployed internally on your own infrastructure or externally on the infrastructure of a [...]
The Moscone Center in San Francisco opened the gates for VMWorld 2009. Over the next couple of days the attendees, partners and the press will hear the news about upcoming trends and challenges in virtualization and how VMWare (and their user base) is going to face them. The first announcement today was about VMWare Go [...]
I already listened to a couple of talks on the cloud. The whole cloud topic start to grow up, meaning more and more application scenarios for the cloud are appearing. Yesterday there was a very useful classifcation of cloud services. The differentiated cloud services at a couple of different levels. Infrastructure as a Service – [...]
