Distribution and communication between applications and services is a central concept in modern application architectures. In order to profit from distribution you have to keep some basic principles in mind – otherwise you can easily run into performance and scalability problems. During development these problems often do not surface. Then suddenly in load testing or [...]
Application Performance, Scalability and Architecture
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 [...]
Web Page Performance was one of the big topics at the Ajax Experience in Boston this week. Steve Souders – author of High Performance Web Sites and Even Faster Web Sites – talked about the top things to look into when analyzing web page performance. Business impact on Web Site Performance Steve presented some recently published [...]
Ajax, JavaScript, ECMAScript5, jQuery, DoJo, Google, Chrome, IE, Web Workers, Canvas – lots of technologies that were discussed today at the opening day of The Ajax Experience in Boston. The next Web Revolution is on its way Ben Galbraith gave the keynote speech this morning to open a conference that discusses different topics around Ajax [...]
TechTarget is hosting the Ajax Experience Conference in Boston from September 14th to 16th. Several tracks like User Experience, High Performance and Scalability, Architecture and more with sessions delivered by key people in the industry promise to provide great content for the attendees to manage the challenges in the Web 2.0 world. Web 2.0 Promises [...]
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 [...]
