Measurement is the most central concept in any performance-related activity. If you are not measuring you are blind. As important as measuring per se is collecting the right measurements. Which metrics are the right ones depends on what you want to do. However there are some general principles which – when followed – can make [...]
Application Performance, Scalability and Architecture
During last weeks webinar – Charlie Weiblen from IntraLinks talked about how the manage performance of their SaaS running in their private cloud. You should listen to the full recorded webinar to learn more on how they transformed from traditional performance monitoring to performance management. As a teaser to the webinar I want you to [...]
A client of ours recently contacted me with the question: We use Keynote, WebPagetest and dynaTrace AJAX – but we get different results with these tools/services. WebPagetest tells us that our page is very slow – but dynaTrace on my local machine does not. What can be the problem here? What’s the difference? I took [...]
If you care about Web Performance then you should check if there is a local Web Performance Meetup Group in your area. Jonathan Klein just recently started a new Group in Boston. Sergey Chernyshev runs his Group in New York City. Both guys invited me to give a detailed Hands-On overview of the latest dynaTrace [...]
An Oracle database provides several v$ views to query information about the database instance, including statistical information that can be used for monitoring and problem analysis purposes. Rene Nyffenegger wrote a nice Summary on Oracle’s v$ views that gives an overview of all available views. The following illustration shows a dashboard with key metrics that [...]
dynaTrace Forums have been launched to give the community a new platform to interact. dynaTrace AJAX community members will get access to the dynaTrace AJAX Forums – commercial dynaTrace community members will additionally get access to the dynaTrace APM Forums. Whether you have feedback on dynaTrace, feedback or ideas for new dynaTrace Community Plugins & [...]
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 [...]
I occasionally get invited to do JavaScript/AJAX Performance Workshops. Last week I spent two days with a group of dynaTrace AJAX Users that work in a performance task force group within their R&D Organization. I asked them about the reasons for this Client-Side Performance Initiative. They told me the following story: One of our sales [...]
Last week’s Walkthrough Webinar on the new dynaTrace AJAX Edition 2.0 Beta 1 is now available for public access: View Webinar on ajax.dynatrace.com If you have any feedback on either the new dynaTrace AJAX Edition or the Best Practice Documents then please use our Community Forum an let us know about it. //
JavaScript can save your day or it can cause you nightmares. JavaScript and XHR (XmlHttpRequest) enable what the industry considers to be Web 2.0 – meaning highly interactive web sites where some application logic is pushed down to the client into the browsers JavaScript engine. As with any application code – regardless of the language [...]


