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Rendering is one of the key influencers of the perceived performance in web applications. In order to optimize the rendering behaviour of a web application you have to first understand how rendering works in the browser. Mozilla provides a very good documentation on how rendering works in Firefox. Although we are talking here about Internet [...]

As promised to the participants of the Performance Workshop which was hold this Monday at W-JAX I created a blogpost where to post your questions to and where you will also find the workshop material. I am just in the process of compiling all the material for you and will finish this over the next [...]

I recently gave a talks on the behaviour of different JPA frameworks at W-JAX(Germany) and TheServerSide Java Symposium (Prague). As some people have asked me, I am publishing the samples as well. I would also give away the eclipse project, however with all the third party libraries I am sure I will end up not [...]

This week I presented at W-JAX on Performance in AJAX Applications. You can find the slides here.

View more presentations from Alois Reitbauer.

Additionally I propose everybody to try dynaTrace AJAX Edition for analyzing AJAX performance in Internet Explorer

Last year at devoxx I gave a talk on common pitfalls in performance management. Parleys has now put the talk online. A couple of people have been asking to get slides. Now you can even get the voice and the slides. In this presentation I give an overview of typical performance antipatterns. I discuss conceptual, [...]

Several years ago JavaScript was seen as a „playground“ due to compatibility problems with browsers and high maintenance costs. Under the term AJAX JavaScript made the breakthrough in the last years. One of the reasons is the availability of libraries and better support of the major browser platforms. Prototype, script.aculo.us and jQuery are under the [...]

For all attending TheServerSide Symposium in Prague. I will present on JPA Frameworks details relevant to O/R Mapper Performance. This talk is an extension to my blog posts on Hibernate caching. As an appetizer the session abstract:

Persistence frameworks or object/relational mappers have become a central part in today’s application architectures. While they make development easier, [...]

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 [...]

Memory Leaks and other memory related problems are among the most prominent performance and scalability problems in Java.  Reason enough to discuss this topic in more detail.
The Java memory model- or more specifically the garbage collector –  has solved many memory problems. At the same time new ones have been created. Especially in J EE [...]

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 – providing computing [...]