The increasing adoption of mobile applications as part of a company’s online services leads to the question whether we need to monitor like other parts of our IT infrastructure. As they are part of our shipped application services we need to ensure they are working properly. However, not every application must be monitored the same [...]

One of the big topics in the BigData community is Map/Reduce. There are a lot of good blogs that explain what Map/Reduce does and how it works logically, so I won’t repeat it (look here, here and here for a few). Very few of them however explain the technical flow of things, which I at [...]

dynaTrace AJAX Edition 3.4 now gives you full JavaScript, AJAX, Network and Rendering analysis support for Mozilla Firefox 8 and 9 as well as Internet Explorer 8 and 9. If you want to optimize the performance of all your users’ browser versions, have a look at the dynaTrace AJAX Edition Premium to guarantee the best [...]

Obviously, cloud computing is not just a fancy trend anymore. Quite a few SaaS offerings are already built on platforms like Windows Azure. Others use Amazon’s EC2 to host their complete infrastructure or at least use it for additional resources to handle peak load or do “number-crunching”. Many also end up with a hybrid approach [...]

Today’s web sites are often cluttered up with third party content that slows down page load and rendering times, hampering user experience. In my first blog post, I’ve presented how third party content impacts your website’s performance and identified common problems with its integration. Today I want to share the experience I have made as [...]

Most production monitoring systems I have seen have one major problem: There are too many JVM’s, CLRs and Hosts to monitor. One of our bigger Customers (and a Fortune 500 Company) mastered the challenge by concentrating on what really matters: The Applications! Ensure Health The following dashboard is taken directly from the production environment of [...]

Some time back I planned to publish a series about java memory problems. It took me longer than originally planned, but here is the second installment. In the first part I talked about the different causes for memory leaks, but memory leaks are by far not the only issue around java memory management. Edit: A [...]

Today is great day for us. Due to our continuously growing user base we have decided to migrate our blog to a bigger server. As a performance blog we strive to provide great performance to our readers. Our performance monitoring has shown us that our end user response times were not that great so we [...]