Performance, Scalability and Architecture

Andreas Grabner

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Top Stories by Andreas Grabner

Are you developing or hosting PHP applications? Are you doing performance sanity checks along your delivery pipeline? No? Not Yet? Then start with a quick check. It only takes 15 minutes and it really pays off. As a developer you can improve your code, and as somebody responsible for your build pipeline you can automate these checks and enforce additional quality gates. And as a PHP Hosting company / group you will be able optimize your deployment and run more of these apps and sustain more load on the same infrastructure. Just like Java, .NET, and Ruby type applications, the top performance bottlenecks are fairly easy to spot and fixing them improves end user performance and saves compute power for your servers. Here is what we discovered when analyzing our own Moodle-based educational platform using the 15 Day Free Trial of dynaTrace: High PHP Compilation Time: O... (more)

Live from JavaOne - The Cloud Growing Up?

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 power or storage Stack as a Service - providing infrastructure plus an application stack like J EE based on e.g JBoss Platform as a Service - providing a whole development stack including services like messaging, storage (examples are ... (more)

Application Performance & Architectural Problems You Can Find in an Hour

When we get engaged with prospects that are interested in our performance management solution we walk them through a Proof of Concept. We let them install dynaTrace on their own prior to the actual POC. During the POC we ask them to exercise typical use cases on their application that show performance problems. We walk them through the different analysis options and add the findings to a final POC Presentation. In this blog I want to share some screenshots and findings of a typical Proof of Concept recently done in a heterogeneous .NET/Java Environment. Out-of-the-Box Result Pre... (more)

Analyzing Web Site Performance Made Easy

Compuware APM is pleased to announce the latest update to our free Compuware/dynaTrace AJAX Edition which now also supports Firefox 3.6 until version 25 and also Internet Explorer 6 through 10 + Experimental IE11 Support. Download it for free from our AJAX Edition Download page. To show new users the capabilities of this free tool we want to keep the tradition of analyzing some websites to show ease of use and usefulness of the tool. As it is online shopping season I picked a couple of web shops and highlight the key optimization tips that the Performance Report provides. Optimiz... (more)

JavaOne 2009 - Highlights Live from Day One

JavaOne 2009 officially started with the opening Keynote delivered by Jonathan Schwartz, CEO of Sun Microsystems. The keynote included several announcements and demos presented by partners and customers of Sun. Here are some highlights... Java Store to enable the java community to distribute their innovative Java solutions worldwide JavaFX 1.2 powered applications demonstrated on a consumer TV Intel and Sun collaboration to gain better performance of Java on Intel processors James Gosling - inventor of Java - giving a review of 14 years of Java Some words about Oracle and Sun by... (more)