Recently, I helped design a Java server application that resembled an in-memory database. That is, we biased the design toward caching tons of data in memory to provide super-fast query performance.

Q: Does Java have an operator like sizeof() in C? A: A superficial answer is that Java does not provide anything like C’s sizeof(). However, let’s consider why a Java programmer might occasionally ...

Community driven content discussing all aspects of software development from DevOps to design patterns. I don’t know anyone who likes investigating a Java heap dump. They can be massive — literally ...

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When I speak about WebSphere Portal, I often get drawn into discussions related to performance. One of my favorite comments is to: “Uninstall WebSphere Portal and switch to Apache JetSpeed.” I feel ...