Most developers know that finalizers should not be depended on, but sometimes they are necessary. PhantomReferences, often cited as a good alternative, also suffer from the same fundamental problems. In this article we reveal how to contend with the many issues surrounding finalization in Java.
With tens of thousands of Java servers running in production in the enterprise, many engineers still lack the skills to keep their Java servers greased. In this article InfoQ takes a look at basic techniques for tuning Java servers.
Practical Cassandra: A Developer's Approach book by Russell Bradberry and Eric Lubow, is a developer's guide to build applications using Cassandra NoSQL database. InfoQ spoke with the authors about the book, Cassandra data model, design considerations and how Cassandra performs concurrency and versioning of the data sets.
Garbage Collection takes minutes to learn and a lifetime to master. In this article Master trainer/consultant Ben Evans summarizes his recent InfoQ presentation "Visualizing Garbage Collection"
Sometimes memory profiling is better than execution profiling for finding execution hot spots. In this article Kirk Pepperdine talks through some indicators for determining when to use which profiler 7
In July Monica Beckwith explored the theory of the new G1 GC Garbage First Garbage Collector. In this second installment, Monica delves into more practical aspects and provides guidance for tuning. 11
Many articles describe how a poorly tuned garbage collector can bring an application's SLA to its knees. The G1 collector replaces the conventional algorithms with a concept of “regions” 4
In the world of application delivery, performance tuning still eludes the mainstream. InfoQ spoke to 5 luminaries of the performance monitoring space about it. The result was quite an active debate. 1
Michael Slinn examines how to benchmark JVM concurrency options for JVM-based langauges including Java and Scala. 2
The book "Solving Enterprise Applications Performance Puzzles" by Leonid Grinshpan explains how to boost the performance of enterprise applications. 3
Java Performance, by Charlie Hunt and Binu John, provides performance tuning advice for both Java SE and EE applications. InfoQ reviews the book, and talks to the authors about their approach.
Joachim walks you step by step through using open source tools like JMap, VisualVM, BTrace, and EurekaJ to effectively diagnose performance and memory problems in your Java apps. 9