After a quick intro to the problem of bad quality code itself, we walk through 6 specific examples of broken applications from a performance, scalability and architectural perspective. Each example highlights the impact of quality, the root cause and the technical metric to look at before checking in code to …
The classes of the Java Collections Framework belong to the most used part of the JDK. But can the offered list implementations really be used for all purposes? The most used class ArrayList has not only a minimalistic API but also serious performance weaknesses. The first part of the session …
Most of the Java garbage collection performance and tuning information available on the Internet and periodical tends to be very specific to either a garbage collector or specific to application symptoms. This presentation takes that myriad of information and boils it down to a set of fundamentals and principles. Coming …
The presentation covers various garbage collection (GC9 tuning techniques, focusing on tuning large scale JVM deployments. Learn about GC tuning recipe that can give you the best configuration for latency sensitive applications.
As developers, we sometimes need to improve the performance our Java code. Or worse: the code in third party libraries. This talk gives a little bit of background information on why code can be slow, what free and commercial tools we have at hand to measure it, and how different …
Explore the techniques and traps involved in correct and robust application resource management in Java. Neil Richards explains ways to manage Java resources using existing and new techniques. Richards’ background as OpenJDK committer, IBM developer, and lead of the IBM ORB team makes him uniquely qualified to provide guidance on …
