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A Visual Introduction to Inner-Workings of the JVM - Douglas Hawkins

Java developers are often exposed to the inner-workings of JVM's garbage collectors, and there are a host of tools that help monitor garbage collector activity. But less often seen are the inner machinations of just-in-time compilation and deoptimization -- and how those machinations impact application performance. In this talk, we'll learn how to read some of the JVMs mysterious log files, explore tools for visualizing the information, and most importantly correlate the JVM activity with application performance behavior.