JDK Flight Recorder
JDK Flight Recorder (JFR) is an observability and monitoring framework built into the HotSpot JVM. JFR has low overhead, an extensive API, and a large toolset that can provide deep insight into your applications and assist in development.
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Introduction to JDK Flight Recorder
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Getting Started with the JDK Flight Recorder
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Configuring the JDK Flight Recorder
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The JFR command line tools