Java Flight Recorder

  • Introducing JmFrX: A Bridge From JMX to Java Flight Recorder

    JmFrX is a small utility which allows you to capture JMX data with Java Flight Recorder.

    In this blog post I’m going to explain how to use JmFrX for recording JMX data in your applications, point out some interesting JmFrX implemention details, and lastly will discuss some potential steps for future development of the tool.

    Avatar
    Gunnar Morling
  • Monitoring REST APIs with Custom Java Flight Recorder Events

    The Java Flight Recorder (JFR) is an invaluable tool for gaining deep insights into the performance characteristics of Java applications.

    In this blog post, we’re going to explore how custom, application-specific JFR events can be used to monitor a REST API, allowing to track request counts, identify long-running requests, and more.

    Avatar
    Gunnar Morling
  • A Closer Look at JFR Streaming

    Since JDK 14, there is a new kid on the block – Java Flight Recorder streaming, which enables developers to subscribe to JFR data.

    It is a feature allowing a developer to subscribe to select JFR data and to decide what to do with that data in the host process. JFR events can also be consumed from a separate process by pointing to the file repo of a separate JVM process – the mechanism is the same.

    Avatar
    Marcus Hirt

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