Overview
Dive deep into JDK Flight Recorder (JFR), a low-overhead profiling and troubleshooting framework built into the JVM, in this 24-minute conference talk presented by Billy Korando from Oracle. Explore the powerful programming API that enables creation of application-specific events and utilization as a data source for custom infrastructure. Learn about events, settings, content types, and other metadata while discovering how to start and stop recordings, read recording files, and consume events continuously. Gain insights into the FlightRecorderMXBean and its use in controlling and transferring recording data over Java Management Extensions. Acquire practical tips and guidelines for crafting custom events, and understand the process of JFR event streaming and filtering. This comprehensive guide covers everything from JFR basics to advanced techniques, providing valuable resources for Java developers looking to enhance their profiling and troubleshooting capabilities.
Syllabus
Intro
What is JDK Flight Recorder?
JFR Events
Running JFR
Analysing Recordings
Creating Custom Events
Using Custom Events
JFR Event Streaming
Filtering Events
Resources & Closing
Taught by
Java