Flight Recorder

It's an event-based data collector that records the execution of Java programs and JVMs.

JVM flags

• -XX:FlightRecorderOptions is a comma-delimited list of properties in $key=$value form:
  • name sets the recording name.
  • defaultrecording (boolean; true or false) toggles starting the recording at JVM startup.
  • settings specifies the path to a JFR configuration file.
  • delay sets the time delay for recording starting.
  • duration specifies the length of time the recording should run for.
  • filename sets the destination filename.
  • compress (boolean) toggles gzip.
  • maxsize controls the size of the ring buffer into which events are recorded.
  • maxage controls the maximum age of events within the ring buffer.

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Backlinks

• Mission Control (public)