It's an event-based data collector that records the execution of Java programs and JVMs.
-XX:FlightRecorderOptionsis a comma-delimited list of properties in
namesets the recording name.
false) toggles starting the recording at JVM startup.
settingsspecifies the path to a JFR configuration file.
delaysets the time delay for recording starting.
durationspecifies the length of time the recording should run for.
filenamesets the destination filename.
compress(boolean) toggles gzip.
maxsizecontrols the size of the ring buffer into which events are recorded.
maxagecontrols the maximum age of events within the ring buffer.