It can be thought of as the software equivalent of a Data Flight Recorder (Black Box) in a commercial aircraft.
In other words, the metadata (such as the datatype and the content type of each attribute) needed to make use of the data (not only parse the events, but actually use them) is included in the chunk.
[4] In 2018 Java Flight Recorder was open sourced and released as part of OpenJDK 11.
[5] When open sourced it was rebranded JDK Flight Recorder, due to Java trademark issues.
The development of JDK Flight Recorder is taking place as part of the OpenJDK JDK [6] project on GitHub,[7] although most of the public discussions are taking place on the OpenJDK hotspot-jfr-dev [8] mailing list.