custom JFR event schema

domain operation을 JVM event timeline에 연결한다.

StudyOperation

Identity

operation·safe ids

fields

Timing

begin·commit duration

latency

Outcome

success·error code

result

Metadata

category·label·stack policy

schema

핵심: 본문·credential 같은 민감 data를 event에 넣지 않는다.