Wrong state
debugger·cause chain
single run문제 종류에 맞는 도구를 선택해 data noise를 줄인다.
debugger·cause chain
single runthread dump·monitor event
wait graphJFR·flame graph
samplesGC·allocation·socket event
timeline핵심: PID·deploy version·timezone·수집 command를 evidence에 남긴다.