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#1. JPS

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// PID, 메인 메소드의 args 표시\n$ jps -m \n\n// PID, jvm 파라미터 표시\n$ jps -v
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#2. JMAP

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#2.1. heap 메모리 사용 현황에 대한 요약 정보

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$jmap -heap <PID>
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#2.2. 객체 타입 별 사용 내역

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$jmap -histo:live <PID>
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참고) [C, [I, [B 이란?
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#2.3. gc 대기중인 클래스 목록 확인

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$jmap -finalizerinfo <PID>
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#2.4. 덤프 파일 생성

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#3. JHAT

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