퍼포먼스 모니터링

Performance monitoring is an act of nonintrusively collecting or observing per- formance data from an operating or running application.

퍼포먼스 프로파일링

Performance profiling in contrast to performance monitoring is an act of col- lecting performance data from an operating or running application that may be intrusive on application responsiveness or throughput.

퍼포먼스 튜닝

Performance tuning, in contrast to performance monitoring and perfor- mance profiling, is an act of changing tune-ables, source code, or configura- tion attribute(s) for the purposes of improving application responsiveness or throughput.

그러니깐.. 모니터링으로 성능 문제를 인지하면, 프로파일링을해서 원인을 찾고, 튜닝으로 해결한다. 용어에 대한 정의를 서로 잘 공유하면 대화하기가 편할텐데.. 모니터링/프로파일링은 좀 햇갈렸었는데 이렇게 구분하면 되겠군.