웹소켓 게임에서 락 분할, 캐싱 통해 응답 지연 12초 → 0.5초로 동시성 병목 해소#155
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웹소켓 게임에서 락 분할, 캐싱 통해 응답 지연 12초 → 0.5초로 동시성 병목 해소#155
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PR 타입
구현한 기능
테스트 결과
Synchronized로 동시성 제어: 12초 (21초 - 9초)
ReentrantLock 락분할 + 로컬 캐싱: 0.5초 (9.5초 - 9초)
*9초 = 가상 사용자 생성하여 토큰 발급 소요 시간