[feat] Spring Cache(Caffeine) 도입 — 화이트리스트 기반 Strict + after-commit 이벤트 무효화#137
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[feat] Spring Cache(Caffeine) 도입 — 화이트리스트 기반 Strict + after-commit 이벤트 무효화#137
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- - CacheConfig: Caffeine 캐시, 캐시별 정책(최대치/TTL/recordStats) - Strict 모드: 미등록 캐시 이름 사용 시 fail-fast - Post 관련 캐시 무효화 이벤트/리스너 기본 구조 추가
- - PostService: 수정/삭제/비활성화 시 캐시 무효화 이벤트 발행 - PostImageService: 이미지 변경 시 관련 캐시 키 정밀 무효화 신호 전파 - PostImageRepository: 서비스 변경 흐름에 맞춘 시그니처 보완
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src/main/java/kr/co/pinup/cache/listener/PostCacheInvalidationListener.java
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src/main/java/kr/co/pinup/cache/listener/PostCacheInvalidationListener.java
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var 제거하고 Cache 등 명시 타입으로 변경 evictIfPresent 헬퍼 추가하여 중복 getCache/null 체크 정리 이벤트/변수 의미 있는 이름으로 리네이밍
whoamixzerone
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Oct 31, 2025
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고생하셨습니다.
단순히 캐시만 등록하는게 아닌 다른 규칙들도 고민하고 적용한 것이 느껴지네요 👏
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요약
@TransactionalEventListener(phase = AFTER_COMMIT)로 커밋 후 정밀evict수행.post:detail,post:images(CacheNames.POST_DETAIL/POST_IMAGES).작업 내용
CaffeineCacheManager커스터마이징setCacheNames(...)로 허용 캐시명 화이트리스트 적용(동적 생성 차단)AppCacheProps(yml 바인딩)로 주입,recordStats()활성화PostCacheEvent(Kind: UPDATED/DISABLED/DELETED, postId, detailChanged, imagesChanged)PostCacheInvalidationListenerUPDATED:detailChanged→post:detail만 evict,imagesChanged→post:images만 evictDISABLED:post:detailevictDELETED:post:detail,post:images모두 evict참고 사항
hit/miss/put/evict/size지표 기반으로 TTL/size 조정(초기값 예: TTL 60s / size 1k).spring.cache.type=caffeinespring.cache.app.defaults/caches로 per-cachettlSec,maximumSize설정관련 이슈