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docs(redis): 4편 Cache-aside와 캐시 무효화 전략 #151
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area: blogBlog listing, post rendering, search, tags, or seriesBlog listing, post rendering, search, tags, or seriesarea: contentBlog post content changesBlog post content changesdocumentationImprovements or additions to documentationImprovements or additions to documentationtrack: redisRedis learning and mastery trackRedis learning and mastery tracktype: challengeLearning challenge or diagnostic taskLearning challenge or diagnostic task
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area: blogBlog listing, post rendering, search, tags, or seriesBlog listing, post rendering, search, tags, or seriesarea: contentBlog post content changesBlog post content changesdocumentationImprovements or additions to documentationImprovements or additions to documentationtrack: redisRedis learning and mastery trackRedis learning and mastery tracktype: challengeLearning challenge or diagnostic taskLearning challenge or diagnostic task
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Redis를 cache로 쓸 때 가장 흔한 cache-aside 패턴과 무효화 문제를 정리한다. 단순히 "캐시하면 빠르다"가 아니라 stale data, cache stampede, negative cache, TTL 설계를 판단한다.
다룰 질문
설계 산출물
완료 조건
다음 세션 시작 지점
설계 산출물 댓글을 읽고, stale data 허용 기준과 TTL 근거를 먼저 검토한다.