{"id":1967,"date":"2025-03-03T16:46:06","date_gmt":"2025-03-03T07:46:06","guid":{"rendered":"https:\/\/skanto.co.kr\/?p=1967"},"modified":"2025-03-04T14:52:05","modified_gmt":"2025-03-04T05:52:05","slug":"spring-boot-caching-with-redis","status":"publish","type":"post","link":"https:\/\/skanto.co.kr\/?p=1967","title":{"rendered":"Spring Boot Caching with Redis"},"content":{"rendered":"\n

\uc694\uc998 Spring\uc744 \ud65c\uc6a9\ud558\ub294 \ubc29\ubc95\uc5d0 \uc775\uc219\ud574 \uc9c0\ub824\uace0 \ub178\ub825\ud558\uace0 \uc788\ub2e4. \uc0ac\uc2e4 Spring\uc740 \uac70\uc758 15\ub144\uc5ec \uc804 Spring Framework \ucd08\uae30\uc5d0 \uc7a0\uae50 \uc0ac\uc6a9\ud574\ubcf4\uace0 \uadf8 \uc774\ud6c4\ub294 \uacbd\ud5d8\uc774 \uc804\ubb34\ud55c \ud130\ub77c \uac1c\ub150 \uc815\ub3c4\ub294 \uc598\uae30\ud560 \uc218 \uc788\uc744\uc9c0\ub77c\ub3c4 \uc694\uc998 \uac1c\ubc1c\uc790\ub4e4\uacfc Spring \ud65c\uc6a9\uc5d0 \ub300\ud574 \ub9d0\uc744 \uc369\uc744 \uc218 \uc788\ub294 \ucc98\uc9c0\uac00 \ubabb\ub41c\ub2e4.<\/p>\n\n\n\n

\uc774 \ucc38\uc5d0 Spring\uc5d0 \ub179\uc544\uc788\ub294 \ud575\uc2ec\uc801\uc778 \uae30\uc220\ub4e4\uc744 \ud558\ub098\uc529 \uaebc\ub0b4\uc640\uc11c \uc774\ud574\ud558\uace0 \uc815\ub9ac\ud574 \ubcf4\ub824\uace0 \ud55c\ub2e4. \uc774 \uae00\uc740 \uadf8 \uc2dc\ub9ac\uc988\uc758 \uccab \ubc88\uc9f8\ub85c Spring Cache\uc5d0 \ub300\ud55c \ub0b4\uc6a9\uc774\ub2e4. \uc778\ud130\ub137\uc5d0\uc11c \ud754\ud788 \uc18c\uac1c\ub418\uace0 \uc788\ub294 \ub0b4\uc6a9\ub4e4 \ubcf4\ub2e4 \uc880 \ub354 \uae4a\uc219\uc774 \ub4e4\uc5b4\uac00\uc11c \uc5b4\ub5a4 \ub9e4\ucee4\ub2c8\uc998\uc5d0 \uc758\ud574 Caching\uc774 \uc801\uc6a9\ub418\uace0 \ub3d9\uc791\ud558\ub294 \uc9c0 \uc0b4\ud3b4\ubcf4\ub3c4\ub85d \ud55c\ub2e4.<\/p>\n\n\n\n

\uc2dc\uc791\ud558\uae30 \uc804\uc5d0, \uc774 \uae00\uc5d0\uc11c \uc124\uba85\ud558\ub294 \uc0d8\ud50c \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uc740 \ucf54\ub4dc\ub9cc \ubd10\ub3c4 \uc27d\uac8c \uc774\ud574\ud560 \uc218 \uc788\ub3c4\ub85d \uac04\ub2e8\ud558\uac8c \uc791\uc131\ud588\ub2e4. \uc544\ud0a4\ud14d\ucc98\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub9ce\uc774 \ud65c\uc6a9\ud558\ub294 Web-WAS-DB 3Tier \uae30\ubc18\uc73c\ub85c DB\ub294 PostgreSQL\uc744 \uadf8\ub9ac\uace0 Cache Store\ub85c\ub294 Redis\ub97c \uc774\uc6a9\ud588\uc73c\ub2c8 \ucc38\uace0\ud558\uae30 \ubc14\ub780\ub2e4.<\/p>\n\n\n\n

Introduction<\/h2>\n\n\n\n

Spring\uc5d0\uc11c Caching\uc740 Spring Framework 3.1\ubd80\ud130 \uc9c0\uc6d0\ud574 \uc624\uace0 \uc788\ub2e4. \uc774\ud6c4 Spring Framework 4.1\uc774 \ub418\uba74\uc11c \ud070 \ubcc0\ud654\uac00 \ubc1c\uc0dd\ud558\ub294\ub370 JSR-107<\/a>\uc744 \uc9c0\uc6d0\ud568\uc73c\ub85c\uc368 Caching\uae30\ub2a5\uc774 \ud655\uc7a5\ub41c\ub2e4. \uc774\uac83\uc774 \uc694\uc998 \uac70\uc758 \ub300\ubd80\ubd84 \ud544\uc218\uc801\uc73c\ub85c \ud65c\uc6a9\ud558\ub294 Caching Annotation \uc9c0\uc6d0\uc758 \uc2dc\ucd08\uac00 \ub41c\ub2e4.<\/p>\n\n\n\n

\uc77c\ubc18\uc801\uc73c\ub85c Caching\uc774 \uc5b4\ub5a4 \uae30\ub2a5\uc778\uc9c0\ub294 \ub2e4\ub4e4 \uc54c\uace0 \uc788\uc73c\ub9ac\ub77c \uc0dd\uac01\ud55c\ub2e4. <\/p>\n\n\n

\n
\"\"\/<\/figure>\n<\/div>\n\n\n

\uc704 \uadf8\ub9bc\uacfc \uac19\uc774 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub85c\ubd80\ud130 \ub370\uc774\ud130\ub97c \uc77d\uc5b4\uc624\uac70\ub098 Network\uc73c\ub85c \ubd80\ud130 \ub370\uc774\ud130\ub97c \uc77d\uc5b4\uc624\ub294 \uac83\uacfc \uac19\uc774 I\/O bound\uc758 \ub3d9\uc791\uc774\ub098 CPU intensive\ud55c \uc5f0\uc0b0\uc758 \uacbd\uc6b0 Application \uc131\ub2a5\uc744 \ub192\uc774\uae30 \uc704\ud574 Cache\ub97c \uc801\uc6a9\ud558\ub294 \uac83\uc774 \uc77c\ubc18\uc801\uc774\ub2e4.<\/p>\n\n\n\n

Spring Framework\uc740 Cache Abstraction\uc774\ub77c\ub294 \ub9e4\ucee4\ub2c8\uc998\uc73c\ub85c \uc774\ub7f0 Expensive\ud55c \ub3d9\uc791\uc758 \ud69f\uc218\ub97c \uc904\uc77c \uc218 \uc788\ub3c4\ub85d Method \ucc28\uc6d0\uc5d0\uc11c Caching\uae30\ub2a5\uc744 \uc9c0\uc6d0\ud55c\ub2e4.<\/p>\n\n\n\n

Cache Abstraction<\/h2>\n\n\n\n

Spring Framework\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uc5ec\ub7ec \uc11c\ube44\uc2a4\ub4e4 \ucc98\ub7fc Caching\ub3c4 Abstraction(\ucd94\uc0c1\ud654)\ub418\uc5b4 \uc788\ub2e4. \ub530\ub77c\uc11c \uac1c\ubc1c\uc790\uac00 Cache \ub370\uc774\ud130 \uc800\uc7a5\uc5d0 \ud544\uc694\ud55c Store\ub9cc \uc9c0\uc815\ud574\uc8fc\uba74 Cache<\/em>\uc640 CacheManager<\/em> \uc778\ud130\ud398\uc774\uc2a4 \uad6c\ud604\uccb4\uc778 Abstraction \ub808\ubca8\uc5d0\uc11c \ub300\ubd80\ubd84\uc758 \uae30\ub2a5\uc744 \ucc98\ub9ac\ud574 \uc90c\uc73c\ub85c \uac1c\ubc1c\uc790\uac00 \uad73\uc774 Caching\ub85c\uc9c1\uc744 \uc9c1\uc811 \uad6c\ud604\ud558\uc9c0 \uc54a\uc544\ub3c4 \ub41c\ub2e4.<\/p>\n\n\n\n

Spring Boot\ub294 Bean \ud0c0\uc785\uc758 CacheManager \uac00 \ub4f1\ub85d\ub41c \uc0c1\ud0dc\uac00 \uc544\ub2c8\uac70\ub098 cacheResolver \uc774\ub984\uc73c\ub85c \ub41c CacheResolver\uac00 \uc815\uc758\ub418\uc9c0 \uc54a\uc740 \uc0c1\ud0dc\ub77c\uba74 \uc544\ub798\uc758 \uc21c\uc11c\ub300\ub85c Provider\ub97c \uc790\ub3d9 \ud0d0\uc9c0<\/span><\/strong>\ud55c\ub2e4.<\/p>\n\n\n\n

    \n
  1. Generic<\/li>\n\n\n\n
  2. JCache<\/li>\n\n\n\n
  3. Hazelcast<\/li>\n\n\n\n
  4. Infinispan<\/li>\n\n\n\n
  5. Couchbase<\/li>\n\n\n\n
  6. Redis<\/li>\n\n\n\n
  7. Caffeine<\/li>\n\n\n\n
  8. Cache2k<\/li>\n\n\n\n
  9. Simple (\uc704\uc758 Provider\ub97c \ucc3e\uc9c0 \ubabb\ud588\ub2e4\uba74 Default \uc801\uc6a9)<\/em><\/li>\n<\/ol>\n\n\n\n

    CacheManager\uac00 \uc790\ub3d9\uc73c\ub85c \uc124\uc815\ub418\uc5b4 \uc788\ub2e4\uba74 \uc774\ub97c \uc778\uc704\uc801\uc73c\ub85c \uad50\uccb4\ud560 \uc218 \uc788\ub2e4. application.properties<\/em>\ud30c\uc77c\uc5d0 spring.cache.type<\/em> property\ub97c \uc774\uc6a9\ud558\uc5ec \uc9c1\uc811 Provider\ub97c \uc9c0\uc815\ud558\uba74 \ud574\ub2f9 Cache Provider\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4. \uc608\ub97c \ub4e4\uc5b4 Cash Provider\ub97c Redis\ub85c \uc9c0\uc815\ud558\uace0\uc790 \ud55c\ub2e4\uba74 \uc544\ub798\uc640 \uac19\uc774 \uc124\uc815\ud558\uba74 \ub41c\ub2e4.<\/p>\n\n\n\n

    spring.cache.type=redis<\/code><\/pre>\n\n\n\n
    \ub610\ud55c \uc774 \uc18d\uc131\uc744 \ud65c\uc6a9\ud558\uba74 Caching \uae30\ub2a5\uc744 \ub044\uace0 \uc2f6\uc744 \ub54c \uac04\ub2e8\ud558\uac8c \ud574\uacb0\ud560 \uc218 \uc788\ub2e4. \uc544\ub798\uc640 \uac19\uc774 \uc124\uc815\ud558\uba74 \ucf54\ub4dc\ub97c \uc77c\uc77c\uc774 \uc218\uc815\ud558\uc9c0 \uc54a\uace0\ub3c4 \uc27d\uac8c Caching\uae30\ub2a5\uc744 \uc911\uc9c0\uc2dc\ud0ac \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
    spring.cache.type=none<\/code><\/pre>\n\n\n\n
    Cache Abstraction \uc740 \ud074\ub798\uc2a4\uc758 Method \ub808\ubca8\uc5d0\uc11c Caching\uc744 \uc801\uc6a9\ud55c\ub2e4\uace0 \uc55e\uc5d0\uc11c \uc124\uba85\ud588\ub2e4. \uc989, Method\uac00 \ud638\ucd9c \ub420 \ub54c\ub9c8\ub2e4 Caching\uc744 \uc704\ud574 \uba3c\uc800 \ub3d9\uc77c\ud55c \ubcc0\uc218 \uac12\uc73c\ub85c \uc774\ubbf8 \ud638\ucd9c \ub41c \uc801\uc774 \uc788\ub294\uc9c0 \ud655\uc778\ud55c\ub2e4. \uc774\ubbf8 \ud638\ucd9c\ub41c \uc801\uc774 \uc788\ub2e4\uba74 Method \ub97c \uc9c1\uc811 \uc2e4\ud589\ud558\uc9c0 \uc54a\uace0 Caching\ub41c \uacb0\uacfc\ub97c \ubc18\ud658\ud55c\ub2e4. \uadf8\ub807\uc9c0 \uc54a\ub2e4\uba74 Method \uc2e4\ud589 \ud6c4 \uadf8 \uacb0\uacfc\ub97c \uba3c\uc800 Caching\ud558\uace0 \ubc18\ud658\ud558\ub3c4\ub85d \ud55c\ub2e4. \uc774\ub7f0 \ubc29\ubc95\uc73c\ub85c Expensive\ud55c Method\ub294 \ud30c\ub77c\ubbf8\ud130\ub97c \uae30\ubc18\uc73c\ub85c \ucd5c\ucd08 \ud55c\ubc88\ub9cc \uc2e4\ud589\ud558\uace0 \uc774\ud6c4\ubd80\ud130\ub294 Caching\ub41c \uacb0\uacfc\ub97c \uc7ac\ud65c\uc6a9\ud558\ub3c4\ub85d \ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
    Cache Abstraction \uc740 \uadf8 \uc678\uc5d0\ub3c4 \ubcf4\uc774\uc9c0 \uc54a\ub294 \ubd80\ubd84\uc5d0\uc11c Cache\uc758 \ub0b4\uc6a9\uc744 \uc5c5\ub370\uc774\ud2b8\ud558\uac70\ub098 Cache\ub97c \uc0ad\uc81c\ud558\ub294 \ub4f1 Cache\uc640 \uad00\ub828\ub41c \ub3d9\uc791\uc744 \uc9c0\uc6d0\ud55c\ub2e4. \uc774\ub294 Application \uc2e4\ud589 \uc911\uc5d0 Cache \ub0b4\uc6a9\uc774 \ubcc0\uacbd\ub420 \uacbd\uc6b0 \ub0b4\ubd80\uc801\uc73c\ub85c Seamless\ud558\uac8c \ucc98\ub9ac\ud558\uac8c \ub41c\ub2e4.<\/p>\n\n\n\n
    Auto Configuring<\/h2>\n\n\n\n
    Spring Framework\uc740 \uc11c\ube44\uc2a4\ub294 \ub3c5\ub9bd\uc801\uc778 \ubaa8\ub4c8\ub85c \ubd84\ub9ac\ub418\uc5b4 \uc788\uc73c\uba70 \ud574\ub2f9 \ubaa8\ub4c8\uc744 Dependency\uc5d0 \ucd94\uac00\ud558\ub294 \uac83\ub9cc\uc73c\ub85c \uadf8 \uae30\ub2a5\uc744 \ubc14\ub85c \ud65c\uc6a9\ud560 \uc218 \uc788\ub3c4\ub85d \ud558\uace0 \uc788\ub2e4. \ub530\ub77c\uc11c Spring Boot\uc5d0\uc11c Caching\uae30\ub2a5\uc744 \ud65c\uc6a9\ud558\uace0\uc790 \ud55c\ub2e4\uba74 Gradle\uc758 build.gradle<\/em>\ud30c\uc77c\uc5d0 \uc544\ub798\uc640 \uac19\uc774 \ucd94\uac00(bold<\/strong>)\ud574\uc8fc\uae30\ub9cc \ud558\uba74 \uae30\ubcf8 \uc124\uc815\uc740 \ub05d\ub09c\ub2e4.<\/p>\n\n\n\n
    dependencies {\n\timplementation 'org.springframework.boot:spring-boot-starter-web'\n\timplementation 'org.springframework.boot:spring-boot-starter-cache'<\/strong>\n\timplementation 'org.springframework.boot:spring-boot-starter-data-jpa'\n        ...\n}\n<\/code><\/pre>\n\n\n\n
    Spring Boot starter\uc911 spring-boot-starter-cache<\/em> \ub97c Dependency\uc5d0 \ucd94\uac00\ud558\uba74 Spring Context\uac00 Caching\uae30\ub2a5\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub3c4\ub85d \ub0b4\ubd80\uc801\uc73c\ub85c \ud658\uacbd\uc744 \uad6c\uc131\ud55c\ub2e4.<\/p>\n\n\n\n
    \uc774 \uc0c1\ud0dc\uc5d0\uc11c Default \uc124\uc815\ub9cc\uc73c\ub85c Caching\uae30\ub2a5\uc744 \ud65c\uc6a9\ud560 \uc218\ub294 \uc788\ub2e4. \ub0b4\ubd80\uc801\uc73c\ub85c \uc784\uc758\uc758 Cache Store\uac00 \ucd94\uac00\ub41c \uc0c1\ud0dc\uac00 \uc544\ub2c8\ubbc0\ub85c \uc55e\uc5d0\uc11c \uc124\uba85\ud55c \ud0d0\uc9c0 \uc21c\uc11c\uc5d0\uc11c \uc81c\uc77c \ub9c8\uc9c0\ub9c9\uc5d0 \uc81c\uacf5\ub418\ub294 Simple Provider(ConcurrentHashMap<\/em>)\uac00 default\ub85c \uc801\uc6a9\ub41c\ub2e4. \uc774 Simple Provider\ub294 \uae30\ubcf8\uc801\uc778  Store\ub9cc \uc81c\uacf5\ud558\uace0 TTL\/TTI\/Eviction \uc815\ucc45 \ub4f1\uc744 \uc81c\uacf5\ud558\uc9c0 \uc54a\uc544 \uae30\ub2a5\uc774 \ub9e4\uc6b0 \uc81c\ud55c\uc801\uc774\ub2e4. \ub530\ub77c\uc11c, \uc0c1\uc6a9\ud658\uacbd\uc5d0\ub294 \uc808\ub300 \uc801\uc6a9\ud558\uc9c0 \ub9d0\uc544\uc57c \ud55c\ub2e4<\/span>.<\/p>\n\n\n\n
    \uc774 \uae00\uc5d0\uc11c\ub294 Cache Store\ub85c Redis\ub97c \ud65c\uc6a9\ud558\uae30\ub85c \ud588\uc73c\ubbc0\ub85c \uc544\ub798\uc640 \uac19\uc774 build.gradle<\/em>\ud30c\uc77c\uc5d0 Redis Dependency\ub9cc \ucd94\uac00\ud558\uba74 WAS \uc2dc\uc791 \ub2e8\uacc4\uc5d0\uc11c \uc790\ub3d9\uc73c\ub85c Redis Cache Store\ub97c \ud0d0\uc9c0\ud558\ubbc0\ub85c Cache Store\ub97c \uc9c0\uc815\ud558\ub294 \ub2e8\uacc4\uae4c\uc9c0 \uac04\ub2e8\ud558\uac8c \ub9c8\ubb34\ub9ac\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
    dependencies {\n\timplementation 'org.springframework.boot:spring-boot-starter-web'\n\t<\/strong>implementation 'org.springframework.boot:spring-boot-starter-cache'\n        implementation 'org.springframework.boot:spring-boot-starter-data-redis'<\/strong>\n\timplementation 'org.springframework.boot:spring-boot-starter-data-jpa'\n        ...\n}<\/code><\/pre>\n\n\n\n
    \uc774\uc81c Cache Store\ub85c Redis\ub97c \ud65c\uc6a9\ud560 \uc218 \uc788\ub3c4\ub85d \ud588\uc73c\ub2c8 \uc544\ub798\uc640 \uac19\uc774 Spring\uc758 application.properties<\/em>\ud30c\uc77c\uc5d0 Redis \uc811\uc18d\uc744 \uc704\ud55c \uae30\ubcf8\uc801\uc778 \ud658\uacbd\ubcc0\uc218\ub97c \uc9c0\uc815\ud55c\ub2e4. Redis\uad00\ub828 cache default\uc124\uc815\uc740 spring.cache.data.redis.*<\/em> \uc18d\uc131\uc73c\ub85c \uc9c0\uc815\ud55c\ub2e4. \uc5ec\uae30\uc11c\ub294 Redis\uac00 local<\/em>\uc5d0 \uc124\uce58\ub418\uc5b4 \uc788\uace0 6379<\/em> \ud3ec\ud2b8(default)\ub85c \uc11c\ube44\uc2a4\ub418\uace0 \uc788\ub2e4\uace0 \uac00\uc815\ud55c\ub2e4.<\/p>\n\n\n\n
    # redist host address(default: localhost)\nspring.data.redis.host=localhost\n\n# redis service port(default: 6379)\nspring.data.redis.port=6379\n\n# sets cache expiration(if not (m), time is milliseconds). By default the entries never expire\nspring.cache.redis.time-to-live=1m<\/code><\/pre>\n\n\n\n
    \uc774\uc640 \uac19\uc774 \uae30\ubcf8\uc801\uc778 \ud658\uacbd\ubcc0\uc218\ub85c Redis \uc11c\ubc84\uc640 \ud3ec\ud2b8, \uadf8\ub9ac\uace0 Cache\uc758 TTL(1\ubd84)\uc744 \uc124\uc815\ud588\uc9c0\ub9cc \uc0ac\uc2e4 \uc774 \uac12\ub4e4\uc740 \uc124\uc815\ud558\uc9c0 \uc54a\uc544\ub3c4 \ub41c\ub2e4. \uc65c\ub0d0\ud558\uba74 \uac01 Property\uc758 default \uac12\uc774 \uac01\uac01 localhost<\/em>, 6379<\/em>, \uadf8\ub9ac\uace0 no-expire(\uc0ad\uc81c\ub418\uc9c0 \uc54a\uc74c)\uc774\uae30 \ub54c\ubb38\uc774\ub2e4.<\/p>\n\n\n\n
    \ud658\uacbd\uc124\uc815\ub9cc\uc73c\ub85c\ub294 \ud560 \uc218 \uc5c6\ub294 \uc880 \ub354 \uc12c\uc138\ud55c \uc81c\uc5b4\ub97c \ud558\uace0 \uc2f6\uc744 \uacbd\uc6b0 \uc790\uc2e0\ub9cc\uc758 RedisCacheConfiguration<\/em> \uac1d\uccb4\ub97c \ub9cc\ub4e4\uc5b4 @Bean<\/em>\uc73c\ub85c SpringContext\uc5d0 \ucd94\uac00\ud574 \uc8fc\uae30\ub9cc \ud558\uba74 Redis Provider\uac00 \uc790\ub3d9\uc73c\ub85c \uc778\uc2dd\ud55c\ub2e4. \uc774 \uacfc\uc815\uc740 \ucd94\ud6c4\uc5d0 \uc790\uc138\ud558\uac8c \uc124\uba85\ud558\uae30\ub85c \ud55c\ub2e4.<\/p>\n\n\n\n
    \uc774\uc81c Spring Application \ud074\ub798\uc2a4\uc5d0 @EnableCaching <\/strong>Annotation\uc744 \uc9c0\uc815\ud558\uae30\ub9cc \ud558\uba74 Spring Boot\ub294 \ub0b4\ubd80\uc801\uc73c\ub85c Caching\uae30\ub2a5\uc744 \uc790\ub3d9\uc124\uc815(auto-configuration)\ud558\ub3c4\ub85d \ud574\uc900\ub2e4.<\/p>\n\n\n\n
    Enabling Caching Annotation<\/h2>\n\n\n\n
    \uc790, \uc774\uc81c \ubcf8\uaca9\uc801\uc73c\ub85c \uc0d8\ud50c\ucf54\ub4dc\ub97c \ud65c\uc6a9\ud558\uc5ec \uc124\uba85\uc744 \uc774\uc5b4\uac00 \ubcf4\ub3c4\ub85d \ud558\uaca0\ub2e4.<\/p>\n\n\n\n
    Cache annotation\uc778 @EnableCaching<\/em> \ub9cc \uc124\uc815\ud588\ub2e4\uace0 \ud574\uc11c \uc790\ub3d9\uc801\uc73c\ub85c Caching\uae30\ub2a5\uc774 \ub3d9\uc791\ud558\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4. Caching\uae30\ub2a5\uc740 Spring\uc758 \ub2e4\ub978 \uae30\ub2a5\ub4e4\ucc98\ub7fc \uc120\uc5b8\uc801\uc778 \ubc29\ubc95\uc73c\ub85c \uc9c0\uc815\ud574 \uc8fc\uc5b4\uc57c \ud55c\ub2e4.<\/span> \uc989, @Configuration<\/em> \uc774 \uc9c0\uc815\ub41c \ud074\ub798\uc2a4\uc5d0 \ucd94\uac00\uc801\uc73c\ub85c @EnableCaching<\/em> annotation\uc744 <\/span>\uc9c0\uc815\ud574 \uc8fc\uc5b4\uc57c\ub9cc \uc2dc\uc791\ub2e8\uacc4\uc5d0\uc11c \uc790\ub3d9\uc73c\ub85c \uc778\uc2dd\ud558\uace0 \ub3d9\uc791\ud558\uac8c \ub418\uc5b4\uc788\ub2e4.<\/span> \ubc88\uac70\ub86d\uae30\ub294 \ud558\uc9c0\ub9cc \uc774\ub294 \ud504\ub85c\uadf8\ub7a8 \ub3d9\uc791 \uc911 Caching \uae30\ub2a5\uc5d0 \ubb38\uc81c\uac00 \uc758\uc2ec\ub420 \uacbd\uc6b0 \ucf54\ub4dc \uc0c1\uc5d0\uc11c Caching\uad00\ub828 annotation\uc744 \uc77c\uc77c\uc774 \uc81c\uac70\ud558\ub294\uac83 \ubcf4\ub2e4 @EnableCaching<\/em> annotation \ud558\ub098\ub9cc \uc81c\uac70\ud558\ub354\ub77c\ub3c4 Caching\uae30\ub2a5\uc744 \uc911\uc9c0\uc2dc\ud0ac \uc218 \uc788\ub294 \uc21c\uae30\ub2a5\ub3c4 \uc81c\uacf5\ud55c\ub2e4. (\uc55e\uc5d0\uc11c \uc124\uba85\ud55c spring.cache.type=none<\/em> \ub3c4 \ub3d9\uc77c\ud55c \uae30\ub2a5\uc744 \ud568)<\/p>\n\n\n\n
    import org.springframework.boot.SpringApplication;\nimport org.springframework.boot.autoconfigure.SpringBootApplication;\nimport org.springframework.cache.annotation.EnableCaching;\n\n@SpringBootApplication\n@EnableCaching<\/strong>\npublic class CachingApplication {\n    \n    \/**\n     * @param args\n     *\/\n    public static void main(String[] args) {\n        SpringApplication.run(CachingApplication.class, args);\n    }\n}<\/code><\/pre>\n\n\n\n
    \uc704 \ucf54\ub4dc\uc5d0\uc11c @SpringBootApplication<\/em>\uc740 \ub0b4\ubd80\uc801\uc73c\ub85c @Configuration<\/em>\uc744 \ub0b4\ud3ec\ud558\uace0 \uc788\uae30 \ub54c\ubb38\uc5d0<\/strong> \uc5ec\uae30\uc5d0 @EnableCaching<\/em> annotation\uc744 \ucd94\uac00\ud558\uba74 Caching\uae30\ub2a5\uc774 \uc815\uc0c1\uc801\uc73c\ub85c \uc778\uc2dd\ud558\uace0 \ub3d9\uc791\ud558\uac8c \ub41c\ub2e4.<\/p>\n\n\n
    \n
    \"\"\/<\/figure>\n<\/div>\n\n\n
    \uc774\uc81c Spring Boot \uac1c\ubc1c\uc5d0\uc11c \uc77c\ubc18\uc801 \ud15c\ud50c\ub9bf\uc778 Controller, Repository, Model, Service \ubcc4\ub85c \uac01\uac01 \uac04\ub2e8\ud55c \uc0d8\ud50c \ucf54\ub4dc\ub97c \ucd94\uac00\ud574 \ubcf4\uae30\ub85c \ud558\uc790. \uc55e\uc5d0\uc11c\ub3c4 \uc5b8\uae09\ud588\uc9c0\ub9cc \uc774 \uae00\uc758 \uc131\uaca9\uc0c1 Spring\uc758 \uc5ec\ub7ec \uae30\ub2a5\ub4e4 \uc911 Caching \uae30\ub2a5\uc5d0 \ucd1b\uc810\uc744 \ub9de\ucd94\uc5b4 \uc124\uba85\uc744 \uc774\uc5b4\uac00\uace0\uc790 \ud55c\ub2e4. \uc0d8\ud50c Application\uc740 \ucd5c\ub300\ud55c \uac04\ub2e8\ud558\uac8c \uad6c\uc131\ud558\uba70, \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 Employee \ud14c\uc774\ube14(id, name, address)\uc744 \ud558\ub098 \ub9cc\ub4e4\uace0 JPA\ub97c \uc774\uc6a9\ud558\uc5ec \ud574\ub2f9 \ud14c\uc774\ube14\uc5d0 \uc788\ub294 \ud2b9\uc815 \ub370\uc774\ud130\ub97c \ucc3e\uc544 \ucd9c\ub825\ud558\ub294 RESTful API \ud615\ud0dc\uc774\ub2e4. \uc774 \uacfc\uc815\uc5d0\uc11c Caching\uc744 \uc5b4\ub5bb\uac8c \uc801\uc6a9\ud558\ub294\uc9c0 \uc0b4\ud3b4\ubcf4\ub3c4\ub85d \ud55c\ub2e4.<\/p>\n\n\n\n
    Model<\/h3>\n\n\n\n
    \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud14c\uc774\ube14(Employee) \ub370\uc774\ud130\uc758 DTO \ud074\ub798\uc2a4(POJO)\ub85c \uc544\ub798\uc640 \uac19\ub2e4. \uc774 \ubd80\ubd84\uc740 \uac04\ub2e8\ud558\ubbc0\ub85c \uc124\uba85\uc740 \uc0dd\ub7b5\ud55c\ub2e4.<\/p>\n\n\n\n
    package com.example.demo.model;\n\nimport java.io.Serializable;\n\nimport jakarta.persistence.Column;\nimport jakarta.persistence.Entity;\nimport jakarta.persistence.Id;\n\n@Entity\npublic class Employee implements Serializable {\n\n    private static final long serialVersionUID = 1L;\n\n    @Id\n    @Column(nullable = false)\n    private int id;\n    \n    @Column(nullable = false)\n    private String name;\n    \n    @Column(nullable = false)\n    private String address;\n    \n    \/**\n     * Default Constructor. Needed for Spring Framework when creating managed bean object\n     *\/\n    public Employee() {}\n    \n    \/**\n     * @param id\n     * @param name\n     * @param address\n     *\/\n    public Employee(int id, String name, String address) {\n        this.id = id;\n        this.name = name;\n        this.address = address;\n    }\n    \n    public int getId() {\n        return this.id;\n    }\n    \n    public void setId(int id) {\n        this.id = id;\n    }\n    \n    public String getName() {\n        return this.name;\n    }\n    \n    public void setName(String name) {\n        this.name = name;\n    }\n    \n    public String getAddress() {\n        return this.address;\n    }\n    \n    public void setAddress(String address) {\n        this.address = address;\n    }\n}<\/code><\/pre>\n\n\n\n
    Repository<\/h3>\n\n\n\n
    JpaRepository \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc0c1\uc18d\ubc1b\uc544 EmployeeRepository<\/em>\ub97c \uc815\uc758\ud55c\ub2e4. \uc774 \ubd80\ubd84\ub3c4 \uc124\uba85\uc744 \uc0dd\ub7b5\ud55c\ub2e4.<\/p>\n\n\n\n
    package com.example.demo.repository;\n\nimport org.springframework.data.jpa.repository.JpaRepository;\n\nimport com.example.demo.model.Employee;\n\npublic interface EmployeeRepository extends JpaRepository<Employee, Integer> {\n}<\/code><\/pre>\n\n\n\n
    Service<\/h3>\n\n\n\n
    Service\ub294 Controller\uac00 Client\ub85c\ubd80\ud130 \uc694\uccad\uc744 \ubc1b\uc73c\uba74(Facade) \uadf8 \uc694\uccad\uc744 \uc2e4\uc81c \ucc98\ub9ac\ud558\ub294 \ud074\ub798\uc2a4\ub85c Employees\ub77c\ub294 \uc774\ub984\uc73c\ub85c \uc815\uc758\ud55c\ub2e4. \uc774 \ud074\ub798\uc2a4\uac00 \uc815\uc758\ud558\ub294 \uba54\uc18c\ub4dc\ub2e8\uc5d0\uc11c \uc2e4\uc81c Caching\uae30\ub2a5\uc744 \uc801\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n
    package com.example.demo.service;\n\nimport java.util.concurrent.TimeUnit;\n\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.cache.annotation.CacheEvict;\nimport org.springframework.cache.annotation.CachePut;\nimport org.springframework.cache.annotation.Cacheable;\nimport org.springframework.stereotype.Service;\n\nimport com.example.demo.model.Employee;\nimport com.example.demo.repository.EmployeeRepository;\n\n\/**\n * Employees class represents database table named employee\n *\/\n@Service\npublic class Employees {\n\n    private final Logger log = LoggerFactory.getLogger(getClass());\n    \n    \/**\n     * repository will be auto-wired through constructor\n     *\/\n    private final EmployeeRepository repository;\n\n    \/**\n     * Constructor\n     * @param repository the instance will be injected through Spring DI\n     *\/\n    public Employees(EmployeeRepository repository) {\n        this.repository = repository;\n    }\n    \n    \/**\n     * \n     * @param employee\n     * @return\n     *\/\n    public Employee saveEmployee(Employee employee) {\n        log.info(\"Save the record\");\n        return repository.save(employee);\n    }\n\n    @Cacheable(cacheNames = \"employee\")\n    public Employee getEmployeeById(int id) throws InterruptedException {\n        TimeUnit.SECONDS.sleep(2); \/\/ thread sleep for 2 seconds\n        log.info(\"Scenario: 2 seconds consumed in finding an Employee by id: {}\", id);\n        return repository.findById(id).orElse(null);\n    }\n    \n    @CachePut(cacheNames = \"employee\", key = \"#employee.id\")\n    public Employee updateEmployee(Employee employee) {\n        log.info(\"Update the record with id: {}\", employee.getId());\n        return repository.save(employee);\n    }\n    \n    @CacheEvict(cacheNames = \"employee\", key = \"#id\")\n    public void deleteEmployee(int id) {\n        log.info(\"Delete the record id: {}\", id);\n        repository.deleteById(id);\n    }\n}<\/code><\/pre>\n\n\n\n
    \uc774 \ud074\ub798\uc2a4\uc758 getEmployeeById<\/em>, updateEmployee<\/em>, updateEmployee<\/em> \uba54\uc18c\uc5d0 \uac01\uac01 @Cacheable<\/em>, @CachePut<\/em>, @CacheEvict<\/em> \uc640 \uac19\uc774 annotation\uc744 \ud65c\uc6a9\ud558\uc5ec Caching\uae30\ub2a5\uc744 \uc801\uc6a9\ud558\uc600\ub2e4. \uc608\ub97c \ub4e4\uc5b4 @Cacheable<\/em>\uc774 \uc801\uc6a9\ub41c getEmployeeById()<\/em> Method\uc758 \uacbd\uc6b0, \ud30c\ub77c\ubbf8\ud130\uc778 id\ub97c \uc774\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0\uc11c \ud574\ub2f9 id\uc758 Employee\ub97c \uac80\uc0c9\ud55c \ud6c4 \uc774 \uac12\uc744 \ubc18\ud658\ud558\uba70 Cache Proxy\ub294 \uadf8 \uacb0\uacfc\ub97c Controller\ub85c \ubc18\ud658\ud558\uae30 \uc804\uc5d0 Intercept\ud558\uc5ec Redis\ub85c \uac12\uc744 Caching\ud55c\ub2e4.<\/p>\n\n\n\n
    \uc774\ud6c4\uc5d0 \ub3d9\uc77c\ud55c id\ub97c \uac00\uc9c4 \ud30c\ub77c\ubbf8\ud130 \uac12\uc774 \ub4e4\uc5b4\uc62c \uacbd\uc6b0 Cache Proxy\ub294 getEmployeeById()<\/em> Method\ub97c \ub2e4\uc2dc \uc2e4\ud589\ud558\uc9c0 \uc54a\uace0 Cache\uc5d0 \uc800\uc7a5\ub41c \uac12\uc744 \ubc14\ub85c \ubc18\ud658\ud55c\ub2e4. getEmployeeById()<\/em> Method\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uac80\uc0c9\uc5d0 2\ucd08(TimeUnit.SECONDS.sleep(2);<\/em>)\uac00 \uc18c\uc694\ub3c4\ub85d \uc2dc\ubbac\ub808\uc774\uc158\ud588\uae30 \ub54c\ubb38\uc5d0 \ucd5c\ucd08 \ud638\ucd9c\uc5d0\uc11c\ub294 Caching\ub41c \uc0c1\ud0dc\uac00 \uc544\ub2c8\ubbc0\ub85c \uc751\ub2f5 \ubc1b\uc744 \ub54c\uae4c\uc9c0 2\ucd08\uac00 \uac78\ub9ac\uc9c0\ub9cc \uc774\ud6c4 \ud638\ucd9c\ubd80\ud130\ub294 \uc774\ubbf8 Caching\ub41c \uac12\uc744 \ud65c\uc6a9\ud558\ubbc0\ub85c \uc9c0\uccb4\uc5c6\uc774 \uacb0\uacfc\ub97c \ud655\uc778\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
    Spring\uc758 Caching Abstraction\uc740 Caching\uc744 \uc120\uc5b8\ud560 \uc218 \uc788\ub3c4\ub85d \uc544\ub798\uc640 \uac19\uc740 Java Annotation\uc744 \uc81c\uacf5\ud55c\ub2e4. \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 JCache Annotatioins<\/a>\uc5d0\uc11c \ud655\uc778\uc774 \uac00\ub2a5\ud558\ub2e4.<\/p>\n\n\n\n