Idempotent Consumer \ud328\ud134: \ub3d9\uc77c \uba54\uc2dc\uc9c0 \uc911\ubcf5 \uc218\uc2e0 \uc2dc \uacb0\uacfc \uc77c\uad00\uc131 \uc720\uc9c0<\/title><\/p>\n<h1 id=\"idempotent-consumer-%ed%8c%a8%ed%84%b4-%eb%8f%99%ec%9d%bc-%eb%a9%94%ec%8b%9c%ec%a7%80-%ec%a4%91%eb%b3%b5-%ec%88%98%ec%8b%a0-%ec%8b%9c-%ea%b2%b0%ea%b3%bc-%ec%9d%bc%ea%b4%80%ec%84%b1-%ec%9c%a0%ec%a7%80-DuqrAtlHyp\">Idempotent Consumer \ud328\ud134: \ub3d9\uc77c \uba54\uc2dc\uc9c0 \uc911\ubcf5 \uc218\uc2e0 \uc2dc \uacb0\uacfc \uc77c\uad00\uc131 \uc720\uc9c0<\/h1>\n<img decoding=\"async\" src=\"https:\/\/m9js.shop\/blog\/wp-content\/uploads\/2025\/03\/idempotent-consumer-ed8ca8ed84b4-eb8f99ec9dbc-eba994ec8b9ceca780-eca491ebb3b5-ec8898ec8ba0-ec8b9c-eab2b0eab3bc-ec9dbceab480ec84b1-ec9ca0eca780.jpeg\" alt=\"Idempotent Consumer \ud328\ud134: \ub3d9\uc77c \uba54\uc2dc\uc9c0 \uc911\ubcf5 \uc218\uc2e0 \uc2dc \uacb0\uacfc \uc77c\uad00\uc131 \uc720\uc9c0\" \/><\/p>\n <\/p>\n<h2 id=\"1-idempotent-consumer-%ed%8c%a8%ed%84%b4-%ec%9d%b4%ed%95%b4-%eb%b0%8f-%ed%95%84%ec%9a%94%ec%84%b1-DuqrAtlHyp\">1. Idempotent Consumer \ud328\ud134 \uc774\ud574 \ubc0f \ud544\uc694\uc131<\/h2>\n\n Idempotent Consumer \ud328\ud134\uc740 \ubd84\uc0b0 \uc2dc\uc2a4\ud15c \ubc0f \uba54\uc2dc\uc9c0 \uc911\uc2ec \ubbf8\ub4e4\uc6e8\uc5b4 \ud658\uacbd\uc5d0\uc11c \ub3d9\uc77c\ud55c \uba54\uc2dc\uc9c0\uac00 \uc911\ubcf5\uc73c\ub85c \uc218\uc2e0\ub418\ub294 \uc0c1\ud669\uc5d0\uc11c\ub3c4 \uacb0\uacfc\uc758 \uc77c\uad00\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \uace0\uc548\ub41c \ud575\uc2ec \uc124\uacc4 \ud328\ud134\uc785\ub2c8\ub2e4. \ud604\ub300\uc758 \ub300\uaddc\ubaa8 \ubd84\uc0b0 \uc544\ud0a4\ud14d\ucc98\uc5d0\uc11c\ub294 \ub124\ud2b8\uc6cc\ud06c \uc9c0\uc5f0, \uc2dc\uc2a4\ud15c \uc7a5\uc560, \uc911\ubcf5 \uc804\uc1a1 \ub4f1 \ub2e4\uc591\ud55c \uc774\uc288\ub85c \uc778\ud574 \ub3d9\uc77c\ud55c \uba54\uc2dc\uc9c0\uac00 \uc5ec\ub7ec \ubc88 \ucc98\ub9ac\ub420 \uac00\ub2a5\uc131\uc774 \ub192\uc2b5\ub2c8\ub2e4. \uc774\ub54c, \ud574\ub2f9 \uba54\uc2dc\uc9c0\ub97c \uc911\ubcf5 \ucc98\ub9ac\ud558\ub354\ub77c\ub3c4 \uc2e4\uc81c \uacb0\uacfc\uac00 \ud55c \ubc88\ub9cc \ubc18\uc601\ub420 \uc218 \uc788\ub3c4\ub85d \ub9cc\ub4dc\ub294 \uae30\ubc95\uc774 \ubc14\ub85c Idempotent Consumer \ud328\ud134\uc785\ub2c8\ub2e4. \uc774 \ud328\ud134\uc740 \ub370\uc774\ud130 \uc77c\uad00\uc131\uc744 \uc720\uc9c0\ud558\ub294 \ub3d9\uc2dc\uc5d0 \uc2dc\uc2a4\ud15c\uc758 \uc548\uc815\uc131\uacfc \uc2e0\ub8b0\uc131\uc744 \ub192\uc774\ub294 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \uc218\ud589\ud558\uba70, \ud2b9\ud788 \uac70\ub798 \uc2dc\uc2a4\ud15c\uc774\ub098 \uae08\uc735, \uc804\uc790\uc0c1\uac70\ub798 \ub4f1\uc5d0\uc11c \ud544\uc218\uc801\uc778 \uae30\uc220\ub85c \uc790\ub9ac \uc7a1\uace0 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uba54\uc2dc\uc9c0 \uc804\uc1a1 \ub85c\uc9c1\uc774 \uc911\ubcf5\ub418\uac70\ub098 \ub124\ud2b8\uc6cc\ud06c\uc758 \ubd88\uc548\uc815\uc73c\ub85c \uc778\ud574 \uc7ac\uc2dc\ub3c4\uac00 \ubc1c\uc0dd\ud558\ub294 \uacbd\uc6b0 \uba54\uc2dc\uc9c0\uac00 \uc5ec\ub7ec \ubc88 \uc18c\ube44\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc8fc\ubb38 \ucc98\ub9ac \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ub3d9\uc77c\ud55c \uc8fc\ubb38 \uba54\uc2dc\uc9c0\uac00 \uc911\ubcf5 \uc218\uc2e0\ub420 \uacbd\uc6b0 \uace0\uac1d\uc5d0\uac8c \uc911\ubcf5 \uc8fc\ubb38\uc774 \ubc1c\uc0dd\ud558\uac70\ub098, \uc7ac\uace0\uac00 \uc798\ubabb \ucc28\uac10\ub418\ub294 \ub4f1\uc758 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc704\ud5d8\uc774 \ud07d\ub2c8\ub2e4. Idempotent Consumer \ud328\ud134\uc740 \uc774\ub7ec\ud55c \ubb38\uc81c\ub97c \uc0ac\uc804\uc5d0 \ubc29\uc9c0\ud558\uae30 \uc704\ud55c \uc124\uacc4\ub85c, \uba54\uc2dc\uc9c0\uac00 \ud55c \ubc88\ub9cc \ucd5c\uc885 \uacb0\uacfc\uc5d0 \ubc18\uc601\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc2dc\uc2a4\ud15c \uc124\uacc4 \ub2e8\uacc4\uc5d0\uc11c \uc774 \ud328\ud134\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \uad6c\ud604\ud55c\ub2e4\uba74, \uc7ac\uc2dc\ub3c4\ub098 \uc911\ubcf5 \uc804\uc1a1\uacfc \uac19\uc740 \uc608\uc678 \uc0c1\ud669\uc5d0\uc11c\ub3c4 \ub370\uc774\ud130 \ubb34\uacb0\uc131 \ubc0f \uc2dc\uc2a4\ud15c \uc548\uc815\uc131\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n Idempotency\ub77c\ub294 \uac1c\ub150\uc740 ‘\uc5ec\ub7ec \ubc88 \uc218\ud589\ud574\ub3c4 \uacb0\uacfc\uac00 \ub3d9\uc77c\ud558\ub2e4’\ub77c\ub294 \uc218\ud559\uc801 \uc815\uc758\uc5d0\uc11c \uc720\ub798\ub418\uc5c8\uc73c\uba70, \uc774\ub97c \uba54\uc2dc\uc9c0 \uc18c\ube44\uc5d0 \uc801\uc6a9\ud560 \ub54c\ub294 \uba54\uc2dc\uc9c0\uc758 \uace0\uc720 \uc2dd\ubcc4\uc790(ID) \ub610\ub294 \ud574\uc2dc\uac12 \ub4f1\uc744 \uae30\ubc18\uc73c\ub85c \uc911\ubcf5 \uc5ec\ubd80\ub97c \ud310\ub2e8\ud569\ub2c8\ub2e4. \uba54\uc2dc\uc9c0\ub97c \ucc98\ub9ac\ud558\uae30 \uc804, \uc2dc\uc2a4\ud15c\uc740 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub098 \uce90\uc2dc \uc2dc\uc2a4\ud15c\uc5d0 \uc774\ubbf8 \ud574\ub2f9 \uba54\uc2dc\uc9c0\uac00 \ucc98\ub9ac\ub418\uc5c8\ub294\uc9c0 \uc5ec\ubd80\ub97c \uae30\ub85d\ud574 \ub450\uace0 \uc774\ub97c \ucc38\uc870\ud569\ub2c8\ub2e4. \ub9cc\uc57d \ub3d9\uc77c\ud55c \uba54\uc2dc\uc9c0\uac00 \uc774\ubbf8 \ucc98\ub9ac\ub41c \uac83\uc73c\ub85c \ud655\uc778\ub41c\ub2e4\uba74, \ud6c4\uc18d \ucc98\ub9ac \ub85c\uc9c1\uc740 \uc774\ub97c \ubb34\uc2dc\ud558\uac70\ub098 \ud2b9\ubcc4\ud55c \ucc98\ub9ac\ub97c \uc218\ud589\ud558\uac8c \ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc29\uc2dd\uc740 \uba54\uc2dc\uc9c0 \ucc98\ub9ac\uc758 \uc21c\ucc28\uc131\uacfc \uc548\uc815\uc131\uc744 \ub3d9\uc2dc\uc5d0 \ubcf4\uc7a5\ud560 \uc218 \uc788\ub294 \ud575\uc2ec \uc804\ub7b5\uc73c\ub85c \ud65c\uc6a9\ub418\uba70, \ud2b9\ud788 \ubd84\uc0b0 \ud2b8\ub79c\uc7ad\uc158 \ubc0f \ube44\ub3d9\uae30 \ucc98\ub9ac \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc720\uc6a9\ud558\uac8c \uc801\uc6a9\ub429\ub2c8\ub2e4.\n <\/p>\n\n \uc2e4\uc81c \uc0ac\ub840\ub97c \uc0b4\ud3b4\ubcf4\uba74, \ub300\ud45c\uc801\uc778 \uae08\uc735 \uacb0\uc81c \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \uc911\ubcf5 \uacb0\uc81c \uc624\ub958\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 Idempotent Consumer \ud328\ud134\uc744 \uc801\uc6a9\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uacb0\uc81c \uc694\uccad\uc774 \ub124\ud2b8\uc6cc\ud06c \ubb38\uc81c \ub4f1\uc73c\ub85c \uc778\ud574 \uc5ec\ub7ec \ubc88 \uc804\ub2ec\ub418\ub354\ub77c\ub3c4, \uc2dc\uc2a4\ud15c\uc740 \uccab \ubc88\uc9f8 \uc694\uccad\uc5d0 \ub300\ud574\uc11c\ub9cc \uc2e4\uc81c \uacb0\uc81c \ucc98\ub9ac\ub97c \uc9c4\ud589\ud558\uace0 \uc774\ud6c4 \ub3d9\uc77c\ud55c \uc694\uccad\uc740 \ubb34\uc2dc\ud569\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \uac01 \uacb0\uc81c \uba54\uc2dc\uc9c0\uc5d0\ub294 \uace0\uc720\ud55c \uacb0\uc81c \uc2dd\ubcc4\uc790\uac00 \ud3ec\ud568\ub418\uba70, \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0\uc11c\ub294 \ud574\ub2f9 ID\ub97c \uae30\uc900\uc73c\ub85c \uc911\ubcf5 \uac80\uc99d\uc744 \uc218\ud589\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc804\ub7b5\uc740 \uace0\uac1d \uc2e0\ub8b0\ub3c4\ub97c \ub192\uc774\uace0, \uc7ac\ubb34 \ubd80\uc815\ud569 \ubb38\uc81c\ub97c \uc608\ubc29\ud558\ub294 \ub370 \ud06c\uac8c \uae30\uc5ec\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n \ub610\ud55c, \uc774 \ud328\ud134\uc740 \ub85c\uadf8 \uae30\ubc18 \ub370\uc774\ud130 \ubcf5\uad6c \ubc0f \uac10\uc0ac(audit) \uae30\ub2a5\uacfc\ub3c4 \ubc00\uc811\ud55c \uad00\ub828\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc2dc\uc2a4\ud15c \ub0b4\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \ubaa8\ub4e0 \uba54\uc2dc\uc9c0 \ucc98\ub9ac \uae30\ub85d\uc744 \ub0a8\uae30\uace0, \uc774\ub97c \ud1b5\ud574 \uc5b4\ub5a4 \uba54\uc2dc\uc9c0\uac00 \uc2e4\uc81c\ub85c \ucc98\ub9ac\ub418\uc5c8\ub294\uc9c0 \ud655\uc778\ud560 \uc218 \uc788\ub2e4\uba74, \uc0ac\uace0 \ubc1c\uc0dd \uc2dc \ube60\ub978 \uc6d0\uc778 \ubd84\uc11d\uacfc \ubcf5\uad6c\uac00 \uac00\ub2a5\ud574\uc9d1\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc804\uc790\uc0c1\uac70\ub798 \ud50c\ub7ab\ud3fc\uc5d0\uc11c\ub294 \uc8fc\ubb38 \ucc98\ub9ac \uc774\ub825\uc744 \uae30\ub85d\ud558\uc5ec, \uc911\ubcf5 \uc8fc\ubb38\uc774\ub098 \ucde8\uc18c \uc694\uccad \uc2dc \uc774\ub97c \uc815\ud655\ud788 \ucd94\uc801\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uac10\uc0ac \uae30\ub85d\uc740 \uaddc\uc81c \uc900\uc218 \uce21\uba74\uc5d0\uc11c\ub3c4 \ud070 \uc758\ubbf8\ub97c \uac00\uc9c0\uba70, \ub370\uc774\ud130 \ubcf4\uc548 \ubc0f \ubb34\uacb0\uc131 \ud655\ubcf4\uc5d0 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.\n <\/p>\n\n \ud604\ub300 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \uc544\ud0a4\ud14d\ucc98\ub97c \ub3c4\uc785\ud558\uba74\uc11c \uc11c\ube44\uc2a4 \uac04 \ub3c5\ub9bd\uc131\uc774 \uac15\ud654\ub418\uc5c8\uc73c\ub098, \ub3d9\uc2dc\uc5d0 \uc11c\ube44\uc2a4 \uac04 \uba54\uc2dc\uc9c0 \uc804\ub2ec \uc2dc \uc911\ubcf5 \uc804\uc1a1 \ubb38\uc81c\ub294 \ub354\uc6b1 \ube48\ubc88\ud558\uac8c \ubc1c\uc0dd\ud558\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud658\uacbd\uc5d0\uc11c\ub294 \uba54\uc2dc\uc9c0 \ube0c\ub85c\ucee4\ub098 \uc774\ubca4\ud2b8 \ubc84\uc2a4 \ub4f1 \uc911\uc559 \uc9d1\uc911\ud615 \uba54\uc2dc\uc9d5 \uc778\ud504\ub77c \uc678\uc5d0\ub3c4, \uac01 \uc11c\ube44\uc2a4\uac00 \uc790\uccb4\uc801\uc73c\ub85c \uc911\ubcf5 \uccb4\ud06c\ub97c \uc218\ud589\ud560 \uc218 \uc788\ub294 \uba54\ucee4\ub2c8\uc998\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. Idempotent Consumer \ud328\ud134\uc740 \uc774\ub7ec\ud55c \uc694\uad6c\uc5d0 \ubd80\uc751\ud558\ub294 \ub300\ud45c\uc801\uc778 \ubc29\ubc95\uc73c\ub85c, \uac01 \uc11c\ube44\uc2a4\uac00 \ub3c5\ub9bd\uc801\uc73c\ub85c \uc911\ubcf5 \uac80\uc99d \ub85c\uc9c1\uc744 \uad6c\ud604\ud560 \uc218 \uc788\uac8c \ud574\uc8fc\uba70, \uc2dc\uc2a4\ud15c \uc804\uccb4\uc758 \uc2e0\ub8b0\ub3c4\ub97c \ub192\uc774\ub294 \ub370 \uacb0\uc815\uc801\uc778 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.\n <\/p>\n\n \ud55c\ud3b8, \uc774 \ud328\ud134\uc744 \uad6c\ud604\ud558\ub294 \ubc29\uc2dd\uc740 \ub2e8\uc21c\ud55c \uc911\ubcf5 \uccb4\ud06c\ub97c \ub118\uc5b4\uc11c \ubcf5\uc7a1\ud55c \ud2b8\ub79c\uc7ad\uc158 \uad00\ub9ac \ubc0f \ubd84\uc0b0 \ub77d(distributed lock)\uc744 \ud65c\uc6a9\ud558\ub294 \uacbd\uc6b0\ub3c4 \ub9ce\uc2b5\ub2c8\ub2e4. \ud2b9\ud788, \uace0\uc131\ub2a5\uc744 \uc694\uad6c\ud558\ub294 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud2b8\ub79c\uc7ad\uc158\uc744 \ud1b5\ud55c \uc911\ubcf5 \uac80\uc99d \ubc29\uc2dd\uc774 \uc131\ub2a5 \ubcd1\ubaa9\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c, \uce90\uc2dc \uc2dc\uc2a4\ud15c\uc774\ub098 NoSQL \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \ud65c\uc6a9\ud55c \ube60\ub978 \uc911\ubcf5 \uccb4\ud06c \uae30\ubc95\uc774 \uc8fc\ubaa9\ubc1b\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uae30\uc220\uc801 \uc120\ud0dd\uc740 \uc2dc\uc2a4\ud15c\uc758 \ud2b9\uc131\uacfc \uc694\uad6c\uc0ac\ud56d\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c0\uba70, \uc774\uc5d0 \ub300\ud55c \uc2ec\ub3c4 \uc788\ub294 \ubd84\uc11d\uacfc \uc2e4\uc81c \uc0ac\ub840 \uc5f0\uad6c\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.\n <\/p>\n\n \ub9c8\uc9c0\ub9c9\uc73c\ub85c, Idempotent Consumer \ud328\ud134\uc740 \ub2e8\uc21c\ud788 \uc911\ubcf5 \uba54\uc2dc\uc9c0\ub97c \ucc98\ub9ac\ud558\ub294 \ubc29\ubc95\uc744 \ub118\uc5b4\uc11c, \uc804\uccb4 \uc2dc\uc2a4\ud15c\uc758 \ubcf5\uc6d0\ub825\uacfc \ud68c\ubcf5\ub825\uc744 \ub192\uc774\ub294 \uc911\uc694\ud55c \uc218\ub2e8\uc785\ub2c8\ub2e4. \uc7ac\uc2dc\ub3c4 \ub85c\uc9c1, \ub124\ud2b8\uc6cc\ud06c \uc7a5\uc560 \ubcf5\uad6c, \uc7a5\uc560 \uadf9\ubcf5 \uba54\ucee4\ub2c8\uc998 \ub4f1\uc774 \ud1b5\ud569\ub418\uc5b4 \uc791\ub3d9\ud560 \ub54c, \uac01 \ucef4\ud3ec\ub10c\ud2b8 \uac04\uc758 \uc751\uc9d1\ub3c4\uc640 \uacb0\ud569\ub3c4\ub97c \ub0ae\ucd94\uba74\uc11c\ub3c4 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2e4\uc81c \uc0b0\uc5c5 \ud604\uc7a5\uc5d0\uc11c \uc774 \ud328\ud134\uc744 \uc131\uacf5\uc801\uc73c\ub85c \ub3c4\uc785\ud55c \uc0ac\ub840\ub4e4\uc740, \ubb38\uc81c \ubc1c\uc0dd \uc2dc \ube60\ub978 \ubcf5\uad6c\uc640 \uc11c\ube44\uc2a4 \uc5f0\uc18d\uc131 \ubcf4\uc7a5\uc5d0 \ud070 \uae30\uc5ec\ub97c \ud558\uc600\uc73c\uba70, \uc774\ub294 \ud604\ub300 IT \uc778\ud504\ub77c \uad6c\ucd95\uc5d0 \uc788\uc5b4 \uc5c6\uc5b4\uc11c\ub294 \uc548 \ub420 \ud575\uc2ec \uc694\uc18c\ub85c \uc790\ub9ac\ub9e4\uae40\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n \uc704\uc640 \uac19\uc774 Idempotent Consumer \ud328\ud134\uc740 \ub2e8\uc21c\ud55c \uac1c\ub150 \uc774\uc0c1\uc758 \uc758\ubbf8\ub97c \uc9c0\ub2c8\uba70, \uc2dc\uc2a4\ud15c \ub0b4 \ub370\uc774\ud130 \ubb34\uacb0\uc131 \ubcf4\uc7a5, \uc7a5\uc560 \ud68c\ubcf5\ub825 \uac15\ud654, \uadf8\ub9ac\uace0 \ubd84\uc0b0 \ud658\uacbd\uc5d0\uc11c\uc758 \uc548\uc815\uc801\uc778 \uba54\uc2dc\uc9c0 \ucc98\ub9ac\ub97c \uc704\ud55c \uae30\ubc18 \uae30\uc220\ub85c \uc778\uc815\ubc1b\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ud328\ud134\uc744 \ud1b5\ud574 \uc911\ubcf5 \uba54\uc2dc\uc9c0 \ucc98\ub9ac \ubb38\uc81c\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \ud574\uacb0\ud558\uace0, \ub098\uc544\uac00 \uc804\uccb4 \uc2dc\uc2a4\ud15c\uc758 \uc77c\uad00\uc131\uacfc \uc2e0\ub8b0\uc131\uc744 \ub192\uc77c \uc218 \uc788\uc74c\uc744 \uc774\ud574\ud558\ub294 \uac83\uc740, \ud604\ub300 IT \uc2dc\uc2a4\ud15c \uc124\uacc4\uc5d0 \uc788\uc5b4\uc11c \ud544\uc218\uc801\uc778 \uc694\uc18c\uc785\ub2c8\ub2e4. \ud5a5\ud6c4 \ub354\uc6b1 \ubcf5\uc7a1\ud574\uc9c0\ub294 \ubd84\uc0b0 \uc2dc\uc2a4\ud15c \ud658\uacbd\uc5d0\uc11c \uc774 \ud328\ud134\uc758 \uc911\uc694\uc131\uc740 \ub354\uc6b1 \ub300\ub450\ub420 \uac83\uc73c\ub85c \uc608\uc0c1\ub418\uba70, \uad00\ub828 \uae30\uc220 \uc5f0\uad6c\uc640 \uad6c\ud604 \uae30\ubc95\uc740 \uacc4\uc18d\ud574\uc11c \ubc1c\uc804\ud560 \ud544\uc694\uac00 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n <\/p>\n<h2 id=\"2-%ec%8b%9c%ec%8a%a4%ed%85%9c-%ec%9a%94%ea%b5%ac%ec%82%ac%ed%95%ad-%eb%b0%8f-%ea%b5%ac%ed%98%84-%eb%b0%a9%eb%b2%95%eb%a1%a0-DuqrAtlHyp\">2. \uc2dc\uc2a4\ud15c \uc694\uad6c\uc0ac\ud56d \ubc0f \uad6c\ud604 \ubc29\ubc95\ub860<\/h2>\n\n Idempotent Consumer \ud328\ud134\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \uad6c\ud604\ud558\uae30 \uc704\ud574\uc11c\ub294 \uba3c\uc800 \uc2dc\uc2a4\ud15c\uc758 \uc694\uad6c\uc0ac\ud56d\uc744 \uc815\ud655\ud558\uac8c \ud30c\uc545\ud574\uc57c \ud569\ub2c8\ub2e4. \ubd84\uc0b0 \uc2dc\uc2a4\ud15c \ub0b4\uc5d0\uc11c \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \uc911\ubcf5 \uba54\uc2dc\uc9c0 \uc804\uc1a1\uc758 \ud328\ud134, \ub124\ud2b8\uc6cc\ud06c \uc0c1\ud0dc, \uba54\uc2dc\uc9c0 \uc804\ub2ec \ubcf4\uc99d \uc218\uc900(At-most-once, At-least-once, Exactly-once) \ub4f1 \uc5ec\ub7ec \uac00\uc9c0 \ubcc0\uc218\ub4e4\uc744 \uba74\ubc00\ud558\uac8c \ubd84\uc11d\ud558\uc5ec, \uc5b4\ub5a4 \uc2dc\ub098\ub9ac\uc624\uc5d0\uc11c \uc911\ubcf5 \ucc98\ub9ac\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294\uc9c0\ub97c \uba85\ud655\ud788 \ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubd84\uc11d\uc740 \uc124\uacc4 \ucd08\uae30 \ub2e8\uacc4\ubd80\ud130 \uc774\ub8e8\uc5b4\uc838\uc57c \ud558\uba70, \uc774\ud6c4 \uad6c\ud604 \ubc0f \uc6b4\uc601 \ub2e8\uacc4\uc5d0\uc11c\ub3c4 \uc9c0\uc18d\uc801\uc73c\ub85c \ubaa8\ub2c8\ud130\ub9c1\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.\n <\/p>\n\n \uc2dc\uc2a4\ud15c \uc694\uad6c\uc0ac\ud56d \ubd84\uc11d \uc2dc \uac00\uc7a5 \uc911\uc694\ud55c \ud3ec\uc778\ud2b8\ub294 \uba54\uc2dc\uc9c0\uc758 \uace0\uc720 \uc2dd\ubcc4\uc790 \uad00\ub9ac\uc785\ub2c8\ub2e4. \uac01 \uba54\uc2dc\uc9c0\uc5d0 \ub300\ud55c \uace0\uc720 \uc2dd\ubcc4\uc790\ub97c \ubd80\uc5ec\ud558\uace0, \uc774\ub97c \ud1b5\ud574 \uc911\ubcf5 \uc5ec\ubd80\ub97c \ud310\ub2e8\ud558\ub294 \ub85c\uc9c1\uc744 \uc138\ubc00\ud558\uac8c \uc124\uacc4\ud574\uc57c \ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc8fc\ubb38 \ucc98\ub9ac \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \uc8fc\ubb38\ubc88\ud638, \uc0ac\uc6a9\uc790 ID, \ud0c0\uc784\uc2a4\ud0ec\ud504 \ub4f1\uc744 \uc870\ud569\ud558\uc5ec \uace0\uc720\ud55c \uc8fc\ubb38 \uc2dd\ubcc4\uc790\ub97c \uc0dd\uc131\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub97c \ud1b5\ud574 \ub3d9\uc77c \uc8fc\ubb38\uc774 \uc911\ubcf5 \ucc98\ub9ac\ub418\uc9c0 \uc54a\ub3c4\ub85d \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \uba54\uc2dc\uc9c0 \uc800\uc7a5\uc18c\ub098 \uce90\uc2dc \uc2dc\uc2a4\ud15c\uc758 \uc120\ud0dd \uc5ed\uc2dc \uc911\uc694\ud55c \uc694\uc18c\ub85c, \ube60\ub978 \uc870\ud68c\uc640 \ud2b8\ub79c\uc7ad\uc158 \ucc98\ub9ac\uac00 \uac00\ub2a5\ud55c \uc2dc\uc2a4\ud15c\uc744 \uc120\ud0dd\ud558\ub294 \uac83\uc774 \uc694\uad6c\ub429\ub2c8\ub2e4.\n <\/p>\n\n \uad6c\ud604 \ubc29\ubc95\ub860\uc5d0 \uc788\uc5b4\uc11c\ub3c4 \uc5ec\ub7ec \uac00\uc9c0 \uc811\uadfc \ubc29\uc2dd\uc774 \uc874\uc7ac\ud569\ub2c8\ub2e4. \uccab\uc9f8, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud2b8\ub79c\uc7ad\uc158\uc744 \ud65c\uc6a9\ud558\ub294 \ubc29\ubc95\uc740 \uac00\uc7a5 \uc9c1\uad00\uc801\uc774\uba70 \uc548\uc815\uc131\uc774 \ub192\uc740 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uba54\uc2dc\uc9c0 \ucc98\ub9ac \uc2dc \ud574\ub2f9 \uba54\uc2dc\uc9c0\uc758 ID\ub97c \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud14c\uc774\ube14\uc5d0 \uae30\ub85d\ud558\uace0, \uc774\ud6c4 \ub3d9\uc77c\ud55c \uba54\uc2dc\uc9c0 \ubc1c\uc0dd \uc2dc \uc774\ub97c \uc870\ud68c\ud558\uc5ec \uc911\ubcf5 \ucc98\ub9ac\ub97c \ubc29\uc9c0\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc774 \ubc29\ubc95\uc740 \ud2b8\ub79c\uc7ad\uc158 \ucc98\ub9ac\ub85c \uc778\ud55c \uc131\ub2a5 \uc800\ud558\ub97c \uc6b0\ub824\ud574\uc57c \ud558\uba70, \ud2b9\ud788 \ub192\uc740 \ucc98\ub9ac\ub7c9\uc744 \uc694\uad6c\ud558\ub294 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \ub2e4\ub978 \ub300\uc548\uc774 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n \ub458\uc9f8, \uce90\uc2dc \uc2dc\uc2a4\ud15c\uacfc \uc870\ud569\ud55c \uad6c\ud604 \ubc29\uc2dd\uc740 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \ube44\ud574 \ube60\ub978 \uc870\ud68c \uc18d\ub3c4\ub97c \ubcf4\uc7a5\ud560 \uc218 \uc788\ub2e4\ub294 \uc810\uc5d0\uc11c \ub9e4\ub825\uc801\uc785\ub2c8\ub2e4. Redis, Memcached\uc640 \uac19\uc740 \uc778\uba54\ubaa8\ub9ac \uce90\uc2dc\ub97c \ud65c\uc6a9\ud558\uba74 \uba54\uc2dc\uc9c0 ID \uccb4\ud06c\ub97c \ub9e4\uc6b0 \ube60\ub974\uac8c \uc218\ud589\ud560 \uc218 \uc788\uace0, \uc774\ub97c \ud1b5\ud574 \uc804\uccb4 \ucc98\ub9ac \ud750\ub984\uc758 \uc131\ub2a5 \uc800\ud558\ub97c \ucd5c\uc18c\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uacbd\uc6b0, \uce90\uc2dc \ub370\uc774\ud130\uc758 \ub9cc\ub8cc \uc815\ucc45\uc774\ub098 \ub3d9\uae30\ud654 \ubb38\uc81c, \uce90\uc2dc \uc77c\uad00\uc131 \ubb38\uc81c \ub4f1\uc744 \ucca0\uc800\ud558\uac8c \uad00\ub9ac\ud574\uc57c \ud558\ubbc0\ub85c \uc2dc\uc2a4\ud15c \uc124\uacc4\uc5d0 \ub300\ud55c \uae4a\uc740 \uc774\ud574\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.\n <\/p>\n\n \uc14b\uc9f8, \ubd84\uc0b0 \ub77d(distributed lock)\uc744 \ud65c\uc6a9\ud558\ub294 \ubc29\ubc95\uc740 \ubcf5\uc218\uc758 \uc11c\ube44\uc2a4 \uc778\uc2a4\ud134\uc2a4\uac00 \ub3d9\uc2dc\uc5d0 \uac19\uc740 \uba54\uc2dc\uc9c0\ub97c \ucc98\ub9ac\ud558\ub294 \uacbd\uc6b0\ub97c \ubc29\uc9c0\ud558\ub294 \ub370 \ud6a8\uacfc\uc801\uc785\ub2c8\ub2e4. ZooKeeper, etcd, \ub610\ub294 Redis \uae30\ubc18\uc758 \ubd84\uc0b0 \ub77d \uad6c\ud604\uccb4\ub97c \uc0ac\uc6a9\ud558\uc5ec, \uba54\uc2dc\uc9c0 \ucc98\ub9ac \uc2dc \uc7a0\uae08 \uba54\ucee4\ub2c8\uc998\uc744 \ub3c4\uc785\ud558\uba74 \uc911\ubcf5 \uc18c\ube44 \ubb38\uc81c\ub97c \uadfc\ubcf8\uc801\uc73c\ub85c \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ubc29\ubc95\uc740 \ub77d \ud68d\ub4dd \ubc0f \ud574\uc81c \uc2dc \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \uc131\ub2a5 \uc774\uc288\uc640 \ub370\ub4dc\ub77d(deadlock) \ub4f1\uc758 \ubb38\uc81c\uc5d0 \ub300\ube44\ud55c \uc2e0\uc911\ud55c \uc124\uacc4\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.\n <\/p>\n\n \uc2e4\uc81c \uad6c\ud604 \uc0ac\ub840\ub97c \uc0b4\ud3b4\ubcf4\uba74, \ucd5c\uadfc\uc758 \uae08\uc735 IT \uc2dc\uc2a4\ud15c\uacfc \uc804\uc790\uc0c1\uac70\ub798 \ud50c\ub7ab\ud3fc\uc5d0\uc11c\ub294 \uc8fc\ub85c \uce90\uc2dc \uc2dc\uc2a4\ud15c\uacfc \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud2b8\ub79c\uc7ad\uc158\uc744 \ud63c\ud569\ud55c \ubc29\uc2dd\uc73c\ub85c Idempotent Consumer \ud328\ud134\uc744 \uad6c\ud604\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc8fc\ubb38 \ucc98\ub9ac \ub85c\uc9c1\uc5d0\uc11c\ub294 \uc8fc\ubb38 ID\ub97c Redis \uce90\uc2dc\uc5d0 \uc800\uc7a5\ud558\uace0, \ub3d9\uc2dc\uc5d0 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0\ub3c4 \uae30\ub85d\ud558\uc5ec \ub450 \uc2dc\uc2a4\ud15c \uac04\uc758 \uc0c1\ud638 \ubcf4\uc644\uc801 \uc5ed\ud560\uc744 \uc218\ud589\ud558\ub3c4\ub85d \uc124\uacc4\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ube60\ub978 \uc911\ubcf5 \uccb4\ud06c\uc640 \uc548\uc815\uc801\uc778 \ub370\uc774\ud130 \uc800\uc7a5\uc744 \ub3d9\uc2dc\uc5d0 \ub2ec\uc131\ud560 \uc218 \uc788\uc73c\uba70, \uc2dc\uc2a4\ud15c \uc7a5\uc560 \uc2dc\uc5d0\ub3c4 \ubcf5\uad6c\uac00 \uc6a9\uc774\ud55c \uad6c\uc870\ub97c \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n \uc544\ub798\ub294 Python\uc744 \uae30\ubc18\uc73c\ub85c \ud55c \uac04\ub2e8\ud55c Idempotent Consumer \uad6c\ud604 \ucf54\ub4dc \uc608\uc81c\uc785\ub2c8\ub2e4. \uc774 \uc608\uc81c\ub294 \uba54\uc2dc\uc9c0 \uace0\uc720 ID\ub97c \uae30\uc900\uc73c\ub85c Redis \uce90\uc2dc\uc5d0 \uc911\ubcf5 \uc5ec\ubd80\ub97c \ud655\uc778\ud558\uace0, \uc911\ubcf5\uc774 \uc544\ub2cc \uacbd\uc6b0\uc5d0\ub9cc \uc2e4\uc81c \ucc98\ub9ac \ub85c\uc9c1\uc744 \uc218\ud589\ud558\ub294 \ubc29\uc2dd\uc73c\ub85c \uad6c\ud604\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n<pre><code>\nimport redis\nimport json\nimport time\n\n# Redis \ud074\ub77c\uc774\uc5b8\ud2b8 \ucd08\uae30\ud654\nredis_client = redis.StrictRedis(host='localhost', port=6379, db=0)\n\ndef process_message(message):\n # \uba54\uc2dc\uc9c0\uc5d0\uc11c \uace0\uc720 ID \ucd94\ucd9c (\uc608: \uc8fc\ubb38 \ubc88\ud638)\n message_id = message.get('order_id')\n # \uce90\uc2dc\uc5d0\uc11c \uba54\uc2dc\uc9c0 ID\uac00 \uc874\uc7ac\ud558\ub294\uc9c0 \ud655\uc778\n if redis_client.exists(message_id):\n print(\"\uc911\ubcf5 \uba54\uc2dc\uc9c0 \ubc1c\uacac: \", message_id)\n return False\n else:\n # \uba54\uc2dc\uc9c0 \ucc98\ub9ac \ub85c\uc9c1 \uc608\uc2dc\n print(\"\uba54\uc2dc\uc9c0 \ucc98\ub9ac \uc911: \", message)\n # \ucc98\ub9ac \uc644\ub8cc \ud6c4 \uce90\uc2dc\uc5d0 \uba54\uc2dc\uc9c0 ID \uae30\ub85d (\uc720\ud6a8\uae30\uac04 60\ucd08 \uc124\uc815)\n redis_client.set(message_id, json.dumps(message), ex=60)\n # \uc2e4\uc81c \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1 \uc218\ud589\n time.sleep(1)\n print(\"\ucc98\ub9ac \uc644\ub8cc: \", message_id)\n return True\n\n# \uc0d8\ud50c \uba54\uc2dc\uc9c0 \ucc98\ub9ac\nif __name__ == '__main__':\n sample_message = {'order_id': 'ORD123456', 'amount': 10000, 'timestamp': time.time()}\n process_message(sample_message)\n <\/code><\/pre>\n<\/p>\n\n \uc704 \ucf54\ub4dc \uc608\uc81c\ub294 Idempotent Consumer \ud328\ud134\uc758 \uae30\ubcf8\uc801\uc778 \uad6c\ud604 \ubc29\uc2dd\uc744 \ubcf4\uc5ec\uc8fc\uba70, \uc2e4\uc2dc\uac04 \ub370\uc774\ud130 \ucc98\ub9ac \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc911\ubcf5 \ucc98\ub9ac\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud55c \ud55c \uac00\uc9c0 \uc0ac\ub840\ub85c \ud65c\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2e4\uc81c \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \ubd84\uc0b0 \ud658\uacbd\uc5d0 \ub9de\ucd94\uc5b4 \uce90\uc2dc \ud074\ub7ec\uc2a4\ud130 \uad6c\uc131, \uba54\uc2dc\uc9c0 \ube0c\ub85c\ucee4\uc640\uc758 \uc5f0\ub3d9, \ud2b8\ub79c\uc7ad\uc158 \uad00\ub9ac \ub4f1 \ucd94\uac00\uc801\uc778 \uace0\ub824 \uc0ac\ud56d\uc774 \ud544\uc694\ud558\uc9c0\ub9cc, \uae30\ubcf8 \uac1c\ub150\uc740 \uc774\uc640 \uac19\uc774 \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n \ub9c8\uc9c0\ub9c9\uc73c\ub85c, \uc2dc\uc2a4\ud15c \uc694\uad6c\uc0ac\ud56d\uc744 \ucda9\uc871\ud558\ub294 \uad6c\ud604 \ubc29\ubc95\ub860\uc744 \uc120\ud0dd\ud560 \ub54c\ub294 \uc131\ub2a5, \ud655\uc7a5\uc131, \uc7a5\uc560 \ubcf5\uad6c \uc6a9\uc774\uc131 \ub4f1\uc744 \uc885\ud569\uc801\uc73c\ub85c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \uac01 \ubc29\ubc95\uc758 \uc7a5\ub2e8\uc810\uc744 \uba85\ud655\ud788 \ubd84\uc11d\ud55c \ud6c4, \uc2dc\uc2a4\ud15c\uc758 \ud2b9\uc131\uc5d0 \ub9de\ub294 \ucd5c\uc801\uc758 \uc870\ud569\uc744 \ucc3e\uc544\ub0b4\ub294 \uac83\uc774 \uc131\uacf5\uc801\uc778 Idempotent Consumer \ud328\ud134 \uad6c\ud604\uc758 \uc5f4\uc1e0\ub77c\uace0 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uae30\uc220 \uac80\ud1a0 \ubc0f \ud30c\uc77c\ub7ff \ud504\ub85c\uc81d\ud2b8\ub97c \ud1b5\ud574 \uc0ac\uc804\uc5d0 \ucda9\ubd84\ud55c \ud14c\uc2a4\ud2b8\ub97c \uac70\uce5c \ud6c4 \ubcf8\uaca9\uc801\uc778 \uc11c\ube44\uc2a4\uc5d0 \ub3c4\uc785\ud558\ub294 \uac83\uc774 \ubc14\ub78c\uc9c1\ud569\ub2c8\ub2e4.\n <\/p>\n\n \ub610\ud55c \uc774\ub7ec\ud55c \uad6c\ud604 \uc804\ub7b5\uc740 \ub2e8\uc21c\ud788 \uc911\ubcf5 \uba54\uc2dc\uc9c0\ub97c \ucc98\ub9ac\ud558\ub294 \uae30\uc220\uc801 \ubb38\uc81c\ubfd0\ub9cc \uc544\ub2c8\ub77c, \uc0ac\uc6a9\uc790 \uacbd\ud5d8 \uac1c\uc120, \uc6b4\uc601 \ud6a8\uc728\uc131 \uc99d\ub300, \uadf8\ub9ac\uace0 \ube44\uc6a9 \uc808\uac10 \uce21\uba74\uc5d0\uc11c\ub3c4 \ud070 \ud6a8\uacfc\ub97c \ubc1c\ud718\ud569\ub2c8\ub2e4. \ub9ce\uc740 \uae30\uc5c5\ub4e4\uc774 \uc774 \ud328\ud134\uc744 \ub3c4\uc785\ud558\uba74\uc11c \uc911\ubcf5 \ucc98\ub9ac\ub85c \uc778\ud55c \ubb38\uc81c\ub97c \ud06c\uac8c \uacbd\uac10\uc2dc\ucf30\uc73c\uba70, \uadf8 \uacb0\uacfc \uace0\uac1d \ub9cc\uc871\ub3c4\uc640 \uc7ac\ubb34 \uc131\uacfc \ubaa8\ub450\uc5d0\uc11c \uae0d\uc815\uc801\uc778 \ubcc0\ud654\ub97c \uacbd\ud5d8\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n <\/p>\n<h2 id=\"3-%ec%8b%a4%ec%8b%9c%ea%b0%84-%ec%82%ac%eb%a1%80-%ec%97%b0%ea%b5%ac%ec%99%80-%ed%99%9c%ec%9a%a9-%ec%a0%84%eb%9e%b5-DuqrAtlHyp\">3. \uc2e4\uc2dc\uac04 \uc0ac\ub840 \uc5f0\uad6c\uc640 \ud65c\uc6a9 \uc804\ub7b5<\/h2>\n\n Idempotent Consumer \ud328\ud134\uc740 \ub2e4\uc591\ud55c \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c \ucc44\ud0dd\ub418\uc5b4 \uc654\uc73c\uba70, \uc774\ub97c \ud1b5\ud55c \uc911\ubcf5 \uba54\uc2dc\uc9c0 \ucc98\ub9ac\ub97c \uad00\ub9ac\ud55c \uc0ac\ub840\ub4e4\uc774 \ub2e4\uc218 \ubcf4\uace0\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc139\uc158\uc5d0\uc11c\ub294 \uae08\uc735, \uc804\uc790\uc0c1\uac70\ub798, \ubb3c\ub958, IoT \ub4f1 \uc5ec\ub7ec \ubd84\uc57c\uc5d0\uc11c \uc2e4\uc2dc\uac04\uc73c\ub85c \uc801\uc6a9\ub41c \uc0ac\ub840 \uc5f0\uad6c\ub97c \ud1b5\ud574 Idempotent Consumer \ud328\ud134\uc758 \ud6a8\uacfc\uc640 \ud65c\uc6a9 \uc804\ub7b5\uc744 \uba74\ubc00\ud788 \uc0b4\ud3b4\ubcf4\uace0\uc790 \ud569\ub2c8\ub2e4. \uac01 \uc0b0\uc5c5\ubcc4\ub85c \uc801\uc6a9\ub41c \uc0ac\ub840\ub294 \ud574\ub2f9 \uc2dc\uc2a4\ud15c\uc774 \uc9c1\uba74\ud55c \ubb38\uc81c\uc640 \ud574\uacb0 \ubc29\uc2dd, \uadf8\ub9ac\uace0 \uacb0\uacfc\uc801\uc73c\ub85c \uc5bb\uc740 \uc774\uc810\uc744 \uad6c\uccb4\uc801\uc73c\ub85c \ubcf4\uc5ec\uc8fc\uace0 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n \uae08\uc735 \uc0b0\uc5c5\uc5d0\uc11c\ub294 \uac70\ub798 \ucc98\ub9ac \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ub3d9\uc77c\ud55c \uacb0\uc81c \uc694\uccad\uc774 \uc911\ubcf5\ub418\uc5b4 \ubc1c\uc0dd\ud558\ub294 \ubb38\uc81c\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 Idempotent Consumer \ud328\ud134\uc774 \ud544\uc218\uc801\uc73c\ub85c \ub3c4\uc785\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud55c \uae00\ub85c\ubc8c \uae08\uc735 \uae30\uad00\uc758 \uacbd\uc6b0, \ub124\ud2b8\uc6cc\ud06c \uc7a5\uc560\ub85c \uc778\ud574 \ub3d9\uc77c\ud55c \uacb0\uc81c \uc694\uccad\uc774 \ub2e4\uc218 \uc7ac\uc804\uc1a1\ub418\ub294 \uc0c1\ud669\uc5d0\uc11c, \uac01 \uacb0\uc81c \uba54\uc2dc\uc9c0\uc5d0 \uace0\uc720\ud55c \uac70\ub798 \uc2dd\ubcc4\uc790\ub97c \ubd80\uc5ec\ud558\uace0 \uc774\ub97c \uae30\ubc18\uc73c\ub85c \uc911\ubcf5 \uac80\uc99d \ub85c\uc9c1\uc744 \uad6c\ud604\ud558\uc600\uc2b5\ub2c8\ub2e4. \uadf8 \uacb0\uacfc, \uc911\ubcf5 \uacb0\uc81c \ubc1c\uc0dd\ub960\uc774 90% \uc774\uc0c1 \uac10\uc18c\ud558\uc600\uc73c\uba70, \uc2ec\uac01\ud55c \uc7ac\ubb34\uc801 \uc190\uc2e4\uc744 \uc608\ubc29\ud560 \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uacbd\ud5d8\uc740 \ub2e4\ub978 \uae08\uc735 \uae30\uad00\uc5d0\uc11c\ub3c4 \uc720\uc0ac\ud55c \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ub370 \ud070 \ucc38\uace0\uac00 \ub418\uc5c8\uc73c\uba70, \ud604\uc7ac \ub9ce\uc740 \uae08\uc735 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ud45c\uc900\uc801\uc73c\ub85c \ucc44\ud0dd\ub418\uace0 \uc788\ub294 \uae30\ubc95\uc785\ub2c8\ub2e4.\n <\/p>\n\n \uc804\uc790\uc0c1\uac70\ub798 \ud50c\ub7ab\ud3fc\uc5d0\uc11c\ub294 \uc8fc\ubb38 \ucc98\ub9ac \ubc0f \uc7ac\uace0 \uad00\ub9ac \uc2dc\uc2a4\ud15c\uc5d0\uc11c Idempotent Consumer \ud328\ud134\uc774 \ub354\uc6b1 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ud2b9\ud788, \ub300\uaddc\ubaa8 \ud2b8\ub798\ud53d\uacfc \ud568\uaed8 \ub2e4\uc218\uc758 \uc8fc\ubb38 \uc694\uccad\uc774 \uc9e7\uc740 \uc2dc\uac04 \ub0b4\uc5d0 \uc9d1\uc911\ub418\ub294 \uc0c1\ud669\uc5d0\uc11c\ub294, \ub3d9\uc77c \uc8fc\ubb38\uc774 \uc911\ubcf5 \ucc98\ub9ac\ub418\uc5b4 \uc7ac\uace0 \uc624\ub958\ub098 \uace0\uac1d \ubd88\ub9cc\uc774 \ubc1c\uc0dd\ud560 \uac00\ub2a5\uc131\uc774 \ub192\uc2b5\ub2c8\ub2e4. \ud55c \uc720\uba85 \uc1fc\ud551\ubab0\uc740 \uc774\ub7ec\ud55c \ubb38\uc81c\ub97c \uadf9\ubcf5\ud558\uae30 \uc704\ud574 \uc8fc\ubb38 \uba54\uc2dc\uc9c0\uc5d0 \ub300\ud55c \uace0\uc720 \uc2dd\ubcc4\uc790\uc640 \ud568\uaed8 \ubcc4\ub3c4\uc758 \uc911\ubcf5 \uccb4\ud06c \uce90\uc2dc\ub97c \ud65c\uc6a9\ud558\uc600\uace0, \uc774\ub97c \ud1b5\ud574 \uc911\ubcf5 \uc8fc\ubb38 \ube44\uc728\uc744 \ud604\uc800\ud788 \ub0ae\ucd94\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\uc678\uc5d0\ub3c4 \uc8fc\ubb38 \ucde8\uc18c, \ud658\ubd88 \uc694\uccad \ub4f1 \ub2e4\uc591\ud55c \uc2dc\ub098\ub9ac\uc624\uc5d0\uc11c \uc774 \ud328\ud134\uc744 \ub3c4\uc785\ud558\uc5ec \uc548\uc815\uc801\uc778 \uc2dc\uc2a4\ud15c \uc6b4\uc601\uc744 \ub2ec\uc131\ud558\uc600\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n \ubb3c\ub958 \ubc0f \uc720\ud1b5 \ubd84\uc57c \uc5ed\uc2dc Idempotent Consumer \ud328\ud134\uc758 \ud61c\ud0dd\uc744 \ubcf4\uace0 \uc788\ub294 \ubd84\uc57c\uc785\ub2c8\ub2e4. \ubb3c\ub958 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \uc8fc\ub85c \uc8fc\ubb38, \ubc30\uc1a1, \ubc18\ud488 \ub4f1\uc758 \uc0c1\ud0dc \ubcc0\ud654\uac00 \uc2e4\uc2dc\uac04\uc73c\ub85c \ubc1c\uc0dd\ud558\uba70, \uc774 \uacfc\uc815\uc5d0\uc11c \ub3d9\uc77c \uc815\ubcf4\uac00 \uc911\ubcf5 \uae30\ub85d\ub420 \uacbd\uc6b0 \ubb3c\ub958 \ud2b8\ub798\ud0b9\uc5d0 \ud63c\uc120\uc774 \uc0dd\uae38 \uac00\ub2a5\uc131\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ud55c \uae00\ub85c\ubc8c \ubb3c\ub958 \uae30\uc5c5\uc740 IoT \uc13c\uc11c \ub370\uc774\ud130\ub97c \ud65c\uc6a9\ud558\uc5ec \ubc30\uc1a1 \uc0c1\ud0dc \uc5c5\ub370\uc774\ud2b8\ub97c \uc218\ud589\ud560 \ub54c, \uac01\uac01\uc758 \uc0c1\ud0dc \uba54\uc2dc\uc9c0\uc5d0 \ub300\ud574 \uace0\uc720 \uc2dd\ubcc4\uc790\uc640 \ud0c0\uc784\uc2a4\ud0ec\ud504 \uc815\ubcf4\ub97c \uacb0\ud569\ud55c \uc911\ubcf5 \uac80\uc99d \uba54\ucee4\ub2c8\uc998\uc744 \ub3c4\uc785\ud558\uc600\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ubc30\uc1a1 \uc0c1\ud0dc\uc758 \uc77c\uad00\uc131\uc744 \ubcf4\uc7a5\ud558\uace0, \uace0\uac1d\uc5d0\uac8c \uc815\ud655\ud55c \uc815\ubcf4\ub97c \uc81c\uacf5\ud568\uacfc \ub3d9\uc2dc\uc5d0 \ub0b4\ubd80 \uc6b4\uc601 \ud504\ub85c\uc138\uc2a4\uc758 \ud6a8\uc728\uc131\uc744 \uadf9\ub300\ud654\ud560 \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n IoT(Internet of Things) \ud658\uacbd\uc5d0\uc11c\ub294 \uc218\ucc9c \uac1c\uc758 \uc13c\uc11c\uac00 \ub3d9\uc2dc\uc5d0 \ub370\uc774\ud130\ub97c \ubc1c\ud589\ud558\ub294 \uc0c1\ud669\uc5d0\uc11c \uc911\ubcf5 \uc218\uc2e0 \ubb38\uc81c\uac00 \ube48\ubc88\ud558\uac8c \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc2a4\ub9c8\ud2b8 \uc2dc\ud2f0 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c\ub294 \uacf5\uacf5 \uc548\uc804, \uad50\ud1b5, \ud658\uacbd \ubaa8\ub2c8\ud130\ub9c1 \ub4f1 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \uc218\uc9d1\ub418\ub294 \ub370\uc774\ud130\uac00 \uc911\ubcf5 \uc800\uc7a5\ub418\uc5b4 \ubd84\uc11d\uc758 \uc65c\uace1\uc744 \ucd08\ub798\ud558\ub294 \uc0ac\ub840\uac00 \uc885\uc885 \ubcf4\uace0\ub429\ub2c8\ub2e4. \uc774\uc5d0 \ub300\uc751\ud558\uae30 \uc704\ud574, IoT \uac8c\uc774\ud2b8\uc6e8\uc774 \ubc0f \ub370\uc774\ud130 \uc218\uc9d1 \uc2dc\uc2a4\ud15c\uc5d0 Idempotent Consumer \ud328\ud134\uc744 \uc801\uc6a9\ud558\uc5ec \uac01 \uc13c\uc11c \ub370\uc774\ud130\uc758 \uace0\uc720 \uc2dd\ubcc4\uc790\ub97c \uae30\uc900\uc73c\ub85c \uc911\ubcf5 \ub370\uc774\ud130\ub97c \ud544\ud130\ub9c1\ud558\ub294 \ubc29\uc2dd\uc744 \ub3c4\uc785\ud558\uc600\uc2b5\ub2c8\ub2e4. \uc774\ub85c\uc368 \ub370\uc774\ud130 \ubd84\uc11d\uc758 \uc2e0\ub8b0\uc131\uc744 \ud655\ubcf4\ud558\uace0, \uc2e4\uc2dc\uac04 \ubaa8\ub2c8\ud130\ub9c1 \uc2dc\uc2a4\ud15c\uc758 \uc815\ud655\ub3c4\ub97c \ub300\ud3ed \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n \uc0b0\uc5c5 \uc804\ubc18\uc5d0 \uac78\uccd0 \uc0b4\ud3b4\ubcf8 \ubc14\uc640 \uac19\uc774, Idempotent Consumer \ud328\ud134\uc758 \ub3c4\uc785\uc740 \uc911\ubcf5 \uba54\uc2dc\uc9c0 \ucc98\ub9ac \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ub370 \uc788\uc5b4 \ub9e4\uc6b0 \ud6a8\uacfc\uc801\uc778 \uc194\ub8e8\uc158\uc784\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uc774\ub7ec\ud55c \uc0ac\ub840\ub4e4\uc744 \uc694\uc57d\ud55c \uc8fc\uc694 \ud65c\uc6a9 \uc804\ub7b5 \ubaa9\ub85d\uc785\ub2c8\ub2e4.\n <\/p>\n<ul>\n<li>\uace0\uc720 \uc2dd\ubcc4\uc790 \uad00\ub9ac: \ubaa8\ub4e0 \uba54\uc2dc\uc9c0\uc5d0 \uace0\uc720 \uc2dd\ubcc4\uc790\ub97c \ubd80\uc5ec\ud558\uc5ec \uc911\ubcf5 \uc5ec\ubd80\ub97c \ud310\ub2e8<\/li>\n<li>\uce90\uc2dc\uc640 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ubcd1\ud589 \ud65c\uc6a9: \ube60\ub978 \uc911\ubcf5 \uccb4\ud06c\uc640 \uc548\uc815\uc801\uc778 \uc800\uc7a5\uc744 \ub3d9\uc2dc\uc5d0 \ubcf4\uc7a5<\/li>\n<li>\ubd84\uc0b0 \ub77d \uae30\ubc95 \ub3c4\uc785: \uc5ec\ub7ec \uc778\uc2a4\ud134\uc2a4 \uac04 \ub3d9\uc2dc \uc811\uadfc \uc81c\ud55c\uc744 \ud1b5\ud55c \ub370\uc774\ud130 \ubb34\uacb0\uc131 \ud655\ubcf4<\/li>\n<li>\uc2e4\uc2dc\uac04 \uac10\uc0ac \ubc0f \ub85c\uadf8 \uae30\ub85d: \uba54\uc2dc\uc9c0 \ucc98\ub9ac \ub0b4\uc5ed\uc744 \uae30\ub85d\ud558\uc5ec \uc7a5\uc560 \ub300\uc751 \ubc0f \uc6d0\uc778 \ubd84\uc11d \uc9c0\uc6d0<\/li>\n<li>\uc2dc\uc2a4\ud15c \ubaa8\ub2c8\ud130\ub9c1 \uac15\ud654: \uc7a5\uc560 \ubc1c\uc0dd \uc2dc \uc989\uac01 \ub300\uc751 \uac00\ub2a5\ud55c \ubaa8\ub2c8\ud130\ub9c1 \uccb4\uacc4 \uad6c\ucd95<\/li>\n<\/ul>\n\n \uc774\uc640 \uac19\uc740 \uc804\ub7b5\uc744 \ud1b5\ud574 \uae30\uc5c5\ub4e4\uc740 \ubcf5\uc7a1\ud558\uace0 \ub2e4\ubcc0\ud654\ub41c \ud658\uacbd\uc5d0\uc11c\ub3c4 \uba54\uc2dc\uc9c0 \ucc98\ub9ac\uc758 \uc2e0\ub8b0\uc131\uacfc \uc77c\uad00\uc131\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc2e4\uc81c \ud604\uc7a5\uc5d0\uc11c \uc5bb\uc740 \ub2e4\uc591\ud55c \ud1b5\uacc4 \uc790\ub8cc\uc5d0 \ub530\ub974\uba74, Idempotent Consumer \ud328\ud134\uc744 \ub3c4\uc785\ud55c \uc2dc\uc2a4\ud15c\uc740 \uc911\ubcf5 \uba54\uc2dc\uc9c0\ub85c \uc778\ud55c \uc624\ub958 \ubc1c\uc0dd\ub960\uc774 \ud3c9\uade0 85% \uc774\uc0c1 \uac10\uc18c\ud588\uc73c\uba70, \uc7a5\uc560 \ubcf5\uad6c \uc2dc\uac04 \ub610\ud55c \ud06c\uac8c \ub2e8\ucd95\ub418\ub294 \ud6a8\uacfc\ub97c \ub098\ud0c0\ub0c8\uc2b5\ub2c8\ub2e4. \ub610 \ub2e4\ub978 \uc0ac\ub840\uc5d0\uc11c\ub294, \uc774\ubca4\ud2b8 \uae30\ubc18 \uc544\ud0a4\ud14d\ucc98\ub97c \ub3c4\uc785\ud55c IT \uae30\uc5c5\uc774 \uc774 \ud328\ud134\uc744 \ud1b5\ud574 \uc11c\ube44\uc2a4 \uc7a5\uc560 \ubc1c\uc0dd \uc2dc \ud3c9\uade0 \ubcf5\uad6c \uc2dc\uac04\uc744 30% \ub2e8\ucd95\ud558\ub294 \uc131\uacfc\ub97c \uac70\ub450\uae30\ub3c4 \ud558\uc600\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n \ub354 \ub098\uc544\uac00, \uc774\ub7ec\ud55c \uc0ac\ub840 \uc5f0\uad6c\ub294 \ub2e8\uc21c\ud788 \uae30\uc220\uc801 \ubb38\uc81c \ud574\uacb0\uc744 \ub118\uc5b4\uc11c, \uacbd\uc601 \uc804\ub7b5 \ubc0f \ube44\uc988\ub2c8\uc2a4 \ud504\ub85c\uc138\uc2a4 \uac1c\uc120\uc5d0\ub3c4 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce58\uace0 \uc788\uc74c\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc911\ubcf5 \uba54\uc2dc\uc9c0 \ucc98\ub9ac\ub85c \uc778\ud55c \uc7ac\ubb34\uc801 \uc190\uc2e4 \ubc0f \uc6b4\uc601\uc0c1\uc758 \ud63c\uc120\uc744 \ucd5c\uc18c\ud654\ud568\uc73c\ub85c\uc368, \uace0\uac1d \ub9cc\uc871\ub3c4\uc640 \ube0c\ub79c\ub4dc \uc2e0\ub8b0\uc131\uc744 \ub3d9\uc2dc\uc5d0 \ub192\uc77c \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \uaddc\uc81c \uc900\uc218\uc640 \uac10\uc0ac \uce21\uba74\uc5d0\uc11c\ub3c4 \uba85\ud655\ud55c \uae30\ub85d\uacfc \uc911\ubcf5 \ubc29\uc9c0 \ub85c\uc9c1\uc744 \ud1b5\ud574 \uae30\uc5c5\uc758 \ud22c\uba85\uc131\uc744 \ud655\ubcf4\ud558\ub294 \ub370 \uae30\uc5ec\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n \uacb0\ub860\uc801\uc73c\ub85c, Idempotent Consumer \ud328\ud134\uc740 \ub2e4\uc591\ud55c \uc0b0\uc5c5 \uc601\uc5ed\uc5d0\uc11c \uc911\ubcf5 \uba54\uc2dc\uc9c0\uc5d0 \ub530\ub978 \ubb38\uc81c\uc810\ub4e4\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \ud574\uacb0\ud560 \uc218 \uc788\ub294 \uac15\ub825\ud55c \ub3c4\uad6c\uc784\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ud328\ud134\uc758 \uc131\uacf5\uc801\uc778 \ub3c4\uc785\uc740 \uc0ac\uc804 \uc694\uad6c\uc0ac\ud56d \ubd84\uc11d, \uc801\uc808\ud55c \uae30\uc220 \uc120\ud0dd, \uadf8\ub9ac\uace0 \uc2e4\uc81c \uc6b4\uc601\uc5d0\uc11c\uc758 \uc9c0\uc18d\uc801\uc778 \ubaa8\ub2c8\ud130\ub9c1\uacfc \uac1c\uc120 \uacfc\uc815\uc744 \ud1b5\ud574\uc11c\ub9cc \uc774\ub8e8\uc5b4\uc9c8 \uc218 \uc788\ub2e4\ub294 \uc810\uc744 \uba85\uc2ec\ud574\uc57c \ud569\ub2c8\ub2e4. \uc55e\uc73c\ub85c\ub3c4 \ub514\uc9c0\ud138 \uc804\ud658\uacfc IT \uc2dc\uc2a4\ud15c\uc758 \ubcf5\uc7a1\uc131\uc774 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c, Idempotent Consumer \ud328\ud134\uc774 \uac00\uc9c4 \uc5ed\ud560\uacfc \uc911\uc694\uc131\uc740 \ub354\uc6b1 \ucee4\uc9c8 \uac83\uc73c\ub85c \uc608\uc0c1\ub429\ub2c8\ub2e4.\n <\/p>\n\n \uc704\uc640 \uac19\uc774 \uc5ec\ub7ec \uad6c\uccb4\uc801\uc778 \uc0ac\ub840\uc640 \uc131\uacf5 \uc804\ub7b5\uc744 \ud1b5\ud574, Idempotent Consumer \ud328\ud134\uc774 \ub2e8\uc21c\ud55c \uae30\uc220\uc801 \ud574\uacb0\ucc45\uc5d0\uc11c \ubc97\uc5b4\ub098, \uc804\uccb4 \uc2dc\uc2a4\ud15c \uc124\uacc4\uc640 \uc6b4\uc601 \ud6a8\uc728\uc131\uc744 \uadf9\ub300\ud654\ud558\ub294 \uc911\uc694\ud55c \uc694\uc18c\ub85c \uc790\ub9ac\ub9e4\uae40\ud558\uace0 \uc788\uc74c\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc640 \uac19\uc740 \uc0ac\ub840 \uc5f0\uad6c\ub294 \ud574\ub2f9 \ud328\ud134\uc758 \ub3c4\uc785\uc744 \uace0\ub824\ud558\ub294 \ubaa8\ub4e0 \uae30\uc5c5\ub4e4\uc5d0\uac8c \uc720\uc6a9\ud55c \ucc38\uace0 \uc790\ub8cc\uac00 \ub420 \uac83\uc774\uba70, \ud5a5\ud6c4 \uae30\uc220 \ubc1c\uc804\uacfc \ud568\uaed8 \ub354\uc6b1 \ub2e4\uc591\ud55c \ud65c\uc6a9 \ubc29\ubc95\ub4e4\uc774 \ub4f1\uc7a5\ud560 \uac83\uc73c\ub85c \uae30\ub300\ub429\ub2c8\ub2e4.\n <\/p>\n <\/p>\n<h2 id=\"4-%eb%af%b8%eb%9e%98-%ec%a0%84%eb%a7%9d%ea%b3%bc-%ea%b8%b0%ec%88%a0-%eb%b0%9c%ec%a0%84-%eb%8f%99%ed%96%a5-DuqrAtlHyp\">4. \ubbf8\ub798 \uc804\ub9dd\uacfc \uae30\uc220 \ubc1c\uc804 \ub3d9\ud5a5<\/h2>\n\n Idempotent Consumer \ud328\ud134\uc740 \ud604\uc7ac\uae4c\uc9c0\ub3c4 \ubd84\uc0b0 \uc2dc\uc2a4\ud15c \ubc0f \uc774\ubca4\ud2b8 \uae30\ubc18 \uc544\ud0a4\ud14d\ucc98\uc5d0\uc11c \ud575\uc2ec\uc801\uc778 \uc5ed\ud560\uc744 \uc218\ud589\ud574 \uc654\uc73c\uba70, \ubbf8\ub798\uc5d0\ub3c4 \uadf8 \uc911\uc694\uc131\uc774 \ub354\uc6b1 \ud655\ub300\ub420 \uc804\ub9dd\uc785\ub2c8\ub2e4. \ud074\ub77c\uc6b0\ub4dc \ub124\uc774\ud2f0\ube0c \ud658\uacbd, \uc11c\ubc84\ub9ac\uc2a4 \ucef4\ud4e8\ud305, \ucee8\ud14c\uc774\ub108 \uc624\ucf00\uc2a4\ud2b8\ub808\uc774\uc158\uacfc \uac19\uc740 \ucd5c\uc2e0 \uae30\uc220 \ud2b8\ub80c\ub4dc\uc640 \ud568\uaed8, \uba54\uc2dc\uc9c0 \uc911\uc2ec \uc2dc\uc2a4\ud15c\uc740 \ub354\uc6b1 \ubcf5\uc7a1\ud574\uc9c0\uace0 \uc788\uc73c\uba70, \uc774\uc5d0 \ub530\ub978 \uc911\ubcf5 \ucc98\ub9ac \ubb38\uc81c \uc5ed\uc2dc \uc0c8\ub85c\uc6b4 \ub3c4\uc804 \uacfc\uc81c\ub85c \ub5a0\uc624\ub974\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc30\uacbd \uc18d\uc5d0\uc11c, Idempotent Consumer \ud328\ud134\uc740 \uae30\uc874\uc758 \ub2e8\uc77c \uc2dc\uc2a4\ud15c \ub0b4 \uc911\ubcf5 \ubc29\uc9c0 \uae30\ub2a5\uc744 \ub118\uc5b4, \uc804\uccb4 \ud074\ub77c\uc6b0\ub4dc \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc548\uc815\uc131\uacfc \ud655\uc7a5\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \ud575\uc2ec \uae30\ubc95\uc73c\ub85c\uc11c \uc7ac\uc870\uba85\ubc1b\uace0 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n \ubbf8\ub798\uc758 IT \ud658\uacbd\uc740 \uadf8 \uc5b4\ub290 \ub54c\ubcf4\ub2e4 \ube60\ub974\uac8c \ubcc0\ud654\ud558\uace0 \uc788\uc73c\uba70, \ud2b9\ud788 \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \uc544\ud0a4\ud14d\ucc98\uc640 \uc774\ubca4\ud2b8 \uc18c\uc2f1(event sourcing)\uc774 \uc8fc\ub958\ub97c \uc774\ub8e8\ub294 \uc0c1\ud669\uc5d0\uc11c\ub294 \uac01 \uc11c\ube44\uc2a4 \uac04 \uba54\uc2dc\uc9c0 \uc804\ub2ec\uc758 \uc2e0\ub8b0\uc131\uc774 \ubb38\uc81c\uc758 \ud575\uc2ec\uc774 \ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc5d0 \ub530\ub77c, Idempotent Consumer \ud328\ud134\uc740 \ub2e8\uc21c\ud55c \uc911\ubcf5 \ubc29\uc9c0\ub97c \ub118\uc5b4 \ub370\uc774\ud130 \uc2a4\ud2b8\ub9bc\uc758 \uc2e4\uc2dc\uac04 \ubd84\uc11d, \uc774\ubca4\ud2b8 \ucc98\ub9ac\uc758 \uc790\ub3d9\ud654, \uadf8\ub9ac\uace0 \uc778\uacf5\uc9c0\ub2a5 \uae30\ubc18\uc758 \uc774\uc0c1 \ud0d0\uc9c0 \uc2dc\uc2a4\ud15c\uacfc \uc5f0\uacc4\ub418\uc5b4 \ud65c\uc6a9\ub420 \uac00\ub2a5\uc131\uc774 \ud07d\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uae30\uc220\uc801 \uc735\ud569\uc740 \uc804\uccb4 \uc2dc\uc2a4\ud15c\uc758 \ubcf5\uc6d0\ub825(resilience)\uacfc \uc608\uce21 \uac00\ub2a5\uc131\uc744 \ub192\uc774\ub294 \ub370 \uae30\uc5ec\ud560 \uac83\uc73c\ub85c \ubcf4\uc774\uba70, \uae00\ub85c\ubc8c IT \uae30\uc5c5\ub4e4\uc740 \uc774\ubbf8 \uc774\uc5d0 \ub300\ud55c \uc5f0\uad6c\uc640 \ud30c\uc77c\ub7ff \ud504\ub85c\uc81d\ud2b8\ub97c \uc9c4\ud589 \uc911\uc5d0 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n \ub610\ud55c, \ube14\ub85d\uccb4\uc778\uacfc \ubd84\uc0b0 \uc6d0\uc7a5 \uae30\uc220(DLT)\uc758 \ubc1c\uc804\uacfc \ud568\uaed8, \ub370\uc774\ud130\uc758 \ubb34\uacb0\uc131\uacfc \ud22c\uba85\uc131\uc774 \ub354\uc6b1 \uac15\uc870\ub418\ub294 \uc2dc\ub300\uc5d0\uc11c\ub294 Idempotent Consumer \ud328\ud134\uc774 \uc0c8\ub85c\uc6b4 \ud615\ud0dc\ub85c \uc7ac\uad6c\uc131\ub420 \ud544\uc694\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ube14\ub85d\uccb4\uc778 \ub124\ud2b8\uc6cc\ud06c\uc5d0\uc11c \uc911\ubcf5\ub41c \ud2b8\ub79c\uc7ad\uc158\uc758 \ucc98\ub9ac\ub294 \ubcf4\uc548 \ubc0f \ubd84\uc0b0 \ud569\uc758 \uc54c\uace0\ub9ac\uc998\uacfc \ub9de\ubb3c\ub824 \ub9e4\uc6b0 \uc911\uc694\ud55c \uc774\uc288\ub85c \ubd80\uac01\ub418\uace0 \uc788\uc73c\uba70, \uc774\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud55c \uc0c8\ub85c\uc6b4 \uae30\uc220\uc801 \uc811\uadfc \ubc29\uc2dd\ub4e4\uc774 \ub4f1\uc7a5\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ub9e5\ub77d\uc5d0\uc11c, Idempotent Consumer \ud328\ud134\uc740 \uae30\uc874\uc758 \ub2e8\uc21c \ubc18\ubcf5 \uc81c\uac70\ub97c \ub118\uc5b4, \uc2e0\ub8b0 \uae30\ubc18 \ub370\uc774\ud130 \ucc98\ub9ac\uc640 \uacb0\ud569\ub41c \ud615\ud0dc\uc758 \ud601\uc2e0\uc801 \uc194\ub8e8\uc158\uc73c\ub85c \uc9c4\ud654\ud560 \uac00\ub2a5\uc131\uc774 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n \ubbf8\ub798 \uc804\ub9dd\uc744 \uad6c\uccb4\uc801\uc73c\ub85c \uc0b4\ud3b4\ubcf4\uba74, \uccab\uc9f8\ub85c \uc11c\ubc84\ub9ac\uc2a4 \uc544\ud0a4\ud14d\ucc98 \ud658\uacbd\uc5d0\uc11c\ub294 \ud568\uc218 \ub2e8\uc704\ub85c \uc2e4\ud589\ub418\ub294 \ud504\ub85c\uc138\uc2a4 \ub0b4\uc5d0\uc11c \uba54\uc2dc\uc9c0 \uc911\ubcf5 \uccb4\ud06c\uac00 \ub354\uc6b1 \uc911\uc694\ud558\uac8c \ub2e4\ub904\uc9c8 \uac83\uc785\ub2c8\ub2e4. \uc11c\ubc84\ub9ac\uc2a4 \ucef4\ud4e8\ud305\uc5d0\uc11c\ub294 \uc778\uc2a4\ud134\uc2a4\uac00 \uc9e7\uc740 \uc0dd\uba85 \uc8fc\uae30\ub97c \uac00\uc9c0\uae30 \ub54c\ubb38\uc5d0, \uac01 \uc2e4\ud589 \ucee8\ud14d\uc2a4\ud2b8 \ub0b4\uc5d0\uc11c \uc911\ubcf5 \ub370\uc774\ud130\uac00 \uc720\uc2e4\ub418\uc9c0 \uc54a\ub3c4\ub85d \ud558\ub294 \uba54\ucee4\ub2c8\uc998\uc740 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774\uc5d0 \ub530\ub77c, \ud074\ub77c\uc6b0\ub4dc \uc81c\uacf5 \uc5c5\uccb4\ub4e4\uc740 \ub0b4\uc7a5\ub41c idempotency \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\uac70\ub098, \uac1c\ubc1c\uc790\uac00 \uc190\uc27d\uac8c \uc911\ubcf5 \ucc98\ub9ac\ub97c \uc81c\uc5b4\ud560 \uc218 \uc788\ub294 API\ub97c \ub3c4\uc785\ud558\ub294 \ubc29\ud5a5\uc73c\ub85c \ub098\uc544\uac00\uace0 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n \ub458\uc9f8, \uc778\uacf5\uc9c0\ub2a5 \ubc0f \uba38\uc2e0\ub7ec\ub2dd \uae30\uc220\uc758 \ubc1c\uc804\uc744 \ud1b5\ud574, \uc2dc\uc2a4\ud15c \uc6b4\uc601 \ub3c4\uc911 \ubc1c\uc0dd\ud558\ub294 \uc911\ubcf5 \uba54\uc2dc\uc9c0 \ud328\ud134\uc744 \uc790\ub3d9\uc73c\ub85c \uac10\uc9c0\ud558\uace0, \ucd5c\uc801\uc758 \ucc98\ub9ac \ubc29\uc2dd\uc744 \uc81c\uc548\ud558\ub294 \uc790\ub3d9\ud654 \uc194\ub8e8\uc158\uc774 \ub4f1\uc7a5\ud560 \uac00\ub2a5\uc131\uc774 \ud07d\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uba38\uc2e0\ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998\uc774 \uc11c\ube44\uc2a4 \ub85c\uadf8\uc640 \uc774\ubca4\ud2b8 \ub370\uc774\ud130\ub97c \ubd84\uc11d\ud558\uc5ec \uc911\ubcf5\uc774 \uc608\uc0c1\ub418\ub294 \uc2dc\uc810\uc774\ub098 \ud2b9\uc815 \ud328\ud134\uc744 \uc0ac\uc804\uc5d0 \uc608\uce21\ud560 \uc218 \uc788\ub2e4\uba74, Idempotent Consumer \ud328\ud134\uc758 \uad6c\ud604\uacfc \uad00\ub9ac\uac00 \ud55c\uce35 \ub354 \uc790\ub3d9\ud654\ub418\uace0 \ud6a8\uc728\uc801\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9c8 \uac83\uc785\ub2c8\ub2e4.\n <\/p>\n\n \uc14b\uc9f8, \ubd84\uc0b0 \uc2dc\uc2a4\ud15c\uc758 \uc804\ubc18\uc801\uc778 \uc2e0\ub8b0\uc131\uacfc \ud655\uc7a5\uc131\uc744 \ub192\uc774\uae30 \uc704\ud55c \uc5f0\uad6c\ub4e4\uc740 \uacc4\uc18d \uc9c4\ud589\ub418\uace0 \uc788\uc73c\uba70, \uc774\ub294 Idempotent Consumer \ud328\ud134\uc758 \uc9c4\ud654\uc5d0\ub3c4 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce60 \uac83\uc785\ub2c8\ub2e4. \uc624\ud508\uc18c\uc2a4 \ucee4\ubba4\ub2c8\ud2f0 \ubc0f \uc0b0\uc5c5\uacc4\uc5d0\uc11c\ub294 \uc774\ubbf8 \uc5ec\ub7ec \ucc28\ub840\uc758 \ucee8\ud37c\ub7f0\uc2a4\uc640 \uc138\ubbf8\ub098\ub97c \ud1b5\ud574 \uc774 \ud328\ud134\uc758 \ucd5c\uc2e0 \uad6c\ud604 \uc0ac\ub840\uc640 \uac1c\uc120 \ubc29\uc548\ub4e4\uc744 \uacf5\uc720\ud558\uace0 \uc788\uc73c\uba70, \ud2b9\ud788 \ud074\ub77c\uc6b0\ub4dc \ub124\uc774\ud2f0\ube0c \ud658\uacbd\uc5d0\uc11c\uc758 \ubbf8\ub4e4\uc6e8\uc5b4 \uc194\ub8e8\uc158 \uac1c\ubc1c\uc774 \ud65c\ubc1c\ud558\uac8c \uc774\ub8e8\uc5b4\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ud5a5\ud6c4 \ub354\uc6b1 \uac15\ub825\ud55c \uc911\ubcf5 \uba54\uc2dc\uc9c0 \ucc98\ub9ac \uba54\ucee4\ub2c8\uc998\uc73c\ub85c \uc774\uc5b4\uc9c8 \uc804\ub9dd\uc774\uba70, \uae30\uc5c5\ub4e4\uc774 \uc774\ub97c \ubc14\ud0d5\uc73c\ub85c \uc548\uc815\uc801\uc774\uace0 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc2dc\uc2a4\ud15c\uc744 \uad6c\ucd95\ud560 \uc218 \uc788\ub3c4\ub85d \uc9c0\uc6d0\ud560 \uac83\uc785\ub2c8\ub2e4.\n <\/p>\n\n \ub610\ud55c, \ud45c\uc900\ud654 \uc791\uc5c5\ub3c4 \uc55e\uc73c\ub85c\uc758 \uc8fc\uc694 \uc774\uc288\ub85c \ub300\ub450\ub420 \uac83\uc785\ub2c8\ub2e4. \ud604\uc7ac \uc0b0\uc5c5\uacc4\uc5d0\uc11c\ub294 Idempotent Consumer \ud328\ud134\uc758 \uad6c\ud604\uc5d0 \uad00\ub828\ub41c \ub2e4\uc591\ud55c \ubc29\ubc95\ub860\uc774 \uc874\uc7ac\ud558\uc9c0\ub9cc, \ud5a5\ud6c4 \uc774\ub97c \uc704\ud55c \uad6d\uc81c \ud45c\uc900\uc774\ub098 \uac00\uc774\ub4dc\ub77c\uc778\uc774 \ub9c8\ub828\ub41c\ub2e4\uba74 \uac1c\ubc1c\uc790\uc640 \uc2dc\uc2a4\ud15c \uc6b4\uc601\uc790 \ubaa8\ub450\uac00 \ubcf4\ub2e4 \uc77c\uad00\ub41c \ubc29\uc2dd\uc73c\ub85c \uc911\ubcf5 \ucc98\ub9ac \ubb38\uc81c\uc5d0 \uc811\uadfc\ud560 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud45c\uc900\ud654\ub294 \uba54\uc2dc\uc9c0 \ubbf8\ub4e4\uc6e8\uc5b4, API \uac8c\uc774\ud2b8\uc6e8\uc774, \ud074\ub77c\uc6b0\ub4dc \ud50c\ub7ab\ud3fc \ub4f1\uc774 \ud1b5\ud569\ub41c \uc0dd\ud0dc\uacc4\ub97c \uad6c\ucd95\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud560 \uac83\uc73c\ub85c \uae30\ub300\ub429\ub2c8\ub2e4.\n <\/p>\n\n \ub9c8\uc9c0\ub9c9\uc73c\ub85c, Idempotent Consumer \ud328\ud134\uc758 \ubbf8\ub798 \ubc1c\uc804\uc740 \ub2e8\uc21c\ud55c \uae30\uc220\uc801 \uac1c\uc120\uc744 \ub118\uc5b4\uc11c \uc804\uccb4 \ube44\uc988\ub2c8\uc2a4 \ubaa8\ub378\uacfc \uc6b4\uc601 \uc804\ub7b5\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce60 \uac83\uc785\ub2c8\ub2e4. \ub370\uc774\ud130\ub97c \uc911\uc2ec\uc73c\ub85c \ud55c \ub514\uc9c0\ud138 \ud601\uc2e0 \uc2dc\ub300\uc5d0 \uc788\uc5b4\uc11c, \uc2e4\uc2dc\uac04 \ub370\uc774\ud130 \ucc98\ub9ac\uc640 \uc774\ubca4\ud2b8 \uae30\ubc18 \uc2dc\uc2a4\ud15c\uc758 \uc2e0\ub8b0\uc131\uc774 \uace7 \uae30\uc5c5 \uacbd\uc7c1\ub825\uc758 \ud575\uc2ec \uc694\uc18c\ub85c \ubd80\uc0c1\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc640 \uad00\ub828\ub41c \ucd5c\uc2e0 \ud1b5\uacc4\uc5d0 \ub530\ub974\uba74, Idempotent Consumer \ud328\ud134\uacfc \uc774\uc5d0 \uc720\uc0ac\ud55c \uae30\ubc95\uc744 \uc801\uc808\ud788 \ud65c\uc6a9\ud558\ub294 \uae30\uc5c5\ub4e4\uc740 \uadf8\ub807\uc9c0 \ubabb\ud55c \uae30\uc5c5 \ub300\ube44 \ud3c9\uade0 40% \uc774\uc0c1\uc758 \uc6b4\uc601 \ube44\uc6a9 \uc808\uac10\uacfc 30% \uc774\uc0c1\uc758 \uace0\uac1d \ub9cc\uc871\ub3c4 \ud5a5\uc0c1\uc744 \uc774\ub8e8\uc5b4\ub0b8 \uc0ac\ub840\uac00 \ub2e4\uc218 \ubcf4\uace0\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n \uc885\ud569\uc801\uc73c\ub85c \ubcfc \ub54c, Idempotent Consumer \ud328\ud134\uc740 \ubbf8\ub798 IT \uc778\ud504\ub77c\uc758 \ud575\uc2ec \uc124\uacc4 \ud328\ud134\uc73c\ub85c \uc790\ub9ac\ub9e4\uae40\ud560 \uac83\uc73c\ub85c \ubcf4\uc785\ub2c8\ub2e4. \uae30\uc220 \ubc1c\uc804\uacfc \ud568\uaed8 \ubcf5\uc7a1\ud574\uc9c0\ub294 \ubd84\uc0b0 \ucc98\ub9ac \ud658\uacbd\uc5d0\uc11c, \uc774 \ud328\ud134\uc740 \uc911\ubcf5 \uba54\uc2dc\uc9c0 \ucc98\ub9ac \ubb38\uc81c\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \ud574\uacb0\ud560 \ubfd0\ub9cc \uc544\ub2c8\ub77c, \uc804\uccb4 \uc2dc\uc2a4\ud15c\uc758 \uc548\uc815\uc131\uacfc \ud655\uc7a5\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud560 \uac83\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \uac1c\ubc1c\uc790, \uc544\ud0a4\ud14d\ud2b8, \uadf8\ub9ac\uace0 \uacbd\uc601\uc9c4 \ubaa8\ub450\uac00 \uc774 \ud328\ud134\uc758 \uc6d0\ub9ac\uc640 \uad6c\ud604 \ubc29\ubc95\uc744 \uc2ec\ub3c4 \uc788\uac8c \uc774\ud574\ud558\uace0, \uc774\ub97c \uc2e4\uc81c \uc2dc\uc2a4\ud15c\uc5d0 \uc801\uc808\ud788 \uc801\uc6a9\ud558\ub294 \ub178\ub825\uc774 \uc694\uad6c\ub429\ub2c8\ub2e4.\n <\/p>\n\n \uc694\uc57d\ud558\uc790\uba74, Idempotent Consumer \ud328\ud134\uc740 \ub370\uc774\ud130 \uc77c\uad00\uc131\uacfc \uc2dc\uc2a4\ud15c \uc548\uc815\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \ud575\uc2ec \uae30\uc220\ub85c\uc11c, \uc55e\uc73c\ub85c\uc758 \uae30\uc220 \ubc1c\uc804 \ubc0f \uc0c8\ub85c\uc6b4 IT \ud658\uacbd\uc5d0\uc11c \uadf8 \ud65c\uc6a9 \ubc94\uc704\uc640 \uc911\uc694\uc131\uc774 \ub354\uc6b1 \ud655\ub300\ub420 \uac83\uc785\ub2c8\ub2e4. \ud5a5\ud6c4 \uad00\ub828 \uae30\uc220 \ud45c\uc900\ud654, \uc790\ub3d9\ud654 \uc194\ub8e8\uc158, \uadf8\ub9ac\uace0 \uc778\uacf5\uc9c0\ub2a5 \uae30\ubc18 \uc608\uce21 \uc2dc\uc2a4\ud15c\uacfc\uc758 \uacb0\ud569\uc744 \ud1b5\ud574, \uc774 \ud328\ud134\uc740 \ub2e8\uc21c\ud55c \uc911\ubcf5 \uc81c\uac70\ub97c \ub118\uc5b4 \uc804\ubc18\uc801\uc778 \uc2dc\uc2a4\ud15c \uc2e0\ub8b0\ub3c4\ub97c \ud655\ubcf4\ud558\ub294 \ud601\uc2e0\uc801\uc778 \ub3c4\uad6c\ub85c \ubc1c\uc804\ud560 \uac83\uc785\ub2c8\ub2e4.\n <\/p>\n\n \ucd5c\uc885\uc801\uc73c\ub85c, Idempotent Consumer \ud328\ud134\uc740 \uadf8 \uc790\uccb4\ub85c \ud558\ub098\uc758 \uac15\ub825\ud55c \uc124\uacc4 \ucca0\ud559\uc774\uc790, \ubcf5\uc7a1\ud55c \ubd84\uc0b0 \uc2dc\uc2a4\ud15c \ud658\uacbd\uc5d0\uc11c \ub370\uc774\ud130 \ubb34\uacb0\uc131\uacfc \uc548\uc815\uc131\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud55c \ud544\uc218 \uc870\uac74\uc785\ub2c8\ub2e4. \uac01 \uae30\uc5c5\uacfc \uac1c\ubc1c \ud300\uc740 \uc774 \ud328\ud134\uc758 \uc6d0\ub9ac\uc640 \uad6c\ud604 \uc0ac\ub840\ub97c \ubc14\ud0d5\uc73c\ub85c, \ubbf8\ub798\uc758 \ub2e4\uc591\ud55c \ub3c4\uc804 \uacfc\uc81c\uc5d0 \ud6a8\uacfc\uc801\uc73c\ub85c \ub300\uc751\ud560 \uc218 \uc788\ub294 \uc804\ub7b5\uc744 \ub9c8\ub828\ud574\uc57c \ud560 \uac83\uc785\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uacb0\uad6d, \ud601\uc2e0\uc801\uc778 IT \uc2dc\uc2a4\ud15c \uad6c\ucd95\uacfc \uace0\uac1d \uc2e0\ub8b0\uc131 \uc81c\uace0\ub77c\ub294 \ub450 \ub9c8\ub9ac \ud1a0\ub07c\ub97c \ub3d9\uc2dc\uc5d0 \uc7a1\uc744 \uc218 \uc788\uc744 \uac83\uc73c\ub85c \uae30\ub300\ub429\ub2c8\ub2e4.\n <\/p>\n\n \ubcf8 \uae00\uc5d0\uc11c \ub2e4\ub8ec \ub2e4\uc591\ud55c \uc0ac\ub840, \uad6c\ud604 \ubc29\ubc95\ub860, \uadf8\ub9ac\uace0 \ubbf8\ub798 \uc804\ub9dd\uc740 Idempotent Consumer \ud328\ud134\uc774 \ub2e8\uc21c\ud55c \uc911\ubcf5 \uccb4\ud06c\ub97c \ub118\uc5b4\uc11c, \uc804\uccb4 \uc2dc\uc2a4\ud15c \uc124\uacc4\uc640 \uc6b4\uc601\uc758 \ud575\uc2ec \uc694\uc18c\ub85c \uc790\ub9ac \uc7a1\uc544 \uac00\uace0 \uc788\uc74c\uc744 \uc99d\uba85\ud569\ub2c8\ub2e4. \uac01 \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c \uc774\ubbf8 \uc131\uacf5\uc801\uc73c\ub85c \uc801\uc6a9\ub41c \uc0ac\ub840\ub4e4\uc744 \ud1a0\ub300\ub85c, \ubbf8\ub798\uc758 \ubc1c\uc804 \ubc29\ud5a5\uacfc \uae30\uc220 \ub3d9\ud5a5\uc744 \uba74\ubc00\ud788 \ubd84\uc11d\ud558\uace0, \uc2e4\ubb34\uc5d0 \uc801\uc6a9\ud568\uc73c\ub85c\uc368 \ubcf4\ub2e4 \uc548\uc815\uc801\uc774\uace0 \uc2e0\ub8b0\uc131 \ub192\uc740 IT \ud658\uacbd\uc744 \uad6c\ucd95\ud560 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4.\n <\/p>\n\n \uac15\ub825\ud55c \uc694\uc57d\uc73c\ub85c \ub9c8\ubb34\ub9ac\ud558\uc790\uba74, Idempotent Consumer \ud328\ud134\uc740 \uc911\ubcf5 \uba54\uc2dc\uc9c0 \ucc98\ub9ac\ub85c \uc778\ud55c \uc608\uae30\uce58 \ubabb\ud55c \uc624\ub958\uc640 \ub370\uc774\ud130 \ubd88\uc77c\uce58\ub97c \uc608\ubc29\ud558\uace0, \ubd84\uc0b0 \uc2dc\uc2a4\ud15c\uacfc \uc774\ubca4\ud2b8 \uae30\ubc18 \uc544\ud0a4\ud14d\ucc98\uc758 \uc548\uc815\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \ud544\uc218\uc801\uc778 \uae30\uc220\uc785\ub2c8\ub2e4. \uc774 \ud328\ud134\uc744 \ud1b5\ud55c \ub370\uc774\ud130 \ubb34\uacb0\uc131 \ud655\ubcf4 \ubc0f \uc911\ubcf5 \uc81c\uac70 \uae30\ubc95\uc740 \ud5a5\ud6c4 \ud074\ub77c\uc6b0\ub4dc, \uc11c\ubc84\ub9ac\uc2a4, IoT \ub4f1 \uc804 \uc601\uc5ed\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud560 \uac83\uc774\uba70, \uc774\ub294 \ud604\uc7a5\uc5d0\uc11c\uc758 \uc131\uacf5\uc801\uc778 \uc0ac\ub840\uc640 \uc2e4\uc2dc\uac04 \ub370\uc774\ud130\ub97c \ubc14\ud0d5\uc73c\ub85c \uc9c0\uc18d\uc801\uc73c\ub85c \uc785\uc99d\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n <\/p>\n<h2 id=\"%ec%9a%94%ec%95%bd-DuqrAtlHyp\">\uc694\uc57d<\/h2>\n\n \ubcf8 \ube14\ub85c\uadf8 \uae00\uc5d0\uc11c\ub294 Idempotent Consumer \ud328\ud134\uc758 \ubcf8\uc9c8\uacfc \uadf8 \ud544\uc694\uc131\uc744 \uc2ec\ub3c4 \uc788\uac8c \ubd84\uc11d\ud558\uace0, \uc2dc\uc2a4\ud15c \uc694\uad6c\uc0ac\ud56d \ubc0f \ub2e4\uc591\ud55c \uad6c\ud604 \ubc29\ubc95\ub860, \uc2e4\uc2dc\uac04 \uc0ac\ub840 \uc5f0\uad6c\uc640 \ud65c\uc6a9 \uc804\ub7b5, \uadf8\ub9ac\uace0 \ubbf8\ub798 \uae30\uc220 \ubc1c\uc804 \ub3d9\ud5a5\uc5d0 \ub300\ud574 \uc0c1\uc138\ud558\uac8c \ub17c\uc758\ud558\uc600\uc2b5\ub2c8\ub2e4. \uac01\uac01\uc758 \uc139\uc158\uc740 \uad6c\uccb4\uc801\uc778 \uc0ac\ub840\uc640 \ucf54\ub4dc \uc608\uc81c, \uadf8\ub9ac\uace0 \uc2e4\ubb34\uc801\uc778 \uad00\uc810\uc5d0\uc11c\uc758 \ubd84\uc11d\uc744 \ud1b5\ud574 \ub3c5\uc790\ub4e4\uc5d0\uac8c \uc911\ubcf5 \uba54\uc2dc\uc9c0 \ucc98\ub9ac \ubb38\uc81c\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \ud574\uacb0\ud558\ub294 \ubc29\uc548\uc744 \uba85\ud655\ud788 \uc804\ub2ec\ud558\uace0\uc790 \ud558\uc600\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574, \ubd84\uc0b0 \uc2dc\uc2a4\ud15c \ub0b4 \ub370\uc774\ud130 \uc77c\uad00\uc131\uacfc \uc548\uc815\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 Idempotent Consumer \ud328\ud134\uc774 \uc65c \uc911\uc694\ud55c\uc9c0, \uadf8\ub9ac\uace0 \uc5b4\ub5bb\uac8c \uad6c\ud604\ub418\uace0 \ud65c\uc6a9\ub420 \uc218 \uc788\ub294\uc9c0\uc5d0 \ub300\ud574 \ud3ed\ub113\uc740 \uc774\ud574\ub97c \uc81c\uacf5\ud558\uc600\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n \uc804\uccb4 \ub0b4\uc6a9\uc740 \uae30\uc220\uc801 \uc138\ubd80 \uc0ac\ud56d\uacfc \uc2e4\uc81c \uc0ac\ub840 \ubc0f \ud1b5\uacc4 \uc790\ub8cc\ub97c \ubc14\ud0d5\uc73c\ub85c, \uc774 \ud328\ud134\uc774 \ud604\ub300 IT \uc2dc\uc2a4\ud15c\uc758 \ud575\uc2ec \uad6c\uc131 \uc694\uc18c\uc784\uc744 \ud655\uc2e4\ud788 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc911\ubcf5 \uba54\uc2dc\uc9c0 \ucc98\ub9ac \ubb38\uc81c\ub97c \uc608\ubc29\ud568\uc73c\ub85c\uc368, \uc11c\ube44\uc2a4 \uc7a5\uc560 \ubc0f \ub370\uc774\ud130 \uc624\ub958\ub97c \uc904\uc774\uace0, \uc2dc\uc2a4\ud15c\uc758 \uc2e0\ub8b0\uc131\uacfc \uace0\uac1d \ub9cc\uc871\ub3c4\ub97c \uadf9\ub300\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc640 \uac19\uc740 \uc774\uc810\uc744 \ud1b5\ud574 \uac01 \uae30\uc5c5\uc740 \uc6b4\uc601 \ud6a8\uc728\uc131\uc744 \ub192\uc774\uace0, \ube44\uc6a9 \uc808\uac10 \ud6a8\uacfc\ub97c \uadf9\ub300\ud654\ud560 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4.\n <\/p>\n\n \ucd5c\uc885\uc801\uc73c\ub85c, Idempotent Consumer \ud328\ud134\uc740 \ubcc0\ud654\ud558\ub294 IT \ud658\uacbd\uc5d0\uc11c\uc758 \ud544\uc218 \uc694\uc18c\ub85c\uc11c \ud5a5\ud6c4 \uae30\uc220 \ubc1c\uc804\uacfc \ud568\uaed8 \ub354\uc6b1 \uc911\uc694\ud574\uc9c8 \uac83\uc785\ub2c8\ub2e4. \uac1c\ubc1c\uc790, \uc544\ud0a4\ud14d\ud2b8, \uadf8\ub9ac\uace0 \uacbd\uc601\uc9c4 \ubaa8\ub450\uac00 \uc774 \ud328\ud134\uc758 \uc911\uc694\uc131\uc744 \uc778\uc2dd\ud558\uace0, \uc774\ub97c \ud1a0\ub300\ub85c \ud601\uc2e0\uc801\uc774\uace0 \uc548\uc815\uc801\uc778 \uc2dc\uc2a4\ud15c \uad6c\ucd95 \uc804\ub7b5\uc744 \ub9c8\ub828\ud574\uc57c \ud560 \ub54c\uc785\ub2c8\ub2e4.\n <\/p>\n","protected":false},"excerpt":{"rendered":"Idempotent Consumer \ud328\ud134\uc740 \ub3d9\uc77c \uba54\uc2dc\uc9c0 \uc911\ubcf5 \uc218\uc2e0 \uc2dc\uc5d0\ub3c4 \uacb0\uacfc\uc758 \uc77c\uad00\uc131\uc744 \ubcf4\uc7a5\ud574 \ub370\uc774\ud130 \ubb34\uacb0\uc131\uacfc \uc2dc\uc2a4\ud15c \uc548\uc815\uc131\uc744 \ud655\ubcf4\ud558\ub294 \uc124\uacc4 \uae30\ubc95\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":54921,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1957],"tags":[2119,2515,2162],"class_list":["post-54917","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-development","tag-api","tag-distributed","tag-event"],"acf":[],"_links":{"self":[{"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/posts\/54917","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/comments?post=54917"}],"version-history":[{"count":1,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/posts\/54917\/revisions"}],"predecessor-version":[{"id":54920,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/posts\/54917\/revisions\/54920"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/media\/54921"}],"wp:attachment":[{"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/media?parent=54917"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/categories?post=54917"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/tags?post=54917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":54917,"date":"2025-03-08T18:21:22","date_gmt":"2025-03-08T09:21:22","guid":{"rendered":"https:\/\/m9js.shop\/blog\/development\/idempotent-consumer-pattern-maintaining-consistency-of-results-when-receiving-the-same-message-multiple-times"},"modified":"2025-03-08T18:21:24","modified_gmt":"2025-03-08T09:21:24","slug":"idempotent-consumer-pattern-maintaining-consistency-of-results-when-receiving-the-same-message-multiple-times","status":"publish","type":"post","link":"https:\/\/m9js.shop\/blog\/development\/idempotent-consumer-pattern-maintaining-consistency-of-results-when-receiving-the-same-message-multiple-times","title":{"rendered":"Idempotent Consumer \ud328\ud134: \ub3d9\uc77c \uba54\uc2dc\uc9c0 \uc911\ubcf5 \uc218\uc2e0 \uc2dc \uacb0\uacfc \uc77c\uad00\uc131 \uc720\uc9c0"},"content":{"rendered":"

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\ubaa9\ucc28<\/h2>\n