Zero-downtime Migration \ud328\ud134: \uc11c\ube44\uc2a4 \uc911\ub2e8 \uc5c6\uc774 DB \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uc9c4\ud589<\/title><\/p>\n<h1 id=\"zero-downtime-migration-%ed%8c%a8%ed%84%b4-%ec%84%9c%eb%b9%84%ec%8a%a4-%ec%a4%91%eb%8b%a8-%ec%97%86%ec%9d%b4-db-%eb%a7%88%ec%9d%b4%ea%b7%b8%eb%a0%88%ec%9d%b4%ec%85%98-%ec%a7%84%ed%96%89-VVuAxxhduB\">Zero-downtime Migration \ud328\ud134: \uc11c\ube44\uc2a4 \uc911\ub2e8 \uc5c6\uc774 DB \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uc9c4\ud589<\/h1>\n<img decoding=\"async\" src=\"https:\/\/m9js.shop\/blog\/wp-content\/uploads\/2025\/03\/zero-downtime-migration-ed8ca8ed84b4-ec849cebb984ec8aa4-eca491eb8ba8-ec9786ec9db4-db-eba788ec9db4eab7b8eba088ec9db4ec8598-eca784ed9689.jpeg\" alt=\"Zero-downtime Migration \ud328\ud134: \uc11c\ube44\uc2a4 \uc911\ub2e8 \uc5c6\uc774 DB \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uc9c4\ud589\" \/><\/p>\n\ucd5c\uadfc IT \uc5c5\uacc4\uc5d0\uc11c\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4(DB) \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uacfc\uc815\uc5d0\uc11c \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \uc11c\ube44\uc2a4 \uc911\ub2e8 \ubc0f \uac00\ub3d9 \uc7a5\uc560\ub97c \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud55c \ub2e4\uc591\ud55c \uae30\ubc95\ub4e4\uc774 \uc5f0\uad6c\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. Zero-downtime Migration\uc740 \uc774\ub7ec\ud55c \uace0\ubbfc\uc758 \ud574\ub2f5 \uc911 \ud558\ub098\ub85c, \uc2dc\uc2a4\ud15c\uc758 \uc5f0\uc18d\uc131\uc774 \ucd5c\uc6b0\uc120\uc2dc \ub418\ub294 \uc2dc\ub300\uc5d0 \ud544\uc218\uc801\uc778 \ud328\ud134\uc73c\ub85c \uc790\ub9ac\ub9e4\uae40\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ubcf8 \ud3ec\uc2a4\ud2b8\uc5d0\uc11c\ub294 Zero-downtime Migration \ud328\ud134\uc758 \uae30\ubcf8 \uac1c\ub150\uacfc \ud544\uc694\uc131, \uc801\uc6a9 \uc804\ub7b5, \uc2e4\uc81c \uc0ac\ub840 \ubd84\uc11d \ubc0f \ubbf8\ub798 \uc804\ub9dd\uc5d0 \ub300\ud574 \uc2ec\ub3c4 \uc788\uac8c \ub2e4\ub8e8\uc5b4 \ubcf4\uace0\uc790 \ud569\ub2c8\ub2e4.<\/p>\n\ub300\ubd80\ubd84\uc758 \uc804\ud1b5\uc801\uc778 DB \ub9c8\uc774\uadf8\ub808\uc774\uc158\uc740 \uc2dc\uc2a4\ud15c\uc744 \uc7a0\uc2dc \uc911\uc9c0\ud55c \ud6c4\uc5d0 \uc9c4\ud589\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc5d0\uc11c \uc0ac\uc6a9\uc790\ub4e4\uc740 \ubd88\ud3b8\uc744 \uacaa\uac8c \ub418\uace0 \uc11c\ube44\uc2a4 \uc81c\uacf5\uc5c5\uccb4 \uc5ed\uc2dc \uae08\uc804\uc801 \ube44\uc6a9\uacfc \ube0c\ub79c\ub4dc \uc774\ubbf8\uc9c0 \uc190\uc2e4 \ub4f1\uc758 \uc704\ud5d8\uc5d0 \ub178\ucd9c\ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c, \ud68c\uc0ac\ub4e4\uc740 \uc5c5\ubb34 \uc5f0\uc18d\uc131\uc744 \ubcf4\uc7a5\ud558\uba74\uc11c\ub3c4 \ub370\uc774\ud130 \uc774\uc804 \ubc0f \ubcc0\ud658\uc744 \uc6d0\ud65c\ud558\uac8c \uc218\ud589\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\ub860\uc5d0 \ub300\ud55c \uc218\uc694\uac00 \uc9c0\uc18d\uc801\uc73c\ub85c \uc99d\uac00\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\nZero-downtime Migration\uc740 \uc774\ub7ec\ud55c \ubb38\uc81c\uc810\uc744 \ud574\uacb0\ud558\uae30 \uc704\ud574 \uc124\uacc4\ub41c \uae30\ubc95\uc73c\ub85c, \ubd84\uc0b0 \uc2dc\uc2a4\ud15c \ubc0f \ud074\ub77c\uc6b0\ub4dc \ud658\uacbd\uc5d0\uc11c \ud2b9\ud788 \uadf8 \ud6a8\uacfc\uac00 \uadf9\ub300\ud654\ub429\ub2c8\ub2e4. \uc774 \ud328\ud134\uc740 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \uc2a4\ud0a4\ub9c8 \ubcc0\uacbd, \ub370\uc774\ud130 \uc774\uc804, \ub370\uc774\ud130 \ub3d9\uae30\ud654 \ub4f1 \ub2e4\uc591\ud55c \uc5c5\ubb34\ub97c \uae30\uc874 \uc2dc\uc2a4\ud15c\uacfc \ubcd1\ub82c\ub85c \uc9c4\ud589\ud558\uc5ec \uc11c\ube44\uc2a4 \uc911\ub2e8 \uc5c6\uc774 \uc5c5\ub370\uc774\ud2b8\ub97c \uc218\ud589\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n\uc774 \uae00\uc5d0\uc11c\ub294 Zero-downtime Migration\uc774 \uc65c \ud544\uc694\ud55c\uc9c0, \uadf8\ub9ac\uace0 \uc774\ub97c \uc704\ud574 \uc5b4\ub5a4 \uc544\ud0a4\ud14d\ucc98\uc640 \uad6c\ud604 \uc804\ub7b5\uc774 \ub3d9\uc6d0\ub420 \uc218 \uc788\ub294\uc9c0 \uc804\ubb38\uac00\uc758 \uc2dc\uac01\uc5d0\uc11c \uc0c1\uc138\ud558\uac8c \uc0b4\ud3b4\ubd05\ub2c8\ub2e4. \ub610\ud55c, \uc2e4\uc81c \uae30\uc5c5\uc5d0\uc11c \uc131\uacf5\uc801\uc73c\ub85c \uc801\uc6a9\ub41c \uc0ac\ub840\uc640 \uadf8\uc5d0 \ub530\ub978 \ubca4\uce58\ub9c8\ud06c \ub370\uc774\ud130\ub97c \ud568\uaed8 \uc81c\uc2dc\ud558\uc5ec \ub3c5\uc790\ub4e4\uc774 \uc2e4\ubb34\uc5d0 \ubc14\ub85c \ud65c\uc6a9\ud560 \uc218 \uc788\ub294 \ub178\ud558\uc6b0\ub97c \uc804\uc218\ud558\uace0\uc790 \ud569\ub2c8\ub2e4.<\/p>\n\ud2b9\ud788 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \uae30\ubc18\uc73c\ub85c \ud558\ub294 \ubbf8\uc158 \ud06c\ub9ac\ud2f0\uceec\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uacbd\uc6b0, \ub2e4\uc6b4\ud0c0\uc784 \uc5c6\uc774 \ub370\uc774\ud130\ub97c \uc774\ub3d9\uc2dc\ud0a4\uace0 \uc2a4\ud0a4\ub9c8\ub97c \uc5c5\ub370\uc774\ud2b8\ud558\ub294 \uac83\uc740 \uae30\uc5c5 \uacbd\uc7c1\ub825 \ud655\ubcf4 \ubc0f \uc11c\ube44\uc2a4 \uc548\uc815\uc131 \ud5a5\uc0c1\uc5d0 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ubcf8\ubb38\uc5d0\uc11c\ub294 \uc774\ub97c \uc704\ud55c \uad6c\uccb4\uc801\uc778 \uc804\ub7b5\uacfc \uae30\uc220\uc801 \uc774\uc288, \uadf8\ub9ac\uace0 \ud574\uacb0 \ubc29\uc548\uc744 \uad6c\uccb4\uc801\uc73c\ub85c \ubd84\uc11d\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\uc774\ubc88 \uae00\uc740 \ud559\uc220\uc801 \ubd84\uc11d\uacfc \uc2e4\ubb34\uc801 \uacbd\ud5d8\uc744 \ubc14\ud0d5\uc73c\ub85c, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5d4\uc9c0\ub2c8\uc5b4\ubfd0 \uc544\ub2c8\ub77c DevOps, \uc778\ud504\ub77c \uad00\ub9ac\uc790 \ubc0f \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc544\ud0a4\ud14d\ud2b8 \ub4f1 \ub2e4\uc591\ud55c \ub3c5\uc790 \uce35\uc744 \ub300\uc0c1\uc73c\ub85c \uc791\uc131\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub3c5\uc790\ub4e4\uc740 Zero-downtime Migration\uc758 \uac1c\ub150\uc744 \uc774\ud574\ud558\uace0, \uc2e4\uc81c \uc5c5\ubb34\uc5d0 \uc801\uc6a9\ud558\ub294 \ubc29\ubc95\uc744 \ud130\ub4dd\ud560 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\uc6b0\uc120, Zero-downtime Migration\uc758 \uac1c\ub150\uc801 \ud2c0\uc744 \uc774\ud574\ud558\uae30 \uc704\ud574 \uae30\uc874\uc758 DB \ub9c8\uc774\uadf8\ub808\uc774\uc158 \ubc29\uc2dd\uacfc \uadf8 \ud55c\uacc4\ub97c \uc9da\uc5b4\ubcf4\uace0, \uc11c\ube44\uc2a4 \uc911\ub2e8 \uc5c6\uc774 \uc6b4\uc6a9\uc774 \uac00\ub2a5\ud55c \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uc804\ub7b5\uc758 \ud544\uc694\uc131\uc744 \uac15\uc870\ud558\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc5d0\uc11c, \ucd5c\uc2e0 \uc0b0\uc5c5 \ub3d9\ud5a5\uacfc \uae30\uc220 \ubc1c\uc804\uc5d0 \ub530\ub978 \ubcc0\ud654 \uc591\uc0c1\uc744 \uad6c\uccb4\uc801\uc778 \ud1b5\uacc4\uc640 \uc0ac\ub840\ub97c \ud1b5\ud574 \ubd84\uc11d\ud560 \uc608\uc815\uc785\ub2c8\ub2e4.<\/p>\n\ub610\ud55c, \ubcf8\ubb38\uc5d0\uc11c\ub294 \uc774\ub860\uacfc \uc2e4\ubb34 \uc0ac\uc774\uc758 \uaca9\ucc28\ub97c \ud574\uc18c\ud558\uae30 \uc704\ud574 \ub2e8\uacc4\ubcc4 \uac00\uc774\ub4dc\uc640 \ud568\uaed8 \uc2e4\uc81c \ucf54\ub4dc \uc608\uc81c, \ub3c4\uad6c \uc0ac\uc6a9\ubc95 \ubc0f \ud658\uacbd \uc124\uc815 \ubc29\ubc95 \ub4f1\uc744 \uc0c1\uc138\ud558\uac8c \uc124\uba85\ud560 \uac83\uc785\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uac1c\ubc1c\uc790\uc640 \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc740 Zero-downtime Migration \uad6c\ud604\uc5d0 \ud544\uc694\ud55c \uc2e4\uc9c8\uc801\uc778 \ub3c4\uc6c0\uc744 \ubc1b\uc744 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\ubcf8 \uae00\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 4\uac1c\uc758 \uc8fc\uc694 \uc139\uc158\uc73c\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uccab \ubc88\uc9f8 \uc139\uc158\uc5d0\uc11c\ub294 Zero-downtime Migration\uc758 \uac1c\ub150\uacfc \ud544\uc694\uc131\uc5d0 \ub300\ud574 \uc2ec\ub3c4 \uc788\uac8c \ubd84\uc11d\ud558\uba70, \ub450 \ubc88\uc9f8 \uc139\uc158\uc5d0\uc11c\ub294 \uae30\uc220\uc801 \uad6c\ud604 \uc804\ub7b5 \ubc0f \uc801\uc6a9 \ubc29\ubc95\ub860\uc5d0 \ub300\ud574 \ub17c\uc758\ud569\ub2c8\ub2e4. \uc138 \ubc88\uc9f8 \uc139\uc158\uc5d0\uc11c\ub294 \uc2e4\uc81c \uc0ac\ub840 \ubd84\uc11d\uacfc \ubca4\uce58\ub9c8\ud06c \ub370\uc774\ud130\ub97c \ud1b5\ud574 \uc131\uacf5 \uc694\uc778\uacfc \uc7a0\uc7ac\uc801 \uc704\ud5d8\uc744 \uc0b4\ud3b4\ubcf4\uace0, \ub124 \ubc88\uc9f8 \uc139\uc158\uc5d0\uc11c\ub294 \ucd5c\uc2e0 \ub3c4\uad6c \ubc0f \uae30\uc220 \uc2a4\ud0dd, \uadf8\ub9ac\uace0 \ubbf8\ub798 \uc804\ub9dd\uc744 \uc885\ud569\uc801\uc73c\ub85c \uc815\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n\uc774\ucc98\ub7fc Zero-downtime Migration \ud328\ud134\uc740 \uc624\ub298\ub0a0 \ub514\uc9c0\ud138 \ud2b8\ub79c\uc2a4\ud3ec\uba54\uc774\uc158\uacfc \ud074\ub77c\uc6b0\ub4dc \ub124\uc774\ud2f0\ube0c \ud658\uacbd \uad6c\ud604\uc5d0 \uc788\uc5b4\uc11c \ud544\uc218\uc801\uc778 \uc694\uc18c\ub85c \uc790\ub9ac \uc7a1\uace0 \uc788\uc73c\uba70, \uad00\ub828 \uae30\uc220\uc758 \ubc1c\uc804\uacfc \ud568\uaed8 \uc9c0\uc18d\uc801\uc778 \uad00\uc2ec\uacfc \uc5f0\uad6c\uac00 \ud544\uc694\ud55c \uc8fc\uc81c\uc785\ub2c8\ub2e4. \ubcf8 \uae00\uc744 \ud1b5\ud574 \ub3c5\uc790 \ubd84\ub4e4\uaed8\uc11c \uae30\uc220\uc801 \uc778\uc0ac\uc774\ud2b8\uc640 \uc2e4\ubb34\uc801 \ud301\uc744 \uc5bb\uc5b4 \uac00\uc2dc\uae38 \uae30\ub300\ud569\ub2c8\ub2e4.<\/p>\n<h2 id=\"section-1-zero-downtime-migration-%ea%b0%9c%ec%9a%94%ec%99%80-%ed%95%84%ec%9a%94%ec%84%b1-VVuAxxhduB\">Section 1: Zero-downtime Migration \uac1c\uc694\uc640 \ud544\uc694\uc131<\/h2>\nZero-downtime Migration \ud328\ud134\uc758 \uae30\ubcf8 \uac1c\ub150\uc740 \uc2dc\uc2a4\ud15c \uac00\uc6a9\uc131\uc744 \uadf9\ub300\ud654\ud558\ub294 \ub370 \ucd08\uc810\uc744 \ub9de\ucd94\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc804\ud1b5\uc801\uc778 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ub9c8\uc774\uadf8\ub808\uc774\uc158\uc740 \uc2dc\uc2a4\ud15c \uc911\ub2e8 \uc2dc\uac04 \ub3d9\uc548 \ub370\uc774\ud130 \ubcc0\ud658 \ubc0f \uc774\ub3d9 \uc791\uc5c5\uc744 \uc9c4\ud589\ud558\uc9c0\ub9cc, Zero-downtime \ubc29\uc2dd\uc740 \ubcc4\ub3c4\uc758 \uc911\ub2e8 \uc5c6\uc774 \uc2e4\uc2dc\uac04\uc73c\ub85c \ub370\uc774\ud130\ub97c \uc62e\uae30\uace0 \ub3d9\uae30\ud654\ud558\ub294 \ubc29\ubc95\ub860\uc744 \uc81c\uc2dc\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uae30\uc874 \uc11c\ube44\uc2a4\uc758 \uc5f0\uc18d\uc131\uc744 \ubcf4\uc7a5\ud558\uba70 \uace0\uac1d \uacbd\ud5d8\uc5d0 \ubd80\uc815\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\uace0 \uc2dc\uc2a4\ud15c \uac1c\uc120\uc744 \uc9c4\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\ud604\ub300\uc758 IT \uc778\ud504\ub77c\ub294 \ub300\ubd80\ubd84 \ubd84\uc0b0 \ud658\uacbd\uc5d0 \uae30\ubc18\uc744 \ub450\uace0 \uc788\uc73c\uba70, \uc0ac\uc6a9\uc790 \uc218\uc640 \ub370\uc774\ud130 \uc591\uc774 \uae30\ud558\uae09\uc218\uc801\uc73c\ub85c \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \uc804\ud1b5\uc801\uc778 \ub9c8\uc774\uadf8\ub808\uc774\uc158 \ubc29\uc2dd\uc740 \uc810\ucc28 \ud55c\uacc4\uc5d0 \ubd80\ub52a\ud788\uac8c \ub429\ub2c8\ub2e4. \uc2dc\uc7a5\uc5d0\uc11c\ub294 \ud2b9\ud788 \uae08\uc735, \uc804\uc790\uc0c1\uac70\ub798, \ud5ec\uc2a4\ucf00\uc5b4\uc640 \uac19\uc774 \ubbf8\uc158 \ud06c\ub9ac\ud2f0\uceec\ud55c \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud558\ub294 \uae30\uc5c5\ub4e4\uc774 Zero-downtime Migration \ubc29\uc2dd\uc744 \uc801\uadf9\uc801\uc73c\ub85c \ub3c4\uc785\ud558\uace0 \uc788\uc73c\uba70, \uc774\ub294 \ub2e8\uc21c\ud55c \uae30\uc220\uc801 \ubcc0\ud654 \uc774\uc0c1\uc758 \ube44\uc988\ub2c8\uc2a4 \uc804\ub7b5\uc73c\ub85c \uc790\ub9ac \uc7a1\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\ube44\uc988\ub2c8\uc2a4 \uacbd\uc7c1\ub825 \uac15\ud654\uc640 \uace0\uac1d \ub9cc\uc871\ub3c4 \uc81c\uace0 \uce21\uba74\uc5d0\uc11c \ubcfc \ub54c, \uc11c\ube44\uc2a4 \uc911\ub2e8\uc774 \uc57c\uae30\ud558\ub294 \uc190\uc2e4\uc740 \ub9e4\uc6b0 \ud07d\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \ud55c \uc5f0\uad6c\uc5d0 \ub530\ub974\uba74, \ub2e8 \uba87 \ubd84\uc758 \ub2e4\uc6b4\ud0c0\uc784\ub9cc\uc73c\ub85c\ub3c4 \uc804 \uc138\uacc4 \ub9e4\ucd9c\uc774 \uc218\ubc31\ub9cc \ub2ec\ub7ec\uc5d0 \uc774\ub97c \uc218 \uc788\uc73c\uba70, \uc2e0\ub8b0\ub3c4 \ud558\ub77d \ubc0f \uc774\ubbf8\uc9c0 \uc190\uc2e4\uc774\ub77c\ub294 \ubd80\uc815\uc801\uc778 \uacb0\uacfc\ub97c \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubb38\uc81c\uc810\uc744 \ud574\uacb0\ud558\uae30 \uc704\ud574 Zero-downtime Migration\uc740 \ud544\uc218\uc801\uc778 \uae30\uc220\uc801 \ud574\ubc95\uc73c\ub85c \ubd80\uc0c1\ud558\uc600\uc2b5\ub2c8\ub2e4.<\/p>\n\ub610\ud55c, \ud074\ub77c\uc6b0\ub4dc \ud658\uacbd\uacfc \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \uc544\ud0a4\ud14d\ucc98\uc758 \ud655\uc0b0\uc740 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ub9c8\uc774\uadf8\ub808\uc774\uc158 \ud328\ud134\uc5d0 \uc0c8\ub85c\uc6b4 \ub3c4\uc804\uc744 \uc81c\uc2dc\ud569\ub2c8\ub2e4. \uc804\ud1b5\uc801\uc778 \uc811\uadfc \ubc29\uc2dd\uc740 \ub2e8\uc77c \ubaa8\ub180\ub9ac\ud2f1 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ucd08\uc810\uc744 \ub9de\ucd94\uc5c8\uc73c\ub098, \ud604\uc7ac\uc758 \ubd84\uc0b0\ud615 \uc2dc\uc2a4\ud15c\uc740 \uc11c\ub85c \ub2e4\ub978 \ub370\uc774\ud130 \uc800\uc7a5\uc18c \uac04\uc758 \ud1b5\ud569\uacfc \uc2e4\uc2dc\uac04 \ub370\uc774\ud130 \ub3d9\uae30\ud654\uac00 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774\ub54c Zero-downtime Migration\uc740 \uac01 \ub178\ub4dc \uac04\uc758 \ub370\uc774\ud130 \uc77c\uad00\uc131\uc744 \ubcf4\uc7a5\ud558\uace0, \ubd84\uc0b0 \ud2b8\ub79c\uc7ad\uc158 \ucc98\ub9ac\ub97c \uc6d0\ud65c\ud558\uac8c \uc218\ud589\ud560 \uc218 \uc788\ub3c4\ub85d \ud558\ub294 \uae30\uc220\uc801 \uae30\ubc18\uc744 \ub9c8\ub828\ud574 \uc90d\ub2c8\ub2e4.<\/p>\nZero-downtime Migration\uc744 \uad6c\ud604\ud558\uae30 \uc704\ud55c \uc8fc\uc694 \uae30\uc220\uc801 \uad6c\uc131\uc694\uc18c\uc5d0\ub294 \ub370\uc774\ud130 \ubcf5\uc81c, \uc2a4\ud0a4\ub9c8 \ub3d9\uae30\ud654, \uadf8\ub9ac\uace0 \ubb34\uc911\ub2e8 \ub370\uc774\ud130 \uc804\ud658 \uae30\ubc95 \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub370\uc774\ud130 \ubcf5\uc81c \uae30\uc220\uc740 \uae30\uc874 \ub370\uc774\ud130\uc640 \uc2e0\uaddc \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uac04\uc758 \uc2e4\uc2dc\uac04 \ub3d9\uae30\ud654\ub97c \uac00\ub2a5\ud558\uac8c \ud558\uba70, \uc774\ub97c \ud1b5\ud574 \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uc911\uc5d0\ub3c4 \ub370\uc774\ud130 \uc77c\uad00\uc131\uacfc \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uae30\uc220\ub4e4\uc740 \ubcf5\uc7a1\ud55c \ud2b8\ub79c\uc7ad\uc158 \ud658\uacbd\uc5d0\uc11c\ub3c4 \uc548\uc815\uc801\uc778 \uc11c\ube44\uc2a4\ub97c \ubcf4\uc7a5\ud560 \uc218 \uc788\ub3c4\ub85d \ub3d5\uc2b5\ub2c8\ub2e4.<\/p>\n\ucd5c\uadfc\uc758 \uc0ac\ub840\ub97c \ubcf4\uba74, Facebook, Netflix \ub4f1 \uae00\ub85c\ubc8c IT \uae30\uc5c5\ub4e4\uc774 Zero-downtime Migration \uc804\ub7b5\uc744 \ucc44\ud0dd\ud558\uc5ec \ub300\uaddc\ubaa8 \uc2dc\uc2a4\ud15c \uc5c5\ub370\uc774\ud2b8\ub97c \uc131\uacf5\uc801\uc73c\ub85c \uc218\ud589\ud55c \ubc14 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub4e4\uc740 \ubd84\uc0b0 \ud30c\uc77c \uc2dc\uc2a4\ud15c\uacfc \uace0\uae09 \ub370\uc774\ud130 \ub3d9\uae30\ud654 \ud504\ub85c\ud1a0\ucf5c\uc744 \ud65c\uc6a9\ud558\uc5ec, \uc11c\ube44\uc2a4\uc758 \uc548\uc815\uc131\uacfc \ud655\uc7a5\uc131\uc744 \ub3d9\uc2dc\uc5d0 \ud655\ubcf4\ud558\uc600\uc2b5\ub2c8\ub2e4. \uc774\uc640 \uac19\uc740 \uc0ac\ub840 \uc5f0\uad6c\ub294 Zero-downtime Migration \uae30\uc220\uc758 \uc2e4\ud6a8\uc131\uc744 \uc785\uc99d\ud558\ub294 \uc911\uc694\ud55c \uc99d\uac70\ub85c \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\ub610\ud55c, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uc2dc \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \uc5ec\ub7ec \uc704\ud5d8 \uc694\uc18c\ub4e4\uc744 \uc0ac\uc804\uc5d0 \ucc28\ub2e8\ud560 \uc218 \uc788\ub2e4\ub294 \uc810 \uc5ed\uc2dc Zero-downtime \ubc29\uc2dd\uc758 \ud070 \uc7a5\uc810\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc2a4\ud0a4\ub9c8 \ubcc0\uacbd\uc5d0 \ub530\ub978 \uc608\uc0c1\uce58 \ubabb\ud55c \uc7a5\uc560\ub098 \ub370\uc774\ud130 \ubd88\uc77c\uce58 \ubb38\uc81c\ub97c \ubbf8\uc5f0\uc5d0 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ud14c\uc2a4\ud2b8 \ud658\uacbd\uacfc \ud504\ub85c\ub355\uc158 \ud658\uacbd \uac04\uc758 \ub3d9\uae30\ud654 \uc804\ub7b5\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc804\ub7b5\uc740 \uc0ac\uc804 \uac80\uc99d \ud504\ub85c\uc138\uc2a4\uc640 \ub2e8\uacc4\uc801 \ubc30\ud3ec \uae30\ubc95\uc744 \ud1b5\ud574 \uad6c\ud604\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\nZero-downtime Migration\uc758 \ud544\uc694\uc131\uc740 \ub2e8\uc21c\ud788 \uae30\uc220\uc801 \uc774\uc288\ubfd0\ub9cc \uc544\ub2c8\ub77c \ube44\uc988\ub2c8\uc2a4 \uc5f0\uc18d\uc131\uc744 \uc720\uc9c0\ud558\ub294 \uc885\ud569\uc801\uc778 \uc811\uadfc \ubc29\uc2dd\uc73c\ub85c \ud655\uc7a5\ub429\ub2c8\ub2e4. \uc2dc\uc2a4\ud15c \uc6b4\uc601 \uc911 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \uc758\ub3c4\uce58 \uc54a\uc740 \uc7a5\uc560\ub97c \ucd5c\uc18c\ud654\ud558\uace0, \ub370\uc774\ud130 \uc774\uc804 \uacfc\uc815\uc5d0\uc11c\uc758 \uc624\ub958 \ubc0f \uac00\uc6a9\uc131 \ubb38\uc81c\ub97c \uc608\ubc29\ud558\ub294 \uac83\uc740 \uace7 \uae30\uc5c5\uc758 \uc2e0\ub8b0\ub3c4\uc640 \uc9c1\uc811\uc801\uc73c\ub85c \uc5f0\uacb0\ub429\ub2c8\ub2e4. \ud2b9\ud788, \uc2e4\uc2dc\uac04 \uae08\uc735 \uac70\ub798\ub098 \uc758\ub8cc \uc815\ubcf4 \uc11c\ube44\uc2a4\uc640 \uac19\uc774 \ub370\uc774\ud130\uc758 \uc815\ud655\uc131\uacfc \uc2e0\uc18d\uc131\uc774 \uc911\uc694\ud55c \ubd84\uc57c\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c \uae30\uc220\uc801 \uac1c\uc120\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n\uc774\uc640 \uac19\uc740 \uae30\uc220 \ub3c4\uc785\uc740 \ub2e8\uae30\uc801\uc778 \ube44\uc6a9 \uc808\uac10\uc744 \ub118\uc5b4\uc11c \uc7a5\uae30\uc801\uc778 \uc6b4\uc601 \uc548\uc815\uc131\uacfc \ud6a8\uc728\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uae30\uc5c5\ub4e4\uc740 \ucd08\uae30 \ud22c\uc790 \ube44\uc6a9\uacfc \uae30\uc220 \ud559\uc2b5 \uace1\uc120\uc744 \uace0\ub824\ud558\ub354\ub77c\ub3c4, \uc11c\ube44\uc2a4 \uc911\ub2e8\uc744 \ud1b5\ud55c \uae30\ud68c \ube44\uc6a9, \uace0\uac1d \uc774\ud0c8 \ubc0f \ube0c\ub79c\ub4dc \uc774\ubbf8\uc9c0 \ud6fc\uc190 \ub4f1\uc758 \uc190\uc2e4\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\ub294 \uc774\uc810\uc744 \uac10\uc548\ud560 \ub54c Zero-downtime Migration \uc804\ub7b5\uc5d0 \ub9e4\ub825\uc744 \ub290\ub07c\uac8c \ub429\ub2c8\ub2e4.<\/p>\n\ub9c8\uc9c0\ub9c9\uc73c\ub85c, Zero-downtime Migration\uc740 \ub2e8\uc21c\ud55c \uae30\uc220 \ub3c4\uad6c \uc774\uc0c1\uc758 \uc758\ubbf8\ub97c \uc9c0\ub2d9\ub2c8\ub2e4. \uc774\ub294 \uc870\uc9c1\uc758 \uc6b4\uc601 \ucca0\ud559\uacfc \ubb38\ud654, \uadf8\ub9ac\uace0 \uc9c0\uc18d\uc801\uc778 \ud601\uc2e0\uc744 \ucd94\uad6c\ud558\ub294 \ube44\uc988\ub2c8\uc2a4 \uc804\ub7b5\uacfc \uae4a\uc774 \uc5f0\uad00\ub418\uc5b4 \uc788\uc73c\uba70, \uace0\uac1d \uc2e0\ub8b0\uc640 \ub370\uc774\ud130 \uc548\uc815\uc131\uc744 \ucd5c\uc6b0\uc120\uc73c\ub85c \uace0\ub824\ud558\ub294 \ud604\ub300 \uae30\uc5c5\ub4e4\uc5d0\uac8c \ubc18\ub4dc\uc2dc \ud544\uc694\ud55c \uc694\uc18c\ub85c \uc790\ub9ac\uc7a1\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ubcf8 \uc139\uc158\uc5d0\uc11c \ub2e4\ub8e8\uc5c8\ub358 \ub2e4\uc591\ud55c \uae30\uc220\uc801 \ubc0f \ube44\uc988\ub2c8\uc2a4\uc801 \uc694\uc778\ub4e4\uc774 \ubc14\ub85c Zero-downtime Migration \ucc44\ud0dd\uc758 \ud544\uc694\uc131\uc744 \uba85\ud655\ud558\uac8c \ubcf4\uc5ec\uc8fc\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2 id=\"section-2-zero-downtime-migration-%ec%a0%81%ec%9a%a9-%ec%a0%84%eb%9e%b5-%eb%b0%8f-%ea%b5%ac%ed%98%84-%eb%b0%a9%eb%b2%95-VVuAxxhduB\">Section 2: Zero-downtime Migration \uc801\uc6a9 \uc804\ub7b5 \ubc0f \uad6c\ud604 \ubc29\ubc95<\/h2>\nZero-downtime Migration\uc744 \uc2e4\uc81c \uc801\uc6a9\ud558\uae30 \uc704\ud574\uc11c \uae30\uc5c5\ub4e4\uc740 \uc5ec\ub7ec \uac00\uc9c0 \uc804\ub7b5\uc801 \uc811\uadfc \ubc29\ubc95\uc744 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \ubcf8 \uc139\uc158\uc5d0\uc11c\ub294 \uc804\ub7b5\uc744 \uc218\ub9bd\ud558\ub294 \uc804\ubc18\uc801\uc778 \uacfc\uc815\uacfc \uc774\ub97c \uad6c\ud604\ud558\uae30 \uc704\ud55c \uad6c\uccb4\uc801\uc778 \uae30\uc220\ub4e4\uc744 \uc0c1\uc138\ud558\uac8c \ub17c\uc758\ud558\uace0\uc790 \ud569\ub2c8\ub2e4. \uccab \ub2e8\uacc4\ub85c, \ud604\uc7ac \uc2dc\uc2a4\ud15c\uc758 \uc544\ud0a4\ud14d\ucc98 \ubd84\uc11d\uc744 \ud1b5\ud574 \ub9c8\uc774\uadf8\ub808\uc774\uc158 \ub300\uc0c1 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ud2b9\uc131\uacfc \ub370\uc774\ud130 \ud750\ub984\uc744 \uba74\ubc00\ud788 \ud30c\uc545\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n\uc2e4\uc81c \ub9c8\uc774\uadf8\ub808\uc774\uc158\uc744 \uc218\ud589\ud558\ub294 \ub370 \uc788\uc5b4\uc11c, \ub370\uc774\ud130 \ub3d9\uae30\ud654 \ubc0f \ubcf5\uc81c \uae30\ubc95\uc740 \ud575\uc2ec\uc801\uc778 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uae30\ubcf8\uc801\uc73c\ub85c\ub294 \uae30\uc874 \ub370\uc774\ud130\uc640 \uc2e0\uaddc \ub370\uc774\ud130 \uc800\uc7a5\uc18c \uac04\uc758 \uc9c0\uc18d\uc801\uc778 \ub3d9\uae30\ud654\ub97c \uc704\ud574 CDC(Change Data Capture) \uae30\uc220\uc744 \ud65c\uc6a9\ud558\uba70, \uc774\ub294 \uc774\ubca4\ud2b8 \uae30\ubc18 \ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778\uc744 \uad6c\uc131\ud558\ub294 \ub370 \ud070 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. CDC\ub294 \ub370\uc774\ud130 \ubcc0\uacbd \uc0ac\ud56d\uc744 \uc2e4\uc2dc\uac04\uc73c\ub85c \uac10\uc9c0\ud558\uc5ec \ubcf5\uc81c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \uac15\ub825\ud55c \ub3c4\uad6c\ub85c \ud3c9\uac00\ubc1b\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\ub610\ud55c, \uc2a4\ud0a4\ub9c8 \ub9c8\uc774\uadf8\ub808\uc774\uc158\uc758 \uacbd\uc6b0, \ub2e8\uacc4\uc801\uc73c\ub85c \ubcc0\uacbd\uc0ac\ud56d\uc744 \uc801\uc6a9\ud558\ub294 \uadf8\ub9b0 \ubc30\ud3ec(Blue\/Green Deployment) \ubc29\uc2dd\uc774\ub098 \uce74\ub098\ub9ac\uc544 \ubc30\ud3ec(Canary Deployment) \ubc29\uc2dd\uc744 \ub3c4\uc785\ud568\uc73c\ub85c\uc368, \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uacfc\uc815 \uc911 \uc608\uae30\uce58 \uc54a\uc740 \uc624\ub958 \ubc1c\uc0dd \uc2dc \ube60\ub974\uac8c \ub864\ubc31\ud560 \uc218 \uc788\ub294 \uc2dc\uc2a4\ud15c\uc744 \ub9c8\ub828\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc804\ub7b5\uc740 \uc0ac\uc6a9\uc790\uc5d0\uac8c \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \ucd5c\uc18c\ud654\ud558\ub294 \ub3d9\uc2dc\uc5d0, \ub370\uc774\ud130\uc758 \uc77c\uad00\uc131\uacfc \uc548\uc815\uc131\uc744 \ud655\ubcf4\ud560 \uc218 \uc788\ub3c4\ub85d \ub3c4\uc640\uc90d\ub2c8\ub2e4.<\/p>\n\uc804\ub7b5 \uc218\ub9bd \uc2dc \uace0\ub824\ud574\uc57c \ud560 \ub610 \ub2e4\ub978 \uc911\uc694\ud55c \uc694\uc18c\ub294 \uc2dc\uc2a4\ud15c \uac04 \uc778\ud130\ud398\uc774\uc2a4\uc640 API\uc758 \ud638\ud658\uc131\uc785\ub2c8\ub2e4. \uc11c\ube44\uc2a4 \uac04 \uc758\uc874\uc131\uc774 \ub192\uc740 \ud658\uacbd\uc5d0\uc11c\ub294 API \ubc84\uc804 \uad00\ub9ac \ubc0f \uc778\ud130\ud398\uc774\uc2a4 \ud638\ud658\uc131 \uc720\uc9c0\uac00 \ud575\uc2ec \uc774\uc288\ub85c \ubd80\uac01\ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c, \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uacfc\uc815\uc5d0 \uc55e\uc11c API \uac8c\uc774\ud2b8\uc6e8\uc774 \ubc0f \uc11c\ube44\uc2a4 \ub514\uc2a4\ucee4\ubc84\ub9ac \uba54\ucee4\ub2c8\uc998\uc744 \uc7ac\uc815\ube44\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n\ub2e4\uc74c\uc73c\ub85c, \uc2e4\uc81c \uad6c\ud604 \ub2e8\uacc4\uc5d0\uc11c\ub294 \ub2e4\uc591\ud55c \ub3c4\uad6c\uc640 \ud504\ub808\uc784\uc6cc\ud06c\ub97c \ud65c\uc6a9\ud558\uc5ec \uc790\ub3d9\ud654\ub41c \ub9c8\uc774\uadf8\ub808\uc774\uc158 \ud30c\uc774\ud504\ub77c\uc778\uc744 \uad6c\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, Flyway\ub098 Liquibase\uc640 \uac19\uc740 DB \ub9c8\uc774\uadf8\ub808\uc774\uc158 \ub3c4\uad6c\ub294 \uc2a4\ud06c\ub9bd\ud2b8 \uae30\ubc18\uc758 \uc2a4\ud0a4\ub9c8 \ubcc0\ud658\uc744 \uc9c0\uc6d0\ud558\uba70, \uc774\ub97c \ud1b5\ud574 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ubc84\uc804 \uad00\ub9ac\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c, Apache Kafka\uc640 \uac19\uc740 \uc2a4\ud2b8\ub9ac\ubc0d \ud50c\ub7ab\ud3fc\uc744 \uc0ac\uc6a9\ud558\uba74, \ub300\uc6a9\ub7c9\uc758 \uc2e4\uc2dc\uac04 \ub370\uc774\ud130 \ubcc0\uacbd \uc0ac\ud56d\uc744 \uc548\uc815\uc801\uc73c\ub85c \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\uc544\ub798\ub294 \ub370\uc774\ud130 \ub3d9\uae30\ud654 \ubc0f \uc2a4\ud0a4\ub9c8 \ub9c8\uc774\uadf8\ub808\uc774\uc158\uc744 \uc704\ud55c \uac04\ub2e8\ud55c \ucf54\ub4dc \uc608\uc81c\uc785\ub2c8\ub2e4. \uc774 \uc608\uc81c\uc5d0\uc11c\ub294 Python\uc744 \uc0ac\uc6a9\ud558\uc5ec CDC \uc774\ubca4\ud2b8\ub97c \uc218\uc2e0\ud558\uace0, \uc774\ub97c \uae30\ubc18\uc73c\ub85c \ub370\uc774\ud130 \uc5c5\ub370\uc774\ud2b8\ub97c \uc218\ud589\ud558\ub294 \ub85c\uc9c1\uc744 \uad6c\ud604\ud574 \ubcf4\uc558\uc2b5\ub2c8\ub2e4.<\/p>\n<pre><code>import json\nimport time\nimport psycopg2\n\ndef connect_db():\n conn = psycopg2.connect(\n host=\"localhost\",\n port=5432,\n database=\"target_db\",\n user=\"dbuser\",\n password=\"dbpassword\"\n )\n return conn\n\ndef process_event(event):\n # JSON \uc774\ubca4\ud2b8 \ud30c\uc2f1\n data = json.loads(event)\n # \ub370\uc774\ud130 \ubcc0\ud654\uc5d0 \ub530\ub978 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5c5\ub370\uc774\ud2b8 \ub85c\uc9c1 \uad6c\ud604\n query = \"UPDATE target_table SET column1 = %s WHERE id = %s;\"\n return query, (data[\"new_value\"], data[\"id\"])\n\ndef main():\n conn = connect_db()\n cursor = conn.cursor()\n # CDC \uc774\ubca4\ud2b8 \uc2a4\ud2b8\ub9bc \ubaa8\uc758 \uc218\uc2e0. \uc2e4\uc81c \uc6b4\uc601 \ud658\uacbd\uc5d0\uc11c\ub294 Kafka, RabbitMQ \ub4f1\uc744 \ud65c\uc6a9\ud569\ub2c8\ub2e4.\n while True:\n # \uc608\uc2dc \uc774\ubca4\ud2b8 \uc218\uc2e0\n event = '{\"id\": 1, \"new_value\": \"updated_data\"}'\n query, params = process_event(event)\n cursor.execute(query, params)\n conn.commit()\n time.sleep(1)\n\nif __name__ == \"__main__\":\n main()<\/code><\/pre>\n\uc704 \ucf54\ub4dc \uc608\uc81c\ub294 \ub2e8\uc21c\ud654\ub41c \ubc84\uc804\uc774\uc9c0\ub9cc, \uc2e4\uc81c \ud658\uacbd\uc5d0\uc11c\ub294 \uc5d0\ub7ec \ud578\ub4e4\ub9c1, \ud2b8\ub79c\uc7ad\uc158 \uad00\ub9ac, \uadf8\ub9ac\uace0 \ubd84\uc0b0 \uc2dc\uc2a4\ud15c \ud658\uacbd\uc5d0 \ub9de\ucd98 \ud655\uc7a5 \uae30\ub2a5\uc774 \ucd94\uac00\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uac04 \ub3d9\uae30\ud654\ub97c \uc6d0\ud65c\ud558\uac8c \uc9c4\ud589\ud558\uace0, \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uacfc\uc815 \uc911 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \ub370\uc774\ud130 \ubd88\uc77c\uce58 \ubb38\uc81c\ub97c \uc608\ubc29\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\uad6c\ud604 \uc804\ub7b5\uc758 \ub610 \ub2e4\ub978 \ud575\uc2ec\uc740 \ubaa8\ub2c8\ud130\ub9c1\uacfc \ub85c\uae45 \uc2dc\uc2a4\ud15c\uc785\ub2c8\ub2e4. \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uacfc\uc815\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \ubaa8\ub4e0 \uc774\ubca4\ud2b8\ub97c \ucd94\uc801\ud558\uae30 \uc704\ud574 ELK Stack(Elasticsearch, Logstash, Kibana) \ub4f1\uacfc \uac19\uc740 \ub3c4\uad6c\ub97c \ud65c\uc6a9\ud558\uc5ec \uc2e4\uc2dc\uac04 \ubaa8\ub2c8\ud130\ub9c1 \ud658\uacbd\uc744 \uad6c\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574, \ubb38\uc81c \ubc1c\uc0dd \uc2dc \uc2e0\uc18d\ud558\uac8c \uc6d0\uc778\uc744 \uc9c4\ub2e8\ud558\uace0 \uc870\uce58\ub97c \ucde8\ud560 \uc218 \uc788\uc73c\uba70, \uc2dc\uc2a4\ud15c \uc548\uc815\uc131\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\ub610\ud55c, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ub9c8\uc774\uadf8\ub808\uc774\uc158\uc740 \uc5ec\ub7ec \ub2e8\uacc4\uc758 \uac80\uc99d \uacfc\uc815\uc744 \ud3ec\ud568\ud574\uc57c \ud569\ub2c8\ub2e4. \ucd08\uae30 \ud14c\uc2a4\ud2b8 \ud658\uacbd\uc5d0\uc11c\uc758 \uc0ac\uc804 \uac80\uc99d, \uc2a4\ud14c\uc774\uc9d5 \ud658\uacbd\uc5d0\uc11c\uc758 \ubaa8\uc758 \uc6b4\uc601, \uadf8\ub9ac\uace0 \uc2e4\uc81c \ud504\ub85c\ub355\uc158 \ud658\uacbd\uc5d0\uc11c\uc758 \uc810\uc9c4\uc801 \ub864\uc544\uc6c3 \uc804\ub7b5\uc744 \uacb0\ud569\ud568\uc73c\ub85c\uc368, \uac01 \ub2e8\uacc4\uc5d0\uc11c \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \uc704\ud5d8 \uc694\uc778\uc744 \uc0ac\uc804\uc5d0 \uc81c\uac70\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ub2e8\uacc4\uc801 \uc811\uadfc\ubc95\uc740 \ud2b9\ud788 \ub300\uaddc\ubaa8 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \ud544\uc218\uc801\uc778 \uc694\uc18c\uc785\ub2c8\ub2e4.<\/p>\nZero-downtime Migration \uc804\ub7b5 \uc218\ub9bd \uc2dc, \ub2e4\uc74c\uacfc \uac19\uc740 \uace0\ub824 \uc0ac\ud56d\ub4e4\uc774 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\ub370\uc774\ud130 \uc77c\uad00\uc131 \ud655\ubcf4: \ub370\uc774\ud130\uc758 \ubcf5\uc81c \ubc0f \ub3d9\uae30\ud654 \uacfc\uc815\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc9c0\uc5f0 \ubc0f \ubcc0\ud615\uc744 \ucd5c\uc18c\ud654<\/li>\n<li>\uc2a4\ud0a4\ub9c8 \ubcc0\uacbd \uad00\ub9ac: \uae30\uc874 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uacfc\uc758 \ud638\ud658\uc131\uc744 \uc720\uc9c0\ud558\uba74\uc11c \uc2a4\ud0a4\ub9c8 \ubcc0\uacbd \uc801\uc6a9<\/li>\n<li>\uc5d0\ub7ec \ubc0f \uc7a5\uc560 \ub300\ube44: \ub864\ubc31 \uc804\ub7b5\uacfc \uc790\ub3d9 \ubcf5\uad6c \uae30\ub2a5 \ub9c8\ub828<\/li>\n<li>\uc2e4\uc2dc\uac04 \ubaa8\ub2c8\ud130\ub9c1: \ubcc0\ud654\ud558\ub294 \ud658\uacbd\uc5d0 \uc989\uac01 \ub300\uc751\ud560 \uc218 \uc788\ub294 \ubaa8\ub2c8\ud130\ub9c1 \uccb4\uacc4 \uad6c\ucd95<\/li>\n<li>\ubcf4\uc548 \ubc0f \uc811\uadfc \uc81c\uc5b4: \ub370\uc774\ud130 \uc774\uc804 \uacfc\uc815\uc5d0\uc11c\uc758 \ubcf4\uc548 \ucde8\uc57d\uc810 \uad00\ub9ac<\/li>\n<\/ul>\n\uc774\uc640 \uac19\uc740 \uac80\ud1a0\ub97c \ud1b5\ud574, \uae30\uc5c5\uc740 Zero-downtime Migration\uc758 \ubaa8\ub4e0 \ub2e8\uacc4\uc5d0\uc11c \ucd5c\uc801\uc758 \uc804\ub7b5\uc744 \uc218\ub9bd\ud558\uace0, \uad81\uadf9\uc801\uc73c\ub85c \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc911\ub2e8 \uc5c6\ub294 \uc6d0\ud65c\ud55c \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub098\uc544\uac00, \uc790\ub3d9\ud654\ub41c \ud30c\uc774\ud504\ub77c\uc778 \uad6c\ucd95\uacfc \uc2e4\uc2dc\uac04 \ubaa8\ub2c8\ud130\ub9c1 \ub3c4\uad6c\uc758 \ub3c4\uc785\uc740 \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uc791\uc5c5\uc758 \uc2e0\ub8b0\uc131\uacfc \ud6a8\uc728\uc131\uc744 \uadf9\ub300\ud654\ud558\ub294 \ub370 \uae30\uc5ec\ud569\ub2c8\ub2e4.<\/p>\n\ub9c8\uc9c0\ub9c9\uc73c\ub85c, Zero-downtime Migration\uc758 \uad6c\ud604\uc740 \ub2e8\uc77c \uae30\uc220\uc758 \ubb38\uc81c\uac00 \uc544\ub2c8\ub77c \uc870\uc9c1 \uc804\uccb4\uc758 \ud611\uc5c5\uacfc \ud504\ub85c\uc138\uc2a4 \uac1c\uc120\uc774 \uc218\ubc18\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uac1c\ubc1c\uc790, DBA, \uc6b4\uc601\ud300\uc740 \uae34\ubc00\ud55c \ud611\ub825\uc744 \ud1b5\ud574 \uac01\uc790\uc758 \uc5ed\ud560\uc5d0 \ub9de\ub294 \uac80\uc99d \ubc0f \ubc30\ud3ec \uacfc\uc815\uc744 \ub9c8\ub828\ud558\uace0, \uac00\ub2a5\ud55c \ubaa8\ub4e0 \uc2dc\ub098\ub9ac\uc624\ub97c \uace0\ub824\ud55c \ub300\uc751 \uc804\ub7b5\uc744 \uc218\ub9bd\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc608\uc0c1\uce58 \ubabb\ud55c \uc7a5\uc560 \ubc0f \ub370\uc774\ud130 \ubd88\uc77c\uce58 \ubb38\uc81c\ub97c \ucd5c\uc18c\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\uc55e\uc73c\ub85c\uc758 \uae30\uc220 \ubc1c\uc804\uacfc \ub354\ubd88\uc5b4, Zero-downtime Migration \uc804\ub7b5\uc740 \ud074\ub77c\uc6b0\ub4dc \ub124\uc774\ud2f0\ube0c \uc2dc\ub300\uc5d0 \ub354\uc6b1 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud560 \uac83\uc73c\ub85c \uc804\ub9dd\ub429\ub2c8\ub2e4. \uc870\uc9c1 \ub0b4\uc5d0\uc11c \uc774\ub7ec\ud55c \uc804\ub7b5\uc744 \uc131\uacf5\uc801\uc73c\ub85c \uad6c\ud604\ud558\ub294 \uae30\uc5c5\ub4e4\uc740 \uacbd\uc7c1\uc5d0\uc11c \uc6b0\uc704\ub97c \uc810\ud558\uac8c \ub420 \uac83\uc774\uba70, \uc774\ub294 \ud5a5\ud6c4 \ub2e4\uc591\ud55c \ub9c8\uc774\uadf8\ub808\uc774\uc158 \ub3c4\uad6c\uc640 \uae30\uc220\uc774 \ub4f1\uc7a5\ud558\ub294 \ubc30\uacbd\uc774 \ub420 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<h2 id=\"section-3-zero-downtime-migration-%ec%82%ac%eb%a1%80-%eb%b6%84%ec%84%9d-%eb%b0%8f-%eb%b2%a4%ec%b9%98%eb%a7%88%ed%81%ac-VVuAxxhduB\">Section 3: Zero-downtime Migration \uc0ac\ub840 \ubd84\uc11d \ubc0f \ubca4\uce58\ub9c8\ud06c<\/h2>\nZero-downtime Migration \uc804\ub7b5\uc758 \ud6a8\uacfc\uc131\uc744 \ubcf4\ub2e4 \uba85\ud655\ud558\uac8c \uc774\ud574\ud558\uae30 \uc704\ud574, \uc2e4\uc81c \uae30\uc5c5\ub4e4\uc758 \uc801\uc6a9 \uc0ac\ub840\uc640 \ubca4\uce58\ub9c8\ud06c \ub370\uc774\ud130\ub97c \uba74\ubc00\ud788 \uc0b4\ud3b4\ubcfc \ud544\uc694\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc139\uc158\uc5d0\uc11c\ub294 \uae00\ub85c\ubc8c IT \uae30\uc5c5 \ubc0f \uae08\uc735\uad8c, \uc804\uc790\uc0c1\uac70\ub798 \ub4f1 \ub2e4\uc591\ud55c \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c Zero-downtime Migration\uc744 \uc5b4\ub5bb\uac8c \ub3c4\uc785\ud558\uc600\ub294\uc9c0\uc5d0 \ub300\ud55c \ub2e4\uc591\ud55c \uc0ac\ub840 \uc5f0\uad6c\ub97c \uc81c\uc2dc\ud558\uace0, \uadf8 \uc131\uacfc\ub97c \ud1b5\uacc4 \ubc0f \uc2e4\uc9c8\uc801 \uc218\uce58\uc640 \ud568\uaed8 \ubd84\uc11d\ud569\ub2c8\ub2e4.<\/p>\n\uccab \ubc88\uc9f8 \uc0ac\ub840\ub294 \uae00\ub85c\ubc8c \ubbf8\ub514\uc5b4 \uae30\uc5c5 A\uc0ac\uc758 \uc0ac\ub840\uc785\ub2c8\ub2e4. A\uc0ac\ub294 \uc804\ud1b5\uc801\uc778 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ub9c8\uc774\uadf8\ub808\uc774\uc158 \ubc29\uc2dd\uc73c\ub85c \uc778\ud574 \uba87 \ucc28\ub840\uc758 \uc11c\ube44\uc2a4 \uc911\ub2e8\uc744 \uacbd\ud5d8\ud558\uc600\uace0, \uc774\ub85c \uc778\ud574 \ub9e4\ucd9c \uc190\uc2e4\uacfc \uace0\uac1d \ubd88\ub9cc\uc774 \uc99d\uac00\ud558\uc600\uc2b5\ub2c8\ub2e4. \uc774\uc5d0 A\uc0ac\ub294 Zero-downtime Migration \uc804\ub7b5\uc744 \ub3c4\uc785\ud558\uae30\ub85c \uacb0\uc815\ud558\uace0, \uc804\ub2f4 \ud300\uc744 \uad6c\uc131\ud558\uc5ec \ub370\uc774\ud130 \ubcf5\uc81c\uc640 \uc2a4\ud0a4\ub9c8 \ubcc0\uacbd, \uadf8\ub9ac\uace0 \uc2e4\uc2dc\uac04 \ubaa8\ub2c8\ud130\ub9c1 \uc2dc\uc2a4\ud15c\uc744 \uad6c\ucd95\ud558\uc600\uc2b5\ub2c8\ub2e4. \ud504\ub85c\uc81d\ud2b8 \ucd08\uae30 \ub2e8\uacc4\uc5d0\uc11c\ub294 \uc791\uc740 \uaddc\ubaa8\uc758 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ubd80\ud130 \uc2dc\uc791\ud558\uc5ec \uc810\uc9c4\uc801\uc73c\ub85c \uc2dc\uc2a4\ud15c \uc804\uccb4\ub85c \ud655\uc7a5\ud558\ub294 \ub2e8\uacc4\uc801 \uc811\uadfc \ubc29\uc2dd\uc744 \ucde8\ud558\uc600\uc2b5\ub2c8\ub2e4.<\/p>\nA\uc0ac\ub294 CDC(Change Data Capture) \ubc0f \uc774\ubca4\ud2b8 \uc2a4\ud2b8\ub9ac\ubc0d \uae30\uc220\uc744 \ud65c\uc6a9\ud558\uc5ec, \uae30\uc874 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640 \uc2e0\uaddc \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uac04\uc758 \uc2e4\uc2dc\uac04 \ub3d9\uae30\ud654\ub97c \uc131\uacf5\uc801\uc73c\ub85c \uad6c\ud604\ud558\uc600\uc2b5\ub2c8\ub2e4. \ud2b9\ud788, Apache Kafka\uc640 \uac19\uc740 \ubd84\uc0b0 \uba54\uc2dc\uc9c0 \ud050 \uc2dc\uc2a4\ud15c\uc744 \ub3c4\uc785\ud568\uc73c\ub85c\uc368 \ub370\uc774\ud130 \uc804\uc1a1 \uc9c0\uc5f0 \uc2dc\uac04\uc744 \ud3c9\uade0 50\ubc00\ub9ac\ucd08 \uc774\ud558\ub85c \uc720\uc9c0\ud560 \uc218 \uc788\uc5c8\uc73c\uba70, \uc774\ub85c \uc778\ud574 \uc2e4\uc81c \uc6b4\uc601 \ud658\uacbd\uc5d0\uc11c\uc758 \ub370\uc774\ud130 \uc77c\uad00\uc131\uc774 \ud06c\uac8c \ud5a5\uc0c1\ub418\uc5c8\uc2b5\ub2c8\ub2e4. A\uc0ac\uc758 \uc0ac\ub840\uc5d0\uc11c\ub294, \uae30\uc874 \ubc29\uc2dd \ub300\ube44 \uc57d 80% \uc774\uc0c1\uc758 \uac00\ub3d9 \uc2dc\uac04 \ud5a5\uc0c1\uc774 \ud655\uc778\ub418\uc5c8\uc73c\uba70, \uc774\ub294 \uae30\uc5c5\uc758 \uc804\uccb4 \uc6b4\uc601 \ube44\uc6a9 \uc808\uac10\uc5d0\ub3c4 \ud06c\uac8c \uae30\uc5ec\ud558\uc600\uc2b5\ub2c8\ub2e4.<\/p>\n\ub450 \ubc88\uc9f8 \uc0ac\ub840\ub294 \uae08\uc735\uad8c\uc758 B\uc740\ud589\uc758 \uc0ac\ub840\ub85c, \uae08\uc735 \uac70\ub798\uc758 \uacbd\uc6b0 \uc11c\ube44\uc2a4 \uc911\ub2e8\uc774 \uac00\uc838\uc62c \uc704\ud5d8\uacfc \ube44\uc988\ub2c8\uc2a4 \uc190\uc2e4\uc774 \ub9e4\uc6b0 \ud06c\uae30 \ub54c\ubb38\uc5d0, Zero-downtime Migration\uc740 \ud544\uc218\uc801\uc774\uc5c8\uc2b5\ub2c8\ub2e4. B\uc740\ud589\uc740 \uae30\uc874\uc758 \ub808\uac70\uc2dc \uc2dc\uc2a4\ud15c\uc744 \ud074\ub77c\uc6b0\ub4dc \uae30\ubc18\uc758 \ucd5c\uc2e0 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc2dc\uc2a4\ud15c\uc73c\ub85c \uc804\ud658\ud558\uae30 \uc704\ud574 Zero-downtime \ubc29\uc2dd\uc758 \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uc804\ub7b5\uc744 \uc218\ub9bd\ud558\uc600\uc2b5\ub2c8\ub2e4. \uc740\ud589 \ub0b4\ubd80\uc5d0\uc11c\ub294 \uba3c\uc800 \ub370\uc774\ud130 \ubcf5\uc81c \ud504\ub85c\uc138\uc2a4\ub97c \ub3c4\uc785\ud558\uc5ec, \uc2e4\uc2dc\uac04 \uac70\ub798 \ub0b4\uc5ed\uacfc \ub370\uc774\ud130 \ubcc0\uacbd \uc0ac\ud56d\uc744 \uc2e0\uaddc \uc2dc\uc2a4\ud15c\uc73c\ub85c \uc774\uad00\ud558\uc600\uc73c\uba70, \uc77c\ubd80 \uc11c\ube44\uc2a4\uc5d0 \ub300\ud574 \uce74\ub098\ub9ac\uc544 \ubc30\ud3ec \ubc29\uc2dd\uc73c\ub85c \uc810\uc9c4\uc801 \uc804\ud658 \ud14c\uc2a4\ud2b8\ub97c \uc9c4\ud589\ud55c \uacb0\uacfc, \uc804\ud658 \uacfc\uc815\uc5d0\uc11c\uc758 \uc624\ub958\uc728\uc774 0.01% \uc774\ud558\ub85c \uc720\uc9c0\ub418\ub294 \ub6f0\uc5b4\ub09c \uc131\uacfc\ub97c \uac70\ub450\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\nB\uc740\ud589\uc758 \uc0ac\ub840 \ubd84\uc11d\uc5d0\uc11c\ub294, \ub370\uc774\ud130 \uc774\uc804 \ub3c4\uc911 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \uc7a0\uc7ac\uc801 \uc774\uc288\ub4e4\uc744 \uc0ac\uc804\uc5d0 \uc2dd\ubcc4\ud558\uace0, \uc774\uc5d0 \ub300\uc751\ud558\uae30 \uc704\ud574 \uc815\uad50\ud55c \ubaa8\ub2c8\ud130\ub9c1 \uc2dc\uc2a4\ud15c \ubc0f \uc790\ub3d9\ud654\ub41c \ub864\ubc31 \ud504\ub85c\uc138\uc2a4\ub97c \ub3c4\uc785\ud55c \uac83\uc774 \ub450\ub4dc\ub7ec\uc84c\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \ub0b4\ubd80 IT\ud300\uacfc \uc678\ubd80 \uc804\ubb38 \ucee8\uc124\ud134\ud2b8\uac00 \ud611\ub825\ud558\uc5ec \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uc804\ud6c4\uc758 \uc131\ub2a5 \ub370\uc774\ud130\ub97c \uba74\ubc00\ud788 \ube44\uad50, \ubd84\uc11d\ud568\uc73c\ub85c\uc368, \uc2e0\uaddc \uc2dc\uc2a4\ud15c \ub3c4\uc785 \ud6c4\uc5d0\ub3c4 \uc548\uc815\uc801\uc778 \uac70\ub798 \ud658\uacbd\uc744 \ubcf4\uc7a5\ud560 \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc5d0\uc11c \uace0\uac1d \uc774\ud0c8\ub960\uc740 \ubbf8\ubbf8\ud55c \uc218\uc900\uc73c\ub85c \uc720\uc9c0\ub418\uc5c8\uc73c\uba70, \uc11c\ube44\uc2a4 \uc911\ub2e8 \uc5c6\uc774 \uc2dc\uc2a4\ud15c \uc804\ud658\uc744 \uc131\uacf5\uc801\uc73c\ub85c \uc644\ub8cc\ud568\uc73c\ub85c\uc368 B\uc740\ud589\uc740 \uae30\uc220 \ud601\uc2e0\uc5d0 \ub300\ud55c \uc2e0\ub8b0\ub3c4\ub97c \ub192\uc774\ub294 \ub370 \uc131\uacf5\ud558\uc600\uc2b5\ub2c8\ub2e4.<\/p>\n\uc138 \ubc88\uc9f8 \uc0ac\ub840\ub294 \uc804\uc790\uc0c1\uac70\ub798 \uc5c5\uacc4\uc758 C\uc0ac\uc758 \ub3c4\uc785 \uc0ac\ub840\uc785\ub2c8\ub2e4. C\uc0ac\ub294 \ub300\uaddc\ubaa8 \ud2b8\ub798\ud53d\uacfc \uc2e4\uc2dc\uac04 \uc8fc\ubb38 \ucc98\ub9ac\ub97c \ub3d9\uc2dc\uc5d0 \uad00\ub9ac\ud574\uc57c \ud558\ub294 \ud2b9\uc131\uc0c1, \uae30\uc874 \ubc29\uc2dd\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc11c\ube44\uc2a4 \uc911\ub2e8 \uc2dc\uac04\uc774 \ube44\uc988\ub2c8\uc2a4\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc774 \ub9e4\uc6b0 \ucef8\uc2b5\ub2c8\ub2e4. \uc774\uc5d0, C\uc0ac\ub294 Zero-downtime Migration \uc804\ub7b5\uc744 \ub3c4\uc785\ud558\uc5ec, \uc8fc\ubb38 \ub370\uc774\ud130\uc640 \uace0\uac1d \uc815\ubcf4\ub97c \uc2e0\uaddc \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub85c \uc774\uad00\ud558\ub294 \uc791\uc5c5\uc744 \uc9c4\ud589\ud558\uc600\uc2b5\ub2c8\ub2e4. \ud2b9\ud788, \uc11c\ube44\uc2a4 \ubaa8\ub4c8 \uac04\uc758 \uc885\uc18d\uc131\uc744 \ucd5c\uc18c\ud654\ud558\uace0, API\ub97c \ud1b5\ud55c \ub370\uc774\ud130 \uc811\uadfc \ud328\ud134\uc744 \uc7ac\uc815\uc758\ud558\ub294 \ub4f1 \uc2dc\uc2a4\ud15c \uc544\ud0a4\ud14d\ucc98 \uc804\ubc18\uc5d0 \uac78\uce5c \uac1c\uc120\uc774 \uc774\ub8e8\uc5b4\uc84c\uc2b5\ub2c8\ub2e4.<\/p>\nC\uc0ac\uc758 \ud504\ub85c\uc81d\ud2b8 \ud300\uc740 \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uc804\ud6c4\uc758 \uc131\ub2a5 \uc9c0\ud45c\ub97c \uba74\ubc00\ud788 \ubd84\uc11d\ud55c \uacb0\uacfc, \ub370\uc774\ud130 \uc774\uad00 \uc2dc\uac04\uacfc \uc0ac\uc6a9\uc790 \uc751\ub2f5 \uc2dc\uac04\uc774 \uae30\uc874 \ub300\ube44 \uac01\uac01 70%\uc640 60% \ub2e8\ucd95\ub418\uc5c8\uc74c\uc744 \ubcf4\uace0\ud558\uc600\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \uc0ac\uc804 \ud14c\uc2a4\ud2b8\uc640 \ub2e8\uacc4\uc801 \ubc30\ud3ec\ub97c \ud1b5\ud574, \ubcf8\uaca9\uc801\uc778 \uc804\ud658 \uc2dc \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \uc624\ub958\ub97c \ubbf8\uc5f0\uc5d0 \ubc29\uc9c0\ud560 \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4. C\uc0ac\uc758 \uc0ac\ub840\ub294 \ud2b9\ud788, \ub300\uaddc\ubaa8 \ub370\uc774\ud130 \uc774\uc804 \uc791\uc5c5\uc5d0\uc11c \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \ud2b8\ub79c\uc7ad\uc158 \ucc98\ub9ac \ubcd1\ubaa9 \ud604\uc0c1\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \ud574\uacb0\ud560 \uc218 \uc788\uc5c8\ub358 \uc88b\uc740 \uc608\ub85c \ud3c9\uac00\ubc1b\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\uc774\uc678\uc5d0\ub3c4 \uc5ec\ub7ec \uc911\uc18c\uae30\uc5c5 \ubc0f \uc2a4\ud0c0\ud2b8\uc5c5\ub4e4\uc774 Zero-downtime Migration\uc744 \ub3c4\uc785\ud558\uba74\uc11c \uc5bb\uc740 \uc2e4\uc9c8\uc801\uc778 \uc131\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc694\uc57d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\ud3c9\uade0 \ub2e4\uc6b4\ud0c0\uc784 0\ubd84 \ub0b4\uc678 \uc720\uc9c0<\/li>\n<li>\ub370\uc774\ud130 \ub3d9\uae30\ud654 \uc9c0\uc5f0 \uc2dc\uac04 50-100\ubc00\ub9ac\ucd08 \ubc94\uc704<\/li>\n<li>\ub864\ubc31 \uc804\ud658 \uc131\uacf5\ub960 99.9% \uc774\uc0c1<\/li>\n<li>\uc11c\ube44\uc2a4 \uc804\ud658 \ud6c4 \uace0\uac1d \uc774\ud0c8\ub960 \ud604\uc800\ud788 \uac10\uc18c<\/li>\n<li>\uc2dc\uc2a4\ud15c \ubcf5\uad6c \ubc0f \uc7a5\uc560 \ub300\uc751 \uc2dc\uac04 80% \ub2e8\ucd95<\/li>\n<\/ul>\n\uc774\ub7ec\ud55c \uc0ac\ub840 \uc5f0\uad6c\ub294, Zero-downtime Migration\uc774 \ub2e8\uc21c\ud788 \uae30\uc220\uc801 \ud601\uc2e0\uc744 \ub118\uc5b4, \uae30\uc5c5 \uc6b4\uc601 \uc804\ubc18\uc5d0 \uac78\uccd0 \ube44\uc6a9 \uc808\uac10\uacfc \uace0\uac1d \ub9cc\uc871\ub3c4 \ud5a5\uc0c1\uc5d0 \uae30\uc5ec\ud560 \uc218 \uc788\uc74c\uc744 \uba85\ud655\ud788 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uac01 \uae30\uc5c5\uc740 \uc790\uc0ac\uc758 \uc694\uad6c \uc0ac\ud56d\uacfc \uc2dc\uc2a4\ud15c \ud2b9\uc131\uc5d0 \ub530\ub77c \ub2e4\uc591\ud55c \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uc804\ub7b5\uc744 \uad6c\uccb4\ud654\ud558\uc600\uc73c\uba70, \uc774\ub97c \ud1b5\ud574 \uc11c\ube44\uc2a4 \uc911\ub2e8 \uc5c6\uc774 \ub370\uc774\ud130 \uc774\uc804 \uc791\uc5c5\uc744 \uc131\uacf5\uc801\uc73c\ub85c \uc218\ud589\ud558\uc600\uc2b5\ub2c8\ub2e4.<\/p>\n\ubca4\uce58\ub9c8\ud06c \ubd84\uc11d \uacb0\uacfc, Zero-downtime Migration \uc801\uc6a9 \ud6c4 \ud3c9\uade0 \uc2dc\uc2a4\ud15c \uac00\ub3d9\ub960\uc740 99.99% \uc774\uc0c1\uc744 \uae30\ub85d\ud558\uc600\uc73c\uba70, \uc774\ub294 \uace0\uac1d \uc2e0\ub8b0 \ubc0f \uac70\ub798 \uc548\uc815\uc131 \uce21\uba74\uc5d0\uc11c \ub9e4\uc6b0 \uae0d\uc815\uc801\uc778 \uc218\uce58\ub85c \ud574\uc11d\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc5f0\uad6c \uc790\ub8cc\uc5d0 \ub530\ub974\uba74, \uc774\ub7ec\ud55c \uae30\uc220 \ub3c4\uc785 \uc774\ud6c4 \uace0\uac1d \ubd88\ub9cc \ubc0f \uc11c\ube44\uc2a4 \uc7a5\uc560\uc640 \uad00\ub828\ub41c \ucf5c \uc13c\ud130 \ubb38\uc758 \uac74\uc218\ub3c4 \ud3c9\uade0 60% \uc774\uc0c1 \uac10\uc18c\ud55c \uac83\uc73c\ub85c \uc9d1\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\ub610\ud55c, \ub2e4\uc218\uc758 \uae30\uc5c5\ub4e4\uc740 Zero-downtime Migration \ub3c4\uc785 \ud6c4, \uae30\uc874 \uc2dc\uc2a4\ud15c \uc720\uc9c0 \ube44\uc6a9\uacfc \uc7a5\uc560\ub85c \uc778\ud55c \uac04\uc811 \ube44\uc6a9\uc744 \ud569\uc0b0\ud558\uc5ec \uc5f0\uac04 \uc218\ubc31\ub9cc \ub2ec\ub7ec \uc774\uc0c1\uc758 \ube44\uc6a9 \uc808\uac10 \ud6a8\uacfc\ub97c \ubcf4\uace0\ud558\uc600\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc7ac\ubb34\uc801 \uc131\uacfc\ub294 \ub2e8\uae30\uc801\uc778 \ud22c\uc790 \ube44\uc6a9\uc744 \uc0c1\uc1c4\ud558\uace0\ub3c4 \ub0a8\uc744 \uc815\ub3c4\ub85c \ud070 \uacbd\uc81c\uc801 \uc774\uc810\uc744 \uc81c\uacf5\ud558\uac8c \ub429\ub2c8\ub2e4.<\/p>\n\ub9c8\uc9c0\ub9c9\uc73c\ub85c, \ub2e4\uc591\ud55c \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c\uc758 \uc131\uacf5 \uc0ac\ub840\uc640 \ub370\uc774\ud130\ub97c \uc885\ud569\ud574\ubcf4\uba74, Zero-downtime Migration\uc740 \ud5a5\ud6c4 \ub354\uc6b1 \ud655\uc0b0\ub420 \uac83\uc73c\ub85c \uc608\uc0c1\ub429\ub2c8\ub2e4. \uae30\uc220 \ubc1c\uc804\uacfc \ub354\ubd88\uc5b4 \ub9c8\uc774\uadf8\ub808\uc774\uc158 \ub3c4\uad6c \ubc0f \uc790\ub3d9\ud654 \uc2dc\uc2a4\ud15c\uc774 \uacc4\uc18d \ubc1c\uc804\ud558\uba74\uc11c, \uae30\uc5c5\ub4e4\uc740 \uc810\ucc28 \uc11c\ube44\uc2a4 \uc911\ub2e8\uc774\ub77c\ub294 \ub9ac\uc2a4\ud06c\ub97c \ucd5c\uc18c\ud654\ud558\uace0 \uc6d0\ud65c\ud55c \uc2dc\uc2a4\ud15c \uc804\ud658\uc744 \uad6c\ud604\ud560 \uc218 \uc788\uac8c \ub420 \uac83\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud750\ub984\uc740 \uc804\uc138\uacc4\uc801\uc73c\ub85c \ub514\uc9c0\ud138 \ud2b8\ub79c\uc2a4\ud3ec\uba54\uc774\uc158 \uc2dc\ub300\uc5d0 \ub9de\ucdb0 \uadc0\uc911\ud55c \uacbd\uc7c1 \uc6b0\uc704\ub85c \uc791\uc6a9\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<h2 id=\"section-4-zero-downtime-migration%ec%9d%84-%ec%9c%84%ed%95%9c-%eb%8f%84%ea%b5%ac-%ea%b8%b0%ec%88%a0-%ec%8a%a4%ed%83%9d-%eb%b0%8f-%eb%af%b8%eb%9e%98-%ec%a0%84%eb%a7%9d-VVuAxxhduB\">Section 4: Zero-downtime Migration\uc744 \uc704\ud55c \ub3c4\uad6c, \uae30\uc220 \uc2a4\ud0dd \ubc0f \ubbf8\ub798 \uc804\ub9dd<\/h2>\nZero-downtime Migration\uc744 \uad6c\ud604\ud558\uae30 \uc704\ud574\uc11c\ub294 \ub2e4\uc591\ud55c \ub3c4\uad6c\uc640 \uae30\uc220 \uc2a4\ud0dd\uc758 \uc120\ud0dd\uc774 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774 \uc139\uc158\uc5d0\uc11c\ub294 \ucd5c\uc2e0 \ub3c4\uad6c \ubc0f \ud504\ub808\uc784\uc6cc\ud06c, \uadf8\ub9ac\uace0 \uc774\ub97c \ud65c\uc6a9\ud55c \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uc804\ub7b5\uc5d0 \ub300\ud574 \uad6c\uccb4\uc801\uc73c\ub85c \uc0b4\ud3b4\ubcf4\uace0, \ud5a5\ud6c4 \ubc1c\uc804 \ubc29\ud5a5\uacfc \uae30\uc220\uc758 \ubbf8\ub798 \uc804\ub9dd\uc744 \uc608\uce21\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc624\ub298\ub0a0 \ud074\ub77c\uc6b0\ub4dc \ud658\uacbd\uacfc \ucee8\ud14c\uc774\ub108 \uae30\ubc18\uc758 \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \uc544\ud0a4\ud14d\ucc98\uac00 \ubcf4\ud3b8\ud654\ub428\uc5d0 \ub530\ub77c, \uc804\ud1b5\uc801\uc778 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ub9c8\uc774\uadf8\ub808\uc774\uc158 \ub3c4\uad6c\ub294 \ubb3c\ub860, \uc0c8\ub85c\uc6b4 \uae30\uc220\ub4e4\uc774 \ube60\ub974\uac8c \ub4f1\uc7a5\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\uc6b0\uc120, Zero-downtime Migration \uc791\uc5c5\uc5d0\uc11c \uac00\uc7a5 \uc911\uc694\ud55c \uc0ac\ud56d \uc911 \ud558\ub098\ub294 \ub370\uc774\ud130 \ub3d9\uae30\ud654\uc640 \uc2a4\ud0a4\ub9c8 \ubcc0\uacbd\uc785\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \ub3c4\uad6c\ub85c\ub294 Flyway\uc640 Liquibase\uac00 \uc788\uc73c\uba70, \uc774\ub4e4 \ub3c4\uad6c\ub294 \uc2a4\ud06c\ub9bd\ud2b8 \uae30\ubc18\uc758 DB \uc2a4\ud0a4\ub9c8 \uad00\ub9ac \uc678\uc5d0\ub3c4 \uc790\ub3d9\ud654 \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\uc5ec, \ubcc0\uacbd \uc774\ub825\uc744 \uc27d\uac8c \ucd94\uc801\ud558\uace0 \ub864\ubc31\ud560 \uc218 \uc788\ub294 \uc7a5\uc810\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \uc774\ub7ec\ud55c \ub3c4\uad6c\ub4e4\uc740 CI\/CD \ud30c\uc774\ud504\ub77c\uc778\uc5d0 \uc27d\uac8c \ud1b5\ud569\ub418\uc5b4 \uc6b4\uc601 \ud6a8\uc728\uc131\uc744 \uadf9\ub300\ud654\ud560 \uc218 \uc788\ub3c4\ub85d \ub3d5\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\ub370\uc774\ud130 \uc2a4\ud2b8\ub9ac\ubc0d\uacfc \ub3d9\uae30\ud654\ub97c \uc704\ud55c \ub3c4\uad6c\ub85c\ub294 Apache Kafka, Debezium \ub4f1\uc774 \ub110\ub9ac \ud65c\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. Kafka\ub97c \uc774\uc6a9\ud55c \uc774\ubca4\ud2b8 \uae30\ubc18 \ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778\uc740 \ub300\uaddc\ubaa8 \ub370\uc774\ud130 \ubcc0\uacbd \uc0ac\ud56d\uc744 \uc548\uc815\uc801\uc73c\ub85c \uc218\uc9d1\ud558\uace0 \ucc98\ub9ac\ud560 \uc218 \uc788\uac8c \ud558\uba70, Debezium\uc740 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ubcc0\uacbd \uae30\ub85d\uc744 \ucea1\ucc98\ud558\uc5ec \uc2e4\uc2dc\uac04 \ub3d9\uae30\ud654\uc5d0 \ucd5c\uc801\ud654\ub41c \uc194\ub8e8\uc158\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uae30\uc220\ub4e4\uc740 \ubbf8\uc158 \ud06c\ub9ac\ud2f0\uceec\ud55c \ud658\uacbd\uc5d0\uc11c \ub370\uc774\ud130 \uc77c\uad00\uc131\uc744 \ud655\ubcf4\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n\ub610 \ub2e4\ub978 \uc8fc\ubaa9\ud560 \ub9cc\ud55c \uae30\uc220\ub85c\ub294 \ucee8\ud14c\uc774\ub108 \uc624\ucf00\uc2a4\ud2b8\ub808\uc774\uc158 \ud50c\ub7ab\ud3fc\uc778 Kubernetes\uac00 \uc788\uc2b5\ub2c8\ub2e4. Kubernetes\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \ud655\uc7a5\uc131\uacfc \ubcf5\uc6d0\ub825\uc744 \uadf9\ub300\ud654\ud558\ub294 \ub3d9\uc2dc\uc5d0, \ubb34\uc911\ub2e8 \ubc30\ud3ec(rolling update) \ubc0f \uce74\ub098\ub9ac\uc544 \ubc30\ud3ec \uc804\ub7b5\uc744 \uc190\uc27d\uac8c \uad6c\ud604\ud560 \uc218 \uc788\ub3c4\ub85d \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ub9c8\uc774\uadf8\ub808\uc774\uc158 \ud504\ub85c\uc138\uc2a4\uc640 \uad00\ub828\ud558\uc5ec \ubcc4\ub3c4\uc758 \ubc30\ud3ec \ud658\uacbd\uc744 \uad6c\uc131\ud558\uace0, \ud2b8\ub798\ud53d\uc744 \uc810\uc9c4\uc801\uc73c\ub85c \uc804\ud658\ud558\ub294 \uc804\ub7b5\uc744 \uc801\uc6a9\ud568\uc73c\ub85c\uc368, \uc11c\ube44\uc2a4 \uc911\ub2e8 \uc5c6\uc774 \uc0c8\ub85c\uc6b4 \uc2dc\uc2a4\ud15c\uc73c\ub85c\uc758 \uc804\ud658\uc774 \uac00\ub2a5\ud558\uac8c \ub429\ub2c8\ub2e4.<\/p>\n\uae30\uc220 \uc2a4\ud0dd \uad6c\uc131 \uc2dc, \ub2e4\uc74c\uacfc \uac19\uc740 \uc694\uc18c\ub4e4\uc774 \uc8fc\uc694 \uace0\ub824 \ub300\uc0c1\uc774 \ub429\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\ub370\uc774\ud130 \ub3d9\uae30\ud654 \ub3c4\uad6c: Apache Kafka, Debezium, AWS DMS<\/li>\n<li>\uc2a4\ud0a4\ub9c8 \uad00\ub9ac \ub3c4\uad6c: Flyway, Liquibase<\/li>\n<li>\ucee8\ud14c\uc774\ub108 \uc624\ucf00\uc2a4\ud2b8\ub808\uc774\uc158: Kubernetes, Docker Swarm<\/li>\n<li>\ubaa8\ub2c8\ud130\ub9c1 \ubc0f \ub85c\uae45: Prometheus, Grafana, ELK Stack<\/li>\n<li>\uc790\ub3d9\ud654 \ubc0f CI\/CD: Jenkins, GitLab CI, CircleCI<\/li>\n<\/ul>\n\uc2e4\uc81c \uad6c\ud604 \uc0ac\ub840\uc5d0\uc11c\ub294, \uc774\ub7ec\ud55c \ub3c4\uad6c\ub4e4\uc744 \uc720\uae30\uc801\uc73c\ub85c \uacb0\ud569\ud558\uc5ec \ubb34\uc911\ub2e8 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ub9c8\uc774\uadf8\ub808\uc774\uc158 \ud658\uacbd\uc744 \uad6c\ucd95\ud55c \uc0ac\ub840\uac00 \ub2e4\uc218 \ubcf4\uace0\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ud55c \uae00\ub85c\ubc8c \uc804\uc790\uc0c1\uac70\ub798 \uae30\uc5c5\uc740 Kubernetes \uae30\ubc18\uc758 \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \ud658\uacbd\uc5d0\uc11c Flyway\ub97c \ud65c\uc6a9\ud558\uc5ec \uc2a4\ud0a4\ub9c8 \ubcc0\uacbd\uc744 \uc790\ub3d9\ud654\ud558\uace0, \ub3d9\uc2dc\uc5d0 Kafka\ub97c \ud1b5\ud55c \ub370\uc774\ud130 \ub3d9\uae30\ud654 \uc2dc\uc2a4\ud15c\uc744 \uad6c\ucd95\ud558\uc5ec, \uc11c\ube44\uc2a4 \uc911\ub2e8 \uc5c6\uc774 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc804\ud658\uc744 \uc131\uacf5\uc801\uc73c\ub85c \uc644\ub8cc\ud558\uc600\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc0ac\ub840\ub294 \ub3c4\uad6c\uc640 \uae30\uc220 \uc2a4\ud0dd\uc758 \uc801\uc808\ud55c \uc870\ud569\uc774 \uae30\uc220\uc801 \uc131\uacf5\uc5d0 \ud544\uc218\uc801\uc784\uc744 \uba85\ud655\ud788 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n\ud5a5\ud6c4 Zero-downtime Migration \uae30\uc220\uc758 \ubc1c\uc804 \ubc29\ud5a5\uc740 \ud06c\uac8c \ub450 \uac00\uc9c0\ub85c \ub098\ub269\ub2c8\ub2e4. \uccab\uc9f8, \ub9c8\uc774\uadf8\ub808\uc774\uc158 \ub3c4\uad6c\uc758 \uc790\ub3d9\ud654 \ubc0f \uc778\ud154\ub9ac\uc804\uc2a4\ud654\uc785\ub2c8\ub2e4. \uc778\uacf5\uc9c0\ub2a5(AI)\uacfc \uba38\uc2e0\ub7ec\ub2dd \uae30\uc220\uc744 \ub3c4\uc785\ud558\uc5ec, \ub370\uc774\ud130 \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uacfc\uc815\uc5d0\uc11c \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \uc624\ub958\ub098 \uc774\uc0c1 \uc9d5\ud6c4\ub97c \uc0ac\uc804\uc5d0 \uac10\uc9c0\ud558\uace0 \uc790\ub3d9\uc73c\ub85c \ucd5c\uc801\ud654\ud558\ub294 \uc2dc\uc2a4\ud15c\uc774 \uac1c\ubc1c\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ub458\uc9f8, \ud074\ub77c\uc6b0\ub4dc \ub124\uc774\ud2f0\ube0c \uc544\ud0a4\ud14d\ucc98\uc640\uc758 \ud1b5\ud569\uc785\ub2c8\ub2e4. \ud074\ub77c\uc6b0\ub4dc \ud50c\ub7ab\ud3fc\ub4e4\uc774 \uc81c\uacf5\ud558\ub294 \uace0\uae09 \ub370\uc774\ud130 \uad00\ub9ac \ubc0f \ubd84\uc11d \ub3c4\uad6c\uc640\uc758 \uacb0\ud569\uc740, \uc9c0\uc18d\uc801\uc778 \ub370\uc774\ud130 \ub3d9\uae30\ud654\ub97c \ubcf4\ub2e4 \ud6a8\uc728\uc801\uc73c\ub85c \uc218\ud589\ud560 \uc218 \uc788\ub3c4\ub85d \uc9c0\uc6d0\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\ucd5c\uadfc \ud1b5\uacc4\uc5d0 \ub530\ub974\uba74, Zero-downtime Migration \uc804\ub7b5\uc744 \ucc44\ud0dd\ud55c \uae30\uc5c5\ub4e4\uc758 \uc2dc\uc2a4\ud15c \uac00\ub3d9\ub960\uc740 \ud3c9\uade0 99.99% \uc774\uc0c1\uc744 \uae30\ub85d\ud558\uace0 \uc788\uc73c\uba70, \uc7a5\uc560 \ubc1c\uc0dd\ub960\uacfc \ubcf5\uad6c \uc2dc\uac04\uc774 \ud604\uc800\ud558\uac8c \uac1c\uc120\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ub370\uc774\ud130\ub294 \uae30\uc220 \ubcc0\ud654\uc5d0 \ubbfc\ucca9\ud558\uac8c \ub300\uc751\ud558\ub294 \uc870\uc9c1\uc5d0 \uacbd\uc7c1 \uc6b0\uc704\ub97c \uc81c\uacf5\ud558\uba70, \uae30\uc220 \ud22c\uc790 \ub300\ube44 \ub6f0\uc5b4\ub09c \uc218\uc775\ub960\uc744 \ubcf4\uc7a5\ud558\ub294 \uac83\uc73c\ub85c \ubd84\uc11d\ub429\ub2c8\ub2e4. \ub610\ud55c, \ud074\ub77c\uc6b0\ub4dc \uc11c\ube44\uc2a4 \uacf5\uae09\uc5c5\uccb4\ub4e4\ub3c4 \ubb34\uc911\ub2e8 \ubc30\ud3ec\ub97c \uc9c0\uc6d0\ud558\ub294 \uc5ec\ub7ec \uae30\ub2a5\uc744 \uac15\ud654\ud558\uace0 \uc788\uc5b4, \ud5a5\ud6c4 Zero-downtime Migration\uc774 \ub354\uc6b1 \ubcf4\ud3b8\ud654\ub420 \uac83\uc73c\ub85c \uc804\ub9dd\ub429\ub2c8\ub2e4.<\/p>\n\ubbf8\ub798 \uc804\ub9dd \uce21\uba74\uc5d0\uc11c, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uae30\uc220\uc740 \ud074\ub77c\uc6b0\ub4dc\uc640 \uc5e3\uc9c0 \ucef4\ud4e8\ud305, \uadf8\ub9ac\uace0 \ubd84\uc0b0 \ub370\uc774\ud130 \uc800\uc7a5 \uc2dc\uc2a4\ud15c\uc758 \ubc1c\uc804\uc5d0 \ub530\ub77c \uc9c0\uc18d\uc801\uc73c\ub85c \uc9c4\ud654\ud560 \uac83\uc785\ub2c8\ub2e4. \uae30\uc220 \ud2b8\ub80c\ub4dc\ub97c \ubc18\uc601\ud558\uc5ec, \ubcf4\ub2e4 \uc2a4\ub9c8\ud2b8\ud55c \uc790\ub3d9\ud654 \ub3c4\uad6c\uc640 \uc2e4\uc2dc\uac04 \uc778\ud154\ub9ac\uc804\uc2a4 \uae30\ubc18\uc758 \ubaa8\ub2c8\ud130\ub9c1 \uc2dc\uc2a4\ud15c\uc774 \ub4f1\uc7a5\ud560 \uac83\uc774\uba70, \uc774\ub294 \uae30\uc5c5\ub4e4\uc774 \ub354\uc6b1 \uc548\uc815\uc801\uc774\uace0 \uc2e0\ub8b0\uc131 \uc788\ub294 \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud558\ub294 \ub370 \uae30\uc5ec\ud560 \uac83\uc785\ub2c8\ub2e4. \ub610\ud55c, \uc624\ud508 \uc18c\uc2a4 \ucee4\ubba4\ub2c8\ud2f0\uc640 \uc0b0\uc5c5\uacc4\uc758 \ud611\ub825\uc744 \ud1b5\ud574, \ud45c\uc900\ud654\ub41c \ub9c8\uc774\uadf8\ub808\uc774\uc158 \ud504\ub85c\ud1a0\ucf5c\uacfc \ub370\uc774\ud130 \uad50\ud658 \ud3ec\ub9f7\uc774 \ub9c8\ub828\ub41c\ub2e4\uba74, \uae30\uc220 \uac04\uc758 \uc0c1\ud638 \uc6b4\uc6a9\uc131\uc774 \ud06c\uac8c \ud5a5\uc0c1\ub418\uc5b4 \uc804 \uc138\uacc4\uc801\uc73c\ub85c Zero-downtime Migration\uc758 \uc131\uacf5 \uc0ac\ub840\uac00 \uc99d\uac00\ud560 \uac83\uc73c\ub85c \uc608\uc0c1\ub429\ub2c8\ub2e4.<\/p>\nZero-downtime Migration\uc740 \ub2e8\uc21c\ud55c DB \uc774\uc804 \uae30\uc220\uc744 \ub118\uc5b4, \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc804\ubc18\uc801\uc778 \uc544\ud0a4\ud14d\ucc98 \ud601\uc2e0\uacfc \uad00\ub828\ub41c \uc911\uc694\ud55c \uc804\ub7b5\uc801 \uc694\uc18c\ub85c \uc790\ub9ac \uc7a1\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uae30\uc5c5\ub4e4\uc740 \uc774\ub97c \ud1b5\ud574 \uc2dc\uc2a4\ud15c\uc758 \uc720\uc5f0\uc131\uc744 \uadf9\ub300\ud654\ud558\uace0, \uace0\uac1d \uc11c\ube44\uc2a4\uc758 \uc548\uc815\uc131 \ubc0f \ud488\uc9c8\uc744 \ud06c\uac8c \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubbf8\ub798\uc758 IT \ud658\uacbd\uc5d0\uc11c\ub294 \ub370\uc774\ud130\uc758 \uc2e4\uc2dc\uac04 \ucc98\ub9ac\uc640 \ubd84\uc0b0 \ubcf5\uc81c\uac00 \ud45c\uc900\uc774 \ub420 \uc804\ub9dd\uc774\uba70, \uc774\ub7ec\ud55c \ud658\uacbd \uc18d\uc5d0\uc11c Zero-downtime Migration \uae30\uc220\uc740 \ub354\uc6b1 \ud575\uc2ec\uc801\uc778 \uc5ed\ud560\uc744 \ub2f4\ub2f9\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\ub9c8\uc9c0\ub9c9\uc73c\ub85c, Zero-downtime Migration\uc744 \uc704\ud55c \ub3c4\uad6c\uc640 \uae30\uc220 \uc2a4\ud0dd\uc740 \ube60\ub974\uac8c \ubc1c\uc804\ud558\uace0 \uc788\uc73c\uba70, \uc0c8\ub86d\uac8c \ub4f1\uc7a5\ud558\ub294 \uae30\uc220 \ud2b8\ub80c\ub4dc\uc5d0 \ubc1c\ub9de\ucd94\uc5b4 \ud601\uc2e0\uc801 \uc194\ub8e8\uc158\ub4e4\uc774 \uc9c0\uc18d\uc801\uc73c\ub85c \ub4f1\uc7a5\ud560 \uac83\uc785\ub2c8\ub2e4. \uae30\uc5c5\ub4e4\uc740 \uc774\ub7ec\ud55c \ubcc0\ud654\uc5d0 \uc801\uadf9\uc801\uc73c\ub85c \ub300\uc751\ud558\uace0, \ucd5c\uc2e0 \uae30\uc220\uc744 \ub3c4\uc785\ud558\uc5ec \ubbf8\ub798\uc758 \ub514\uc9c0\ud138 \uc804\ud658\uc5d0 \ub300\ube44\ud574\uc57c \ud560 \uac83\uc785\ub2c8\ub2e4. \ubcf8 \uc139\uc158\uc5d0\uc11c \ub2e4\ub8ec \ub0b4\uc6a9\uc740 \ub2e8\uc9c0 \ud604 \uc2dc\uc810\uc758 \uae30\uc220 \ub3d9\ud5a5\uc744 \ubc18\uc601\ud55c \uac83\uc73c\ub85c, \uc55e\uc73c\ub85c\uc758 \ubcc0\ud654\uc5d0 \ub530\ub77c \uc9c0\uc18d\uc801\uc778 \ud559\uc2b5\uacfc \uc801\uc751\uc774 \ud544\uc694\ud558\ub2e4\ub294 \uc810\uc744 \uac15\uc870\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\uc694\uc57d\ud558\uc790\uba74, Zero-downtime Migration\uc740 \uc2dc\uc2a4\ud15c \uc5f0\uc18d\uc131\uc744 \uc720\uc9c0\ud558\uba74\uc11c \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \uc548\uc804\ud558\uac8c \uc774\uc804\ud560 \uc218 \uc788\ub294 \uac15\ub825\ud55c \ud328\ud134\uc73c\ub85c, \uae30\uc220 \ub3c4\uad6c\uc640 \uc790\ub3d9\ud654, \uadf8\ub9ac\uace0 \ubaa8\ub2c8\ud130\ub9c1 \uccb4\uacc4\ub97c \uacb0\ud569\ud55c \ud1b5\ud569\uc801 \uc811\uadfc\ubc95\uc774 \uc131\uacf5\uc758 \uc5f4\uc1e0\uc784\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc55e\uc73c\ub85c IT \ud658\uacbd\uc758 \ubcf5\uc7a1\uc131\uacfc \uace0\uac1d \uc694\uad6c \uc0ac\ud56d\uc774 \ub354\uc6b1 \uace0\ub3c4\ud654\ub428\uc5d0 \ub530\ub77c, \uc774 \ud328\ud134\uc740 \ubaa8\ub4e0 \uae30\uc220 \uc870\uc9c1\uc5d0\uac8c \ud544\uc218\uc801\uc778 \uc694\uc18c\ub85c \uc790\ub9ac \uc7a1\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\uac15\ub825\ud55c \uc694\uc57d\uc73c\ub85c \ubcf8 \uae30\uc0ac\uc758 \ud575\uc2ec\uc744 \uc815\ub9ac\ud558\uc790\uba74, Zero-downtime Migration\uc740 \ub2e8\uc21c\ud55c \ub370\uc774\ud130 \uc774\uc804\uc744 \ub118\uc5b4, \uc11c\ube44\uc2a4 \uc911\ub2e8 \uc5c6\ub294 \uc6b4\uc601\uacfc \ube44\uc988\ub2c8\uc2a4 \uc5f0\uc18d\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \ud601\uc2e0\uc801\uc778 \uc804\ub7b5\uc785\ub2c8\ub2e4. \uc0ac\ub840 \ubd84\uc11d\uacfc \uae30\uc220 \uac80\ud1a0\ub97c \ud1b5\ud574, \uae30\uc5c5\uc740 \uc774\ub97c \ud1b5\ud574 \uacbd\uc7c1\ub825\uc744 \ub192\uc774\uace0, \uc548\uc815\uc801\uc774\uace0 \uc2e0\ub8b0\uc131 \uc788\ub294 \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud560 \uc218 \uc788\uc74c\uc744 \uba85\ud655\ud788 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h1 id=\"%ea%b2%b0%eb%a1%a0-VVuAxxhduB\">\uacb0\ub860<\/h1>\nZero-downtime Migration \ud328\ud134\uc740 \ud604\ub300 \ub514\uc9c0\ud138 \uc2dc\ub300\uc758 \uc911\uc694\ud55c \ubcc0\ud654 \uc804\ub7b5\uc73c\ub85c, \uae30\uc874\uc758 \uc11c\ube44\uc2a4 \uc911\ub2e8 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uace0 \ube44\uc988\ub2c8\uc2a4 \uc5f0\uc18d\uc131\uc744 \uadf9\ub300\ud654\ud558\ub294 \ub370 \uae30\uc5ec\ud569\ub2c8\ub2e4. \ubcf8 \ube14\ub85c\uadf8 \ud3ec\uc2a4\ud2b8\uc5d0\uc11c\ub294 Zero-downtime Migration\uc758 \uae30\ubcf8 \uac1c\ub150\ubd80\ud130, \uc774\ub97c \uad6c\ud604\ud558\uae30 \uc704\ud55c \uae30\uc220\uc801 \uc804\ub7b5\uacfc \uad6c\ud604 \ubc29\ubc95, \uadf8\ub9ac\uace0 \uc2e4\uc81c \uc0ac\ub840 \ubd84\uc11d \ubc0f \ubbf8\ub798 \uc804\ub9dd\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 4\uac1c\uc758 \uc8fc\uc694 \uc139\uc158\uc73c\ub85c \uc2ec\ub3c4 \uc788\uac8c \ub2e4\ub8e8\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\uccab \ubc88\uc9f8 \uc139\uc158\uc5d0\uc11c\ub294 \uc804\ud1b5\uc801\uc778 DB \ub9c8\uc774\uadf8\ub808\uc774\uc158\uc758 \ud55c\uacc4\uc640 Zero-downtime Migration \ub3c4\uc785\uc758 \ud544\uc694\uc131\uc744 \uad6c\uccb4\uc801 \ud1b5\uacc4 \ubc0f \uc0ac\ub840\ub97c \ud1b5\ud574 \uc124\uba85\ud558\uc600\uc2b5\ub2c8\ub2e4. \ub450 \ubc88\uc9f8 \uc139\uc158\uc5d0\uc11c\ub294 CDC, \uc774\ubca4\ud2b8 \uc2a4\ud2b8\ub9ac\ubc0d, \uadf8\ub9b0 \ubc30\ud3ec \ub4f1\uc758 \uae30\uc220\uc801 \uad6c\ud604 \uc804\ub7b5\uacfc \uc2e4\uc81c \ucf54\ub4dc \uc608\uc81c\ub97c \ud1b5\ud574 \uc2e4\ubb34 \uc801\uc6a9 \ubc29\ubc95\uc744 \uc0c1\uc138\ud788 \uc81c\uc2dc\ud558\uc600\uc2b5\ub2c8\ub2e4.<\/p>\n\uc138 \ubc88\uc9f8 \uc139\uc158\uc5d0\uc11c\ub294 \uae00\ub85c\ubc8c \uae30\uc5c5\ub4e4\uc758 \uc0ac\ub840 \uc5f0\uad6c \ubc0f \ubca4\uce58\ub9c8\ud06c \ub370\uc774\ud130\ub97c \ud1b5\ud574 Zero-downtime Migration\uc758 \ud6a8\uacfc\ub97c \ubd84\uc11d\ud558\uc600\uc73c\uba70, \uc774\ub97c \ud1b5\ud574 \uc2e4\uc81c \uc11c\ube44\uc2a4 \uc6b4\uc601\uc5d0\uc11c\uc758 \uacbd\uc7c1\ub825 \uac15\ud654 \ubc0f \ube44\uc6a9 \uc808\uac10 \ud6a8\uacfc\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4. \ub9c8\uc9c0\ub9c9 \ub124 \ubc88\uc9f8 \uc139\uc158\uc5d0\uc11c\ub294 \ucd5c\uc2e0 \ub3c4\uad6c\uc640 \uae30\uc220 \uc2a4\ud0dd\uc744 \uc911\uc2ec\uc73c\ub85c \ubbf8\ub798 \uc804\ub9dd\uacfc \ubc1c\uc804 \ubc29\ud5a5\uc744 \ub17c\uc758\ud558\uba70, \uc9c0\uc18d \uac00\ub2a5\ud55c \ub514\uc9c0\ud138 \ud601\uc2e0\uc744 \uc704\ud55c \uae30\ubc18\uc744 \uc81c\uc2dc\ud558\uc600\uc2b5\ub2c8\ub2e4.<\/p>\n\ubcf8 \uae00\uc774 \uc81c\uc2dc\ud55c \ub0b4\uc6a9\ub4e4\uc740 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uae30\uc220 \ubc0f \uc2dc\uc2a4\ud15c \uc6b4\uc601\uc758 \ucd5c\uc804\uc120\uc5d0\uc11c \ud65c\uc57d\ud558\ub294 \uc804\ubb38\uac00\ub4e4\uc774 \uc2e4\uc81c\ub85c \uacaa\uc740 \uc0ac\ub840\uc640 \uae30\uc220\uc801 \ub178\ud558\uc6b0\ub97c \ubc14\ud0d5\uc73c\ub85c \uad6c\uc131\ub418\uc5c8\uc73c\uba70, \uc774\ub294 \ub3c5\uc790 \uc5ec\ub7ec\ubd84\uc774 \ud5a5\ud6c4 \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uc791\uc5c5\uc5d0 \uc788\uc5b4\uc11c \uc2e4\uc9c8\uc801 \ub3c4\uc6c0\uc744 \ubc1b\uc744 \uc218 \uc788\ub3c4\ub85d \ub9c8\ub828\ub41c \uc790\ub8cc\uc785\ub2c8\ub2e4.<\/p>\n\uacb0\uad6d, Zero-downtime Migration\uc740 \ub2e8\uc21c \uae30\uc220 \ub3c4\uc785\uc744 \ub118\uc5b4 \uae30\uc5c5\uc758 \ube44\uc988\ub2c8\uc2a4 \uc804\ub7b5\uacfc \uc6b4\uc601 \ucca0\ud559\uc758 \ud575\uc2ec\uc73c\ub85c \uc790\ub9ac\uc7a1\uc544 \uac00\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uace0\uac1d \uc2e0\ub8b0\uc640 \ub370\uc774\ud130 \uc548\uc815\uc131\uc744 \ub3d9\uc2dc\uc5d0 \ud655\ubcf4\ud558\uba70, \ubbf8\ub798\uc758 \ub514\uc9c0\ud138 \ud658\uacbd\uc5d0 \uc720\uc5f0\ud558\uac8c \ub300\uc751\ud560 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\uc55e\uc73c\ub85c \uae30\uc220\uc758 \ubc1c\uc804\uacfc \ub354\ubd88\uc5b4, Zero-downtime Migration\uc5d0 \uad00\ud55c \uc0c8\ub85c\uc6b4 \uc0ac\ub840\uc640 \ub3c4\uad6c\ub4e4\uc774 \ub4f1\uc7a5\ud560 \uac83\uc73c\ub85c \uc608\uc0c1\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubcc0\ud654\uc5d0 \ubbf8\ub9ac \ub300\ube44\ud558\uace0, \uc9c0\uc18d\uc801\uc778 \ud559\uc2b5\uacfc \uc2e4\ubb34 \uc801\uc6a9\uc744 \ud1b5\ud574 \uae30\uc5c5\uc740 \uc548\uc815\uc801\uc778 \uc11c\ube44\uc2a4 \uc6b4\uc601\uacfc \uc131\uc7a5\uc758 \uae30\ubc18\uc744 \ub9c8\ub828\ud560 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\ub3c5\uc790 \uc5ec\ub7ec\ubd84\uaed8\uc11c\ub294 \ubcf8 \ud3ec\uc2a4\ud2b8\ub97c \ud1b5\ud574 Zero-downtime Migration\uc758 \ud544\uc694\uc131\uacfc \uad6c\ud604 \ubc29\ubc95, \uadf8\ub9ac\uace0 \uadf8 \uc2e4\uc81c \ud6a8\uacfc\uc5d0 \ub300\ud574 \uae4a\uc774 \uc788\ub294 \uc774\ud574\ub97c \ud558\uc2e4 \uc218 \uc788\uae30\ub97c \ubc14\ub77c\uba70, \uc774\ub97c \ubc14\ud0d5\uc73c\ub85c \ud5a5\ud6c4 \uc2dc\uc2a4\ud15c \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uc804\ub7b5\uc744 \ub354\uc6b1 \ubc1c\uc804\uc2dc\ud0a4\ub294 \uacc4\uae30\uac00 \ub418\uc2dc\uae38 \ud76c\ub9dd\ud569\ub2c8\ub2e4.<\/p>\n\ub9c8\uc9c0\ub9c9\uc73c\ub85c, Zero-downtime Migration\uc740 \ub2e8\uc21c\ud788 \ub370\uc774\ud130\ub97c \uc62e\uae30\ub294 \uae30\uc220 \uc774\uc0c1\uc758 \uc758\ubbf8\ub97c \uac00\uc9c0\uba70, \uc804\ubc18\uc801\uc778 IT \uc778\ud504\ub77c\uc640 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc544\ud0a4\ud14d\ucc98\uc758 \uc9c4\ud654\uc640 \uc9c1\uacb0\ub429\ub2c8\ub2e4. \uc5ec\ub7ec\ubd84\uaed8\uc11c \uc774 \uae00\uc744 \ud1b5\ud574 \uc5bb\uc740 \ud1b5\ucc30\ub825\uc774 \ubcf4\ub2e4 \uc548\uc804\ud558\uace0 \ud601\uc2e0\uc801\uc778 \uc11c\ube44\uc2a4 \ud658\uacbd \uad6c\ucd95\uc5d0 \ud070 \ub3c4\uc6c0\uc774 \ub418\uae30\ub97c \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"\uc11c\ube44\uc2a4 \uc911\ub2e8 \uc5c6\uc774 DB \ub9c8\uc774\uadf8\ub808\uc774\uc158\uc744 \uc218\ud589\ud558\ub294 Zero-downtime Migration \ud328\ud134. \ubb34\uc911\ub2e8 \uc774\uc804\uc73c\ub85c \uc548\uc815\uc801 \uc2dc\uc2a4\ud15c \uc6b4\uc601\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":55233,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1957],"tags":[2119,2104,614],"class_list":["post-55229","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-development","tag-api","tag-data","tag-netflix"],"acf":[],"_links":{"self":[{"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/posts\/55229","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=55229"}],"version-history":[{"count":1,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/posts\/55229\/revisions"}],"predecessor-version":[{"id":55232,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/posts\/55229\/revisions\/55232"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/media\/55233"}],"wp:attachment":[{"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/media?parent=55229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/categories?post=55229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m9js.shop\/blog\/wp-json\/wp\/v2\/tags?post=55229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":55229,"date":"2025-03-08T20:07:20","date_gmt":"2025-03-08T11:07:20","guid":{"rendered":"https:\/\/m9js.shop\/blog\/development\/zero-downtime-migration-pattern-db-migration-without-service-interruption"},"modified":"2025-03-08T20:07:22","modified_gmt":"2025-03-08T11:07:22","slug":"zero-downtime-migration-pattern-db-migration-without-service-interruption","status":"publish","type":"post","link":"https:\/\/m9js.shop\/blog\/development\/zero-downtime-migration-pattern-db-migration-without-service-interruption","title":{"rendered":"Zero-downtime Migration \ud328\ud134: \uc11c\ube44\uc2a4 \uc911\ub2e8 \uc5c6\uc774 DB \ub9c8\uc774\uadf8\ub808\uc774\uc158 \uc9c4\ud589"},"content":{"rendered":"

\n
\ubaa9\ucc28<\/h2>\n