{"id":1864,"date":"2015-01-18T04:21:14","date_gmt":"2015-01-18T04:21:14","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/?p=1864"},"modified":"2025-10-09T07:16:05","modified_gmt":"2025-10-09T14:16:05","slug":"inside-couchbase-server-database-change-protocol-the-super-conductor-that-wires-couchbase-server","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/ko\/inside-couchbase-server-database-change-protocol-the-super-conductor-that-wires-couchbase-server\/","title":{"rendered":"\ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubcc0\uacbd \ud504\ub85c\ud1a0\ucf5c: \uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uc11c\ubc84 3.0 \ubcf5\uc81c\ub97c \uc5f0\uacb0\ud558\ub294 \uc288\ud37c \ucee8\ub355\ud130"},"content":{"rendered":"<p class=\"p1\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\"><span class=\"s1\">DCP(\ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubcc0\uacbd \ud504\ub85c\ud1a0\ucf5c)\ub294 \ubc84\uc804 3.0\uc758 \ud575\uc2ec \ubcf5\uc81c \ud504\ub85c\ud1a0\ucf5c\ub85c, \uc9c0\ub9ac\uc801\uc73c\ub85c \ubd84\uc0b0\ub41c \ub370\uc774\ud130\uc13c\ud130\uc758 \ub178\ub4dc\uc640 \ud074\ub7ec\uc2a4\ud130\ub97c \uc5f0\uacb0\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774 \uac8c\uc2dc\ubb3c\uc5d0\uc11c\ub294 \uc774 \ud504\ub85c\ud1a0\ucf5c\uc758 \uc791\ub3d9 \ubc29\uc2dd\uacfc Couchbase Server 3.0\uc744 \ud1b5\ud574 \uac00\uc6a9\uc131, \uc131\ub2a5 \ubc0f \ud655\uc7a5\uc131\uc744 \ub192\uc774\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.\u00a0\u00a0<\/span><\/p>\n<p class=\"p1\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\"><span class=\"s1\">\ubcf5\uc81c\uac00 \ubaa8\ub4e0 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0\uc11c \uc911\uc694\ud55c \ubd80\ubd84\uc778 \uc774\uc720\ubd80\ud130 \uc2dc\uc791\ud558\uaca0\uc2b5\ub2c8\ub2e4: \"\uc774\uc720\"\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:\u00a0<\/span><\/p>\n<ul class=\"ul1\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\">\n<li class=\"li1\"><span class=\"s1\">\ub370\uc774\ud130 \ubcf4\ud638: \ubcf5\uc81c\ub294 \ub85c\uceec \ubc0f \uad50\ucc28 \ub370\uc774\ud130 \uc13c\ud130 \ubcf5\uc81c \ud53c\ub4dc\ub97c \uc720\uc9c0\ud558\uc5ec \uc7a5\uc560\ub85c\ubd80\ud130 \ubcf4\ud638\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub370\uc774\ud130\ubca0\uc774\uc2a4\uac00 \ubcf5\uc81c\ubcf8\uc5d0 \ub370\uc774\ud130\ub97c \uc5bc\ub9c8\ub098 \ube68\ub9ac \ubcf5\uc81c\ud560 \uc218 \uc788\ub294\uc9c0\uc5d0 \ub530\ub77c \ub370\uc774\ud130 \uc190\uc2e4 \uae30\uac04\uc774 \uacb0\uc815\ub429\ub2c8\ub2e4. \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ubcf5\uc81c \ud6a8\uc728\uc774 \ub0ae\uc744\uc218\ub85d \ub370\uc774\ud130 \uc190\uc2e4 \uae30\uac04\ub3c4 \ucee4\uc9d1\ub2c8\ub2e4!<\/span><\/li>\n<li class=\"li1\"><span class=\"s1\">\ub354 \uc2e0\uc120\ud55c \uc778\ub371\uc2a4 \uc81c\uacf5: \ubcf5\uc81c\ub294 Couchbase\uc5d0\uc11c \ubdf0\ub97c \uc5c5\ub370\uc774\ud2b8\ud558\ub294 \uc218\ub2e8\uc774\uae30\ub3c4 \ud569\ub2c8\ub2e4. \ucffc\ub9ac\uc5d0 \uc751\ub2f5\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \uc99d\ubd84 \ub9f5\/\ucd95\uc18c \uc778\ub371\uc2a4\ub294 \ucd5c\uc2e0 \uc0c1\ud0dc\ub85c \uc720\uc9c0\ud558\ub824\uba74 \ube60\ub978 \ud53c\ub4dc\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ud2b9\ud788 \ub370\uc774\ud130\uc758 \uc77c\uad00\ub41c \ubcf4\uae30\uac00 \ud544\uc694\ud55c \ucffc\ub9ac\uc758 \uacbd\uc6b0, \ubcf5\uc81c \ud53c\ub4dc\uac00 \ub180\ub77c\uc6b8 \uc815\ub3c4\ub85c \ube60\ub974\uace0 \ud6a8\uc728\uc801\uc774\uc9c0 \uc54a\uc73c\uba74 \ub2f5\ubcc0\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4!<\/span><\/li>\n<\/ul>\n<p class=\"p1\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\"><span class=\"s1\">\uadf8\ub807\ub2e4\uba74 DCP\uac00 \uacbd\uc7c1 \ubcf5\uc81c \ud504\ub85c\ud1a0\ucf5c\uacfc \ub2e4\ub978 \ud2b9\ubcc4\ud55c \uc810\uc740 \ubb34\uc5c7\uc77c\uae4c\uc694? 4\uac00\uc9c0 \uc8fc\uc694 \ud2b9\uc131\uc774 \uc788\uc2b5\ub2c8\ub2e4:\u00a0<\/span><\/p>\n<ul class=\"ul1\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\">\n<li class=\"li1\"><span class=\"s1\"><strong>\uc8fc\ubb38\ud558\uae30: <\/strong>DCP\ub294 \ub3cc\uc5f0\ubcc0\uc774\ub97c \uc8fc\ubb38\ud569\ub2c8\ub2e4. \uc774\ub294 \uc911\ub2e8\ub41c \ubd80\ubd84\uc744 \uae30\ub85d\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4.\u00a0<\/span><\/li>\n<li class=\"li1\"><span class=\"s1\"><strong>\ub2e4\uc2dc \uc2dc\uc791\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/strong> DCP\ub294 \uc9e7\uac70\ub098 \uc624\ub798 \uc9c0\uc18d\ub418\ub294 \uc7a5\uc560 \ud6c4 \uc7ac\uc2dc\uc791\uc744 \ucd5c\uc801\ud654\ud569\ub2c8\ub2e4.\u00a0<\/span><\/li>\n<li class=\"li1\"><span class=\"s1\"><strong>\uc77c\uad00\uc131: <\/strong>DCP\ub294 \uc77c\uad00\ub41c \uc2a4\ub0c5\uc0f7\uc744 \ud6a8\uc728\uc801\uc73c\ub85c \uc0dd\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/li>\n<li class=\"li1\"><span class=\"s1\"><strong>\uace0\uc131\ub2a5: <\/strong>DCP\ub294 \uba54\ubaa8\ub9ac \uae30\ubc18\uc785\ub2c8\ub2e4. \ud074\ub77c\uc774\uc5b8\ud2b8\uac00 \ub530\ub77c\uc7a1\uc744 \uc218 \uc788\ub294 \ud55c \uc5f4\uc2ec\ud788 \ubcc0\uacbd \uc0ac\ud56d\uc744 \uc2a4\ud2b8\ub9ac\ubc0d\ud569\ub2c8\ub2e4.<\/span><\/li>\n<\/ul>\n<h2 class=\"p1\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\"><strong>\uc544\ud0a4\ud14d\ucc98<\/strong><\/h2>\n<p class=\"p1\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\"><span class=\"s1\">DCP\uc758 \ub9c8\ubc95\uc758 \ub300\ubd80\ubd84\uc744 \uad6c\uc131\ud558\ub294 \uc138 \uac00\uc9c0 \uc694\uc18c, \uc989 vbucket UUID, \uc2dc\ud000\uc2a4 \ubc88\ud638 \ubc0f \uc7a5\uc560 \uc870\uce58 \ub85c\uadf8\uac00 \uc788\uc2b5\ub2c8\ub2e4. vbuckets\uc640 \uac19\uc740 \uba87 \uac00\uc9c0 \uac1c\ub150\uc740 \uc774\ubbf8 \uc54c\uace0 \uacc4\uc2dc\ub9ac\ub77c \uac00\uc815\ud558\uaca0\uc2b5\ub2c8\ub2e4. (\uc790\uc138\ud55c \ub0b4\uc6a9\uc740\u00a0<a href=\"https:\/\/developer.couchbase.com\/documentation\/server\/3.x\/admin\/Concepts\/concept-vBucket.html\">\uc5ec\uae30<\/a>\u00a0\uc5d0 \ub300\ud574). \uadf8\uac83\uc774 \ubb34\uc5c7\uc778\uc9c0 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4:<\/span><\/p>\n<p class=\"p1\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\"><span class=\"s1\">vbucket UUID\uc640 \ubcc0\uc774 \uc2dc\ud000\uc2a4 \ubc88\ud638\ub294 CouchBase Server\uc758 \uac01 \ubcc0\uc774\ub97c \uace0\uc720\ud558\uac8c \uc2dd\ubcc4\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uac1c\ub150\uc5d0 \ub300\ud574 \uc124\uba85\ud574\ub4dc\ub9ac\uc790\uba74, vbucket\uc740 Couchbase Server \ub0b4\uc758 \uc0e4\ub4dc\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.\u00a0<b>\uac01<\/b>\u00a0<b>vbucket\uc5d0\ub294 \uace0\uc720\ud55c UUID\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/b>\u00a0\ub97c \ud560\ub2f9\ud569\ub2c8\ub2e4.\u00a0<b>\uac01 \ub3cc\uc5f0\ubcc0\uc774\uc5d0\ub294 \uc2dc\ud000\uc2a4 \ubc88\ud638\uac00 \ud560\ub2f9\ub429\ub2c8\ub2e4.<\/b>. \uc2dc\ud000\uc2a4 \ubc88\ud638\ub294 \ub2e8\uc870\ub86d\uac8c \uc99d\uac00\ud558\ub294 \uc22b\uc790\uc774\uba70 \uac01 v\ubc84\ud0b7\uc73c\ub85c \ubc94\uc704\uac00 \uc9c0\uc815\ub429\ub2c8\ub2e4. \uc77c\uad00\uc131\uacfc \uc138\ubd84\ud654\ub41c \uc7ac\uac1c \uae30\ub2a5\uc758 \ub9c8\ubc95\uc740 \uc7a5\uc560 \uc870\uce58 \ub85c\uadf8\ub97c \ud1b5\ud574 \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4.\u00a0<b>\uac01 vbucket\uc740 \uc7a5\uc560 \uc870\uce58 \ub85c\uadf8\ub3c4 \uc720\uc9c0\ud569\ub2c8\ub2e4. <\/b>\uc7a5\uc560 \uc870\uce58 \ub85c\uadf8\uc5d0\ub294 \uc5ec\ub7ec \uc30d\uc758 vbucket UUID \ubc0f \uc2dc\ud000\uc2a4 \ubc88\ud638\uac00 \uae30\ub85d\ub429\ub2c8\ub2e4. \uccab \ubc88\uc9f8 \ud56d\ubaa9\uc740 \uc2dc\uac04\uc758 \uc2dc\uc791\uc744 \ud45c\uc2dc\ud558\uace0 \uac01\uac01\uc758 \uc0c8 \ud56d\ubaa9\uc740 \uc7a5\uc560 \uc870\uce58\ub97c \ud45c\uc2dc\ud569\ub2c8\ub2e4. \uc2dc\uc2a4\ud15c\uc758 \ub9c8\uc2a4\ud130 \ubc0f \ubcf5\uc81c v\ubc84\ud0b7\uc740 \ub3d9\uc77c\ud55c \uc7a5\uc560 \uc870\uce58 \ub85c\uadf8\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4. \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud558\uba74, \uc608\ub97c \ub4e4\uc5b4 \ub9c8\uc2a4\ud130 v\ubc84\ud0b7\uc5d0 \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud558\uba74 \ubcf5\uc81c v\ubc84\ud0b7\uc774 \ub9c8\uc2a4\ud130 v\ubc84\ud0b7\uc73c\ub85c \uc5c5\ub370\uc774\ud2b8\ub429\ub2c8\ub2e4. \uc0c8 \ub9c8\uc2a4\ud130 v\ubc84\ud0b7 \uc7a5\uc560 \uc870\uce58 \ub85c\uadf8 \ud56d\ubaa9\uc5d0\ub294 \uc0c8 \ub9c8\uc2a4\ud130 v\ubc84\ud0b7\uc758 UUID\uc640 \ub9c8\uc9c0\ub9c9 \uc2dc\ud000\uc2a4 \ubc88\ud638\uac00 \uae30\ub85d\ub418\uace0 \uc774\ub97c \ubcf5\uc81c v\ubc84\ud0b7\uc5d0 \ubcf5\uc81c\ud558\uc5ec \ud574\ub2f9 \uc0c1\ud669\uc744 \ud45c\uc2dc\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uae30\ubcf8\uc801\uc778 \uba54\ucee4\ub2c8\uc998\uc744 \ud1b5\ud574 \ub9ce\uc740 \ub9c8\ubc95\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4. \ub2e4\uc74c \uc139\uc158\uc5d0\uc11c\ub294 DCP 3.0\uc5d0\uc11c \uac1c\uc120\ub41c \uc8fc\uc694 \uc791\uc5c5 \uba87 \uac00\uc9c0\ub97c \uc0b4\ud3b4\ubcf4\uace0 \uc774\ub7ec\ud55c \uba54\ucee4\ub2c8\uc998\uc774 \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud558\ub294\uc9c0 \uc124\uba85\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<h2 class=\"p2\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\"><strong>\uc99d\ubd84 \ubc31\uc5c5<\/strong><\/h2>\n<p class=\"p1\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\"><span class=\"s1\">3.0\uc744 \uc0ac\uc6a9\ud558\uba74 \ubc31\uc5c5 \uc800\uc7a5 \ud6a8\uc728\uc744 100\ubc30 \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4: 3.0\uc5d0\uc11c\ub294 \uc804\uccb4 \ubc31\uc5c5\uc744 \uc99d\ubd84 \ubc31\uc5c5\uc73c\ub85c \ubcf4\uc644\ud558\uc5ec \uc2a4\ud1a0\ub9ac\uc9c0 \ud6a8\uc728\uc131\uc744 \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc99d\ubd84 \ubc31\uc5c5\uc740 \ub9c8\uc9c0\ub9c9 \uc804\uccb4 \ubc31\uc5c5, \ub204\uc801 \ubc31\uc5c5 \ub610\ub294 \uc99d\ubd84 \ubc31\uc5c5 \uc774\ud6c4 \ubcc0\uacbd\ub41c \ub370\uc774\ud130\ub9cc \ubc31\uc5c5\ud569\ub2c8\ub2e4. \ub9e4\ubc88 \uc804\uccb4 \uc2a4\ub0c5\uc0f7\uc744 \ucc0d\ub294 \ub300\uc2e0 \uc804\uccb4 \uc2a4\ub0c5\uc0f7\uc744 \ucc0d\uace0 \uc99d\ubd84 \ub610\ub294 \ub204\uc801 \ubc31\uc5c5 \uccb4\uc778\uc744 \ub9cc\ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. Vbucket UUID, \uc2dc\ud000\uc2a4 \ubc88\ud638 \ubc0f \uc7a5\uc560 \uc870\uce58 \ub85c\uadf8\ub294 \ubaa8\ub450 \ubc31\uc5c5 \uccb4\uc778 \uac04\uc5d0 \uc77c\uad00\uc131\uc744 \uc720\uc9c0\ud558\ub294 \ub370 \ud544\uc694\ud55c \uba54\ud0c0\ub370\uc774\ud130\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/span><\/p>\n<h2 class=\"p1\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\"><strong>\ubdf0 \ubc0f \uc99d\ubd84 \ub9f5\/\ucd95\uc18c \ucc98\ub9ac<\/strong><\/h2>\n<p class=\"p1\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\"><span class=\"s1\">\uc9c0\uc5f0 \uc2dc\uac04\uc774 \uc9e7\uc740 \ubdf0 \ucffc\ub9ac\ub294 \uc2e0\uc18d\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \ud575\uc2ec\uc774\uba70, 3.0\uc5d0\uc11c\ub294 \ubdf0 \ucffc\ub9ac \uc9c0\uc5f0 \uc2dc\uac04\uc774 50\ubc30 \uac1c\uc120\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ub9f5\/\ucd95\uc18c\ub294 Hadoop \uc138\uacc4\uc5d0\uc11c \ud55c\ub3d9\uc548 \uc0ac\uc6a9\ub418\uc5b4 \uc654\uc9c0\ub9cc, Couchbase\ub294 \ubdf0\uc5d0\uc11c \ucffc\ub9ac\ub97c \ubbf8\ub9ac \uacc4\uc0b0\ud560 \uc218 \uc788\ub3c4\ub85d \ub9f5\/\ucd95\uc18c\uc758 \uc99d\ubd84 \ucc98\ub9ac \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774\uac83\uc774 \ubc14\ub85c \uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uc11c\ubc84\uac00 \uc9c0\uc5f0 \uc2dc\uac04\uc774 \uc9e7\uc740 \ucffc\ub9ac\ub97c \uc81c\uacf5\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4. \uc99d\ubd84 \ucc98\ub9ac \uc5d4\uc9c4\uc740 DCP \uc2a4\ud2b8\ub9bc\uc5d0 \uc758\ud574 \uacf5\uae09\ub429\ub2c8\ub2e4. \ubcc0\uc774\uac00 \uba54\ubaa8\ub9ac\uc5d0 \ub3c4\ucc29\ud558\uba74 \ub514\uc790\uc778 \ubb38\uc11c\uc640 \uadf8 \uc548\uc5d0 \uc788\ub294 \ubdf0\ub85c \ucc98\ub9ac\ud558\uae30 \uc704\ud574 \uc2a4\ud2b8\ub9ac\ubc0d\ub429\ub2c8\ub2e4. \uc2a4\ud2b8\ub9ac\ubc0d\uc740 \uc774\uc804 \ubc84\uc804\uc5d0 \ube44\ud574 \uc778\ub371\uc2a4\uc758 \ucd5c\uc2e0\uc131\uc744 50\ubc30 \uc774\uc0c1 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4. \ub9ce\uc740 \ucffc\ub9ac\uc5d0\ub294 \uc77c\uad00\uc131\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uac1c\ubc1c\uc790\ub294 \ubdf0\uc758 \uc77c\uad00\uc131\uc5d0 \ub300\ud55c \uc635\uc158\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc778\ub371\uc2a4\uac00 \uc5b4\ub290 \uc2dc\uc810\uc5d0\uc11c \ucc98\ub9ac\ud55c \uac83\uc744 \ucffc\ub9ac\ud558\uac70\ub098(stale=ok), \ucffc\ub9ac \uc2dc\uc810\uae4c\uc9c0\uc758 \ubaa8\ub4e0 \ubcc0\uc774\uac00 \ud3ec\ud568\ub41c \ubdf0\ub97c \ucffc\ub9ac\ud558\ub3c4\ub85d \uc694\uccad\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4(stale=false). DCP\ub294 \ubcc0\uacbd \uc0ac\ud56d\uc744 \ub9e4\uc6b0 \ube60\ub974\uac8c \ubdf0 \ud504\ub85c\uc138\uc11c\ub85c \uc2a4\ud2b8\ub9ac\ubc0d\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \ud2b9\ud788 \ud6c4\uc790\uc758 \ucffc\ub9ac \uc720\ud615\uc5d0\uc11c \ube5b\uc744 \ubc1c\ud569\ub2c8\ub2e4.\u00a0<\/span><\/p>\n<h2 class=\"p1\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\"><strong>\ube60\ub978 \ub9ac\ubc38\ub7f0\uc2f1\uc744 \uc704\ud55c \ub378\ud0c0 \ubcf5\uad6c<\/strong><\/h2>\n<p class=\"p1\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\"><span class=\"s1\">\ubb38\uc81c\ub85c \uc778\ud574 \uc7a5\uc560 \uc870\uce58\ub41c \ub178\ub4dc\ub97c \ud074\ub7ec\uc2a4\ud130\ub85c \ub2e4\uc2dc \uac00\uc838\uc624\ub294 \uacbd\uc6b0, \ub354 \uc774\uc0c1 \uba87 \uc2dc\uac04 \ub610\ub294 \uba70\uce60\uc744 \ub418\ub3cc\ub824\uc11c \ub178\ub4dc\uc5d0 \ubcc0\uacbd \uc0ac\ud56d\uc744 \ub2e4\uc2dc \uc804\uc1a1\ud560 \ud544\uc694\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. vbucket UUID, \uc2dc\ud000\uc2a4 \ubc88\ud638 \ubc0f \uc7a5\uc560 \uc870\uce58 \ub85c\uadf8\ub97c \ud1b5\ud574 DCP\ub294 \uc911\ub2e8\ub41c \uc9c0\uc810\ubd80\ud130 \ub9e4\uc6b0 \uc138\ubc00\ud558\uac8c \ub2e4\uc2dc \uc2dc\uc791\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc218\uc2e0 \ub178\ub4dc\uac00 \ud074\ub7ec\uc2a4\ud130\uc5d0\uc11c \uba87 \ubd84 \ub3d9\uc548 \ubd80\uc7ac\ud55c \uacbd\uc6b0, \ub378\ud0c0 \ub178\ub4dc \ubcf5\uad6c \uc635\uc158\uc744 \uc0ac\uc6a9\ud558\uc5ec \ucd5c\uadfc \uba87 \ubd84 \ub3d9\uc548\uc758 \ub204\ub77d\ub41c \ubcc0\uc774\ub97c \uc218\uc2e0\ud558\ub294 \uac83\ub9cc\uc73c\ub85c \uac04\ub2e8\ud788 \ubcf5\uad6c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud2b9\ud788 \ub178\ub4dc\ub2f9 \ub370\uc774\ud130 \ud06c\uae30\uac00 \ubc29\ub300\ud55c \uacbd\uc6b0, \ub378\ud0c0 \ub178\ub4dc \ubcf5\uad6c\ub97c \ud1b5\ud574 \ub9ac\ubc38\ub7f0\uc2f1 \uc2dc\uac04\uc774 100\ubc30 \uc774\uc0c1 \uac1c\uc120\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<h2 class=\"p1\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\"><strong><span style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS'\">\"ReplicateTo\"\ub97c \ud1b5\ud55c \ub0b4\uad6c\uc131 \ubcf4\uc7a5\u00a0<\/span><\/strong><\/h2>\n<p class=\"p1\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\"><span class=\"s1\">\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uc11c\ubc84\uc5d0\ub294 \uc77c\uad00\uc131\uc774 \ub0b4\uc7a5\ub418\uc5b4 \uc788\uc5b4 \uba54\ubaa8\ub9ac\uc5d0 \ubcc0\ud615\uc744 \uc4f0\ub354\ub77c\ub3c4 \ubb38\uc81c \uc5c6\uc774 \"\uc790\uccb4 \uc4f0\uae30\"\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ub9ce\uc740 \uac1c\ubc1c\uc790\ub294 \ub370\uc774\ud130 \uc190\uc2e4 \uc5c6\uc774 \ub178\ub4dc \uc7a5\uc560\ub97c \uacac\ub51c \uc218 \uc788\ub3c4\ub85d \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub300\ud55c \ub0b4\uad6c\uc131 \ubcf4\uc7a5\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc77c\ubd80\ub294 \uc804\ud1b5\uc801\uc778 \ub514\uc2a4\ud06c \uc9c0\uc18d\uc131\uc5d0 \uc758\uc874\ud558\uc9c0\ub9cc, \ub354 \ub098\uc740 \uac00\uc6a9\uc131\uacfc \ubcf5\uad6c \uac00\ub2a5\uc131\uc744 \uc704\ud574 Couchbase\uc758 \ub9ce\uc740 \uac1c\ubc1c\uc790\ub4e4\uc740 \ub370\uc774\ud130\uc758 \ub0b4\uad6c\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \ubcf5\uc81c\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4. \uc774\ub294 \uae30\ubcf8 couchbase SDK\uc758 ReplicateTo \uba54\uc11c\ub4dc\ub97c \ud1b5\ud574 \uc218\ud589\ub429\ub2c8\ub2e4. ReplicateTo\ub294 \ubcc0\uc774\uac00 \ud558\ub098 \uc774\uc0c1\uc758 \ub2e4\ub978 \ubcf5\uc81c\ubcf8\uc5d0 \ubcf5\uc81c\ub41c \ud6c4\uc5d0 \ubc18\ud658\ub418\ub294 \uac83\uc744 \ud655\uc778\ud569\ub2c8\ub2e4. DCP\uc758 \uace0\uc131\ub2a5 \uc2a4\ud2b8\ub9ac\ubc0d \ubcf5\uc81c\ub97c \uc0ac\uc6a9\ud558\uba74 \ubcc0\uc774\ub97c \ucd5c\ub300 180\ubc30 \ube60\ub974\uac8c \ubcf5\uc81c\ubcf8\uc5d0 \ubcf5\uc81c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud074\ub77c\uc6b0\ub4dc\uc5d0\uc11c \ud14c\uc2a4\ud2b8\ud55c \uacb0\uacfc 'ReplicateTo'\ub97c \uc0ac\uc6a9\ud558\uba74 1~2ms \uc774\ub0b4\uc758 \uc9c0\uc5f0 \uc2dc\uac04\uc744 \ubcf4\uc558\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc774\ub7ec\ud55c \uc808\ub300\uc801\uc778 \uc218\uce58\ub294 \uc2e4\ud589 \uc911\uc778 \uc778\ud504\ub77c\uc640 HW\uc758 \ud488\uc9c8\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc73c\ubbc0\ub85c \uc2e0\uc911\ud558\uac8c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.\u00a0<\/span><\/p>\n<h2 class=\"p1\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\"><strong>\ub370\uc774\ud130 \uc13c\ud130 \uac04 \ubcf5\uc81c<\/strong><\/h2>\n<p class=\"p1\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\"><span class=\"s1\">\ub370\uc774\ud130 \uc13c\ud130 \uac04 \ubcf5\uc81c\uc778 XDCR\ub3c4 DCP\uc5d0 \uc758\uc874\ud569\ub2c8\ub2e4. \uba54\ubaa8\ub9ac\uc5d0\uc11c \ub2e4\ub978 \ub370\uc774\ud130\uc13c\ud130\ub85c \uc9c1\uc811 \uc2a4\ud2b8\ub9ac\ubc0d \ubcf5\uc81c\ub97c \ud558\uba74 \ub370\uc774\ud130\ub97c \ub354 \uc798 \ubcf4\ud638\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4! \ub450 \ud074\ub7ec\uc2a4\ud130 \uac04\uc758 \uc591\ubc29\ud5a5 \ubcf5\uc81c\ub97c \uc0c1\uc0c1\ud574 \ubcf4\uc138\uc694. \ud074\ub7ec\uc2a4\ud130 #1\uc5d0 \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud558\uba74 \ubcf5\uc81c \uc9c0\uc5f0 \uc2dc\uac04\uc774 \uac00\uc7a5 \uae34 \ud074\ub7ec\uc2a4\ud130\uc5d0 \uc758\ud574 \uc190\uc2e4\ub418\ub294 \ub3cc\uc5f0\ubcc0\uc774\uc758 \uc591\uc774 \uacb0\uc815\ub429\ub2c8\ub2e4. \ube60\ub978 \ubcf5\uc81c\ub294 \uc774\ubc88\uacfc \uac19\uc740 \uc9c0\uc5ed\uc801 \uc7ac\ub09c \uc0c1\ud669\uc5d0\uc11c \ub370\uc774\ud130 \uc190\uc2e4 \ub178\ucd9c\uc774 \ucd5c\uc18c\ud654\ub41c\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4! \uc6b0\ub9ac\ub294\u00a0<b>\ubcf5\uc81c \uc9c0\uc5f0 \uc2dc\uac04 4\ubc30 \uac1c\uc120<\/b>\u00a0\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uc11c\ubc84 3.0\uc5d0\uc11c XDCR\uc744 \uc0ac\uc6a9\ud558\uc138\uc694.\u00a0<\/span><\/p>\n<p class=\"p1\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\"><span class=\"s1\">XDCR\uc740 \ub610\ud55c \ub124\ud2b8\uc6cc\ud06c \uc624\ub958\uc640 \ub538\uafb9\uc9c8\uc774 \ubc1c\uc0dd\ud558\uae30 \uc26c\uc6b0\ubbc0\ub85c \uc774\ub7ec\ud55c \ubb38\uc81c\uc5d0\uc11c \ube60\ub974\uac8c \ubcf5\uad6c\ud558\uace0 \uc815\uc0c1\ud654\ud560 \uc218 \uc788\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4! DCP \uba54\ud0c0\ub370\uc774\ud130\ub97c \uc0ac\uc6a9\ud558\uba74 \ud1b5\uc2e0 \uc7a5\uc560 \uc2dc \uc911\ub2e8\ub41c \ubd80\ubd84\ubd80\ud130 \ube60\ub974\uac8c \ubcf5\uad6c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\u00a0<\/span><\/p>\n<p class=\"p2\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\"><span class=\"s1\">\uc774\ub294 DCP\uac00 Couchbase Server\uc758 \uae30\ub2a5\uc744 \ud655\uc7a5\ud558\ub294 \ubc29\ubc95\uc758 \uba87 \uac00\uc9c0 \uc608\uc5d0 \ubd88\uacfc\ud569\ub2c8\ub2e4. \uadf8 \uc678\uc5d0\ub3c4 \ub9ce\uc740 \uae30\ub2a5\uc774 \uc788\uc2b5\ub2c8\ub2e4... \uc2e4\uc81c\ub85c Couchbase Server 3.0\uc5d0\ub294 200\uac1c \uc774\uc0c1\uc758 \uae30\ub2a5\uc774 \uc788\uc73c\uba70, \ub300\ubd80\ubd84 DCP\uac00 \uc81c\uacf5\ud558\ub294 \uac15\ub825\ud55c \uae30\ubc18 \ub355\ubd84\uc5d0 \uac00\ub2a5\ud55c \uae30\ub2a5\uc785\ub2c8\ub2e4.\u00a0<\/span><\/p>\n<p class=\"p1\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\"><span class=\"s1\">DCP\uc758 \uc7a5\uc560 \ucc98\ub9ac \ubc0f \uba54\ucee4\ub2c8\uc998\uc5d0 \ub300\ud574 \ub354 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uace0 \uc2f6\uc73c\uc2dc\ub2e4\uba74, Couchbase Connect\uc5d0\uc11c DCP\ub97c \ub2e4\ub8e8\ub294 \uc790\uc138\ud55c \uac15\uc5f0\uc744 \ubcf4\uc2e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span>\ub610\ub294<span class=\"s1\">\u00a0\uad6c\ud604\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 <a href=\"https:\/\/github.com\/couchbaselabs\/dcp-documentation\">\uae43\ud5c8\ube0c \uc0ac\uc774\ud2b8<\/a>.<\/span><\/p>\n<p class=\"p1\" style=\"font-family: sans-serif, Arial, Verdana, 'Trebuchet MS';line-height: 20.7999992370605px;text-align: left\"><span class=\"s1\">\uc990\uac70\uc6b4 \ud14c\uc2a4\ud2b8 \ub418\uc138\uc694.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Database Change Protocol (DCP) is the core\u00a0replication protocol for version\u00a03.0 and\u00a0is used to connect nodes\u00a0and clusters across geo distributed data centers. In this post, we&#8217;ll dive deep into its workings and how it enables higher availability,\u00a0performance and scale with Couchbase [&hellip;]<\/p>","protected":false},"author":7,"featured_media":13873,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[1977,1976,1562],"ppma_author":[8978],"class_list":["post-1864","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-database-change-protocol","tag-dcp","tag-replication"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v26.1.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Database Change Protocol: The super-conductor that wires Couchbase Server 3.0 replication - The Couchbase Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.couchbase.com\/blog\/ko\/inside-couchbase-server-database-change-protocol-the-super-conductor-that-wires-couchbase-server\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Database Change Protocol: The super-conductor that wires Couchbase Server 3.0 replication\" \/>\n<meta property=\"og:description\" content=\"Database Change Protocol (DCP) is the core\u00a0replication protocol for version\u00a03.0 and\u00a0is used to connect nodes\u00a0and clusters across geo distributed data centers. 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