{"id":4832,"date":"2018-03-19T07:00:32","date_gmt":"2018-03-19T14:00:32","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/?p=4832"},"modified":"2025-06-13T23:43:12","modified_gmt":"2025-06-14T06:43:12","slug":"document-conflicts-couchbase-mobile","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/ko\/document-conflicts-couchbase-mobile\/","title":{"rendered":"\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ubaa8\ubc14\uc77c 2.0\uc758 \ubb38\uc11c \ucda9\ub3cc \ubc0f \ud574\uacb0 \ubc29\ubc95"},"content":{"rendered":"<p>\ud55c \uba85 \uc774\uc0c1\uc758 \uc791\uc131\uc790\uac00 \ub3d9\uc2dc\uc5d0 \ubb38\uc11c\ub97c \uc5c5\ub370\uc774\ud2b8\ud560 \uc218 \uc788\ub294 \ub370\uc774\ud130 \ub3d9\uae30\ud654\ub97c \uc9c0\uc6d0\ud558\ub294 \ubd84\uc0b0 \ud658\uacbd\uc5d0\uc11c \ubb38\uc11c \ucda9\ub3cc\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud2b9\ud788 \ub124\ud2b8\uc6cc\ud06c \uc5f0\uacb0\uc774 \ubd88\uc548\uc815\ud558\uc5ec \uc5ec\ub7ec \uc7a5\uce58\uc5d0\uc11c \ub3d9\uc2dc\uc5d0 \ubcc0\uacbd\ud55c \ub0b4\uc6a9\uc774 \uc801\uc2dc\uc5d0 \ub3d9\uae30\ud654\ub418\uc9c0 \uc54a\ub294 \ubaa8\ubc14\uc77c \ud658\uacbd\uc5d0\uc11c \uc790\uc8fc \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc608\ub97c \ub4e4\uc5b4 \ubb38\uc11c\uac00 \ub85c\uceec\uc5d0\uc11c \uc5c5\ub370\uc774\ud2b8\ub418\ub294 \ub3d9\uc548 \uc6d0\uaca9 \uc11c\ubc84\uc5d0\uc11c \ud074\ub77c\uc774\uc5b8\ud2b8\ub85c \ubb38\uc11c \ubcc0\uacbd \ub0b4\uc6a9\uc774 \ub0b4\ub824\uc624\ub294 \uacbd\uc6b0\uc640 \uac19\uc774 \ud074\ub77c\uc774\uc5b8\ud2b8 \uce21\uc5d0\uc11c\ub3c4 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc774\ub7ec\ud55c \ubb38\uc11c \ucda9\ub3cc\uc744 \ud574\uacb0\ud574\uc57c \ud569\ub2c8\ub2e4. \u00a0<a href=\"https:\/\/developer.couchbase.com\/documentation\/mobile\/2.0\/whatsnew.html\">\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ubaa8\ubc14\uc77c 2.0<\/a>\ub97c \uc18c\uac1c\ud569\ub2c8\ub2e4. <em>\"\uc790\ub3d9 \ucda9\ub3cc \ud574\uacb0\"<\/em> \ub610\ub294\u00a0<em>\"\ucda9\ub3cc \uc5c6\uc74c\"<\/em> \ubaa8\ub4dc\ub97c \uc0ac\uc6a9\ud558\uba74 \ucda9\ub3cc\uc774 \uc790\ub3d9\uc73c\ub85c \ucc98\ub9ac\ub418\uace0 Couchbase \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \ucda9\ub3cc\ud558\ub294 \ubb38\uc11c \uc218\uc815\ubcf8\uc774 \uc0ac\uc2e4\uc0c1 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc571 \uac1c\ubc1c\uc790\ub294 \uc2dc\uc2a4\ud15c\uc758 \uae30\ubcf8 \ucda9\ub3cc \ud574\uacb0\uae30\uac00 \uc790\ub3d9\uc73c\ub85c \ucc98\ub9ac\ud558\uae30 \ub54c\ubb38\uc5d0 \ucda9\ub3cc\uc744 \ucc98\ub9ac\ud558\uae30 \uc704\ud574 \uc571 \uce21\uc5d0\uc11c \ud2b9\ubcc4\ud788 \ud560 \uc77c\uc774 \uc5c6\uc744 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ud544\uc694\ud55c \uacbd\uc6b0 \ucda9\ub3cc\uc5d0 \ub300\ud55c \uc54c\ub9bc\uc744 \ubc1b\uace0 \uc801\uc808\ud55c \uc870\uce58\ub97c \ucde8\ud560 \uc218 \uc788\ub294 \uc635\uc158\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uac8c\uc2dc\ubb3c\uc5d0\uc11c\ub294 Couchbase Mobile 2.0\uc5d0\uc11c \ubb38\uc11c \ucda9\ub3cc\uc774 \uc790\ub3d9\uc73c\ub85c \ucc98\ub9ac\ub418\ub294 \ubc29\uc2dd\uc5d0 \ub300\ud55c \uae30\ubcf8 \uc0ac\ud56d\uc5d0 \ub300\ud574 \"<em>\uc790\ub3d9 \ucda9\ub3cc \ud574\uacb0<\/em>\" \ub610\ub294 \"<em>\ucda9\ub3cc \uc5c6\uc74c <\/em>\" \ubaa8\ub4dc\ub85c \uc804\ud658\ud569\ub2c8\ub2e4.<\/p>\n<p><!--more--><\/p>\n<p>&nbsp;<\/p>\n<h2 id=\"assumptions\">\uac00\uc815<\/h2>\n<p>\uc774 \uac8c\uc2dc\ubb3c\uc5d0\uc11c\ub294 \ub2e4\uc74c\uc744 \ud3ec\ud568\ud558\ub294 Couchbase Mobile \uc2a4\ud0dd\uc758 \uc544\ud0a4\ud14d\ucc98\uc5d0 \uc775\uc219\ud558\ub2e4\uace0 \uac00\uc815\ud569\ub2c8\ub2e4. <a href=\"https:\/\/developer.couchbase.com\/documentation\/mobile\/current\/guides\/couchbase-lite\/index.html\">\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ub77c\uc774\ud2b8<\/a> \ubaa8\ubc14\uc77c \ud074\ub77c\uc774\uc5b8\ud2b8\ub97c \uc704\ud55c \uc784\ubca0\ub514\ub4dc \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc778 <a href=\"https:\/\/developer.couchbase.com\/documentation\/mobile\/current\/guides\/sync-gateway\/index.html\">\ub3d9\uae30\ud654 \uac8c\uc774\ud2b8\uc6e8\uc774<\/a> \uadf8\ub9ac\uace0 <a href=\"https:\/\/developer.couchbase.com\/documentation\/server\/current\/introduction\/intro.html\">\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uc11c\ubc84<\/a>. \ud50c\ub7ab\ud3fc\uc744 \ucc98\uc74c \uc0ac\uc6a9\ud558\uc2dc\ub294 \ubd84\uc774\ub77c\uba74 \ub2e4\uc74c \ub0b4\uc6a9\uc744 \ucc38\uace0\ud558\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4. <a href=\"https:\/\/www.couchbase.com\/blog\/ko\/developers\/mobile\/\">\ub9ac\uc18c\uc2a4<\/a>.<\/p>\n<h2 id=\"background\">\ubc30\uacbd<\/h2>\n<p>\uc544\uc9c1 \uc77d\uc5b4\ubcf4\uc9c0 \uc54a\uc73c\uc168\ub2e4\uba74 \uc774 \uae00\uc744 \uba3c\uc800 \uc77d\uc5b4\ubcf4\uc2dc\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/www.couchbase.com\/blog\/ko\/conflict-resolution-couchbase-mobile\/\">\uc774\ud574\ud558\uae30 \uc26c\uc6b4 \uac08\ub4f1 \ud574\uacb0 \uac8c\uc2dc\ubb3c<\/a> \uac1c\uc694 \ub2e4\uc911 \ubc84\uc804 \ub3d9\uc2dc\uc131 \uc81c\uc5b4(MVCC) \uc2dc\uc2a4\ud15c\uc744 \ud3ec\ud568\ud558\uc5ec \uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ubaa8\ubc14\uc77c\uc5d0\uc11c \"\ucda9\ub3cc\uc774 \uc5c6\ub294\" \ubaa8\ub4dc\uc5d0\uc11c \ucda9\ub3cc \ud574\uacb0\uc774 \ucc98\ub9ac\ub418\ub294 \ubc29\uc2dd\uc5d0 \ub300\ud55c \uae30\ubcf8 \uc0ac\ud56d\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n<h3 id=\"documentrevisiontree\">\ubb38\uc11c \uc218\uc815\ubcf8 \ud2b8\ub9ac<\/h3>\n<p>\ucda9\ub3cc \ud574\uacb0 \ud504\ub85c\uc138\uc2a4\ub97c \uc774\ud574\ud558\ub824\uba74 \ubb38\uc11c\uac00 \uc800\uc7a5\ub418\ub294 \ubc29\uc2dd\uc5d0 \ub300\ud55c \uae30\ubcf8\uc801\uc778 \uc774\ud574\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. Couchbase Mobile\uc5d0\uc11c\ub294 \ubaa8\ub4e0 \ubb38\uc11c\uc5d0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc0dd\uc131\ub41c \uace0\uc720\ud55c \ub9ac\ube44\uc804 ID \ub610\ub294 <em>revID<\/em>. \uc774 ID\ub294 \ubb38\uc11c \uc218\uc815\ubcf8\uc5d0 \uac78\uccd0 \ub3d9\uc77c\ud558\uac8c \uc720\uc9c0\ub418\ub294 \ubb38\uc11c ID\uc5d0 \ucd94\uac00\ub429\ub2c8\ub2e4. \uc218\uc815\uc774\ub4e0 \uc0ad\uc81c\ub4e0 \ubb38\uc11c\uc5d0 \ub300\ud55c \ubaa8\ub4e0 \ubcc0\uacbd\uc740 \ubb38\uc11c\uc758 \uc0c8 \uc218\uc815\ubcf8\uc73c\ub85c \uac04\uc8fc\ub418\ubbc0\ub85c \uc0c8 \uc218\uc815\ubcf8 ID\uac00 \ud560\ub2f9\ub429\ub2c8\ub2e4.<\/p>\n<p>\ub610\ud55c \ubaa8\ub4e0 \ubb38\uc11c \uc218\uc815\ubcf8\uc5d0\ub294 \"<em>\uc138\ub300ID<\/em>\"\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. \ubb38\uc11c\ub97c \ucc98\uc74c \ub9cc\ub4e4\uba74 \uc218\uc815\ubcf8\uc774 \"<em>\uc138\ub300ID<\/em>\"\uc774\ud6c4 \uac1c\uc815\ud310\uc774 \uc5c5\ub370\uc774\ud2b8\ub420 \ub54c\ub9c8\ub2e4 \uc774 \uc22b\uc790\uac00 \uc99d\uac00\ud569\ub2c8\ub2e4.<\/p>\n<p>\uae30\uc874 \ubb38\uc11c\ub97c \ubcc0\uacbd(\ud3b8\uc9d1 \ub610\ub294 \uc0ad\uc81c)\ud560 \ub54c\ub9c8\ub2e4 \uc791\uc131\uc790\ub294 \uc5c5\ub370\uc774\ud2b8 \uc911\uc778 \ubb38\uc11c\uc758 \ud604\uc7ac \ub9ac\ube44\uc804 ID\ub97c \ud3ec\ud568\ud574\uc57c \ud569\ub2c8\ub2e4. \ubcc0\uacbd \uc0ac\ud56d\uc5d0 \ub300\ud55c \uc0c8 \ub9ac\ube44\uc804\uc774 \uc0dd\uc131\ub418\uace0 \uc5c5\ub370\uc774\ud2b8 \uc911\uc778 \ud604\uc7ac \ub9ac\ube44\uc804\uc758 \ud558\uc704 \ub178\ub4dc\ub85c \ucd94\uac00\ub418\uc5b4 \ubb38\uc11c\uc758 \ub9ac\ube44\uc804 \ud2b8\ub9ac\uac00 \uc0dd\uc131\ub429\ub2c8\ub2e4.<\/p>\n<p>\ucc38\uace0 <em>\"revID\"<\/em> \ub294 \uc571\uc5d0\uc11c \ubd88\ud22c\uba85 \uac1d\uccb4\ub85c \ucde8\uae09\ub418\uc5b4\uc57c \ud558\uba70, \uc571\uc774 \ubd88\ud22c\uba85 \uac1d\uccb4\ub97c \uc0dd\uc131\ud558\ub824\uace0 \uc2dc\ub3c4\ud574\uc11c\ub294 \uc548\ub429\ub2c8\ub2e4. <em>\"revID\"<\/em>.<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2017\/05\/revision-tree-latest.png\" alt=\"\" \/><\/figure>\n<h2 id=\"howdocumentconflictsoccur\">\ubb38\uc11c \ucda9\ub3cc\uc774 \ubc1c\uc0dd\ud558\ub294 \ubc29\uc2dd<\/h2>\n<p>\ub192\uc740 \uc218\uc900\uc5d0\uc11c \ucda9\ub3cc\uc740 \uc5ec\ub7ec \uc791\uc131\uc790\uac00 \ub3d9\uc77c\ud55c \uc0c1\uc704 \ubb38\uc11c \uc218\uc815\ubcf8\uc744 \ubcc0\uacbd\ud560 \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n<h3 id=\"conflictatcouchbaselite\">\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ub77c\uc774\ud2b8\uc758 \ucda9\ub3cc<\/h3>\n<p>\uc544\ub798 \uadf8\ub9bc\uc740 \uc571\uc774 \uba54\ubaa8\ub9ac\uc5d0\uc11c \ubb38\uc11c \uc218\uc815\ubcf8\uc744 \uc5c5\ub370\uc774\ud2b8\ud558\ub294 \ub3d9\uc548 \ub3d9\uc77c\ud55c \uc218\uc815\ubcf8\uc774 \ud480 \ubcf5\uc81c\ub85c \uc778\ud574 \uc5c5\ub370\uc774\ud2b8\ub418\ub294 \uc2dc\ub098\ub9ac\uc624\ub97c \uc124\uba85\ud569\ub2c8\ub2e4.<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2018\/03\/cbl_conflict-1.png\" alt=\"\" \/><\/p>\n<h3 id=\"conflictatsyncgateway\">\ub3d9\uae30\ud654 \uac8c\uc774\ud2b8\uc6e8\uc774\uc758 \ucda9\ub3cc<\/h3>\n<p>\uc544\ub798 \uadf8\ub9bc\uc740 \ub450 \ud074\ub77c\uc774\uc5b8\ud2b8\uac00 \ub3d9\uc77c\ud55c \ubb38\uc11c \uc218\uc815\ubcf8\uc5d0 \ub300\ud55c \ubcc0\uacbd \ub0b4\uc6a9\uc744 \ud478\uc2dc\ud558\ub294 \uc2dc\ub098\ub9ac\uc624\ub97c \uc124\uba85\ud569\ub2c8\ub2e4.<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2017\/05\/conflict-basics-1.png\" alt=\"\" \/><\/p>\n<h2 id=\"conflictfreemodeincouchbasemobile2.0\">\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ubaa8\ubc14\uc77c 2.0\uc758 \ucda9\ub3cc \ud574\uacb0<\/h2>\n<p>In <em>\"\ucda9\ub3cc \uc5c6\uc74c\"<\/em> \ubaa8\ub4dc\uc5d0\uc11c \ub3d9\uae30\ud654 \uac8c\uc774\ud2b8\uc6e8\uc774\ub294 \uae30\ubcf8\uc801\uc73c\ub85c \ucda9\ub3cc\ud558\ub294 \ubaa8\ub4e0 \uc5c5\ub370\uc774\ud2b8\ub97c \uac70\ubd80\ud569\ub2c8\ub2e4. \ucda9\ub3cc\uc740 \ubb38\uc11c\uac00 \uc0dd\uc131, \uc5c5\ub370\uc774\ud2b8 \ub610\ub294 \uc0ad\uc81c\ub420 \ub54c \uc790\ub3d9\uc73c\ub85c \ud574\uacb0\ub429\ub2c8\ub2e4.<br \/>\n\ub530\ub77c\uc11c \uc774\uac83\uc774 \uc758\ubbf8\ud558\ub294 \ubc14\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \ucda9\ub3cc\ud558\ub294 \ubb38\uc11c\uac00 \uc800\uc7a5\ub418\uc5b4 \uc788\uc9c0 \uc54a\ub2e4\ub294 \uac83\uc774\uba70, \uc0ac\uc2e4\uc0c1 \"<em>\ucda9\ub3cc \uc5c6\uc74c<\/em>\". \uc774\uac83\uc774 \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud558\ub294\uc9c0 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h3 id=\"automaticconflictresolutionincouchbaselite2.0\">\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ub77c\uc774\ud2b8 2.0\uc758 \uc790\ub3d9 \ucda9\ub3cc \ud574\uacb0<\/h3>\n<p>\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ub77c\uc774\ud2b8 2.0\uc758 \ubaa8\ub4e0 \ubb38\uc11c\uc5d0\ub294 <em>\"\ucda9\ub3cc \ud574\uacb0\uc0ac\"<\/em> \ub97c \uc2dc\ub3c4\ud560 \ub54c \ucda9\ub3cc\uc774 \ubc1c\uc0dd\ud558\uba74 \uc2e4\ud589\ub429\ub2c8\ub2e4. <code>\uc800\uc7a5<\/code> \ub610\ub294 <code>\uc0ad\uc81c<\/code> \ubb38\uc11c\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4. \ucda9\ub3cc \ud574\uacb0 \uae30\ub2a5\uc740 \"<em>\uc6b0\uc2b9\uc790<\/em>'\ub97c \uc120\ud0dd\ud558\uba74 \ucda9\ub3cc\ud558\ub294 \uc218\uc815\ubcf8 \uc911 \uc774 \uc218\uc815\ubcf8\uc774 \ubb38\uc11c \uc218\uc815\ubcf8 \ud2b8\ub9ac\uc5d0 \uc790\uc2dd\uc73c\ub85c \ucd94\uac00\ub429\ub2c8\ub2e4.<\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2018\/01\/conflict-resolver-basics.png\" alt=\"\" \/><\/figure>\n<p>\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ub77c\uc774\ud2b8\uc5d0\uc11c \uc9c0\uc6d0\ud558\ub294 \ub3d9\uc2dc\uc131 \uc81c\uc5b4 \uc815\ucc45\uc740 \ub450 \uac00\uc9c0\uc785\ub2c8\ub2e4.<\/p>\n<h4 id=\"concurrencycontrolpolicy\">\ub3d9\uc2dc\uc131 \uc81c\uc5b4 \uc815\ucc45<\/h4>\n<h5 id=\"lastwritealwayswinsdefault:\"><strong>\ub9c8\uc9c0\ub9c9 \uc4f0\uae30\uac00 \ud56d\uc0c1 \uc2b9\ub9ac\ud569\ub2c8\ub2e4(\uae30\ubcf8\uac12):<\/strong><\/h5>\n<p>\uc774\ub294 \uae30\ubcf8 \ucda9\ub3cc \ud574\uacb0\uc0ac \uc815\ucc45\uc774\uae30\ub3c4 \ud569\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \ub300\ud55c \ub9c8\uc9c0\ub9c9 \uc5c5\ub370\uc774\ud2b8\uac00 \ud56d\uc0c1 \uc2b9\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc804\ud654\ud560 \ub54c <code>\uc800\uc7a5 \ubb38\uc11c<\/code> \uc778\uc218\uac00 \uc5c6\ub294 \uacbd\uc6b0 \uae30\ubcf8\uc801\uc73c\ub85c \uc801\uc6a9\ub418\ub294 \uc815\ucc45\uc785\ub2c8\ub2e4.<\/p>\n<p>\ub2e4\uc74c\uc740 \uc2a4\uc704\ud504\ud2b8\uc758 \ud1b5\ud654 \uc608\uc2dc\uc785\ub2c8\ub2e4.<\/p>\n<pre><code class=\"swift\"> let savedDocument = try saveDocument(docToSave)<\/code><\/pre>\n<p>\uc544\ub798 \uc608\uc2dc\ub97c \ud1b5\ud574 \uc774 \uc815\ucc45\uc758 \uc758\ubbf8\ub97c \uba85\ud655\ud788 \uc774\ud574\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\u00a0\uc608\ub97c \ub4e4\uc5b4, \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ubb38\uc11c\ub97c \uc77d\uc740 \uc774\ud6c4 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ubb38\uc11c\uac00 \uc5c5\ub370\uc774\ud2b8\ub418\uc5c8\uc74c\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \uc800\uc7a5\/\uc5c5\ub370\uc774\ud2b8 \uc694\uccad\uc774 \uc131\uacf5\ud558\ub294 \uacbd\uc6b0\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ubb38\uc11c\ub294 \ud480 \ubcf5\uc81c \ub610\ub294 \uc6d0\uaca9 \uc11c\ubc84\ub85c\ubd80\ud130\uc758 \ub370\uc774\ud130 \uac00\uc838\uc624\uae30\uc640 \uac19\uc740 \uc678\ubd80 \ud2b8\ub9ac\uac70\uc758 \uacb0\uacfc\ub85c \uc571\uc758 \ub2e4\ub978 \uc2a4\ub808\ub4dc\uc5d0 \uc758\ud574 \uc5c5\ub370\uc774\ud2b8\ub418\uc5c8\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc989, \ubb38\uc11c\ub97c \uc77d\uc740 \uc2dc\uc810\uacfc \uc5c5\ub370\uc774\ud2b8\ud55c \uc2dc\uc810 \uc0ac\uc774\uc5d0 \ubb38\uc11c\uc5d0 \uc801\uc6a9\ub41c \ubaa8\ub4e0 \ubcc0\uacbd \uc0ac\ud56d\uc744 \ub36e\uc5b4\uc4f4\ub2e4\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<figure><img decoding=\"async\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2018\/03\/conflict-free-last-write-wins.png\" alt=\"\" \/><\/figure>\n<ul>\n<li>\uc544\ub798\uc640 \uac19\uc774 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ubb38\uc11c\uac00 \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ubb38\uc11c\ub97c \uc77d\uc740 \uc774\ud6c4 \uc0ad\uc81c\ub418\uc5c8\uc74c\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \uc800\uc7a5\/\uc5c5\ub370\uc774\ud2b8 \uc694\uccad\uc774 \uc131\uacf5\ud569\ub2c8\ub2e4. \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ubb38\uc11c\ub294 \ud480 \ubcf5\uc81c \ub610\ub294 \uc6d0\uaca9 \uc11c\ubc84\ub85c\ubd80\ud130\uc758 \ub370\uc774\ud130 \uac00\uc838\uc624\uae30\uc640 \uac19\uc740 \uc678\ubd80 \ud2b8\ub9ac\uac70\uc758 \uacb0\uacfc\ub85c \uc571\uc758 \ub2e4\ub978 \uc2a4\ub808\ub4dc\uc5d0 \uc758\ud574 \uc5c5\ub370\uc774\ud2b8\ub418\uc5c8\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uc0ad\uc81c\ub41c \ubb38\uc11c\uac00 \uc800\uc7a5\uc758 \uacb0\uacfc\ub85c \ub2e4\uc2dc \ubd80\ud65c\ud560 \uc218 \uc788\ub2e4\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<figure><img decoding=\"async\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2018\/03\/conflict-free-last-write-wins-on-delete-1.png\" alt=\"\" \/><\/figure>\n<h5 id=\"failonconflict\"><strong>\ucda9\ub3cc \uc2dc \uc2e4\ud328<\/strong><\/h5>\n<p>\ub300\ubd80\ubd84\uc758 \uacbd\uc6b0 '\ub9c8\uc9c0\ub9c9 \uc4f0\uae30\uac00 \uc2b9\ub9ac'\ub77c\ub294 \uae30\ubcf8 \ub3d9\uc2dc\uc131 \uc81c\uc5b4 \uc815\ucc45\uc774 \uc791\ub3d9\ud560 \uac83\uc73c\ub85c \uc608\uc0c1\ub418\uc9c0\ub9cc, \ubb38\uc11c\ub97c \uc800\uc7a5\ud558\ub294 \ub3d9\uc548 \ucda9\ub3cc\uc774 \ubc1c\uc0dd\ud560 \uacbd\uc6b0 \uc54c\ub9bc\uc744 \ubc1b\ub3c4\ub85d \uc9c0\uc815\ud558\uc5ec \uae30\ubcf8 \ub3d9\uc791\uc744 \uc7ac\uc815\uc758\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc791\uc5c5\uc740 \uc120\ud0dd \uc0ac\ud56d\uc778 <em>ConcurrentControl<\/em> \uc778\uc218\ub97c \uc800\uc7a5 \uc694\uccad\uc758 \uc77c\ubd80\ub85c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p>\ubc18\ud658 \uac12 <code>false<\/code> \uc640 <em>\ub3d9\uc2dc\uc131 \uc81c\uc5b4 <\/em>\uc815\ucc45 <code>failOnConflict<\/code> \ub294 \ucda9\ub3cc\ub85c \uc778\ud574 \uc800\uc7a5\ub41c \ubb38\uc11c\uac00 \uc2e4\ud328\ud588\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774\uc81c \ucda9\ub3cc \uc624\ub958\ub97c \ucc98\ub9ac\ud558\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h4 id=\"handlingfailonconflicts\">\ucda9\ub3cc \uc2dc \uc2e4\ud328 \ucc98\ub9ac\ud558\uae30<\/h4>\n<p>\ucda9\ub3cc\uc744 \ucc98\ub9ac\ud558\ub294 \ubc29\ubc95\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc758\ubbf8\ub860\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uc2a4\uc704\ud504\ud2b8\uc5d0\uc11c \uc774\ub97c \ucc98\ub9ac\ud558\ub294 \ubc29\ubc95\uc758 \uc608\uc2dc\uc785\ub2c8\ub2e4(\ub2e4\ub978 \uc5b8\uc5b4\uc5d0 \uc27d\uac8c \ub9e4\ud551\ud560 \uc218 \uc788\uc74c).<\/p>\n<ul>\n<li><strong>\uc635\uc158 1:<\/strong>\u00a0<strong>\ucda9\ub3cc\ud558\ub294 \ubc84\uc804\uc758 \ubb38\uc11c\ub97c \ubcd1\ud569\ud558\uace0 \uc800\uc7a5\ud569\ub2c8\ub2e4.<\/strong><\/li>\n<\/ul>\n<pre><code class=\"swift\">do {\r\n    var success = false\r\n    repeat {\r\n        if try db.saveDocument(docToSave, concurrencyControl: .failOnConflict) {\r\n            \/\/ save was a success. docToSave is the new saved revision. Proceed as usual\r\n            success = true\r\n        }\r\n        else {\r\n            \/\/ Failure on save with failOnConflict mode\r\n            \/\/ Handle conflict appropriately\r\n            \/\/ First, fetch the current saved version of doc\r\n            if let currDoc = db.document(withID: docToSave.id) {\r\n                \/\/ Option 1 : Merge the contents of doc1b and currDoc\r\n                docToSave = mergeDocument(newDoc: docToSave, currentDoc: currDoc)\r\n            }\r\n            else {\r\n                \/\/ Doc was deleted. Handle appropriately\r\n            }\r\n        }\r\n        \r\n    } while (!success)\r\n}\r\ncatch {\r\n    print(\"Some other error in saving \\(error)\")\r\n}<\/code><\/pre>\n<p>\uc774\uac83\uc740 \ucda9\ub3cc\ud558\ub294 \uc218\uc815\ubcf8\uc744 \ubcd1\ud569\ud558\ub294 \ubc29\ubc95\uc758 \uc608\uc785\ub2c8\ub2e4. \ub2e4\uc2dc \ub9d0\ud558\uc9c0\ub9cc, \uc5b4\ub5bb\uac8c \ubcd1\ud569\ud560\uc9c0\ub294 \uc804\uc801\uc73c\ub85c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub2ec\ub824 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc608\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ubc29\ubc95\uc744 \ucc38\uc870\ud558\uae30 \uc704\ud55c \uac83\uc785\ub2c8\ub2e4. <em>could<\/em> \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n<pre><code class=\"swift\">\r\n\/\/\/ Merges two conflicting versions of CBL document using following criteria\r\n\/\/\/ - Newly added properties are added \r\n\/\/\/ - If we are updating an existing property, that is ignored a property that already exists\r\n\/\/\/\r\n\/\/\/ - Parameter \r\n\/\/\/   - newDoc: The new version of document to be saved\r\n\/\/\/   - currentDoc : The current saved version of the document\r\nfunc mergeDocument(newDoc: Document, currentDoc: Document) -&gt; MutableDocument {\r\n    \/\/ 1. Create a resolved mutable document based on the current saved document\r\n    let resolved = currentDoc.toMutable()\r\n    \r\n    \/\/ 2. Add the additional properties that don't already exist\r\n    for key in newDoc.keys {\r\n        if !resolved.contains(key) {\r\n            resolved.setValue(newDoc.value(forKey: key), forKey: key)\r\n        }\r\n    }\r\n    return resolved\r\n}<\/code><\/pre>\n<ul>\n<li><strong>\uc635\uc158 2:<\/strong>\u00a0<strong>\uac15\uc81c \uc800\uc7a5\uc73c\ub85c \uc2b9\ub9ac\ud558\uae30<\/strong><\/li>\n<\/ul>\n<p>\uc774 \uc635\uc158\uc740 \"\uc4f0\uae30\uac00 \ud56d\uc0c1 \uc2b9\ub9ac\"\ub77c\ub294 \uae30\ubcf8 \ub3d9\uc2dc\uc131 \uc815\ucc45\uacfc \uc0ac\uc2e4\uc0c1 \ub3d9\uc77c\ud569\ub2c8\ub2e4. \ub2e4\ub9cc \uc774 \uacbd\uc6b0 \ud604\uc7ac \uc800\uc7a5\ub41c \ubb38\uc11c\uc758 \ub0b4\uc6a9\uc744 \uac80\ud1a0\ud55c \ub2e4\uc74c \uac15\uc81c\ub85c \uc800\uc7a5\ud560\uc9c0 \uc5ec\ubd80\ub97c \uacb0\uc815\ud558\uae30 \uc704\ud574 <code>\uc800\uc7a5 \ubb38\uc11c<\/code>.<br \/>\n\ubb38\uc11c\ub97c \uc800\uc7a5\ud558\uae30 \uc804\uc5d0 \ubb38\uc11c\uac00 \ub2e4\uc2dc \uc5c5\ub370\uc774\ud2b8\ub420 \uc218 \uc788\ub2e4\ub294 \uc810\uc5d0\uc11c \uc5ec\uc804\ud788 \uacbd\ud569 \uc870\uac74\uc758 \uc704\ud5d8\uc774 \uc788\uc744 \uc218 \uc788\ub2e4\ub294 \uc810\uc5d0 \uc720\uc758\ud558\uc138\uc694.<\/p>\n<pre><code class=\"swift\">do {\r\n    if try db.saveDocument(docToSave, concurrencyControl: .failOnConflict) {\r\n        \/\/ save was a success. docToSave is the new saved revision. Proceed as usual\r\n    }\r\n    else {\r\n        \/\/ Failure on save with failOnConflict mode\r\n        \/\/ Handle conflict appropriately\r\n        if let currDoc = db.document(withID: docToSave.id) {\r\n            \/\/ Option 2: Examine contents of current saved version of doc\r\n            \/\/ Force write of document\r\n            try db.saveDocument(docToSave)\r\n        }\r\n        else {\r\n            \/\/ Doc was deleted.\r\n            \/\/ Option 2: Attempt to do a force write of document to override the delete\r\n            try db.saveDocument(docToSave)\r\n        }\r\n    }\r\n}\r\ncatch {\r\n    print(\"Some other error in saving \\(error)\")\r\n}<\/code><\/pre>\n<ul>\n<li><strong>\uc635\uc158 3:<\/strong>\u00a0<strong>\uc800\uc7a5 \uac74\ub108\ub6f0\uae30<\/strong><\/li>\n<\/ul>\n<p>\uc774 \uacbd\uc6b0 \ud604\uc7ac \uc800\uc7a5\ub41c \ubb38\uc11c\uc758 \ub0b4\uc6a9\uc744 \uac80\ud1a0\ud55c \ub2e4\uc74c \ud604\uc7ac \uc800\uc7a5\ub41c \ubc84\uc804\uc758 \ubb38\uc11c\ub97c \uc720\uc9c0\ud558\ub294 \uac83\uc774 \ub354 \ub0ab\ub2e4\uace0 \ud310\ub2e8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<pre><code class=\"swift\">do {\r\n    let docToSave = MutableDocument(id: \"docId\")\r\n    if !(try db.saveDocument(docToSave, concurrencyControl: .failOnConflict)) {\r\n        \/\/ Fetch the current saved version of doc\r\n        if let currDoc = db.document(withID: docToSave.id) {\r\n            \/\/ Option 3 : Examine contents of doc\r\n            \/\/ Current saved doc looks fine. Do nothing\r\n        }\r\n        else {\r\n            \/\/ Doc was deleted. Handle appropriately\r\n        }\r\n    }\r\n    else {\r\n        \/\/ save was a success. docToSave is the new saved revision. Proceed as usual\r\n    }\r\n}\r\ncatch {\r\n    print(\"Some other error in saving \\(error)\")\r\n}\r\n<\/code><\/pre>\n<h3 id=\"implicationsoncreatingdocumentswithsameid\">\ub3d9\uc77c\ud55c ID\ub85c \ubb38\uc11c \ub9cc\ub4e4\uae30\uc5d0 \ub300\ud55c \uc2dc\uc0ac\uc810<\/h3>\n<p>\uae30\ubcf8 \ucda9\ub3cc \ud574\uacb0 \uc815\ucc45\uc740 <code>\uc800\uc7a5 \ubb38\uc11c<\/code> \ub97c \uc0ac\uc6a9\ud558\uc5ec \ubb38\uc11c\ub97c \ub2e4\uc2dc \ub9cc\ub4e4\ub824\uace0 \ud558\uba74 \ub9c8\uc9c0\ub9c9 \uc4f0\uae30\uac00 \ud56d\uc0c1 \uc2b9\ub9ac\ud55c\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. <code>docId<\/code> \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc774\ubbf8 \uc874\uc7ac\ud558\ub294 \ubb38\uc11c\uc5d0 \uc0c8 \uc218\uc815\ubcf8\uc744 \ucd94\uac00\ud558\uc5ec \uae30\uc874 \ubb38\uc11c\ub97c \uc5c5\ub370\uc774\ud2b8\ud569\ub2c8\ub2e4.<\/p>\n<p>\ub530\ub77c\uc11c \uc2e4\uc218\ub85c \uae30\uc874 \ubb38\uc11c\ub97c \uc5c5\ub370\uc774\ud2b8\ud558\uc9c0 \uc54a\ub3c4\ub85d \ud558\ub824\uba74 \"<em>ConcurrenyControl<\/em> \uc778\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec <code>failOnConflict<\/code>. \uadf8\ub7ec\uba74 \uc801\uc808\ud558\uac8c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \uc624\ub958\uac00 \ubc18\ud658\ub429\ub2c8\ub2e4.<\/p>\n<p>\uc774 \uacbd\uc6b0 \ubb38\uc11c\uc758 \ud604\uc7ac \ub0b4\uc6a9\uc744 \uac80\uc0ac\ud560 \ud544\uc694\uac00 \uc5c6\ub2e4\ub294 \uc810\uc744 \uc81c\uc678\ud558\uba74 \uc55e\uc11c \uc9c0\uc815\ud55c \uc635\uc158 3\uacfc \ub9e4\uc6b0 \uc720\uc0ac\ud569\ub2c8\ub2e4. \ucda9\ub3cc \uc2e4\ud328\ub294 Id\uac00 \uc788\ub294 \ubb38\uc11c\uac00 \uc774\ubbf8 \uc874\uc7ac\ud55c\ub2e4\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4.<\/p>\n<p>\ub2e4\uc74c\uc740 Swift\uc758 \uc608\uc2dc\uc785\ub2c8\ub2e4.<\/p>\n<pre><code class=\"swift\">do {\r\n    let docToSave = MutableDocument(id: \"docId\")\r\n    if !(try db.saveDocument(docToSave, concurrencyControl: .failOnConflict)) {\r\n        \/\/ Document with Id already exists. Handle appropriately\r\n    }\r\n    else {\r\n        \/\/ save was a success. docToSave is the new saved revision. Proceed as usual\r\n    }\r\n}\r\ncatch {\r\n    print(\"Some other error in saving \\(error)\")\r\n}<\/code><\/pre>\n<h3 id=\"conflictfreemodeinsyncgateway2.0\">\ub3d9\uae30\ud654 \uac8c\uc774\ud2b8\uc6e8\uc774 2.0\uc758 \ucda9\ub3cc \ubc29\uc9c0 \ubaa8\ub4dc<\/h3>\n<p>\uc774 \ubaa8\ub4dc\uc5d0\uc11c\ub294 \ub3d9\uae30\ud654 \uac8c\uc774\ud2b8\uc6e8\uc774\uac00 HTTP 409 \uc624\ub958\uc640 \ucda9\ub3cc\uc744 \uc77c\uc73c\ud0a4\ub294 \uc218\uc815\ubcf8\uc744 \uac70\ubd80\ud558\uc5ec \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \ucda9\ub3cc\ud558\ub294 \uc218\uc815\ubcf8\uc774 \uc5c6\ub3c4\ub85d \ud6a8\uacfc\uc801\uc73c\ub85c \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \ucda9\ub3cc\uc740 \ub04c\uc5b4\uc624\uae30 \ubcf5\uc81c \uc911\uc5d0 \ud074\ub77c\uc774\uc5b8\ud2b8 \uce21\uc5d0\uc11c \ucc98\ub9ac\ub429\ub2c8\ub2e4.<\/p>\n<h4 id=\"pushreplication\">\ud478\uc2dc \ubcf5\uc81c<\/h4>\n<figure><img decoding=\"async\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2018\/01\/conflict-free-push.png\" alt=\"\" \/><\/figure>\n<ol>\n<li>\ud074\ub77c\uc774\uc5b8\ud2b8\uac00 \uc218\uc815\ubcf8 \ubcc0\uacbd \ub0b4\uc6a9\uc744 \ub3d9\uae30\ud654 \uac8c\uc774\ud2b8\uc6e8\uc774\uc5d0 \ud478\uc2dc\ud569\ub2c8\ub2e4.<\/li>\n<li>\ub3d9\uae30\ud654 \uac8c\uc774\ud2b8\uc6e8\uc774\uc5d0\uc11c \ub4e4\uc5b4\uc624\ub294 \uc218\uc815\ubcf8\uc774 \uc11c\ubc84\uc5d0 \uc800\uc7a5\ub41c \ud604\uc7ac \uc218\uc815\ubcf8\uacfc \ucda9\ub3cc\ud558\ub294 \uac83\uc744 \uac10\uc9c0\ud569\ub2c8\ub2e4(\uc989, \ub4e4\uc5b4\uc624\ub294 \uc218\uc815\ubcf8\uc758 \uc0c1\uc704 \uc218\uc815\ubcf8\uc774 \uc11c\ubc84\uc758 \ud65c\uc131 \uc218\uc815\ubcf8\uc774 \uc544\ub2cc \uacbd\uc6b0).<\/li>\n<li>\ub3d9\uae30\ud654 \uac8c\uc774\ud2b8\uc6e8\uc774\uac00 \uc218\uc815\ubcf8 \ubcc0\uacbd\uc744 \uac70\ubd80\ud558\uba74 <em>409 \uc624\ub958<\/em>. Couchbase Lite\ub294 \uc624\ub958\ub97c \uae30\ub85d\ud558\ub294 \uac83 \uc678\uc5d0\ub294 \uc2e4\uc81c\ub85c \uc544\ubb34\uac83\ub3c4 \ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ucda9\ub3cc\uc740 \uc774\ud6c4 \ud480 \ubcf5\uc81c \uc911\uc5d0 \ud574\uacb0\ub429\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h4 id=\"pullreplication\">\ud480 \ubcf5\uc81c<\/h4>\n<p>\ud480 \ubcf5\uc81c \uc911\uc5d0 \ud074\ub77c\uc774\uc5b8\ud2b8\uac00 \ucda9\ub3cc\uc744 \uac10\uc9c0\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc740 \uacb0\uc815\ub860\uc801 \uae30\uc900\uc744 \uc0ac\uc6a9\ud558\uc5ec \ucda9\ub3cc\uc774 \ud574\uacb0\ub429\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\uc0ad\uc81c\uac00 \ud56d\uc0c1 \uc2b9\ub9ac\ud569\ub2c8\ub2e4. \uc774 \uacbd\uc6b0\uc758 \uc608\ub294 \uc544\ub798\uc640 \uac19\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2018\/03\/deletes_always_win.png\" alt=\"\" \/><\/p>\n<ul>\n<li>\uac00\uc7a5 \ucd5c\uadfc \ubcc0\uacbd \uc0ac\ud56d(\uac00\uc7a5 \ub192\uc740 <code>\uc138\ub300 ID<\/code>)\uac00 \uc2b9\ub9ac\ud558\uac70\ub098 \ucd5c\ub300 <code>revID<\/code> \ub294 \uc138\ub300\uac00 \ub3d9\uc77c\ud55c \uacbd\uc6b0, \uc989 \ub2e8\uc21c ASCII \ube44\uad50\uc5d0\uc11c \ub354 \ub192\uc740 \uc815\ub82c \uc21c\uc704\ub97c \uac16\ub294 revID\uac00 \uc2b9\ub9ac\ud569\ub2c8\ub2e4. \uc774\uc5d0 \ub300\ud55c \uc608\ub294 \uc544\ub798\uc640 \uac19\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<figure><img decoding=\"async\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2018\/03\/most_recent_writes_win.png\" alt=\"\" \/><\/figure>\n<p>&nbsp;<\/p>\n<p>\ub2e4\uc74c\uc73c\ub85c \ud480 \ubcf5\uc81c \uc911 \uc0ac\ub840\ub97c \uc0b4\ud3b4\ubd05\ub2c8\ub2e4.<\/p>\n<p><strong>\uc11c\ubc84 \ube0c\ub79c\uce58\uac00 \uc2b9\uc790<\/strong><\/p>\n<figure><img decoding=\"async\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2018\/03\/conflict-free-pull-server-winner.png\" alt=\"\" \/><\/figure>\n<ol>\n<li>\ud074\ub77c\uc774\uc5b8\ud2b8\uac00 \ub3d9\uae30\ud654 \uac8c\uc774\ud2b8\uc6e8\uc774\uc5d0\uc11c \ub9ac\ube44\uc804 \ubcc0\uacbd \uc0ac\ud56d\uc744 \uac00\uc838\uc635\ub2c8\ub2e4.<\/li>\n<li>\ud074\ub77c\uc774\uc5b8\ud2b8\uac00 \ub4e4\uc5b4\uc624\ub294 \uc218\uc815\ubcf8\uc774 \ud604\uc7ac \uc800\uc7a5\ub41c \uc218\uc815\ubcf8\uacfc \ucda9\ub3cc\ud558\ub294 \uac83\uc744 \uac10\uc9c0\ud569\ub2c8\ub2e4(\uc989, \ub4e4\uc5b4\uc624\ub294 \uc218\uc815\ubcf8\uacfc \uc800\uc7a5\ub41c \uc218\uc815\ubcf8\uc774 \uacf5\ud1b5 \ubd80\ubaa8\ub97c \uacf5\uc720\ud568).<\/li>\n<li>\ud074\ub77c\uc774\uc5b8\ud2b8\ub294 \ud604\uc7ac \uc800\uc7a5\ub41c \uc218\uc815\ubcf8\uacfc \uc11c\ubc84 \uc218\uc815\ubcf8 \uac04\uc758 \uc2b9\uc790\ub97c \uacb0\uc815\ud558\ub294 \ucda9\ub3cc \ud574\uacb0\uae30 \ud568\uc218\ub97c \ud638\ucd9c\ud569\ub2c8\ub2e4.\n<ol>\n<li>\ub2e4\uc74c \uac1c\uc815 \uc774\ud6c4(<code>Rev2-B<\/code>)\uac00 \ub85c\uceec \uc218\uc815\ubcf8(<code>Rev2-A<\/code>)\uc744 \ub204\ub974\uba74 \uc11c\ubc84 \ub9ac\ube44\uc804\uc774 \uc2b9\uc790\ub85c \uc120\ud0dd\ub429\ub2c8\ub2e4. \uc11c\ubc84\uc758 \ub9ac\ube44\uc804\uc774 \uc0ad\uc81c\ub41c \uacbd\uc6b0\uc5d0\ub3c4 \ub9c8\ucc2c\uac00\uc9c0\uc785\ub2c8\ub2e4.<\/li>\n<\/ol>\n<\/li>\n<li>\uc11c\ubc84 \ube0c\ub79c\uce58\uac00 \ub85c\uceec \ub9ac\ube44\uc804 \ud2b8\ub9ac\uc5d0 \uc811\ubaa9\ub418\uace0 \ub85c\uceec \ube0c\ub79c\uce58\ub294 \ud23c\uc2a4\ud1a4 \ucc98\ub9ac\ub41c\ub2e4.<\/li>\n<li>\uadf8 \ud6c4 \ubcc0\uacbd \uc0ac\ud56d\uc774 \uc11c\ubc84\ub85c \ud478\uc2dc\ub418\uba74 \ucda9\ub3cc\uc774 \ubc1c\uc0dd\ud558\uc9c0 \uc54a\uace0 \uc11c\ubc84\uac00 \ud074\ub77c\uc774\uc5b8\ud2b8 \uce21\uacfc \ub3d9\uae30\ud654\ub429\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h5 id=\"localbranchisthewinner\"><strong>\uc9c0\uc5ed \uc9c0\uc0ac\uac00 \uc6b0\uc2b9\uc790<\/strong><\/h5>\n<figure><img decoding=\"async\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2018\/03\/conflict-free-pull-local-winner.png\" alt=\"\" \/><\/figure>\n<ol>\n<li>\ud074\ub77c\uc774\uc5b8\ud2b8\uac00 \ub3d9\uae30\ud654 \uac8c\uc774\ud2b8\uc6e8\uc774\uc5d0\uc11c \ub9ac\ube44\uc804 \ubcc0\uacbd \uc0ac\ud56d\uc744 \uac00\uc838\uc635\ub2c8\ub2e4.<\/li>\n<li>\ud074\ub77c\uc774\uc5b8\ud2b8\uac00 \ub4e4\uc5b4\uc624\ub294 \uc218\uc815\ubcf8\uc774 \ud604\uc7ac \uc800\uc7a5\ub41c \uc218\uc815\ubcf8\uacfc \ucda9\ub3cc\ud558\ub294 \uac83\uc744 \uac10\uc9c0\ud569\ub2c8\ub2e4(\uc989, \ub4e4\uc5b4\uc624\ub294 \uc218\uc815\ubcf8\uacfc \uc800\uc7a5\ub41c \uc218\uc815\ubcf8\uc774 \uacf5\ud1b5 \ubd80\ubaa8\ub97c \uacf5\uc720\ud568).<\/li>\n<li>\ud074\ub77c\uc774\uc5b8\ud2b8\ub294 \ud604\uc7ac \uc800\uc7a5\ub41c \uc218\uc815\ubcf8\uacfc \uc11c\ubc84 \uc218\uc815\ubcf8 \uac04\uc758 \uc2b9\uc790\ub97c \uacb0\uc815\ud558\ub294 \ucda9\ub3cc \ud574\uacb0\uae30 \ud568\uc218\ub97c \ud638\ucd9c\ud569\ub2c8\ub2e4.\n<ol>\n<li>\ub85c\uceec \uac1c\uc815 \uc774\ud6c4(<code>Rev2-B<\/code>)\uac00 \ub4e4\uc5b4\uc624\ub294 \uc11c\ubc84 \uac1c\uc815\ud310(<code>Rev2-A<\/code>), \ub85c\uceec \ub9ac\ube44\uc804\uc774 \uc6b0\uc2b9\uc790\ub85c \uc120\uc815\ub429\ub2c8\ub2e4. \ub85c\uceec \ube0c\ub79c\uce58\uc758 \ub9ac\ube44\uc804\uc774 \uc0ad\uc81c\ub41c \uacbd\uc6b0\uc5d0\ub3c4 \ub9c8\ucc2c\uac00\uc9c0\uc785\ub2c8\ub2e4.<\/li>\n<\/ol>\n<\/li>\n<li>\uc11c\ubc84 \ube0c\ub79c\uce58\uac00 \ub85c\uceec \ub9ac\ube44\uc804 \ud2b8\ub9ac\uc5d0 \uc811\ubaa9\ub418\uace0 \uc0c8 \ub9ac\ube44\uc804\uc774 \ub9cc\ub4e4\uc5b4\uc9d1\ub2c8\ub2e4. <code>Rev3<\/code> \uac00 \ucd94\uac00\ub418\uba70, \uc774\ub294 \uc218\uc0c1\uc791\uc758 \ub0b4\uc6a9\uc5d0 \ud574\ub2f9\ud569\ub2c8\ub2e4, <code>Rev2-B<\/code><\/li>\n<li>\uadf8 \ud6c4 \ubcc0\uacbd \uc0ac\ud56d\uc774 \uc11c\ubc84\ub85c \ud478\uc2dc\ub418\uba74 \ucda9\ub3cc\uc774 \ubc1c\uc0dd\ud558\uc9c0 \uc54a\uace0 \uc11c\ubc84\uac00 \ud074\ub77c\uc774\uc5b8\ud2b8 \uce21\uacfc \ub3d9\uae30\ud654\ub429\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p><strong>\ucc38\uace0<\/strong>: \ubcf4\uc2dc\ub2e4\uc2dc\ud53c, \ucda9\ub3cc\uc740 \ud480 \ubcf5\uc81c \uc911\uc5d0 Couchbase Lite\uc5d0\uc11c \ud574\uacb0\ub429\ub2c8\ub2e4. \uc774\ub294 \ubcf5\uc81c\uae30\uac00 \ud478\uc2dc \ubcf5\uc81c\uae30\ub85c\ub9cc \uad6c\uc131\ub418\uc5b4 \uc788\ub294 \uacbd\uc6b0 Couchbase Lite\uc758 \ub370\uc774\ud130 \ubcf4\uae30\uac00 \ub3d9\uae30\ud654 \uac8c\uc774\ud2b8\uc6e8\uc774\uc758 \ub370\uc774\ud130 \ubcf4\uae30\uc640 \ub2ec\ub77c\uc9c4\ub2e4\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4(CBL\uc758 \uc77c\ubd80 \uc4f0\uae30 \uc2dc\ub3c4\uac00 409\ub85c \uc2e4\ud328\ud560 \uc218 \uc788\uae30 \ub54c\ubb38). \ub530\ub77c\uc11c \ucda9\ub3cc\uc774 \ubc1c\uc0dd\ud560 \uac83\uc73c\ub85c \uc608\uc0c1\ub418\ub294 \uacbd\uc6b0, \ucda9\ub3cc \uc5c6\ub294 \ubaa8\ub4dc\uc5d0\uc11c \uc0ac\uc6a9\ud560 \ub54c Couchbase Lite \ubcf5\uc81c\uae30\ub97c \ud478\uc2dc-\ud480 \ubaa8\ub4dc\ub85c \uad6c\uc131\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n<p>&nbsp;<\/p>\n<h3>\ub3d9\uae30\ud654 \uac8c\uc774\ud2b8\uc6e8\uc774\uc5d0\uc11c \ucda9\ub3cc \uc5c6\ub294 \ubaa8\ub4dc \uad6c\uc131\ud558\uae30<\/h3>\n<p>\ub3d9\uae30\ud654 \uac8c\uc774\ud2b8\uc6e8\uc774\uc758 \"\ucda9\ub3cc \uc5c6\uc74c\" \ubaa8\ub4dc\ub294 \ub2e4\uc74c\uc744 \ud1b5\ud574 \uad6c\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/developer.couchbase.com\/documentation\/mobile\/2.0\/guides\/sync-gateway\/config-properties\/index.html#2.0\/databases-foo_db-allow_conflicts\">\ud5c8\uc6a9_\uac08\ub4f1<\/a>\u00a0\uc18d\uc131\uc744 \ub3d9\uae30\ud654 \uac8c\uc774\ud2b8\uc6e8\uc774 \uad6c\uc131 \ud30c\uc77c\uc5d0 \ucd94\uac00\ud569\ub2c8\ub2e4. \"<em>false<\/em>\"\ub85c \ubcc0\uacbd\ud558\uc5ec \ucda9\ub3cc \uc5c6\ub294 \ubaa8\ub4dc\ub97c \ud65c\uc131\ud654\ud569\ub2c8\ub2e4. \ub610\ud55c \uc774 \uc18d\uc131 \uad6c\uc131\uc5d0 \uad00\uacc4\uc5c6\uc774 Couchbase Lite 2.0 \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \ub3d9\uae30\ud654\ud560 \ub54c \ub3d9\uae30\ud654 \uac8c\uc774\ud2b8\uc6e8\uc774\uc5d0 \ucda9\ub3cc\ud558\ub294 \uc218\uc815 \ubc84\uc804\uc774 \ucd94\uac00\ub418\uc9c0 \uc54a\ub294\ub2e4\ub294 \uc810\uc5d0 \uc720\uc758\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\uc5d0 \ub300\ud574\uc11c\ub294 \uc55e\uc11c \ubcf5\uc81c \uc139\uc158\uc5d0\uc11c \uc124\uba85\ud588\uc2b5\ub2c8\ub2e4. \"allow_conflicts\" \uad6c\uc131\uc740 2.0 \uc774\uc678\uc758 \ud074\ub77c\uc774\uc5b8\ud2b8 \ubc0f REST API \ud074\ub77c\uc774\uc5b8\ud2b8\uc5d0 \ub300\ud574\uc11c\ub9cc \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uc544\ub798 \ud45c\uc5d0\ub294 \uadf8 \uc758\ubbf8\uac00 \uc694\uc57d\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4867\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2018\/03\/allow_conflict.png\" alt=\"allow_conflicts_configuration\" width=\"501\" height=\"222\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/03\/allow_conflict.png 501w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/03\/allow_conflict-300x133.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/03\/allow_conflict-20x9.png 20w\" sizes=\"auto, (max-width: 501px) 100vw, 501px\" \/><\/p>\n<h2 id=\"impactofconflictfreemodeondatabasesizes\">\ucda9\ub3cc \ubc29\uc9c0 \ubaa8\ub4dc\uac00 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud06c\uae30\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5<\/h2>\n<p>\ucda9\ub3cc \ud574\uacb0\uc774 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud06c\uae30\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc740 \uc774\uc804 \uac8c\uc2dc\ubb3c\uc5d0\uc11c \uc790\uc138\ud788 \uc124\uba85\ud588\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/www.couchbase.com\/blog\/ko\/database-sizes-and-conflict-resolution\/\">\ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud06c\uae30 \uad00\ub9ac<\/a>. \ucda9\ub3cc\uc744 \ud5c8\uc6a9\ud558\ub294 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \ucda9\ub3cc\ud558\ub294 \ub9ac\ube44\uc804\uc774 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \ub9ac\ube44\uc804 \ud2b8\ub9ac\uc758 \ud06c\uae30\uac00 \ucee4\uc838 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud06c\uae30\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \ucda9\ub3cc\uc744 \uc801\uc2dc\uc5d0 \ud574\uacb0\ud558\ub294 \uac83\uc774 \uc911\uc694\ud588\uc2b5\ub2c8\ub2e4. \ub3d9\uae30\ud654 \uac8c\uc774\ud2b8\uc6e8\uc774\uc5d0\ub294 <a href=\"https:\/\/developer.couchbase.com\/documentation\/mobile\/current\/guides\/sync-gateway\/config-properties\/index.html#1.5\/databases-foo_db-revs_limit\"><code>revs_limit<\/code><\/a> \ub9ac\ube44\uc804 \ud2b8\ub9ac\uc758 \ud06c\uae30\ub97c \uacb0\uc815\ud558\ub294 \uc18d\uc131\uc785\ub2c8\ub2e4. \ub9ac\ube44\uc804 \ud2b8\ub9ac\uc758 <code>revs_limit<\/code> \uc18d\uc131\uc758 \uae30\ubcf8\uac12\uc740 1000\uc73c\ub85c, \uc774\ub294 \ub9c8\uc9c0\ub9c9 1000\uac1c\uc758 \uc218\uc815\ubcf8\uc5d0 \ud574\ub2f9\ud558\ub294 \uba54\ud0c0\ub370\uc774\ud130\uac00 \uc815\ub9ac\ub418\uae30 \uc804\uc5d0 \ub3d9\uae30\ud654 \uac8c\uc774\ud2b8\uc6e8\uc774\uc5d0 \uc800\uc7a5\ub41c\ub2e4\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4. \uc124\uc815\ud558\ub294 \ub3d9\uc548 <code>revs_limit<\/code> \ub97c \ud070 \uac12\uc73c\ub85c \uc124\uc815\ud558\uba74 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud06c\uae30\uc5d0 \ubd80\uc815\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce58\ubbc0\ub85c \ub9e4\uc6b0 \ub0ae\uc740 \uac12\uc73c\ub85c \uc124\uc815\ud558\uc9c0 \uc54a\ub294 \uac83\uc774 \uc911\uc694\ud588\uc2b5\ub2c8\ub2e4. \ucda9\ub3cc \ud574\uacb0\uc744 \ucc98\ub9ac\ud558\ub294 \ub370 \ud544\uc694\ud55c \uc774\uc804 \ub9ac\ube44\uc804\uc5d0 \ud574\ub2f9\ud558\ub294 \uba54\ud0c0\ub370\uc774\ud130\ub97c \uc720\uc9c0\ud558\ub294 \uac83\uc774 \uc911\uc694\ud588\ub294\ub370, \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74 \ubb38\uc11c\uc758 \ub9ac\ube44\uc804\uc5d0 \ub300\ud55c \uc5f0\uacb0\uc774 \ub04a\uc5b4\uc9c4 \ub9ac\ube44\uc804 \ud2b8\ub9ac\uc758 \uc232\uc774 \uc0dd\uae38 \uc704\ud5d8\uc774 \uc788\uae30 \ub54c\ubb38\uc774\uc8e0. \ub530\ub77c\uc11c \ud5c8\uc6a9\ub418\ub294 \ucd5c\uc18c\uac12\uc778 <code>revs_limit<\/code> \ub294 20\uc785\ub2c8\ub2e4.<\/p>\n<p>\uadf8\ub7ec\ub098 \ucda9\ub3cc \uc5c6\ub294 \ubaa8\ub4dc\ub97c \uc0ac\uc6a9\ud558\uba74 \uc774\uc804 \ubc84\uc804\uc5d0 \ud574\ub2f9\ud558\ub294 \uba54\ud0c0\ub370\uc774\ud130\ub97c \uc800\uc7a5\ud560 \ud544\uc694\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. \uc989, \uc774\uc804 \ubc84\uc804\uc5d0 \ud574\ub2f9\ud558\ub294 <code>revs_limit<\/code> \ub294 1\uc5d0 \ubd88\uacfc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ucd5c\uc2e0\/\ud65c\uc131 \uc218\uc815\ubcf8\ub9cc \uc800\uc7a5\ub41c\ub2e4\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud06c\uae30\ub97c \ud06c\uac8c \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2 id=\"acnowledgements\">\uac10\uc0ac<\/h2>\n<p>\ud2b9\ubcc4 \uac10\uc0ac \ub300\uc0c1 <a href=\"https:\/\/github.com\/pasin\">\ud30c\uc2e0 \uc218\ub9ac\uc5d4\ud2b8\ub77c\ucf58<\/a> \ubaa8\ubc14\uc77c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ud300\uc5d0\uc11c Couchbase Lite \uc139\uc158\uc5d0 \ub300\ud55c \ud53c\ub4dc\ubc31\uc744 \ubcf4\ub0b4\uc8fc\uc168\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/github.com\/adamcfraser\">\uc544\ub2f4 \ud504\ub808\uc774\uc800<\/a>\ub3d9\uae30\ud654 \uac8c\uc774\ud2b8\uc6e8\uc774 \uc139\uc158\uc5d0 \ub300\ud55c \ud53c\ub4dc\ubc31\uc744 \uc81c\uacf5\ud55c \ubaa8\ubc14\uc77c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ud300\uc758 Daniel Petersen\uacfc \ub3d9\uae30\ud654 \uac8c\uc774\ud2b8\uc6e8\uc774 \uc139\uc158\uc5d0 \ub300\ud55c \ud53c\ub4dc\ubc31\uc744 \uc81c\uacf5\ud55c \ubaa8\ubc14\uc77c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ud300\uc758 Daniel Petersen\uc5d0\uac8c \uac10\uc0ac\ub4dc\ub9bd\ub2c8\ub2e4.<\/p>\n<h2 id=\"whatnext\">\ub2e4\uc74c \ub2e8\uacc4<\/h2>\n<p>\uc774 \ube14\ub85c\uadf8 \uac8c\uc2dc\ubb3c\uc5d0\uc11c\ub294 Couchbase Mobile 2.0\uc5d0\uc11c \ucda9\ub3cc\uc774 \uc790\ub3d9\uc73c\ub85c \ucc98\ub9ac\ub418\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc124\uba85\ud569\ub2c8\ub2e4. Couchbase Mobile 2.0\uc740 \ub2e4\uc74c\uc5d0\uc11c \ub2e4\uc6b4\ub85c\ub4dc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/developer.couchbase.com\/documentation\/mobile\/2.0\/whatsnew.html\">\ub2e4\uc6b4\ub85c\ub4dc<\/a> \ud398\uc774\uc9c0\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc9c8\ubb38\uc774\ub098 \ud53c\ub4dc\ubc31\uc774 \uc788\uc73c\uba74 \uc544\ub798\uc5d0 \ub313\uae00\uc744 \ub0a8\uae30\uac70\ub098 \ub2e4\uc74c \uc8fc\uc18c\ub85c \ud2b8\uc704\ud130\uc5d0 \ubb38\uc758\ud574 \uc8fc\uc138\uc694.\u00a0<a href=\"https:\/\/twitter.com\/rajagp\">@rajagp<\/a>\u00a0\ub610\ub294 \ub2e4\uc74c \uc8fc\uc18c\ub85c \uc774\uba54\uc77c\uc744 \ubcf4\ub0b4\uc8fc\uc138\uc694.\u00a0<a href=\"mailto:priya.rajagopal@couchbase.com\">priya.rajagopal@couchbase.com<\/a>.  .\u00a0<a href=\"https:\/\/www.couchbase.com\/blog\/ko\/forums\/\">\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ud3ec\ub7fc<\/a> \ub294 \uc9c8\ubb38\uc774 \uc788\uc744 \ub54c \uc5f0\ub77d\ud560 \uc218 \uc788\ub294 \ub610 \ub2e4\ub978 \uc88b\uc740 \uc7a5\uc18c\uc785\ub2c8\ub2e4.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Document conflicts can occur in distributed environments that support data synchronization, wherein a document can be updated concurrently by one or more writers. This is especially common in mobile environments where unreliable network connections may result in concurrent changes from [&hellip;]<\/p>","protected":false},"author":1423,"featured_media":10700,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1815,1821,7667,1810,2366,2201],"tags":[2178,1980,2004,1981],"ppma_author":[8948],"class_list":["post-4832","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-best-practices-and-tutorials","category-couchbase-architecture","category-couchbase-lite","category-couchbase-mobile","category-sync-gateway","category-tools-sdks","tag-concurrency-control","tag-conflict-resolution","tag-couchbase-mobile-2-0","tag-mvcc"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v25.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Document Conflicts &amp; 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