{"id":1525,"date":"2014-12-16T19:21:14","date_gmt":"2014-12-16T19:21:13","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/?p=1525"},"modified":"2024-02-07T11:26:19","modified_gmt":"2024-02-07T19:26:19","slug":"cap-theorem-and-couchbase-server-time-xdcr","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/ko\/cap-theorem-and-couchbase-server-time-xdcr\/","title":{"rendered":"CAP \uc815\ub9ac\uc640 \uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uc11c\ubc84... \ud558\uc9c0\ub9cc \uc774\ubc88\uc5d4 XDCR\ub85c"},"content":{"rendered":"

CAP\ub294 \ub9ce\uc740 \ubd84\ub4e4\uc5d0\uac8c \uc798 \uc54c\ub824\uc838 \uc788\uc73c\ubbc0\ub85c \uc5ec\uae30\uc11c \uc18c\uac1c \uc790\ub8cc\ub97c \uc124\uba85\ud558\ub294 \ub370 \uc2dc\uac04\uc744 \ud560\uc560\ud558\uc9c0\ub294 \uc54a\uaca0\uc9c0\ub9cc, \ucd5c\uadfc \ub300\ud654\uc5d0\uc11c \uba87 \ubc88 \uc5b8\uae09\ub41c \uc624\ud574\uc5d0 \ub300\ud574 \uc815\ud655\ud788 \uc9da\uace0 \ub118\uc5b4\uac00\uace0\uc790 \ud569\ub2c8\ub2e4. \uc774 \uae00\uc758 \ud575\uc2ec\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4: \ub2e8\uc77c \ud074\ub7ec\uc2a4\ud130\ub85c\uc11c Couchbase Server\uc758 'CAP' \ub3d9\uc791\uacfc XDCR\uc774 \ud3ec\ud568\ub41c Couchbase Server\uc758 'CAP' \ub3d9\uc791\uc740 \ub2e4\ub985\ub2c8\ub2e4. <\/span><\/span><\/span><\/p>\n

Couchbase Server \ub2e8\uc77c \ud074\ub7ec\uc2a4\ud130 \ubc30\ud3ec\ubd80\ud130 \uc2dc\uc791\ud558\uaca0\uc2b5\ub2c8\ub2e4: CAP\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc2dc\uc2a4\ud15c\uc758 \ubaa8\ub4e0 \uc0c9\uc0c1\uc744 \uc124\uba85\ud558\uae30\uc5d0\ub294 \ub108\ubb34 \ub192\uc740 \uc218\uc900\uc774\uc9c0\ub9cc, Couchbase Server\ub294 \uc8fc\ub85c \uc790\ub3d9 \uc7a5\uc560 \uc870\uce58\uc640 \uac19\uc740 \uc635\uc158\uc73c\ub85c C\ub97c A\ub85c \ub300\uccb4\ud558\ub294 CP \uc2dc\uc2a4\ud15c\uc73c\ub85c \ubd88\ub9bd\ub2c8\ub2e4. <\/span><\/span><\/span><\/p>\n

\uadf8\ub7ec\ub098 XDCR\uc744 \uc0ac\uc6a9\ud558\ub294 \uba40\ud2f0\ud074\ub7ec\uc2a4\ud130 \ubc30\ud3ec\uc758 \uacbd\uc6b0 Couchbase Server\uac00 AP\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \ud074\ub7ec\uc2a4\ud130 \uc911 \ud558\ub098\uc5d0 \uc4f0\uba74 \ucda9\ub3cc\uc744 \uac10\uc9c0\ud558\uace0 \ud574\uacb0\ud558\uc5ec \uc5ec\ub7ec \ud074\ub7ec\uc2a4\ud130 \uac04\uc5d0 \ucd5c\uc885\uc801\uc778 \uc77c\uad00\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4(\uc774\ub7ec\ud55c \ucda9\ub3cc\uc744 \uac10\uc9c0\ud558\uace0 \ud574\uacb0\ud558\ub294 \ubc29\ubc95\uc744 \uc774\ud574\ud574\uc57c \uae30\ub300\ud558\ub294 \ud6a8\uacfc\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4). <\/span><\/span><\/span>\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uc11c\ubc84\ub294 \ubc30\ud3ec \ud1a0\ud3f4\ub85c\uc9c0\uc5d0 \ub530\ub77c \ub354 \ub9ce\uc740 CP \ub610\ub294 \ub354 \ub9ce\uc740 AP \uc2dc\uc2a4\ud15c\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/span><\/span><\/span><\/p>\n

\ud55c \uac00\uc9c0 \uacbd\uace0\ub97c \ub4dc\ub9ac\uc790\uba74, \uc774 \ub17c\uc758\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ubd84\uc57c\uc5d0\uc11c\ub3c4 \ub2e4\uc591\ud55c \uc758\uacac\uc73c\ub85c \ub098\uc624\uace0 \uc788\uc2b5\ub2c8\ub2e4: CAP\ub294 \ub192\uc740 \uc218\uc900\uc758 \uc815\uc758\uc785\ub2c8\ub2e4. \uc2dc\uc2a4\ud15c\uc758 \uc811\uadfc \ubc29\uc2dd\uc744 \uc774\ud574\ud558\uae30 \uc704\ud55c \uc88b\uc740 \uccab\uac78\uc74c\uc785\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc2dc\uc2a4\ud15c\uc758 \ubaa8\ub4e0 \uc0c9\uc744 \uc124\uba85\ud558\ub294 \ub370\ub294 \uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ucca8\ubd80\ub41c \ud45c\ub97c \ud1b5\ud574 Couchbase Server\uc758 CAP \ubc38\ub7f0\uc2a4\uac00 \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud558\ub294\uc9c0\uc5d0 \ub300\ud574 \uc880 \ub354 \uc790\uc138\ud788 \uc54c\uc544\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5f4\uc5d0 \ub300\ud55c \ube60\ub978 \ub458\ub7ec\ubcf4\uae30: \uc774 \ud45c\ub294 XDCR\uc744 \uc0ac\uc6a9\ud558\ub294 \ub2e4\uc591\ud55c \ubc30\ud3ec \ud1a0\ud3f4\ub85c\uc9c0\ub97c \uc0b4\ud3b4\ubd05\ub2c8\ub2e4. \uc7a5\uc560 \ub3c4\uba54\uc778\uc740 \ud574\ub2f9 \ud1a0\ud3f4\ub85c\uc9c0\uc758 \uc7a5\uc560 \ub3c4\uba54\uc778\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. CAP \ubc38\ub7f0\uc2a4\ub294 \uc2dc\uc2a4\ud15c\uc758 AP-\ub2c8\uc640 CP-\ub2c8\ub97c \uc124\uba85\ud569\ub2c8\ub2e4. \ub2e4\uc74c \ud45c\ub294 \uc8fc\uc758\ud574\uc11c \uc0ac\uc6a9\ud558\uc138\uc694. <\/span><\/span><\/span><\/p>\n

\ub9c8\uc9c0\ub9c9\uc73c\ub85c, \uac00\uc6a9\uc131 \uae30\ub2a5\uc73c\ub85c\uc11c XDCR\uc744 \uc0b4\ud3b4\ubcf4\uc9c0 \uc54a\uc558\ub2e4\uba74 \ub2e4\uc74c \ud45c\ub97c \ucc38\uace0\ud574 \ubcf4\uc138\uc694. XDCR\uacfc \uadf8 \ub3d9\uc791\uc5d0 \ub300\ud574 \ub354 \uc790\uc138\ud788 \uc54c\uace0 \uc2f6\uc73c\uc2dc\ub2e4\uba74 \ub2e4\uc74c \ubc31\uc11c\ub97c \ub2e4\uc6b4\ub85c\ub4dc\ud558\ub294 \uac83\ub3c4 \uc88b\uc2b5\ub2c8\ub2e4: XDCR\ub85c \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\ud558\uae30 <\/a><\/span><\/span><\/span><\/p>\n

\uc77d\uc5b4 \uc8fc\uc154\uc11c \uac10\uc0ac\ub4dc\ub9ac\uba70 \uc5b8\uc81c\ub098 \uadf8\ub807\ub4ef\uc774 \uc758\uacac\uc744 \ud658\uc601\ud569\ub2c8\ub2e4. <\/span><\/span><\/span><\/p>\n

Cihan Biyikoglu - \uc81c\ud488 \uad00\ub9ac @ Couchbase<\/span><\/span><\/span><\/p>\n

\n
\n\n\n\n\n\n\n
\n

\ubc30\ud3ec \ud1a0\ud3f4\ub85c\uc9c0<\/strong><\/h3>\n<\/td>\n

\n

\uacb0\ud568 \ub3c4\uba54\uc778<\/strong><\/h3>\n<\/td>\n

\n

CAP \uc794\uc561<\/strong><\/h3>\n<\/td>\n

\n

\ub313\uae00<\/strong><\/h3>\n<\/td>\n<\/tr>\n

\n

\ub2e8\uc77c \uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uc11c\ubc84 \ud074\ub7ec\uc2a4\ud130<\/span><\/p>\n<\/td>\n

\n

\ub178\ub4dc \uc218\uc900 \uc7a5\uc560 \ub3c4\uba54\uc778(\uc608: HW \uc7a5\uc560, \ub178\ub4dc \uac04 \ud1b5\uc2e0 \uc7a5\uc560)<\/span><\/p>\n<\/td>\n

\n

CP\ub97c \uad6c\uc131\ud560 \uc218 \uc788\uc73c\uba70 \uc790\ub3d9 \uc7a5\uc560 \uc870\uce58 \ub610\ub294 \ubcf5\uc81c\ubcf8 \uc77d\uae30 \ub4f1\uc744 \ud1b5\ud574 \uc0ac\uc6a9 \uac00\ub2a5\ud558\ub3c4\ub85d \uc870\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/span><\/p>\n<\/td>\n

\n

\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uc11c\ubc84\ub294 \ud65c\uc131 \ub610\ub294 \ubcf5\uc81c v\ubc84\ud0b7 \uc77d\uae30\ub97c \ud5c8\uc6a9\ud558\ubbc0\ub85c \uc9e7\uc740 \ud398\uc77c\uc624\ubc84 \uc2dc\uac04 \ucd08\uacfc \ud6c4 \uc4f0\uae30 \uac00\uc6a9\uc131\uc744 \uc81c\uacf5\ud558\ub3c4\ub85d \uc790\ub3d9 \ud398\uc77c\uc624\ubc84\ub85c \uc870\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/span><\/p>\n<\/td>\n<\/tr>\n

\n

HA\/DR\uc6a9 \ub2e8\ubc29\ud5a5 XDCR\uc774 \ud3ec\ud568\ub41c Couchbase \uc11c\ubc84 \ud074\ub7ec\uc2a4\ud130<\/span><\/p>\n<\/td>\n

\n

\ub178\ub4dc \ubc0f \ud074\ub7ec\uc2a4\ud130 \uc804\uccb4 \uc7a5\uc560(\uc608: \uc790\uc5f0 \uc7ac\ud574\ub85c \uc778\ud55c DC \uc7a5\uc560)<\/span><\/p>\n<\/td>\n

\n

\ud074\ub7ec\uc2a4\ud130 \uc804\uccb4 \ub610\ub294 \ub178\ub4dc \uc7a5\uc560\uc5d0 \ub300\ud55c \ubcf4\ud638 \uae30\ub2a5\uc744 \uac16\ucd98 \ub2e8\ubc29\ud5a5 XDCR\ub85c \ud074\ub7ec\uc2a4\ud130 \uc804\ubc18\uc758 AP\ub97c \ubcf4\ud638\ud569\ub2c8\ub2e4. <\/span><\/p>\n

\ub178\ub4dc \uc7a5\uc560\uc5d0 \ub300\ud574 \uac01 \ud074\ub7ec\uc2a4\ud130 \ub0b4\uc5d0\uc11c \ub3d9\uc77c\ud55c 'CAP \uc794\uc561'\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4. \u00a0<\/span><\/p>\n<\/td>\n

\n

\ub450 \ubc88\uc9f8 \uc0ac\uc774\ud2b8\/\ub370\uc774\ud130 \uc13c\ud130\uc5d0\uc11c \uc218\ub3d9 \ucef4\ud4e8\ud305 \uc6a9\ub7c9\uc744 \uac16\ucd98 \ub2e8\ubc29\ud5a5. \ub300\uc0c1 \ud074\ub7ec\uc2a4\ud130\ub294 \uc548\uc815 \uc0c1\ud0dc\uc5d0\uc11c \uad81\uadf9\uc801\uc73c\ub85c \uc77c\uad00\ub41c \uc77d\uae30\uc5d0 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc73c\uba70 \uc18c\uc2a4 \ud074\ub7ec\uc2a4\ud130\uc5d0 \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud558\uba74 \uc77d\uae30\/\uc4f0\uae30\ub85c \uc2b9\uaca9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/span><\/p>\n<\/td>\n<\/tr>\n

\n

HA\/DR\uc6a9 \uc591\ubc29\ud5a5 XDCR\uc774 \ud3ec\ud568\ub41c Couchbase \uc11c\ubc84 \ud074\ub7ec\uc2a4\ud130<\/span><\/p>\n<\/td>\n

\n

\ub178\ub4dc \ubc0f \ud074\ub7ec\uc2a4\ud130 \uc804\uccb4 \uc7a5\uc560(\uc608: \uc790\uc5f0 \uc7ac\ud574\ub85c \uc778\ud55c DC \uc7a5\uc560)<\/span><\/p>\n<\/td>\n

\n

\ud074\ub7ec\uc2a4\ud130 \uc804\uccb4 \ub610\ub294 \ub178\ub4dc \uc7a5\uc560\uc5d0 \ub300\ud55c \ubcf4\ud638 \uae30\ub2a5\uc744 \uac16\ucd98 \uc591\ubc29\ud5a5 XDCR\ub85c \ud074\ub7ec\uc2a4\ud130 \uc804\ubc18\uc758 AP\ub97c \ubcf4\ud638\ud569\ub2c8\ub2e4. <\/span><\/p>\n

\ub178\ub4dc \uc7a5\uc560\uc5d0 \ub300\ud574 \uac01 \ud074\ub7ec\uc2a4\ud130 \ub0b4\uc5d0\uc11c \ub3d9\uc77c\ud55c 'CAP \uc794\uc561'\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4. \u00a0<\/span><\/p>\n<\/td>\n

\n

\uc0ac\uc774\ud2b8\/\ub370\uc774\ud130\uc13c\ud130 \uc804\uccb4\uc5d0 \uac78\uccd0 \ud65c\uc131\/\ubd84\ud560 \uacc4\uc0b0 \uc6a9\ub7c9\uc744 \uac16\ucd98 \uc591\ubc29\ud5a5. \ub300\uc0c1 \ud074\ub7ec\uc2a4\ud130\ub294 \uc548\uc815 \uc0c1\ud0dc\uc5d0\uc11c \uad81\uadf9\uc801\uc73c\ub85c \uc77c\uad00\ub41c \uc77d\uae30 \ubc0f \uc4f0\uae30\ub97c \uc704\ud574 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub450 \ud074\ub7ec\uc2a4\ud130\uc5d0\uc11c \ub3d9\uc77c\ud55c \ud0a4\uac00 \ubcc0\uacbd\ub418\uba74 \uc4f0\uae30 \ucda9\ub3cc\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9ce\uc740 \uace0\uac1d\ub4e4\uc774 \uc18c\uc2a4 \ud074\ub7ec\uc2a4\ud130\uc640 \ub300\uc0c1 \ud074\ub7ec\uc2a4\ud130\uc5d0\uc11c \uacb9\uce58\uc9c0 \uc54a\ub294 \ud0a4 \ubc94\uc704\ub85c \uc4f0\uae30 \ud2b8\ub798\ud53d\uc744 \ubd84\ud560\ud558\uc5ec \uc4f0\uae30 \ucda9\ub3cc\uc744 \ucd5c\uc18c\ud654\ud569\ub2c8\ub2e4.<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

CAP is well known to many so I won’t spend the time to explain the intro material here but wanted to correctly identify a misconception that came up a few times in conversations recently. Here is the punchline for this […]<\/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":[],"ppma_author":[8978],"class_list":["post-1525","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"yoast_head":"\nCAP Theorem and Couchbase Server with XDCR | Couchbase<\/title>\n<meta name=\"description\" content=\"The \u2018CAP\u2019 behavior of Couchbase Server as a single cluster vs Couchbase Server with XDCR is different. 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