{"id":5019,"date":"2018-04-19T15:11:07","date_gmt":"2018-04-19T22:11:07","guid":{"rendered":"http:\/\/www.couchbase.com\/blog\/?p=5019"},"modified":"2023-07-11T21:10:44","modified_gmt":"2023-07-12T04:10:44","slug":"event-sourcing-event-logging-an-essential-microservice-pattern","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/ko\/event-sourcing-event-logging-an-essential-microservice-pattern\/","title":{"rendered":"\uc774\ubca4\ud2b8 \uc18c\uc2f1 | \uc774\ubca4\ud2b8 \ub85c\uae45 - \ud544\uc218 \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4 \ud328\ud134"},"content":{"rendered":"<p>\uc774\uc804 \uac8c\uc2dc\ubb3c\uc5d0\uc11c \uc5b8\uae09\ud588\ub4ef\uc774 <a href=\"https:\/\/www.couchbase.com\/blog\/ko\/condemn-microservices-architecture-fail-even-start\/\">\ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4\ub85c \uc2e4\ud328\ud558\ub294 \ubc29\ubc95<\/a>\ubd84\uc0b0 \uc2dc\uc2a4\ud15c\uc744 \ub514\ubc84\uae45\ud558\ub294 \uac83\uc740 \uc5b4\ub824\uc6b4 \uc791\uc5c5\uc785\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \ubd88\uc548\uc815, \uc77c\uc2dc\uc801 \uc0ac\uc6a9 \ubd88\uac00, \uc678\ubd80 \ubc84\uadf8 \ub4f1 \uc5ec\ub7ec \uac00\uc9c0 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc73c\uba70, \uadf8 \uc911 \uc77c\ubd80\ub294 \uc6b0\ub9ac\uac00 \ud1b5\uc81c\ud560 \uc218 \uc5c6\ub294 \uac83\uc774\uae30\ub3c4 \ud569\ub2c8\ub2e4. \uc624\ub298\uc740 \uc774\ubca4\ud2b8 \uc18c\uc2f1\/\uc774\ubca4\ud2b8 \ub85c\uae45 \ud328\ud134\uc744 \uc0ac\uc6a9\ud558\uc5ec \"\uc2dc\uac04\uc744 \uac70\uc2ac\ub7ec \uc62c\ub77c\uac00\" \ubb34\uc5c7\uc774 \uc798\ubabb\ub418\uc5c8\ub294\uc9c0 \uc774\ud574\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<p><span style=\"font-weight: 400\">\ub2e4\ud589\ud788\ub3c4 \ub124\ud2b8\uc6cc\ud06c\ub97c \ubaa8\ub2c8\ud130\ub9c1\ud558\uc5ec \uc608\uae30\uce58 \uc54a\uc740 \uc774\ubca4\ud2b8\ub97c \uac10\uc9c0\ud558\uace0 \uae30\ub85d\ud560 \uc218 \uc788\ub294 \ub2e4\uc591\ud55c \ub3c4\uad6c\uac00 \uc2dc\uc911\uc5d0 \ub098\uc640 \uc788\uc2b5\ub2c8\ub2e4.<\/span>\u00a0<a href=\"https:\/\/www.couchbase.com\/blog\/ko\/condemn-microservices-architecture-fail-even-start\/\">\uc11c\ube44\uc2a4 \uba54\uc2dc<\/a> \uc640 \uac19\uc740 \ub3c4\uad6c\ub97c \uc0ac\uc6a9\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/opentracing.io\/\">\uc624\ud508\ud2b8\ub808\uc774\uc2f1<\/a> \ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc5d4\ud2f0\ud2f0\uc758 \uc0c1\ud0dc\ub97c \ud30c\uc545\ud558\ub294 \ub370 \uc788\uc5b4 \ube60\ub978 \ud50c\ub7ec\uadf8 \uc564 \ud50c\ub808\uc774 \ud504\ub808\uc784\uc6cc\ud06c\ub294 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ub370\uc774\ud130\ub294 \uc7a0\uc7ac\uc801\uc73c\ub85c \ucf54\ub4dc\ubcf4\ub2e4 \ub354 \uc624\ub798 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc9c0\ub9cc, \uc6b0\ub9ac\ub294 \uc2dc\uac04\uc774 \uc9c0\ub0a8\uc5d0 \ub530\ub77c \ub370\uc774\ud130\uac00 \uc5b4\ub5bb\uac8c \uc9c4\ud654\ud558\ub294\uc9c0 \uac04\uacfc\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \"\uc774 \uc5d4\ud2f0\ud2f0\uac00 \uc5b4\ub5bb\uac8c \uc774 \uc0c1\ud0dc\uc5d0 \ub3c4\ub2ec\ud588\ub098\uc694?\" \ub610\ub294 \"\ud55c \ub2ec \uc804 \ub0b4 \uc0c1\ud0dc\ub294 \uc5b4\ub560\ub098\uc694?\"\uc640 \uac19\uc740 \uac04\ub2e8\ud55c \uc9c8\ubb38\uc870\ucc28 \ubcc0\uacbd \uc774\ub825\uc774 \uc800\uc7a5\ub418\uc9c0 \uc54a\uc558\uae30 \ub54c\ubb38\uc5d0 \ub300\ub2f5\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubcc0\uacbd \uc0ac\ud56d\uc744 \ucd94\uc801\ud558\ub294 \uac83\uc740 \ubcf4\uc548\uc774\ub098 \ub514\ubc84\uae45 \ubaa9\uc801\ubfd0\ub9cc \uc544\ub2c8\ub77c \ubc29\ub300\ud55c \ube44\uc988\ub2c8\uc2a4 \uac00\uce58 \ub54c\ubb38\uc5d0(\uc81c\ud488 \uc18c\uc720\uc790\uac00 \uae30\ubed0\ud560 \uac83\uc785\ub2c8\ub2e4) \uac74\uac15\ud55c \uc2dc\uc2a4\ud15c\uc744 \uc704\ud574 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>\uc194\ub8e8\uc158<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p>\uc11c\ube44\uc2a4\uc5d0\uc11c \uc77c\uc5b4\ub098\ub294 \uc77c\uc5d0 \ub300\ud55c \uac00\uc2dc\uc131\uc744 \ucd94\uac00\ud558\ub294 \ud6cc\ub96d\ud55c \ubc29\ubc95\uc740 \uc774\ubca4\ud2b8 \uc18c\uc2f1 | \uc774\ubca4\ud2b8 \ub85c\uae45\uc744 \uc774\uc6a9\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774 10\ub144 \ub41c \ud328\ud134\uc758 \uae30\ubcf8 \uac1c\ub150\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc0c1\ud0dc\uc5d0 \ub300\ud55c \ubaa8\ub4e0 \ubcc0\uacbd \uc0ac\ud56d\uc744 \uc774\ubca4\ud2b8 \uac1d\uccb4\uc5d0 \ucea1\uc290\ud654\ud558\uc5ec \uc21c\ucc28\uc801\uc73c\ub85c \uc800\uc7a5\ud574\uc57c \ud55c\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774 \ud328\ud134\uc774 \uc775\uc219\ud558\uac8c \ub4e4\ub9b0\ub2e4\uba74, \uc81c\uc5b4 \uc2dc\uc2a4\ud15c\uc774\ub098 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud2b8\ub79c\uc7ad\uc158 \ub85c\uadf8\uc758 \ubaa8\ub4e0 \ubc84\uc804\uc774 \uc774 \uc774\ubca4\ud2b8 \ud328\ud134\uc744 \ub9ce\uc774 \uc0ac\uc6a9\ud558\uae30 \ub54c\ubb38\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ud558\uc9c0\ub9cc \uc5b4\ub5bb\uac8c \uc791\ub3d9\ud558\ub294\uc9c0 \ub354 \uc790\uc138\ud788 \uc54c\uc544\ubd05\uc2dc\ub2e4. \uc6b0\ub9ac\uac00 <strong>\uc8fc\ubb38 \uc11c\ube44\uc2a4<\/strong> \uc758 \uacbd\uc6b0 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc0c1\ud0dc\uc640 \uc774\ubca4\ud2b8\uac00 \uc5b4\ub5bb\uac8c \ud45c\uc2dc\ub418\ub294\uc9c0 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5020\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2018\/04\/Screen-Shot-2018-04-11-at-4.59.17-PM.png\" alt=\"\" width=\"476\" height=\"373\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-4.59.17-PM.png 1018w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-4.59.17-PM-300x235.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-4.59.17-PM-768x602.png 768w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-4.59.17-PM-20x16.png 20w\" sizes=\"auto, (max-width: 476px) 100vw, 476px\" \/><\/p>\n<p>\ub9ce\uc740 \uc800\uc790\ub4e4\uc740 \uc774\ubca4\ud2b8 \uc18c\uc2f1\/\ub85c\uae45 \uc2dc\uc2a4\ud15c\uc5d0 \ub300\ud55c \uc138 \uac00\uc9c0 \uc8fc\uc694 \uaddc\uce59\uc744 \uc815\uc758\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uc774\ubca4\ud2b8\ub294 \ud56d\uc0c1 \ubd88\ubcc0\uc785\ub2c8\ub2e4;<\/li>\n<li>\uc774\ubca4\ud2b8\ub294 \ud56d\uc0c1 \uacfc\uac70\uc5d0 \uc77c\uc5b4\ub09c \uc77c\uc785\ub2c8\ub2e4. \uc77c\ubd80 \uac1c\ubc1c\uc790\ub294 \uba85\ub839\uc5b4(\uc608: PlaceOrder)\ub97c \uc774\ubca4\ud2b8(\uc608: OrderPlaced)\ub85c \ucc29\uac01\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc774\ub860\uc801\uc73c\ub85c\ub294 \uc5b8\uc81c\ub4e0\uc9c0 \ud604\uc7ac \uc0c1\ud0dc\ub97c \uc0ad\uc81c\ud558\uace0 \uc218\uc2e0\ub41c \ubaa8\ub4e0 \uba54\uc2dc\uc9c0\ub97c \uc7ac\ucc98\ub9ac\ud558\uc5ec \uc804\uccb4 \uc2dc\uc2a4\ud15c\uc744 \ub2e4\uc2dc \uad6c\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc774 \ud328\ud134\uc758 \ub610 \ub2e4\ub978 \uc88b\uc740 \uc810\uc740 \uc2e4\uc81c \uad6c\uc870\uac00 \uc5b4\ub5bb\uac8c \ubcf4\uc77c\uc9c0 \uc0dd\uac01\ud558\uae30 \uc804\uc5d0 \uc2dc\uc2a4\ud15c\uc758 \uc774\ubca4\ud2b8\uc5d0 \ub300\ud574 \uc0dd\uac01\ud558\ub3c4\ub85d \uc720\ub3c4\ud55c\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc5d4\ud2f0\ud2f0\uc640 \uc18d\uc131\uc744 \uadf8\ub824\uc11c \uc2dc\uc2a4\ud15c\uc744 \uc124\uacc4\ud558\ub294 \ubc29\ubc95\uc744 \ubc30\uc6e0\uae30 \ub54c\ubb38\uc5d0 \ucc98\uc74c\uc5d0\ub294 \uc9c1\uad00\uc801\uc774\uc9c0 \uc54a\uc744 \uc218 \uc788\uc9c0\ub9cc, \uc774\ub294 \uc11c\ube44\uc2a4\uac00 \uc11c\ub85c \uc5b4\ub5bb\uac8c \ud1b5\uc2e0\ud560\uc9c0 \uba3c\uc800 \uc0dd\uac01\ud558\uc5ec \uc27d\uac8c \uc2dd\ubcc4\ud558\ub294 \ub610 \ub2e4\ub978 \uc77c\ubc18\uc801\uc778 DDD \uad8c\uc7a5 \uc0ac\ud56d\uacfc \uc798 \ub9de\ub2ff\uc544 \uc788\uc2b5\ub2c8\ub2e4. <strong><em>\ub3c4\uba54\uc778<\/em><\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<h3><strong>\uc774\ubca4\ud2b8 \uc18c\uc2f1 | \uc774\ubca4\ud2b8 \ub85c\uae45 \ud750\ub984<\/strong><\/h3>\n<p>\uc774\ubca4\ud2b8 \uc18c\uc2f1\uc758 \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \ud750\ub984\uc740 \ub2e4\uc74c\uacfc \uc720\uc0ac\ud569\ub2c8\ub2e4:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5024\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2018\/04\/event_sourcing_flow-1024x581.png\" alt=\"\" width=\"650\" height=\"369\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/event_sourcing_flow-1024x581.png 1024w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/event_sourcing_flow-300x170.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/event_sourcing_flow-768x436.png 768w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/event_sourcing_flow-20x11.png 20w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/event_sourcing_flow-1320x749.png 1320w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/event_sourcing_flow.png 1368w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><\/p>\n<ul>\n<li><strong>\uba54\uc2dc\uc9c0 \uc218\uc2e0\uae30<\/strong> \ub294 \uc218\uc2e0 \uc694\uccad\uc744 \uc774\ubca4\ud2b8\ub85c \ubcc0\ud658\ud558\uace0 \uc720\ud6a8\uc131\uc744 \uac80\uc0ac\ud560 \ucc45\uc784\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc774\ubca4\ud2b8 \uc2a4\ud1a0\uc5b4<\/strong> \ub294 \uc774\ubca4\ud2b8\ub97c \uc21c\ucc28\uc801\uc73c\ub85c \uc800\uc7a5\ud558\uace0 \ub9ac\uc2a4\ub108\uc5d0\uac8c \uc54c\ub9bc\uc744 \ubcf4\ub0b4\ub294 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc774\ubca4\ud2b8 \ub9ac\uc2a4\ub108:<\/strong> \uc9d0\uc791\ud560 \uc218 \uc788\ub4ef\uc774, \uac01 \uc774\ubca4\ud2b8 \uc720\ud615\uc5d0 \ub530\ub77c \uac01\uac01\uc758 \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\uc744 \uc2e4\ud589\ud558\ub294 \ucf54\ub4dc\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc774 \ud328\ud134\uc744 \uad6c\ud604\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc740 \uc5ec\ub7ec \uac00\uc9c0\uac00 \uc788\ub294\ub370, \uadf8 \uc911 \ud558\ub098\ub294 <a href=\"https:\/\/www.couchbase.com\/blog\/ko\/eventing\/\">\uc774\ubca4\ud2b8 \uc11c\ube44\uc2a4<\/a>\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc694\uc57d\ud558\uba74, \ubb38\uc11c\uac00 \uc0bd\uc785\/\uc5c5\ub370\uc774\ud2b8\/\uc0ad\uc81c\ub420 \ub54c\ub9c8\ub2e4 \ud2b8\ub9ac\uac70\ub418\ub294 \ud568\uc218\ub97c \uc791\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc774\ubca4\ud2b8 \uba54\ucee4\ub2c8\uc998\uc744 \uc0ac\uc6a9\ud558\uba74 <strong><em>curl<\/em><\/strong> \uc694\uccad\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud2b9\uc815 \ubb38\uc11c\uac00 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc800\uc7a5\ub420 \ub54c\ub9c8\ub2e4 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc5d4\ub4dc\ud3ec\uc778\ud2b8\ub97c \ud2b8\ub9ac\uac70\ud558\uc5ec \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ubca4\ud2b8 \ucc98\ub9ac\ub97c \uc0ac\uc6a9\ud558\uba74 \uc5b4\ub5bb\uac8c \ub418\ub294\uc9c0 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5025\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2018\/04\/Screen-Shot-2018-04-11-at-5.31.22-PM-1024x578.png\" alt=\"\" width=\"626\" height=\"353\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-5.31.22-PM-1024x578.png 1024w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-5.31.22-PM-300x169.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-5.31.22-PM-768x434.png 768w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-5.31.22-PM-20x11.png 20w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-5.31.22-PM-1320x745.png 1320w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-5.31.22-PM.png 1332w\" sizes=\"auto, (max-width: 626px) 100vw, 626px\" \/><\/p>\n<p style=\"text-align: center\">\uc774\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \ub0b4\uc6a9\uc744 \uc54c\uc544\ubcf4\ub824\uba74 <a href=\"https:\/\/developer.couchbase.com\/documentation\/server\/5.5\/eventing\/eventing-overview.html\">\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uc774\ubca4\ud2b8 \uacf5\uc2dd \ubb38\uc11c<\/a>.<\/p>\n<p>\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uc774\ubca4\ud2b8\ub294 \ube44\ub3d9\uae30\uc2dd\uc774\uae30 \ub54c\ubb38\uc5d0 \uc704\uc758 \uad6c\ud604\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \ube44\ub3d9\uae30 \ud638\ucd9c\ub9cc \uc218\uc2e0\ud558\ub294 \uacbd\uc6b0\uc5d0\ub9cc \uc801\ud569\ud569\ub2c8\ub2e4. \ub610\ud55c \ub204\uad70\uac00 \uc774\ubca4\ud2b8\ub97c \uc218\ub3d9\uc73c\ub85c \uc5c5\ub370\uc774\ud2b8\ud558\ub824\uace0 \uc2dc\ub3c4\ud558\ub294 \uacbd\uc6b0 \uc54c\ub9bc\uc744 \ud2b8\ub9ac\uac70\ud558\ub294 \ucd94\uac00 \ubcf4\uc548 \uacc4\uce35\uc73c\ub85c \uc791\ub3d9\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc77c\ubd80 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \uc774\ubca4\ud2b8\uc758 \ud544\ub4dc\uc640 \uad6c\uc870\uac00 \uc11c\ub85c \uc0c1\ub2f9\ud788 \ub2e4\ub97c \uc218 \uc788\uc73c\uba70, RDBM\uc758 \uace0\uc815\ub41c \uad6c\uc870\ub85c \uc778\ud574 \uc774\ubca4\ud2b8 \uc800\uc7a5\uc18c\ub97c \ubaa8\ub378\ub9c1\ud558\uae30\uac00 \uc5b4\ub835\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc774\uc720\ub85c \uac1c\ubc1c\uc790\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc774\ubca4\ud2b8 \uc800\uc7a5\uc18c\ub97c <em>JSON \ubb38\uc790\uc5f4<\/em> \ub97c <em>varchar<\/em> \ud544\ub4dc\uc5d0 \ucd94\uac00\ud569\ub2c8\ub2e4. \uc774 \uc811\uadfc \ubc29\uc2dd\uc5d0\ub294 \ud070 \ubb38\uc81c\uac00 \uc788\uc2b5\ub2c8\ub2e4: \ub300\ubd80\ubd84\uc758 \ucffc\ub9ac\uac00 \ub290\ub9ac\uace0 \ubcf5\uc7a1\ud558\uba70 '<strong>\uc88b\uc544\uc694'<\/strong>.  \uc774\ub97c \uc704\ud55c \uac00\ub2a5\ud55c \ud574\uacb0\ucc45 \uc911 \ud558\ub098\ub294 \ubb38\uc11c \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \ubb38\uc11c \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \ubb38\uc11c\ub97c JSON\uc73c\ub85c \uc800\uc7a5\ud558\uace0 \ub2e4\uc74c\uacfc \uac19\uc774 \ucffc\ub9ac\ub97c \uc704\ud55c \uc801\uc808\ud55c SQL \uc720\uc0ac \uc5b8\uc5b4\ub97c \uac00\uc9c0\uace0 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. <a href=\"https:\/\/query-tutorial.couchbase.com\/tutorial\/#1\">N1QL<\/a>.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h3><strong>\uc2a4\ub0c5\uc0f7 \ucc0d\uae30 - \uc0c1\ud0dc\uc5d0 \ub9de\uac8c \ubc84\uc804 \uad00\ub9ac<\/strong><\/h3>\n<p>\uc0c1\ud0dc\uc5d0 \ubc84\uc804 \uad00\ub9ac\/\uc774\ub825\uc744 \ucd94\uac00\ud558\ub294 \uac83\uc744 \uc774\ubca4\ud2b8 \uc18c\uc2f1 \uc5c5\uacc4\uc5d0\uc11c\ub294 '\uc2a4\ub0c5\uc0f7'\uc774\ub77c\uace0 \ubd80\ub974\uae30\ub3c4 \ud569\ub2c8\ub2e4. N\uc77c \uc804 \uc0c1\ud0dc\ub97c \uc54c\uc544\uc57c \ud560 \ub54c\ub9c8\ub2e4 \ubaa8\ub4e0 \uc774\ubca4\ud2b8\ub97c \ub2e4\uc2dc \ucc98\ub9ac\ud558\uc9c0 \uc54a\uc544\ub3c4 \ub429\ub2c8\ub2e4. \ub610\ud55c \uc774\ubca4\ud2b8 \ucc98\ub9ac \ud6c4 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc0c1\ud0dc\uac00 \uc608\uc0c1\uacfc \ub2e4\ub978 \uc2dc\uc810\uc744 \ube60\ub974\uac8c \uc778\uc2dd\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c \ub514\ubc84\uae45\uc5d0\ub3c4 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<p>\uc2a4\ub0c5\uc0f7\uc740 \uc720\uc6a9\ud558\uace0, \uc800\ub834\ud558\uba70, \uad6c\ud604\ud558\uae30 \uc27d\uace0, \uc77c\uc2dc\uc801 \ubcf4\uace0\uc11c\uc5d0 \ud0c1\uc6d4\ud569\ub2c8\ub2e4. \uc774\ubca4\ud2b8 \uc18c\uc2f1 \ud328\ud134\uc744 \uad6c\ud604\ud558\uae30\ub85c \uacb0\uc815\ud588\ub2e4\uba74 \uc57d\uac04\uc758 \ucd94\uac00 \ub178\ub825\uc744 \uae30\uc6b8\uc5ec \uc2a4\ub0c5\uc0f7\ub3c4 \uad6c\ud604\ud558\uc138\uc694.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5026\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2018\/04\/Screen-Shot-2018-04-11-at-12.02.22-PM-1024x630.png\" alt=\"\" width=\"476\" height=\"293\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-12.02.22-PM-1024x630.png 1024w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-12.02.22-PM-300x185.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-12.02.22-PM-768x473.png 768w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-12.02.22-PM-20x12.png 20w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-12.02.22-PM.png 1202w\" sizes=\"auto, (max-width: 476px) 100vw, 476px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h3><strong>\ubd88\uc77c\uce58 \ubb38\uc81c \ud574\uacb0 <\/strong><\/h3>\n<p>\uc77c\ubc18\uc801\uc73c\ub85c \uc5ec\uae30\uc5d0\uc11c \ubaa8\ub4e0 \ub178\ub825\uc774 \uacb0\uc2e4\uc744 \ub9fa\uc2b5\ub2c8\ub2e4. \uc774\ubca4\ud2b8 \uc18c\uc2f1\/\ub85c\uae45 \ubc0f \uc2a4\ub0c5\uc0f7\uc744 \uc124\uc815\ud55c \ud6c4\uc5d0\ub294 \uc57d\uac04 \uc218\uc815\ub41c \ubc84\uc804\uc758 <a href=\"https:\/\/martinfowler.com\/eaaDev\/RetroactiveEvent.html\">\uc18c\uae09 \uc774\ubca4\ud2b8<\/a> \ud328\ud134\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubd88\uc77c\uce58\ub97c \uc218\uc815\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc694\uc57d\ud558\uba74, \ubc84\uadf8\ub97c \uc218\uc815\ud55c \ud6c4 \uc601\ud5a5\uc744 \ubc1b\ub294 \uc5d4\ud2f0\ud2f0\uc758 \uc0c1\ud0dc\ub3c4 \uc870\uc815\ud574\uc57c \ud558\ub294 \uacbd\uc6b0 \uc218\ub3d9\uc73c\ub85c \uc5c5\ub370\uc774\ud2b8\ud558\ub294 \ub300\uc2e0 \uc5d4\ud2f0\ud2f0\uc758 \uc0c1\ud0dc\ub97c \ubc84\uadf8 \uc774\uc804\uc73c\ub85c \uc124\uc815\ud558\uace0 \uadf8 \uc774\ud6c4 \uad00\ub828\ub41c \ubaa8\ub4e0 \uc774\ubca4\ud2b8\ub97c \ub2e4\uc2dc \uc7ac\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uc790\ub3d9\uc73c\ub85c \uc0c1\ud0dc\uac00 \uc218\uc815\ub429\ub2c8\ub2e4. <strong><em>\ub9e4\ub274\uc5bc<\/em><\/strong> \uac1c\uc785.<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5027\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2018\/04\/Screen-Shot-2018-04-11-at-2.39.37-PM-1024x583.png\" alt=\"\" width=\"533\" height=\"303\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-2.39.37-PM-1024x583.png 1024w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-2.39.37-PM-300x171.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-2.39.37-PM-768x437.png 768w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-2.39.37-PM-1536x875.png 1536w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-2.39.37-PM-20x11.png 20w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-2.39.37-PM-1320x752.png 1320w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-2.39.37-PM.png 1556w\" sizes=\"auto, (max-width: 533px) 100vw, 533px\" \/><\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>\ub864\ubc31 \uc0c1\ud0dc<\/strong>\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc5d4\ud2f0\ud2f0\uc758 \uc0c1\ud0dc\ub97c \ubc84\uadf8 \ubc1c\uc0dd \uc804\uc73c\ub85c \ub864\ubc31\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c\uc744 \ud53c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <em>1\ub2e8\uacc4<\/em> \uadf8\ub9ac\uace0 <em>2<\/em> \ubaa8\ub4e0 \uc774\ubca4\ud2b8\ub97c \uc7ac\uc0dd\ud558\ub294 \ubc29\ubc95\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc774 \uacbd\uc6b0\uc5d0\ub294 \uc804\uccb4 \uc7ac\ucc98\ub9ac\ub97c \ud53c\ud558\uace0 \uc2f6\uae30 \ub54c\ubb38\uc5d0 \uc774\uc804 \uc0c1\ud0dc\ub85c \ubcf5\uc6d0\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc2a4\ub0c5\uc0f7\uc744 \ubb34\uc2dc\ud569\ub2c8\ub2e4:<\/strong> \ubcf5\uc6d0\ub41c \uc2a4\ub0c5\uc0f7 \uc774\ud6c4\uc758 \ubaa8\ub4e0 \uc2a4\ub0c5\uc0f7\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\uc2dc\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. <strong><em>\ubb34\uc2dc\ub428<\/em><\/strong> \ub97c \uc0ac\uc6a9\ud558\uc5ec \ub098\uc911\uc5d0 \uc77c\uad00\uc131 \uc5c6\ub294 \uc2a4\ub0c5\uc0f7\uc744 \ubcf5\uc6d0\ud558\uc9c0 \uc54a\ub3c4\ub85d \ud558\uc138\uc694.<\/li>\n<li><strong>\uc774\ubca4\ud2b8 \uc7ac\uad6c\ucd95<\/strong>\ub300\uc0c1\ubd80\ud130 \ubaa8\ub4e0 \uc774\ubca4\ud2b8\ub97c \ub2e4\uc2dc \ube4c\ub4dc\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\ud558\uc9c0\ub9cc \uc774\ubca4\ud2b8\uc5d0 \uc798\ubabb\ub41c \ub370\uc774\ud130\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uac70\ub098 \uc560\ucd08\uc5d0 \ud2b8\ub9ac\uac70\ub418\uc5b4\uc11c\ub294 \uc548 \ub418\ub294 \uc774\ubca4\ud2b8\uc778 \uacbd\uc6b0\uc5d0\ub294 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud560\uae4c\uc694? \uc774\ubca4\ud2b8\ub97c \uc5c5\ub370\uc774\ud2b8\ud558\uac70\ub098 \uc0ad\uc81c\ud558\uace0 \uc804\uccb4\ub97c \ub2e4\uc2dc \ucc98\ub9ac\ud560 \uc218 \uc788\uc744\uae4c\uc694?<\/p>\n<p>\uae30\uc5b5\ud558\uc2dc\uaca0\uc9c0\ub9cc, \uc774\ubca4\ud2b8 \uc18c\uc2f1\uc758 \uccab \ubc88\uc9f8 \uaddc\uce59\uc740 \"<strong><em>\uc774\ubca4\ud2b8\ub294 \ud56d\uc0c1 \ubd88\ubcc0<\/em><\/strong>'\ub77c\uace0 \ubb3b\ub294\ub2e4\uba74 \uc774\ub294 \ub9e4\uc6b0 \ud0c0\ub2f9\ud55c \uc774\uc720\uc774\uba70, \ud604\uc7ac \ubcf4\uace0 \uc788\ub294 \ub85c\uadf8\ub97c \uc2e0\ub8b0\ud574\uc57c \ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc774\ub294 \uc6b0\ub9ac\uc758 \uc9c8\ubb38\uc5d0 \ub300\ud55c \ub2f5\uc774 \uc544\ub2c8\uba70, \uc774\ubca4\ud2b8\ub97c \ubcc0\uacbd\ud558\uc9c0 \uc54a\uace0 \uc5b4\ub5bb\uac8c \uc774\ubca4\ud2b8 \ub85c\uadf8\ub97c \ubcc0\uacbd\ud560 \uc218 \uc788\uc744\uae4c\uc694? \ub77c\ub294 \uc9c8\ubb38\uc744 \uc57d\uac04 \uc218\uc815\ud588\uc744 \ubfd0\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \uc26c\uc6b4 \ubc29\ubc95\uc740 \uc774\ubca4\ud2b8\ub97c \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\uc2dc\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. <strong>\ubb34\uc2dc<\/strong> \ub97c \uc0ac\uc6a9\ud558\uc5ec \uc7ac\uad6c\ucd95 \uacfc\uc815\uc5d0\uc11c \ubb34\uc2dc\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5028\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2018\/04\/Screen-Shot-2018-04-12-at-1.46.48-PM-1024x545.png\" alt=\"\" width=\"582\" height=\"310\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-12-at-1.46.48-PM-1024x545.png 1024w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-12-at-1.46.48-PM-300x160.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-12-at-1.46.48-PM-768x409.png 768w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-12-at-1.46.48-PM-1536x818.png 1536w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-12-at-1.46.48-PM-818x434.png 818w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-12-at-1.46.48-PM-20x11.png 20w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-12-at-1.46.48-PM-1320x703.png 1320w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-12-at-1.46.48-PM.png 1604w\" sizes=\"auto, (max-width: 582px) 100vw, 582px\" \/><\/p>\n<p>\uc774\ubca4\ud2b8\uac00 \uc798\ubabb\ub41c \ub370\uc774\ud130 \ub610\ub294 \uc798\ubabb\ub41c \uc21c\uc11c\ub85c \ud2b8\ub9ac\uac70\ub41c \uacbd\uc6b0\uc5d0\ub294 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud560\uae4c\uc694? \uc774 \uc811\uadfc \ubc29\uc2dd\uc744 \uc0ac\uc6a9\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \uc774\ubca4\ud2b8\ub97c \ubb34\uc2dc\ud560 \uc218 \uc5c6\ub294 \uac83\uc73c\ub85c \ud45c\uc2dc\ud558\uace0 \uc62c\ubc14\ub978 \uac12 \ub610\ub294 \uc62c\ubc14\ub978 \uc704\uce58\uc5d0 \uc0c8 \uc774\ubca4\ud2b8\ub97c \ucd94\uac00\ud558\uae30\ub9cc \ud558\uba74 \ub429\ub2c8\ub2e4:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5029\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2018\/04\/Screen-Shot-2018-04-12-at-1.51.56-PM-1024x551.png\" alt=\"\" width=\"545\" height=\"293\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-12-at-1.51.56-PM-1024x551.png 1024w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-12-at-1.51.56-PM-300x161.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-12-at-1.51.56-PM-768x413.png 768w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-12-at-1.51.56-PM-1536x826.png 1536w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-12-at-1.51.56-PM-20x11.png 20w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-12-at-1.51.56-PM-1320x710.png 1320w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-12-at-1.51.56-PM.png 1562w\" sizes=\"auto, (max-width: 545px) 100vw, 545px\" \/><\/p>\n<p>\uba4b\uc9c0\uc9c0 \uc54a\ub098\uc694? \ud558\uc9c0\ub9cc \uc5ec\uae30\uc5d0 \uae4c\ub2e4\ub85c\uc6b4 \uacfc\uc81c\uac00 \ud558\ub098 \ub354 \uc788\uc2b5\ub2c8\ub2e4. \uc911\uac04\uc5d0 \uc774\ubca4\ud2b8\ub97c \ucd94\uac00\ud560 \uc218 \uc788\ub294 \uc774\ubca4\ud2b8 \uc2dc\ud000\uc2a4\ub97c \uc5b4\ub5bb\uac8c \ub9cc\ub4e4 \uc218 \uc788\uc744\uae4c\uc694?<\/p>\n<p>\uc21c\uc9c4\ud55c \ud574\uacb0\ucc45\uc740 \uac01 \uc5d4\ud2f0\ud2f0\uc5d0 \ud50c\ub85c\ud2b8 \uce74\uc6b4\ud130\ub97c \ucd94\uac00\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc740 \uc774\ub860\uc5d0 \ub530\ub77c \uc911\uac04\uc5d0 \ud56d\ubaa9\uc744 \ubb34\ud55c\ub300\ub85c \ucd94\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/en.wikipedia.org\/wiki\/Supertask\">\uc288\ud37c\ud0dc\uc2a4\ud06c<\/a> (\uc2e4\uc81c\ub85c\ub294 \ud50c\ub85c\ud2b8\/\ub450 \ubc30 \ucd5c\ub300 \ud06c\uae30\ub85c \uc81c\ud55c\ub428), \uc77c\ubc18\uc801\uc73c\ub85c \uc0c1\ud0dc\ub97c \uc218\uc815\ud558\ub294 \ub370 \ud544\uc694\ud55c \ubaa8\ub4e0 \uc774\ubca4\ud2b8\ub97c \ucd94\uac00\ud558\uae30\uc5d0 \ucda9\ubd84\ud55c \uacf5\uac04\uc785\ub2c8\ub2e4:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5030\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2018\/04\/Screen-Shot-2018-04-19-at-11.59.17-PM-1024x580.png\" alt=\"\" width=\"545\" height=\"309\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-19-at-11.59.17-PM-1024x580.png 1024w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-19-at-11.59.17-PM-300x170.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-19-at-11.59.17-PM-768x435.png 768w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-19-at-11.59.17-PM-1536x870.png 1536w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-19-at-11.59.17-PM-20x11.png 20w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-19-at-11.59.17-PM-1320x748.png 1320w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-19-at-11.59.17-PM.png 1800w\" sizes=\"auto, (max-width: 545px) 100vw, 545px\" \/><\/p>\n<p>\ubb3c\ub860 \uc704\uc758 \uc811\uadfc \ubc29\uc2dd\uc5d0\ub294 \ub9ce\uc740 \uacb0\ud568\uc774 \uc788\uc9c0\ub9cc \uad6c\ud604\uc774 \uc5c4\uccad\ub098\uac8c \uac04\ub2e8\ud558\uace0 \ucffc\ub9ac\ud558\uae30 \uc26c\uc6b0\uba70 \ub300\ubd80\ubd84\uc758 \uacbd\uc6b0\uc5d0 \uaf64 \uc798 \uc791\ub3d9\ud569\ub2c8\ub2e4. \ubcf4\ub2e4 \uac15\ub825\ud55c \uad6c\uc870\ub97c \uad6c\ucd95\ud574\uc57c \ud55c\ub2e4\uba74 \uc774\ubca4\ud2b8\ub97c \ub9c1\ud06c\ub4dc \ub9ac\uc2a4\ud2b8 \uad6c\uc870\ub85c \uc800\uc7a5\ud558\ub294 \uac83\uc744 \uace0\ub824\ud574 \ubcf4\uc138\uc694:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-5031\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2018\/04\/Screen-Shot-2018-04-11-at-3.47.53-PM-1024x272.png\" alt=\"\" width=\"629\" height=\"167\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-3.47.53-PM-1024x272.png 1024w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-3.47.53-PM-300x80.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-3.47.53-PM-768x204.png 768w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-3.47.53-PM-20x5.png 20w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-3.47.53-PM-1320x351.png 1320w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/04\/Screen-Shot-2018-04-11-at-3.47.53-PM.png 1536w\" sizes=\"auto, (max-width: 629px) 100vw, 629px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h3><strong>\uc678\ubd80 \uc2dc\uc2a4\ud15c | \uae30\ud0c0 \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4\ub294 \uc5b4\ub5bb\uac8c \ub418\ub098\uc694?<\/strong><\/h3>\n<p>\ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4\ub294 \uc12c\uc774 \uc544\ub2c8\ubbc0\ub85c \uc774\ubca4\ud2b8 \uc7ac\uc0dd\uc758 \ubd80\uc791\uc6a9 \uc911 \ud558\ub098\ub294 \ub0b4 \uc11c\ube44\uc2a4\uac00 \uc678\ubd80 \uc11c\ube44\uc2a4\uc5d0 \uba54\uc2dc\uc9c0\ub97c \ubcf4\ub0bc \uc218 \uc788\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uba54\uc2dc\uc9c0\ub294 \ub2e4\ub978 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ubd88\uc77c\uce58\ub97c \uc720\ubc1c\ud558\uac70\ub098 \uc624\ub958\ub97c \uc804\ud30c\ud558\uc5ec \uc0c1\ud669\uc744 \uc774\uc804\ubcf4\ub2e4 \ub354 \uc545\ud654\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc548\ud0c0\uae5d\uac8c\ub3c4 \ub2e4\uc591\ud55c \uac00\ub2a5\uc131\uc73c\ub85c \uc778\ud574 \uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud560 \uc218 \uc788\ub294 \ub9cc\ubcd1\ud1b5\uce58\uc57d\uc740 \uc5c6\uc73c\uba70, \uac01 \uc0ac\ub840\ub97c \uac1c\ubcc4\uc801\uc73c\ub85c \ucc98\ub9ac\ud574\uc57c \ud569\ub2c8\ub2e4. \uba87 \uac00\uc9c0 \uae30\uc874 \uc194\ub8e8\uc158\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uc678\ubd80 \uba54\uc2dc\uc9c0\ub97c \ubcf4\ub0b4\uc9c0 \uc54a\ub3c4\ub85d \uc77c\uc2dc\uc801\uc73c\ub85c \uad6c\uc131\uc744 \ubcc0\uacbd\ud558\uac70\ub098 \uc5b4\ub5a4 \uba54\uc2dc\uc9c0\ub97c \ubcf4\ub0b4\uc57c \ud558\ub294\uc9c0 \uad6c\uc131\ud560 \uc218 \uc788\ub294 \uc778\ud130\uc149\ud130\ub97c \ucd94\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4;<\/li>\n<li>\ud2b9\uc815 \uc694\uccad\uc744 \uac00\uc9dc \uc11c\ube44\uc2a4\ub85c \ub9ac\ub77c\uc6b0\ud305(\uc11c\ube44\uc2a4 \uba54\uc2dc \ud328\ud134\uc744 \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0 \uc77c\ubc18\uc801\uc778 \uc2dc\ub098\ub9ac\uc624)<\/li>\n<li>\ub2e4\ub978 \uc11c\ube44\uc2a4\uc5d0\uc11c \ud2b9\uc815 \uc791\uc5c5\uc774 \uacfc\uac70\uc5d0 \ub3d9\uc77c\ud55c \ub9e4\uac1c \ubcc0\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774\ubbf8 \uc2e4\ud589\ub418\uc5c8\uc74c\uc744 \uc778\uc2dd\ud55c \ub2e4\uc74c \uc624\ub958\ub97c \ubc1c\uc0dd\uc2dc\ud0a4\ub294 \ub300\uc2e0 \uc774\uc804\uacfc \ub3d9\uc77c\ud55c \uc131\uacf5 \uba54\uc2dc\uc9c0\ub97c \ubc18\ud658\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\ub2f9\uc5f0\ud788 \uc678\ubd80 \ubd88\uc77c\uce58\ub97c \uc790\ub3d9\uc73c\ub85c \uc218\uc815\ud560 \uc218 \uc5c6\ub294 \uacbd\uc6b0\uac00 \uc0c1\ub2f9\ud788 \ub9ce\uc73c\uba70, \uc774 \uc2dc\ub098\ub9ac\uc624\uc5d0\uc11c\ub294 \ub2e4\ub978 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc0ac\ub78c\uc774 \uc77d\uc744 \uc218 \uc788\ub294 \uc624\ub958\ub97c \ucd9c\ub825\ud558\uac70\ub098 \ub204\uad70\uac00\uc758 \uac1c\uc785\uc744 \uc704\ud55c \uc54c\ub9bc\uc744 \ud2b8\ub9ac\uac70\ud560 \uac83\uc73c\ub85c \uc608\uc0c1\ub429\ub2c8\ub2e4.<\/p>\n<p>&nbsp;<\/p>\n<h3><strong>\uc774\ubca4\ud2b8 \uc18c\uc2f1\uc758 \uc7a5\uc810<\/strong><strong>\u00a0<\/strong><\/h3>\n<p>\uac04\ub2e8\ud55c \ud328\ud134\uc774\uc9c0\ub9cc \uc774 \ud328\ud134\uc744 \uc0ac\uc6a9\ud558\uba74 \ub9ce\uc740 \uc774\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uc774\ubca4\ud2b8 \ub85c\uadf8\ub294 \ube44\uc988\ub2c8\uc2a4 \uac00\uce58\uac00 \ub192\uc2b5\ub2c8\ub2e4;<\/li>\n<li>DDD \ubc0f \uc774\ubca4\ud2b8 \uc911\uc2ec \uc544\ud0a4\ud14d\ucc98\uc640 \ub9e4\uc6b0 \uc798 \uc791\ub3d9\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc0c1\ud0dc\uc758 \ubaa8\ub4e0 \ubcc0\uacbd \uc0ac\ud56d\uc758 \ucd9c\ucc98\uc5d0 \ub300\ud55c \uc624\ub514\uc158;<\/li>\n<li>\uc2e4\ud328\ud55c \uc774\ubca4\ud2b8\ub97c \ub2e4\uc2dc \uc7ac\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4;<\/li>\n<li>\ub300\uc0c1 \uc5d4\ud2f0\ud2f0\uc758 \ubaa8\ub4e0 \uc774\ubca4\ud2b8\ub97c \uba38\uc2e0\uc5d0 \ubcf5\uc0ac\ud558\uace0 \uac01 \uc774\ubca4\ud2b8\ub97c \ub514\ubc84\uae45\ud558\uc5ec \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \ud2b9\uc815 \uc0c1\ud0dc\uc5d0 \ub3c4\ub2ec\ud55c \ubc29\ubc95\uc744 \ud30c\uc545\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c \ub514\ubc84\uae45\uc774 \uac04\ud3b8\ud569\ub2c8\ub2e4(\ud504\ub85c\ub355\uc158\uc5d0\uc11c \ub370\uc774\ud130\ub97c \ubcf5\uc0ac\ud560 \ub54c\uc758 \ubcf4\uc548 \uc601\ud5a5\uc740 \ubb34\uc2dc);<\/li>\n<li>\uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/martinfowler.com\/eaaDev\/RetroactiveEvent.html\">\uc18c\uae09 \uc774\ubca4\ud2b8<\/a> \ud328\ud134\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc0c1\ud0dc\ub97c \ub2e4\uc2dc \ube4c\ub4dc\/\uc218\uc815\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\ub9ce\uc740 \uc800\uc790\uac00 \uc77c\uc2dc\uc801 \ucffc\ub9ac \uae30\ub2a5\uc744 \uc7a5\uc810\uc73c\ub85c \uaf3d\uae30\ub3c4 \ud558\uc9c0\ub9cc, \uc800\ub294 \uc5ec\ub7ec \ud6c4\uc18d \uc774\ubca4\ud2b8\ub97c \ucffc\ub9ac\ud558\ub294 \uac83\uc774 \uc0ac\uc18c\ud55c \uc791\uc5c5\uc774 \uc544\ub2c8\ub77c\uace0 \uc0dd\uac01\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc800\ub294 \ubcf4\ud1b5 <strong>\uc784\uc2dc \ucffc\ub9ac<\/strong> \ub97c \uc2a4\ub0c5\uc0f7 \ud328\ud134\uc758 \uc7a5\uc810\uc73c\ub85c \uaf3d\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>&nbsp;<\/p>\n<h3><strong>\uc774\ubca4\ud2b8 \uc18c\uc2f1\uc758 \ub2e8\uc810<\/strong><\/h3>\n<ul>\n<li>\uc694\uccad\uc744 \uba3c\uc800 \uc774\ubca4\ud2b8\ub85c \ubcc0\ud658\ud574\uc57c \ud558\ubbc0\ub85c \ub3d9\uae30\uc2dd \ud638\ucd9c\ub85c \uc791\uc5c5\ud558\ub294 \uac83\uc740 \uc9c1\uad00\uc131\uc774 \uc57d\uac04 \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4.<\/li>\n<li>\ud68d\uae30\uc801\uc778 \ubcc0\uacbd \uc0ac\ud56d\uc744 \ubc30\ud3ec\ud560 \ub54c\ub9c8\ub2e4 \uc774\uc804 \ubc84\uc804\uacfc\uc758 \ud638\ud658\uc131\uc744 \uc720\uc9c0\ud558\ub824\uba74 \uc774\ubca4\ud2b8 \uae30\ub85d\ub3c4 \ub9c8\uc774\uadf8\ub808\uc774\uc158\ud574\uc57c \ud569\ub2c8\ub2e4(\uc774\ubca4\ud2b8 \uc5c5\uadf8\ub808\uc774\ub4dc\ub77c\uace0\ub3c4 \ud568).<\/li>\n<li>\uc77c\ubd80 \uad6c\ud604\uc5d0\uc11c\ub294 \ubaa8\ub4e0 \uc774\ubca4\ud2b8\uac00 \ucc98\ub9ac\ub418\uc5c8\ub294\uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud574 \ucd5c\uc2e0 \uc774\ubca4\ud2b8\uc758 \uc0c1\ud0dc\ub97c \ud655\uc778\ud558\ub294 \ucd94\uac00 \uc791\uc5c5\uc774 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uc774\ubca4\ud2b8\uc5d0\ub294 \uac1c\uc778 \ub370\uc774\ud130\uac00 \ud3ec\ud568\ub420 \uc218 \uc788\uc73c\ubbc0\ub85c \uc774\ubca4\ud2b8 \ub85c\uadf8\uac00 \uc801\uc808\ud558\uac8c \ubcf4\ud638\ub418\ub294\uc9c0 \ud655\uc778\ud558\ub294 \uac83\uc744 \uc78a\uc9c0 \ub9c8\uc138\uc694.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><strong>\uacb0\ub860<\/strong><\/h2>\n<p>\uc9c0\ub09c \uba87 \ub144 \ub3d9\uc548 \uc800\uc5d0\uac8c \uc798 \uc791\ub3d9\ud588\ub358 \uc774\ubca4\ud2b8 \uc18c\uc2f1\/\uc774\ubca4\ud2b8 \ub85c\uae45 \ud328\ud134\uc758 \uc57d\uac04 \uc218\uc815\ub41c \ubc84\uc804\uc744 \ubcf4\uc5ec\ub4dc\ub838\uc2b5\ub2c8\ub2e4. \uc81c\uac00 \uc774 \ud328\ud134\uc5d0 \ub300\ud574 \ucc98\uc74c \ub4e4\uc740 \uac83\uc740 \uac70\uc758 10\ub144 \uc804\uc758 <a href=\"https:\/\/martinfowler.com\/eaaDev\/EventSourcing.html\">\uc720\uba85\ud55c \ub9c8\ud2f4 \ud30c\uc6b8\ub7ec \ube14\ub85c\uadf8 \uac8c\uc2dc\ubb3c<\/a> (\uaf2d \uc77d\uc5b4 \ubcf4\uc138\uc694). \uadf8 \uc774\ud6c4\ub85c \ubaa8\ub4e0 \ubcf4\uace0 \uae30\ub2a5\uc740 \ub9d0\ud560 \uac83\ub3c4 \uc5c6\uace0 \ub9c8\uc774\ud06c\ub85c\uc11c\ube44\uc2a4\uc758 \uc0c1\ud0dc\ub97c \uac70\uc758 \uae68\uc9c0\uc9c0 \uc54a\uac8c \ub9cc\ub4dc\ub294 \ub370 \ub9ce\uc740 \ub3c4\uc6c0\uc774 \ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ud558\uc9c0\ub9cc \ubaa8\ub4e0 \uc11c\ube44\uc2a4\uc5d0 \ubb34\ubd84\ubcc4\ud558\uac8c \uc0ac\uc6a9\ud574\uc57c \ud558\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \uc800\ub294 \uac1c\uc778\uc801\uc73c\ub85c \ud575\uc2ec\uc801\uc778 \uc11c\ube44\uc2a4\uc5d0\ub9cc \uc0ac\uc6a9\ud574\uc57c \ud55c\ub2e4\uace0 \uc0dd\uac01\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \uc0ac\uc6a9\uc790\uac00 \uc790\uc2e0\uc758 \uc774\ub984\uc744 \ubcc0\uacbd\ud55c \ubaa8\ub4e0 \uae30\ub85d\uc744 \uc2dc\uc2a4\ud15c\uc5d0 \ubcf4\uad00\ud560 \ud544\uc694\ub294 \uc5c6\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<p>&nbsp;<\/p>\n<p>\uc9c8\ubb38\uc774 \uc788\uc73c\uc2dc\uba74 \uc5b8\uc81c\ub4e0\uc9c0 \ub2e4\uc74c \uc8fc\uc18c\ub85c \ud2b8\uc717\ud574 \uc8fc\uc138\uc694. <a href=\"https:\/\/twitter.com\/deniswsrosa\">@deniswsrosa<\/a><\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>As I mentioned in my previous post about how to fail with microservices, debugging a distributed system is a challenging task. Many things can go wrong, and some of them are out of our control, such as network instability, temporary [&hellip;]<\/p>\n","protected":false},"author":8754,"featured_media":13873,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1814],"tags":[],"ppma_author":[9059],"class_list":["post-5019","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-application-design"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Event Sourcing Pattern Microservice | Event Based Logging<\/title>\n<meta name=\"description\" content=\"This Couchbase blog post discusses using the Event Sourcing and Event Logging pattern to \u201cgo back in time\u201d and understand what went wrong in your network.\" \/>\n<meta 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