{"id":17325,"date":"2025-07-17T17:47:42","date_gmt":"2025-07-18T00:47:42","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/?p=17325"},"modified":"2025-07-18T11:56:18","modified_gmt":"2025-07-18T18:56:18","slug":"node-drains-webhook-pod-removal","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/ko\/node-drains-webhook-pod-removal\/","title":{"rendered":"\ub178\ub4dc \ub4dc\ub808\uc778 \ub2e4\uc2dc \uc0dd\uac01\ud558\uae30: \uc6f9\ud6c5 \uae30\ubc18\uc758 \uc6b0\uc544\ud55c \ud30c\ub4dc \uc81c\uac70 \uc811\uadfc\ubc95"},"content":{"rendered":"<p>\ucfe0\ubc84\ub124\ud2f0\uc2a4\uc5d0\uc11c \uc2a4\ud14c\uc774\ud2b8\ud480 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc2e4\ud589\ud560 \ub54c \ub178\ub4dc \ub4dc\ub808\uc778\uc744 \ub354 \uc548\uc804\ud558\uac8c \ub9cc\ub4e4\uae30 \uc704\ud574 \uc5b4\ub4dc\ubbf8\uc158 \ucee8\ud2b8\ub864\ub7ec\ub97c \uad6c\ucd95\ud55c \uc774\uc720\uc640 \ubc29\ubc95.<\/p>\n<hr \/>\n<p data-renderer-start-pos=\"124\">\ucfe0\ubc84\ub124\ud2f0\uc2a4\uc5d0\uc11c \uc2a4\ud14c\uc774\ud2b8\ud480 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc2e4\ud589\ud558\ub294 \uac83\uc774 \uc810\uc810 \ub354 \uc77c\ubc18\ud654\ub418\uace0 \uc788\uc73c\uba70, \uc774\ub7ec\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc740 \uc0ac\uc6a9\uc790 \uc815\uc758 \ub9ac\uc18c\uc2a4\uc640 \uc624\ud37c\ub808\uc774\ud130\ub97c \uc0ac\uc6a9\ud558\uc5ec \uad00\ub9ac\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 Kubernetes\uc758 \ub3d9\uc801 \ud2b9\uc131\uc73c\ub85c \uc778\ud574 \ud30c\ub4dc, \ud2b9\ud788 \uc2a4\ud14c\uc774\ud2b8\ud480 \uc6cc\ud06c\ub85c\ub4dc\uc758 \ud30c\ub4dc\ub294 \uc218\uba85\uc774 \ubcf4\uc7a5\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc720\uc9c0 \uad00\ub9ac \ub610\ub294 \ub9ac\uc18c\uc2a4 \uc555\ubc15\uacfc \uac19\uc740 \uc774\ubca4\ud2b8\ub294 \ud30c\ub4dc \ud1f4\ucd9c\uc744 \ud2b8\ub9ac\uac70\ud560 \uc218 \uc788\uc73c\uba70, \uc2e0\uc911\ud558\uac8c \ucc98\ub9ac\ud558\uc9c0 \uc54a\uc73c\uba74 \uc11c\ube44\uc2a4\uac00 \uc911\ub2e8\ub420 \uc704\ud5d8\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc774\ube44\uc81d\uc158 \ub9ac\uc2a4\ucf00\uc904 \ud6c5\uc740 \ucfe0\ubc84\ub124\ud2f0\uc2a4 \uc5b4\ub4dc\ubbf8\uc158 \ucee8\ud2b8\ub864\ub7ec\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc6b4\uc601\uc790\uac00 \uad00\ub9ac\ud558\ub294 \ud30c\ub4dc\uc5d0 \ub300\ud55c \uc774\ube44\uc81d\uc158 \uc694\uccad\uc744 \uac00\ub85c\ucc44\uace0 \uac70\ubd80\ud558\ub294 \ub3d9\uc2dc\uc5d0 \uc6b4\uc601\uc790\uc5d0\uac8c \ud30c\ub4dc\ub97c \uc774\ub3d9\ud574\uc57c \ud568\uc744 \uc54c\ub9bc\uc73c\ub85c\uc368 \uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \uac83\uc744 \ubaa9\ud45c\ub85c \ud558\ub294 \uc624\ud508\uc18c\uc2a4 \ud504\ub85c\uc81d\ud2b8\uc774\ub2e4. \uadf8 \ubaa9\ud45c\ub294 \uc11c\ube44\uc2a4 \uac00\uc6a9\uc131\uc744 \uc720\uc9c0\ud558\uace0 \ub178\ub4dc \uc720\uc9c0 \uad00\ub9ac\uc640 \uac19\uc740 \uc774\ubca4\ud2b8 \uc911\uc5d0 \uc911\ub2e8\uc744 \uc904\uc774\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<p>\uacc4\uc18d \uc77d\uc5b4\ubcf4\uc138\uc694:<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>\uc6b0\ub9ac\uac00 \ud574\uacb0\ud558\uace0 \uc788\ub294 \ubb38\uc81c<\/li>\n<li>\uae30\uc874 \uc635\uc158\uc73c\ub85c\ub294 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc740 \uc774\uc720<\/li>\n<li>\ud6c5 \ud504\ub85c\uc81d\ud2b8 \uc77c\uc815 \ubcc0\uacbd \uc18c\uac1c<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\ucfe0\ubc84\ub124\ud2f0\uc2a4\uc5d0 \uc775\uc219\ud558\ub2e4\uba74 <a href=\"https:\/\/kubernetes.io\/docs\/concepts\/extend-kubernetes\/operator\/\">\uc5f0\uc0b0\uc790<\/a>\ub178\ub4dc <a href=\"https:\/\/kubernetes.io\/docs\/tasks\/administer-cluster\/safely-drain-node\/\">\ubc30\uc218<\/a>, \uc785\uc7a5 <a href=\"https:\/\/kubernetes.io\/docs\/reference\/access-authn-authz\/admission-controllers\/\">\uc81c\uc5b4<\/a> \uc5ed\ub3d9\uc801\uc778 <a href=\"https:\/\/kubernetes.io\/docs\/reference\/access-authn-authz\/extensible-admission-controllers\/\">\uc6f9\ud6c5<\/a> \ub97c \ucc38\uace0\ud558\uc2dc\uba74 \ub3c4\uc6c0\uc774 \ub420 \uac83 \uac19\uc544\uc11c \uc8fc\uc694 \uac1c\ub150\uc5d0 \ub300\ud574 \uc124\uba85\ud574\ub4dc\ub9ac\ub824\uace0 \ud569\ub2c8\ub2e4.<span class=\"Apple-converted-space\"> \uadf8\ub9ac\uace0 <\/span><a href=\"https:\/\/www.couchbase.com\/blog\/ko\/products\/operator\/\">\uce74\uc6b0\uce58\ubca0\uc774\uc2a4<\/a> \uac04\uacb0\uc131\uc744 \uc704\ud574 \uc804\uccb4\uc5d0\uc11c \uc790\uc728 \uc6b4\uc601\uc790\ub97c \uc6b4\uc601\uc790\ub77c\uace0 \uc9c0\uce6d\ud558\uba70, \ub300\ubd80\ubd84\uc758 \uc608\uc81c\uc640 \ub370\ubaa8\uc5d0\ub294 \uc77c\uc885\uc758 \uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ub9ac\uc18c\uc2a4\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<p>\uc6d0\ub798 Couchbase \ub370\uc774\ud130 \ud50c\ub7ab\ud3fc\uc744 \uc5fc\ub450\uc5d0 \ub450\uace0 \uac1c\ubc1c\ub418\uc5c8\uc9c0\ub9cc, \uc7ac\uc2a4\ucf00\uc904 \ud6c4\ud06c \ud504\ub85c\uc81d\ud2b8\ub294 \uc720\uc5f0\ud558\uac8c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub3c4\ub85d \uace0\uc548\ub418\uc5c8\uc73c\uba70 \ub2e4\ub978 \uc6b4\uc601\uc790\uac00 \uad00\ub9ac\ud558\ub294 \uc0c1\ud0dc \uc800\uc7a5 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ubcf4\ud638\ud558\ub3c4\ub85d \uad6c\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h2 style=\"font-weight: 400;\">1\ubd80 - \uc6b4\uc601\uc790\uac00 \uad00\ub9ac\ud558\ub294 \uc2a4\ud14c\uc774\ud2b8\ud480 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ud1f4\uac70\uac00 \uc5b4\ub824\uc6b4 \uc774\uc720<\/h2>\n<h3 style=\"font-weight: 200;\">\ud30c\ub4dc \ud1f4\ucd9c\uc5d0 \ub300\ud55c \uc774\ud574<\/h3>\n<p>\ucfe0\ubc84\ub124\ud2f0\uc2a4\uc5d0\uc11c \ud30c\ub4dc\ub97c \ud1f4\ucd9c\ud558\ub824\uba74 \ud30c\ub4dc\uc758 <code>\uc0ac\uc804 \uc911\uc9c0<\/code> \ud6c5\uc744 \ubcf4\ub0b8 \ub2e4\uc74c <code>SIGTERM<\/code> \uac00 \uc644\ub8cc\ub41c \ud6c4 \uc885\ub8cc\ub429\ub2c8\ub2e4. \uc720\uc608 \uae30\uac04 \ud6c4\uc5d0\ub3c4 \ud30c\ub4dc\uac00 \uc885\ub8cc\ub418\uc9c0 \uc54a\uc73c\uba74 \ud6c4\uc18d \uc870\uce58\ub85c <code>SIGKILL<\/code>. \ud1f4\ucd9c\uc740 \ub178\ub4dc \uc555\ub825\uc5d0\uc11c \uc790\ub3d9 \ud655\uc7a5\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \ub2e4\uc591\ud55c \uc774\uc720\ub85c \uc790\ubc1c\uc801 \ub610\ub294 \ube44\uc790\ubc1c\uc801\uc73c\ub85c \ubc1c\uc0dd\ud558\uc9c0\ub9cc, \uc774 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c\ub294 \ub178\ub4dc\ub97c \ubc30\uc218\ud560 \ub54c \ud2b8\ub9ac\uac70\ub418\ub294 \uc790\ubc1c\uc801 \ud1f4\ucd9c\uc5d0 \ucd08\uc810\uc744 \ub9de\ucd94\uace0 \uc788\ub2e4. \uc774\ub294 \uc720\uc9c0 \uad00\ub9ac \ub610\ub294 \uc5c5\uadf8\ub808\uc774\ub4dc\uc640 \uac19\uc740 \uc791\uc5c5\uc744 \uc704\ud574 \uae38\uc744 \ube44\uc6b0\uae30 \uc704\ud574 \uc885\uc885 \ud544\uc694\ud55c Kubernetes Eviction API\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub178\ub4dc\uc5d0\uc11c \ud30c\ub4dc\uac00 \uc81c\uac70\ub418\ub294 \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc2e4\ud589 \uc911 <code>kubectl \ubc30\uc218<\/code> \ub294 \ucfe0\ubc84\ub124\ud2f0\uc2a4\uc5d0\uc11c \uc720\uc9c0\ubcf4\uc218\ub97c \uc704\ud574 \ub178\ub4dc\ub97c \uc900\ube44\ud558\ub294 \uc77c\ubc18\uc801\uc778 \ubc29\ubc95\uc774\ub2e4. \ub178\ub4dc\ub97c \uc2a4\ucf00\uc904\ud560 \uc218 \uc5c6\ub294 \uac83\uc73c\ub85c \ud45c\uc2dc\ud558\uace0 \ud574\ub2f9 \ub178\ub4dc\uc5d0\uc11c \uc2e4\ud589 \uc911\uc778 \ubaa8\ub4e0 \ud30c\ub4dc\uc5d0 \ub300\ud574 \ub3d9\uc2dc\uc5d0 \ud1f4\uac70 \uc694\uccad\uc744 \ubcf4\ub0c5\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-17326\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/nodedrains.png\" alt=\"\" width=\"616\" height=\"444\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/nodedrains.png 616w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/nodedrains-300x216.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/nodedrains-18x12.png 18w\" sizes=\"auto, (max-width: 616px) 100vw, 616px\" \/><\/p>\n<hr \/>\n<h3 style=\"font-weight: 200;\">\uc2a4\ud14c\uc774\ud2b8\ud480 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \uc5b4\ub824\uc6b4 \uc774\uc720<\/h3>\n<p>\uc2a4\ud14c\uc774\ud2b8\ud480 \uc6cc\ud06c\ub85c\ub4dc\ub294 \ud1f4\uac70 \ucc98\ub9ac\uc5d0 \ubcf5\uc7a1\uc131\uc744 \ub354\ud569\ub2c8\ub2e4:<\/p>\n<p style=\"padding-left: 40px;\"><strong data-renderer-mark=\"true\">\uc608\uce21\ud560 \uc218 \uc5c6\ub294 \uc885\ub8cc \uc2dc\uac04:<\/strong> \uc774\ub7ec\ud55c \uc6cc\ud06c\ub85c\ub4dc\uc5d0\ub294 \ud30c\ub4dc\ub97c \uc548\uc804\ud558\uac8c \uc885\ub8cc\ud558\uae30 \uc804\uc5d0 \uc644\ub8cc\ud574\uc57c \ud558\ub294 \ube44\ud589 \uc911 \ucffc\ub9ac\uc640 \uac19\uc740 \uc7a5\uae30 \uc2e4\ud589 \ud504\ub85c\uc138\uc2a4\uac00 \ud3ec\ud568\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p style=\"padding-left: 40px;\"><strong data-renderer-mark=\"true\">\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc870\uc815:<\/strong> \ub370\uc774\ud130 \uc77c\uad00\uc131\uacfc \uc801\uc808\ud55c \ub9ac\ubc38\ub7f0\uc2f1\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc790\uccb4\uc5d0 \ud30c\ub4dc\ub97c \uc81c\uac70\ud558\uae30 \uc804\uc5d0 \uc54c\ub9bc\uc744 \ubcf4\ub0b4\uc57c \ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n<p style=\"padding-left: 40px;\"><strong data-renderer-mark=\"true\">\uc6b4\uc601\uc790 \uad00\ub9ac:<\/strong> \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uad00\ub9ac\ud558\ub294 \uc6b4\uc601\uc790\ub294 \uc6b4\uc601\uc790\uc758 \ub0b4\ubd80 \uc0c1\ud0dc\uc640 \ud3ec\ub4dc \uc81c\uac70\ub97c \uc870\uc728\ud560 \uc2dc\uac04\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<p style=\"padding-left: 40px;\"><strong>\ubcfc\ub968 \uc774\ub3d9:<\/strong> \ud55c \ub178\ub4dc\uc5d0\uc11c \ub2e4\ub978 \ub178\ub4dc\ub85c \ucfe0\ubc84\ub124\ud2f0\uc2a4 \ubcfc\ub968\uc744 \ub9c8\uc774\uadf8\ub808\uc774\uc158\ud558\ub294 \ub370\ub294 \ud30c\ub4dc\uc758 \uc2dc\uac04\uc744 \ucd08\uacfc\ud558\ub294 \uc0c1\ub2f9\ud55c \uc2dc\uac04\uc774 \uc18c\uc694\ub420 \uc218 \uc788\ub2e4. <code>\uc885\ub8cc\uc720\uc608\uae30\uac04\ucd08<\/code><\/p>\n<p>\uc6b4\uc601\uc790\ub294 \uc0ac\uc6a9\uc790 \uc9c0\uc815 \ub9ac\uc18c\uc2a4\uc5d0 \uc815\uc758\ub41c \uc6d0\ud558\ub294 \uc0c1\ud0dc\uc640 \uc2e4\uc81c \uc0c1\ud0dc\ub97c \uc9c0\uc18d\uc801\uc73c\ub85c \uc870\uc815\ud558\uc5ec \ubcf5\uc7a1\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc218\uba85 \uc8fc\uae30\ub97c \uc790\ub3d9\ud654\ud569\ub2c8\ub2e4.<\/p>\n<p>Couchbase\ub97c \uc608\ub85c \ub4e4\uc5b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. Couchbase \ud074\ub7ec\uc2a4\ud130\ub294 \uc5ec\ub7ec \uac1c\uc758 \ud30c\ub4dc\ub85c \uad6c\uc131\ub418\uba70, \uac01 \ud30c\ub4dc\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc11c\ub85c \ub2e4\ub978 \ub178\ub4dc \ubc0f \uac00\uc6a9\uc131 \uc601\uc5ed\uc5d0 \ubd84\uc0b0\ub418\uc5b4 Couchbase Server \uc778\uc2a4\ud134\uc2a4\ub97c \uc2e4\ud589\ud569\ub2c8\ub2e4. \uc6b4\uc601\uc790\ub294 \ud074\ub7ec\uc2a4\ud130 \uc0c1\ud0dc\uac00 \uc815\uc758\ub41c \uc0c1\ud0dc\uc640 \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4. <code>\uce74\uc6b0\uce58\ubca0\uc774\uc2a4\ud074\ub7ec\uc2a4\ud130<\/code> \ub9ac\uc18c\uc2a4. \ud30c\ub4dc\ub97c \uc81c\uac70\ud574\uc57c \ud558\ub294 \uacbd\uc6b0, \uc6b4\uc601\uc790\ub294 \ud074\ub7ec\uc2a4\ud130\uc5d0 \ub370\uc774\ud130 \uade0\ud615\uc744 \uc7ac\uc870\uc815\ud558\uace0 \uc2e4\ud589 \uc911\uc778 \ubaa8\ub4e0 \ud504\ub85c\uc138\uc2a4\ub97c \uc815\uc0c1\uc801\uc73c\ub85c \ucc98\ub9ac\ud558\ub3c4\ub85d \uc54c\ub824\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h3 style=\"font-weight: 200;\">\uc870\uc9c1\uc758 \uacfc\uc81c<\/h3>\n<p>\ub610 \ub2e4\ub978 \uc77c\ubc18\uc801\uc778 \ubb38\uc81c\ub294 \ub300\uaddc\ubaa8 \uc870\uc9c1\uc5d0\uc11c \ucc45\uc784\uc774 \ubd84\ub9ac\ub418\uc5b4 \uc788\ub2e4\ub294 \uc810\uc785\ub2c8\ub2e4:<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Kubernetes \uad00\ub9ac\uc790\uac00 \uc778\ud504\ub77c \uad00\ub9ac<\/li>\n<li>\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ud300\uc740 \ud574\ub2f9 \uc778\ud504\ub77c\uc5d0\uc11c \uc2e4\ud589\ub418\ub294 \uc0c1\ud0dc \uc800\uc7a5 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uad00\ub9ac\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\uc989, Kubernetes \uad00\ub9ac\uc790\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc18c\uc720\uc790\uc640 \uc9c0\uc18d\uc801\uc73c\ub85c \uc870\uc815\ud558\uac70\ub098 \uae30\ubcf8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uac00\uc6a9\uc131 \ub610\ub294 \uc0c1\ud0dc\uc5d0 \uc601\ud5a5\uc744 \uc8fc\uc9c0 \uc54a\uace0 \uc720\uc9c0\ubcf4\uc218\ub97c \uc218\ud589\ud558\uae30 \uc704\ud574 \ub178\ub4dc\ub97c \uc548\uc804\ud558\uac8c \ubc30\ucd9c\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<hr role=\"presentation\" \/>\n<h3 style=\"font-weight: 200;\">\uae30\uc874 \ucfe0\ubc84\ub124\ud2f0\uc2a4 \ubcf4\ud638 - \ucda9\ubd84\ud558\uc9c0 \uc54a\uc740 \uc774\uc720<\/h3>\n<p>\ucfe0\ubc84\ub124\ud2f0\uc2a4\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ub3c4\uad6c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. <strong>\ud504\ub9ac\uc2a4\ud1b1 \ud6c4\ud06c<\/strong> \uadf8\ub9ac\uace0 <strong>\ud30c\ub4dc \uc911\ub2e8 \uc608\uc0b0<\/strong> \ub97c \uc0ac\uc6a9\ud558\uc5ec \ud1f4\uac70 \uc911\uc5d0\ub3c4 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc815\uc0c1\uc801\uc73c\ub85c \uc885\ub8cc\ud558\uace0 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac00\uc6a9\uc131\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>\ud504\ub9ac\uc2a4\ud1b1 \ud6c4\ud06c<\/strong> \ucee8\ud14c\uc774\ub108 \ub0b4\ubd80\uc5d0\uc11c \uc2a4\ud06c\ub9bd\ud2b8\ub97c \uc2e4\ud589\ud558\uae30 \uc804\uc5d0 <code>SIGTERM<\/code> \uc2e0\ud638\ub97c \ubcf4\ub0b4\uc11c \ud30c\ub4dc\uac00 \uc815\uc0c1\uc801\uc73c\ub85c \uc885\ub8cc\ub420 \uc218 \uc788\ub294 \uae30\ud68c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc0c1\ud0dc \ube44\uc800\uc7a5 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uacbd\uc6b0, \uc774\uac83\uc73c\ub85c \ucda9\ubd84\ud560 \ub54c\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc0c1\ud0dc \uc800\uc7a5 \uc571\uc758 \uacbd\uc6b0, \uc6b4\uc601\uc790\ub294 \uc704\uc5d0\uc11c \uc124\uba85\ud55c \ubb38\uc81c\ub97c \ud53c\ud558\uae30 \uc704\ud574 \uc885\ub8cc \uc804\uc5d0 \ud30c\ub4dc \uc81c\uac70\ub97c \uc870\uc815\ud574\uc57c \ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc73c\uba70, \uc774\ub294 preStop \ud6c5 \ub0b4\ubd80\uc5d0\uc11c \uc218\ud589\ud558\uae30 \uae4c\ub2e4\ub86d\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc6b0\ub9ac\uac00 \ubcf8 \ud55c \uac00\uc9c0 \ub3c5\ucc3d\uc801\uc778 \uc811\uadfc \ubc29\uc2dd\uc740 \uc624\ud37c\ub808\uc774\ud130\uac00 \uc0ac\uc6a9\ud558\ub294 \ud30c\ub4dc \ud15c\ud50c\ub9bf\uc5d0 preStop \uc2a4\ud06c\ub9bd\ud2b8\ub97c \ucd94\uac00\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774 \uc2a4\ud06c\ub9bd\ud2b8\ub294 \ud30c\ub4dc\uac00 \uc790\uccb4\uc801\uc73c\ub85c \uc7ac\uc2a4\ucf00\uc904 \uc5b4\ub178\ud14c\uc774\uc158(\ub098\uc911\uc5d0 \uc124\uba85)\uc744 \ucd94\uac00\ud558\uc5ec \uc6b4\uc601\uc790\uc5d0\uac8c \uc774\ub3d9\ud574\uc57c \ud568\uc744 \uc54c\ub9b0 \ub2e4\uc74c \ud074\ub7ec\uc2a4\ud130\uc5d0\uc11c \uc548\uc804\ud558\uac8c \ubc30\ucd9c\ub420 \ub54c\uae4c\uc9c0 \ubc18\ubcf5\ud558\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uc2a4\ud06c\ub9bd\ud2b8\uc758 \uae30\ubcf8 \uac1c\uc694\ub294 \uc815\ud655\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4:<\/strong><\/p>\n<pre class=\"nums:false lang:default decode:true\">preStop:\r\n  exec:\r\n    \uba85\ub839:\r\n    - \/bin\/sh\r\n      \/mnt\/kubectl annotate pod $SELF_POD_NAME cao.couchbase.com\/reschedule=true \\\\\r\n      \ub3d9\uc548 \/\uc635\ud2b8\/\uce74\uc6b0\uce58\ubca0\uc774\uc2a4\/\ube48\/\uce74\uc6b0\uce58\ubca0\uc774\uc2a4-cli \uc11c\ubc84-\ub9ac\uc2a4\ud2b8 -c \uce74\uc6b0\uce58\ubca0\uc774\uc2a4:\/\/\ub85c\uceec\ud638\uc2a4\ud2b8\\\\\r\n      do \\\\\r\n        sleep 1; \\\\\r\n      done\r\n<\/pre>\n<p>\uadf8\ub7ec\ub098 \uc774\ub97c \uc704\ud574\uc11c\ub294 \ub9c8\uc6b4\ud305\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. <code>kubectl<\/code> \uadf8\ub9ac\uace0 <code>couchbase-cli<\/code> \ub97c \uac01 \ud30c\ub4dc\uc5d0 \ucd94\uac00\ud558\uc5ec \ubcf5\uc7a1\uc131\uacfc \uc774\ubbf8\uc9c0 \ud06c\uae30\ub97c \ub298\ub9bd\ub2c8\ub2e4. \ub610\ud55c \ub124\ud2b8\uc6cc\ud0b9 \ub610\ub294 \uae30\ud0c0 \ubb38\uc81c\ub85c \uc778\ud574 \uc2a4\ud06c\ub9bd\ud2b8\uac00 \uc911\ub2e8\ub418\uc5b4 \ud30c\ub4dc\uac00 \uc870\uae30\uc5d0 \uc885\ub8cc\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>\ud30c\ub4dc \uc911\ub2e8 \uc608\uc0b0(PDB)<\/strong> \ub294 \uc790\ubc1c\uc801 \uc911\ub2e8 \uc911\uc5d0 \ucd5c\uc18c\ud55c\uc758 \ud30c\ub4dc\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \ub3d9\uc2dc\uc5d0 \uc81c\uac70\ud560 \uc218 \uc788\ub294 \ud30c\ub4dc\uc758 \uc218\ub9cc \uc81c\ud55c\ud558\uae30 \ub54c\ubb38\uc5d0 \uc6b4\uc601\uc790\uac00 \ud30c\ub4dc \uc81c\uac70\ub97c \uc6d0\ud65c\ud558\uac8c \ucc98\ub9ac\ud560 \uc218 \uc5c6\ub294 \uc2dc\ub098\ub9ac\uc624\ub97c \uc5ec\uc804\ud788 \ucc98\ub9ac\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<hr role=\"presentation\" \/>\n<h3 style=\"font-weight: 200;\">\uc624\ub298 \ud3ec\ub4dc\uac00 \ud1f4\uac70\ub418\uba74 \uc5b4\ub5bb\uac8c \ub418\ub098\uc694?<\/h3>\n<p>\uc6b4\uc601\uc790\ub294 \ud55c \ubc88\uc5d0 \ud1f4\ucd9c\ud560 \uc218 \uc788\ub294 \ud30c\ub4dc \uc218\ub97c \uc81c\ud55c\ud558\uae30 \uc704\ud574 Couchbase\uc6a9 PDB\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uac00\uc6a9\uc131\uc774 \ucd5c\uc18c \uc218\uc900\uc73c\ub85c \ubcf4\uc7a5\ub418\uc9c0\ub9cc, \ud1f4\ucd9c\ub418\ub294 \ud30c\ub4dc\ub294 \uc7a5\uc560 \uc870\uce58\ub97c \ud1b5\ud574 Couchbase \ud074\ub7ec\uc2a4\ud130\uc5d0\uc11c \uc548\uc804\ud558\uc9c0 \uc54a\uac8c \uc81c\uac70\ub429\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-17327\" style=\"border: 1px solid Gainsboro;\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/currentDrain_terminal.gif\" alt=\"\" width=\"800\" height=\"172\" \/><\/p>\n<p>\ub610\ud55c \uc6b4\uc601\uc790\uac00 \uc774 \ubb38\uc81c\ub97c \uc5b4\ub5bb\uac8c \ucc98\ub9ac\ud558\ub294\uc9c0 Couchbase \uad00\ub9ac\uc790 UI\uc5d0\uc11c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-17328\" style=\"border: 1px solid Gainsboro;\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/currentDrain_gui.gif\" alt=\"\" width=\"800\" height=\"319\" \/><\/p>\n<p>\ud55c \ubc88\uc5d0 \ud558\ub098\uc758 \ud30c\ub4dc\uc5d0\uc11c \ud1f4\ucd9c\uc774 \ubc1c\uc0dd\ud558\ub354\ub77c\ub3c4, \ud30c\ub4dc\uac00 \uc0c8 \ub178\ub4dc\uc5d0\uc11c \ub2e4\uc2dc \uc2dc\uc791\ub418\uba74, Kubernetes\ub294 \uc0c8 \ud30c\ub4dc\uac00 \uc2a4\ud14c\uc774\ud2b8\ud480 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc548\uc804\ud558\uac8c \ucd94\uac00\ub418\uae30 \uc804\uc5d0 \ub2e4\uc74c \ud30c\ub4dc\uc5d0\uc11c \ud1f4\ucd9c\uc744 \ud5c8\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. Couchbase\uc5d0\uc11c\ub294 \ud30c\ub4dc\uc758 \uc900\ube44 \uac8c\uc774\ud2b8\ub97c \ud1b5\ud574 \uc774\ub97c \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc774\ub7ec\ud55c \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 <code>cao.couchbase.com\/reschedule<\/code> \uc5b4\ub178\ud14c\uc774\uc158\uc744 \ucd94\uac00\ud588\uc2b5\ub2c8\ub2e4. \ud30c\ub4dc\uc5d0 \ucd94\uac00\ub418\uba74 \uc6b4\uc601\uc790\uc5d0\uac8c \ub2e4\uc2dc \uc0dd\uc131\ud574\uc57c \ud568\uc744 \uc54c\ub824\uc90d\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc218\ub3d9\uc73c\ub85c \ub178\ub4dc\ub97c \ucf54\ub529\ud558\uace0 \uc774 \uc5b4\ub178\ud14c\uc774\uc158\uc744 \ucd94\uac00\ud558\ub294 \uac83\uc740 \uc9c0\ub8e8\ud558\uace0 \ud655\uc7a5\uc131\uc774 \uc88b\uc9c0 \uc54a\uc73c\uba70 Couchbase \ud3ec\ub4dc\uc5d0\ub9cc \uc601\ud5a5\uc744 \ubbf8\uce58\uba70 \ub2e4\ub978 \ud3ec\ub4dc\uc5d0\ub294 \uc5ec\uc804\ud788 \uc815\uc0c1\uc801\uc778 \ub4dc\ub808\uc778\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h3 style=\"font-weight: 200;\">\uc624\ud37c\ub808\uc774\ud130 \ub0b4\ubd80\uc5d0\uc11c \uc774\ub97c \uc804\uc801\uc73c\ub85c \ucc98\ub9ac\ud558\ub294 \uac83\uc740 \uc5b4\ub5a8\uae4c\uc694?<\/h3>\n<p>\ud1f4\uac70 \uc720\ud6a8\uc131 \uac80\uc0ac \ub85c\uc9c1\uc744 \uc624\ud37c\ub808\uc774\ud130 \uc790\uccb4\uc5d0 \ub0b4\uc7a5\ud558\ub294 \uac83\uc744 \uace0\ub824\ud588\uc9c0\ub9cc:<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>\uc774\ub294 \ucfe0\ubc84\ub124\ud2f0\uc2a4 \uc624\ud37c\ub808\uc774\ud130 \uc124\uacc4\uc758 \uc548\ud2f0 \ud328\ud134\uc774\ub2e4. \uc624\ud37c\ub808\uc774\ud130\ub294 \uc5b4\ub4dc\ubbf8\uc158 \ucee8\ud2b8\ub864\ub7ec\uac00 \uc544\ub2cc \uc870\uc815 \ub8e8\ud504\ub97c \ud1b5\ud574 \uc791\uc5c5\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc6b4\uc601\uc790\uc5d0\uac8c \uc785\uc7a5 \uc81c\uc5b4 \uc5d4\ub4dc\ud3ec\uc778\ud2b8\ub97c \ucd94\uac00\ud558\uba74 \ubc30\ud3ec \ubc0f \uc720\uc9c0 \uad00\ub9ac\uac00 \ubcf5\uc7a1\ud574\uc9d1\ub2c8\ub2e4.<\/li>\n<li>\uc6f9\ud6c5 \uc720\ud6a8\uc131 \uac80\uc0ac\ub294 \ud074\ub7ec\uc2a4\ud130 \ubc94\uc704\uc758 \ub9ac\uc18c\uc2a4\uc774\ubbc0\ub85c \ud074\ub7ec\uc2a4\ud130 \ubc94\uc704\uc758 \uad8c\ud55c\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc624\ud37c\ub808\uc774\ud130\ub294 \ub124\uc784\uc2a4\ud398\uc774\uc2a4 \ubc94\uc704\uac00 \uc9c0\uc815\ub418\uc5b4 \uc788\uc73c\ubbc0\ub85c \ud544\uc694\ud55c \uad8c\ud55c\uc744 \ud06c\uac8c \ud655\uc7a5\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li>\uc774 \ub85c\uc9c1\uc744 \uc790\uccb4 \ud504\ub85c\uc81d\ud2b8\uc5d0 \uad6c\ucd95\ud558\uba74 \uc624\ud508 \uc18c\uc2f1\uc774 \uac00\ub2a5\ud558\uace0 \uc720\uc0ac\ud55c \uc0ac\uc6a9 \uc0ac\ub840\uc5d0 \ub300\ud55c \ucee4\ubba4\ub2c8\ud2f0 \uae30\uc5ec\ub97c \uc720\ub3c4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr role=\"presentation\" \/>\n<h2 style=\"font-weight: 400;\">2\ubd80 - \uc9c0\ub2a5\uc801\uc778 \ud30c\ub4dc \ud1f4\uac70\ub97c \uc704\ud55c Kubernetes \uc6f9\ud6c5 \ud65c\uc6a9\ud558\uae30<\/h2>\n<p>\uc5d0\ube44\uc158 \ub9ac\uc2a4\ucf00\uc904 \ud6c5\uc740 1\ubd80\uc5d0\uc11c \uc124\uba85\ud55c \ubb38\uc81c\ub97c \ud53c\ud558\uae30 \uc704\ud574 \ub178\ub4dc \ub4dc\ub798\uadf8 \uc911\uc5d0 \uc5d0\ube44\uc158\uc774 \ucc98\ub9ac\ub418\ub294 \ubc29\uc2dd\uc744 \uac1c\uc120\ud558\ub3c4\ub85d \uc124\uacc4\ub41c \uc624\ud508\uc18c\uc2a4 \ucfe0\ubc84\ub124\ud2f0\uc2a4 \uc5b4\ub4dc\ubbf8\uc158 \ucee8\ud2b8\ub864\ub7ec\uc774\ub2e4. \uc624\ud37c\ub808\uc774\ud130\uc640 \ud568\uaed8 \uc791\ub3d9\ud558\uba70, \ud1f4\ucd9c \uc694\uccad\uc774 \ud30c\ub4dc\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc804\uc5d0 \uac00\ub85c\ucc44\uc11c \ud30c\ub4dc \uc2a4\ucf00\uc904\ub9c1\uc744 \uc790\ub3d9\ud654\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc694\uccad\uc740 \uc5ec\uc804\ud788 \ud45c\uc900\uc744 \ud5c8\uc6a9\ud558\ub294 \ubc29\uc2dd\uc73c\ub85c \uc120\ud0dd\uc801\uc73c\ub85c \uac70\ubd80\ub429\ub2c8\ub2e4. <code>kubectl \ubc30\uc218<\/code> \uba85\ub839\uc774 \uc608\uc0c1\ub300\ub85c \uc791\ub3d9\ud558\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n<p>\uc5b4\ub4dc\ubbf8\uc158 \ucee8\ud2b8\ub864\ub7ec\ub294 \ud30c\ub4dc\ub97c \uc989\uc2dc \uc885\ub8cc\ud558\uac70\ub098 PDB(\ud30c\ub4dc \uc911\ub2e8 \uc608\uc0b0) \ud55c\ub3c4\ub97c \ud14c\uc2a4\ud2b8\ud558\ub294 \ub300\uc2e0, \uc6b4\uc601\uc790\uc5d0\uac8c \ud30c\ub4dc\ub97c \uc774\ub3d9\ud574\uc57c \ud568\uc744 \uc54c\ub9b0\ub2e4. <code>cao.couchbase.com\/reschedule<\/code> \uc5b4\ub178\ud14c\uc774\uc158.<\/p>\n<hr \/>\n<h3 style=\"font-weight: 200;\">\uc785\uc7a5 \uad00\ub9ac \uc774\ud574<\/h3>\n<p>\uc5b4\ub4dc\ubbf8\uc158 \uc81c\uc5b4\ub294 \uc694\uccad\uc774 \uc778\uc99d\ub418\uace0 \uad8c\ud55c\uc774 \ubd80\uc5ec\ub41c \ud6c4 \ud074\ub7ec\uc2a4\ud130\uc5d0 \uc9c0\uc18d\ub418\uae30 \uc804\uc5d0 \ubc1c\uc0dd\ud558\ub294 \ucfe0\ubc84\ub124\ud2f0\uc2a4 API \uc694\uccad \ub77c\uc774\ud504\uc0ac\uc774\ud074\uc758 \ud575\uc2ec \ub2e8\uacc4\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc785\uc7a5 \ucee8\ud2b8\ub864\ub7ec\ub294 \uc0ac\uc6a9\uc790 \uc9c0\uc815 \ub85c\uc9c1\uc5d0 \ub530\ub77c \uc774\ub7ec\ud55c \uc694\uccad\uc758 \uc720\ud6a8\uc131\uc744 \uac80\uc0ac\ud558\uac70\ub098 \ubcc0\uacbd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-17329\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/nodeDrains_webhook.png\" alt=\"\" width=\"516\" height=\"296\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/nodeDrains_webhook.png 516w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/nodeDrains_webhook-300x172.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/nodeDrains_webhook-18x10.png 18w\" sizes=\"auto, (max-width: 516px) 100vw, 516px\" \/><\/p>\n<p>\ucfe0\ubc84\ub124\ud2f0\uc2a4\uc5d0\uc11c \ub178\ub4dc\uac00 \ub4dc\ub798\uadf8\ub418\uba74, \ud30c\ub4dc \ud1f4\ucd9c\uc744 \uc2dc\ub3c4\ud560 \ub54c\ub9c8\ub2e4 <code>\ub9cc\ub4e4\uae30<\/code> \uc694\uccad\uc5d0 \ub300\ud55c <code>\ud3ec\ub4dc\/\ud1f4\uac70<\/code> \ud558\uc704 \ub9ac\uc18c\uc2a4. \ubc14\ub85c \uc774 \ubd80\ubd84\uc5d0\uc11c \uc5b4\ub4dc\ubbf8\uc158 \ucee8\ud2b8\ub864\ub7ec\uac00 \uc791\ub3d9\ud569\ub2c8\ub2e4. \uc774 \ucee8\ud2b8\ub864\ub7ec\ub294 \uc774\ub7ec\ud55c \ud1f4\uac70 \uc694\uccad\uc774 \ud30c\ub4dc\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc804\uc5d0 \uac00\ub85c\ucc44\uc11c \ud5c8\uc6a9 \uc5ec\ubd80\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4. \uc6b0\ub9ac\uc758 \uacbd\uc6b0, \uc5b4\ub4dc\ubbf8\uc158 \ub85c\uc9c1\uc5d0\ub294 \uc7ac\uc2a4\ucf00\uc904 \uc5b4\ub178\ud14c\uc774\uc158\uc744 \ucd94\uac00\ud558\uc5ec \uc6b4\uc601\uc790\uc5d0\uac8c \ud30c\ub4dc\uac00 \uc548\uc804\ud558\uac8c \uc7ac\uc2a4\ucf00\uc904\ub418\uc5b4\uc57c \ud55c\ub2e4\ub294 \uc2e0\ud638\ub97c \ubcf4\ub0b4\ub294 \uac83\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<p>\uc800\ud76c\uc758 \uc8fc\uc694 \ubaa9\ud45c\ub294 \ud1f4\uac70 \uc694\uccad\uc774 \ud5c8\uc6a9\ub418\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud3c9\uac00\ud558\ub294 \uac83\uc774\uae30 \ub54c\ubb38\uc5d0 \ubcc0\uc774 \uc6f9\ud6c4\ud06c\uac00 \uc544\ub2cc \uc720\ud6a8\uc131 \uac80\uc0ac \uc6f9\ud6c4\ud06c\ub97c \uc0ac\uc6a9\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uacb0\uc815 \uacfc\uc815\uc758 \uc77c\ubd80\ub85c \ud30c\ub4dc\uc5d0 \uc8fc\uc11d\uc744 \ub2ec \uc218\ub294 \uc788\uc9c0\ub9cc, \uc6f9\ud6c5 \uc790\uccb4\ub294 \ud1f4\uac70 \uc694\uccad\uc5d0 \ub300\ud574 \ubcc0\uc774\uac00 \uc544\ub2cc \uc720\ud6a8\uc131 \uac80\uc0ac\ub97c \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h3 style=\"font-weight: 200;\">\ub178\ub4dc \ub4dc\ub808\uc778 \ucc98\ub9ac<\/h3>\n<p>\uc774 \uae00\uc758 \uc81c\ubaa9\uc5d0\uc11c \uc54c \uc218 \uc788\ub4ef\uc774, \uc774 \ud504\ub85c\uc81d\ud2b8\uc758 \uc8fc\uc694 \ubaa9\ud45c\ub294 \ub178\ub4dc \ub4dc\ub808\uc778\uc744 \uc6d0\ud65c\ud558\uac8c \ucc98\ub9ac\ud560 \uc218 \uc788\ub3c4\ub85d \ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \ud1f4\uac70 \uc77c\uc815 \uc7ac\uc870\uc815 \ud6c5\uc774 \uc801\uc6a9\ub418\uba74 \ud45c\uc900 \ub178\ub4dc \ub4dc\ub808\uc778 \ud750\ub984\uc774 \uc218\uc815\ub418\uc5b4 \ubcf4\ub2e4 \uc548\uc804\ud55c \ud30c\ub4dc \ub9c8\uc774\uadf8\ub808\uc774\uc158\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-17330\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/nodeDrains_advanced-1024x486.png\" alt=\"\" width=\"900\" height=\"427\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/nodeDrains_advanced-1024x486.png 1024w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/nodeDrains_advanced-300x142.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/nodeDrains_advanced-768x364.png 768w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/nodeDrains_advanced-18x9.png 18w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/nodeDrains_advanced.png 1096w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/p>\n<p>\ud1f4\uac70 \uc694\uccad\uc740 <code>\uc0ac\uc804 \uc911\uc9c0<\/code> \ud6c5\uc774 \uc2e4\ud589\ub41c\ub2e4. \ud30c\ub4dc\uac00 \uc885\ub8cc\ub418\ub294 \ub300\uc2e0, \ud1f4\uac70 \uc694\uccad\uc774 \uac70\ubd80\ub418\uace0 \ud30c\ub4dc\uc5d0 \uc5b4\ub178\ud14c\uc774\uc158\uc774 \ucd94\uac00\ub41c\ub2e4. \uc624\ud37c\ub808\uc774\ud130\ub294 \uac01 \uc7ac\uc870\uc815 \ub8e8\ud504 \ub3d9\uc548 \uc2a4\ucf00\uc904 \uc7ac\uc870\uc815 \uc5b4\ub178\ud14c\uc774\uc158\uc744 \ud655\uc778\ud55c\ub2e4. \uc5b4\ub178\ud14c\uc774\uc158\uc774 \ub098\ud0c0\ub098\uba74 \ud30c\ub4dc \uc7ac\uc0dd\uc131\uc744 \uc548\uc804\ud558\uac8c \ucc98\ub9ac\ud55c\ub2e4.<\/p>\n<p>\ub178\ub4dc\ub97c \ubc30\uc218\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \uc624\uc5fc\ub429\ub2c8\ub2e4. <code>node.kubernetes.io\/unschedulable<\/code>\uc758 \uc2a4\ucf00\uc904\ub9c1 \uc694\uad6c \uc0ac\ud56d\uacfc \uc77c\uce58\ud558\ub294 \ub2e4\ub978 \ub178\ub4dc\uac00 \ucfe0\ubc84\ub124\ud2f0\uc2a4 \ud074\ub7ec\uc2a4\ud130\uc5d0 \uc788\ub2e4\uace0 \uac00\uc815\ud558\uba74, \uc624\ud37c\ub808\uc774\ud130\uac00 \uc0c8 \ud30c\ub4dc\ub97c \uc0dd\uc131\ud560 \ub54c \ub2e4\ub978 \ub178\ub4dc\uc5d0 \uc874\uc7ac\ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc911\uc694\ud55c \uac83\uc740, \uc5b4\ub4dc\ubbf8\uc158 \ucee8\ud2b8\ub864\ub7ec\uac00 \uad00\ub828 \ud30c\ub4dc\ub9cc \uc120\ud0dd\uc801\uc73c\ub85c \ud544\ud130\ub9c1\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\ub2e4\ub294 \uc810\uc785\ub2c8\ub2e4. \ub178\ub4dc\uc758 \ub2e4\ub978 \ubaa8\ub4e0 \uc6cc\ud06c\ub85c\ub4dc\ub294 \uae30\ubcf8 \ud1f4\ucd9c \ud504\ub85c\uc138\uc2a4\ub97c \uacc4\uc18d \ub530\ub985\ub2c8\ub2e4.<\/p>\n<hr \/>\n<h3 style=\"font-weight: 200;\">Kubectl\ub85c \uc791\uc5c5\ud558\uae30<\/h3>\n<p>\ub2e4\uc74c\uacfc \uc6d0\ud65c\ud558\uac8c \ud1b5\ud569\ud558\ub824\uba74 <code>kubectl<\/code>\ub97c \uc2e4\ud589\ud560 \ub54c \ub0b4\ubd80\uc5d0\uc11c \uc5b4\ub5a4 \uc77c\uc774 \ubc1c\uc0dd\ud558\ub294\uc9c0 \uc774\ud574\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. <code>kubectl \ubc30\uc218<\/code>. \ub97c \ubcf4\uba74 <code>drain.go<\/code> <a href=\"https:\/\/github.com\/kubernetes\/kubectl\/blob\/master\/pkg\/cmd\/drain\/drain.go\">\ucd9c\ucc98<\/a>\ub97c \uc0ac\uc6a9\ud558\uba74 \ub178\ub4dc\uac00 \ucf54\ub529\ub41c \ud6c4 \ud574\ub2f9 \ub178\ub4dc\uc758 \uac01 \ud30c\ub4dc\uc5d0 \ub300\ud574 \ubcc4\ub3c4\uc758 \uace0\ub8e8\ud2f4\uc774 \uc0dd\uc131\ub418\uc5b4 \ud1f4\uac70\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-17331\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-1024x375.png\" alt=\"\" width=\"900\" height=\"330\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-1024x375.png 1024w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-300x110.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-768x281.png 768w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-1536x562.png 1536w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-18x7.png 18w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-1320x483.png 1320w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain.png 1912w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/p>\n<p>\uc5ec\ubd80 <code>kubectl<\/code> \uac00 \ud30c\ub4dc \ud1f4\ucd9c\uc744 \uacc4\uc18d \uc2dc\ub3c4\ud558\ub294\uc9c0\ub294 \uc5b4\ub4dc\ubbf8\uc158 \ucee8\ud2b8\ub864\ub7ec\uc758 \uc751\ub2f5\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c4\ub2e4. \ud1f4\ucd9c \uc694\uccad\uc774 \uc131\uacf5\ud558\uba74(\uc989, \uc5d0\ub7ec\uac00 \ubc18\ud658\ub418\uc9c0 \uc54a\uc73c\uba74) \ud1f4\ucd9c \uc694\uccad\uc774 \uc804\uc1a1\ub418\ub294 \ub8e8\ud504\uac00 \uc885\ub8cc\ub429\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ud6c4\uc18d \ud655\uc778\uc774 \uc774\ub8e8\uc5b4\uc9c4\ub2e4. <code>kubectl<\/code> \ub294 \ud30c\ub4dc\uac00 \uc0ad\uc81c\ub420 \ub54c\uae4c\uc9c0 \uae30\ub2e4\ub9bd\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc6b4\uc601\uc790 \uad00\ub9ac\ud615 \ud30c\ub4dc\uc758 \uacbd\uc6b0, \uc6b0\ub9ac\ub294 <code>kubectl<\/code> \ub97c \uc0ac\uc6a9\ud558\uc5ec \uc548\uc804\ud558\uac8c \uc77c\uc815\uc774 \ubcc0\uacbd\ub420 \ub54c\uae4c\uc9c0 \uacc4\uc18d \uc7ac\uc2dc\ub3c4\ud558\uba70, \uc774 \uc2dc\uc810\uc5d0\uc11c\ub294 \ucd94\uac00 \ud655\uc778 \uc804\uc5d0 \uace0\ub8e8\ud2f4\uc744 \uc885\ub8cc\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\uc124\uacc4\uc0c1, <code>kubectl<\/code> \ub97c <code>429 \ub108\ubb34 \ub9ce\uc740 \uc694\uccad<\/code> \uc751\ub2f5\uc744 \uace0\ub8e8\ud2f4\uc5d0\uc11c \ud1f4\uac70 \uc694\uccad\uc5d0 \ub300\ud55c \uc2e0\ud638\ub85c 5\ucd08 \ub3d9\uc548 \uc77c\uc2dc \uc911\uc9c0\ud55c \ud6c4 \uc7ac\uc2dc\ub3c4\ud569\ub2c8\ub2e4. \uc5b4\ub4dc\ubbf8\uc158 \ucee8\ud2b8\ub864\ub7ec\uc5d0\uc11c \uc774 \ub3d9\uc791\uc744 \ud65c\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud30c\ub4dc \uc120\ud0dd \ub85c\uc9c1 \uc774\ud6c4, \ud30c\ub4dc \uc120\ud0dd \ub85c\uc9c1\uc774 \ub05d\ub098\uba74 <code>429<\/code> \uc0c1\ud0dc\ub294 \uc77c\uc815 \ubcc0\uacbd\uc744 \uc704\ud574 \uc8fc\uc11d\uc744 \ub2ec\uac70\ub098 \uc774\ubbf8 \uc8fc\uc11d\uc744 \ub2ec\uace0 \uc774\ub3d9\uc744 \uae30\ub2e4\ub9ac\uace0 \uc788\ub294 \uacbd\uc6b0\uc785\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-17332\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-2-1024x233.png\" alt=\"\" width=\"900\" height=\"205\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-2-1024x233.png 1024w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-2-300x68.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-2-768x175.png 768w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-2-1536x349.png 1536w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-2-18x4.png 18w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-2-1320x300.png 1320w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-2.png 1540w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/p>\n<p data-renderer-start-pos=\"11160\">\ud30c\ub4dc\uac00 \uc131\uacf5\uc801\uc73c\ub85c \uc77c\uc815\uc774 \ubcc0\uacbd\ub41c \ud6c4\uc5d0\ub294 \ub2e4\ub978 \uc774\ub984\uc744 \uac16\uac8c \ub418\ubbc0\ub85c \uc5b4\ub4dc\ubbf8\uc158 \ucee8\ud2b8\ub864\ub7ec\uac00 \ub354 \uc774\uc0c1 \uc774\ub984\uacfc \ub124\uc784\uc2a4\ud398\uc774\uc2a4\ub85c \ucc3e\uc744 \uc218 \uc5c6\uac8c \ub429\ub2c8\ub2e4. \uc774 \uc2dc\uc810\uc5d0\uc11c, \uc6b0\ub9ac\ub294 <code>404 \ucc3e\uc744 \uc218 \uc5c6\uc74c<\/code> \uc751\ub2f5\uc744 \ud638\ucd9c\ud558\uc5ec \uace0\ub8e8\ud2f4\uc744 \uc885\ub8cc\ud569\ub2c8\ub2e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-17333\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-3-1024x266.png\" alt=\"\" width=\"900\" height=\"234\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-3-1024x266.png 1024w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-3-300x78.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-3-768x199.png 768w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-3-18x5.png 18w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-3-1320x342.png 1320w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/kubectl-drain-3.png 1342w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/p>\n<hr \/>\n<h3 style=\"font-weight: 200;\">\uc778-\ud50c\ub808\uc774\uc2a4 \ud3ec\ub4dc \uc77c\uc815 \ubcc0\uacbd<\/h3>\n<p>\uacbd\uc6b0\uc5d0 \ub530\ub77c \uc6b4\uc601\uc790\uac00 \ub3d9\uc77c\ud55c \uc774\ub984\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud30c\ub4dc\ub97c \uc0ad\uc81c\ud558\uace0 \ub2e4\uc2dc \uc0dd\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uce74\uc6b0\uce58\ubca0\uc774\uc2a4\uc5d0\uc11c\ub294 <code>\uc5c5\uadf8\ub808\uc774\ub4dc \ud504\ub85c\uc138\uc2a4<\/code> \ud544\ub4dc\uc5d0 <code>\uce74\uc6b0\uce58\ubca0\uc774\uc2a4\ud074\ub7ec\uc2a4\ud130<\/code> \ub97c \ub2e4\uc74c\uacfc \uac19\uc774 \ubcc0\uacbd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/docs.couchbase.com\/operator\/current\/resource\/couchbasecluster.html#couchbaseclusters-spec-upgradeprocess\">\uc81c\uc5b4<\/a> \uc624\ud37c\ub808\uc774\ud130\uac00 \ud30c\ub4dc\ub97c \uad50\uccb4\ud558\ub294 \ubc29\ubc95. \uae30\ubcf8\uac12\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4. <strong>\uc2a4\uc651 \ub9ac\ubc38\ub7f0\uc2f1<\/strong>\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc6b4\uc601\uc790\uc5d0\uac8c \ub2e4\ub978 \uc774\ub984\uc758 \uc0c8 \ud30c\ub4dc\ub97c \uc0dd\uc131\ud558\uace0 \ud074\ub7ec\uc2a4\ud130\uc5d0 \uc7ac\ubc38\ub7f0\uc2f1\ud55c \ub2e4\uc74c \uc774\uc804 \ud30c\ub4dc\ub97c \uc0ad\uc81c\ud558\ub3c4\ub85d \uc9c0\uc2dc\ud569\ub2c8\ub2e4. <strong data-renderer-mark=\"true\">\uc778\ud50c\ub808\uc774\uc2a4\uc5c5\uadf8\ub808\uc774\ub4dc<\/strong> \ub294 \ub354 \ube60\ub974\uc9c0\ub9cc \ub35c \uc720\uc5f0\ud55c \ub300\uc548\uc73c\ub85c, \uc6b4\uc601\uc790\uac00 \ud30c\ub4dc\ub97c \uc0ad\uc81c\ud558\uace0 \ub3d9\uc77c\ud55c \uc774\ub984\uc73c\ub85c \ub2e4\uc2dc \uc0dd\uc131\ud558\uc5ec \uae30\uc874 \ubcfc\ub968\uc744 \uc7ac\uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 \uc5b4\ub4dc\ubbf8\uc158 \ucee8\ud2b8\ub864\ub7ec\uc5d0 \ubb38\uc81c\uac00 \uc0dd\uae41\ub2c8\ub2e4.<\/p>\n<p>\uace0\ub8e8\ud2f4\uc774 \ubcf4\ub0b8 \ud1f4\uac70 \uc694\uccad\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <code>kubectl<\/code> \uc5d0\ub294 \ud30c\ub4dc\uc758 \uc774\ub984\uacfc \ub124\uc784\uc2a4\ud398\uc774\uc2a4\ub9cc \ud3ec\ud568\ub41c\ub2e4. \uc774\ub7ec\ud55c \uc81c\ud55c\ub41c \ucee8\ud14d\uc2a4\ud2b8 \ub54c\ubb38\uc5d0, \uc5b4\ub4dc\ubbf8\uc158 \ucee8\ud2b8\ub864\ub7ec\ub294 \uc2a4\ucf00\uc904 \uc7ac\uc870\uc815 \uc5b4\ub178\ud14c\uc774\uc158\uc774 \uc5c6\ub294 \ud30c\ub4dc\ub97c \uc774\ub3d9\ud574\uc57c \ud55c\ub2e4\uace0 \uac00\uc815\ud560 \uc218 \uc5c6\uc73c\uba70, \ub2e8\uc21c\ud788 \uc774\ubbf8 \uc2a4\ucf00\uc904\uc774 \uc7ac\uc870\uc815\ub41c \ud30c\ub4dc\uc758 \uc0c8\ub85c \uc0dd\uc131\ub41c \uc778\uc2a4\ud134\uc2a4\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc774\ub97c \ucc98\ub9ac\ud558\uae30 \uc704\ud574 \uc5b4\ub4dc\ubbf8\uc158 \ucee8\ud2b8\ub864\ub7ec\ub294 \ud30c\ub4dc\uac00 \ub3d9\uc77c\ud55c \uc774\ub984\uc73c\ub85c \uc2a4\ucf00\uc904\uc774 \ubcc0\uacbd\ub420 \ub54c \uc0ac\uc6a9\ub418\ub294 \uacbd\ub7c9 \ucd94\uc801 \uba54\ucee4\ub2c8\uc998\uc744 \uc720\uc9c0\ud55c\ub2e4. \uc77c\uc815 \ubcc0\uacbd\uc744 \uc704\ud574 \ud30c\ub4dc\uc5d0 \uc5b4\ub178\ud14c\uc774\uc158\uc774 \ucd94\uac00\ub418\uba74, \ucd94\uc801 \ub9ac\uc18c\uc2a4\ub77c\ub294 \uc774\ub984\uc758 \ub2e4\ub978 \ub9ac\uc18c\uc2a4\uc5d0\ub3c4 \uc5b4\ub178\ud14c\uc774\uc158\uc774 \ucd94\uac00\ub41c\ub2e4. <code>reschedule.hook\/. \ud0a4<\/code>.<\/p>\n<p>\uc2a4\ucf00\uc904 \uc7ac\uc870\uc815 \uc5b4\ub178\ud14c\uc774\uc158\uc774 \uc5c6\ub294 \ud30c\ub4dc\uc5d0 \ub300\ud55c \ud6c4\uc18d \ud1f4\uac70 \uc694\uccad\uc744 \uac00\ub85c\ucc44\uba74, \ucd94\uc801 \ub9ac\uc18c\uc2a4\uc5d0 \uc774 \uc5b4\ub178\ud14c\uc774\uc158\uc774 \uc788\uc73c\uba74 \ud574\ub2f9 \ud30c\ub4dc\uac00 \uc774\ubbf8 \uc2a4\ucf00\uc904\uc774 \uc7ac\uc870\uc815\ub418\uc5c8\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774 \uacbd\uc6b0, \uc6f9\ud6c5\uc740 \ud574\ub2f9 \ud30c\ub4dc\uc758 \ucd94\uc801 \uc5b4\ub178\ud14c\uc774\uc158\uc744 \uc815\ub9ac\ud55c \ub2e4\uc74c <code>404 \ucc3e\uc744 \uc218 \uc5c6\uc74c<\/code> \uc751\ub2f5\uc744 \ud638\ucd9c\ud558\uc5ec \uace0\ub8e8\ud2f4\uc744 \uc885\ub8cc\ud569\ub2c8\ub2e4.<\/p>\n<p>\ucd94\uc801 \ub9ac\uc18c\uc2a4 \uc720\ud615\uc740 \uae30\ubcf8\uc801\uc73c\ub85c <code>\uce74\uc6b0\uce58\ubca0\uc774\uc2a4\ud074\ub7ec\uc2a4\ud130<\/code>\uc6f9\ud6c5\uc740 \ub610\ud55c \ud30c\ub4dc\uc758 <code>\ub124\uc784\uc2a4\ud398\uc774\uc2a4<\/code>. \ub3d9\uc77c\ud55c \uc774\ub984\uc73c\ub85c \ud30c\ub4dc\ub97c \ub2e4\uc2dc \uc608\uc57d\ud558\uc9c0 \uc54a\uc744 \uacbd\uc6b0 \uc774 \uae30\ub2a5\uc744 \ube44\ud65c\uc131\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<hr role=\"presentation\" \/>\n<h3 style=\"font-weight: 200;\">\ud1f4\uac70 \uc77c\uc815 \ubcc0\uacbd \ud6c5 \uc2e4\ud589<\/h3>\n<p>\ud1f4\uac70 \uc77c\uc815 \ubcc0\uacbd \ud6c5\uacfc \uadf8 \uc9c0\uc6d0 \uad6c\uc131 \uc694\uc18c\ub97c \ubc30\ud3ec\ud558\ub294 \ubc29\ubc95\uc740 \uac04\ub2e8\ud569\ub2c8\ub2e4. \ud1f4\uac70 \uc77c\uc815 \ubcc0\uacbd\uc744 \uc704\ud55c <a href=\"https:\/\/github.com\/couchbaselabs\/eviction-reschedule-hook\/blob\/master\/README.md\" data-renderer-mark=\"true\">README<\/a> \ub294 \uc774\ubbf8\uc9c0 \ube4c\ub4dc \ubc0f \uc804\uccb4 \uc2a4\ud0dd \ubc30\ud3ec\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \uc9c0\uce68\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc77c\uc815 \ubcc0\uacbd \ud6c5\uc744 \uad6c\uc131\ud558\ub294 \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<p style=\"padding-left: 40px;\"><strong>\uc6f9\ud6c5 \uad6c\uc131 \uc720\ud6a8\uc131 \uac80\uc0ac: <\/strong>\ucfe0\ubc84\ub124\ud2f0\uc2a4 API \uc11c\ubc84\uc5d0 \ud3ec\uc6cc\ub529\uc744 \uc9c0\uc2dc\ud55c\ub2e4. <code>\ub9cc\ub4e4\uae30<\/code> \uc694\uccad\uc5d0 \ub300\ud55c <code>\ud3ec\ub4dc\/\ud1f4\uac70<\/code> \uc6f9\ud6c5 \uc11c\ube44\uc2a4\uc5d0 \ub300\ud55c \ud558\uc704 \ub9ac\uc18c\uc2a4<\/p>\n<p style=\"padding-left: 40px;\"><strong>\uc11c\ube44\uc2a4: <\/strong>\ub4e4\uc5b4\uc624\ub294 \uc6f9\ud6c5 \uc694\uccad\uc744 \uc785\uc7a5 \ucee8\ud2b8\ub864\ub7ec \ud3ec\ub4dc\ub85c \ub77c\uc6b0\ud305\ud569\ub2c8\ub2e4.<\/p>\n<p style=\"padding-left: 40px;\"><strong>\uc785\uc7a5 \ucee8\ud2b8\ub864\ub7ec: <\/strong>\uc77c\ubc18\uc801\uc73c\ub85c \ucfe0\ubc84\ub124\ud2f0\uc2a4 \ubc30\ud3ec\ub85c \ubc30\ud3ec\ub418\ub294 \ucee8\ud14c\uc774\ub108 \ub0b4\uc5d0\uc11c \uc2a4\ucf00\uc904 \uc7ac\uc870\uc815 \ud6c5\uc744 \uc2e4\ud589\ud569\ub2c8\ub2e4.<\/p>\n<p style=\"padding-left: 40px;\"><strong>\uc11c\ube44\uc2a4 \uacc4\uc815, \ud074\ub7ec\uc2a4\ud130 \uc5ed\ud560 \ubc0f \ud074\ub7ec\uc2a4\ud130 \uc5ed\ud560 \ubc14\uc778\ub529: <\/strong>\uc774\ub97c \ud1b5\ud574 \uc785\ud559 \uad00\ub9ac\uc790\uc5d0\uac8c \ud544\uc694\ud55c \uad8c\ud55c\uc744 \ubd80\uc5ec\ud569\ub2c8\ub2e4. \ucd5c\uc18c\ud55c, <code>get<\/code> \uadf8\ub9ac\uace0 <code>\ud328\uce58<\/code> \ud30c\ub4dc\uc5d0 \ub300\ud55c \uad8c\ud55c\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \ucd94\uc801 \ub9ac\uc18c\uc2a4\ub97c \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0, <code>get<\/code> \uadf8\ub9ac\uace0 <code>\ud328\uce58<\/code> \ucd94\uc801 \ub9ac\uc18c\uc2a4\uc5d0 \ub300\ud55c \uad8c\ud55c\ub3c4 \ucd94\uac00\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\uc77c\ub2e8 \ubc30\ud3ec\ub418\uba74, Couchbase \ud30c\ub4dc\uac00 \uc0c1\uc8fc\ud558\ub294 \ub178\ub4dc\ub97c \ubc30\uc218\ud558\uba74 \uc6b4\uc601\uc790\uac00 \uc548\uc804\ud558\uac8c \ud30c\ub4dc\ub97c \ud074\ub7ec\uc2a4\ud130\uc5d0 \ub2e4\uc2dc \uc0dd\uc131\ud558\uace0 \uade0\ud615\uc744 \ub9de\ucd9c \ub54c\uae4c\uc9c0 \ub9ac\uc2a4\ucf00\uc904 \ud6c5\uc774 \ud1f4\uac70 \uc694\uccad\uc744 \uac00\ub85c\ucc44\uace0 \uac70\ubd80\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-17334\" style=\"border: 1px solid Gainsboro;\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/safeDrain_terminal.gif\" alt=\"\" width=\"800\" height=\"163\" \/><\/p>\n<p>\ud1f4\uac70 \uc694\uccad\uc744 \uc815\uc0c1\uc801\uc73c\ub85c \ucc98\ub9ac\ud558\ub294 \uac83\uc740 \uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uad00\ub9ac\uc790 UI\uc5d0\uc11c\ub3c4 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud30c\ub4dc\ub294 \ub354 \uc774\uc0c1 \ud398\uc77c\uc624\ubc84\ub418\uc9c0 \uc54a\uace0 \ub300\uc2e0 \ub2e4\uc6b4\ud0c0\uc784 \uc5c6\uc774 \ub300\uccb4\ub429\ub2c8\ub2e4:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-17335\" style=\"border: 1px solid Gainsboro;\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/safeDrain_gui.gif\" alt=\"\" width=\"800\" height=\"225\" \/><\/p>\n<hr \/>\n<h3 style=\"font-weight: 200;\">\uc0ac\uc6a9\ud574 \ubcf4\uace0 \ucc38\uc5ec\ud558\uc138\uc694<\/h3>\n<p>\ud1f4\uac70 \ub9ac\uc2a4\ucf00\uc904 \ud6c5\uc740 \ucfe0\ubc84\ub124\ud2f0\uc2a4\uc5d0\uc11c \uc2e4\ud589\ub418\ub294 \uc0c1\ud0dc \uc800\uc7a5 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ub178\ub4dc \ub4dc\ub808\uc778\uc744 \ubcf4\ub2e4 \uc548\uc804\ud558\uace0 \uc608\uce21 \uac00\ub2a5\ud558\uac8c \ub9cc\ub4e0\ub2e4. \uc624\ud37c\ub808\uc774\ud130\uc640 \ud568\uaed8 \ud1f4\uac70 \ucc98\ub9ac\ub97c \uc870\uc815\ud568\uc73c\ub85c\uc368, \uae30\ubcf8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc911\ub2e8\ud558\uc9c0 \uc54a\uace0 \uc6b0\uc544\ud558\uac8c \uc77c\uc815\uc744 \uc7ac\uc870\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc774 \ud504\ub85c\uc81d\ud2b8\ub294 \uc624\ud508 \uc18c\uc2a4\uc785\ub2c8\ub2e4. \ud504\ub85c\uc81d\ud2b8\uc758 <a href=\"https:\/\/github.com\/couchbaselabs\/eviction-reschedule-hook\" data-renderer-mark=\"true\">\uc800\uc7a5\uc18c<\/a> \uc5d0\uc11c \uc2dc\uc791\ud558\uc5ec \uc2dc\uc791\ud558\uace0 <a href=\"https:\/\/github.com\/couchbaselabs\/eviction-reschedule-hook\/blob\/master\/CONTRIBUTE.md\">\uae30\uc5ec<\/a> \uac00\uc774\ub4dc\ub97c \ucc38\uc870\ud558\uc138\uc694. \ud53c\ub4dc\ubc31, \uc774\uc288, \ud480 \ub9ac\ud018\uc2a4\ud2b8 \ubaa8\ub450 \ud658\uc601\ud569\ub2c8\ub2e4!<\/p>","protected":false},"excerpt":{"rendered":"<p>Why and how we built an admission controller to make node drains safer when running stateful applications in Kubernetes. Running stateful applications in Kubernetes is increasingly common and these are often managed using custom resources and operators. However, the dynamic [&hellip;]<\/p>","protected":false},"author":85555,"featured_media":17336,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[9284,2322],"tags":[],"ppma_author":[10068,9590],"class_list":["post-17325","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-couchbase-autonomous-operator","category-kubernetes"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.8 (Yoast SEO v25.8) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Rethinking Node Drains: A Webhook Based Approach to Graceful Pod Removal - The Couchbase Blog<\/title>\n<meta name=\"description\" content=\"The Eviction Reschedule Hook project uses Kubernetes Admission Controllers to intercept and reject eviction requests for operator-managed pods.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.couchbase.com\/blog\/ko\/node-drains-webhook-pod-removal\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Rethinking Node Drains: A Webhook Based Approach to Graceful Pod Removal\" \/>\n<meta property=\"og:description\" content=\"The Eviction Reschedule Hook project uses Kubernetes Admission Controllers to intercept and reject eviction requests for operator-managed pods.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.couchbase.com\/blog\/ko\/node-drains-webhook-pod-removal\/\" \/>\n<meta property=\"og:site_name\" content=\"The Couchbase Blog\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-18T00:47:42+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-18T18:56:18+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2025\/07\/blog-nodedrain.png\" \/>\n\t<meta property=\"og:image:width\" content=\"2400\" \/>\n\t<meta property=\"og:image:height\" content=\"1256\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Ben Mottershead, Software Engineer, Justin Ashworth - 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