{"id":1687,"date":"2020-07-20T00:44:00","date_gmt":"2020-07-20T07:44:00","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/a-tale-of-two-ejection-methods-value-only-vs-full\/"},"modified":"2020-07-20T00:44:00","modified_gmt":"2020-07-20T07:44:00","slug":"a-tale-of-two-ejection-methods-value-only-vs-full","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/ko\/a-tale-of-two-ejection-methods-value-only-vs-full\/","title":{"rendered":"\ub450 \uac00\uc9c0 \ubc29\ucd9c \ubc29\uc2dd\uc758 \uc774\uc57c\uae30: \uac12 \uc804\uc6a9 \ub300 \uc804\uccb4 \ubc29\ucd9c"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\uc18c\uac1c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\ubcf8 \uae00\uc744 \uc791\uc131\ud558\ub294 \ub370 \uc5c4\uccad\ub09c \ub3c4\uc6c0\uc744 \uc8fc\uc2dc\uace0 \uc81c \uc218\ub9ce\uc740 \uc9c8\ubb38\uc5d0 \ub05d\uc5c6\ub294 \uc778\ub0b4\uc2ec\uc744 \ubcf4\uc5ec\uc8fc\uc2e0 Couchbase Server \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ud300, \ud2b9\ud788 \ub370\uc774\ube0c \ub9ac\uadf8\ube44(Dave Rigby)\uc640 \uc9d0 \uc6cc\ucee4(Jim Walker)\uc5d0\uac8c \uac10\uc0ac\uc758 \ub9d0\uc500\uc744 \uc804\ud569\ub2c8\ub2e4. \uc815\ub9d0 \uac10\uc0ac\ud569\ub2c8\ub2e4, \ub450 \ubd84\uc758 \ud574\ubc15\ud55c \uc9c0\uc2dd\uacfc \uc774\ub97c \uae30\uaebc\uc774 \ub098\ub204\uc5b4 \uc8fc\ub824\ub294 \ud0dc\ub3c4\uc5d0 \uae4a\uc774 \uac10\uc0ac\ub4dc\ub9bd\ub2c8\ub2e4!<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uc11c\ubc84(Couchbase Server)\uc5d0\uc11c \ub370\uc774\ud130\ub294 \ubc84\ud0b7(bucket)\uc5d0 \uc800\uc7a5\ub429\ub2c8\ub2e4. \uae30\ubcf8 <a href=\"https:\/\/docs.couchbase.com\/server\/current\/learn\/buckets-memory-and-storage\/buckets.html\" target=\"_blank\" rel=\"noopener noreferrer\">\ubc84\ud0b7 \ud0c0\uc785<\/a> \u2013 \uc9c4\ubd80\ud558\uac8c \uba85\uba85\ub41c <strong>\uce74\uc6b0\uce58\ubca0\uc774\uc2a4<\/strong> \uc720\ud615 \u2013 \ub514\uc2a4\ud06c\uc5d0 \ub300\ud55c \ube44\ub3d9\uae30 \ub370\uc774\ud130 \uc601\uc18d\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc11c\ubc84\ub294 \uc0ac\uc6a9\uc790\uc758 \ubaa8\ub4e0 \ub370\uc774\ud130, \uc989 \ud65c\uc131 \uc138\ud2b8\uc640 \ubcf5\uc81c \uc138\ud2b8(\ub4e4)\uc744 \uba54\ubaa8\ub9ac\uc5d0 \ubaa8\ub450 \ubcf4\uad00\ud558\ub824\uace0 \uc2dc\ub3c4\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uba54\ubaa8\ub9ac \ub0b4 \ub370\uc774\ud130\uac00 \ubc84\ud0b7 \uba54\ubaa8\ub9ac \ud560\ub2f9\ub7c9\uc758 85%\uc5d0 \ub3c4\ub2ec\ud558\uba74(\uc774 \uc218\uc900\uc744 <strong>\ucd5c\uace0 \uc218\uc704<\/strong>), \uc11c\ubc84\ub294 \uba54\ubaa8\ub9ac\uc5d0\uc11c \ucd5c\uadfc\uc5d0 \uc0ac\uc6a9\ub418\uc9c0 \uc54a\uc740 \ubb38\uc11c \uc911 \uc77c\ubd80\ub97c \uc81c\uac70(\uc5d0\uc81d\ud2b8)\ud558\uae30 \uc2dc\uc791\ud569\ub2c8\ub2e4. \ud65c\uc131 \ubb38\uc11c\ub294 40%\uc758 \ud655\ub960\ub85c \uc81c\uac70\ub418\uba70, \ubcf5\uc81c\ubcf8 \ubb38\uc11c\ub294 60%\uc758 \ud655\ub960\ub85c \uc81c\uac70\ub429\ub2c8\ub2e4.\u00a0 \uadf8 \uc774\uc720\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. \ud65c\uc131 \ubb38\uc11c\ub97c \uba54\ubaa8\ub9ac\uc5d0 \uc0c1\uc8fc\uc2dc\ud0a4\ub294 \uac83\uc774 \ub354 \uc911\uc694\ud558\uc9c0\ub9cc, \ub178\ub4dc \uc7a5\uc560 \ubc1c\uc0dd \uc2dc \ubcf5\uc81c\ubcf8 \ubb38\uc11c\uac00 \ud65c\uc131 \ubb38\uc11c\ub85c \uc804\ud658\ub418\uc5b4\uc57c \ud560 \uacbd\uc6b0\ub97c \ub300\ube44\ud558\uc5ec \uc77c\ubd80 \ubcf5\uc81c\ubcf8 \ubb38\uc11c\ub3c4 \uba54\ubaa8\ub9ac\uc5d0 \ub0a8\uaca8\ub450\uc5b4\uc57c \ud569\ub2c8\ub2e4.\u00a0 \uc81c\uac70 \ud504\ub85c\uc138\uc2a4\ub294 \uba54\ubaa8\ub9ac \ub0b4 \ub370\uc774\ud130\uac00 \ubc84\ud0b7 \uba54\ubaa8\ub9ac \ud560\ub2f9\ub7c9\uc758 75% \ubbf8\ub9cc\uc73c\ub85c \uc904\uc5b4\ub4e4 \ub54c\uae4c\uc9c0 \uacc4\uc18d\ub429\ub2c8\ub2e4(\uc774 \uc218\uc900\uc744 <strong>\ucd5c\uc800 \uc218\uc704<\/strong>).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Couchbase\uc5d0 \uc800\uc7a5\ub41c \ubb38\uc11c\uc758 \uad6c\uc870\uc5d0 \ub300\ud55c \uac04\ub2e8\ud55c \uc54c\ub9bc\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ubb38\uc11c <strong>\uc5f4\uc1e0<\/strong> \ub610\ub294 <strong>\uc544\uc774\ub514<\/strong>: \uac00\ubcc0 \uae38\uc774 \u2013 \ucd5c\ub300 250\ubc14\uc774\ud2b8, \ub3d9\uc77c\ud55c \ubc84\ud0b7 \ub0b4\uc5d0 \uc800\uc7a5\ub418\ub294 \ubb38\uc11c \uac04\uc5d0 \uace0\uc720\ud574\uc57c \ud568<\/li>\n\n\n<li>\ubb38\uc11c <strong>\uba54\ud0c0\ub370\uc774\ud130<\/strong>: \uace0\uc815 \uae38\uc774 \u2013 Couchase \ubc84\ud0b7 \uc720\ud615\uc5d0 \uc800\uc7a5\ub41c \ubb38\uc11c\uc758 \uacbd\uc6b0 56\ubc14\uc774\ud2b8, Ephemeral \ubc84\ud0b7 \uc720\ud615\uc5d0 \uc800\uc7a5\ub41c \ubb38\uc11c\uc758 \uacbd\uc6b0 72\ubc14\uc774\ud2b8(\uc774 \ubc84\ud0b7 \uc720\ud615\uc740 \uc774 \ubb38\uc11c\uc758 \ubc94\uc704\ub97c \ubc97\uc5b4\ub0a8)<\/li>\n\n\n<li>\ubb38\uc11c <strong>\uac00\uce58<\/strong>: \uac00\ubcc0 \uae38\uc774 \u2013 \ucd5c\ub300 20MB, \uc8fc\ub85c JSON, \ub2e4\ub978 \ud615\uc2dd\ub3c4 \uc0ac\uc6a9 \uac00\ub2a5<\/li>\n\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ub450 \uac00\uc9c0 \ubc30\ucd9c \ubc29\ubc95<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\ubcf8\uc801\uc73c\ub85c Couchbase \ubc84\ud0b7\uc740 <strong>\uac12\ub9cc \ud574\ub2f9<\/strong> \ubc30\uc81c(\ub610\ub294 \ucd95\ucd9c) \ubc29\uc2dd. \ub9ce\uc740 \ubc84\uc804 \uc804\uc5d0\ub294 \uc774\uac83\uc774 \uc720\uc77c\ud558\uac8c \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uc635\uc158\uc774\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub984\uc5d0\uc11c \uc54c \uc218 \uc788\ub4ef\uc774, \ubc30\uc81c \ud504\ub85c\uc138\uc2a4\ub294 <strong>\uac12\ub9cc \uc81c\uac70\ud569\ub2c8\ub2e4<\/strong> \ubb38\uc11c\ub4e4\uacfc <strong>\ubb38\uc11c \ud0a4\uc640 \uba54\ud0c0\ub370\uc774\ud130\ub97c \ud56d\uc0c1 \uba54\ubaa8\ub9ac\uc5d0 \uc720\uc9c0\ud560 \uac83\uc785\ub2c8\ub2e4.<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc84\uc804 3.0\ubd80\ud130 (<a href=\"https:\/\/www.couchbase.com\/blog\/ko\/downloads\/\" target=\"_blank\" rel=\"noopener noreferrer\">\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uc11c\ubc84<\/a> \uc774 \uae00\uc744 \uc791\uc131\ud558\ub294 \uc2dc\uc810\uc5d0 \ubc84\uc804 6.5.1\uc5d0 \ub3c4\ub2ec\ud574 \uc788\uc73c\uba70, \uc800\ud76c\ub294 \ucd94\uac00\ud588\uc2b5\ub2c8\ub2e4 <strong>\uac00\ub4dd \ucc2c<\/strong> \ubc30\ucd9c \ubc29\uc2dd. \uc804\uccb4 \ucd95\ucd9c\uc744 \uc704\ud574 \uad6c\uc131\ub41c \ubc84\ud0b7\uc774\ub77c\uace0 \uc27d\uac8c \ucd94\uce21\ud560 \uc218 \uc788\ub2e4 <strong>\ubb38\uc11c\uc758 \ud0a4, \uba54\ud0c0\ub370\uc774\ud130 \ubc0f \uac12\uc744 \uc81c\uac70\ud569\ub2c8\ub2e4<\/strong> \uc0ac\ucd9c \uacfc\uc815\uc758 \uc77c\ud658\uc73c\ub85c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc0c1\uc774\ud2b8\uc624\ud504: \uc131\ub2a5 \ub300 \uba54\ubaa8\ub9ac \ud06c\uae30<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub807\ub2e4\uba74, \ubc84\ud0b7\uc73c\ub85c \uc5b4\ub5a4 \uc635\uc158\uc744 \uc120\ud0dd\ud574\uc57c \ud560\uae4c\uc694? \ucd5c\uc2e0 Couchbase \uc11c\ubc84 \ubc84\uc804\uc758 GUI\uc5d0 \uc788\ub294 \ud234\ud301\uc5d0\uc11c\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc124\uba85\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em><strong>\uac00\uce58 \ubc29\ucd9c<\/strong> \ubc30\ucd9c \uc911\uc5d0\ub294 \uac12\ub9cc \ubc30\ucd9c\ub429\ub2c8\ub2e4(\ud0a4\uc640 \uba54\ud0c0\ub370\uc774\ud130\ub294 \uba54\ubaa8\ub9ac\uc5d0 \uc720\uc9c0\ub429\ub2c8\ub2e4).<\/em><\/li>\n\n\n<li><em><strong>\uc804\uccb4 \ubc30\ucd9c<\/strong>\u00a0\ubc30\ucd9c \uc911\uc5d0\ub294 (\ud0a4, \uba54\ud0c0\ub370\uc774\ud130, \uac12\uc744 \ud3ec\ud568\ud558\uc5ec) \ubaa8\ub4e0 \uac83\uc774 \ubc30\ucd9c\ub429\ub2c8\ub2e4.<\/em><br>\n<em>\uac12 \ubc29\ucd9c\uc740 \ub354 \ub9ce\uc740 \uc2dc\uc2a4\ud15c \uba54\ubaa8\ub9ac\uac00 \ud544\uc694\ud558\uc9c0\ub9cc \ucd5c\uace0\uc758 \uc131\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc804\uccb4 \ubc29\ucd9c\uc740 \uba54\ubaa8\ub9ac \uc624\ubc84\ud5e4\ub4dc \uc694\uad6c \uc0ac\ud56d\uc744 \uc904\uc5ec\uc90d\ub2c8\ub2e4.<\/em><\/li>\n\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub354 \uc815\ud655\ud788 \ub9d0\ud558\uc790\uba74, <strong>\uc5b4\ub290 \ucabd\ub3c4 \uc544\ub2d8<\/strong> \uba54\uc11c\ub4dc\u201c<em>\uc2dc\uc2a4\ud15c \uba54\ubaa8\ub9ac\uac00 \ub354 \ud544\uc694\ud569\ub2c8\ub2e4<\/em>\u201c <strong>\uac00\ub4dd \ucc2c<\/strong> \ucd94\ucd9c(\ubc30\ucd9c)\uc744 \ud1b5\ud574 \ub370\uc774\ud130\uc14b\uc774 \uba54\ubaa8\ub9ac\ub97c \ud06c\uac8c \ucd08\uacfc\ud560 \uc218 \uc788\ub294 \ubc18\uba74, <strong>\uac00\uce58<\/strong> \ubc30\ucd9c \uae30\ub2a5\uc740 \ud0a4\uc640 \uba54\ud0c0\ub370\uc774\ud130\ub97c \uba54\ubaa8\ub9ac\uc5d0 \uc720\uc9c0\ud574\uc57c \ud558\ubbc0\ub85c, \ub370\uc774\ud130\uc14b\uc774 \uba54\ubaa8\ub9ac\ubcf4\ub2e4 \uc5b4\ub290 \uc815\ub3c4 \ub354 \ucee4\uc9c0\ub294 \uac83\uc744 \ud5c8\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9cc\uc57d <strong>\uc77c\uad00\ub41c \uc77d\uae30 \uc9c0\uc5f0 \uc2dc\uac04<\/strong> Couchbase Server\uc758 \ub370\uc774\ud130\uc640 \uc791\ub3d9\ud558\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc911 (\ub9e4\uc6b0) \uc911\uc694\ud55c \uac83\uc774 \uc788\ub2e4\uba74, \uac12 \ubc30\ucd9c(value ejection)\uc744 \uace0\uc218\ud574\uc57c \ud569\ub2c8\ub2e4. \ub610\ud55c \uc774\ub97c \uc704\ud574\uc11c\ub294 <strong>\ud074\ub7ec\uc2a4\ud130 \uaddc\ubaa8 \uc0b0\uc815\ud558\uae30<\/strong> \uc81c\ub300\ub85c, \ud560\ub2f9\ud558\ub2e4 <strong>\ucda9\ubd84\ud55c \uba54\ubaa8\ub9ac \ud560\ub2f9\ub7c9<\/strong> \ubc84\ud0b7\uc744 \uad6c\ud604\ud558\ub2e4 <strong>\ubb38\uc11c \ubcf4\uad00<\/strong> \uc815\ucc45(\uc815\uae30\uc801\uc73c\ub85c \uc624\ub798\ub41c \ubb38\uc11c \ubcf4\uad00 \ub610\ub294 \uc0ad\uc81c) \ubc0f <strong>\uba54\ubaa8\ub9ac \uc0ac\uc6a9\ub7c9 \ubaa8\ub2c8\ud130\ub9c1<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub0b4\uc5d0 \uba38\ubb34\ub294 \uacbd\uc6b0 <strong>\uc608\uc0b0 \ub610\ub294 \uae30\uc874 \uae30\uc220\uc758 \ud55c\uacc4<\/strong> (\ub9e4\uc6b0) \uc911\uc694\ud558\ub2e4\uba74, \ub300\uc6a9\ub7c9 \ubc84\ud0b7\uc5d0 \ub300\ud574 \uc804\uccb4 \ud1f4\uac70(full eviction)\ub97c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \uc628\ud504\ub808\ubbf8\uc2a4 \ud558\ub4dc\uc6e8\uc5b4 \uc790\uc6d0\uc774 \ud55c\uacc4\uc5d0 \ub2ec\ud574 Couchbase \ub178\ub4dc\uc5d0 \ub7a8\uc744 \ub354 \uc774\uc0c1 \ucd94\uac00\ud560 \ubc29\ubc95\uc774 \uc5c6\ub294 \uacbd\uc6b0\uac00 \uc774\uc5d0 \ud574\ub2f9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc628\ud504\ub808\ubbf8\uc2a4\ub098 \ud074\ub77c\uc6b0\ub4dc \uae30\uc220 \uc9c0\ucd9c \ube44\uc6a9\uc774 \ubd80\uc871\ud560 \ub54c, \uc774\ub7ec\ud55c \uc131\ub2a5 \uc808\uac10 \ud0c0\ud611\uc548\uc774 \ud574\uacb0\ucc45\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\uccb4 \ubc30\ucd9c\uc744 \uace0\ub824\ud574\uc57c \ud558\ub294 \ub610 \ub2e4\ub978 \uc774\uc720\ub294 \ub370\uc774\ud130\uc14b\uc774 \ub2e4\uc74c\uacfc \uac19\uc744 \uac83\uc73c\ub85c \uc608\uc0c1\ub420 \ub54c\uc785\ub2c8\ub2e4. <strong>\ud070<\/strong>, \uadf8\ub807\uac8c \ud558\uc5ec <strong>\ucd08\uacfc\ud558\ub2e4<\/strong> \ud569\ub9ac\uc801\uc778 \uba54\ubaa8\ub9ac \uad6c\uc131. \uc5bc\ub9c8\ub098 \ud070\uac00\uc694 <strong>\ud070<\/strong>\uc218\uc2ed\uc5b5 \uac74\uc758 \ubb38\uc11c, \uc218\uc2ed \ud14c\ub77c\ubc14\uc774\ud2b8\uc5d0 \ub2ec\ud558\ub294 \ub370\uc774\ud130 \ub9d0\uc785\ub2c8\ub2e4. \uc800\ud76c \uc194\ub8e8\uc158 \uc5d4\uc9c0\ub2c8\uc5b4\uc640 \uc194\ub8e8\uc158 \uc544\ud0a4\ud14d\ud2b8\ub294 \uc5b8\uc81c\ub098 \uc5ec\ub7ec\ubd84\uc744 \ub3c4\uc6b8 \uc900\ube44\uac00 \ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/docs.couchbase.com\/server\/current\/install\/sizing-general.html\" target=\"_blank\" rel=\"noopener noreferrer\">\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ud074\ub7ec\uc2a4\ud130 \uaddc\ubaa8 \uc0b0\uc815\ud558\uae30<\/a> \uc81c\ubc1c \uc6b0\ub9ac\uc5d0\uac8c \ub9d0\uc744 \ud574 \uc8fc\uc138\uc694.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc30\ucd9c \ubc29\uc2dd\uc744 \ub2e4\ub978 \ubc29\uc2dd\uc73c\ub85c \ubcc0\uacbd\ud558\ub294 \uac83\uc740 \uac00\ub2a5\ud558\uc9c0\ub9cc, \uc774\ub294 \ubc84\ud0b7 \uc7ac\uc2dc\uc791\uc774 \ud544\uc694\ud55c \uba87 \uc548 \ub418\ub294 \uc791\uc5c5 \uc911 \ud558\ub098\uc774\ubbc0\ub85c \uc57d\uac04\uc758 \uac00\ub3d9 \uc911\uc9c0 \uc2dc\uac04\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc2e4\uc81c\ub85c \ubc30\ucd9c \ubc29\uc2dd\uc744 \ubcc0\uacbd\ud558\ub824\uace0 \ud558\uba74 UI\uc5d0 \ub2e4\uc74c\uacfc \uac19\uc740 \ube68\uac04\uc0c9 \uacbd\uace0 \ubb38\uad6c\uac00 \ud45c\uc2dc\ub429\ub2c8\ub2e4. <span>\ucd95\uc18c \uc815\ucc45\uc744 \ubcc0\uacbd\ud558\uba74 \ubc84\ud0b7\uc774 \uc7ac\uc2dc\uc791\ub429\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \ubaa8\ub4e0 \uc5f4\ub9b0 \uc5f0\uacb0\uc774 \uc885\ub8cc\ub418\uace0 \uc57d\uac04\uc758 \uac00\ub3d9 \uc911\uc9c0 \uc2dc\uac04\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<span>.\ub530\ub77c\uc11c \ubc84\ud0b7\uc744 \ud504\ub85c\ub355\uc158\uc5d0 \ubc30\ud3ec\ud558\uae30 \uc804\uc5d0 \ubc30\ucd9c \ubc29\uc2dd\uc744 \uacb0\uc815\ud558\ub294 \uac83\uc774 \ud604\uba85\ud569\ub2c8\ub2e4.<\/span><\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc131\ub2a5 \ucc28\uc774\uac00 \ub098\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc84\ud0b7 \ubc30\ucd9c \ubc29\uc2dd\uacfc \ub370\uc774\ud130 \ub808\uc9c0\ub358\uc2dc\uc758 \ub2e4\uc591\ud55c \uc2dc\ub098\ub9ac\uc624\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uc131\ub2a5\uc774 \uc5b4\ub5bb\uac8c \uc601\ud5a5\uc744 \ubc1b\ub294\uc9c0 \uc774\ud574\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub420 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \uc644\uc804\ud55c \ub370\uc774\ud130 \ub808\uc9c0\ub358\uc2dc<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub370\uc774\ud130\uac00 \uc644\uc804\ud788 \uc0c1\uc8fc \uc0c1\ud0dc(\uc989, \ubc84\ud0b7 \uba54\ubaa8\ub9ac \ud560\ub2f9\ub7c9\uc778 ~85% \ub0b4\uc5d0 \ubaa8\ub450 \ub4e4\uc5b4\ub9de\ub294 \uacbd\uc6b0)\uc77c \ub54c, \u2018\uac12\ub9cc \uc800\uc7a5(value-only)\u2019 \ubc84\ud0b7\uacfc \u2018\uc804\uccb4 \uc81c\uac70(full ejection)\u2019 \ubc84\ud0b7\uc758 \uc131\ub2a5\uc740 \ube44\uc2b7\ud574\uc57c \ud569\ub2c8\ub2e4. \ubb38\uc11c \uc791\uc5c5\uc740 \uc544\ub798\uc640 \uac19\uc774 \uc218\ud589\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>key = profile::john-doe::123\uc778 \ubb38\uc11c\ub97c \uac00\uc838\uc624\uae30(\uc77d\uae30)\n<ul>\n<li><span>\ube60\ub978<\/span>\uc774 \ud0a4\uac00 \uba54\ubaa8\ub9ac\uc5d0 \uc874\uc7ac\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.\n<ul>\n<li><span>\ube60\ub978<\/span>\uadf8\ub807\ub2e4\uba74 \uba54\ubaa8\ub9ac\uc5d0\uc11c \ubb38\uc11c\ub97c \ubc18\ud658\ud558\uc138\uc694.<\/li>\n<li><span>\ube60\ub978<\/span>: \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74, \u201c\ubb38\uc11c\uac00 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4\u201d \uc624\ub958\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n<li>key\uac00 profile::john-doe::123\uc778 \ubb38\uc11c\ub97c \uc0bd\uc785\ud558\uc138\uc694.\n<ul>\n<li><span>\ube60\ub978<\/span>\uc774 \ud0a4\uac00 \uba54\ubaa8\ub9ac\uc5d0 \uc874\uc7ac\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.\n<ul>\n<li><span>\ube60\ub978<\/span>\uadf8\ub807\ub2e4\uba74 \u201c\ubb38\uc11c\uac00 \uc774\ubbf8 \uc874\uc7ac\ud569\ub2c8\ub2e4\u201d \uc624\ub958\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/li>\n<li><span>\ube60\ub978<\/span>\uadf8\ub807\uc9c0 \uc54a\ub2e4\uba74, \ubb38\uc11c\ub97c \uba54\ubaa8\ub9ac\uc5d0 \uae30\ub85d\ud558\uc138\uc694. \uadf8\ub7f0 \ub2e4\uc74c \ube44\ub3d9\uae30\uc801\uc73c\ub85c \uc9c0\uc18d\ud654\ud558\uace0 \ubcf5\uc81c\ud558\uc138\uc694.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n<li>key = = profile::john-doe::123\uc778 \ubb38\uc11c\ub97c \uad50\uccb4\ud558\uc138\uc694\n<ul>\n<li><span>\ube60\ub978<\/span>\uc774 \ud0a4\uac00 \uba54\ubaa8\ub9ac\uc5d0 \uc874\uc7ac\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.\n<ul>\n<li><span>\ube60\ub978<\/span>\uadf8\ub807\ub2e4\uba74 \ubcc0\uacbd \uc0ac\ud56d\uc744 \uba54\ubaa8\ub9ac\uc5d0 \uc800\uc7a5\ud569\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ube44\ub3d9\uae30\uc801\uc73c\ub85c \uc774\ub97c \uc9c0\uc18d\uc2dc\ud0a4\uace0 \ubcf5\uc81c\ud569\ub2c8\ub2e4.<\/li>\n<li><span>\ube60\ub978<\/span>: \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74, \u201c\ubb38\uc11c\uac00 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4\u201d \uc624\ub958\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \ubd80\ubd84 \ub370\uc774\ud130 \uc0c1\uc8fc, \uac12 \uc804\uc6a9 \ubc30\ucd9c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c \uc870\uac74\uc744 \ucda9\uc871\ud558\ub294 \ubc84\ud0b7\uc758 \ub370\uc774\ud130 \uc0c1\uc8fc\uc131\uc774 100% \ubbf8\ub9cc\uc77c \ub54c <strong>\uac12 \uc804\uc6a9<\/strong> \ubc29\ucd9c \uc2dc, \uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uc11c\ubc84\ub294 \uc774\ub97c \uc54c\uace0 \uc788\uc2b5\ub2c8\ub2e4. <strong>\ubb38\uc11c \ud0a4\uc640 \uba54\ud0c0\ub370\uc774\ud130\uac00 \uc5ec\uc804\ud788 \uba54\ubaa8\ub9ac\uc5d0 \uc788\uc2b5\ub2c8\ub2e4.<\/strong>. \ub530\ub77c\uc11c \ubb38\uc11c \uc791\uc5c5\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>key = profile::john-doe::123\uc778 \ubb38\uc11c\ub97c \uac00\uc838\uc624\uae30(\uc77d\uae30)\n<ul>\n<li><span>\ube60\ub978<\/span>\uc774 \ud0a4\uac00 \uba54\ubaa8\ub9ac\uc5d0 \uc874\uc7ac\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.\n<ul>\n<li><span>\ube60\ub978<\/span>: \uadf8\ub807\ub2e4\uba74 \ubb38\uc11c \uac12\uc774 \uba54\ubaa8\ub9ac\uc5d0 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uc138\uc694\n<ul>\n<li><span>\ube60\ub978<\/span>\uadf8\ub807\ub2e4\uba74 \uba54\ubaa8\ub9ac\uc5d0\uc11c \ubb38\uc11c\ub97c \ubc18\ud658\ud558\uc138\uc694.<\/li>\n<li><span>\ub290\ub9bc<\/span>\uadf8\ub807\uc9c0 \uc54a\uc73c\uba74, \ubb38\uc11c\ub97c \ub514\uc2a4\ud06c\uc5d0\uc11c \uba54\ubaa8\ub9ac\ub85c \uc77d\uc5b4\ub4e4\uc5ec \ubc18\ud658\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n<li><span>\ube60\ub978<\/span>: \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74, \u201c\ubb38\uc11c\uac00 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4\u201d \uc624\ub958\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n<li>key\uac00 profile::john-doe::123\uc778 \ubb38\uc11c\ub97c \uc0bd\uc785\ud558\uc138\uc694.\n<ul>\n<li><span>\ube60\ub978<\/span>\uc774 \ud0a4\uac00 \uba54\ubaa8\ub9ac\uc5d0 \uc874\uc7ac\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.\n<ul>\n<li><span>\ube60\ub978<\/span>\uadf8\ub807\ub2e4\uba74 \u201c\ubb38\uc11c\uac00 \uc774\ubbf8 \uc874\uc7ac\ud569\ub2c8\ub2e4\u201d \uc624\ub958\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/li>\n<li><span>\ube60\ub978<\/span>\uadf8\ub807\uc9c0 \uc54a\ub2e4\uba74, \ubb38\uc11c\ub97c \uba54\ubaa8\ub9ac\uc5d0 \uae30\ub85d\ud558\uc138\uc694. \uadf8\ub7f0 \ub2e4\uc74c \ube44\ub3d9\uae30\uc801\uc73c\ub85c \uc9c0\uc18d\ud654\ud558\uace0 \ubcf5\uc81c\ud558\uc138\uc694.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n<li>key = = profile::john-doe::123\uc778 \ubb38\uc11c\ub97c \uad50\uccb4\ud558\uc138\uc694\n<ul>\n<li><span>\ube60\ub978<\/span>\uc774 \ud0a4\uac00 \uba54\ubaa8\ub9ac\uc5d0 \uc874\uc7ac\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.\n<ul>\n<li><span>\ube60\ub978<\/span>\uadf8\ub807\ub2e4\uba74 \ubcc0\uacbd \uc0ac\ud56d\uc744 \uba54\ubaa8\ub9ac\uc5d0 \uc800\uc7a5\ud569\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ube44\ub3d9\uae30\uc801\uc73c\ub85c \uc774\ub97c \uc9c0\uc18d\uc2dc\ud0a4\uace0 \ubcf5\uc81c\ud569\ub2c8\ub2e4.<\/li>\n<li><span>\ube60\ub978<\/span>: \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74, \u201c\ubb38\uc11c\uac00 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4\u201d \uc624\ub958\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. \ubd80\ubd84 \ub370\uc774\ud130 \uc0c1\uc8fc, \uc644\uc804\ud55c \ubc30\ucd9c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c \uc870\uac74\uc744 \ucda9\uc871\ud558\ub294 \ubc84\ud0b7\uc758 \ub370\uc774\ud130 \uc0c1\uc8fc\uc131\uc774 100% \ubbf8\ub9cc\uc77c \ub54c <strong>\uac00\ub4dd \ucc2c<\/strong> \ucd95\ucd9c, \uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uc11c\ubc84 <strong>\uc758\uc874\ud560 \uc218 \uc5c6\ub2e4<\/strong> \ubb38\uc11c \ud0a4\uc640 \uba54\ud0c0\ub370\uc774\ud130\uac00 \uba54\ubaa8\ub9ac\uc5d0 \uc874\uc7ac\ud560\uc9c0 \uc5ec\ubd80\uc5d0 \ub300\ud574, \uc774\ub4e4\uc774 \ud1f4\ucd9c(evicted)\ub418\uc5c8\uc744 \uc218 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \ubb38\uc11c \uc791\uc5c5\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ud615\ud0dc\ub97c \ub768 \uac83\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>key = profile::john-doe::123\uc778 \ubb38\uc11c\ub97c \uac00\uc838\uc624\uae30(\uc77d\uae30)\n<ul>\n<li><span>\ube60\ub978<\/span>\uc774 \ud0a4\uac00 \uba54\ubaa8\ub9ac\uc5d0 \uc874\uc7ac\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.\n<ul>\n<li><span>\ube60\ub978<\/span>: \uadf8\ub807\ub2e4\uba74 \ubb38\uc11c \uac12\uc774 \uba54\ubaa8\ub9ac\uc5d0 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uc138\uc694\n<ul>\n<li><span>\ube60\ub978<\/span>\uadf8\ub807\ub2e4\uba74 \uba54\ubaa8\ub9ac\uc5d0\uc11c \ubb38\uc11c\ub97c \ubc18\ud658\ud558\uc138\uc694.<\/li>\n<li><span>\ub290\ub9bc<\/span>\uadf8\ub807\uc9c0 \uc54a\ub2e4\uba74 \ub514\uc2a4\ud06c\ub97c \ud655\uc778\ud558\uc138\uc694.\n<ul>\n<li><span>\ub290\ub9bc<\/span>\ubb38\uc11c\uac00 \ub514\uc2a4\ud06c\uc5d0\uc11c \ubc1c\uacac\ub418\uba74, \ub514\uc2a4\ud06c\uc5d0\uc11c \uba54\ubaa8\ub9ac\ub85c \ubb38\uc11c\ub97c \uc77d\uc5b4\uc640 \ubc18\ud658\ud569\ub2c8\ub2e4.<\/li>\n<li><span>\ub290\ub9bc<\/span>: \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74, \u201c\ubb38\uc11c\uac00 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4\u201d \uc624\ub958\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n<li>key\uac00 profile::john-doe::123\uc778 \ubb38\uc11c\ub97c \uc0bd\uc785\ud558\uc138\uc694.\n<ul>\n<li><span>\ube60\ub978<\/span>\uc774 \ud0a4\uac00 \uba54\ubaa8\ub9ac\uc5d0 \uc874\uc7ac\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.\n<ul>\n<li><span>\ube60\ub978<\/span>\uadf8\ub807\ub2e4\uba74 \u201c\ubb38\uc11c\uac00 \uc774\ubbf8 \uc874\uc7ac\ud569\ub2c8\ub2e4\u201d \uc624\ub958\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/li>\n<li><span>\ub290\ub9bc<\/span>\uadf8\ub807\uc9c0 \uc54a\ub2e4\uba74 \ub514\uc2a4\ud06c\ub97c \ud655\uc778\ud558\uc138\uc694.\n<ul>\n<li><span>\ub290\ub9bc<\/span>\uadf8\ub807\uc9c0 \uc54a\ub2e4\uba74, \ubb38\uc11c\ub97c \uba54\ubaa8\ub9ac\uc5d0 \uae30\ub85d\ud558\uc138\uc694. \uadf8\ub7f0 \ub2e4\uc74c \ube44\ub3d9\uae30\uc801\uc73c\ub85c \uc9c0\uc18d\ud654\ud558\uace0 \ubcf5\uc81c\ud558\uc138\uc694.<\/li>\n<li><span>\ub290\ub9bc<\/span>\uadf8\ub807\ub2e4\uba74 \u201c\ubb38\uc11c\uac00 \uc774\ubbf8 \uc874\uc7ac\ud569\ub2c8\ub2e4\u201d \uc624\ub958\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n<li>key = = profile::john-doe::123\uc778 \ubb38\uc11c\ub97c \uad50\uccb4\ud558\uc138\uc694\n<ul>\n<li><span>\ube60\ub978<\/span>\uc774 \ud0a4\uac00 \uba54\ubaa8\ub9ac\uc5d0 \uc874\uc7ac\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.\n<ul>\n<li><span>\ube60\ub978<\/span>\uadf8\ub807\ub2e4\uba74 \ubcc0\uacbd \uc0ac\ud56d\uc744 \uba54\ubaa8\ub9ac\uc5d0 \uc800\uc7a5\ud569\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ube44\ub3d9\uae30\uc801\uc73c\ub85c \uc774\ub97c \uc9c0\uc18d\uc2dc\ud0a4\uace0 \ubcf5\uc81c\ud569\ub2c8\ub2e4.<\/li>\n<li><span>\ub290\ub9bc<\/span>\uadf8\ub807\uc9c0 \uc54a\ub2e4\uba74 \ub514\uc2a4\ud06c\ub97c \ud655\uc778\ud558\uc138\uc694.\n<ul>\n<li><span>\ub290\ub9bc<\/span>: \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74, \u201c\ubb38\uc11c\uac00 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4\u201d \uc624\ub958\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/li>\n<li><span>\ub290\ub9bc<\/span>\uadf8\ub807\ub2e4\uba74 \ubb38\uc11c\ub97c \uba54\ubaa8\ub9ac\uc5d0 \uc791\uc131\ud558\uc2ed\uc2dc\uc624. \uadf8\ub7f0 \ub2e4\uc74c \ube44\ub3d9\uae30\uc801\uc73c\ub85c \uc9c0\uc18d\ud654\ud558\uace0 \ubcf5\uc81c\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">100% \uba54\ubaa8\ub9ac\uc5d0 \uc0c1\uc8fc\ud558\uc9c0 \uc54a\ub294 \uac00\ub4dd \ucc2c \ud1f4\uac70 \ubc84\ud0b7\uc758 \uacbd\uc6b0, <strong>\ub9ce\uc740 <span><em>\uc874\uc7ac\ud55c\ub2e4<\/em><\/span> \uc791\uc5c5\uc740 \ub514\uc2a4\ud06c\ub85c \uac00\uc57c \ud569\ub2c8\ub2e4<\/strong>. \uc644\uc804 \ud1f4\uac70 \ubc84\ud0b7\uc758 \uacbd\uc6b0 \ubc31\uadf8\ub77c\uc6b4\ub4dc \ud398\uce58 \uc218(\ub514\uc2a4\ud06c\uc5d0\uc11c \uba54\ubaa8\ub9ac\ub85c \ubb38\uc11c\ub97c \uc77d\ub294 \uc791\uc5c5\uc73c\ub85c, \u201c\uce90\uc2dc \ubbf8\uc2a4\u201d\ub77c\uace0\ub3c4 \ud568)\ub3c4 \ub354 \ub192\uc744 \uac00\ub2a5\uc131\uc774 \ub192\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ubc29\ubc95\uc774 \uc788\ub098\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uac8c\ub2e4\uac00 <em>\uc0bd\uc785<\/em> \uadf8\ub9ac\uace0 <em>\ubc14\uafb8\ub2e4<\/em> \uc791\uc5c5, Couchbase SDK \uc9c0\uc6d0 <strong><em>\uc5c5\uc11c\ud2b8<\/em><\/strong>.\u00a0<em>\uc5c5\uc11c\ud2b8<\/em> \uc791\uc5c5\uc740 \ubb38\uc11c\ub97c \uc0bd\uc785\ud558\uac70\ub098(\uc874\uc7ac\ud558\uc9c0 \uc54a\ub294 \uacbd\uc6b0) \uae30\uc874 \ubb38\uc11c\ub97c \ub300\uccb4\ud569\ub2c8\ub2e4. Couchbase Server\uc5d0\uc11c \ub370\uc774\ud130 \ubcc0\uacbd \uc0ac\ud56d\uc744 \ucc98\ub9ac\ud558\ub294 \ucd94\uac00 \uc804\uc6a9(append-only) \ud2b9\uc131\uc73c\ub85c \uc778\ud574, <strong>\uadf8\u00a0<em>\uc5c5\uc11c\ud2b8<\/em><\/strong><strong> \uc791\uc5c5 <span>\uc694\uad6c\ud558\uc9c0 \uc54a\uc74c<\/span> \ud574\ub2f9\ud558\ub294\u00a0<em>\uc874\uc7ac\ud55c\ub2e4<\/em><\/strong><strong> \uc791\uc5c5.<\/strong>\u00a0 \ub530\ub77c\uc11c, \uadf8 \uc0ac\uc6a9\uc740 <em>\uc5c5\uc11c\ud2b8<\/em> ~ \ub300\uc2e0\uc5d0\u00a0<em>\uc0bd\uc785\ubb3c<\/em> \uadf8\ub9ac\uace0\u00a0<em>\ub300\uccb4\ud569\ub2c8\ub2e4<\/em> \uc0ac\uc6a9 \uc0ac\ub840\uac00 \uc774\ub7ec\ud55c \ub300\uccb4 \uae30\ub2a5\uc744 \ud5c8\uc6a9\ud55c\ub2e4\ub294 \uc804\uc81c\ud558\uc5d0, \uadc0\ud558\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\uc6a9 \uace0\uc18d \ub514\uc2a4\ud06c\ub294 \uc804\uccb4 \ud1f4\ucd9c(full ejection) \ubc84\ud0b7\uc758 \uc131\ub2a5\ub3c4 \ud5a5\uc0c1\uc2dc\ud0ac \uac83\uc785\ub2c8\ub2e4. \uc774\ub294 \uac00\uc0c1\ud654\ub41c \uc2a4\ud1a0\ub9ac\uc9c0\ubcf4\ub2e4 \ub178\ub4dc\ub2f9 \uc804\uc6a9 \ub514\uc2a4\ud06c\ub97c \uc0ac\uc6a9\ud558\ub294 Couchbase \ub178\ub4dc\uc758 \uad8c\uc7a5 \uad6c\uc131 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ubc38\ub958 \uc804\uc6a9\uc5d0\uc11c \uc804\uccb4 \ubc30\ucd9c\ub85c \uc804\ud658\ud574\uc57c \ud558\ub294 \uc2dc\uae30<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c \uc0c1\ud669\uc744 \uc0dd\uac01\ud574 \ubd05\uc2dc\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uac12 \uae30\ubc18 \ubc30\ucd9c\uc774 \uad6c\uc131\ub41c \ubc84\ud0b7\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n<li>\ubc84\ud0b7\uc758 \ud06c\uae30\uac00 \ucee4\uc9c0\uba74\uc11c \uba54\ubaa8\ub9ac\uc5d0 \uc0c1\uc8fc\ud558\ub294 \ub370\uc774\ud130\uc758 \uc591\uc774 15-20% \ubbf8\ub9cc\uc73c\ub85c \uc904\uc5b4\ub4e4\uc5c8\ub294\ub370, \uc774\ub294 \ub2f9\uc0ac\uac00 \uad8c\uc7a5\ud558\ub294 \ucd5c\uc18c \uc0c1\uc8fc \ube44\uc728\uc785\ub2c8\ub2e4.<\/li>\n\n\n<li>\ub354 \ub9ce\uc740 \ub370\uc774\ud130\uac00 \uc720\uc785\ub420 \uac83\uc73c\ub85c \uc608\uc0c1\ub418\uba70, \uc0ac\uc6a9 \uc0ac\ub840 \uc694\uad6c\uc0ac\ud56d\uc5d0 \ub530\ub77c \uc774\ubbf8 \ubb38\uc11c\ub97c \uc544\uce74\uc774\ube0c\/\uc0ad\uc81c\ud558\uace0 \uc788\uace0, \ubc84\ud0b7\uc5d0 \ub354 \ub9ce\uc740 RAM\uc744 \ud560\ub2f9\ud560 \ubc29\ubc95\uc774 \uc5c6\uc2b5\ub2c8\ub2e4.<\/li>\n\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc804\uccb4 \ubc30\ucd9c \ubc29\uc2dd\uc744 \ucc44\ud0dd\ud574\uc57c \ud569\ub2c8\uae4c?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc9c8\ubb38\uc5d0 \ub2f5\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub418\ub294 \uc88b\uc740 \uce21\uc815 \uc9c0\ud45c\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ubc14\ub85c \ub3d9\uc77c\ud55c \ubc84\ud0b7\uc5d0 \ub300\ud574 RAM\uc5d0 \uc788\ub294 \uc0ac\uc6a9\uc790 \ub370\uc774\ud130\uc640 \ube44\uad50\ud55c RAM \ub0b4 \uba54\ud0c0\ub370\uc774\ud130\uc758 \uc591\uc785\ub2c8\ub2e4. \uc5ec\uae30\uc11c \u201c\uba54\ud0c0\ub370\uc774\ud130\u201d\ub780 \ubb38\uc11c\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. <strong>\ud0a4 + \uba54\ud0c0\ub370\uc774\ud130<\/strong>, \uc774 \ud2b9\uc815 \uacbd\uc6b0\uc5d0. \uc774 \uacbd\uc6b0 \u201c\uc0ac\uc6a9\uc790 \ub370\uc774\ud130\u201d\ub294 \ubb38\uc11c\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. <strong>\uac00\uce58<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uc9c0\ud45c\ub294 \ub2e4\uc74c \uc704\uce58\uc5d0\uc11c \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <strong>vBucket \ub9ac\uc18c\uc2a4<\/strong> UI\uc758 \ud574\ub2f9 \uc139\uc158. \uc544\ub798 \uc2a4\ud06c\ub9b0\uc0f7\uc5d0\uc11c \ubcfc \uc218 \uc788\ub4ef\uc774, \uba54\ud0c0\ub370\uc774\ud130\uac00 \uba54\ubaa8\ub9ac \ub0b4 \ubc84\ud0b7 \ub370\uc774\ud130\uc758 \uc57d 42%\ub97c \ucc28\uc9c0\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><figure id=\"attachment_8888\" aria-describedby=\"caption-attachment-8888\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-8888\" src=\"https:\/\/www.couchbase.com\/wp-content\/uploads\/sites\/5\/2026\/05\/cb-vbucket-metadata-949x1024-1.jpg\" alt=\"Metadata overhead\" width=\"900\" height=\"971\"><figcaption id=\"caption-attachment-8888\" class=\"wp-caption-text\">\uba54\ud0c0\ub370\uc774\ud130 \uc624\ubc84\ud5e4\ub4dc \ud1b5\uacc4<\/figcaption><\/figure><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud2b9\uc815 \uc2dc\uc810\uc5d0 UI \ubc0f Couchbase \ub85c\uadf8\uc5d0\uc11c \ub2e4\uc74c\uacfc \uac19\uc740 \uba54\uc2dc\uc9c0\uac00 \ub098\ud0c0\ub0a0 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><figure id=\"attachment_8889\" aria-describedby=\"caption-attachment-8889\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-8889\" src=\"https:\/\/www.couchbase.com\/wp-content\/uploads\/sites\/5\/2026\/05\/cb-metadata-overhead-1024x258-1.jpg\" alt=\"Metadata overhead warning\" width=\"900\" height=\"227\"><figcaption id=\"caption-attachment-8889\" class=\"wp-caption-text\">\uba54\ud0c0\ub370\uc774\ud130 \uc624\ubc84\ud5e4\ub4dc \uacbd\uace0<\/figcaption><\/figure><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb38\uc11c \ud0a4\uc640 \uba54\ud0c0\ub370\uc774\ud130\uac00 \uba54\ubaa8\ub9ac \ud560\ub2f9\ub7c9\uc758 \ub300\ubd80\ubd84\uc744 \ucc28\uc9c0\ud558\uace0 \uc788\uae30 \ub54c\ubb38\uc5d0, \ubb38\uc11c \uac12\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\ub294 \uacf5\uac04\uc774 \uac70\uc758 \uc5c6\uc2b5\ub2c8\ub2e4. \uc774 \uacbd\uc6b0, \uc0ac\uc6a9 \uac00\ub2a5\ud55c \uba54\ubaa8\ub9ac\uac00 \ub108\ubb34 \uc801\uae30 \ub54c\ubb38\uc5d0 \uc11c\ubc84\uac00 \ub514\uc2a4\ud06c\uc5d0\uc11c \uba54\ubaa8\ub9ac\ub85c \ub370\uc774\ud130\ub97c \ub85c\ub4dc\ud558\uae30 \uc704\ud574 \ubc31\uadf8\ub77c\uc6b4\ub4dc \uc870\ud68c\ub97c \ube48\ubc88\ud558\uac8c \uc218\ud589\ud558\uace0, \uc774\ub294 \uace7 \ub2e4\uc2dc \ubc29\ucd9c(\uc81c\uac70)\ub418\ub294 \ud604\uc0c1\uc744 \ubaa9\uaca9\ud558\uac8c \ub420 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud074\ub7ec\uc2a4\ud130\uc5d0 \ub178\ub4dc\ub97c \ub354 \ucd94\uac00\ud560 \uc218 \uc5c6\uac70\ub098 \ub2e4\ub978 \ubc84\ud0b7\uc5d0\uc11c \uba54\ubaa8\ub9ac\ub97c \uc7ac\ud560\ub2f9\ud560 \uc218 \uc5c6\ub294 \uacbd\uc6b0, \ud574\ub2f9 \ubc84\ud0b7\uc744 \uc804\uccb4 \ud1f4\ucd9c(full ejection) \ubc29\uc2dd\uc73c\ub85c \uc804\ud658\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4. \ub2e8, \ubc84\ud0b7\uc774 \uc7ac\uc2dc\uc791\ub418\uace0 \uc6dc\uc5c5(warmup) \uacfc\uc815\uc744 \uac70\uce58\ub294 \ub3d9\uc548 \uc57d\uac04\uc758 \ub2e4\uc6b4\ud0c0\uc784\uc774 \ubc1c\uc0dd\ud55c\ub2e4\ub294 \uc810\uc744 \uc720\ub150\ud558\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ub9c8\ubb34\ub9ac<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uac12\ub9cc \ud574\ub2f9<\/strong> \ubc30\ucd9c\/\ucd95\ucd9c(ejection\/eviction)\uc740 \uba54\ubaa8\ub9ac\uc5d0\uc11c \ubb38\uc11c \uac12\ub9cc \uc81c\uac70\ud558\ub294 \ubc18\uba74, <strong>\uac00\ub4dd \ucc2c<\/strong> \ud1f4\uac70\ub294 \ubb38\uc11c \ud0a4\uc640 \uba54\ud0c0\ub370\uc774\ud130\ub3c4 \uc81c\uac70\ud569\ub2c8\ub2e4.<\/li>\n\n\n<li>\ub108\ub294 ~\uc744 \ub9cc\ub4e4\uc5b4\uc57c \ud55c\ub2e4 <strong>\uc815\ubcf4\uc5d0 \uc785\uac01\ud55c \uc120\ud0dd<\/strong> \ubc84\ud0b7\uc744 \ud504\ub85c\ub355\uc158\uc5d0 \ud22c\uc785\ud558\uae30 \uc804\uc5d0 \ubc29\ucd9c \ubc29\ubc95\uc744 \uacb0\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. \uc218\ubc31\ub9cc \uac1c\uc758 \ubb38\uc11c\uac00 \uc788\ub294 \uc4f0\uae30 \uc9d1\uc57d\uc801 \uc0ac\uc6a9 \uc0ac\ub840\ub294 \uc804\uccb4 \ubc29\ucd9c\uc758 \uc88b\uc740 \ud6c4\ubcf4\uc785\ub2c8\ub2e4. \ub098\uc911\uc5d0 \ud504\ub85c\ub355\uc158\uc5d0\uc11c \ubc29\ucd9c \ubc29\ubc95\uc744 \ubcc0\uacbd\ud558\ub294 \uac83\uc740 \uc57d\uac04\uc758 \uac00\ub3d9 \uc911\uc9c0 \uc2dc\uac04\uc73c\ub85c \uc778\ud574 \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n<li><strong>\uc5c5\ub370\uc774\ud2b8 \ubc0f \uc0bd\uc785<\/strong> \uc791\uc5c5\uacfc \uc804\uc6a9 \uace0\uc18d \ub514\uc2a4\ud06c\ub294 \ud56d\uc0c1 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uba70, \uc804\uccb4 \ubc30\ucd9c \ubc84\ud0b7(full ejection bucket)\uc758 \uacbd\uc6b0 \ud6e8\uc52c \ub354 \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n\n\n<li>\ubc84\ud0b7 \ubaa8\ub2c8\ud130\ub9c1 <strong>metadata overhead<\/strong>.\u00a0 It is a good indicator that your cluster may be in need of more RAM.\u00a0 If you can&#8217;t get more memory to your Couchbase cluster, and your <strong>metadata overhead is at or higher than 40%<\/strong>, you may consider switching your large write-heavy buckets to full ejection.<\/li>\n\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Introduction I would like to thank our Couchbase Server engineering team &#8211; especially, Dave Rigby and Jim Walker &#8211; for their tremendous help with this article and endless patience with all my questions.\u00a0 Thanks a lot guys, I really appreciate your vast knowledge and readiness to share it! In Couchbase Server, data is stored in [&hellip;]<\/p>\n","protected":false},"author":1414,"featured_media":18,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_acf":"","footnotes":""},"categories":[136,179,54],"tags":[],"ppma_author":[412],"class_list":["post-1687","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-best-practices-and-tutorials","category-couchbase-architecture","category-couchbase-server"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.3 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Value-Only Ejection vs. Full Ejection | Two Ejection Methods<\/title>\n<meta name=\"description\" content=\"Value-only ejection vs. full ejection - which is best for your buckets? 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