{"id":2080,"date":"2015-07-27T08:17:42","date_gmt":"2015-07-27T08:17:41","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/?p=2080"},"modified":"2025-10-09T07:18:16","modified_gmt":"2025-10-09T14:18:16","slug":"java-sdk-2-2-0-developer-preview-refresh","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/ko\/java-sdk-2-2-0-developer-preview-refresh\/","title":{"rendered":"Java SDK 2.2.0 \uac1c\ubc1c\uc790 \ud504\ub9ac\ubdf0 \uc0c8\ub85c \uace0\uce68"},"content":{"rendered":"<p>2017\ub144 3\uc6d4\ubd80\ud130 \ucc38\uace0: \uc774\ubca4\ud2b8 \ubc84\uc2a4 \ubc0f \uc9c0\ud45c \uc218\uc9d1\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \uc815\ubcf4\ub294 \ub2e4\uc74c \ubb38\uc11c\uc5d0\uc11c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/developer.couchbase.com\/documentation\/server\/4.5\/sdk\/java\/collecting-information-and-logging.html\">\uacf5\uc2dd \ubb38\uc11c<\/a>. \uc774 \ubb38\uc11c\uc758 \uc77c\ubd80 \uc815\ubcf4\ub294 \uc624\ub798\ub418\uc5c8\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc720\ub7fd\uc774 \uc5ec\ub984 \ub354\uc704\uc5d0 \ub179\uc544\ub0b4\ub9ac\ub294 \ub3d9\uc548, <a href=\"https:\/\/twitter.com\/simonbasle\">Simon<\/a> (\ud30c\ub9ac\uc5d0\uc11c), <a href=\"https:\/\/twitter.com\/avsej\">Sergey<\/a> (\ubbfc\uc2a4\ud06c \ucd9c\ubc1c) \ubc0f <a href=\"https:\/\/twitter.com\/daschl\">I<\/a> (\ube44\uc5d4\ub098 \ucd9c\uc2e0)\uac00 \uadf8 \uc5f4\uae30\ub97c \uc774\uc5b4\ubc1b\uc544 \uc0c8\ub85c\uc6b4 \ub9b4\ub9ac\uc2a4\ub97c \ub9cc\ub4e4\uc5c8\uc2b5\ub2c8\ub2e4. \uace7 \ucd9c\uc2dc\ub420 2.2.0 \ub9b4\ub9ac\uc2a4\uc758 \ub450 \ubc88\uc9f8 \uac1c\ubc1c\uc790 \ud504\ub9ac\ubdf0\uc785\ub2c8\ub2e4. \ubc84\uadf8 \uc218\uc815(2.1.4 \ub9b4\ub9ac\uc2a4\uc5d0\ub3c4 \ud3ec\ud568\ub428) \uc678\uc5d0\ub3c4 \ub2e4\uc74c\uacfc \uac19\uc740 \uac1c\uc120 \uc0ac\ud56d\uacfc \uc0c8\ub85c\uc6b4 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li>N1QL \ubc0f \ub2e4\ucc28\uc6d0 \uc2a4\ucf00\uc77c\ub9c1(MDS)\uc5d0 \ub300\ud55c \ud655\uc7a5 \uc9c0\uc6d0<\/li>\n<li>\ub3d9\uae30\ud654 \ubc0f \ube44\ub3d9\uae30\ud654 API \uac1c\uc120 \uc0ac\ud56d<\/li>\n<li>\uba54\ud2b8\ub9ad\uc744 \ud1b5\ud55c \uc9c0\uc6d0\uc131 \ud5a5\uc0c1<\/li>\n<li>\ub2e4\uc591\ud55c \uc885\uc18d\uc131 \uc5c5\uadf8\ub808\uc774\ub4dc \ubc0f DCP \ubcc0\uacbd<\/li>\n<\/ul>\n<p>\uc9c0\uae08 \ubc14\ub85c \ub2e4\uc6b4\ub85c\ub4dc\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<p><a href=\"https:\/\/gist.github.com\/daschl\/5b32706a0a4fe50cfaa4.js\">https:\/\/gist.github.com\/daschl\/5b32706a0a4fe50cfaa4.js<\/a><\/p>\n<h2>\ud655\uc7a5\ub41c N1QL \ubc0f MDS \uc9c0\uc6d0<\/h2>\n<p>\uc9d1\uacc4, \ubc30\uc5f4, \ube44\uad50, \ub0a0\uc9dc, \uba54\ud0c0, \ud328\ud134 \uc77c\uce58 \ubc0f \ubb38\uc790\uc5f4 \ud568\uc218\ub97c \ud3ec\ud568\ud55c(\uc774\uc5d0 \uad6d\ud55c\ub418\uc9c0 \uc54a\uc74c) \ub2e4\uc591\ud55c N1QL \ud568\uc218\ub97c \uc9c0\uc6d0\ud558\ub3c4\ub85d N1QL DSL \uae30\ub2a5\uc774 \ub354\uc6b1 \ud655\uc7a5\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubaa8\ub4e0 \ud568\uc218\ub294 \"com.couchbase.client.java.query.dsl.functions\" \ub124\uc784\uc2a4\ud398\uc774\uc2a4 \uc544\ub798\uc5d0 \uc788\uc73c\uba70, \ud3b8\uc758\ub97c \uc704\ud574 \uc815\uc801 \ud5ec\ud37c \uba54\uc11c\ub4dc\ub85c \uac00\uc838\uc640\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\ub2e4\ucc28\uc6d0 \ud655\uc7a5\uc740 \uba64\uce90\uc2dc\ub4dc \ubc84\ud0b7\uc5d0\ub3c4 \uc601\ud5a5\uc744 \ubbf8\uce58\ubbc0\ub85c(\ubaa8\ub4e0 \ub178\ub4dc\uac00 \ub370\uc774\ud130 \ub178\ub4dc\uc77c \ud544\uc694\ub294 \uc5c6\uc74c), \uc774\uc81c SDK\ub294 \uc790\ub3d9\uc73c\ub85c \ud574\ub2f9 \ub370\uc774\ud130 \ub178\ub4dc\ub9cc \ucf00\ud0c0\ub9c8 \ud574\uc2f1 \uc54c\uace0\ub9ac\uc998\uc5d0 \uc0ac\uc6a9\ub418\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uc774\ub294 \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc644\uc804\ud788 \ud22c\uba85\ud558\uc9c0\ub9cc, MDS \ubc0f \uba64\uce90\uc2dc\ub4dc \ubc84\ud0b7\uacfc \ud568\uaed8 Couchbase Server 4.0\uc744 \uc0ac\uc6a9\ud558\ub824\ub294 \uacbd\uc6b0 2.2.0 \uc774\uc0c1\uc744 \uc120\ud0dd\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. 1.4.x SDK\ub294 \uc601\ud5a5\uc744 \ubc1b\uc9c0 \uc54a\uc73c\uba70 \ubb38\uc81c \uc5c6\uc774 \uacc4\uc18d \uc791\ub3d9\ud569\ub2c8\ub2e4.<\/p>\n<p>\ub9c8\uc9c0\ub9c9\uc73c\ub85c, \ubaa8\ub4e0 API\uc758 \uc77c\uad00\uc131\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud574 \"\ub9e4\uac1c\ubcc0\uc218\ud654\ub41c\" \ucffc\ub9ac\uc758 \uc774\ub984\uc744 \"\ub9e4\uac1c\ubcc0\uc218\ud654\ub41c\"\uc73c\ub85c \ubcc0\uacbd\ud588\uc73c\uba70, \uc774\ub294 Couchbase \ubb38\uc11c\uc640 SDK API \uc804\ubc18\uc5d0 \uac78\uccd0 \uc62c\ubc14\ub978 \ud615\uc2dd\uc73c\ub85c \uac04\uc8fc\ub429\ub2c8\ub2e4.<\/p>\n<h2>\ub3d9\uae30\ud654 \ubc0f \ube44\ub3d9\uae30\ud654 API \uac1c\uc120 \uc0ac\ud56d<\/h2>\n<p>\ube44\ub3d9\uae30 API\uc758 \uc77c\ubc18\uc801\uc778 \ud568\uc815 \uc911 \ud558\ub098\ub294 \ubc18\ud658\ub41c Observables\uac00 '\ucf5c\ub4dc'\uac00 \uc544\ub2cc '\ud56b'\uc774\ub77c\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\ub294 \uc7ac\uc2dc\ub3c4 \uc758\ubbf8\ub860\uacfc \uc7ac\uc0ac\uc6a9\uc131\uc5d0 \ubbf8\ubb18\ud55c \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ud2b9\ud788 \uc7ac\uc2dc\ub3c4 \uc5f0\uc0b0\uc790\ub97c \uc0ac\uc6a9\ud558\ub824\uba74 \ubc18\ud658\ub41c \uc635\uc800\ubc84\ub97c \"\uc9c0\uc5f0\"\uc2dc\ucf1c\uc11c \ub2e4\uc2dc \uad6c\ub3c5\ud560 \ub54c\ub9c8\ub2e4 \uc0c8\ub85c\uc6b4 \uc635\uc800\ubc84\uac00 \uc0dd\uc131\ub418\ub3c4\ub85d \ud574\uc57c \ud569\ub2c8\ub2e4. 2.2.0\uc5d0\uc11c\ub294 \ubaa8\ub4e0 API \ud638\ucd9c\uc744 \uae30\ubcf8\uc801\uc73c\ub85c \ub798\ud551\ud558\uc5ec \ucf5c\ub4dc \ud638\ucd9c\ub85c \ub9cc\ub4e4\uae30\ub85c \uacb0\uc815\ud588\uc2b5\ub2c8\ub2e4. \uae30\uc874 \ucf54\ub4dc\ub294 \uacc4\uc18d \uc791\ub3d9\ud558\uba70, \ub450 \ubc88 \uc9c0\uc5f0\ud574\ub3c4 \uc544\ubb34\ub7f0 \ud574\ub97c \ub07c\uce58\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc774 \uc7ac\uc2dc\ub3c4 \ucf54\ub4dc\ub97c 2.1.4\uc640 \ube44\uad50\ud558\uc138\uc694:<\/p>\n<p><a href=\"https:\/\/gist.github.com\/daschl\/0666841cb2bd69e53d17.js\">https:\/\/gist.github.com\/daschl\/0666841cb2bd69e53d17.js<\/a><\/p>\n<p>2.2.0\uc5d0 \ube44\ud574 \uc57d\uac04 \ub354 \uac04\ub2e8\ud55c \ubc84\uc804\uc785\ub2c8\ub2e4:<\/p>\n<p><a href=\"https:\/\/gist.github.com\/daschl\/2b63c5193bac4dd11713.js\">https:\/\/gist.github.com\/daschl\/2b63c5193bac4dd11713.js<\/a><\/p>\n<p>getFromReplica \ud638\ucd9c\uc740 \uc77c\uad00\uc131\ubcf4\ub2e4 \uac00\uc6a9\uc131\uc744 \ucc98\ub9ac\ud558\ub294 \ubc29\ubc95\uc73c\ub85c \uc0ac\uc6a9\ub418\ubbc0\ub85c \ubc18\ud658\ub418\ub294 \uccab \ubc88\uc9f8 N\uac1c\uc758 \ubb38\uc11c\ub9cc \uac00\uc838\uc624\ub294 \uac83\uc774 \ub9e4\uc6b0 \ud569\ub9ac\uc801\uc77c \ub54c\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \ube44\ub3d9\uae30 API\uc5d0\uc11c\ub294 \"take()\" \uc5f0\uc0b0\uc790\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc774 \uc791\uc5c5\uc744 \ub9e4\uc6b0 \uc27d\uac8c \uc218\ud589\ud560 \uc218 \uc788\uc9c0\ub9cc, \ub3d9\uae30 API\uc5d0\uc11c\ub294 \ubaa9\ub85d \ubc84\uc804\ub9cc \ub178\ucd9c\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ucc28\ub2e8 API\ub85c \uc791\uc5c5\ud558\ub294 \uc0ac\uc6a9\uc790\uc758 \uc720\uc5f0\uc131\uc744 \ub192\uc774\uae30 \uc704\ud574 \uc774\uc81c \ubc18\ubcf5\uc790\ub97c \ubc18\ud658\ud558\ub294 \uc0c8\ub85c\uc6b4 \uc624\ubc84\ub85c\ub4dc\uac00 \ucd94\uac00\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ubc18\ud658\ub418\ub294 \uccab \ubc88\uc9f8 \ubb38\uc11c\ub9cc \uc2e0\uacbd\uc4f0\ub294 \uacbd\uc6b0\uc5d0\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ud558\uc138\uc694:<\/p>\n<p><a href=\"https:\/\/gist.github.com\/daschl\/0c7c92642d8c0af7dae3.js\">https:\/\/gist.github.com\/daschl\/0c7c92642d8c0af7dae3.js<\/a><\/p>\n<p>\uc774\uc804\uc5d0\ub294 \ubb38\uc11c\uac00 \uc874\uc7ac\ud558\uc9c0 \uc54a\ub294 \uacbd\uc6b0 \uce74\uc6b4\ud130 \uc5f0\uc0b0\uc5d0\uc11c \uc2e4\ud328\ud560 \uc218 \uc5c6\uc5c8\uc73c\uba70 \ud56d\uc0c1 0\uc73c\ub85c \ucd08\uae30\ud654\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \uae30\ub2a5\uc740 1.x \uc2dc\ub9ac\uc988\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc5c8\uc73c\ubbc0\ub85c \uae30\ubcf8\uac12\uc774 \uc9c0\uc815\ub418\uc9c0 \uc54a\uc740 \uba54\uc11c\ub4dc \uc624\ubc84\ub85c\ub4dc\uc5d0\uc11c \ub2e4\uc2dc \uac00\uc838\uc624\uae30\ub85c \uacb0\uc815\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ub530\ub77c\uc11c 2.2.0\uc5d0\uc11c\ub294 \ubb38\uc11c\uac00 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc73c\uba74 \uc774 \uba54\uc11c\ub4dc \uc624\ubc84\ub85c\ub4dc \"\uad00\ucc30 \uac00\ub2a5\ud55c \uce74\uc6b4\ud130(\ubb38\uc790\uc5f4 id, \uae34 \ub378\ud0c0)\"\uac00 \"DocumentDoesNotExistException\"\uacfc \ud568\uaed8 \uc2e4\ud328\ud569\ub2c8\ub2e4. \uc774\uc804 \ub3d9\uc791\uc744 \uc6d0\ud55c\ub2e4\uba74 \ucd08\uae30\uac12\uc73c\ub85c \uc624\ubc84\ub85c\ub4dc\ub97c \uc0ac\uc6a9\ud558\uace0 0\uc73c\ub85c \uc124\uc815\ud558\uba74 \ub429\ub2c8\ub2e4.<\/p>\n<p>\ub9c8\uc9c0\ub9c9\uc73c\ub85c SDK\ub294 \uc774\uc81c \ub354 \ub9ce\uc740 \ud658\uacbd \uad6c\uc131 \uc635\uc158\uc744 \uc9c0\uc6d0\ud558\uba70(TCP_NODELAY \uad6c\uc131 \uac00\ub2a5 \ud3ec\ud568), \ub514\uc790\uc778 \ubb38\uc11c\ub97c \uc0dd\uc131\ud560 \ub54c \uc635\uc158\uc73c\ub85c \uad6c\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub514\uc790\uc778 \ubb38\uc11c\ub97c \uc0dd\uc131\ud558\uace0 \uae30\ubcf8 \ucd5c\uc18c \uc5c5\ub370\uc774\ud2b8 \uac04\uaca9\uc744 \ubcc0\uacbd\ud558\ub294 \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<p><a href=\"https:\/\/gist.github.com\/daschl\/ddec1089eed01285d0c4.js\">https:\/\/gist.github.com\/daschl\/ddec1089eed01285d0c4.js<\/a><\/p>\n<h2>\uba54\ud2b8\ub9ad\uc744 \ud1b5\ud55c \uc9c0\uc6d0 \uae30\ub2a5 \ud5a5\uc0c1<\/h2>\n<p>\uac1c\ubc1c\uc790\uc640 \uc6b4\uc601\uc790\uac00 \ud754\ud788 \ud558\ub294 \uc9c8\ubb38\uc740 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub0b4\ubd80\uc5d0\uc11c \ubb34\uc2a8 \uc77c\uc774 \uc77c\uc5b4\ub098\uace0 \uc788\ub294\uac00 \ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \uc774\uc640 \uad00\ub828\ub41c \uc9c8\ubb38\ub3c4 \uc885\uc885 \uc788\uc2b5\ub2c8\ub2e4. \uc65c TimeoutException\uc774 \ubc1c\uc0dd\ud558\ub294\uac00? \uc800\ud76c\ub294 \uba87 \ub144 \ub3d9\uc548 \ud504\ub85c\ub355\uc158 \ubc30\ud3ec\ub97c \ub514\ubc84\uae45\ud574\uc654\uace0, \uadf8 \uacfc\uc815\uc5d0\uc11c \ud55c\ub450 \uac00\uc9c0\ub97c \ubc30\uc6e0\uc2b5\ub2c8\ub2e4. \uac00\uc7a5 \uc911\uc694\ud55c \uac83 \uc911 \ud558\ub098\ub294 \uc815\ubcf4\uc785\ub2c8\ub2e4. \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ub354 \ub9ce\uc740 \uc815\ubcf4\ub97c \uc5bb\uc744 \uc218 \uc788\uc744\uc218\ub85d \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ub354 \uc798 \uc774\ud574\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ubc14\ub85c \uc774\ub7ec\ud55c \uc774\uc720\ub85c \uc774\ubca4\ud2b8 \ubc84\uc2a4\ub97c \ud1b5\ud574 \uac8c\uc2dc\ub418\uace0 \uba54\uc2dc\uc9c0\ub85c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uc0c1\uc2dc \ub300\uae30 \uc2dc\uac04 \ubc0f \ub7f0\ud0c0\uc784 \uba54\ud2b8\ub9ad\uc744 SDK\uc5d0 \ucd94\uac00\ud588\uc2b5\ub2c8\ub2e4. \ub2e8\uc21c\ud788 \ub85c\uae45\ud558\ub294 \uac83\uacfc \uc774\ubca4\ud2b8 \ubc84\uc2a4\ub97c \ud1b5\ud574 \uc2e4\uc81c\ub85c \ub178\ucd9c\ud558\ub294 \uac83\uc5d0\ub294 \ud070 \ucc28\uc774\uac00 \uc788\uc2b5\ub2c8\ub2e4(\ub098\uc911\uc5d0 \ub85c\uae45\ud558\ub294 \uacbd\uc6b0\uc5d0\ub3c4 \ub9c8\ucc2c\uac00\uc9c0\uc785\ub2c8\ub2e4). \uc774\ub97c \ud1b5\ud574 \ub370\uc774\ud130\ub97c \uc18c\ube44\ud560 \uc218 \uc788\uace0, \ub354 \uc911\uc694\ud55c \uac83\uc740 \uc989\uac01\uc801\uc73c\ub85c \ubc18\uc751\ud560 \uc218 \uc788\ub2e4\ub294 \uc810\uc785\ub2c8\ub2e4. \ub370\uc774\ud130\ub97c \uac00\uc838\uc640\uc11c nagios, Graphite \ub610\ub294 logstash\uc640 \uac19\uc740 \uc120\ud638\ud558\ub294 \ubaa8\ub2c8\ud130\ub9c1 \uc2dc\uc2a4\ud15c\uc73c\ub85c \uc804\uc1a1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2dc\uc2a4\ud15c \uc911\ub2e8 \ud6c4\uc5d0\ub3c4 \ub85c\uadf8 \ud30c\uc77c\uc744 \ubd84\uc11d\ud558\uae30 \uc704\ud574 \uc778\ub825\uc744 \ud22c\uc785\ud560 \ud544\uc694\uac00 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uae30\ubcf8\uc801\uc73c\ub85c SDK\ub294 \uc774\ub97c \ud1b5\ud574 \uc2e4\ud589\ub418\ub294 \uc791\uc5c5\uc758 \uc9c0\uc5f0 \uc2dc\uac04\uc744 \ud22c\uba85\ud558\uac8c \uc218\uc9d1\ud558\uc5ec \ub9e4 \uc2dc\uac04\ub9c8\ub2e4 \uc774\ubca4\ud2b8 \ubc84\uc2a4\uc5d0 \uae30\ub85d\ud569\ub2c8\ub2e4. \ubc29\ucd9c \uac04\uaca9 \ubc0f \uae30\ud0c0 \uc5ec\ub7ec \uc124\uc815\uc740 \ud658\uacbd\uc744 \ud1b5\ud574 \uc644\uc804\ud788 \uc0ac\uc6a9\uc790 \uc815\uc758\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uc774\ubca4\ud2b8 \ubc84\uc2a4\uc5d0\uc11c \uc218\uc2e0\ud558\uace0 \uba54\ud2b8\ub9ad \uc774\ubca4\ud2b8\ub9cc stderr\uc5d0 \ucd9c\ub825\ud558\ub294 \uac04\ub2e8\ud55c \uc608\uc81c\uc785\ub2c8\ub2e4(\ucd5c\ub300\ud55c\uc758 \uc720\uc5f0\uc131\uc744 \uc81c\uacf5\ud558\uae30 \uc704\ud574 \ubc84\uc2a4\uc5d0 \uc788\ub294 \uc774\ubca4\ud2b8\ubcf4\ub2e4 \ud6e8\uc52c \ub354 \ub9ce\uc740 \uc774\ubca4\ud2b8\ub97c \ubc30\ud3ec\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4):<\/p>\n<p><a href=\"https:\/\/gist.github.com\/daschl\/51e5193a57d909fd072b.js\">https:\/\/gist.github.com\/daschl\/51e5193a57d909fd072b.js<\/a><\/p>\n<p>\uc5ec\uae30\uc11c \ub450 \uac00\uc9c0 \uc774\ubca4\ud2b8\ub97c \ubc1c\uacac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uccab \ubc88\uc9f8 \uc774\ubca4\ud2b8\ub294 GC \ud1b5\uacc4, \uba54\ubaa8\ub9ac \ubc0f \uc2a4\ub808\ub4dc \uc0ac\uc6a9\ub7c9\uacfc \uac19\uc740 \ub7f0\ud0c0\uc784 \uc815\ubcf4\ub97c \uc778\uc1c4\ud569\ub2c8\ub2e4. \ub2e4\ub978 \ud558\ub098\ub294 \ub0b4\ubd80 \ud788\uc2a4\ud1a0\uadf8\ub7a8\uc5d0 \uc218\uc9d1\ub41c \uc9c0\uc5f0 \uc2dc\uac04(\ubc0f \ucc98\ub9ac\ub7c9) \ud1b5\uacc4\ub97c \ud3ec\ud568\ud558\ub294 \uc57d\uac04 \ub354 \ud070 \uc774\ubca4\ud2b8\uc785\ub2c8\ub2e4. \uc778\uc1c4\ub41c \uc815\ubcf4\uc5d0\ub294 \ucd5c\uc18c \ubc0f \ucd5c\ub300 \uc9c0\uc5f0 \uc2dc\uac04, \uc791\uc5c5 \uc218, \ubc31\ubd84\uc704\uc218\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4. \ud45c\uc9c0 \uc544\ub798\uc5d0\ub294 \uc6b0\uc218\ud55c <a href=\"https:\/\/hdrhistogram.github.io\/HdrHistogram\/\">Hdr\ud788\uc2a4\ud1a0\uadf8\ub7a8<\/a> \ub77c\uc774\ube0c\ub7ec\ub9ac \ubc0f \uad00\ub828 LatencyUtils \ud328\ud0a4\uc9c0.<\/p>\n<p>\uc791\uc5c5\ubcc4\ub85c \uc778\uc1c4\ud560 \ubfd0\ub9cc \uc544\ub2c8\ub77c \ubc18\ud658 \uc2dc \uc0c1\ud0dc \ucf54\ub4dc\ubfd0\ub9cc \uc544\ub2c8\ub77c \ub300\uc0c1 \ub178\ub4dc\ub97c \uc2e4\uc81c\ub85c \uc2dd\ubcc4\ud560 \uc218 \uc788\ub2e4\ub294 \uc810\uc5d0 \uc8fc\ubaa9\ud558\uc138\uc694. \uc774\ub97c \ud1b5\ud574 \ud2b8\ub9ac \ud615\ud0dc\uc758 \uc2dc\uc2a4\ud15c \uc0c1\ud0dc\ub97c \uad6c\ucd95\ud558\uace0 \uac1c\ubcc4 \ub178\ub4dc \ub610\ub294 \uc11c\ube44\uc2a4\uc758 \uc131\ub2a5\uc5d0 \ub300\ud55c \uc778\uc0ac\uc774\ud2b8\ub97c \ub3c4\ucd9c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4(\ub178\ub4dc A\uac00 \ub2e4\ub978 \ub178\ub4dc\ubcf4\ub2e4 \ub290\ub9ac\ub2e4, \ub300\uccb4\uac00 \uc0bd\uc785\ubcf4\ub2e4 \ube60\ub974\ub2e4, \ub178\ub4dc B\uc5d0 \uc624\ub958\uac00 \ub9ce\ub2e4...).<\/p>\n<p>\uc0ac\uc6a9\uc790 \ud53c\ub4dc\ubc31\uc744 \ubc14\ud0d5\uc73c\ub85c \uc774\ub7ec\ud55c \uba54\ud2b8\ub9ad\uc744 \uae30\ub85d\ud558\uc5ec Graphite \ub610\ub294 Logstash\ub85c \uc804\uc1a1\ud560 \uc218 \uc788\ub294 \uae30\ubcf8 \uc81c\uacf5 \uc18c\ube44\uc790 \uae30\ub2a5\uc744 \ucd94\uac00\ud558\ub294 \uac83\uc744 \uace0\ub824\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \uc778\uac04\uacfc \uae30\uacc4\uac00 \ubaa8\ub450 \ud328\ub7ec\uc11c\ube14\ud560 \uc218 \uc788\ub294 \uba4b\uc9c4 \ud615\uc2dd\uc758 JSON\uc744 \ud3ec\ud568\ud574 \ubcf4\ub2e4 \uc815\uad50\ud55c \ucd9c\ub825 \ud615\uc2dd\uc744 \ucd94\uac00\ud560 \uc608\uc815\uc785\ub2c8\ub2e4. \ub4dc\ub77c\uc774\ubc84\uc5d0 \uc5b4\ub5a4 \ub300\uc0c1 \ud615\uc2dd\uc744 \ucd94\uac00\ud558\uace0 \uc2f6\uc740\uc9c0 \uc54c\ub824\uc8fc\uc138\uc694.<\/p>\n<h2>\uc885\uc18d\uc131 \uc5c5\uadf8\ub808\uc774\ub4dc \ubc0f DCP \ubcc0\uacbd \uc0ac\ud56d<\/h2>\n<p>\ub9c8\uc774\ub108 \ubc84\uc804\uc774 \ucd9c\uc2dc\ub428\uc5d0 \ub530\ub77c \uc885\uc18d \uc694\uc18c\ub3c4 \ucd5c\uc2e0 \ubc84\uadf8 \uc218\uc815 \ubc84\uc804\uc73c\ub85c \uc5c5\uadf8\ub808\uc774\ub4dc\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc804\uccb4 \uc885\uc18d\uc131 \ubaa9\ub85d\uc740 \ub2e4\uc74c\uacfc \uac19\uc9c0\ub9cc, \uc2e4\uc81c\ub85c\ub294 RxJava\ub9cc \uba85\uc2dc\uc801 \uc885\uc18d\uc131\uc73c\ub85c \ub178\ucd9c\ub418\uba70, \ub2e4\ub978 \uc885\uc18d\uc131\uc740 \ubaa8\ub450 \ub9ac\ud328\ud0a4\uc9d5\ub418\uc5b4 \uc0ac\uc6a9\uc790 \ud658\uacbd\uc5d0\uc11c \ucda9\ub3cc \uac00\ub2a5\uc131\uc774 \uc788\ub294 \ubc84\uc804\uc774 \uc788\uc5b4\ub3c4 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<p>2.2.0-dp2\uc5d0\uc11c 2.1.4\ub85c \ubcc0\uacbd\ub41c \uc0ac\ud56d\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>1.0.4\uc5d0\uc11c 1.0.13\uc73c\ub85c RxJava \uc5c5\uadf8\ub808\uc774\ub4dc<\/li>\n<li>4.0.25.Final\uc5d0\uc11c 4.0.29.Final\ub85c \ub124\ud2f0 \ubcc0\uacbd<\/li>\n<li>LMAX \ub514\uc2a4\ub7fd\ud130 3.3.0 ~ 3.3.2<\/li>\n<li>\uc7ad\uc2a8 2.4.2\uc5d0\uc11c 2.5.4\ub85c \uc5c5\ub370\uc774\ud2b8<\/li>\n<li>\uc9c0\uc5f0\uc2dc\uac04 \ubc84\uc804 2.0.2\uc758 \uc0c8\ub85c\uc6b4 \uae30\ub2a5<\/li>\n<\/ul>\n<p>\ub610\ud55c Sergey\ub294 Kafka \ucee4\ub125\ud130\ub97c \ud655\uc7a5\ud558\ub294 \uc791\uc5c5\uc5d0 \ubab0\ub450\ud558\uace0 \uc788\uc73c\uba70, \uc774\ub97c \ud1b5\ud574 core-io \ub77c\uc774\ube0c\ub7ec\ub9ac\uc758 DCP\ub3c4 \uac1c\uc120\ud588\uc2b5\ub2c8\ub2e4. \uc544\uc9c1\uc740 \uc0c1\ub2f9\ud788 \uc2e4\ud5d8\uc801\uc778 \ub2e8\uacc4\uc774\uc9c0\ub9cc, \ub354 \ub9ce\uc740 \uc0ac\ub78c\ub4e4\uc774 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \ub2e8\uacc4\uc5d0 \uac00\uae4c\uc6cc\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>GA\ub97c \ud5a5\ud55c \uc5ec\uc815<\/h2>\n<p>\uc544\uc9c1 \uc778\ud050\ubca0\uc774\ud305 \uc911\uc778 \ub610 \ub2e4\ub978 N1QL \uae30\ub2a5\uc740 (\uc774\ub984\uc774) \uc900\ube44\ub41c \ubb38\uc785\ub2c8\ub2e4. \uc774 \ucf54\ub4dc\ub294 \uc774\ubc88 \ub450 \ubc88\uc9f8 \uac1c\ubc1c\uc790 \ud504\ub9ac\ubdf0\uc5d0\uc11c \uc5c5\ub370\uc774\ud2b8\ub418\uc5c8\uc9c0\ub9cc \uc544\uc9c1 \ubcc0\uacbd\ub420 \uc218 \uc788\uc73c\ubbc0\ub85c \ud604\uc7ac\ub85c\uc11c\ub294 \ud574\ub2f9 API\uc5d0 \uc8fc\uc11d\uc744 \ub2ec\uc558\uc2b5\ub2c8\ub2e4. \uc644\uc804\ud55c \uae30\ub2a5 \uc9c0\uc6d0\uacfc \uad11\ubc94\uc704\ud55c \ubb38\uc11c\uac00 \uc81c\uacf5\ub420 \ub54c\uae4c\uc9c0 \uc870\uae08\ub9cc \uae30\ub2e4\ub824 \uc8fc\uc138\uc694.<\/p>\n<p>\uadf8 \uc678\uc5d0\ub294 2.2.0\uc758 \ud560 \uc77c \ubaa9\ub85d\uc5d0 \ud070 \uae30\ub2a5\uc774 \ub0a8\uc544 \uc788\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc5d0 \uc18c\uaddc\ubaa8 \uc218\uc815, \uc548\uc815\uc131 \ud5a5\uc0c1, \uadf8\ub9ac\uace0 \uac00\uc7a5 \uc911\uc694\ud55c \ubb38\uc11c\ud654 \uc791\uc5c5\uc73c\ub85c \ubc29\ud5a5\uc744 \uc804\ud658\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc9c0\uae08\uae4c\uc9c0 \ucd9c\uc2dc\ub41c \ub9b4\ub9ac\uc2a4 \uc911 \ucd5c\uace0\uc758 \ubc84\uc804\uc774 \ub418\uae30 \uc704\ud574\uc11c\ub294 \uc5ec\ub7ec\ubd84\uc758 \uc758\uacac\uc774 \ud544\uc694\ud569\ub2c8\ub2e4! \ud2b9\ud788 \uc0c8\ub85c\uc6b4 \uae30\ub2a5\uacfc N1QL \uc9c0\uc6d0\uc5d0 \ub300\ud55c \ud53c\ub4dc\ubc31\uc744 \uc81c\uacf5\ud574 \uc8fc\uc138\uc694. \uc5ec\uae30, \ud3ec\ub7fc \ub610\ub294 \ubc84\uadf8 \ud2b8\ub798\ucee4\uc5d0 \ub313\uae00\uc744 \ub2ec\uc544 \ub204\ub77d\ub418\uac70\ub098 \uace0\uc7a5\ub09c \ubd80\ubd84\uc744 \uc54c\ub824\uc8fc\uc138\uc694!<\/p>","protected":false},"excerpt":{"rendered":"<p>Note from March 2017: detailed information on the event bus and metrics collection can be found in the official documentation. Some information in this article may be outdated. While europe was melting away in the summer heat, Simon (from Paris), [&hellip;]<\/p>","protected":false},"author":19,"featured_media":13873,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"ppma_author":[8987],"class_list":["post-2080","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.3 (Yoast SEO v26.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Java SDK 2.2.0 Developer Preview Refresh - The Couchbase Blog<\/title>\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\/java-sdk-2-2-0-developer-preview-refresh\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java SDK 2.2.0 Developer Preview Refresh\" \/>\n<meta property=\"og:description\" content=\"Note from March 2017: detailed information on the event bus and metrics collection can be found in the official documentation. Some information in this article may be outdated. While europe was melting away in the summer heat, Simon (from Paris), [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.couchbase.com\/blog\/ko\/java-sdk-2-2-0-developer-preview-refresh\/\" \/>\n<meta property=\"og:site_name\" content=\"The Couchbase Blog\" \/>\n<meta property=\"article:published_time\" content=\"2015-07-27T08:17:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-09T14:18:16+00:00\" \/>\n<meta name=\"author\" content=\"Michael Nitschinger\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@daschl\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Michael Nitschinger\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/\"},\"author\":{\"name\":\"Michael Nitschinger\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/#\/schema\/person\/e5d4d332756da6f361dd88c1576de61d\"},\"headline\":\"Java SDK 2.2.0 Developer Preview Refresh\",\"datePublished\":\"2015-07-27T08:17:41+00:00\",\"dateModified\":\"2025-10-09T14:18:16+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/\"},\"wordCount\":1380,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2022\/11\/couchbase-nosql-dbaas.png\",\"articleSection\":[\"Uncategorized\"],\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/\",\"url\":\"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/\",\"name\":\"Java SDK 2.2.0 Developer Preview Refresh - The Couchbase Blog\",\"isPartOf\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2022\/11\/couchbase-nosql-dbaas.png\",\"datePublished\":\"2015-07-27T08:17:41+00:00\",\"dateModified\":\"2025-10-09T14:18:16+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/#breadcrumb\"},\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/#primaryimage\",\"url\":\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2022\/11\/couchbase-nosql-dbaas.png\",\"contentUrl\":\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2022\/11\/couchbase-nosql-dbaas.png\",\"width\":1800,\"height\":630},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.couchbase.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Java SDK 2.2.0 Developer Preview Refresh\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/#website\",\"url\":\"https:\/\/www.couchbase.com\/blog\/\",\"name\":\"The Couchbase Blog\",\"description\":\"Couchbase, the NoSQL Database\",\"publisher\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.couchbase.com\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ko-KR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/#organization\",\"name\":\"The Couchbase Blog\",\"url\":\"https:\/\/www.couchbase.com\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2023\/04\/admin-logo.png\",\"contentUrl\":\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2023\/04\/admin-logo.png\",\"width\":218,\"height\":34,\"caption\":\"The Couchbase Blog\"},\"image\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/#\/schema\/person\/e5d4d332756da6f361dd88c1576de61d\",\"name\":\"Michael Nitschinger\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/#\/schema\/person\/image\/95e178617974d46e3b02dd1754a3f60b\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/dad99b5e02a74ca4bec14352e9da710160647a97290814b669babb3aac0ea675?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/dad99b5e02a74ca4bec14352e9da710160647a97290814b669babb3aac0ea675?s=96&d=mm&r=g\",\"caption\":\"Michael Nitschinger\"},\"description\":\"Michael Nitschinger works as a Principal Software Engineer at Couchbase. He is the architect and maintainer of the Couchbase Java SDK, one of the first completely reactive database drivers on the JVM. He also authored and maintains the Couchbase Spark Connector. Michael is active in the open source community, a contributor to various other projects like RxJava and Netty.\",\"sameAs\":[\"https:\/\/nitschinger.at\",\"https:\/\/x.com\/daschl\"],\"url\":\"https:\/\/www.couchbase.com\/blog\/ko\/author\/michael-nitschinger\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Java SDK 2.2.0 Developer Preview Refresh - The Couchbase Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.couchbase.com\/blog\/ko\/java-sdk-2-2-0-developer-preview-refresh\/","og_locale":"ko_KR","og_type":"article","og_title":"Java SDK 2.2.0 Developer Preview Refresh","og_description":"Note from March 2017: detailed information on the event bus and metrics collection can be found in the official documentation. Some information in this article may be outdated. While europe was melting away in the summer heat, Simon (from Paris), [&hellip;]","og_url":"https:\/\/www.couchbase.com\/blog\/ko\/java-sdk-2-2-0-developer-preview-refresh\/","og_site_name":"The Couchbase Blog","article_published_time":"2015-07-27T08:17:41+00:00","article_modified_time":"2025-10-09T14:18:16+00:00","author":"Michael Nitschinger","twitter_card":"summary_large_image","twitter_creator":"@daschl","twitter_misc":{"Written by":"Michael Nitschinger","Est. reading time":"6\ubd84"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/#article","isPartOf":{"@id":"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/"},"author":{"name":"Michael Nitschinger","@id":"https:\/\/www.couchbase.com\/blog\/#\/schema\/person\/e5d4d332756da6f361dd88c1576de61d"},"headline":"Java SDK 2.2.0 Developer Preview Refresh","datePublished":"2015-07-27T08:17:41+00:00","dateModified":"2025-10-09T14:18:16+00:00","mainEntityOfPage":{"@id":"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/"},"wordCount":1380,"commentCount":0,"publisher":{"@id":"https:\/\/www.couchbase.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/#primaryimage"},"thumbnailUrl":"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2022\/11\/couchbase-nosql-dbaas.png","articleSection":["Uncategorized"],"inLanguage":"ko-KR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/","url":"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/","name":"Java SDK 2.2.0 Developer Preview Refresh - The Couchbase Blog","isPartOf":{"@id":"https:\/\/www.couchbase.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/#primaryimage"},"image":{"@id":"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/#primaryimage"},"thumbnailUrl":"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2022\/11\/couchbase-nosql-dbaas.png","datePublished":"2015-07-27T08:17:41+00:00","dateModified":"2025-10-09T14:18:16+00:00","breadcrumb":{"@id":"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/#breadcrumb"},"inLanguage":"ko-KR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/"]}]},{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/#primaryimage","url":"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2022\/11\/couchbase-nosql-dbaas.png","contentUrl":"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2022\/11\/couchbase-nosql-dbaas.png","width":1800,"height":630},{"@type":"BreadcrumbList","@id":"https:\/\/www.couchbase.com\/blog\/java-sdk-2-2-0-developer-preview-refresh\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.couchbase.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Java SDK 2.2.0 Developer Preview Refresh"}]},{"@type":"WebSite","@id":"https:\/\/www.couchbase.com\/blog\/#website","url":"https:\/\/www.couchbase.com\/blog\/","name":"\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ube14\ub85c\uadf8","description":"NoSQL \ub370\uc774\ud130\ubca0\uc774\uc2a4, Couchbase","publisher":{"@id":"https:\/\/www.couchbase.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.couchbase.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ko-KR"},{"@type":"Organization","@id":"https:\/\/www.couchbase.com\/blog\/#organization","name":"\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ube14\ub85c\uadf8","url":"https:\/\/www.couchbase.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/www.couchbase.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2023\/04\/admin-logo.png","contentUrl":"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2023\/04\/admin-logo.png","width":218,"height":34,"caption":"The Couchbase Blog"},"image":{"@id":"https:\/\/www.couchbase.com\/blog\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.couchbase.com\/blog\/#\/schema\/person\/e5d4d332756da6f361dd88c1576de61d","name":"\ub9c8\uc774\ud074 \ub2c8\uce6d\uac70","image":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/www.couchbase.com\/blog\/#\/schema\/person\/image\/95e178617974d46e3b02dd1754a3f60b","url":"https:\/\/secure.gravatar.com\/avatar\/dad99b5e02a74ca4bec14352e9da710160647a97290814b669babb3aac0ea675?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/dad99b5e02a74ca4bec14352e9da710160647a97290814b669babb3aac0ea675?s=96&d=mm&r=g","caption":"Michael Nitschinger"},"description":"\ub9c8\uc774\ud074 \ub2c8\uce6d\uc5b4\ub294 Couchbase\uc758 \uc218\uc11d \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc5d4\uc9c0\ub2c8\uc5b4\ub85c \uc77c\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub294 JVM\uc5d0\uc11c \ucd5c\ucd08\uc758 \uc644\uc804 \ubc18\uc751\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ub4dc\ub77c\uc774\ubc84 \uc911 \ud558\ub098\uc778 Couchbase Java SDK\uc758 \uc124\uacc4\uc790\uc774\uc790 \uc720\uc9c0 \uad00\ub9ac\uc790\uc785\ub2c8\ub2e4. \ub610\ud55c Couchbase Spark Connector\ub97c \uc791\uc131\ud558\uace0 \uc720\uc9c0 \uad00\ub9ac\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. Michael\uc740 \uc624\ud508 \uc18c\uc2a4 \ucee4\ubba4\ub2c8\ud2f0\uc5d0\uc11c \ud65c\ubc1c\ud788 \ud65c\ub3d9 \uc911\uc774\uba70, RxJava \ubc0f Netty\uc640 \uac19\uc740 \ub2e4\uc591\ud55c \ud504\ub85c\uc81d\ud2b8\uc5d0 \uae30\uc5ec\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.","sameAs":["https:\/\/nitschinger.at","https:\/\/x.com\/daschl"],"url":"https:\/\/www.couchbase.com\/blog\/ko\/author\/michael-nitschinger\/"}]}},"authors":[{"term_id":8987,"user_id":19,"is_guest":0,"slug":"michael-nitschinger","display_name":"Michael Nitschinger","avatar_url":"https:\/\/secure.gravatar.com\/avatar\/dad99b5e02a74ca4bec14352e9da710160647a97290814b669babb3aac0ea675?s=96&d=mm&r=g","author_category":"","last_name":"Nitschinger, Principal Software Engineer, Couchbase","first_name":"Michael","job_title":"","user_url":"https:\/\/nitschinger.at","description":"\ub9c8\uc774\ud074 \ub2c8\uce6d\uc5b4\ub294 Couchbase\uc758 \uc218\uc11d \uc18c\ud504\ud2b8\uc6e8\uc5b4 \uc5d4\uc9c0\ub2c8\uc5b4\ub85c \uc77c\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub294 JVM\uc5d0\uc11c \ucd5c\ucd08\uc758 \uc644\uc804 \ubc18\uc751\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ub4dc\ub77c\uc774\ubc84 \uc911 \ud558\ub098\uc778 Couchbase Java SDK\uc758 \uc124\uacc4\uc790\uc774\uc790 \uc720\uc9c0 \uad00\ub9ac\uc790\uc785\ub2c8\ub2e4. \ub610\ud55c Couchbase Spark Connector\ub97c \uc791\uc131\ud558\uace0 \uc720\uc9c0 \uad00\ub9ac\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. Michael\uc740 \uc624\ud508 \uc18c\uc2a4 \ucee4\ubba4\ub2c8\ud2f0\uc5d0\uc11c \ud65c\ubc1c\ud788 \ud65c\ub3d9 \uc911\uc774\uba70, RxJava \ubc0f Netty\uc640 \uac19\uc740 \ub2e4\uc591\ud55c \ud504\ub85c\uc81d\ud2b8\uc5d0 \uae30\uc5ec\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4."}],"_links":{"self":[{"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/posts\/2080","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/comments?post=2080"}],"version-history":[{"count":0,"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/posts\/2080\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/media\/13873"}],"wp:attachment":[{"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/media?parent=2080"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/categories?post=2080"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/tags?post=2080"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/ppma_author?post=2080"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}