{"id":10035,"date":"2021-10-18T09:00:27","date_gmt":"2021-10-18T00:00:27","guid":{"rendered":"https:\/\/jennifersoft.com\/ko\/?p=10035"},"modified":"2023-12-22T16:18:11","modified_gmt":"2023-12-22T07:18:11","slug":"2021-10-18","status":"publish","type":"post","link":"https:\/\/jennifersoft.com\/ko\/blog\/tech\/2021-10-18\/","title":{"rendered":"\uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4 \uc0d8\ud50c\ub9c1\uc744 \uc774\uc6a9\ud55c \uc131\ub2a5 \ubd84\uc11d"},"content":{"rendered":"\n<figure class=\"wp-block-image big\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/Property-116-3.gif\" alt=\"\" class=\"wp-image-10203\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uac1c\ubc1c\uc790 Y\uc528\uac00 \ub2e4\ub2c8\ub294 J\uc0ac\ub294 \uc624\ub798\ub41c \ubc84\uc804\uc758 \uc124\uce58\ud615 \uc81c\ud488 Jira \ub97c \uc0ac\uc6a9\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IDC \uc5b4\ub518\uac00\uc5d0 \uc124\uce58\ub418\uc5b4 \uc788\uace0 \uc7a5\ube44\uac00 \ub178\ud6c4\ub41c \uac83\uc744 \uc775\ud788 \uc54c\uace0 \uc788\uc5c8\uc9c0\ub9cc \ud558\ub4dc\uc6e8\uc5b4 \ub2e8\uc704\ub85c \ud560\ub2f9\ub41c \ub77c\uc774\uc13c\uc2a4 \uc815\ucc45 \ub54c\ubb38\uc5d0 \uc5c5\uadf8\ub808\uc774\ub4dc\ub3c4 \uc0c8\ub85c\uc6b4 \uacf3\uc5d0 \uc124\uce58\ud558\uae30\ub3c4 \uc5b4\ub824\uc6b4 \uc0c1\ud669\uc785\ub2c8\ub2e4.<br>\uac04\ud639 \ub108\ubb34\ub098\ub3c4 \ub290\ub824\uc9c0\ub294 \uc751\ub2f5\uc18d\ub3c4\uc5d0 \ub9c8\uc74c\uc774 \ub2f5\ub2f5\ud55c Y\uc528 (\ub3c4\ub300\uccb4 \uc65c \ub290\ub9b0\uac70\uc57c!) \ud83d\ude24<br>\ud68c\uc0ac\uc5d0\uc11c \uac1c\ubc1c\ud558\uace0 \uc788\ub294 APM \uc744 \uc124\uce58\ud558\uc5ec \uba54\uc18c\ub4dc \ud504\ub85c\ud30c\uc77c\uc744 \uc2dc\ub3c4\ud558\ub824 \ud558\uc9c0\ub9cc \uc774\ub0b4 \uace7 \uc88c\uc808\ud558\uace0 \ub9d9\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8220;\uc5b4\ub5a4 \ud328\ud0a4\uc9c0\ub97c \uc124\uc815\ud574\uc57c \ud558\uc9c0?&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8220;\uc77c\ub2e8 \ubaa8\ub2c8\ud130\ub9c1 \ud574\ubcf4\uc790!&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Y\uc528\ub294 \uc124\uce58\ud55c APM\uc758 \ud575\uc2ec \uae30\ub2a5\uc778 X-View \ucc28\ud2b8\uc5d0\uc11c Y \ucd95\uc758 \uc0c1\ub2e8\uc5d0 \uc704\uce58\ud55c \ud2b8\ub79c\uc7ad\uc158\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4. (\uc624\uc624..)<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"860\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-01-1-750x860.png\" alt=\"\" class=\"wp-image-10129\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-01-1-750x860.png 750w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-01-1-261x300.png 261w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-01-1.png 978w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><figcaption>X-View\ucc28\ud2b8 Y\ucd95 \uc0c1\ub2e8\uc5d0 \ucc0d\ud78c \ud2b8\ub79c\uc7ad\uc158<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud55c\uaecf \uae30\ub300\uc5d0 \ubd80\ud47c \ub9c8\uc74c\uc73c\ub85c \ucc28\ud2b8\uc758 \ucc9c\uc7a5\uc744 \ub6ab\uc744\uac83\ub9cc \uac19\uc740 \uc810\uc744 \ub4dc\ub798\uadf8 \ud574\ubd05\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"110\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-02-1-1024x110.png\" alt=\"\" class=\"wp-image-10127\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-02-1-1024x110.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-02-1-300x32.png 300w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-02-1.png 1374w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>&nbsp;12\ucd08 \uc774\uc0c1\uc758 Not Profiled \uc601\uc5ed\uc774 \uc874\uc7ac\ud569\ub2c8\ub2e4.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">&#8220;\ud2b8\ub79c\uc7ad\uc158\uc774 \ub05d\ub0a0 \ubb34\ub835 12\ucd08 \uc774\uc0c1 \uc2dc\uac04\uc774 \uac78\ub9ac\uace0 \uc788\ub124.. \uc6d0\uc778\uc774 \ubb58\uae4c?&#8221; \ud83e\uddd0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc9c0\uc5f0\ub418\ub294 \uc601\uc5ed\uc774 SQL, HTTP \ud638\ucd9c\uacfc \uac19\uc740 \uc804\ud1b5\uc801\uc778 \ubcd1\ubaa9 \uc9c0\uc810\uc774 \uc544\ub2c8\uc5c8\uae30\uc5d0 \ub9c8\uc74c\ub9cc \ub2f5\ub2f5\ud574\uc9d1\ub2c8\ub2e4. Jira \ub77c\ub294 \uc81c\ud488\uc774 \uc544\ud2c0\ub77c\uc2dc\uc548\uc774\ub77c\ub294 \ud68c\uc0ac\uc5d0\uc11c \uac1c\ubc1c\ub41c \uac83\uc744 \uc54c\uace0 \uc788\uc73c\ub2c8 com.atlassian \ud328\ud0a4\uc9c0\ub97c \ub300\uc0c1\uc73c\ub85c \ud504\ub85c\ud30c\uc77c \uc124\uc815\uc744 \ud574\ubd05\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"312\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-03-1-1024x312.png\" alt=\"\" class=\"wp-image-10135\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-03-1-1024x312.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-03-1-300x91.png 300w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-03-1.png 1378w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\ude31 \ud5c9.. \uc124\uc815\uc744 \ud55c \uc21c\uac04 \uc2dc\uc2a4\ud15c CPU \uc0ac\uc6a9\ub960\uc774 52% \ub97c \ub118\uace0 \uc788\uc2b5\ub2c8\ub2e4!<br>\uc870\ub9c8\uc870\ub9c8\ud55c \ub9c8\uc74c\uc744 \uac00\ub77c \uc549\ud788\uace0 \uc7a0\uc2dc \ud6c4 X-View \ucc28\ud2b8\ub97c \ub4dc\ub798\uadf8 \ud574\ubd05\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Y\uc528 \uacfc\uc5f0 \uc6d0\uc778\uc744 \ud30c\uc545\ud560 \uc218 \uc788\uc744\uae4c\uc694?<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"566\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-04-1024x566.png\" alt=\"\" class=\"wp-image-10137\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-04-1024x566.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-04-300x166.png 300w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-04.png 1242w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc544.. \ubb34\uc218\ud55c \uba54\uc18c\ub4dc\ub4e4\uc774 \ud504\ub85c\ud30c\uc77c\ub9c1 \ub418\uc5c8\uc9c0\ub9cc \uc548\ud0c0\uae5d\uac8c\ub3c4 \ub300\ubd80\ubd84 0ms, 1ms \uc18c\uc694\ub41c \uba54\uc18c\ub4dc\ub4e4\uc774 \ubcf4\uc785\ub2c8\ub2e4. \uac70\uae30\uc5d0 X-View \ucc28\ud2b8\ub97c \ubcf4\ub2c8 \uc11c\ube44\uc2a4\uc758 \uc751\ub2f5\uc2dc\uac04\uc774 \ub9ce\uc774 \ub290\ub824\uc9c0\uace0 \uc788\ub124\uc694.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-05.png\" alt=\"\" class=\"wp-image-10139\" width=\"373\" height=\"332\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-05.png 746w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-05-300x267.png 300w\" sizes=\"auto, (max-width: 373px) 100vw, 373px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Y\uc528\ub294 \uc774\uc81c \ubd80\uc7a5\ub2d8\uaed8 \ud63c\uc774 \ub0a0\uc9c0\ub3c4 \ubaa8\ub974\uaca0\uc2b5\ub2c8\ub2e4. (\ud798\ub0b4\uc694!)\ud83e\udd7a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub807\ub2e4\uba74 \ud504\ub85c\ud30c\uc77c\ub9c1\uc744 \uc2dc\ub3c4\ud55c \uac83\uc740 \uacfc\uc5f0 \uc798\ubabb\ub41c \ubc29\ubc95\uc77c\uae4c\uc694?<br>\uc9c0\uc5f0\uc758 \uc6d0\uc778\uc774 \uc124\uc815\ud55c \ud328\ud0a4\uc9c0 \ub0b4\uc758 \uc5b4\ub5a4 \ud074\ub798\uc2a4\uc758 \uba54\uc18c\ub4dc\uc600\ub2e4\uba74 \uc6d0\uc778\uc744 \ucc3e\uc744 \uc218 \uc788\uc744\uc9c0\ub3c4 \ubaa8\ub985\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud558\uc9c0\ub9cc \ud604\ub300\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc740 \uc0ac\uc6a9\uc790\uac00 \uac1c\ubc1c\ud55c \ud2b9\uc815 \uba54\uc18c\ub4dc\uc758 \uc131\ub2a5\uc774 \ub9e4\uc6b0 \ub098\ube60 \uc751\ub2f5\uc2dc\uac04\uc5d0 \ud070 \uc601\ud5a5\uc744 \uc8fc\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<br>\ub300\ubd80\ubd84\uc758 \ud658\uacbd\uc5d0\uc11c\ub294 \uc774\ubbf8 \uc798 \uc900\ube44\ub41c \ud504\ub808\uc784\uc6cc\ud06c\ub97c \uc774\uc6a9\ud558\uc5ec \uac1c\ubc1c\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<br>\uc2e4\uc81c\ub85c com.atlassian \ud328\ud0a4\uc9c0\ub97c \ud504\ub85c\ud30c\uc77c\ub9c1 \ud558\uba74 \ub208\uc5d0 \ub744\ub294 \ud504\ub85c\ud30c\uc77c \uc815\ubcf4\ub97c \ud655\uc778\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. <br>\ub0b4\ubd80\uc801\uc73c\ub85c \uce90\uc2dc\ub4e4\uc744 \uc900\ube44\ud574 \ub193\uc558\uc744 \uac83\uc774\uace0 \uc774\uac83\ub4e4\uc740 \uc131\ub2a5 \ubb38\uc81c\ub85c \uc774\uc5b4\uc9c8 \uac00\ub2a5\uc131\uc774 \ub0ae\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc624\ub798 \uac78\ub9b0 SQL \ud639\uc740 HTTP \ud638\ucd9c\uc774\ub77c\ub3c4 \uc788\ub2e4\uba74 \uc6d0\uaca9\uc9c0\uc758 \ub300\uc0c1\uc744 \uc0c1\ub300\ub85c \ud29c\ub2dd\uc744 \uc2dc\ub3c4\ub97c \ud574 \ubcfc \uc218 \uc788\uaca0\uc73c\ub098 \uad00\ub828 \uc815\ubcf4\uac00 \uc5c6\ub2e4\uba74 \uc6d0\uc778 \ud30c\uc545\uc740 \ub354\uc6b1 \uc5b4\ub824\uc6cc\uc9d1\ub2c8\ub2e4.<br>\ub85c\ub529\ub41c \ud074\ub798\uc2a4\uc5d0 \ud574\ub2f9\ud558\ub294 \ud328\ud0a4\uc9c0\ub97c \uc804\ubd80 \uc124\uc815\ud55c\ub2e4\uba74(!!) \ucc3e\uc744 \uc218\ub294 \uc788\uaca0\uc8e0.<br>\ud558\uc9c0\ub9cc \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uac00\ud574\uc9c0\ub294 \ucd94\uac00\uc801\uc778 \ubd80\ud558\uc640 \ub370\uc774\ud130 \uc591\uc73c\ub85c \uc0c1\ub2f9\ud55c \ube44\uc6a9\uc744 \uc9c0\ubd88\ud574\uc57c \ud560 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83e\udd14 \uadf8\ub807\ub2e4\uba74 \uc774\ub7f0 \uc0c1\ud669\uc5d0\uc11c\ub294 \uc5b4\ub5bb\uac8c \ubd84\uc11d\uc744 \ud574\uc57c \ud560\uae4c\uc694?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc131\ub2a5 \ubd84\uc11d \ubc29\ubc95\uc740 \ud06c\uac8c \ud504\ub85c\ud30c\uc77c\ub9c1\uacfc \uc0d8\ud50c\ub9c1 \ub450\uac00\uc9c0 \ubd84\ub958\uc758 \ubc29\ubc95\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \ud504\ub85c\ud30c\uc77c\ub9c1<br><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\ud589\ub418\ub294 \uac01 \uba54\uc18c\ub4dc\ub85c\ubd80\ud130 \uc131\ub2a5 \uc815\ubcf4\ub97c \uc218\uc9d1\ud55c \ub4a4 \uc624\ub79c \uc2dc\uac04 \uc2e4\ud589\ub41c \uba54\uc18c\ub4dc\ub97c \ucc3e\uc544 \uac1c\uc120<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"187\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/profiling-1-1024x187.png\" alt=\"\" class=\"wp-image-10190\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/profiling-1-1024x187.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/profiling-1-300x55.png 300w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/profiling-1.png 1130w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>\uac01 \uba54\uc18c\ub4dc\uc758 \uc2dc\uc791\uacfc \ub05d\uc744 \ucd94\uc801\ud558\uc5ec \uc751\ub2f5\uc2dc\uac04\uc744 \uce21\uc815\ud569\ub2c8\ub2e4.<br>Transaction1, Transaction2 \uc758 \uac00\uc7a5 \ub290\ub9b0 \uba54\uc18c\ub4dc\ub294 \uac01\uac01 Method2, Method 4 \uc785\ub2c8\ub2e4.<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">2. \uc0d8\ud50c\ub9c1<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uba54\uc11c\ub4dc \ud638\ucd9c \uc5ec\ubd80\ub97c \uc8fc\uae30\uc801\uc73c\ub85c \uc218\uc9d1\ud558\uc5ec \ud638\ucd9c \ube48\ub3c4\uac00 \ub192\uc740 \uba54\uc18c\ub4dc\ub97c \ucc3e\uc544 \uac1c\uc120<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"567\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/Stactrace-1024x567.png\" alt=\"\" class=\"wp-image-10184\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/Stactrace-1024x567.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/Stactrace-300x166.png 300w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/Stactrace.png 1256w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>\uac01 Thread\uc758 \uc2e4\ud589\uc911\uc778 Mehtod \uc2a4\ub0c5\uc0f7\uc744 \uc8fc\uae30\uc801\uc73c\ub85c \uc218\uc9d1\ud558\uc5ec \uc751\ub2f5\uc2dc\uac04\uc744 \uce21\uc815\ud569\ub2c8\ub2e4.<br>\uadf8\ub9bc\uc5d0\uc11c\ub294 Method1\uc774 \uc9c0\uc5f0\uc758 \uc6d0\uc778\uc774\ub77c \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud504\ub85c\ud30c\uc77c\ub9c1\uc740 \uc804\ud1b5\uc801\uc778 \uc131\ub2a5 \ubd84\uc11d \ubc29\ubc95\uc774\uae30\uc5d0 \uc624\ub79c \uc5ed\uc0ac\ub97c \uc790\ub791\ud569\ub2c8\ub2e4.<br>\uadf8\ub9cc\ud07c \ub300\ub2e4\uc218\uc758 \ubaa8\ub2c8\ud130\ub9c1 \uc81c\ud488\uc774 \ud504\ub85c\ud30c\uc77c\ub9c1 \uc911\uc810\uc758 \uae30\ub2a5\uc744 \uae30\ubcf8\uc801\uc73c\ub85c \uc81c\uacf5\ud569\ub2c8\ub2e4.<br>\ud558\uc9c0\ub9cc \uc644\ubcbd\ud560 \uac83\ub9cc \uac19\uc740 \uc774 \ud504\ub85c\ud30c\uc77c\ub9c1\uc5d0\ub3c4 \ub2e4\uc74c\uacfc \uac19\uc740 \ud55c\uacc4\uac00 \uc874\uc7ac\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\ubaa8\ub2c8\ud130\ub9c1 \ud560 \ub300\uc0c1 \uba54\uc18c\ub4dc\ub97c \uc0ac\uc6a9\uc790\uac00 \uc54c\uc544\uc57c \ud55c\ub2e4. (\uac1c\ubc1c\uc790\ub77c\uba74 \uadf8\ub098\ub9c8 \ub098\uc744\uc9c0\ub3c4..)<\/li><li>\ub192\uc740 \ud2b8\ub798\ud53d\uc744 \ubc1b\ub294 \uc6b4\uc601 \ud658\uacbd\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \uc0ac\uc6a9\uc2dc \uc131\ub2a5\uc5d0 \uc601\ud5a5\uc744 \uc900\ub2e4. (\uc2e4\uc218\ub85c \ud074\ub798\uc2a4\uac00\ub9ce\uc740 \ud328\ud0a4\uc9c0\ub77c\ub3c4 \uc124\uc815\ud558\ub294 \ub0a0\uc5d0\ub294..?)<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\ud558\uc9c0\ub9cc \uc9c4\uc815\ud55c \uc131\ub2a5 \uac1c\uc120\uc744 \uc704\ud55c \ud2b8\ub798\ud53d\uc740 \uc6b4\uc601 \ud658\uacbd\uc5d0\uc11c\ub9cc \ubc1c\uc0dd\ud558\ub294 \ubc95.<br>\uc5b4\ub5a4 \uc0c1\ud669\uc5d0\uc11c\ub77c\ub3c4 \ubaa8\ub2c8\ud130\ub9c1 \ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc774 \uc788\ub2e4\uba74 \ud504\ub85c\ud30c\uc77c\ub9c1\uc758 \ud55c\uacc4\ub97c \ubcf4\uc644\ud560 \uc218 \uc788\uaca0\uc8e0? <br>\uadf8 \ubc29\ubc95 \uc911 \ud558\ub098\uac00 \uc55e\uc11c \uc18c\uac1c\ud55c <strong>\uc0d8\ud50c\ub9c1<\/strong> \uc785\ub2c8\ub2e4.<br>\uac1c\ubcc4 \uba54\uc18c\ub4dc\ub97c \uc9c1\uc811 \ucd94\uc801\ud558\uc9c0 \uc54a\uace0 \uba54\uc18c\ub4dc\uc758 \ud638\ucd9c \uadfc\uc6d0\uc9c0\uc778 \uac01 \uc2a4\ub808\ub4dc\ub85c\ubd80\ud130 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\ub97c \uc8fc\uae30\uc801\uc73c\ub85c \uc218\uc9d1\ud558\uc5ec \ub4f1\uc7a5 \ube48\ub3c4\uc218\ub97c \uae30\ubc18\uc73c\ub85c \ubcd1\ubaa9\uc9c0\uc810\uc744 \ucc3e\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4.<br>(\uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\ub97c 100ms \uc8fc\uac00\ub85c 3\ubc88 \uc218\uc9d1\ud588\uc744\ub54c a \ub77c\ub294 \uba54\uc18c\ub4dc\uac00 3\ubc88 \ubaa8\ub450 \ub4f1\uc7a5\ud588\ub2e4\uba74 a \uba54\uc18c\ub4dc\ub294 300ms \ub3d9\uc548 \uc2e4\ud589\ub418\uc5c8\ub2e4\uace0 \uac04\uc8fc\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.)<br>\ud504\ub85c\ud30c\uc77c\ub9c1 \ubc29\ubc95\uc5d0 \ube44\ud558\uc5ec \uc815\ud655\ub3c4\ub294 \ub2e4\uc18c \ub5a8\uc5b4\uc9c0\uc9c0\ub9cc \uc0c1\ub300\uc801\uc73c\ub85c \uc131\ub2a5\uc5d0 \uc791\uc740 \uc601\ud5a5\uc744 \ubbf8\uce58\uba70 \ub370\uc774\ud130\ub97c \uc218\uc9d1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucc98\ub9ac \uc9c0\uc5f0\uc744 \uc720\ubc1c\ud558\ub294 \uc8fc \uc6d0\uc778\uc73c\ub85c\ub294 \uc5b4\ub5a4 \uac83\ub4e4\uc774 \uc788\uc744\uae4c\uc694?<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>CPU \uc790\uc6d0\uc744 \ub9ce\uc774 \uc18c\ubaa8\ud558\ub294 \uba54\uc18c\ub4dc<\/li><li>I\/O \ub97c \ub3d9\uae30\ub85c \ucc98\ub9ac\ud558\ub294 \uba54\uc18c\ub4dc<\/li><li>\ud06c\uae30\uac00 \ud070 \uceec\ub809\uc158 \uac1d\uccb4\ub97c \uc774\ud130\ub808\uc774\uc158 \ud558\ub294 \uba54\uc18c\ub4dc<\/li><li>\ubd88\ud544\uc694\ud558\uac8c \uc2a4\ub808\ub4dc \ub3d9\uae30\ud654 \ucc98\ub9ac\ub41c \uba54\uc18c\ub4dc<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\ub97c \uc774\uc6a9\ud55c \uc0d8\ud50c\ub9c1 \ubc29\ubc95\uc744 \uc774\uc6a9\ud558\uba74 \ubcc4\ub2e4\ub978 \uc124\uc815\uc5c6\uc774 \uc704 \ud56d\ubaa9\uc5d0 \ud574\ub2f9\ud558\ub294 \uba54\uc18c\ub4dc\ub97c \uc27d\uac8c \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. CPU\ub97c \ub9ce\uc774 \uc18c\ubaa8\ud558\ub4e0 I\/O \ucc98\ub9ac\ub97c \ud558\ub4e0 \uacb0\uad6d \uc624\ub79c\uc2dc\uac04 \uc2e4\ud589\ub418\ub294 \uba54\uc18c\ub4dc\ub294 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\uc5d0 \ubc18\ubcf5\uc801\uc73c\ub85c \ub098\ud0c0\ub098\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ubb3c\ub860 \uc0d8\ud50c\ub9c1 \uc5ed\uc2dc \uc0c8\ub85c\uc6b4 \ubd84\uc11d \ubc29\ubc95\uc774 \uc544\ub2c8\uae30 \ub54c\ubb38\uc5d0 \uae30\uc874\uc5d0\ub3c4 \uc0ac\uc6a9\ud558\uae30 \uc88b\uc740 \uc5ec\ub7ec\uac00\uc9c0 \ub3c4\uad6c\ub4e4\uc774 \uc874\uc7ac\ud569\ub2c8\ub2e4.<br>\uc800\ub294 VisualVM \uc744 \uc8fc\ub85c \uc0ac\uc6a9\ud558\ub294\ub370 \uc2a4\ub808\ub4dc\ubcc4 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\ub97c \uc8fc\uae30\uc801\uc73c\ub85c \uc218\uc9d1\ud558\uc5ec \ud638\ucd9c \ube48\ub3c4\ub97c \ubcf4\uae30 \uc88b\uac8c \ud45c\uc2dc\ud558\uc5ec \ubcd1\ubaa9\uc9c0\uc810\uc744 \uc27d\uac8c \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/Stack-trace06-1024x576.png\" alt=\"\" class=\"wp-image-10046\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/Stack-trace06-1024x576.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/Stack-trace06-300x169.png 300w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc131\ub2a5\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc774 \ub9e4\uc6b0 \uc801\uae30 \ub54c\ubb38\uc5d0 \ud2b8\ub798\ud53d\uc774 \ub192\uc740 \uc6b4\uc601 \ud658\uacbd\uc5d0\uc11c\ub3c4 \ubd80\ub2f4\uc5c6\uc774 \uc774\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.&nbsp;\uc2e4\uc81c\ub85c \uc81c\uac00 \ub2f4\ub2f9\ud558\uace0 \uc788\ub294 APM \uc218\uc9d1 \uc11c\ubc84\uc758 \uc131\ub2a5 \uac1c\uc120\uc5d0\ub3c4 \uc5ec\ub7ec \ucc28\ub840 \uc720\uc6a9\ud558\uac8c \uc4f0\uc600\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub807\uac8c \uc2dc\uac04\uc774 \ud758\ub7ec\ud758\ub7ec.. \ubb38\ub4dd \uc774\ub7f0 \uc0dd\uac01\uc774 \ub4e4\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83e\uddd0 <em>&#8220;\uc774\ub7f0 \ud234\uc740 \uace0\uac1d\uc0ac \ub0b4\uc5d0\uc11c \uc27d\uac8c \uc0ac\uc6a9\uc744 \ud560 \uc218 \uc5c6\ub294\ub370.. (\ubcf4\uc548\ub4f1 \uc5ec\ub7ec \uc774\uc720\uac00 \uc788\ub2e4\uace0 \ud569\ub2c8\ub2e4.)<br>\uc0d8\ud50c\ub9c1 \ubd84\uc11d \ubc29\ubc95\uc73c\ub85c \uc5bb\uc740 \uc774 \ud6a8\uacfc\ub97c \uc6b0\ub9ac \uc81c\ud488\uc758 \uc0ac\uc6a9\uc790\ub4e4\ub3c4 \ub290\ub07c\uba74 \uc88b\uaca0\ub2e4.&#8221;<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83e\udd14 <em>&#8220;\ud558.. \uc815\ub9d0 \uc88b\uc740\ub370 \uc5b4\ub5bb\uac8c \uc124\uba85\ud560 \ubc29\ubc95\uc774 \uc5c6\ub124..&#8221;<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\ude00 <em>&#8220;\uc5d0\uc787. \uadf8\ub0e5 \uc6b0\ub9ac \uc81c\ud488\uc5d0\uc11c \uc774\ub7f0 \ubc29\ubc95\uc744 \uc81c\uacf5\ud558\uba74 \uc548\ub420\uae4c?!&#8221;<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud2b8\ub79c\uc7ad\uc158\uc5d0\uc11c \uc218\uc9d1\ub41c <br>\uac1c\ubcc4 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4 \ud655\uc778\ud558\uae30<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc81c\ub2c8\ud37c \uc5ed\uc2dc \uc55e\uc11c \uc774\uc57c\uae30 \ud55c \ud504\ub85c\ud30c\uc77c\ub9c1\uc758 \ud55c\uacc4\ub85c\ubd80\ud130 \uc790\uc720\ub86d\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc2dc\uac04\uc73c\ub85c \uc6d0\ud558\ub294 \uba54\uc18c\ub4dc\ub97c \uc190\uc27d\uac8c \ud504\ub85c\ud30c\uc77c\ub9c1 \ud560 \uc218 \uc788\uc9c0\ub9cc \uacb0\uad6d \uc5b4\ub514\ub97c \ubd10\uc57c\ud560\uc9c0 \uc54c\uc544\uc57c \ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ubb3c\ub860 \uc774\ub97c \ubcf4\uc644\ud558\uae30 \uc704\ud55c \uc5ec\ub7ec\uac00\uc9c0 \ubc29\ubc95\uc774 \uc900\ube44\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc8fc\ub85c \uc2e4\uc2dc\uac04\uc73c\ub85c \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4 \uc815\ubcf4\ub97c \uc5bb\uc740 \ub4a4 \ud504\ub85c\ud30c\uc77c\ub9c1 \ud560 \ub300\uc0c1\uc744 \ucc3e\uac8c \ub429\ub2c8\ub2e4. <\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\uc18c\ucf13 \ubaa8\ub2c8\ud130\ub9c1 \uae30\ub2a5\uc744 \uc774\uc6a9\ud558\uc5ec \ud2b9\uc815 \ud3ec\ud2b8\uc758 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\ub85c\ubd80\ud130 \ud504\ub85c\ud30c\uc77c \ub300\uc0c1 \uc120\ubcc4<\/li><li>\uc2a4\ub808\ub4dc \ubaa8\ub2c8\ud130\ub9c1 \uae30\ub2a5\uc744 \uc774\uc6a9\ud558\uc5ec \ud2b9\uc815 \uc2a4\ub808\ub4dc\uc758 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\ub85c\ubd80\ud130 \ud504\ub85c\ud30c\uc77c \ub300\uc0c1 \uc120\ubcc4<\/li><li>\ub2e4\uc774\ub098\ubbf9 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4 \uae30\ub2a5\uc744 \uc774\uc6a9\ud558\uc5ec \ud2b9\uc815 \ud074\ub798\uc2a4 \ud639\uc740 \uba54\uc11c\ub4dc\ub97c \ud638\ucd9c\ud55c \uc9c0\uc810\uae4c\uc9c0\uc758 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\ub97c \uc5bb\uc740 \ub4a4 \ud504\ub85c\ud30c\uc77c \ub300\uc0c1 \uc120\ubcc4<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc704 \ubc29\ubc95\uc744 \uc774\uc6a9\ud574\ub3c4 \ucc3e\uc9c0 \ubabb\ud55c \ud638\ucd9c \uad6c\uac04\uc740 X-View \uc0c1\uc138\ubcf4\uae30 \ud31d\uc5c5\uc5d0\uc11c Not Profiled \uc601\uc5ed\uc73c\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"765\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-06-1-1024x765.png\" alt=\"\" class=\"wp-image-10145\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-06-1-1024x765.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-06-1-300x224.png 300w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-06-1.png 1210w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\uc870\uae08\uc774\ub77c\ub3c4 \uc2dc\uac04\uc774 \uae38\uac8c \uc18c\uc694\ub41c Not Profiled \uc601\uc5ed\uc774 \uc788\ub2e4\uba74 \ubaa8\ub2c8\ud130\ub9c1\uc744 \ud558\ub294 \uc785\uc7a5\uc5d0\uc11c \ub2f9\uc5f0\ud788 \ud574\ub2f9 \uad6c\uac04\uc5d0\uc11c \uc788\uc5c8\ub358 \uc77c\uc744 \ud655\uc778\ud558\uace0 \uc2f6\uc744 \uac83\uc774\ub77c\uace0 \uc0dd\uac01\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub798\uc11c \ud2b8\ub79c\uc7ad\uc158\ubcc4 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\ub97c \uc218\uc9d1\ud558\uc5ec \uc218\uc9d1 \uc2dc\uac04\uc758 \uc5ed\uc21c\uc73c\ub85c \ub098\uc5f4\ud574\uc11c \ubcf4\uc5ec\uc8fc\uae30\ub85c \ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"675\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-07-1024x675.png\" alt=\"\" class=\"wp-image-10143\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-07-1024x675.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-07-120x80.png 120w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-07-300x198.png 300w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-07.png 1228w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2dc\uac04 \uc21c\uc11c\ub300\ub85c \ub098\uc5f4\ub41c \uc2a4\ud0dd\ub4e4\uc744 \ud558\ub098\ud558\ub098 \uc0b4\ud3b4\ubcf4\uba74 \ud2b8\ub79c\uc7ad\uc158 \ub0b4\uc5d0\uc11c \uc5b4\ub5a4 \ub3d9\uc791\uc774 \uc788\uc5c8\ub294\uc9c0 \ud655\uc778 \uac00\ub2a5\ud569\ub2c8\ub2e4. <br>\uc704 \uc2a4\ud06c\ub9b0\uc0f7\uc758 \ud2b8\ub79c\uc7ad\uc158\uc740 \ub300\ubd80\ubd84 Thread.sleep() \uba54\uc18c\ub4dc\ub97c \uc9c0\uc18d\uc801\uc73c\ub85c \ud638\ucd9c\ud558\uace0 \uc788\ub124\uc694.<br>\uac1c\ubc1c\uc790\uac00 \ub370\ubaa8\ud658\uacbd \uad6c\uc131\uc744 \uc704\ud574 \uc778\uc704\uc801\uc73c\ub85c \ub123\uc740 \ub3d9\uc791\uc73c\ub85c \ucd94\uce21\ud574 \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br>jsp \uc758 \ucef4\ud30c\uc77c \ub41c \ud074\ub798\uc2a4\uc758 \uba54\uc18c\ub4dc\ub97c \ud504\ub85c\ud30c\uc77c\ub9c1 \ud558\uba74 jspService \uba54\uc11c\ub4dc\uac00 \uc624\ub79c \uc2dc\uac04 \uc18c\uc694\ub418\uc5c8\ub2e4\ub294 \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc744\ubfd0 \uadfc\ubcf8\uc801\uc778 \uc6d0\uc778\uc740 \uc2e4\uc81c \ucf54\ub4dc\ub97c \ud655\uc778\ud558\uace0 \ub098\uc11c\uc57c \ud30c\uc545\ud560 \uc218 \uc788\uc5c8\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud2b8\ub79c\uc7ad\uc158\uc5d0\uc11c \uc218\uc9d1\ub41c <br>\uc5ec\ub7ec\uac1c\uc758 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4 \uc2dc\uac01\ud654<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc55e\uc11c \uc608\ub85c \ub4e0 \ud2b8\ub79c\uc7ad\uc158\uc740 \ube44\uad50\uc801 \uac04\ub2e8\ud55c \ub0b4\uc6a9\uc744 \uc218\ud589\ud558\uae30\uc5d0 \ubaa9\ub85d\uc73c\ub85c \ub098\uc5f4\ub41c \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\ub9cc\uc73c\ub85c\ub3c4 \ub300\ub7b5\uc801\uc778 \uc6d0\uc778\uc744 \ud30c\uc545\ud560 \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4.<br>\uadf8\ub7ec\ub098 \ub9cc\uc57d \uc624\ub79c \uc2dc\uac04\ub3d9\uc548 \uc2e4\ud589\ub41c \ud2b8\ub79c\uc7ad\uc158\uc5d0\uc11c \uc5ec\ub7ec \uc885\ub958\uc758 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\uac00 100\uac1c \uac00\ub7c9 \uc218\uc9d1\ub418\uc5c8\uc744 \uacbd\uc6b0 \ub9ce\uc740 \uac1c\ubcc4 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\ub97c \ud558\ub098\ud558\ub098 \ub2e4 \ud655\uc778\ud574\uc57c\ub9cc \ud558\ub294 \ubd88\ud3b8\ud568\uc774 \uc788\uc2b5\ub2c8\ub2e4.<br>\uc81c\ub2c8\ud37c\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c \uc0c1\ud669\uc5d0\uc11c \uc870\uae08 \ub354 \ubd84\uc11d\uc744 \uc27d\uac8c \ud560 \uc218 \uc788\ub3c4\ub85d \ub450\uac00\uc9c0 \uc870\ud68c \ubc29\ubc95\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\uc694\uc57d\ubcf4\uae30<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uc694\uc57d\ubcf4\uae30\ub294 \uac01\uac01\uc758 \uba54\uc18c\ub4dc \ud638\ucd9c \uad00\uacc4\ub97c \ubd84\uc11d, \uc694\uc57d\ud558\uc5ec \ud2b8\ub9ac \uad6c\uc870\ub85c \ud45c\ud604\ud569\ub2c8\ub2e4. \ud2b8\ub9ac\ub85c \ud45c\uc2dc\ub41c \uac01\uac01\uc758 \ub124\ubaa8 \ub9c9\ub300\ub294 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4 \ub0b4\uc758 \uba54\uc18c\ub4dc\ub97c \ub098\ud0c0\ub0b4\uba70 \ub2e4\uc74c\uacfc \uac19\uc740 3\uac1c\uc758 \uc815\ubcf4\ub97c \uac16\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. \uc751\ub2f5\uc2dc\uac04<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc751\ub2f5\uc2dc\uac04\uc740 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4 \ub0b4\uc5d0\uc11c \ud55c \ubc88\uc774\ub77c\ub3c4 \ub4f1\uc7a5\ud55c \uacbd\uc6b0 \uce21\uc815\ub418\ub294 \uc218\uce58\uc785\ub2c8\ub2e4.<br>\ub4f1\uc7a5 \ud69f\uc218 x \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\uc758 \uce21\uc815 \uc8fc\uae30\ub85c \uacc4\uc0b0\ub418\uba70 \uc751\ub2f5\uc2dc\uac04\uc774 \ud070 \uba54\uc18c\ub4dc\ub294 \uc2dc\uc2a4\ud15c \uc131\ub2a5\uc758 \ubcd1\ubaa9\uc9c0\uc810\uc758 \uc9c4\uc785\uc810\uc73c\ub85c \ud310\ub2e8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. Self \uc2dc\uac04<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Self \uc2dc\uac04\uc740 \uba54\uc18c\ub4dc\uac00 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\uc5d0\uc11c \uac00\uc7a5 \uc0c1\ub2e8\uc5d0 \uc704\uce58\ud55c \uacbd\uc6b0 \uce21\uc815\ub418\ub294 \uc218\uce58\uc785\ub2c8\ub2e4. \uc989, \ud604\uc7ac \uc2e4\ud589\uc911\uc778 \uba54\uc18c\ub4dc\uc774\uba70 \uc774 \uc218\uce58\uac00 \ud06c\ub2e4\uba74 \uc2dc\uc2a4\ud15c\uc758 \ubcd1\ubaa9\uc9c0\uc810\uc77c \uac00\ub2a5\uc131\uc774 \ub192\uc2b5\ub2c8\ub2e4. I\/O \ub97c \ubc1c\uc0dd\uc2dc\ud0a4\ub294 \uba54\uc18c\ub4dc\uac00 \uc8fc\ub97c \uc774\ub8e8\uba70 \uacbd\uc6b0\uc5d0 \ub530\ub77c CPU \ub97c \ub9ce\uc774 \uc18c\ubaa8\ud558\ub294 \uba54\uc18c\ub4dc\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. Retained Self \uc2dc\uac04<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Reatined Self \uc2dc\uac04\uc740 \ud558\ub098\uc758 \uba54\uc18c\ub4dc\uac00 \ud638\ucd9c\ud55c \ub2e4\ub978 \uba54\uc18c\ub4dc\uac00 \uac00\uc9c4 Self \uc2dc\uac04\uc758 \ud569\uc785\ub2c8\ub2e4.<br>\uc774 \uc218\uce58\uac00 \ud06c\uba74 \uc774 \uba54\uc18c\ub4dc\uac00 \ud638\ucd9c\ud55c \uc5b4\ub5a4 \uba54\uc18c\ub4dc\uac00 \uc2a4\ub808\ub4dc\uc5d0\uc11c \uc2e4\ud589\uc911\uc774\uc5c8\ub358 \uac83\uc73c\ub85c \uac04\uc8fc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. Self \uc2dc\uac04\uc744 \uac16\ub294 \uba54\uc18c\ub4dc\uc758 \uc9c4\uc785\uc810\uc744 \ucc3e\ub294 \ubaa9\uc801\uc73c\ub85c \uc4f0\uc785\ub2c8\ub2e4.<br>\uba3c\uc800 Retained Self \uc2dc\uac04\uc774 \ud070 \ub178\ub4dc(\ud30c\ub780\uc0c9)\ub97c \uc911\uc810\uc73c\ub85c \ucc3e\uace0 \uadf8 \ud558\uc704\uc758 Self \uc2dc\uac04\uc774 \ud070 \ub178\ub4dc(\ub178\ub780\uc0c9)\uc744 \ucc3e\uc73c\uba74 \uc2e4\ud589\uc911\uc774\uc5c8\ub358 \uba54\uc18c\ub4dc\ub97c \uc27d\uac8c \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Flame Chart<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Brandon Gregg \uc5d0 \uc758\ud574 \uc81c\uc548\ub41c \ucc28\ud2b8\ub97c \uc774\uc6a9\ud55c \uc2dc\uac01\ud654 \ubc29\ubc95\uc785\ub2c8\ub2e4.<br>\ud558\ub098\uc758 \uc138\ub85c \uc904\uae30\ub294 \ud55c \uc885\ub958\uc758 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4 \uc785\ub2c8\ub2e4. \ud558\ub098\uc758 \ub178\ub4dc \uc704\uc5d0 \uc5ec\ub7ec\uac1c\uc758 \ub178\ub4dc\uac00 \uc788\uc744 \uacbd\uc6b0 \uadf8 \uc2dc\uc810\uc5d0\uc11c \ud638\ucd9c\uc774 \ubd84\uae30 \ub418\uc5c8\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Flame Chart \ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ud2b9\uc9d5\uc744 \uac16\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\uac01 \uc0c9\uc0c1\uc740 \ub3d9\uc77c\ud55c \ud328\ud0a4\uc9c0\uc758 \uba54\uc18c\ub4dc\uc784\uc744 \ub098\ud0c0\ub0c4<\/li><li>\uac01 \uc0ac\uac01\ud615\uc758 \ub113\uc774\ub294 \uc218\uc9d1 \ud69f\uc218<\/li><li>\ucc28\ud2b8\uc758 \ucd5c\ud558\ub2e8\uc5d0 \ud45c\uc2dc\ub41c \uba54\uc18c\ub4dc\ub294 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\uc758 \uc2dc\uc791\uc9c0\uc810<\/li><li>\ucc28\ud2b8\uc758 \ucd5c\uc0c1\ub2e8\uc5d0 \ud45c\uc2dc\ub41c \uba54\uc18c\ub4dc\ub294 \ud604\uc7ac \uc2e4\ud589\uc911\uc778 \uba54\uc18c\ub4dc<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc704\uc640 \uac19\uc740 \ud2b9\uc131\uc5d0 \uae30\ubc18\ud558\uc5ec \ucc28\ud2b8\uc5d0\uc11c \uac00\uc7a5 \ub113\uc740 \ubd80\ubd84\uc744 \ucc3e\uc73c\uba74 \uc870\ud68c \uae30\uac04\ub0b4\uc5d0 \uac00\uc7a5 \ub9ce\uc774 \ud638\ucd9c\ub41c \uba54\uc18c\ub4dc\ub97c \uc27d\uac8c \ucc3e\uc73c\ub974 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ucc3e\uc740 \uba54\uc18c\ub4dc\ub294 \uadf8 \uc2dc\uac04\ub300\uc758 \ud2b9\uc815 \ud604\uc0c1(CPU \uc18c\ubaa8, \uc751\ub2f5\uc2dc\uac04 \uc9c0\uc5f0)\uc758 \uc8fc\uc694 \uc6d0\uc778\uc77c \uac00\ub2a5\uc131\uc774 \ub9e4\uc6b0 \ub192\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud65c\uc6a9\uc0ac\ub840<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uc81c \ucc98\uc74c\uc5d0 \uc18c\uac1c\ud588\ub358 Y\uc528\uc758 \uc0c1\ud669\uc744 \uc81c\ub2c8\ud37c\uc758 \uac1c\uc120\ub41c \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4 \uae30\ub2a5\uc744 \uc774\uc6a9\ud574 \ubd84\uc11d\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc6b0\uc120 \ub290\ub9b0 \ud2b8\ub79c\uc7ad\uc158\uc758 \uc0c1\uc138 \uc815\ubcf4\ub97c XView \ud31d\uc5c5\uc5d0\uc11c \ud655\uc778\ud574 \ubd05\uc2dc\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"403\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-08-1024x403.png\" alt=\"\" class=\"wp-image-10148\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-08-1024x403.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-08-300x118.png 300w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-08.png 1234w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Not Profiled \ub178\ub4dc\uac00 \ub300\ubd80\ubd84\uc758 \ucc98\ub9ac \uc2dc\uac04\uc744 \ud3ec\ud568\ud558\uace0 \uc788\ub124\uc694.<br>Not Profiled \ub178\ub4dc\uc5d0 STACK-TRACE \ub77c\ub294 \ud558\uc704 \ub178\ub4dc\uac00 \uc788\ub294 \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br>\uc774\uac83\uc740 \ubaa8\ub4e0 \ud504\ub85c\ud30c\uc77c\uacfc \uc2dc\uac04 \uc815\ubcf4\ub97c \uae30\ubc18\uc73c\ub85c \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\uc758 \uc218\uc9d1 \uc704\uce58\ub97c \ud45c\uc2dc\ud55c \uac83\uc785\ub2c8\ub2e4.<br>\uc704 \ucca8\ubd80\ub41c \uc0ac\uc9c4\uc758 \uacbd\uc6b0 Not Profiled \uad6c\uac04\uc5d0\uc11c 95\uac1c\uc758 \uc2a4\ud0dd \ud2b8\ub808\uc774\uc2a4\uac00 \uc218\uc9d1 \ub418\uc5c8\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<br>\uc774\uc81c STACK-TRACE \ub178\ub4dc\ub97c \ud074\ub9ad\ud558\uba74 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4 \ud0ed\uc73c\ub85c \uc774\ub3d9\ud558\uc5ec \ub9e4\uce6d\ub418\ub294 \uc2a4\ud0dd \uadf8\ub8f9\uc774 \uc790\ub3d9\uc73c\ub85c \uc120\ud0dd \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"415\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-09-1024x415.png\" alt=\"\" class=\"wp-image-10150\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-09-1024x415.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-09-300x122.png 300w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-09.png 1228w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"595\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-10-1024x595.png\" alt=\"\" class=\"wp-image-10151\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-10-1024x595.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-10-300x174.png 300w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-10.png 1228w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>\uc120\ud0dd\ub41c \uc2dc\uac04 \uad6c\uac04\uc5d0 95\uac1c\uc758 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\uac00 \uc218\uc9d1\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc67c\ucabd\uc5d0 \ud45c\uc2dc\ub418\ub294 \uc2dc\uac04\uc740 \uc2a4\ud0dd\uc774 \uc218\uc9d1\ub41c \uc2dc\uac04\uc744 \uc758\ubbf8\ud558\uba70 \uac01\uac01\uc758 \uc0c9\uc0c1\uc740 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\uc758 \uc885\ub958\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc0c9\uc0c1\uc774 \uc5f0\uc18d\uc801\uc73c\ub85c \uc774\uc5b4\uc9c0\ub294 \uac83\uc740 \ub3d9\uc77c\ud55c \uba54\uc18c\ub4dc\uac00 \uc5f0\uc18d\uc801\uc73c\ub85c \uc2e4\ud589\uc911\uc778 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uc804 \ud0c0\uc784 \ub77c\uc778\uc758 \ud0ed\uc5d0\uc11c\ucc98\ub7fc \ud574\ub2f9 \uc2dc\uac04 \uad6c\uac04\uc5d0 95\uac1c\uc758 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\uac00 \uc874\uc7ac\ud558\ub294 \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. (\uac01 \uc2dc\uac04 \uc55e\uc5d0 \ud45c\uc2dc\ub41c \uc0c9\uc0c1\uc740 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\uc758 \uc885\ub958\ub97c \ub73b\ud569\ub2c8\ub2e4.)<br>\uac19\uc740 \uc0c9\uc73c\ub85c \uc774\uc5b4\uc9c4 \uad6c\uac04\uc774 \uc788\ub294 \uacbd\uc6b0 \uc5f0\uc18d\uc73c\ub85c \uc5ec\ub7ec\ubc88 \uc218\uc9d1\ub41c \uac83\uc774\uba70 \uc774 \uacbd\uc6b0 \uc624\ub7ab\ub3d9\uc548 \uc2e4\ud589 \ub418\uc5c8\uc74c\uc744 \uc720\ucd94\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc989 \ub290\ub9b0 \uba54\uc18c\ub4dc\uc778 \uac83\uc774\uc8e0.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ud2b8\ub79c\uc7ad\uc158\uc758 \uacbd\uc6b0 \uc720\ub3c5 String.intern() \uba54\uc18c\ub4dc\uac00 \uc5ec\ub7ec\ubc88 \ud638\ucd9c \ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2a4\ud06c\ub864\uc744 \ud558\uba74\uc11c \ub3d9\uc77c\ud55c \uc0c9\uc73c\ub85c \uc774\uc5b4\uc9c4 \ubd80\ubd84\uc744 \ucc3e\uc744 \uc218\ub3c4 \uc788\uc9c0\ub9cc \uc694\uc57d, Flame \uadf8\ub798\ud504\ub97c \uc774\uc6a9\ud558\uba74 \ub354\uc6b1 \uc27d\uac8c \uc624\ub7ab\ub3d9\uc548 \uc2e4\ud589\ub41c \uba54\uc18c\ub4dc\ub97c \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \uc694\uc57d\ubcf4\uae30<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uc694\uc57d \ubcf4\uae30\ub97c \ud074\ub9ad\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc740 \ub0b4\uc6a9\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"609\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-11-1024x609.png\" alt=\"\" class=\"wp-image-10155\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-11-1024x609.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-11-300x178.png 300w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-11.png 1228w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc218\uc9d1\ub41c 95\uac1c\uc758 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\uc5d0 \ub098\ud0c0\ub09c \uac01 \uba54\uc18c\ub4dc\uc758 \ud638\ucd9c\uad00\uacc4\ub97c \ud1b5\ud569\ud558\uc5ec \ud558\ub098\uc758 \ud2b8\ub9ac\ub85c \ud45c\ud604\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc11c \ub178\ub780\uc0c9 \ub9c9\ub300\uac00 \uac00\uc7a5 \ub113\uc740 \uc601\uc5ed\uc744 \ucc28\uc9c0\ud558\ub294 \ub178\ub4dc\ub97c \ucc3e\uc73c\uba74 \uadf8\uac83\uc774 \uac00\uc7a5 \ub9ce\uc774 \uc2e4\ud589\uc911\uc774\uc5c8\ub358, \uc989  \uac00\uc7a5 \ub290\ub9b0 \uba54\uc18c\ub4dc\uac00 \ub429\ub2c8\ub2e4. String.intern() \uba54\uc18c\ub4dc\uac00 37.89% \ub97c \ucc28\uc9c0\ud558\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. (\uc2dc\uac04\uc73c\ub85c\ub294 3.6\ucd08 \uc815\ub3c4 \uac78\ub838\uad70\uc694.)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud30c\ub780\uc0c9\uc73c\ub85c \ud45c\uc2dc\ub41c \uba54\uc18c\ub4dc\ub4e4\uc740 \uc774\ub7ec\ud55c \ub290\ub9b0 \uba54\uc18c\ub4dc\ub4e4\uc744 \ud3ec\ud568\ud55c \uba54\uc18c\ub4dc\ub4e4\uc785\ub2c8\ub2e4. \ubd84\uc11d \uad00\uc810\uc5d0 \ub530\ub77c \uc2e4\ud589\uc911\uc774\uc5c8\ub358 \uba54\uc18c\ub4dc\uac00 \uc544\ub2cc \uac00\uc7a5 \ub9ce\uc774 \ud638\ucd9c\ub41c \uba54\uc18c\ub4dc\ubd80\ud130 \ucc3e\uace0\uc790 \ud558\ub294 \uacbd\uc6b0 \uc774 \ub178\ub4dc\ub4e4\uc744 \uc911\uc810\uc801\uc73c\ub85c \ucc3e\uc544\ub098\uac00\uba74 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>2. Flame \uadf8\ub798\ud504<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ubc88\uc5d0\ub294 Flame \uadf8\ub798\ud504\ub85c \ud655\uc778\ud574\ubcfc\uae4c\uc694?<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"603\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-12-1024x603.png\" alt=\"\" class=\"wp-image-10158\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-12-1024x603.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-12-300x177.png 300w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc11c\ub294 \ud761\uc0ac \ubd88\uaf43 \ub108\uc6b8\uacfc \uac19\uc740 \ubaa8\uc2b5\uc758 \ucc28\ud2b8\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac01 \ub124\ubaa8 \uc601\uc5ed\uc758 \uc904\uae30\uc758 \ucd5c\uc0c1\ub2e8\uc5d0 \uc704\uce58\ud558\uba74\uc11c \uac00\uc7a5 \ub113\uc740 \ubd80\ubd84\uc744 \ucc28\uc9c0\ud558\ub294 \uac83\uc774 \uac00\uc7a5 \ub290\ub9b0 \uba54\uc18c\ub4dc \uc785\ub2c8\ub2e4. \ud55c\ub208\uc5d0 \ubd10\ub3c4 java.lang.String.intern() \uba54\uc18c\ub4dc\uac00 \uac00\uc7a5 \ub9ce\uc774 \uc2e4\ud589\uc911\uc774\uc5c8\ub358 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br>\ud55c\uce78 \uc544\ub798\uc758 \uba54\uc18c\ub4dc\ub294 java.lang.String.intern() \uba54\uc18c\ub4dc\ub97c \ud638\ucd9c\ud55c \uba54\uc18c\ub4dc\uc778 com.atlassian.jira.web.bean.BackingI18n.flattenResourceBundlesToMap(BackingI18n.java:658) \uba54\uc18c\ub4dc \uc785\ub2c8\ub2e4.<br>\uc774\ub807\uac8c 3\uac00\uc9c0 \ubc29\ubc95\uc744 \ud1b5\ud574 \uac00\uc7a5 \uc624\ub7ab\ub3d9\uc548 \uc2e4\ud589\uc911\uc774\uc5c8\ub358 \uba54\uc18c\ub4dc\ub294 String.intern, \uc774\uac83\uc744 \ud638\ucd9c\ud55c \uba54\uc18c\ub4dc\ub294 BackingI18n.flattenResourceBundlesToMap \uc774\ub77c\ub294 \uacb0\ub860\uc5d0 \ub3c4\ub2ec\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uc81c \uc774 \uba54\uc18c\ub4dc\ub4e4\uc774 \ub290\ub9b0 \uc774\uc720\uac00 \uad81\uae08\ud574\uc9c0\ub124\uc694.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc6b0\uc120 BackingI18n \ud074\ub798\uc2a4\ub97c \ud655\uc778\ud558\uace0 \uc2f6\uc740\ub370 \ud328\ud0a4\uc9c0 \uc774\ub984\uc744 \uc798 \ubcf4\ub2c8 atlassian, Jira \uc81c\ud488\uc758 \ucf54\ub4dc\uc785\ub2c8\ub2e4. \uc6b0\ub9ac\uac00 \uc18c\uc2a4 \ucf54\ub4dc\ub97c \uc5f4\uc5b4\ubcf4\uac70\ub098 \uc218\uc815\ud560 \uc218 \uc5c6\ub2e4\ub294 \uac83\uc774\uc8e0.<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub7fc String.intern \uba54\uc18c\ub4dc\ub97c \uc911\uc810\uc801\uc73c\ub85c \ubd84\uc11d\ud574 \ubd05\uc2dc\ub2e4.<br>\uc544\uc8fc \uae30\ubcf8\uc801\uc778 JDK \uac00 \uc81c\uacf5\ud558\ub294 \ub124\uc774\ud2f0\ube0c \uba54\uc18c\ub4dc\ub85c JVM \uc774 \uad00\ub9ac\ud558\ub294 \ubb38\uc790\uc5f4 \ud480\uc5d0 \ud30c\ub77c\ubbf8\ud130\ub85c \uc804\ub2ec\ub41c \ubb38\uc790\uc5f4\uc774 \ubb38\uc790\uc5f4 \ud480\uc5d0 \uc5c6\uc73c\uba74 \ub123\uc740 \ub4a4 \ubc18\ud658 \uc788\uc73c\uba74 \uc870\ud68c\ud558\uc5ec \ubc18\ud658\ud569\ub2c8\ub2e4.<br>\uac04\ub2e8\ud788 \ub9d0\ud574\uc11c \ub3d9\uc77c\ud55c \ubb38\uc790\uc5f4\uc744 \uc911\ubcf5\uc73c\ub85c \uc0dd\uc131\ud558\uc9c0 \uc54a\uac8c\ud558\uc5ec \uba54\ubaa8\ub9ac \uc0ac\uc6a9\ub960\uc744 \uc904\uc77c \uc218 \uc788\uac8c \ub429\ub2c8\ub2e4. \uadf8\ub7f0\ub370 \uc774\uac83\uc774 3\ucd08\ub3c4 \ub118\uac8c \uac78\ub838\ub2e4\ub2c8 \ubb54\uac00 \uc218\uc0c1\ud55c \ub290\ub08c\uc774 \ub4e4\uc9c0 \uc54a\ub098\uc694? \ud83e\udd28<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c\uacfc \uac19\uc774 \ud574\ub2f9 \uba54\uc18c\ub4dc\ub97c \ud0a4\uc6cc\ub4dc\ub85c \uac80\uc0c9\uc744 \ud574\ubd05\uc2dc\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"858\" height=\"860\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/Stack-trace14-858x860.png\" alt=\"\" class=\"wp-image-10056\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/Stack-trace14-858x860.png 858w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/Stack-trace14-300x300.png 300w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/Stack-trace14.png 1887w\" sizes=\"auto, (max-width: 858px) 100vw, 858px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uac80\uc0c9\ub41c \uccab\ubc88\uc9f8 \uacb0\uacfc\ub97c \ub4e4\uc5b4\uac00\ubcf4\ub2c8 JDK \ubc84\uc804\ubcc4\ub85c \ub2e4\ub974\uac8c \uad6c\ud604\ub418\uc5b4 \ub3d9\uc791\ud558\ub294 String.intern \uba54\uc18c\ub4dc\uc5d0 \ub300\ud55c \uc815\ubcf4\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"http:\/\/java-performance.info\/string-intern-in-java-6-7-8\/\">http:\/\/java-performance.info\/string-intern-in-java-6-7-8\/<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc704 \ub9c1\ud06c\uc758 \ub0b4\uc6a9\uc744 \uac04\ub2e8\ud558\uac8c \uc801\uc5b4\ubcf4\uba74 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>JDK6 &#8211; \ubb38\uc790\uc5f4 \ud480\uc774 PermGen \uc601\uc5ed\uc5d0\uc11c \uad00\ub9ac\ub418\uba70 \uace0\uc815 \ud06c\uae30\uc774\uae30 \ub54c\ubb38\uc5d0 \uc0ac\uc6a9\uc744 \uad8c\uc7a5\ud558\uc9c0 \uc54a\uc74c. \uc9c1\uc811 \ubb38\uc790\uc5f4 \ud480\uc744 Map \uacc4\uc5f4\ub85c \uad6c\ud604\ud558\uc5ec \uc0ac\uc6a9\ud558\ub294 \uac83\uc744 \uad8c\uc7a5\ud568<\/li><li>JDK7 &#8211; \ubb38\uc790\uc5f4 \ud480\uc774 \ud799 \uc601\uc5ed\uc5d0\uc11c \uad00\ub9ac\ub428. jdku40 \uc774\uc804\uae4c\uc9c0 \ud480\uc758 \uae30\ubcf8\ud06c\uae30 1009 \uc784. jdku40 \ubd80\ud130 60013 \uc99d\uac00\ub428<\/li><li>JDK8 &#8211;  \ubb38\uc790\uc5f4 \ud480\uc774 \ud799 \uc601\uc5ed\uc5d0\uc11c \uad00\ub9ac\ub428. \uae30\ubcf8 \ud06c\uae30 60013<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc74c? \uc0dd\uac01\ud574 \ubcf4\ub2c8 Y\uc528\uc758 \ud68c\uc0ac\uac00 \uc0ac\uc6a9\uc911\uc778 Jira \ub294 \uc0c1\ub2f9\ud55c \uad6c \ubc84\uc804\uc774\ub77c\uace0 \ud588\uc2b5\ub2c8\ub2e4.<br>\ud639\uc2dc\ub098 \ud558\uc5ec \uc0ac\uc6a9\uc911\uc778 JDK \ubc84\uc804\uc744 \ud655\uc778\ud574\ubd05\ub2c8\ub2e4. \ud83e\uddd0<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"172\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/Stack-trace15-1024x172.png\" alt=\"\" class=\"wp-image-10057\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/Stack-trace15-1024x172.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/Stack-trace15-300x50.png 300w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/Stack-trace15.png 1351w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc544.. JDK \ubc84\uc804\uc774 1.7.0_25 \uc785\ub2c8\ub2e4. \u261d\ufe0f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub807\ub2e4\uba74 \ubb38\uc790\uc5f4 \ud480\uc758 \uae30\ubcf8 \ud06c\uae30\uac00 1009 \uc774\uace0 \uc774\uac83\ubcf4\ub2e4 \ub9ce\uc740 \ubb38\uc790\uc5f4\ub4e4\uc774 \uc9c0\uc18d\uc801\uc73c\ub85c \ub204\uc801\ub418\uba74\uc11c \uc801\uc808\ud55c \ud574\uc2dc \ubd84\uc0b0\uc774 \uc774\ub8e8\uc5b4\uc9c0\uc9c0 \ubabb\ud558\uace0 \uc788\ub294 \uc0c1\ud669\uc774\ub77c\ub294 \uac00\uc815\uc744 \ud574\ubd05\uc2dc\ub2e4. (\ub9f5 \ub0b4\uc758 \ub370\uc774\ud130\uac00 \uc801\uc808\ud55c \ud574\uc2dc \uc54c\uace0\ub9ac\uc998\uc73c\ub85c \ubd84\uc0b0\ub418\uc9c0 \uc54a\uc73c\uba74 \ub370\uc774\ud130\uc758 \uac74\uc218\uac00 \ub9ce\uc544\uc9c8\uc218\ub85d \uc870\ud68c \uc18d\ub3c4\uac00 \ub290\ub824\uc9d1\ub2c8\ub2e4.)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uac83\uc774 \uc131\ub2a5 \uc800\ud558\uc758 \uc2e4\uc81c \uc6d0\uc778\uc774\ub77c\uba74 \ubb38\uc790\uc5f4 \ud480\uc758 \ud06c\uae30\ub97c \ub298\ub824\uc11c \uc5b4\ub290 \uc815\ub3c4\uc758 \uc131\ub2a5 \uac1c\uc120\uc758 \ud6a8\uacfc\ub97c \uae30\ub300\ud560 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c\uacfc \uac19\uc774 Jira \uc2e4\ud589 \uc2a4\ud06c\ub9bd\uc5d0 \ubb38\uc790\uc5f4 \ud480 \ud06c\uae30\ub97c \uc124\uc815\ud574\uc8fc\uc5c8\uc2b5\ub2c8\ub2e4. \ud06c\uae30\ub294 JDK8 \uc758 \uae30\ubcf8 \ud06c\uae30\uc640 \ub3d9\uc77c\ud55c \uc218\uce58\ub97c \uc774\uc6a9\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"59\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/Stack-trace16-1024x59.png\" alt=\"\" class=\"wp-image-10058\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/Stack-trace16-1024x59.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/Stack-trace16-300x17.png 300w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/Stack-trace16.png 1954w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uc81c Jira \ub97c \uc7ac\uc2dc\uc791 \ud6c4 \uc0c1\ud0dc\ub97c \uc9c0\ucf1c\ubcf4\uae30\ub85c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"mce_209\">\uadf8\ub85c\ubd80\ud130 \uc57d \ud55c\ub2ec \ud6c4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc635\uc158 \uc801\uc6a9 \ud6c4 Jira \uc758 \uc751\ub2f5\uc18d\ub3c4\ub294 \ud06c\uac8c \uac1c\uc120 \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc758 \ub9c8\ubb34\ub9ac\ub97c \uc9d3\uace0 \uc788\ub294 \uc774 \uc2dc\uc810\uc5d0\ub3c4 \uc804\uacfc\ub294 \ube44\uad50\ud560 \uc218 \uc5c6\uc744\ub9cc\ud07c \ucf8c\uc801 \ud558\ub2e4\uace0 \ub290\ub07c\uace0 \uc788\uc2b5\ub2c8\ub2e4. (\uac1c\uc778\uc758 \uc131\ud5a5\uc5d0 \ub530\ub77c \uc131\ub2a5 \uac1c\uc120 \uc815\ub3c4\ub294 \ucc28\uc774\uac00 \uc788\uc744 \uc218 \uc788\uaca0\uc9c0\ub9cc\uc694. \ud83d\ude42)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud639\uc2dc\ub098 \ud558\uc5ec \uc124\uc815 \ubcc0\uacbd\uc804\uc758 \uc131\ub2a5 \uc815\ubcf4\ub97c \uc81c\ub2c8\ud37c\ub85c \uc218\uc9d1\ud558\uc5ec \ub0a8\uaca8\ub193\uc558\uc2b5\ub2c8\ub2e4. \uc5b4\ub290 \uc815\ub3c4\uc758 \uac1c\uc120\uc774 \uc788\ub294\uc9c0 \uac1c\uc778\uc801\uc73c\ub85c \uad81\uae08\ud588\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uccb4\uac10\uc0c1 \ube68\ub77c\uc9c4 \ubd80\ubd84\uc744 \uc880 \ub354 \uc218\uce58\ub85c \ud655\uc778\ud558\uace0 \uc2f6\uc5b4 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ud604\ud669, \uc131\ub2a5\ube0c\ub77c\uc6b0\uc800\uc640 \uac19\uc740 \uae30\ub2a5\uc744 \uc774\uc6a9\ud574 \uc774\uc804\uacfc \ud604\uc7ac\uc758 \uc0c1\ud0dc\ub97c \ube44\uad50\ud574\ubd24\uc2b5\ub2c8\ub2e4.\ud83d\ude19<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">1. \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ud604\ud669<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uc544\ub798 \ub0b4\uc6a9\uc740 \ud638\ucd9c\uac74\uc218\ub85c \ub0b4\ub9bc\ucc28\uc21c \uc815\ub82c\ud558\uc5ec \uc870\ud68c\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"654\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-13-1-1024x654.png\" alt=\"\" class=\"wp-image-10163\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-13-1-1024x654.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-13-1-300x192.png 300w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-13-1.png 1424w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>&lt;\uac1c\uc120 \uc804&gt;<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"653\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-14-1-1024x653.png\" alt=\"\" class=\"wp-image-10164\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-14-1-1024x653.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-14-1-300x191.png 300w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-14-1.png 1418w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>&lt;\uac1c\uc120 \ud6c4&gt;<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uac04\ub2e8\ud788 \ube44\uad50\ud574\ubd10\ub3c4 \ud3c9\uade0, \ucd5c\ub300 \uc751\ub2f5\uc2dc\uac04\uc774 \uac1c\uc120\ub41c \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2. \uc131\ub2a5 \ube0c\ub77c\uc6b0\uc800<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc751\ub2f5\uc2dc\uac04<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ubc88\uc5d0\ub294 \uc131\ub2a5\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \uba87\uac00\uc9c0 \uc694\uc18c\ub4e4\uc744 \uc131\ub2a5 \ube0c\ub77c\uc6b0\uc800 \uae30\ub2a5\uc744 \uc774\uc6a9\ud574 \ube44\uad50\ud574\ubd24\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"631\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-15-1024x631.png\" alt=\"\" class=\"wp-image-10166\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-15-1024x631.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-15-300x185.png 300w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-15.png 1356w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>\ub179\uc0c9\uc774 \uae30\uc874, \ubcf4\ub77c\uc0c9 \ub77c\uc778\uc774 \uc801\uc6a9 \ud6c4 \ud55c\ub2ec\uc774 \uc9c0\ub09c \uc2dc\uc810\uc758 \uc0c1\ud0dc\uc785\ub2c8\ub2e4.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ub179\uc0c9\uc774 \uae30\uc874, \ubcf4\ub77c\uc0c9 \ub77c\uc778\uc774 \uc801\uc6a9 \ud6c4 \ud55c\ub2ec\uc774 \uc9c0\ub09c \uc2dc\uc810\uc758 \uc0c1\ud0dc\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778\ub54c\ub098 \ud53c\ud06c\uc2dc\uc810\uc758 \uc2dc\uac04\uc774 \uc804\ubc18\uc801\uc73c\ub85c \uac1c\uc120\ub41c \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud2b8\ub79c\uc7ad\uc158 \ub2f9 CPU \uc2dc\uac04<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"632\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-16-1024x632.png\" alt=\"\" class=\"wp-image-10167\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-16-1024x632.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-16-300x185.png 300w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-16.png 2045w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>\ud558\ub298\uc0c9 \ub77c\uc778\uc774 \uac1c\uc120\uc804, \ubcf4\ub77c\uc0c9 \ub77c\uc778\uc774 \uac1c\uc120 \ud6c4 \uc785\ub2c8\ub2e4.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud558\ub298\uc0c9 \ub77c\uc778\uc774 \uac1c\uc120\uc804, \ubcf4\ub77c\uc0c9 \ub77c\uc778\uc774 \uac1c\uc120 \ud6c4 \uc785\ub2c8\ub2e4.<br>\uc5ec\uae30\uc11c\ub3c4 \uac1c\uc120 \ud6c4 \ud2b8\ub79c\uc7ad\uc158\ub2f9 CPU \uc2dc\uac04\uc774 \ud06c\uac8c \uac10\uc18c\ud55c \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br>\uccb4\uac10\uc0c1 \uac1c\uc120\ub41c \ubd80\ubd84\uc774 \uc2e4\uc81c\ub85c \uc218\uce58\ub85c \uc99d\uba85\ub41c \uac83\uc774\uc8e0! \ud83d\ude1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3. X-View<\/h4>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"632\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-17-1024x632.png\" alt=\"\" class=\"wp-image-10170\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-17-1024x632.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-17-300x185.png 300w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-17.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>&lt;\uac1c\uc120 \uc804&gt;<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"643\" src=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-18-1024x643.png\" alt=\"\" class=\"wp-image-10171\" srcset=\"https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-18-1024x643.png 1024w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-18-300x189.png 300w, https:\/\/jennifersoft.com\/ko\/wp-content\/uploads\/sites\/2\/2021\/10\/image-18.png 2029w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>&lt;\uac1c\uc120 \ud6c4&gt;<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9c8\uc9c0\ub9c9\uc73c\ub85c X-View \ucc28\ud2b8\ub85c \uac1c\uc120 \uc804 \ud6c4\uc758 \ub370\uc774\ud130\ub97c \ube44\uad50\ud574\ubd24\uc2b5\ub2c8\ub2e4.<br>\uc804\ubc18\uc801\uc73c\ub85c \ud2b8\ub79c\uc7ad\uc158\ub4e4\uc774 \uc880 \ub354 \uc544\ub798\ub85c \uc624\ubc00\uc870\ubc00 \ubaa8\uc600\uc788\ub294 \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc804\ubc18\uc801\uc778 \uc751\ub2f5\uc2dc\uac04\uc774 \uac1c\uc120 \ub418\uc5c8\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \ud83d\ude0a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uacb0\ub860<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uac1c\uc120\ub41c \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4 \uae30\ub2a5\uc744 \uc18c\uac1c\ud558\uae30\uc5d0 \uc55e\uc11c \uc0ac\uc2e4 \uc870\uae08\uc740 \uac71\uc815\uc774 \ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc81c\uac00 \uacbd\ud5d8\ud55c \uc0d8\ud50c\ub9c1 \uae30\ubc18 \ubd84\uc11d \uae30\ub2a5\uc758 \ud6a8\uacfc\ub97c \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc804\ub2ec\ud558\uae30 \uc704\ud55c \uc801\uc808\ud55c \uc608\ub97c \ucc3e\uae30 \uc5b4\ub824\uc6e0\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<br>\ub9c8\uce68 \uc6b4\uc88b\uac8c\ub3c4 \uc8fc\uae30\uc801\uc73c\ub85c \uc131\ub2a5\uc774 \ub098\ube60\uc9c0\ub294 \ud604\uc0c1\uc744 \ubcf4\uc774\ub294 \uc124\uce58\ud615 Jira(\uc774\uc288\uad00\ub9ac \uc2dc\uc2a4\ud15c) \ub355\ubd84\uc5d0 \uc2e4\uc81c\ub85c \uc0ac\uc6a9\ud558\ub294 \uc2dc\uc2a4\ud15c\uc758 \uc131\ub2a5 \uac1c\uc120\uacfc \uc0ac\uc6a9\uc790\uc5d0\uac8c \uc801\uc808\ud55c \uc608\ub85c \uc18c\uac1c\ud560 \uc218 \uc788\ub294 \uae30\ud68c\ub97c \uc5bb\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4.<br>\uc18c\uac1c\ud55c \uc0ac\ub840\uc640 \uac19\uc740 \uacbd\uc6b0 \uc77c\ubc18\uc801\uc778 \uba54\uc18c\ub4dc \ud504\ub85c\ud30c\uc77c\ub9c1 \uae30\ubc95\uc73c\ub85c\ub294 \uc774\ub7ec\ud55c \uacb0\uacfc \ub3c4\ucd9c\uc774 \ub9e4\uc6b0 \uc5b4\ub824\uc6e0\uc744 \uac83\uc785\ub2c8\ub2e4.<br>java.lang \ud328\ud0a4\uc9c0\ub97c \ud504\ub85c\ud30c\uc77c\ub9c1 \ud55c\ub2e4\ub294 \uac83\uc740 \uc62c\ubc14\ub978 \uc811\uadfc \ubc29\ubc95\uc774 \uc544\ub2c8\uba70 \ubb38\uc81c\ub85c \ubc1d\ud600\uc9c4 String.intern \uba54\uc18c\ub4dc\ub294 \ub124\uc774\ud2f0\ube0c \uba54\uc18c\ub4dc\uc774\uae30 \ub54c\ubb38\uc774\uc8e0.<br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ubc88 \uc18c\uac1c\ud55c \uc81c\ub2c8\ud37c\uc758 \uae30\ub2a5\uc774 \uadf8\ub0e5 \uc9c0\ub098\uccd0\ubc84\ub9b4 \uc218 \uc788\ub294, \ud639\uc740 \ud3ec\uae30\ud574\ubc84\ub9b0 \uac1c\uc120 \uc9c0\uc810\uc744 \ucc3e\uc544 \ud574\uacb0\ud558\ub294\ub370 \ub3c4\uc6c0\uc774 \ub418\uae38 \ubc14\ub77c\uba70 \ubcf8 \uae00\uc744 \ub9c8\uce69\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"text-align:center\"><em>\uc81c\ub2c8\ud37c\ub294 \uac1c\ubcc4 \ud2b8\ub79c\uc7ad\uc158\uc758 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4 \ubfd0 \uc544\ub2c8\ub77c \uc2dc\uc2a4\ud15c \uc804\uccb4\uc758 \uc2a4\ud0dd\ud2b8\ub808\uc774\uc2a4\ub97c \uae30\ubc18\uc73c\ub85c \ud55c \ubd84\uc11d \uae30\ub2a5\uc744 \uc900\ube44\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud2b8\ub79c\uc7ad\uc158 \uad00\uc810\uc5d0\uc11c \ubd84\uc11d\ud560 \uc218 \uc5c6\ub294 \uc131\ub2a5 \uc774\uc288\ub97c \ud574\uacb0\ud558\ub294\ub370&nbsp;\ub3c4\uc6c0\uc774 \ub420 \uae30\ub2a5\uc774\ub2c8 \uae30\ub300\ud574\uc8fc\uc138\uc694.&nbsp;<\/em>\ud83d\ude0d<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n","protected":false},"excerpt":{"rendered":"\uac1c\ubc1c\uc790 Y\uc528\uac00 \ub2e4\ub2c8\ub294 J\uc0ac\ub294 \uc624\ub798\ub41c \ubc84\uc804\uc758 \uc124\uce58\ud615 \uc81c\ud488 Jira \ub97c \uc0ac\uc6a9\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. 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