{"id":515,"date":"2025-10-13T09:33:13","date_gmt":"2025-10-13T09:33:13","guid":{"rendered":"https:\/\/www.nnt-consulting.com\/tech\/blog\/?p=515"},"modified":"2025-10-13T09:33:13","modified_gmt":"2025-10-13T09:33:13","slug":"elasticsearch","status":"publish","type":"post","link":"https:\/\/www.nnt-consulting.com\/tech\/blog\/elasticsearch\/","title":{"rendered":"Elasticsearch\ub97c \ud65c\uc6a9\ud55c \ub370\uc774\ud130 \uac80\uc0c9 \uc18d\ub3c4 \ucd5c\uc801\ud654 &#8211; Part 1"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\ubaa9\ucc28 \ud1a0\uae00\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.nnt-consulting.com\/tech\/blog\/elasticsearch\/#Elasticsearch\" >Elasticsearch<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.nnt-consulting.com\/tech\/blog\/elasticsearch\/#%EC%A3%BC%EC%9A%94_%ED%8A%B9%EC%A7%951_%EB%B6%84%EC%82%B0_%EC%8B%9C%EC%8A%A4%ED%85%9C\" >\uc8fc\uc694 \ud2b9\uc9d51: \ubd84\uc0b0 \uc2dc\uc2a4\ud15c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.nnt-consulting.com\/tech\/blog\/elasticsearch\/#%EC%A3%BC%EC%9A%94_%ED%8A%B9%EC%A7%952_%EC%8B%A4%EC%8B%9C%EA%B0%84%EC%97%90_%EA%B0%80%EA%B9%8C%EC%9A%B4_%EC%84%B1%EB%8A%A5_Near_Real-Time\" >\uc8fc\uc694 \ud2b9\uc9d52: \uc2e4\uc2dc\uac04\uc5d0 \uac00\uae4c\uc6b4 \uc131\ub2a5 (Near Real-Time)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.nnt-consulting.com\/tech\/blog\/elasticsearch\/#%EC%A3%BC%EC%9A%94_%ED%8A%B9%EC%A7%953_RESTful_API\" >\uc8fc\uc694 \ud2b9\uc9d53: RESTful API<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.nnt-consulting.com\/tech\/blog\/elasticsearch\/#Elasticsearch_%ED%95%B5%EC%8B%AC_%EC%95%84%ED%82%A4%ED%85%8D%EC%B2%98\" >Elasticsearch \ud575\uc2ec \uc544\ud0a4\ud14d\ucc98<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.nnt-consulting.com\/tech\/blog\/elasticsearch\/#RDBMS%EC%99%80%EC%9D%98_%EB%B9%84%EA%B5%90\" >RDBMS\uc640\uc758 \ube44\uad50<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.nnt-consulting.com\/tech\/blog\/elasticsearch\/#%EC%97%AD%EC%83%89%EC%9D%B8_Inverted_Index\" >\uc5ed\uc0c9\uc778 (Inverted Index)<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.nnt-consulting.com\/tech\/blog\/elasticsearch\/#%EB%B6%84%EC%84%9D%EA%B8%B0_Analyzer\" >\ubd84\uc11d\uae30 (Analyzer)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.nnt-consulting.com\/tech\/blog\/elasticsearch\/#Elasticsearch_%EB%8D%B0%EC%9D%B4%ED%84%B0_%EB%AA%A8%EB%8D%B8%EB%A7%81\" >Elasticsearch \ub370\uc774\ud130 \ubaa8\ub378\ub9c1<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.nnt-consulting.com\/tech\/blog\/elasticsearch\/#%E2%80%98%EC%8A%A4%ED%82%A4%EB%A7%88%EB%A6%AC%EC%8A%A4%EC%9D%98_%ED%95%A8%EC%A0%95%EA%B3%BC_%EB%AA%85%EC%8B%9C%EC%A0%81_%EB%A7%A4%ED%95%91%EC%9D%98_%EC%A4%91%EC%9A%94%EC%84%B1\" >&#8216;\uc2a4\ud0a4\ub9c8\ub9ac\uc2a4&#8217;\uc758 \ud568\uc815\uacfc \uba85\uc2dc\uc801 \ub9e4\ud551\uc758 \uc911\uc694\uc131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.nnt-consulting.com\/tech\/blog\/elasticsearch\/#Join_%EB%8C%80%EC%8B%A0_%EC%84%A0%ED%83%9D%ED%95%9C_%EA%B2%83_%EB%B9%84%EC%A0%95%EA%B7%9C%ED%99%94Denormalization\" >Join \ub300\uc2e0 \uc120\ud0dd\ud55c \uac83: \ube44\uc815\uaddc\ud654(Denormalization)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.nnt-consulting.com\/tech\/blog\/elasticsearch\/#%EB%8D%B0%EC%9D%B4%ED%84%B0_%EC%88%98%EC%A7%91Ingestion_%ED%8C%8C%EC%9D%B4%ED%94%84%EB%9D%BC%EC%9D%B8_%EC%95%84%ED%82%A4%ED%85%8D%EC%B2%98\" >\ub370\uc774\ud130 \uc218\uc9d1(Ingestion) \ud30c\uc774\ud504\ub77c\uc778 \uc544\ud0a4\ud14d\ucc98<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.nnt-consulting.com\/tech\/blog\/elasticsearch\/#%EA%B2%B0%EB%A1%A0\" >\uacb0\ub860<\/a><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"Elasticsearch\"><\/span>Elasticsearch<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p><a href=\"https:\/\/www.elastic.co\/kr\/elasticsearch\" target=\"_blank\" rel=\"noopener\">Elasticsearch<\/a>\ub294 Apache Lucene \uae30\ubc18\uc758 \uc624\ud508\uc18c\uc2a4 \uac80\uc0c9 \ubc0f \ubd84\uc11d \uc5d4\uc9c4\uc785\ub2c8\ub2e4. \ubc29\ub300\ud55c \uc591\uc758 \ub370\uc774\ud130\ub97c \uc2e0\uc18d\ud558\uac8c, \uac70\uc758 \uc2e4\uc2dc\uac04\uc73c\ub85c \uc800\uc7a5, \uac80\uc0c9, \ubd84\uc11d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\u00a0 \uae30\uc874\uc758 \uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uac00 \ub2e4\ub8e8\uae30 \uc5b4\ub824\uc6e0\ub358 \ube44\uc815\ud615 \ub370\uc774\ud130 \uac80\uc0c9, \ud2b9\ud788 Full-text \uac80\uc0c9\uc5d0 \ub9e4\uc6b0 \ub6f0\uc5b4\ub09c \uc131\ub2a5\uc744 \ubcf4\uc785\ub2c8\ub2e4.<\/p>\n<p>Elasticsearch\ub294 \ub2e8\uc21c\ud55c \uac80\uc0c9 \uc5d4\uc9c4\uc744 \ub118\uc5b4, \ub85c\uadf8 \ubd84\uc11d, \uc2e4\uc2dc\uac04 \ub370\uc774\ud130 \uc2dc\uac01\ud654, \ube44\uc988\ub2c8\uc2a4 \uc778\ud154\ub9ac\uc804\uc2a4 \ub4f1 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \ud65c\uc6a9\ub429\ub2c8\ub2e4. \ud2b9\ud788 ELK \uc2a4\ud0dd (Elasticsearch, Logstash, Kibana)\uc758 \ud575\uc2ec \uad6c\uc131 \uc694\uc18c\ub85c\uc11c \ub370\uc774\ud130 \uc218\uc9d1\ubd80\ud130 \ubd84\uc11d, \uc2dc\uac01\ud654\uae4c\uc9c0 \uc544\uc6b0\ub974\ub294 \ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778\uc744 \uad6c\ucd95\ud558\ub294 \ub370 \uc911\uc2ec\uc801\uc778 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%EC%A3%BC%EC%9A%94_%ED%8A%B9%EC%A7%951_%EB%B6%84%EC%82%B0_%EC%8B%9C%EC%8A%A4%ED%85%9C\"><\/span>\uc8fc\uc694 \ud2b9\uc9d51: \ubd84\uc0b0 \uc2dc\uc2a4\ud15c<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_520\" aria-describedby=\"caption-attachment-520\" style=\"width: 1024px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-520 size-full\" src=\"https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-content\/uploads\/2025\/09\/Generated-Image-September-25-2025-12_06PM.jpg\" alt=\"Elasticsearch \ubd84\uc0b0 \uc2dc\uc2a4\ud15c\" width=\"1024\" height=\"1024\" srcset=\"https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-content\/uploads\/2025\/09\/Generated-Image-September-25-2025-12_06PM.jpg 1024w, https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-content\/uploads\/2025\/09\/Generated-Image-September-25-2025-12_06PM-300x300.jpg 300w, https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-content\/uploads\/2025\/09\/Generated-Image-September-25-2025-12_06PM-150x150.jpg 150w, https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-content\/uploads\/2025\/09\/Generated-Image-September-25-2025-12_06PM-768x768.jpg 768w, https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-content\/uploads\/2025\/09\/Generated-Image-September-25-2025-12_06PM-900x900.jpg 900w, https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-content\/uploads\/2025\/09\/Generated-Image-September-25-2025-12_06PM-500x500.jpg 500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-520\" class=\"wp-caption-text\">\ubcf8 \uc774\ubbf8\uc9c0\ub294 AI\ub85c \uc0dd\uc131\ub41c \uc774\ubbf8\uc9c0\uc785\ub2c8\ub2e4.<\/figcaption><\/figure>\n<p>Elasticsearch\ub294 Scale-out\uc5d0 \ud2b9\ud654\ub41c \uc544\ud0a4\ud14d\ucc98\ub97c \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li><strong>\ub370\uc774\ud130\ub97c &#8216;\uc0e4\ub4dc (Shard)&#8217; \ub2e8\uc704\ub85c \ubd84\ud560\ud569\ub2c8\ub2e4.<\/strong>\n<ol>\n<li>Index\ub97c \uc0dd\uc131\ud560 \ub54c\ubd80\ud130 &#8216;\uc0e4\ub4dc&#8217;\ub77c\ub294 \ub2e8\uc704\uc758 \uc5ec\ub7ec \uc870\uac01\uc73c\ub85c \ub098\ub220\uc11c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc608\ub97c \ub4e4\uc5b4, 1\uc5b5 \uac1c\uc758 \ub370\uc774\ud130\uac00 \ub2f4\uae34 Index\ub97c \uc0dd\uc131\ud560 \ub54c, \uc0e4\ub4dc \uac1c\uc218\ub97c 5\uac1c\ub85c \uc124\uc815\ud558\uba74 2\ucc9c\ub9cc \uac1c\uc529\uc758 \ub370\uc774\ud130\uac00 \ub2f4\uae34 \uc0e4\ub4dc 5\uac1c\uac00 \uc0dd\uc131\ub429\ub2c8\ub2e4.<\/li>\n<\/ol>\n<\/li>\n<li><strong>\uc0c8\ub85c\uc6b4 \uc11c\ubc84(\ub178\ub4dc)\ub97c \ucd94\uac00\ud558\uace0 \uc0e4\ub4dc\ub97c \ubd84\uc0b0\uc2dc\ud0b5\ub2c8\ub2e4.<\/strong>\n<ol>\n<li><strong>\ucd08\uae30<\/strong>: \uc11c\ubc84\uac00 1\ub300\uc77c \ub54c\uc5d0\ub294 5\uac1c\uc758 \uc0e4\ub4dc\uac00 \ubaa8\ub450 \uadf8 \uc11c\ubc84 \uc548\uc5d0 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc11c\ubc84 \ucd94\uac00<\/strong>: \ub370\uc774\ud130\uac00 \ub298\uc5b4\ub0a8\uc5d0 \ub530\ub77c \uc11c\ubc84 1\ub300\uc758 \uc6a9\ub7c9\uc774 \ubd80\uc871\ud574\uc9c0\uba74 \uc0c8\ub85c\uc6b4 \uc11c\ubc84(\ub178\ub4dc)\ub97c \ud074\ub7ec\uc2a4\ud130\uc5d0 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc790\ub3d9 \ubd84\uc0b0<\/strong>: \uc0c8\ub85c \ucd94\uac00\ub41c \ub178\ub4dc\ub97c \uac10\uc9c0\ud558\uace0, \uae30\uc874 \uc11c\ubc84\uc5d0 \ubab0\ub824\uc788\ub358 \uc0e4\ub4dc\ub4e4\uc744 \uc790\ub3d9\uc73c\ub85c \uc0c8\ub85c\uc6b4 \ub178\ub4dc\ub85c \uc62e\uaca8\uc11c \ubd84\uc0b0\uc2dc\ud0b5\ub2c8\ub2e4.<br \/>\n\uc608\ub97c \ub4e4\uc5b4, 1\ubc88 \uc11c\ubc84\uc5d0 \uc0e4\ub4dc 3\uac1c, 2\ubc88 \uc11c\ubc84\uc5d0 \uc0e4\ub4dc 2\uac1c\ub97c \ubc30\uce58\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4.<\/li>\n<\/ol>\n<\/li>\n<li><strong>\uac80\uc0c9\uacfc \uc0c9\uc778 \uc791\uc5c5\uc744 \ubcd1\ub82c\ub85c \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/strong>\n<ol>\n<li>\uc0ac\uc6a9\uc790\uac00 &#8216;\ub178\ud2b8\ubd81&#8217;\uc744 \uac80\uc0c9\ud558\uba74, Elasticsearch\ub294 \uc774 \uc694\uccad\uc744 \ubaa8\ub4e0 \uc0e4\ub4dc\uc5d0 \ub3d9\uc2dc\uc5d0 \ubcf4\ub0c5\ub2c8\ub2e4.<\/li>\n<li>\uac01 \ub178\ub4dc\ub294 \uc790\uc2e0\uc774 \ub2f4\ub2f9\ud558\ub294 \uc0e4\ub4dc \ub0b4\uc5d0\uc11c\ub9cc &#8216;\ub178\ud2b8\ubd81&#8217;\uc744 \uac80\uc0c9\ud558\uace0, \uacb0\uacfc\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/li>\n<li>\ub9c8\uc9c0\ub9c9\uc73c\ub85c \uac01 \uc0e4\ub4dc\uc5d0\uc11c \uc628 \uacb0\uacfc\ub97c \ucde8\ud569\ud558\uc5ec \uc0ac\uc6a9\uc790\uc5d0\uac8c \ucd5c\uc885 \uacb0\uacfc\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/li>\n<li>\uc774\ub807\uac8c \uc5ec\ub7ec \ub178\ub4dc\uac00 \ub3d9\uc2dc\uc5d0 \uc77c\uc744 \ub098\ub204\uc5b4 \ucc98\ub9ac\ud558\uae30 \ub54c\ubb38\uc5d0 \ub370\uc774\ud130\uac00 \uc544\ubb34\ub9ac \ub9ce\uc544\uc838\ub3c4 \ube60\ub978 \uac80\uc0c9 \uc18d\ub3c4\ub97c \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p>\uc774 \ub355\ubd84\uc5d0 Elasticsearch\ub294 \ub370\uc774\ud130\uac00 \uc218\uc2ed\uc5b5 \uac74\uc73c\ub85c \ub298\uc5b4\ub098\ub3c4, \uac80\uc0c9 \uc694\uccad\uc774 \ud3ed\uc8fc\ud574\ub3c4, \ub2e8\uc21c\ud788 \uc11c\ubc84\ub97c \ucd94\uac00\ud558\ub294 \uac83\ub9cc\uc73c\ub85c \uc720\uc5f0\ud558\uace0 \uc548\uc815\uc801\uc73c\ub85c \uc2dc\uc2a4\ud15c\uc744 \ud655\uc7a5\ud574\ub098\uac08 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ub2e8\uc77c \uc11c\ubc84\uc758 \uc131\ub2a5\uc5d0 \uc758\uc874\ud558\ub294 RDBMS\uc640 \ube44\uad50\ub418\ub294 \uac15\ub825\ud55c \uc7a5\uc810\uc785\ub2c8\ub2e4.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%EC%A3%BC%EC%9A%94_%ED%8A%B9%EC%A7%952_%EC%8B%A4%EC%8B%9C%EA%B0%84%EC%97%90_%EA%B0%80%EA%B9%8C%EC%9A%B4_%EC%84%B1%EB%8A%A5_Near_Real-Time\"><\/span>\uc8fc\uc694 \ud2b9\uc9d52: \uc2e4\uc2dc\uac04\uc5d0 \uac00\uae4c\uc6b4 \uc131\ub2a5 (Near Real-Time)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Elasticsearch\ub294 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\uc790\ub9c8\uc790 \uac70\uc758 \uc989\uc2dc \uac80\uc0c9\uc5d0 \ud65c\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li><strong>In-memory Buffer:<\/strong> \uc0c8\ub85c\uc6b4 \ub370\uc774\ud130 (Document) \uac00 \ub4e4\uc5b4\uc624\uba74 Elasticsearch\ub294 \ub514\uc2a4\ud06c\uc5d0 \ubc14\ub85c \uc4f0\uc9c0 \uc54a\uace0 \uc77c\ub2e8 \uba54\ubaa8\ub9ac \ubc84\ud37c\uc5d0 \uc800\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>Refresh:<\/strong> \uae30\ubcf8\uc801\uc73c\ub85c 1\ucd08\ub9c8\ub2e4 <code>refresh<\/code> \uacfc\uc815\uc774 \uc77c\uc5b4\ub0a9\ub2c8\ub2e4. \uc774\ub54c \uba54\ubaa8\ub9ac \ubc84\ud37c\uc5d0 \uc788\ub358 \ub370\uc774\ud130\ub4e4\uc774 \uac80\uc0c9 \uac00\ub2a5\ud55c \uc0c1\ud0dc\uc778 &#8216;\uc138\uadf8\uba3c\ud2b8 (Segment)&#8217; \ub77c\ub294 \uc791\uc740 \ud30c\uc77c\ub85c \ub9cc\ub4e4\uc5b4\uc838 \uce90\uc2dc\uc5d0 \ucd94\uac00\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uac80\uc0c9 \uac00\ub2a5:<\/strong> \uc774 <code>refresh<\/code> \uacfc\uc815\uc774 \ub05d\ub09c \uc9c1\ud6c4\ubd80\ud130 \ub370\uc774\ud130\ub294 \ub514\uc2a4\ud06c\uc5d0 \uc644\uc804\ud788 \uc800\uc7a5\ub418\uc9c0 \uc54a\uc558\ub354\ub77c\ub3c4 \uac80\uc0c9 \uacb0\uacfc\uc5d0 \ub178\ucd9c\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>Commit \/ Flush:<\/strong> \ub098\uc911\uc5d0 \ub354 \ud070 \ub2e8\uc704\ub85c \uc138\uadf8\uba3c\ud2b8\ub4e4\uc774 \ubcd1\ud569\ub418\uc5b4 \ub514\uc2a4\ud06c\uc5d0 \uc601\uad6c\uc801\uc73c\ub85c \uc548\uc804\ud558\uac8c \uc800\uc7a5\ub429\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>\uc774\ub294 \ub85c\uadf8 \ubd84\uc11d, SNS, E-Commerce \ub4f1 \uc2e4\uc2dc\uac04\uc73c\ub85c \ub370\uc774\ud130\uac00 \ubc18\uc601\ub418\uc5b4\uc57c \ud560 \ub54c \uc911\uc694\ud55c \ud2b9\uc9d5\uc785\ub2c8\ub2e4.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%EC%A3%BC%EC%9A%94_%ED%8A%B9%EC%A7%953_RESTful_API\"><\/span>\uc8fc\uc694 \ud2b9\uc9d53: RESTful API<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Elasticsearch\ub294 HTTP \ub97c \uc0ac\uc6a9\ud574 \ubaa8\ub4e0 \uae30\ub2a5\uc744 \uc81c\uc5b4\ud558\uace0 \ub370\uc774\ud130\ub97c \uc8fc\uace0\ubc1b\uc2b5\ub2c8\ub2e4. \uac1c\ubc1c\uc790\ub294 Elasticsearch\uc758 \ub0b4\ubd80 \ub3d9\uc791\uc744 \uc54c \ud544\uc694 \uc5c6\uc774, REST API\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc694\uccad \uc0ac\ud56d\uc744 Elasticsearch\uc5d0 \ubc18\uc601\ud569\ub2c8\ub2e4.<\/p>\n<ol>\n<li><strong>HTTP Method<\/strong>\n<ol>\n<li>GET: \ub370\uc774\ud130 \uc870\ud68c\/\uac80\uc0c9<\/li>\n<li>POST\/PUT: \ub370\uc774\ud130 \uc0dd\uc131\/\uc218\uc815<\/li>\n<li>DELETE: \ub370\uc774\ud130 \uc0ad\uc81c<\/li>\n<\/ol>\n<\/li>\n<li><strong>URL:<\/strong> <code>http:\/\/{\uc11c\ubc84\uc8fc\uc18c}:9200\/{index}\/_search<\/code> \uc640 \uac19\uc774 \uc815\ud574\uc9c4 \uc8fc\uc18c \ud615\uc2dd\uacfc \ucffc\ub9ac\ub97c \ud1b5\ud574 \uc6d0\ud558\ub294 \ub370\uc774\ud130 \ub610\ub294 \uae30\ub2a5\uc5d0 \uc811\uadfc\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>JSON:<\/strong> \ubaa8\ub4e0 \uc694\uccad\uacfc \uc751\ub2f5\uc740 JSON \ud615\ud0dc\ub85c \uc774\ub904\uc9d1\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>\uc774\ub97c \ud1b5\ud574 Python, Java, Go \ub4f1 HTTP \uc694\uccad\uc744 \ubcf4\ub0bc \uc218 \uc788\ub294 \uc5b4\ub5a4 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub85c\ub3c4 Elasticsearch\ub97c \uc81c\uc5b4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ub294 curl \uac19\uc740 \uac04\ub2e8\ud55c \uba85\ub839\uc904 \ub3c4\uad6c\ub85c\ub3c4 \uc11c\ubc84\ub97c \uc9c1\uc811 \ud14c\uc2a4\ud2b8\ud558\uace0 \uad00\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Elasticsearch_%ED%95%B5%EC%8B%AC_%EC%95%84%ED%82%A4%ED%85%8D%EC%B2%98\"><\/span>Elasticsearch \ud575\uc2ec \uc544\ud0a4\ud14d\ucc98<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_537\" aria-describedby=\"caption-attachment-537\" style=\"width: 1024px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-537\" src=\"https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-content\/uploads\/2025\/09\/Generated-Image-September-25-2025-3_39PM.jpg\" alt=\"Elasticsearch \ud575\uc2ec \uc544\ud0a4\ud14d\ucc98\" width=\"1024\" height=\"1024\" srcset=\"https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-content\/uploads\/2025\/09\/Generated-Image-September-25-2025-3_39PM.jpg 1024w, https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-content\/uploads\/2025\/09\/Generated-Image-September-25-2025-3_39PM-300x300.jpg 300w, https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-content\/uploads\/2025\/09\/Generated-Image-September-25-2025-3_39PM-150x150.jpg 150w, https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-content\/uploads\/2025\/09\/Generated-Image-September-25-2025-3_39PM-768x768.jpg 768w, https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-content\/uploads\/2025\/09\/Generated-Image-September-25-2025-3_39PM-900x900.jpg 900w, https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-content\/uploads\/2025\/09\/Generated-Image-September-25-2025-3_39PM-500x500.jpg 500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-537\" class=\"wp-caption-text\">\ubcf8 \uc774\ubbf8\uc9c0\ub294 AI\ub85c \uc0dd\uc131\ub41c \uc774\ubbf8\uc9c0\uc785\ub2c8\ub2e4.<\/figcaption><\/figure>\n<ol>\n<li><strong>\ud074\ub7ec\uc2a4\ud130<\/strong>\n<ol>\n<li>\ud558\ub098 \uc774\uc0c1\uc758 \ub178\ub4dc\ub85c \uad6c\uc131\ub41c Elasticsearch \uc2dc\uc2a4\ud15c\uc758 \uac00\uc7a5 \ud070 \ub2e8\uc704\uc785\ub2c8\ub2e4.<\/li>\n<li>\uc804\uccb4 \ub370\uc774\ud130\uc640 \uac80\uc0c9 \uae30\ub2a5\uc744 \uc81c\uacf5\ud558\uba70, \ubaa8\ub4e0 \ub178\ub4dc\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<\/li>\n<li><strong>\ub178\ub4dc<\/strong>\n<ol>\n<li>Elasticsearch\ub97c \uad6c\uc131\ud558\ub294 \ub2e8\uc77c \uc11c\ubc84 \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4.<\/li>\n<li>\ud074\ub7ec\uc2a4\ud130\uc5d0 \uc18d\ud55c \uad6c\uc870\uc774\uba70, \uc2e4\uc81c \ub370\uc774\ud130 \uc800\uc7a5 \ubc0f \uac80\uc0c9 \uc791\uc5c5\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/li>\n<li>\ub178\ub4dc\ub294 \uc124\uc815\uc5d0 \ub530\ub77c \ub2e4\uc591\ud55c \uc5ed\ud560\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc73c\uba70, \ud074\ub7ec\uc2a4\ud130\uc758 \uaddc\ubaa8\uc640 \ubaa9\uc801\uc5d0 \ub530\ub77c \uc5ed\ud560\uc744 \ubd84\ub9ac\ud558\uc5ec \uc6b4\uc601\ud558\ub294 \uac83\uc774 \uc548\uc815\uc131\uacfc \uc131\ub2a5 \ucd5c\uc801\ud654\uc758 \ud575\uc2ec\uc785\ub2c8\ub2e4.\n<ol>\n<li><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\ub9c8\uc2a4\ud130 \ub178\ub4dc (Master-eligible Node):<\/span><\/strong> \ud074\ub7ec\uc2a4\ud130\uc758 \uc9c0\ud718\uad00 \uc5ed\ud560\uc785\ub2c8\ub2e4. \ud074\ub7ec\uc2a4\ud130 \uc804\uccb4\uc758 \uc0c1\ud0dc (\uba54\ud0c0\ub370\uc774\ud130)\ub97c \uad00\ub9ac\ud558\uace0, \uc778\ub371\uc2a4 \uc0dd\uc131\/\uc0ad\uc81c, \ub178\ub4dc \ucd94\uac00\/\uc81c\uac70\uc640 \uac19\uc740 \uad00\ub9ac \uc791\uc5c5\uc744 \uc870\uc728\ud569\ub2c8\ub2e4.<\/li>\n<li><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\ub370\uc774\ud130 \ub178\ub4dc (Data Node):<\/span><\/strong> \ub370\uc774\ud130\uc758 \uc800\uc7a5\uc18c\uc774\uc790 \uc791\uc5c5\uc790 \uc5ed\ud560\uc785\ub2c8\ub2e4. \uc2e4\uc81c \uc0e4\ub4dc\ub97c \uc800\uc7a5\ud558\uace0, \ub370\uc774\ud130\uc758 \uc0c9\uc778\uacfc \uac80\uc0c9 \uc791\uc5c5\uc744 \uc218\ud589\ud569\ub2c8\ub2e4. CPU, \uba54\ubaa8\ub9ac, \ub514\uc2a4\ud06c I\/O \ub4f1 \uac00\uc7a5 \ub9ce\uc740 \ub9ac\uc18c\uc2a4\ub97c \uc18c\ubaa8\ud569\ub2c8\ub2e4.<\/li>\n<li><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\uc778\uc81c\uc2a4\ud2b8 \ub178\ub4dc (Ingest Node):<\/span><\/strong> \ub370\uc774\ud130\uac00 \uc0c9\uc778\ub418\uae30 \uc804, \ubb38\uc11c\ub97c \uc0ac\uc804 \ucc98\ub9ac\ud558\ub294 \uac00\uacf5 \uacf5\uc7a5 \uc5ed\ud560\uc785\ub2c8\ub2e4. \ud544\ub4dc \ucd94\uac00, \uac12 \ubcc0\uacbd, \ud2b9\uc815 \ud328\ud134 \uc81c\uac70 \ub4f1 \ub2e4\uc591\ud55c \uc804\ucc98\ub9ac \ud30c\uc774\ud504\ub77c\uc778\uc744 \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\ucf54\ub514\ub124\uc774\ud305 \ub178\ub4dc (Coordinating-only Node):<\/span><\/strong> \ud074\ub77c\uc774\uc5b8\ud2b8\uc758 \uc694\uccad\uc744 \ubc1b\ub294 \uc548\ub0b4 \ub370\uc2a4\ud06c \uc5ed\ud560\uc785\ub2c8\ub2e4. \uc0ac\uc6a9\uc790\uc758 \uac80\uc0c9 \uc694\uccad\uc744 \ubc1b\uc544 \uc801\uc808\ud55c \ub370\uc774\ud130 \ub178\ub4dc\ub4e4\ub85c \ubd84\uc0b0\uc2dc\ud0a4\uace0, \uac01 \ub178\ub4dc\uc5d0\uc11c \ubc1b\uc740 \uacb0\uacfc\ub97c \ucde8\ud569\ud558\uc5ec \ucd5c\uc885 \uacb0\uacfc\ub97c \ud074\ub77c\uc774\uc5b8\ud2b8\uc5d0\uac8c \ubc18\ud658\ud569\ub2c8\ub2e4. \ub300\uaddc\ubaa8 \ud074\ub7ec\uc2a4\ud130\uc5d0\uc11c \uac80\uc0c9 \ubd80\ud558 \ubd84\uc0b0\uc744 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ol>\n<\/li>\n<li>\ud504\ub85c\ub355\uc158 \ud658\uacbd\uc5d0\uc11c\ub294 \uac01 \ub178\ub4dc\uc758 \uc5ed\ud560\uc744 \uba85\ud655\ud788 \ubd84\ub9ac\ud558\uc5ec \uac01\uac01 \uc804\uc6a9 \ub178\ub4dc\uc5d0 \ud560\ub2f9\ud558\ub294 \uac83\uc774 \uc7a5\uc560 \uaca9\ub9ac \ubc0f \uc131\ub2a5 \ucd5c\uc801\ud654\uc5d0 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<\/li>\n<li><strong>\uc0e4\ub4dc<\/strong>\n<ol>\n<li>\uc778\ub371\uc2a4\ub97c \uc5ec\ub7ec \ubd80\ubd84\uc73c\ub85c \ub098\ub208 \uc870\uac01\uc785\ub2c8\ub2e4.<\/li>\n<li>\ub370\uc774\ud130\uc758 \ud06c\uae30\uac00 \ucee4\uc11c \ud558\ub098\uc758 \ub178\ub4dc\uc5d0 \ubaa8\ub450 \uc800\uc7a5\ud558\uae30 \uc5b4\ub824\uc6b8 \ub54c, \uc0e4\ub4dc\ub97c \ud1b5\ud574 \ub370\uc774\ud130\ub97c \ubd84\uc0b0 \uc800\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uc774\ub294 Scale-out\uc744 \uac00\ub2a5\ud558\uac8c \ud558\uc5ec \uc2dc\uc2a4\ud15c\uc758 \uc804\uccb4 \uc800\uc7a5 \uc6a9\ub7c9\uacfc \ucc98\ub9ac\ub7c9\uc744 \ub298\ub9ac\ub294 \ud575\uc2ec \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<\/li>\n<li><strong>\ub808\ud50c\ub9ac\uce74<\/strong>\n<ol>\n<li>\uc0e4\ub4dc\uc758 \uc2e4\uc2dc\uac04 \ubcf5\uc81c\ubcf8\uc785\ub2c8\ub2e4. \ub2e8\uc21c\ud788 \ub370\uc774\ud130\ub97c \ubc31\uc5c5\ud558\ub294 \uac83\uc744 \ub118\uc5b4, \uc2dc\uc2a4\ud15c\uc758 \uc548\uc815\uc131\uacfc \uac80\uc0c9 \uc131\ub2a5\uc744 \ub192\uc774\ub294 \ub450 \uac00\uc9c0 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.\n<ol>\n<li><strong>\uace0\uac00\uc6a9\uc131 \ud655\ubcf4<\/strong>: \ud2b9\uc815 \ub178\ub4dc\uc5d0 \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud558\uc5ec \ud574\ub2f9 \ub178\ub4dc\uc5d0 \uc788\ub358 \uc6d0\ubcf8 \uc0e4\ub4dc\uac00 \uc720\uc2e4\ub418\ub354\ub77c\ub3c4, \ub2e4\ub978 \ub178\ub4dc\uc5d0 \ubcf5\uc81c\ud574 \ub454 \ub808\ud50c\ub9ac\uce74 \uc0e4\ub4dc\uac00 \uc989\uc2dc \uc6d0\ubcf8\uc758 \uc5ed\ud560\uc744 \ub300\uc2e0\ud569\ub2c8\ub2e4. \uc774 \ub355\ubd84\uc5d0 \uc77c\ubd80 \uc11c\ubc84\uac00 \ub2e4\uc6b4\ub418\uc5b4\ub3c4 \ub370\uc774\ud130\uc758 \uc720\uc2e4 \uc5c6\uc774 \uc11c\ube44\uc2a4\uac00 \uc720\uc9c0\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uac80\uc0c9 \uc131\ub2a5 \ud5a5\uc0c1<\/strong>: \uac80\uc0c9 \uc694\uccad\uc774 \ub4e4\uc5b4\uc654\uc744 \ub54c Elasticsearch\ub294 \uc6d0\ubcf8 \uc0e4\ub4dc\uc640 \ub808\ud50c\ub9ac\uce74 \uc0e4\ub4dc\uc5d0 \uc694\uccad\uc744 \ubd84\uc0b0\ud558\uc5ec \ubcd1\ub82c\ub85c \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc77d\uae30 \uc791\uc5c5\uc744 \ubd84\uc0b0\uc2dc\ucf1c \ub354 \ub9ce\uc740 \uac80\uc0c9 \uc694\uccad\uc744 \ub3d9\uc2dc\uc5d0 \ucc98\ub9ac\ud560 \uc218 \uc788\uac8c \ub418\uae30 \ub54c\ubb38\uc5d0, \uc804\uccb4 \uc2dc\uc2a4\ud15c\uc758 \ucc98\ub9ac\ub7c9\uc774 \uc99d\uac00\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<h1><span class=\"ez-toc-section\" id=\"RDBMS%EC%99%80%EC%9D%98_%EB%B9%84%EA%B5%90\"><\/span>RDBMS\uc640\uc758 \ube44\uad50<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<table dir=\"ltr\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\" data-sheets-root=\"1\" data-sheets-baot=\"1\">\n<colgroup>\n<col width=\"94\" \/>\n<col width=\"113\" \/>\n<col width=\"720\" \/><\/colgroup>\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><strong>RDBMS<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>Elasticsearch<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>Description<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Database<\/td>\n<td>Index<\/td>\n<td>\ubb38\uc11c (Document) \ub4e4\uc758 \ubaa8\uc784\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>Table<\/td>\n<td>Type<\/td>\n<td>Index\uc5d0\uc11c \ubb38\uc11c\ub97c \ub17c\ub9ac\uc801\uc73c\ub85c \ubd84\ub958\ud558\ub294 \ub2e8\uc704\uc600\uc73c\ub098,<br \/>\n\ud604\uc7ac\ub294 (8.0 \uc774\uc0c1) \ud558\ub098\uc758 Index\uc5d0 \ud558\ub098\uc758 Type\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc744 \uad8c\uc7a5\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>Row<\/td>\n<td>Document<\/td>\n<td>Elasticsearch\uc5d0\uc11c \ub370\uc774\ud130\uac00 \uc800\uc7a5\ud558\ub294 \ucd5c\uc18c \ub2e8\uc704\uc774\uba70, JSON \ud615\uc2dd\uc758 \uac1d\uccb4\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>Column<\/td>\n<td>Field<\/td>\n<td>Document\ub97c \uad6c\uc131\ud558\ub294 \uac1c\ubcc4 \uc18d\uc131\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>Schema<\/td>\n<td>Mapping<\/td>\n<td>\ubb38\uc11c\uc640 \ud544\ub4dc\uac00 \uc5b4\ub5bb\uac8c \uc800\uc7a5\ub418\uace0 \uc0c9\uc778\ud560\uc9c0 \uc815\uc758\ud558\ub294 \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h1><span class=\"ez-toc-section\" id=\"%EC%97%AD%EC%83%89%EC%9D%B8_Inverted_Index\"><\/span>\uc5ed\uc0c9\uc778 (Inverted Index)<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>Elasticsearch\uc758 \uac80\uc0c9 \uc18d\ub3c4\uac00 \ube60\ub978 \uc774\uc720\ub294 <strong>\uc5ed\uc0c9\uc778 \uad6c\uc870<\/strong> \ub355\ubd84\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uac00 <strong>\ubb38\uc11c ID<\/strong>\ub97c \uae30\uc900\uc73c\ub85c \uc5b4\ub5a4 \ub2e8\uc5b4\ub4e4\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\ub294\uc9c0 \uae30\ub85d\ud558\ub294 \ubc18\uba74, \uc5ed\uc0c9\uc778\uc740 <strong>\uac01 \ub2e8\uc5b4\uac00 \uc5b4\ub5a4 \ubb38\uc11c\uc5d0 \uc874\uc7ac\ud558\ub294\uc9c0<\/strong>\ub97c \uae30\ub85d\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc608\ub97c \ub4e4\uc5b4, \ub2e4\uc74c\uacfc \uac19\uc740 \ub450 \uac1c\uc758 \ubb38\uc11c\uac00 \uc788\ub2e4\uace0 \uac00\uc815\ud574\ubd05\uc2dc\ub2e4.<\/p>\n<ul>\n<li>\ubb38\uc11c 1: &#8220;I like search engine.&#8221;<\/li>\n<li>\ubb38\uc11c 2: &#8220;I search keywords by google.&#8221;<\/li>\n<\/ul>\n<p>\uc5ed\uc0c9\uc778\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uad6c\uc131\ub429\ub2c8\ub2e4.<\/p>\n<table dir=\"ltr\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\" data-sheets-root=\"1\" data-sheets-baot=\"1\">\n<colgroup>\n<col width=\"94\" \/>\n<col width=\"113\" \/><\/colgroup>\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><strong>\ub2e8\uc5b4<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>\ubb38\uc11c<\/strong><\/td>\n<\/tr>\n<tr>\n<td>I<\/td>\n<td>\ubb38\uc11c 1, \ubb38\uc11c 2<\/td>\n<\/tr>\n<tr>\n<td>like<\/td>\n<td>\ubb38\uc11c 1<\/td>\n<\/tr>\n<tr>\n<td>search<\/td>\n<td>\ubb38\uc11c 1, \ubb38\uc11c 2<\/td>\n<\/tr>\n<tr>\n<td>engine<\/td>\n<td>\ubb38\uc11c 1<\/td>\n<\/tr>\n<tr>\n<td>keywords<\/td>\n<td>\ubb38\uc11c 2<\/td>\n<\/tr>\n<tr>\n<td>by<\/td>\n<td>\ubb38\uc11c 2<\/td>\n<\/tr>\n<tr>\n<td>google<\/td>\n<td>\ubb38\uc11c 2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&#8220;google&#8221; \uc774\ub77c\ub294 \ub2e8\uc5b4\ub97c \uac80\uc0c9\ud558\uba74, \uc5ed\uc0c9\uc778\uc744 \ud1b5\ud574 \ubc14\ub85c \ud574\ub2f9 \ub2e8\uc5b4\uac00 &#8220;\ubb38\uc11c 2&#8243;\uc5d0 \uc18d\ud574\uc788\ub2e4\ub294 \uac83\uc744 \uc54c\uc544\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%EB%B6%84%EC%84%9D%EA%B8%B0_Analyzer\"><\/span>\ubd84\uc11d\uae30 (Analyzer)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span class=\"ng-star-inserted\">\uadf8\ub807\ub2e4\uba74 Elasticsearch\ub294 &#8220;I like search engine.&#8221;\uc774\ub77c\ub294 \ubb38\uc7a5\uc744 \uc5b4\ub5bb\uac8c\u00a0<\/span><span class=\"inline-code ng-star-inserted\">I<\/span><span class=\"ng-star-inserted\">,\u00a0<\/span><span class=\"inline-code ng-star-inserted\">like<\/span><span class=\"ng-star-inserted\">,\u00a0<\/span><span class=\"inline-code ng-star-inserted\">search<\/span><span class=\"ng-star-inserted\">,\u00a0<\/span><span class=\"inline-code ng-star-inserted\">engine<\/span><span class=\"ng-star-inserted\"> \uc774\ub77c\ub294 \ub2e8\uc5b4\ub4e4\ub85c \ucabc\uac1c\uc5b4 \uc5ed\uc0c9\uc778\uc5d0 \uc800\uc7a5\ud560 \uc218 \uc788\uc744\uae4c\uc694? \uc774 \uacfc\uc815\uc744 \ub2f4\ub2f9\ud558\ub294 \uac83\uc774 \ubc14\ub85c <\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\ubd84\uc11d\uae30(Analyzer)<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\uc785\ub2c8\ub2e4.<\/span><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\ubd84\uc11d\uae30\ub294 \ud14d\uc2a4\ud2b8 \ubd84\uc11d\uc744 \uc704\ud55c \ud558\ub098\uc758 \ud30c\uc774\ud504\ub77c\uc778\uc774\uba70, \ud06c\uac8c \uc138 \uac00\uc9c0 \uc694\uc18c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4.<\/span><\/p>\n<ol>\n<li class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\uce90\ub9ad\ud130 \ud544\ud130 (Character Filters):<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\ud14d\uc2a4\ud2b8\uac00 \ud1a0\ud06c\ub098\uc774\uc800\ub85c \uc804\ub2ec\ub418\uae30 \uc804, HTML \ud0dc\uadf8\ub97c \uc81c\uac70\ud558\uac70\ub098\u00a0<\/span><span class=\"inline-code ng-star-inserted\">&amp;<\/span><span class=\"ng-star-inserted\">\ub97c\u00a0<\/span><span class=\"inline-code ng-star-inserted\">and<\/span><span class=\"ng-star-inserted\">\ub85c \ubc14\uafb8\ub294 \ub4f1 \ubb38\uc790 \ub2e8\uc704\ub97c \uc804\ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\ud1a0\ud06c\ub098\uc774\uc800 (Tokenizer):<\/span><\/strong><span class=\"ng-star-inserted\"> \uc804\ucc98\ub9ac\ub41c \ud14d\uc2a4\ud2b8 \uc2a4\ud2b8\ub9bc\uc744 \uc2e4\uc9c8\uc801\uc778 \ub2e8\uc5b4(Term) \ub2e8\uc704\ub85c \ubd84\ub9ac\ud569\ub2c8\ub2e4. \uacf5\ubc31\uc774\ub098 \ud2b9\uc815 \ubb38\uc790\ub97c \uae30\uc900\uc73c\ub85c \ucabc\uac1c\ub294 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. (ex: <\/span><span class=\"inline-code ng-star-inserted\">whitespace<\/span><span class=\"ng-star-inserted\">\u00a0\ud1a0\ud06c\ub098\uc774\uc800)<\/span><\/li>\n<li class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\ud1a0\ud070 \ud544\ud130 (Token Filters):<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\ud1a0\ud06c\ub098\uc774\uc800\uac00 \ubd84\ub9ac\ud55c \ub2e8\uc5b4\ub4e4\uc744 \ucd94\uac00\uc801\uc73c\ub85c \uac00\uacf5\ud569\ub2c8\ub2e4. \ub300\ubb38\uc790\ub97c \uc18c\ubb38\uc790\ub85c \ubc14\uafb8\uac70\ub098(<\/span><span class=\"inline-code ng-star-inserted\">lowercase<\/span><span class=\"ng-star-inserted\">), \ubd88\ud544\uc694\ud55c \ub2e8\uc5b4(\ubd88\uc6a9\uc5b4, a, an, the \ub4f1)\ub97c \uc81c\uac70\ud558\uac70\ub098(<\/span><span class=\"inline-code ng-star-inserted\">stop<\/span><span class=\"ng-star-inserted\">), \ub2e8\uc5b4\uc758 \uc6d0\ud615\uc744 \ucc3e\uc544\uc8fc\ub294(<\/span><span class=\"inline-code ng-star-inserted\">stemming<\/span><span class=\"ng-star-inserted\">) \ub4f1\uc758 \uc5ed\ud560\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/span><\/li>\n<\/ol>\n<p><span class=\"ng-star-inserted\">\uc608\ub97c \ub4e4\uc5b4, &#8220;<\/span><span class=\"inline-code ng-star-inserted\">Quick Brown Fox!&#8221;<\/span><span class=\"ng-star-inserted\">\u00a0\ub77c\ub294 \ud14d\uc2a4\ud2b8\uac00\u00a0<\/span><span class=\"inline-code ng-star-inserted\">lowercase<\/span><span class=\"ng-star-inserted\">\u00a0\ud1a0\ud070 \ud544\ud130\ub97c \ud3ec\ud568\ud55c \ubd84\uc11d\uae30\ub97c \uac70\uce58\uba74\u00a0<\/span><span class=\"inline-code ng-star-inserted\">quick<\/span><span class=\"ng-star-inserted\">,\u00a0<\/span><span class=\"inline-code ng-star-inserted\">brown<\/span><span class=\"ng-star-inserted\">,\u00a0<\/span><span class=\"inline-code ng-star-inserted\">fox<\/span><span class=\"ng-star-inserted\">\u00a0\ub77c\ub294 \ucd5c\uc885 \ud1a0\ud070\uc73c\ub85c \ubcc0\ud658\ub418\uc5b4 \uc5ed\uc0c9\uc778\uc5d0 \uc800\uc7a5\ub429\ub2c8\ub2e4. \uc774 \ub355\ubd84\uc5d0 \uc0ac\uc6a9\uc790\uac00 \uc18c\ubb38\uc790\uc778\u00a0<\/span><span class=\"inline-code ng-star-inserted\">fox<\/span><span class=\"ng-star-inserted\">\ub85c \uac80\uc0c9\ud574\ub3c4 \uc6d0\ubcf8 \ubb38\uc11c\uc758\u00a0<\/span><span class=\"inline-code ng-star-inserted\">Fox<\/span><span class=\"ng-star-inserted\">\ub97c \ucc3e\uc544\ub0bc \uc218 \uc788\ub294 \uac83\uc785\ub2c8\ub2e4.<\/span><\/p>\n<p><span class=\"ng-star-inserted\">\ud2b9\ud788 \ud55c\uae00\uacfc \uac19\uc774 \uc870\uc0ac\uac00 \ubd99\uace0 \ud615\ud0dc\uc18c \ubd84\uc11d\uc774 \uc911\uc694\ud55c \uc5b8\uc5b4\ub294 \uae30\ubcf8 \ubd84\uc11d\uae30\ub85c\ub294 \ud55c\uacc4\uac00 \uc788\uc2b5\ub2c8\ub2e4. <code>nori<\/code> \uc640 \uac19\uc740 \ud55c\uad6d\uc5b4 \ud615\ud0dc\uc18c \ubd84\uc11d \ud50c\ub7ec\uadf8\uc778\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc815\ud655\ud55c \ud1a0\ud070\ud654\ub97c \uc218\ud589\ud558\ub294 \uac83\uc774 \uac80\uc0c9 \ud488\uc9c8\uc744 \uacb0\uc815\ud558\ub294 \ud575\uc2ec \uc694\uc18c\uc785\ub2c8\ub2e4.<br \/>\n<\/span><\/p>\n<h1 class=\"ng-star-inserted\"><span class=\"ez-toc-section\" id=\"Elasticsearch_%EB%8D%B0%EC%9D%B4%ED%84%B0_%EB%AA%A8%EB%8D%B8%EB%A7%81\"><\/span><span class=\"ng-star-inserted\">Elasticsearch \ub370\uc774\ud130 \ubaa8\ub378\ub9c1<\/span><span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Elasticsearch\uc758 \uac15\ub825\ud55c \uc131\ub2a5\uc744 \uc81c\ub300\ub85c \ud65c\uc6a9\ud558\uae30 \uc704\ud574\uc11c\ub294 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\ub294 \ubc29\uc2dd, \uc989 \ub370\uc774\ud130 \ubaa8\ub378\ub9c1\ubd80\ud130 RDBMS\uc640\ub294 \ub2e4\ub978 \uc811\uadfc\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. RDBMS \uc124\uacc4\uc5d0 \uc775\uc219\ud55c \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc774 \uac00\uc7a5 \ud754\ud558\uac8c \ud558\ub294 \uc2e4\uc218\ub294 \ubc14\ub85c\u00a0<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\uc815\uaddc\ud654(Normalization)\ub41c \uad6c\uc870\ub97c \uadf8\ub300\ub85c Elasticsearch\uc5d0 \uc801\uc6a9\ud558\ub824\ub294 \uac83<\/span><\/strong><span class=\"ng-star-inserted\">\uc785\ub2c8\ub2e4.<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ez-toc-section\" id=\"%E2%80%98%EC%8A%A4%ED%82%A4%EB%A7%88%EB%A6%AC%EC%8A%A4%EC%9D%98_%ED%95%A8%EC%A0%95%EA%B3%BC_%EB%AA%85%EC%8B%9C%EC%A0%81_%EB%A7%A4%ED%95%91%EC%9D%98_%EC%A4%91%EC%9A%94%EC%84%B1\"><\/span><span class=\"ng-star-inserted\">&#8216;\uc2a4\ud0a4\ub9c8\ub9ac\uc2a4&#8217;\uc758 \ud568\uc815\uacfc \uba85\uc2dc\uc801 \ub9e4\ud551\uc758 \uc911\uc694\uc131<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Elasticsearch\ub294 \uc2a4\ud0a4\ub9c8\ub97c \ubbf8\ub9ac \uc815\uc758\ud558\uc9c0 \uc54a\uc544\ub3c4 \ub370\uc774\ud130 \ud0c0\uc785 \ub4f1\uc744 \uc790\ub3d9\uc73c\ub85c \ucd94\ub860\ud558\ub294<strong> \ub3d9\uc801 \ub9e4\ud551(Dynamic Mapping)<\/strong>\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \uc774\ub294 \uac1c\ubc1c \ucd08\uae30\uc5d0\ub294 \ud3b8\ub9ac\ud558\uc9c0\ub9cc, \ud504\ub85c\ub355\uc158 \ud658\uacbd\uc5d0\uc11c\ub294 \uc758\ub3c4\uce58 \uc54a\uc740 \ud0c0\uc785 \uc9c0\uc815(<\/span><span class=\"inline-code ng-star-inserted\">text<\/span><span class=\"ng-star-inserted\">\u00a0vs\u00a0<\/span><span class=\"inline-code ng-star-inserted\">keyword<\/span><span class=\"ng-star-inserted\">), \ubd88\ud544\uc694\ud55c \ud544\ub4dc \uc0c9\uc778\uc73c\ub85c \uc778\ud55c \uc131\ub2a5 \uc800\ud558 \ubc0f \uc800\uc7a5 \uacf5\uac04 \ub0ad\ube44\ub97c \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\ub530\ub77c\uc11c \ub370\uc774\ud130 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uad00\uc810\uc5d0\uc11c\ub294 <strong>\uba85\uc2dc\uc801 \ub9e4\ud551(Explicit Mapping)<\/strong>\uc744 \ud1b5\ud574 \uac01 \ud544\ub4dc\uc758 \ud0c0\uc785(<\/span><span class=\"inline-code ng-star-inserted\">keyword<\/span><span class=\"ng-star-inserted\">,\u00a0<\/span><span class=\"inline-code ng-star-inserted\">text<\/span><span class=\"ng-star-inserted\">,\u00a0<\/span><span class=\"inline-code ng-star-inserted\">integer<\/span><span class=\"ng-star-inserted\">,\u00a0<\/span><span class=\"inline-code ng-star-inserted\">date<\/span><span class=\"ng-star-inserted\"> \ub4f1)\uacfc \ubd84\uc11d \ubc29\uc2dd\uc744 \uc0ac\uc804\uc5d0 \uba85\ud655\ud788 \uc815\uc758\ud558\ub294 \uac83\uc774 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.\u00a0<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ez-toc-section\" id=\"Join_%EB%8C%80%EC%8B%A0_%EC%84%A0%ED%83%9D%ED%95%9C_%EA%B2%83_%EB%B9%84%EC%A0%95%EA%B7%9C%ED%99%94Denormalization\"><\/span><span class=\"ng-star-inserted\">Join \ub300\uc2e0 \uc120\ud0dd\ud55c \uac83: \ube44\uc815\uaddc\ud654(Denormalization)<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">RDBMS\uc5d0\uc11c\ub294 \uc911\ubcf5\uc744 \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud574 \ub370\uc774\ud130\ub97c \uc5ec\ub7ec \ud14c\uc774\ube14\ub85c \ub098\ub204\uc5b4 \uc815\uaddc\ud654\ud558\uace0, \ud544\uc694\ud560 \ub54c\u00a0<\/span><span class=\"inline-code ng-star-inserted\">JOIN<\/span><span class=\"ng-star-inserted\">\uc744 \uc0ac\uc6a9\ud574 \ub370\uc774\ud130\ub97c \uc870\ud569\ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \ubd84\uc0b0 \uc2dc\uc2a4\ud15c\uc778 Elasticsearch\uc5d0\uc11c\u00a0<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\uac80\uc0c9 \uc2dc\uc810\uc758\u00a0<\/span><span class=\"inline-code ng-star-inserted\">JOIN<\/span><span class=\"ng-star-inserted\">\uc740 \uc5c4\uccad\ub09c \ube44\uc6a9\uc744 \uc720\ubc1c\ud558\uba70, \uc131\ub2a5 \uc800\ud558\uc758 \uc8fc\ubc94<\/span><\/strong><span class=\"ng-star-inserted\">\uc774 \ub429\ub2c8\ub2e4.<\/span><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Elasticsearch\ub294 \uc774\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 <strong>\ube44\uc815\uaddc\ud654(Denormalization)<\/strong>\ub97c \uc801\uadf9\uc801\uc73c\ub85c \uad8c\uc7a5\ud569\ub2c8\ub2e4. \uc989, \uac80\uc0c9\uc5d0 \ud544\uc694\ud55c \ub370\uc774\ud130\ub4e4\uc744 \ubbf8\ub9ac \uc870\ud569\ud558\uc5ec \ud558\ub098\uc758 \ubb38\uc11c(Document)\uc5d0 \ubaa8\ub450 \ud3ec\ud568\uc2dc\ud0a4\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4.<\/span><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\uc608\ub97c \ub4e4\uc5b4, \uc1fc\ud551\ubab0\uc758 &#8216;\uc0c1\ud488&#8217; \ub370\uc774\ud130\ub97c \ubaa8\ub378\ub9c1\ud55c\ub2e4\uace0 \uac00\uc815\ud574\ubd05\uc2dc\ub2e4.<\/span><\/p>\n<ul>\n<li class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">RDBMS \ubc29\uc2dd:<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0<\/span><span class=\"inline-code ng-star-inserted\">products<\/span><span class=\"ng-star-inserted\">,\u00a0<\/span><span class=\"inline-code ng-star-inserted\">categories<\/span><span class=\"ng-star-inserted\">,\u00a0<\/span><span class=\"inline-code ng-star-inserted\">brands<\/span><span class=\"ng-star-inserted\">\u00a0\uc138 \uac1c\uc758 \ud14c\uc774\ube14\ub85c \ubd84\ub9ac<\/span><\/li>\n<li class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Elasticsearch \ubc29\uc2dd:<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0&#8216;\uc0c1\ud488&#8217; \ubb38\uc11c \ud558\ub098\uc5d0 \uce74\ud14c\uace0\ub9ac \uc774\ub984\uacfc \ube0c\ub79c\ub4dc \uc815\ubcf4\ub97c \ubaa8\ub450 \ud3ec\ud568<\/span><\/li>\n<\/ul>\n<p><span class=\"ng-star-inserted\">\uc774\ucc98\ub7fc \ube44\uc815\uaddc\ud654\ub97c \ud1b5\ud574 \ube44\ud6a8\uc728\uc801\uc778\u00a0<\/span><span class=\"inline-code ng-star-inserted\">JOIN<\/span><span class=\"ng-star-inserted\"> \uc5f0\uc0b0\uc744 \uc644\uc804\ud788 \uc81c\uac70\ud558\uace0, \ub2e8\uc77c \ubb38\uc11c \ub0b4\uc5d0\uc11c \ubaa8\ub4e0 \uac80\uc0c9\uacfc \ud544\ud130\ub9c1\uc774 \uac00\ub2a5\ud558\ub3c4\ub85d \ub9cc\ub4e4\uc5b4 \uac80\uc0c9 \uc131\ub2a5\uc744 \ud655\ubcf4\ud558\ub294 \uac83\uc774 Elasticsearch \ub370\uc774\ud130 \ubaa8\ub378\ub9c1\uc758 \ud575\uc2ec\uc785\ub2c8\ub2e4.<\/span><\/p>\n<h1 class=\"ng-star-inserted\"><span class=\"ez-toc-section\" id=\"%EB%8D%B0%EC%9D%B4%ED%84%B0_%EC%88%98%EC%A7%91Ingestion_%ED%8C%8C%EC%9D%B4%ED%94%84%EB%9D%BC%EC%9D%B8_%EC%95%84%ED%82%A4%ED%85%8D%EC%B2%98\"><\/span><span class=\"ng-star-inserted\">\ub370\uc774\ud130 \uc218\uc9d1(Ingestion) \ud30c\uc774\ud504\ub77c\uc778 \uc544\ud0a4\ud14d\ucc98<\/span><span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\ub370\uc774\ud130\ub97c \uc5b4\ub5bb\uac8c Elasticsearch\ub85c \uc548\uc815\uc801\uc774\uace0 \ud6a8\uc728\uc801\uc73c\ub85c \ubcf4\ub0bc \uac83\uc778\uc9c0 \uacb0\uc815\ud558\ub294 \uac83\uc740 \ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778 \uc124\uacc4\uc758 \uc911\uc694\ud55c \uacfc\uc81c\uc785\ub2c8\ub2e4. \uc218\uc9d1\ud558\ub824\ub294 \ub370\uc774\ud130\uc758 \uc885\ub958\uc640 \ud2b9\uc131\uc5d0 \ub530\ub77c \ub2e4\uc591\ud55c \uc544\ud0a4\ud14d\ucc98\ub97c \uad6c\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<ol class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Beats Family:<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\uacbd\ub7c9 \ub370\uc774\ud130 \uc218\uc9d1\uae30(Shipper)\uc778 Beats\ub97c \uc0ac\uc6a9\ud558\ub294 \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \ud328\ud134\uc785\ub2c8\ub2e4. \uc11c\ubc84 \ub85c\uadf8\ub294\u00a0<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Filebeat<\/span><\/strong><span class=\"ng-star-inserted\">, \uc2dc\uc2a4\ud15c \uba54\ud2b8\ub9ad\uc740\u00a0<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Metricbeat<\/span><\/strong><span class=\"ng-star-inserted\">, \ub124\ud2b8\uc6cc\ud06c \ub370\uc774\ud130\ub294\u00a0<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Packetbeat<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\ub4f1\uc744 \uc0ac\uc6a9\ud558\uc5ec \uac01 \uc11c\ubc84\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \ub370\uc774\ud130\ub97c \uc9c1\uc811 \uc218\uc9d1\ud558\uace0 Elasticsearch\ub85c \uc804\uc1a1\ud569\ub2c8\ub2e4.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Logstash (ETL \ud30c\uc774\ud504\ub77c\uc778):<\/span><\/strong><span class=\"ng-star-inserted\"> Beats\ub9cc\uc73c\ub85c \ucc98\ub9ac\ud558\uae30 \uc5b4\ub824\uc6b4 \ubcf5\uc7a1\ud55c \ub370\uc774\ud130 \uac00\uacf5\uc774 \ud544\uc694\ud560 \ub54c Logstash\uac00 \uc911\uac04 \ub2e4\ub9ac \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ub2e4\uc591\ud55c \uc18c\uc2a4(JDBC, S3, Kafka \ub4f1)\ub85c\ubd80\ud130 \ub370\uc774\ud130\ub97c \uc785\ub825\ubc1b\uc544 \ud30c\uc2f1, \ud544\ud130\ub9c1, \ubcc0\ud658\uc744 \uac70\uce5c \ub4a4 Elasticsearch\ub85c \uc804\uc1a1\ud558\ub294 ETL \ub3c4\uad6c\uc785\ub2c8\ub2e4.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Kafka &amp; Kafka Connect:<\/span><\/strong><span class=\"ng-star-inserted\"> \ub300\uc6a9\ub7c9\uc758 \uc2a4\ud2b8\ub9ac\ubc0d \ub370\uc774\ud130\ub97c \uc548\uc815\uc801\uc73c\ub85c \ucc98\ub9ac\ud574\uc57c \ud560 \ub54c \uc8fc\ub85c \uc0ac\uc6a9\ub418\ub294 \uc544\ud0a4\ud14d\ucc98\uc785\ub2c8\ub2e4. \ubaa8\ub4e0 \ub370\uc774\ud130\ub97c \uba3c\uc800 \uba54\uc2dc\uc9c0 \ud050\uc778 <\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Apache Kafka<\/span><\/strong><span class=\"ng-star-inserted\">\uc5d0 \ubaa8\uc544 \ubc84\ud37c\ub9c1 \uc5ed\ud560\uc744 \ud558\ub3c4\ub85d \ud558\uace0, <strong>Kafka Connect (Elasticsearch Sink Connector)<\/strong>\ub97c \uc0ac\uc6a9\ud558\uc5ec Kafka \ud1a0\ud53d\uc758 \ub370\uc774\ud130\ub97c Elasticsearch\ub85c \uc548\uc815\uc801\uc73c\ub85c \uc804\ub2ec\ud569\ub2c8\ub2e4. \uc774 \uad6c\uc870\ub294 \ub370\uc774\ud130 \uc720\uc2e4\uc744 \ubc29\uc9c0\ud558\uace0 \uc2dc\uc2a4\ud15c \uac04\uc758 \uacb0\ud569\ub3c4\ub97c \ub0ae\ucd94\ub294 \ud6a8\uacfc\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc9c1\uc811 \uc0c9\uc778:<\/span><\/strong><span class=\"ng-star-inserted\"> \uc11c\ube44\uc2a4 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc774\ubca4\ud2b8\ub098 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ubcc0\uacbd \uc0ac\ud56d\uc744 \uc9c1\uc811 Elasticsearch \uacf5\uc2dd \ud074\ub77c\uc774\uc5b8\ud2b8(Java, Python \ub4f1)\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc0c9\uc778\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4. \ub370\uc774\ud130\uc758 \uc815\ud569\uc131\uc774 \ub9e4\uc6b0 \uc911\uc694\ud560 \ub54c \uc8fc\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/span><\/p>\n<\/li>\n<\/ol>\n<p class=\"ng-star-inserted\">\uc774\ub7ec\ud55c \ud30c\uc774\ud504\ub77c\uc778 \uc804\ub7b5\uc744 \uc774\ud574\ud558\uace0 \ub370\uc774\ud130\uc758 \ud2b9\uc131\uc5d0 \ub9de\ub294 \ucd5c\uc801\uc758 \uc544\ud0a4\ud14d\ucc98\ub97c \uc124\uacc4\ud558\ub294 \uac83\uc774 \uc131\uacf5\uc801\uc778 Elasticsearch \uc6b4\uc601\uc758 \uae30\ubc18\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<h1><span class=\"ez-toc-section\" id=\"%EA%B2%B0%EB%A1%A0\"><\/span>\uacb0\ub860<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p><span class=\"ng-star-inserted\">Elasticsearch\ub294 \uc774\uc81c \uac80\uc0c9\uc744 \ub118\uc5b4\u00a0<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\ub370\uc774\ud130 \ubd84\uc11d\uacfc Observability \uc601\uc5ed\uc758 \ud575\uc2ec<\/span><\/strong><span class=\"ng-star-inserted\">\uc73c\ub85c \uc790\ub9ac \uc7a1\uc740 \ubd84\uc0b0 \uc2dc\uc2a4\ud15c\uc785\ub2c8\ub2e4. \uc2e4\uc2dc\uac04\uc5d0 \uac00\uae4c\uc6b4 \ub370\uc774\ud130 \ucc98\ub9ac \ub2a5\ub825, RESTful API\ub97c \ud1b5\ud55c \uc720\uc5f0\ud55c \uc81c\uc5b4, \uadf8\ub9ac\uace0 \uc0e4\ub4dc\uc640 \ub808\ud50c\ub9ac\uce74\ub97c \uae30\ubc18\uc73c\ub85c \ud55c \uc548\uc815\uc801\uc778 \uc218\ud3c9 \ud655\uc7a5\uc740 \ub300\uaddc\ubaa8 \ub370\uc774\ud130\ub97c \ub2e4\ub8e8\ub294 \ubaa8\ub4e0 \uc11c\ube44\uc2a4\uc758 \uae30\uc220\uc801 \uae30\ubc18\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e8\uc21c\ud788 \ube60\ub978 \uac80\uc0c9 \uae30\ub2a5\uc744 \uad6c\ud604\ud558\ub294 \uac83\uc744 \ub118\uc5b4, \ub85c\uadf8, \uba54\ud2b8\ub9ad, \ud2b8\ub79c\uc7ad\uc158 \ub370\uc774\ud130\ub97c \ud1b5\ud569\ud558\uc5ec \uc2dc\uc2a4\ud15c\uc758 \uc0c1\ud0dc\ub97c \ub2e4\uac01\ub3c4\ub85c \ubd84\uc11d\ud558\uace0 \ube44\uc988\ub2c8\uc2a4 \uc778\uc0ac\uc774\ud2b8\ub97c \ub3c4\ucd9c\ud558\ub294 \ub370 Elasticsearch\ub97c \ud65c\uc6a9\ud574 \ubcf4\uc2dc\uae38 \ubc14\ub78d\ub2c8\ub2e4. \uc774\ub294 \uc11c\ube44\uc2a4\uc758 \uc548\uc815\uc131\uc744 \ub192\uc774\uace0\u00a0<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\ub370\uc774\ud130 \uae30\ubc18 \uc758\uc0ac\uacb0\uc815\uc744 \uac00\uc18d\ud654\ud558\ub294 \uc911\uc694\ud55c \uccab\uac78\uc74c<\/span><\/strong><span class=\"ng-star-inserted\">\uc774 \ub420 \uac83\uc785\ub2c8\ub2e4.<\/span><\/p>\n<p><span class=\"ng-star-inserted\"><a href=\"https:\/\/www.nnt-consulting.com\/tech\/blog\/elasticsearch-part-2\/\">\uc774\uc5b4\uc9c0\ub294 \uae00<\/a>\uc5d0\uc11c\ub294, \ubd84\uc11d\uc6a9 \ub370\uc774\ud130 \uc6e8\uc5b4\ud558\uc6b0\uc2a4\uc778\u00a0<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">BigQuery\uc758 \ub370\uc774\ud130\ub97c \uc6f9\uc11c\ube44\uc2a4\ub85c \uac00\uc838\uc624\ub294 \uacfc\uc815\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc131\ub2a5 \uc774\uc288\ub97c \uc5b4\ub5bb\uac8c \ud574\uacb0\ud588\ub294\uc9c0<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\ub2e4\ub8e8\uaca0\uc2b5\ub2c8\ub2e4.\u00a0<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Elasticsearch\ub97c Serving Layer\ub85c \ud65c\uc6a9<\/span><\/strong><span class=\"ng-star-inserted\">\ud558\uace0 Spring Boot\ub85c API\ub97c \uad6c\ud604\ud558\uc5ec,\u00a0<\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\uc218\uc2ed \ucd08\uc5d0 \ub2ec\ud558\ub358 \ub370\uc774\ud130 \uc870\ud68c \uc2dc\uac04\uc744 \ubc00\ub9ac\ucd08(ms) \ub2e8\uc704\ub85c \ub2e8\ucd95\uc2dc\ud0a8<\/span><\/strong><span class=\"ng-star-inserted\">\u00a0\uc0ac\ub840\ub97c \uc18c\uac1c\ud574 \ub4dc\ub9b4 \uc608\uc815\uc785\ub2c8\ub2e4.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Elasticsearch Elasticsearch\ub294 Apache Lucene \uae30\ubc18\uc758 \uc624\ud508\uc18c\uc2a4 \uac80\uc0c9 \ubc0f \ubd84\uc11d \uc5d4\uc9c4\uc785\ub2c8\ub2e4. \ubc29\ub300\ud55c \uc591\uc758 \ub370\uc774\ud130\ub97c \uc2e0\uc18d\ud558\uac8c, \uac70\uc758 \uc2e4\uc2dc\uac04\uc73c\ub85c \uc800\uc7a5, \uac80\uc0c9, \ubd84\uc11d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\u00a0 \uae30\uc874\uc758 \uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uac00 \ub2e4\ub8e8\uae30 \uc5b4\ub824\uc6e0\ub358 \ube44\uc815\ud615 \ub370\uc774\ud130 \uac80\uc0c9, \ud2b9\ud788 Full-text \uac80\uc0c9\uc5d0 \ub9e4\uc6b0 \ub6f0\uc5b4\ub09c \uc131\ub2a5\uc744 \ubcf4\uc785\ub2c8\ub2e4. Elasticsearch\ub294 \ub2e8\uc21c\ud55c \uac80\uc0c9 \uc5d4\uc9c4\uc744 \ub118\uc5b4, \ub85c\uadf8 \ubd84\uc11d, \uc2e4\uc2dc\uac04 \ub370\uc774\ud130 \uc2dc\uac01\ud654, \ube44\uc988\ub2c8\uc2a4 \uc778\ud154\ub9ac\uc804\uc2a4 \ub4f1 \ub2e4\uc591\ud55c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[8,56,54,55,57,31,27,7],"class_list":["post-515","post","type-post","status-publish","format-standard","hentry","category-1","tag-data-engineering","tag-elastic","tag-elasticsearch","tag-elk","tag-57","tag-31","tag-27","tag-7","col-md-12"],"_links":{"self":[{"href":"https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-json\/wp\/v2\/posts\/515","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-json\/wp\/v2\/comments?post=515"}],"version-history":[{"count":17,"href":"https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-json\/wp\/v2\/posts\/515\/revisions"}],"predecessor-version":[{"id":627,"href":"https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-json\/wp\/v2\/posts\/515\/revisions\/627"}],"wp:attachment":[{"href":"https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-json\/wp\/v2\/media?parent=515"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-json\/wp\/v2\/categories?post=515"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nnt-consulting.com\/tech\/blog\/wp-json\/wp\/v2\/tags?post=515"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}