{"id":941,"date":"2026-02-12T23:01:26","date_gmt":"2026-02-12T14:01:26","guid":{"rendered":"http:\/\/www.igoni.kr\/?p=941"},"modified":"2026-02-12T23:01:26","modified_gmt":"2026-02-12T14:01:26","slug":"1-elk-stack-%ec%86%8c%ea%b0%9c","status":"publish","type":"post","link":"http:\/\/www.igoni.kr\/?p=941","title":{"rendered":"1. ELK Stack \uc18c\uac1c"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\ubaa9 \ucc28<\/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-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"http:\/\/www.igoni.kr\/?p=941\/#ELK_Stack\" >ELK Stack?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"http:\/\/www.igoni.kr\/?p=941\/#Component%EB%B3%84_%EC%97%AD%ED%99%9C\" >Component\ubcc4 \uc5ed\ud65c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"http:\/\/www.igoni.kr\/?p=941\/#%ED%95%98%EB%93%9C%EC%9B%A8%EC%96%B4_%EC%9A%94%EA%B5%AC%EC%82%AC%ED%95%AD\" >\ud558\ub4dc\uc6e8\uc5b4 \uc694\uad6c\uc0ac\ud56d<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"http:\/\/www.igoni.kr\/?p=941\/#ELK_Data_Flow\" >ELK Data Flow<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"http:\/\/www.igoni.kr\/?p=941\/#Elasticsearch_%EA%B5%AC%EC%84%B1\" >Elasticsearch \uad6c\uc131<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"http:\/\/www.igoni.kr\/?p=941\/#Index_%EC%88%98%EB%AA%85%EC%A3%BC%EA%B8%B0%EC%97%90_%EB%94%B0%EB%A5%B8_%EB%85%B8%EB%93%9C_%EA%B4%80%EB%A6%AC_67%EC%9D%B4%ED%9B%84%EB%B6%80%ED%84%B0_%EA%B3%B5%EC%8B%9D%EB%A6%B4%EB%A6%AC%EC%A6%88%EC%97%90_%ED%8F%AC%ED%95%A8%EB%90%9C_%EA%B8%B0%EB%8A%A5\" >Index \uc218\uba85\uc8fc\uae30\uc5d0 \ub530\ub978 \ub178\ub4dc \uad00\ub9ac : 6.7\uc774\ud6c4\ubd80\ud130 \uacf5\uc2dd\ub9b4\ub9ac\uc988\uc5d0 \ud3ec\ud568\ub41c \uae30\ub2a5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"http:\/\/www.igoni.kr\/?p=941\/#Index_%EA%B4%80%EB%A6%AC_%EA%B7%9C%EC%B9%99\" >Index \uad00\ub9ac \uaddc\uce59<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"http:\/\/www.igoni.kr\/?p=941\/#Index_%EC%83%81%ED%83%9C_%ED%99%95%EC%9D%B8\" >Index \uc0c1\ud0dc \ud655\uc778<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"http:\/\/www.igoni.kr\/?p=941\/#%EB%8D%B0%EC%9D%B4%ED%84%B0_%EA%B4%80%EB%A6%AC%EB%B0%A9%EC%95%88_%EC%9D%B8%EB%8D%B1%EC%8A%A4_%EC%83%9D%EC%84%B1%EC%8B%9C_%EC%A0%95%ED%95%B4%EC%95%BC_%ED%95%98%EA%B3%A0_%EB%8D%B0%EC%9D%B4%ED%84%B0%EA%B0%80_%EC%A0%80%EC%9E%A5%EB%90%98%EC%96%B4_%EC%9E%88%EB%8A%94_%EA%B2%BD%EC%9A%B0_re-index_%EC%9E%91%EC%97%85%ED%95%B4%EC%95%BC_%EB%B0%98%EC%98%81%EB%90%A8\" >\ub370\uc774\ud130\u00a0 \uad00\ub9ac\ubc29\uc548 (\uc778\ub371\uc2a4 \uc0dd\uc131\uc2dc \uc815\ud574\uc57c \ud558\uace0, \ub370\uc774\ud130\uac00 \uc800\uc7a5\ub418\uc5b4 \uc788\ub294 \uacbd\uc6b0 re-index \uc791\uc5c5\ud574\uc57c \ubc18\uc601\ub428)<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h3 id=\"bkmrk-elk-stack%3F\"><span class=\"ez-toc-section\" id=\"ELK_Stack\"><\/span>ELK Stack?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul id=\"bkmrk-%EA%B0%81-%EC%84%9C%EB%B2%84%EC%97%90-%EC%A0%80%EC%9E%A5%EB%90%9C-%EB%A1%9C%EA%B7%B8%EC%84%B1-%EB%8D%B0%EC%9D%B4%ED%84%B0%EB%A5%BC-%ED%95%9C\">\n<li class=\"null\">\uac01 \uc11c\ubc84\uc5d0 \uc800\uc7a5\ub41c \ub85c\uadf8\uc131 \ub370\uc774\ud130\ub97c \ud55c\uacf3\uc5d0 \ubaa8\uc544\uc11c \uc2dc\uac01\ud654 \ud558\ub294 Opensource<\/li>\n<li class=\"null\">Elasticsearch \/ Logstash \/ Kibana\ub97c \uc904\uc5ec ELK\ub77c\uace0 \uba85\uce6d\ud558\uace0 \uc788\uc5c8\uace0, fileBeat\uac00 \ucd94\uac00\ub418\uba74\uc11c ELK Stack\uc73c\ub85c \uba85\uce6d.<\/li>\n<\/ul>\n<h3 id=\"bkmrk-component%EB%B3%84-%EC%97%AD%ED%99%9C\"><span class=\"ez-toc-section\" id=\"Component%EB%B3%84_%EC%97%AD%ED%99%9C\"><\/span>Component\ubcc4 \uc5ed\ud65c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul id=\"bkmrk-filebeat-%3A-%EC%8B%9C%EC%8A%A4%ED%85%9C%EC%97%90-%EA%B8%B0%EB%A1%9D%EB%90%9C-\">\n<li class=\"null\"><strong>filebeat<\/strong> : \uc2dc\uc2a4\ud15c\uc5d0 \uae30\ub85d\ub41c \ub85c\uadf8\ub370\uc774\ud130\ub97c logstash\ub85c \ubcf4\ub0b4\uae30 \uc704\ud55c \uc5ed\ud65c<br \/>\n(logstash\ubcf4\ub2e4 \uacbd\ub7c9\ud654\ub418\uc5c8\uace0, \ub85c\uadf8\ub370\uc774\ud130\uac00 json\uc73c\ub85c \ud30c\uc2f1\ub418\uc5b4 \uc788\ub294 \uacbd\uc6b0 logstash\ub97c \uac70\uce58\uc9c0 \uc54a\uace0 elasticsearch\ubc14\ub85c \uc804\uc1a1\ud560 \uc218 \uc788\ub2e4 \ud568)<\/li>\n<li class=\"null\"><strong>Logstash<\/strong> : filebeat\uc5d0\uc11c \ubc1b\uc740 \ub85c\uadf8, \uc2dc\uc2a4\ud15c\uc5d0 \uae30\ub85d\ub41c \ub85c\uadf8\ub370\uc774\ud130\ub97c Elasticsearch\ub85c \ubcf4\ub0b4\ub294 \uc5ed\ud65c<\/li>\n<li class=\"null\"><strong>Elasticsearch<\/strong> : logstash\uc5d0\uc11c \uc804\ub2ec\ubc1b\uc740 \ub370\uc774\ud130\ub97c DB\ud654 \uc218\ud589<\/li>\n<li class=\"null\"><strong>Kibana<\/strong>\u00a0: Elasticsearch\uc5d0\uc11c \uc815\uc81c\ub41c \ub370\uc774\ud130\ub97c \uc2dc\uac01\ud654 \uc218\ud589<\/li>\n<\/ul>\n<h3 id=\"bkmrk-%ED%95%98%EB%93%9C%EC%9B%A8%EC%96%B4-%EC%9A%94%EA%B5%AC%EC%82%AC%ED%95%AD\"><span class=\"ez-toc-section\" id=\"%ED%95%98%EB%93%9C%EC%9B%A8%EC%96%B4_%EC%9A%94%EA%B5%AC%EC%82%AC%ED%95%AD\"><\/span>\ud558\ub4dc\uc6e8\uc5b4 \uc694\uad6c\uc0ac\ud56d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<table id=\"bkmrk-component-hardware-%EC%84%A4\" class=\"relative-table confluenceTable tablesorter tablesorter-default stickyTableHeaders\" role=\"grid\">\n<colgroup>\n<col \/>\n<col \/>\n<col \/>\n<col \/><\/colgroup>\n<thead class=\"tableFloatingHeaderOriginal\">\n<tr class=\"tablesorter-headerRow\" role=\"row\">\n<th class=\"confluenceTh tablesorter-header sortableHeader tablesorter-headerUnSorted\" tabindex=\"0\" role=\"columnheader\" colspan=\"1\" scope=\"col\" data-column=\"0\" aria-disabled=\"false\" aria-sort=\"none\" aria-label=\"Component: No sort applied, activate to apply an ascending sort\">\n<div class=\"tablesorter-header-inner\"><strong>Component<\/strong><\/div>\n<\/th>\n<th class=\"confluenceTh tablesorter-header sortableHeader tablesorter-headerUnSorted\" tabindex=\"0\" role=\"columnheader\" colspan=\"1\" scope=\"col\" data-column=\"1\" aria-disabled=\"false\" aria-sort=\"none\" aria-label=\"Hardware: No sort applied, activate to apply an ascending sort\">\n<div class=\"tablesorter-header-inner\"><strong>Hardware<\/strong><\/div>\n<\/th>\n<th class=\"confluenceTh tablesorter-header sortableHeader tablesorter-headerUnSorted\" tabindex=\"0\" role=\"columnheader\" colspan=\"1\" scope=\"col\" data-column=\"2\" aria-disabled=\"false\" aria-sort=\"none\" aria-label=\"\uc124\u00a0 \uba85: No sort applied, activate to apply an ascending sort\">\n<div class=\"tablesorter-header-inner\"><strong>\uc124\u00a0 \uba85<\/strong><\/div>\n<\/th>\n<th class=\"confluenceTh tablesorter-header sortableHeader tablesorter-headerUnSorted\" tabindex=\"0\" role=\"columnheader\" colspan=\"1\" scope=\"col\" data-column=\"3\" aria-disabled=\"false\" aria-sort=\"none\" aria-label=\"\ube44\u00a0 \u00a0\uace0: No sort applied, activate to apply an ascending sort\">\n<div class=\"tablesorter-header-inner\"><strong>\ube44\u00a0 \u00a0\uace0<\/strong><\/div>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody aria-live=\"polite\" aria-relevant=\"all\">\n<tr role=\"row\">\n<td class=\"confluenceTd\">Elasticsearch<\/td>\n<td class=\"confluenceTd\" colspan=\"1\">cpu<\/td>\n<td class=\"confluenceTd\">8 Core<\/td>\n<td class=\"confluenceTd\" colspan=\"1\"><\/td>\n<\/tr>\n<tr role=\"row\">\n<td class=\"confluenceTd\">Elasticsearch<\/td>\n<td class=\"confluenceTd\" colspan=\"1\">mem<\/td>\n<td class=\"confluenceTd\">\ucd5c\uc18c : 16GB<\/p>\n<p>\uad8c\uc7a5 : 64GB \uc774\uc0c1<\/td>\n<td class=\"confluenceTd\" colspan=\"1\">8GB \uc774\ud558\uc5d0\uc11c \uc0ac\uc6a9\uc2dc \uc791\ub3d9\uc624\ub958 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc74c<\/td>\n<\/tr>\n<tr role=\"row\">\n<td class=\"confluenceTd\">Elasticsearch<\/td>\n<td class=\"confluenceTd\" colspan=\"1\">disk<\/td>\n<td class=\"confluenceTd\">SSD \uc0ac\uc6a9<\/td>\n<td class=\"confluenceTd\" colspan=\"1\">*\u00a0ssd\uc5d0\uc11c\ub294 io\uc2a4\ucf00\uc974\ub7ec\ub294 deadline\ub300\uc2e0 noop\uc73c\ub85c \ubcc0\uacbd<\/p>\n<p>cfq : r\/r, deadline : 10\ucd08, noop :<br \/>\n*\u00a0ATA\ub514\uc2a4\ud06c\ub97c \uc0ac\uc6a9\ud574\uc57c \ud560 \uacbd\uc6b0 15K rpm \ub514\uc2a4\ud06c \uc0ac\uc6a9<br \/>\n*\u00a0NAS\uc5d0 \ub370\uc774\ud130 \uc800\uc7a5\uc740 \ube44\uad8c\uc7a5<\/td>\n<\/tr>\n<tr role=\"row\">\n<td class=\"confluenceTd\" colspan=\"1\">Kibana<\/td>\n<td class=\"confluenceTd\" colspan=\"1\">cpu<\/td>\n<td class=\"confluenceTd\" colspan=\"1\">8 Core<\/td>\n<td class=\"confluenceTd\" colspan=\"1\"><\/td>\n<\/tr>\n<tr role=\"row\">\n<td class=\"confluenceTd\" colspan=\"1\">Kibana<\/td>\n<td class=\"confluenceTd\" colspan=\"1\">mem<\/td>\n<td class=\"confluenceTd\" colspan=\"1\">\ucd5c\uc18c 1GB<br \/>\n\uad8c\uc7a5 : 4GB \uc774\uc0c1<\/td>\n<td class=\"confluenceTd\" colspan=\"1\"><\/td>\n<\/tr>\n<tr role=\"row\">\n<td class=\"confluenceTd\" colspan=\"1\">Kibana<\/td>\n<td class=\"confluenceTd\" colspan=\"1\">disk<\/td>\n<td class=\"confluenceTd\" colspan=\"1\">\uc81c\uc57d\uc5c6\uc74c<\/td>\n<td class=\"confluenceTd\" colspan=\"1\"><\/td>\n<\/tr>\n<tr role=\"row\">\n<td class=\"confluenceTd\" colspan=\"1\">Logstash<\/td>\n<td class=\"confluenceTd\" colspan=\"1\">cpu<\/td>\n<td class=\"confluenceTd\" colspan=\"1\">2Core<\/td>\n<td class=\"confluenceTd\" colspan=\"1\"><\/td>\n<\/tr>\n<tr role=\"row\">\n<td class=\"confluenceTd\" colspan=\"1\">Logstash<\/td>\n<td class=\"confluenceTd\" colspan=\"1\">mem<\/td>\n<td class=\"confluenceTd\" colspan=\"1\">2GB<\/td>\n<td class=\"confluenceTd\" colspan=\"1\"><\/td>\n<\/tr>\n<tr role=\"row\">\n<td class=\"confluenceTd\" colspan=\"1\">Logstash<\/td>\n<td class=\"confluenceTd\" colspan=\"1\">disk<\/td>\n<td class=\"confluenceTd\" colspan=\"1\">\uc81c\uc57d\uc5c6\uc74c<\/td>\n<td class=\"confluenceTd\" colspan=\"1\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p id=\"bkmrk-%2A-elasticsearch%EC%97%90%EC%84%9C-%EC%82%AC%EC%9A%A9\">* Elasticsearch\uc5d0\uc11c \uc0ac\uc6a9\ud560 \ub514\uc2a4\ud06c \uc6a9\ub7c9 \uacc4\uc0b0 \ubc29\ubc95<br \/>\n(\uc608\uc0c1 \ub85c\uadf8\uc591 * \ubcf4\uad00\uc77c ) * \ub370\uc774\ud130 \ub178\ub4dc\uc218\uac00 \uae30\ubcf8\uc801\uc778 \uc6a9\ub7c9 \uacc4\uc0b0\ubc29\ubc95<\/p>\n<h3 id=\"bkmrk-elk-data-flow\"><span class=\"ez-toc-section\" id=\"ELK_Data_Flow\"><\/span>ELK Data Flow<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ol id=\"bkmrk-node%EC%97%90-%EC%84%A4%EC%B9%98%EB%90%98%EB%8A%94-filebeat%EB%8C%80\">\n<li>Node\uc5d0 \uc124\uce58\ub418\ub294 filebeat\ub300\uc2e0\uc5d0 logstash\ub97c \uc124\uce58\ud574\uc11c ElasticSearch\ub85c \ubc14\ub85c \uc804\uc1a1\ud560\uc218 \uc788\uc74c.<\/li>\n<li>filebeat \/ logstash\uc758 RSS\uba54\ubaa8\ub9ac \uc0ac\uc6a9\ub7c9 \ube44\uad50\n<ul>\n<li>\ub85c\uadf8 \ub370\uc774\ud130\ub294 \ucd08\ub2f9 1Mbyte\uc529 \uc804\uc1a1\ud560\uc218 \uc788\uac8c \ub85c\uadf8\ud30c\uc77c \uc0dd\uc131, \ucd1d 100\ucd08\ub3d9\uc548 \ucd08\ub2e8\uc704\ub85c \uc218\uc9d1 \uc9c4\ud589\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-943\" src=\"http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/02\/Akgimage.png\" alt=\"\" width=\"495\" height=\"285\" srcset=\"http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/02\/Akgimage.png 495w, http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/02\/Akgimage-300x173.png 300w\" sizes=\"auto, (max-width: 495px) 100vw, 495px\" \/><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3 id=\"bkmrk-elasticsearch-%EA%B5%AC%EC%84%B1\"><span class=\"ez-toc-section\" id=\"Elasticsearch_%EA%B5%AC%EC%84%B1\"><\/span>Elasticsearch \uad6c\uc131<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul id=\"bkmrk-elasticsearch-%EB%85%B8%EB%93%9C-%EC%A2%85%EB%A5%98-\">\n<li class=\"null\">Elasticsearch \ub178\ub4dc \uc885\ub958\n<ul>\n<li class=\"null\"><strong>master node<\/strong>\u00a0: Elasticsearch\uc758 \uc778\ub371\uc2a4 \uba54\ud0c0\ub370\uc774\ud130, \uc0e4\ub4dc, \ud074\ub7ec\uc2a4\ud130 \uc0c1\ud0dc \uc815\ubcf4\ub97c \uad00\ub9ac\ud558\ub294 \uc5ed\ud65c.. \uc11c\ubc84 \uc218\ub7c9\uc774 \ub9ce\uc744\ub54c \ubaa8\ub4e0 \ub178\ub4dc\uac00 master\uc5ed\ud65c\uc744 \uc218\ud589\ud560 \uacbd\uc6b0<br \/>\n\uc131\ub2a5\uc0c1 \ubd80\ub2f4\uc774 \ub418\uae30 \ub54c\ubb38\uc5d0 \ud1b5\uc0c1\uc801\uc73c\ub85c 10\ub300\uc774\uc0c1 \uad6c\uc131\ub420 \uacbd\uc6b0 master\/data \ub178\ub4dc \ubd84\ub9ac\ud574\uc11c \uc6b4\uc601\ud558\ub294\uac83\uc774\u00a0 best\u00a0practice<\/li>\n<li class=\"null\"><strong>data node<\/strong>\u00a0: \uc2e4\uc81c \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\ub294 \ub178\ub4dc<\/li>\n<\/ul>\n<\/li>\n<li class=\"null\">Cluster\uae30\ubc18\uc758 \ud1b5\uc2e0\uc815\ucc45\n<ul>\n<li class=\"null\">\ud074\ub77c\uc774\uc5b8\ud2b8\uc640 Elasticsearch\uc640\uc758 \ud1b5\uc2e0\uc744 \uc704\ud55c \ud3ec\ud2b8 : tcp\/9200<\/li>\n<li class=\"null\">Elasticsearch\ub178\ub4dc\uac04\uc758 \ud1b5\uc2e0\uc744 \uc704\ud55c \ud3ec\ud2b8 : tcp\/9300<\/li>\n<\/ul>\n<\/li>\n<li class=\"null\">\uc6a9\uc5b4 \ud655\uc778 \/ \ube44\uad50<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-945\" src=\"http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/02\/m31image.png\" alt=\"\" width=\"903\" height=\"439\" srcset=\"http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/02\/m31image.png 903w, http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/02\/m31image-300x146.png 300w, http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/02\/m31image-768x373.png 768w\" sizes=\"auto, (max-width: 903px) 100vw, 903px\" \/><\/p>\n<p id=\"bkmrk--0\" class=\"gliffy-container gliffy-container-354846205 conf-macro output-inline\" data-fullwidth=\"903\" data-ceoid=\"354845152\" data-pageid=\"419597007\" data-islinked=\"true\" data-edit=\"\/plugins\/gliffy\/editor.action?inline=false&amp;pageId=419597007&amp;name=elk%20default&amp;displayName=elk%20default&amp;ceoid=354845152&amp;key=csdevTX&amp;lastPage=%2Fpages%2Fviewpage.action%3FpageId%3D419597007&amp;macroId=\" data-full=\"\/plugins\/gliffy\/viewer.action?inline=false&amp;pageId=419597007&amp;name=elk%20default&amp;ceoid=354845152&amp;key=csdevTX&amp;lastPage=%2Fpages%2Fviewpage.action%3FpageId%3D419597007&amp;imageUrl=%2Fdownload%2Fattachments%2F354845152%2Felk%2520default.png%3Fversion%3D5%26modificationDate%3D1618976809000%26api%3Dv2&amp;gonUrl=%2Fdownload%2Fattachments%2F354845152%2Felk%2520default%3Fapi%3Dv2\" data-attachmentid=\"354846205\" data-version=\"0\" data-filename=\"elk default\" data-displayname=\"elk default\" data-embed-link-enabled=\"true\" data-hasbody=\"false\" data-macro-name=\"gliffy\">\n<map id=\"bkmrk--1\" name=\"gliffy-map-354846205-8201\"><\/map>\n<\/p>\n<p id=\"bkmrk-%C2%A0\">\n<div id=\"bkmrk-dbms-%28like%2C-mysql%29-e\" class=\"diagram-content-container gliffy-image-border\">\n<div class=\"gliffy-html5-loading-spinner-container\">\n<table class=\"confluenceTable tablesorter tablesorter-default stickyTableHeaders\" style=\"width: 100%; height: 289px; border-collapse: collapse;\" role=\"grid\" border=\"1\">\n<colgroup>\n<col style=\"width: 46.2012%;\" \/>\n<col style=\"width: 53.6322%;\" \/><\/colgroup>\n<thead class=\"tableFloatingHeaderOriginal\">\n<tr class=\"tablesorter-headerRow\" style=\"height: 30.0391px;\" role=\"row\">\n<th class=\"confluenceTh tablesorter-header sortableHeader tablesorter-headerUnSorted\" style=\"height: 30.0391px;\" tabindex=\"0\" role=\"columnheader\" scope=\"col\" data-column=\"0\" aria-disabled=\"false\" aria-sort=\"none\" aria-label=\"DBMS (like, mysql): No sort applied, activate to apply an ascending sort\">\n<div class=\"tablesorter-header-inner\">DBMS (like, mysql)<\/div>\n<\/th>\n<th class=\"confluenceTh tablesorter-header sortableHeader tablesorter-headerUnSorted\" style=\"height: 30.0391px;\" tabindex=\"0\" role=\"columnheader\" scope=\"col\" data-column=\"1\" aria-disabled=\"false\" aria-sort=\"none\" aria-label=\"Elasticsearch: No sort applied, activate to apply an ascending sort\">\n<div class=\"tablesorter-header-inner\">Elasticsearch<\/div>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody aria-live=\"polite\" aria-relevant=\"all\">\n<tr style=\"height: 30.0391px;\" role=\"row\">\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\">database<\/td>\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\">index<\/td>\n<\/tr>\n<tr style=\"height: 30.0391px;\" role=\"row\">\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\">table<\/td>\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\">type<\/td>\n<\/tr>\n<tr style=\"height: 30.0391px;\" role=\"row\">\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\">row<\/td>\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\">document<\/td>\n<\/tr>\n<tr style=\"height: 30.0391px;\" role=\"row\">\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\">column<\/td>\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\">field<\/td>\n<\/tr>\n<tr style=\"height: 30.0391px;\" role=\"row\">\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\" colspan=\"1\">schema<\/td>\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\" colspan=\"1\">mapping<\/td>\n<\/tr>\n<tr style=\"height: 30.0391px;\" role=\"row\">\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\" colspan=\"1\">index<\/td>\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\" colspan=\"1\">index<\/td>\n<\/tr>\n<tr style=\"height: 30.0391px;\" role=\"row\">\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\" colspan=\"1\">sql<\/td>\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\" colspan=\"1\">Query DSL<\/td>\n<\/tr>\n<tr style=\"height: 30.0391px;\" role=\"row\">\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\" colspan=\"1\">select<\/td>\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\" colspan=\"1\">GET (Rest API\uc0ac\uc6a9)<\/td>\n<\/tr>\n<tr style=\"height: 30.0391px;\" role=\"row\">\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\" colspan=\"1\">update<\/td>\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\" colspan=\"1\">PUT (Rest API\uc0ac\uc6a9)<\/td>\n<\/tr>\n<tr style=\"height: 30.0391px;\" role=\"row\">\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\" colspan=\"1\">insert<\/td>\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\" colspan=\"1\">POST (Rest API\uc0ac\uc6a9)<\/td>\n<\/tr>\n<tr style=\"height: 30.0391px;\" role=\"row\">\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\" colspan=\"1\">delete<\/td>\n<td class=\"confluenceTd\" style=\"height: 30.0391px;\" colspan=\"1\">DELETE (Rest API\uc0ac\uc6a9)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p id=\"bkmrk-%C2%A0-0\">\n<h4 id=\"bkmrk-index-%EC%88%98%EB%AA%85%EC%A3%BC%EA%B8%B0%EC%97%90-%EB%94%B0%EB%A5%B8-%EB%85%B8%EB%93%9C-%EA%B4%80%EB%A6%AC\"><span class=\"ez-toc-section\" id=\"Index_%EC%88%98%EB%AA%85%EC%A3%BC%EA%B8%B0%EC%97%90_%EB%94%B0%EB%A5%B8_%EB%85%B8%EB%93%9C_%EA%B4%80%EB%A6%AC_67%EC%9D%B4%ED%9B%84%EB%B6%80%ED%84%B0_%EA%B3%B5%EC%8B%9D%EB%A6%B4%EB%A6%AC%EC%A6%88%EC%97%90_%ED%8F%AC%ED%95%A8%EB%90%9C_%EA%B8%B0%EB%8A%A5\"><\/span>Index \uc218\uba85\uc8fc\uae30\uc5d0 \ub530\ub978 \ub178\ub4dc \uad00\ub9ac : 6.7\uc774\ud6c4\ubd80\ud130 \uacf5\uc2dd\ub9b4\ub9ac\uc988\uc5d0 \ud3ec\ud568\ub41c \uae30\ub2a5<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul id=\"bkmrk-hot-%3A-%EA%B0%80%EC%9E%A5%EB%A7%8E%EC%9D%B4-%EA%B2%80%EC%83%89%EB%90%98%EB%8A%94-%EC%9D%B8%EB%8D%B1%EC%8A%A4-\">\n<li class=\"null\">hot : \uac00\uc7a5\ub9ce\uc774 \uac80\uc0c9\ub418\ub294 \uc778\ub371\uc2a4<\/li>\n<li class=\"null\">warm : \uac80\uc0c9\ub418\uae34\ud558\uc9c0\ub9cc, \uc790\uc8fc \uac80\uc0c9\ub418\uc9c0 \uc54a\uc740 \uc778\ub371\uc2a4<\/li>\n<li class=\"null\">cold : \uc790\uc8fc \uac80\uc0c9\ub418\uc9c0 \uc54a\uc73c\ub098, \ub9cc\uc57d\uc744 \uc704\ud574 \uc720\uc9c0\ud558\ub294 \uc778\ub371\uc2a4<\/li>\n<\/ul>\n<h4 id=\"bkmrk-index-%EA%B4%80%EB%A6%AC-%EA%B7%9C%EC%B9%99\"><span class=\"ez-toc-section\" id=\"Index_%EA%B4%80%EB%A6%AC_%EA%B7%9C%EC%B9%99\"><\/span>Index \uad00\ub9ac \uaddc\uce59<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul id=\"bkmrk-create-%3A%C2%A0-%EC%9D%B8%EB%8D%B1%EC%8A%A4-%EC%83%9D%EC%84%B1-clo\">\n<li class=\"null\">Create :\u00a0 \uc778\ub371\uc2a4 \uc0dd\uc131<\/li>\n<li class=\"null\">close : \uc778\ub371\uc2a4\ub294 \uc720\uc9c0\ud558\ub418, write\ub294 \ubd88\uac00<\/li>\n<li class=\"null\">delete : \uc778\ub371\uc2a4 \uc0ad\uc81c<\/li>\n<\/ul>\n<h4 id=\"bkmrk-index-%EC%83%81%ED%83%9C-%ED%99%95%EC%9D%B8\"><span class=\"ez-toc-section\" id=\"Index_%EC%83%81%ED%83%9C_%ED%99%95%EC%9D%B8\"><\/span>Index \uc0c1\ud0dc \ud655\uc778<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul id=\"bkmrk-green-%3A-%EC%83%A4%EB%93%9C%2C-%EB%A6%AC%ED%94%8C%EB%A6%AC%EC%BC%80%EC%9D%B4%EC%85%98-%EB%AA%A8\">\n<li class=\"null\">green : \uc0e4\ub4dc, \ub9ac\ud50c\ub9ac\ucf00\uc774\uc158 \ubaa8\ub450 \uc815\uc0c1\uc778 \uc0c1\ud0dc<\/li>\n<li class=\"null\">yellow : \uc77c\ubd80 \uc778\ub371\uc2a4\uac00 \ube44\uc815\uc0c1\uc801\uc73c\ub85c \uad6c\ub3d9\ub418\uace0 \uc788\ub294 \uc0c1\ud0dc<\/li>\n<li class=\"null\">red : \ubaa8\ub4e0 \uc778\ub371\uc2a4\uc758 \uc0e4\ub4dc\uac00 \ube44\uc815\uc0c1\uc801\uc73c\ub85c \uad6c\ub3d9\ub418\uace0 \uc788\ub294 \uc0c1\ud0dc, \uc778\ub371\uc2a4 \ub370\uc774\ud130\uc758 read\/write\uac00 \ubd88\uac00\ub2a5<\/li>\n<\/ul>\n<h4 id=\"bkmrk-%EB%8D%B0%EC%9D%B4%ED%84%B0%C2%A0-%EA%B4%80%EB%A6%AC%EB%B0%A9%EC%95%88-%28%EC%9D%B8%EB%8D%B1%EC%8A%A4-%EC%83%9D%EC%84%B1%EC%8B%9C-%EC%A0%95\"><span class=\"ez-toc-section\" id=\"%EB%8D%B0%EC%9D%B4%ED%84%B0_%EA%B4%80%EB%A6%AC%EB%B0%A9%EC%95%88_%EC%9D%B8%EB%8D%B1%EC%8A%A4_%EC%83%9D%EC%84%B1%EC%8B%9C_%EC%A0%95%ED%95%B4%EC%95%BC_%ED%95%98%EA%B3%A0_%EB%8D%B0%EC%9D%B4%ED%84%B0%EA%B0%80_%EC%A0%80%EC%9E%A5%EB%90%98%EC%96%B4_%EC%9E%88%EB%8A%94_%EA%B2%BD%EC%9A%B0_re-index_%EC%9E%91%EC%97%85%ED%95%B4%EC%95%BC_%EB%B0%98%EC%98%81%EB%90%A8\"><\/span>\ub370\uc774\ud130\u00a0 \uad00\ub9ac\ubc29\uc548 (\uc778\ub371\uc2a4 \uc0dd\uc131\uc2dc \uc815\ud574\uc57c \ud558\uace0, \ub370\uc774\ud130\uac00 \uc800\uc7a5\ub418\uc5b4 \uc788\ub294 \uacbd\uc6b0 re-index \uc791\uc5c5\ud574\uc57c \ubc18\uc601\ub428)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul id=\"bkmrk-shard-%3A%C2%A0-document%EB%A5%BC-%EB%85%B8\">\n<li class=\"null\">shard :\n<ul>\n<li class=\"null\">Document\ub97c \ub178\ub4dc\ub2e8\uc704\ub85c \ubd84\uc0b0\uc800\uc7a5\ud558\ub294 \ubc29\uc2dd (7.x\ubd80\ud130\ub294 Default\uac00 1\ub85c \uc124\uc815, 6.x \uc774\ud558\ub294 Default\uac00 5)<\/li>\n<li class=\"null\">\ub370\uc774\ud130\ub97c \ubd84\uc0b0 \uc800\uc7a5\ud558\ub294 \uac83\ubfd0\ub9cc \uc544\ub2c8\ub77c \ubd84\uc0b0 \uac80\uc0c9\ub3c4 \uc218\ud589\ud568. shard\uc758 \uac2f\uc218\uac00 \uc99d\uac00\ud560\uc218\ub85d \ucffc\ub9ac \uc18d\ub3c4\ub3c4 \uc99d\uac00(\ubd84\uc0b0 \ucffc\ub9ac)<\/li>\n<\/ul>\n<\/li>\n<li class=\"null\">replica :\n<ul>\n<li class=\"null\">Primary shard(\uc6d0\ubcf8\ub370\uc774\ud130)\uac2f\uc218\ub9cc\ud07c \ubcf5\uc81c<br \/>\nshard(2\uac1c), replica(1\uac1c)\ub85c \uad6c\uc131\ud55c \uacbd\uc6b0 2&#215;1 = 2\uac1c\uc758 replica\uac00 \uc0dd\uc131, replica\uc758 \ub370\uc774\ud130\ub294 primary shard\uac00 \uc5c6\ub294 \ub178\ub4dc\uc5d0 \uac01\uac01 \uc800\uc7a5<\/li>\n<li class=\"null\">node = 3, shard = 2, replica = 1\ub85c \uad6c\uc131\ub41c \uacbd\uc6b0 \ub178\ub4dc\ubcc4 \ub370\uc774\ud130 \uc800\uc7a5 \ubc29\uc2dd<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-947\" src=\"http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/02\/img.png\" alt=\"\" width=\"619\" height=\"198\" srcset=\"http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/02\/img.png 619w, http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/02\/img-300x96.png 300w\" sizes=\"auto, (max-width: 619px) 100vw, 619px\" \/><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<table style=\"border-collapse: collapse; width: 100%;\" border=\"1\">\n<colgroup>\n<col style=\"width: 99.881%;\" \/><\/colgroup>\n<tbody>\n<tr>\n<td><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-949\" src=\"http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/02\/ab1e1a12-7a6e-4b94-9bf6-7eb74b1c09a8.png\" alt=\"\" width=\"1024\" height=\"1024\" srcset=\"http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/02\/ab1e1a12-7a6e-4b94-9bf6-7eb74b1c09a8.png 1024w, http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/02\/ab1e1a12-7a6e-4b94-9bf6-7eb74b1c09a8-300x300.png 300w, http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/02\/ab1e1a12-7a6e-4b94-9bf6-7eb74b1c09a8-150x150.png 150w, http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/02\/ab1e1a12-7a6e-4b94-9bf6-7eb74b1c09a8-768x768.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/td>\n<\/tr>\n<tr>\n<td class=\"align-right\">perplexity\uc5d0\uc11c \uc0dd\uc131\ud55c AI\uc774\ubbf8\uc9c0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>ELK Stack? \uac01 \uc11c\ubc84\uc5d0 \uc800\uc7a5\ub41c \ub85c\uadf8\uc131 \ub370\uc774\ud130\ub97c \ud55c\uacf3\uc5d0 \ubaa8\uc544\uc11c \uc2dc\uac01\ud654 \ud558\ub294 Opensource Elasticsearch \/ Logstash \/&hellip;<\/p>\n","protected":false},"author":1,"featured_media":949,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[263],"tags":[],"class_list":["post-941","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-elk-stack-"],"aioseo_notices":[],"_links":{"self":[{"href":"http:\/\/www.igoni.kr\/index.php?rest_route=\/wp\/v2\/posts\/941","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.igoni.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.igoni.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.igoni.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.igoni.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=941"}],"version-history":[{"count":1,"href":"http:\/\/www.igoni.kr\/index.php?rest_route=\/wp\/v2\/posts\/941\/revisions"}],"predecessor-version":[{"id":951,"href":"http:\/\/www.igoni.kr\/index.php?rest_route=\/wp\/v2\/posts\/941\/revisions\/951"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.igoni.kr\/index.php?rest_route=\/wp\/v2\/media\/949"}],"wp:attachment":[{"href":"http:\/\/www.igoni.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=941"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.igoni.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=941"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.igoni.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=941"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}