{"id":1567,"date":"2022-02-23T04:01:22","date_gmt":"2022-02-23T04:01:22","guid":{"rendered":"https:\/\/topviecit.vn\/blog\/?p=1567"},"modified":"2022-02-23T04:01:23","modified_gmt":"2022-02-23T04:01:23","slug":"elasticsearch-la-gi-tim-hieu-ve-uu-nhuoc-diem-cua-es","status":"publish","type":"post","link":"https:\/\/topviecit.vn\/blog\/elasticsearch-la-gi-tim-hieu-ve-uu-nhuoc-diem-cua-es\/","title":{"rendered":"Elasticsearch L\u00e0 G\u00ec? T\u00ecm Hi\u1ec3u V\u1ec1 \u01afu Nh\u01b0\u1ee3c \u0110i\u1ec3m C\u1ee7a ES"},"content":{"rendered":"\n<p>M\u1ed9t trong nh\u1eefng kh\u00e1i ni\u1ec7m \u0111ang \u0111\u01b0\u1ee3c nhi\u1ec1u l\u1eadp tr\u00ecnh vi\u00ean quan t\u00e2m hi\u1ec7n nay ch\u00ednh l\u00e0 Elasticsearch. \u0110\u00e2y l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i hi\u1ec7n nay. N\u1ebfu b\u1ea1n \u0111ang t\u00ecm hi\u1ec3u v\u1ec1 <strong>Elasticsearch l\u00e0<\/strong> <strong>g\u00ec<\/strong> c\u0169ng nh\u01b0 nh\u1eefng \u01b0u \u2013 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a n\u00f3, h\u00e3y c\u00f9ng <strong><a href=\"https:\/\/topviecit.vn\/\">topviecit.vn<\/a><\/strong> theo d\u00f5i n\u1ed9i dung c\u1ee7a b\u00e0i vi\u1ebft n\u00e0y ngay.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_63 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 \" >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=\"Toggle Table of Content\"><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-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/topviecit.vn\/blog\/elasticsearch-la-gi-tim-hieu-ve-uu-nhuoc-diem-cua-es\/#Tim_hieu_ve_Elasticsearch_la_gi\" title=\"T\u00ecm hi\u1ec3u v\u1ec1 Elasticsearch l\u00e0 g\u00ec?\">T\u00ecm hi\u1ec3u v\u1ec1 Elasticsearch l\u00e0 g\u00ec?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/topviecit.vn\/blog\/elasticsearch-la-gi-tim-hieu-ve-uu-nhuoc-diem-cua-es\/#Elasticsearch_la_gi\" title=\"Elasticsearch l\u00e0 g\u00ec?\">Elasticsearch l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/topviecit.vn\/blog\/elasticsearch-la-gi-tim-hieu-ve-uu-nhuoc-diem-cua-es\/#Dac_diem_cua_Elasticsearch_la_gi\" title=\"\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a Elasticsearch l\u00e0 g\u00ec?\">\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a Elasticsearch l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/topviecit.vn\/blog\/elasticsearch-la-gi-tim-hieu-ve-uu-nhuoc-diem-cua-es\/#Muc_dich_su_dung_Elasticsearch_la_gi\" title=\"M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng Elasticsearch l\u00e0 g\u00ec?\">M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng Elasticsearch l\u00e0 g\u00ec?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/topviecit.vn\/blog\/elasticsearch-la-gi-tim-hieu-ve-uu-nhuoc-diem-cua-es\/#Uu_%E2%80%93_nhuoc_diem_cua_Elasticsearch_la_gi\" title=\"\u01afu \u2013 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Elasticsearch l\u00e0 g\u00ec?\">\u01afu \u2013 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Elasticsearch l\u00e0 g\u00ec?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/topviecit.vn\/blog\/elasticsearch-la-gi-tim-hieu-ve-uu-nhuoc-diem-cua-es\/#Uu_diem_cua_Elasticsearch\" title=\"\u01afu \u0111i\u1ec3m c\u1ee7a Elasticsearch\">\u01afu \u0111i\u1ec3m c\u1ee7a Elasticsearch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/topviecit.vn\/blog\/elasticsearch-la-gi-tim-hieu-ve-uu-nhuoc-diem-cua-es\/#Nhuoc_diem_Elasticsearch\" title=\"Nh\u01b0\u1ee3c \u0111i\u1ec3m Elasticsearch\">Nh\u01b0\u1ee3c \u0111i\u1ec3m Elasticsearch<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tim_hieu_ve_Elasticsearch_la_gi\"><\/span><strong>T\u00ecm hi\u1ec3u v\u1ec1 Elasticsearch l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Elasticsearch_la_gi\"><\/span><strong>Elasticsearch l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Elasticsearch l\u00e0 c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm, ph\u00e2n t\u00edch ngu\u1ed3n m\u1edf ph\u00e1t t\u00e1n \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n tr\u00ean Apache Lucene. Elasticsearch hi\u1ec7n \u0111\u01b0\u1ee3c xem l\u00e0 ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi lo\u1ea1i d\u1eef li\u1ec7u, bao g\u1ed3m nh\u01b0 s\u1ed1, v\u0103n b\u1ea3n, kh\u00f4ng gian \u0111\u1ecba l\u00fd, d\u1eef li\u1ec7u kh\u00f4ng c\u1ea5u tr\u00fac ho\u1eb7c c\u00f3 c\u1ea5u tr\u00fac.<\/p>\n\n\n\n<p>Elasticsearch l\u00e0 m\u1ed9t d\u1ea1ng API c\u1ee7a REST nh\u01b0ng \u1edf m\u1ee9c \u0111\u1ed9 \u0111\u01a1n gi\u1ea3n h\u01a1n. C\u00f3 c\u00e1c t\u00ednh n\u0103ng ph\u00e2n t\u00e1n, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, t\u1ed1c \u0111\u1ed9, th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i Elastic Stack (m\u1ed9t b\u1ed9 g\u1ed3m nhi\u1ec1u c\u00f4ng c\u1ee5 c\u00f3 ngu\u1ed3n m\u1edf, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thu th\u1eadp d\u1eef li\u1ec7u, l\u01b0u tr\u1eef, ph\u00e2n t\u00edch, tr\u1ef1c quan h\u00f3a d\u1eef li\u1ec7u).<\/p>\n\n\n\n<p>>>>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/component-trong-reactjs-la-gi-cau-tao-va-cach-tao-ra-no\/\">Component Trong ReactJS L\u00e0 G\u00ec? C\u1ea5u T\u1ea1o V\u00e0 C\u00e1ch T\u1ea1o Ra N\u00f3<\/a><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-24.jpeg\" alt=\"T\u00ecm hi\u1ec3u v\u1ec1 Elasticsearch l\u00e0 g\u00ec?\" class=\"wp-image-1568\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-24.jpeg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-24-640x400.jpeg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-24-768x480.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><em>T\u00ecm hi\u1ec3u v\u1ec1 Elasticsearch l\u00e0 g\u00ec?<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p>Elasticsearch \u0111\u01b0\u1ee3c tri\u1ec3n khai d\u1ef1a tr\u00ean c\u00e1c nguy\u00ean t\u1eafc, b\u01b0\u1edbc nh\u01b0 sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Ng\u01b0\u1eddi d\u00f9ng s\u1ebd g\u1eedi d\u1eef li\u1ec7u \u0111\u1ebfn v\u1edbi trung t\u00e2m l\u01b0u tr\u1eef d\u1eef li\u1ec7u c\u1ee7a Elasticsearch.<\/li><li>Elasticsearch s\u1ebd s\u1eed d\u1ee5ng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n ph\u00e2n \u0111o\u1ea1n, ph\u00e2n \u0111o\u1ea1n c\u00e1c d\u1eef li\u1ec7u t\u01b0\u01a1ng x\u1ee9ng.<\/li><li>Sau khi ph\u00e2n \u0111o\u1ea1n, Elasticsearch s\u1ebd l\u01b0u tr\u1eef k\u1ebft qu\u1ea3 ph\u00e2n \u0111o\u1ea1n, d\u1eef li\u1ec7u c\u1ee7a n\u00f3.<\/li><li>K\u1ebft qu\u1ea3 \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng, \u0111\u00e1nh s\u1ed1 \u0111i\u1ec3m v\u1edbi c\u00e1c tr\u1ecdng s\u1ed1, tr\u1ea3 v\u1ec1 cho ng\u01b0\u1eddi d\u00f9ng c\u00f9ng l\u00fac v\u1edbi giai \u0111o\u1ea1n ph\u00e2n \u0111o\u1ea1n.<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Dac_diem_cua_Elasticsearch_la_gi\"><\/span><strong>\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a Elasticsearch l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0110\u1ea7u ti\u00ean, kh\u1ea3 n\u0103ng t\u00ecm ki\u1ebfm d\u1eef li\u1ec7u c\u1ee7a Elasticsearch t\u01b0\u01a1ng \u0111\u1ed1i nhanh. L\u00fd do b\u1edfi Elasticsearch x\u00e2y d\u1ef1ng \u1edf \u0111\u1ec9nh Lucene. Do \u0111\u00f3, n\u00f3 c\u00f3 th\u1ec3 t\u00ecm ki\u1ebfm to\u00e0n v\u0103n t\u1ed1t. \u0110\u00e2y c\u0169ng \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t n\u1ec1n t\u1ea3ng t\u00ecm ki\u1ebfm g\u1ea7n v\u1edbi th\u1eddi gian th\u1ef1c. \u0110\u1ed9 tr\u1ec5 khi t\u00ecm ki\u1ebfm th\u01b0\u1eddng r\u1ea5t ng\u1eafn, ch\u1ec9 kho\u1ea3n 1s.<\/p>\n\n\n\n<p>Elasticsearch c\u0169ng c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a vi\u1ec7c \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i. D\u1eef li\u1ec7u, t\u00e0i li\u1ec7u khi \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i th\u00e0nh nhi\u1ec1u \u201cth\u00f9ng\u201d ch\u1ee9a kh\u00e1c nhau. Nh\u1eefng th\u00f9ng ch\u1ee9a n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u00e1c m\u1ea3nh v\u1ee1.<\/p>\n\n\n\n<p>Elasticsearch c\u00f3 th\u1ec3 sao ch\u00e9p th\u00e0nh m\u1ed9t b\u1ea3n sao \u0111\u1ec3 s\u1eed d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p l\u1ed7i ph\u1ea7n c\u1ee9ng khi\u1ebfn m\u1ea5t d\u1eef li\u1ec7u. B\u1ea3n ch\u1ea5t ph\u00e2n t\u00e1n cho ph\u00e9p Elasticsearch c\u00f3 th\u1ec3 m\u1edf ra t\u1eeb h\u00e0ng tr\u0103m \u0111\u1ebfn h\u00e0ng ngh\u00ecn m\u00e1y ch\u1ee7 \u0111\u1ec3 c\u00f3 th\u1ec3 x\u1eed l\u00fd \u0111\u01b0\u1ee3c c\u00e1c petabyte d\u1eef li\u1ec7u.<\/p>\n\n\n\n<p>>>>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/restful-api-la-gi\/\">RESTful API L\u00e0 G\u00ec? Ki\u1ebfn Th\u1ee9c Cho Ng\u01b0\u1eddi M\u1edbi Nh\u1eadp M\u00f4n<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Muc_dich_su_dung_Elasticsearch_la_gi\"><\/span><strong>M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng Elasticsearch l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Elasticsearch v\u1eabn \u0111ang r\u1ea5t \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng b\u1edfi kh\u1ea3 n\u0103ng truy v\u1ea5n g\u1ea7n nh\u01b0 ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i. Tr\u00ean th\u1ef1c t\u1ebf, Elasticsearch ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t web server v\u1edbi kh\u1ea3 n\u0103ng t\u00ecm ki\u1ebfm near real time (t\u00ecm ki\u1ebfm nhanh ch\u00f3ng) qua giao th\u1ee9c RESTful.<\/p>\n\n\n\n<p>Do \u0111\u00f3, Elasticsearch c\u00f3 th\u1ec3 ph\u00e2n t\u00edch, th\u1ed1ng k\u00ea d\u1eef li\u1ec7u m\u00e0 ng\u01b0\u1eddi d\u00f9ng t\u00ecm ki\u1ebfm, sau \u0111\u00f3 tr\u1ea3 v\u1ec1 cho h\u1ecd. Hi\u1ec7n t\u1ea1i, Elasticsearch \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi nhi\u1ec1u m\u1ee5c \u0111\u00edch nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>T\u00ecm ki\u1ebfm tr\u00ean website.<\/li><li>T\u00ecm ki\u1ebfm tr\u00ean c\u00e1c \u1ee9ng d\u1ee5ng.<\/li><li>T\u00ecm ki\u1ebfm doanh nghi\u1ec7p.<\/li><li>Gi\u00e1m s\u00e1t hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng c\u1ee7a \u1ee9ng d\u1ee5ng.<\/li><li>Ph\u00e2n t\u00edch kinh doanh.<\/li><li>X\u1eed l\u00fd, ph\u00e2n t\u00edch c\u00e1c d\u1eef li\u1ec7u.<\/li><li>Ph\u00e2n t\u00edch b\u1ea3o m\u1eadt d\u1eef li\u1ec7u.<\/li><\/ul>\n\n\n\n<p>Elasticsearch v\u1eabn \u0111\u01b0\u1ee3c kh\u00e1 nhi\u1ec1u c\u00f4ng ty l\u1edbn hi\u1ec7n nay s\u1eed d\u1ee5ng. V\u00ed d\u1ee5 nh\u01b0 Wikimedia, Adobe Systems, Facebook, GitHub, FDA, Quora, Netflix, Pixabay,\u2026<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-25.jpeg\" alt=\"Facebook \u0111ang l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng ty s\u1eed d\u1ee5ng Elasticsearch\" class=\"wp-image-1569\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-25.jpeg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-25-640x400.jpeg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-25-768x480.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><em>Facebook \u0111ang l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng ty s\u1eed d\u1ee5ng Elasticsearch<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Uu_%E2%80%93_nhuoc_diem_cua_Elasticsearch_la_gi\"><\/span><strong>\u01afu \u2013 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Elasticsearch l\u00e0 g\u00ec?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Uu_diem_cua_Elasticsearch\"><\/span><strong>\u01afu \u0111i\u1ec3m c\u1ee7a Elasticsearch<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Elasticsearch s\u1ebd c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m nh\u01b0 sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Kh\u1ea3 n\u0103ng t\u00ecm ki\u1ebfm d\u1eef li\u1ec7u nhanh ch\u00f3ng, m\u1ea1nh m\u1ebd v\u00e0 \u0111\u1ed9 tr\u1ec5 tr\u1ea3 d\u1eef li\u1ec7u \u00edt, n\u1ebfu c\u00f3 ch\u1ec9 kho\u1ea3ng d\u01b0\u1edbi m\u1ed9t gi\u00e2y.<\/li><li>C\u00f3 th\u1ec3 ph\u00e2n t\u00edch \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u.<\/li><li>C\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng d\u1eef li\u1ec7u theo chi\u1ec1u ngang.<\/li><li>H\u1ed7 tr\u1ee3 t\u00ecm ki\u1ebfm fuzzy (t\u00ecm ki\u1ebfm m\u1edd), hi\u1ec3u \u0111\u01a1n gi\u1ea3n l\u00e0 Elasticsearch cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng t\u00ecm ki\u1ebfm ngay c\u1ea3 khi d\u1eef li\u1ec7u nh\u1eadp v\u00e0o b\u1ecb sai ch\u00ednh t\u1ea3, kh\u00f4ng \u0111\u00fang ng\u1eef ph\u00e1p, c\u00fa ph\u00e1p,\u2026 nh\u01b0ng h\u1ec7 th\u1ed1ng v\u1eabn tr\u1ea3 v\u1ec1 k\u1ebft qu\u1ea3 \u0111\u00fang.<\/li><li>H\u1ed7 tr\u1ee3 nhi\u1ec1u ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh, n\u1ec1n t\u1ea3ng nh\u01b0 PHP, Java, JavaScript, Python, .NET,\u2026<\/li><li>H\u1ed7 tr\u1ee3 \u0111\u01b0\u1ee3c Structured Query DSL, \u0111\u1eb7c t\u1ea3 c\u00e1c c\u00e2u truy v\u1ea5n ph\u1ee9c t\u1ea1p r\u00f5 r\u00e0ng v\u00e0 c\u1ee5 th\u1ec3 h\u01a1n nh\u1edd v\u00e0o JSON.<\/li><li>Elasticsearch gi\u00fap qu\u00e1 tr\u00ecnh thu th\u1eadp d\u1eef li\u1ec7u \u0111\u01a1n gi\u1ea3n h\u00f3a h\u01a1n, tr\u1ef1c quan h\u00f3a h\u01a1n v\u00e0 c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c b\u00e1o c\u00e1o c\u1ea7n thi\u1ebft.<\/li><li>Elasticsearch khi t\u00edch h\u1ee3p c\u00f9ng Logstash v\u00e0 Beat, c\u00f3 th\u1ec3 gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng h\u01a1n trong vi\u1ec7c x\u1eed l\u00fd c\u00e1c d\u1eef li\u1ec7u tr\u01b0\u1edbc l\u1eadp ch\u1ec9 m\u1ee5c.<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Nhuoc_diem_Elasticsearch\"><\/span><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m Elasticsearch<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>B\u00ean c\u1ea1nh nh\u1eefng \u01b0u \u0111i\u1ec3m, Elasticsearch c\u0169ng s\u1ebd t\u1ed3n t\u1ea1i m\u1ed9t s\u1ed1 \u01b0u \u0111i\u1ec3m khi\u1ebfn cho l\u1eadp tr\u00ecnh vi\u00ean kh\u00f4ng h\u00e0i l\u00f2ng v\u1ec1 c\u00f4ng c\u1ee5 n\u00e0y. V\u00ed d\u1ee5 nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>V\u1edbi thi\u1ebft k\u1ebf cho m\u1ee5c \u0111\u00edch t\u00ecm ki\u1ebfm, Elasticsearch khi th\u1ef1c hi\u1ec7n nh\u1eefng nhi\u1ec7m v\u1ee5 kh\u00e1c nh\u01b0 CRUD s\u1ebd k\u00e9m h\u01a1n so v\u1edbi c\u00e1c database kh\u00e1c. V\u00ec v\u1eady, nhi\u1ec1u l\u1eadp tr\u00ecnh vi\u00ean \u00edt khi s\u1eed d\u1ee5ng Elasticsearch l\u00e0 m\u1ed9t database ch\u00ednh, h\u1ea7u h\u1ebft s\u1ebd k\u1ebft h\u1ee3p n\u00f3 c\u00f9ng v\u1edbi m\u1ed9t database kh\u00e1c.<\/li><li>Elasticsearch kh\u00f4ng c\u00f3 kh\u00e1i ni\u1ec7m database transaction. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a r\u1eb1ng c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 t\u00ecm ki\u1ebfm n\u00e0y s\u1ebd kh\u00f4ng \u0111\u1ea3m b\u1ea3o to\u00e0n v\u1eb9n d\u1eef li\u1ec7u v\u1edbi c\u00e1c ho\u1ea1t \u0111\u1ed9c nh\u01b0 delete, update, insert.<\/li><li>Khi thay \u0111\u1ed5i nhi\u1ec1u b\u1ea3n ghi, trong tr\u01b0\u1eddng h\u1ee3p xu\u1ea5t hi\u1ec7n l\u1ed7i, logic v\u1ec1 l\u1eadp tr\u00ecnh c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 b\u1ecb sai v\u00e0 d\u1eabn \u0111\u1ebfn m\u1ea5t d\u1eef li\u1ec7u. \u0110\u00e2y c\u0169ng \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t l\u00fd do ch\u00ednh khi\u1ebfn cho Elasticsearch \u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m database ch\u00ednh.<\/li><li>Elasticsearch kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng th\u01b0\u1eddng xuy\u00ean update d\u1eef li\u1ec7u. V\u00ec s\u1ebd g\u00e2y ra s\u1ef1 t\u1ed1n k\u00e9m khi \u0111\u00e1nh index d\u1eef li\u1ec7u v\u00e0o h\u1ec7 th\u1ed1ng.<\/li><\/ul>\n\n\n\n<p>>>>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/ma-nguon-mo-la-gi-cac-loai-ma-nguon-mo-pho-bien-nhat-hien-nay\/\">M\u00e3 Ngu\u1ed3n M\u1edf L\u00e0 G\u00ec? C\u00e1c Lo\u1ea1i M\u00e3 Ngu\u1ed3n M\u1edf Ph\u1ed5 Bi\u1ebfn Nh\u1ea5t Hi\u1ec7n Nay<\/a><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-26.jpeg\" alt=\"Elasticsearch \u00edt khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t database ch\u00ednh\" class=\"wp-image-1570\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-26.jpeg 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-26-640x400.jpeg 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-26-768x480.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><em>Elasticsearch \u00edt khi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t database ch\u00ednh<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p>Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng th\u00f4ng tin c\u00f4ng c\u1ee5 Elasticsearch. Hy v\u1ecdng v\u1edbi b\u00e0i vi\u1ebft n\u00e0y, b\u1ea1n s\u1ebd hi\u1ec3u h\u01a1n v\u1ec1 <strong>Elasticsearch l\u00e0 g\u00ec<\/strong>. H\u00e3y so s\u00e1nh v\u1ec1 nh\u1eefng \u01b0u \u2013 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a c\u00f4ng c\u1ee5 n\u00e0y \u0111\u1ec3 v\u1eadn d\u1ee5ng t\u1ed1t h\u01a1n cho d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<p class=\"has-text-align-right\"><em>H\u00ecnh \u1ea3nh: S\u01b0u t\u1ea7m<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u1ed9t trong nh\u1eefng kh\u00e1i ni\u1ec7m \u0111ang \u0111\u01b0\u1ee3c nhi\u1ec1u l\u1eadp tr\u00ecnh vi\u00ean quan t\u00e2m hi\u1ec7n nay ch\u00ednh l\u00e0 Elasticsearch. \u0110\u00e2y l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i hi\u1ec7n nay. N\u1ebfu b\u1ea1n \u0111ang t\u00ecm hi\u1ec3u v\u1ec1 Elasticsearch l\u00e0 g\u00ec c\u0169ng nh\u01b0 nh\u1eefng \u01b0u \u2013 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a n\u00f3, h\u00e3y c\u00f9ng topviecit.vn theo [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":1571,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"cybocfi_hide_featured_image":"","footnotes":""},"categories":[86],"tags":[],"class_list":["post-1567","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chia-se-kinh-nghiem"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Elasticsearch L\u00e0 G\u00ec? T\u00ecm Hi\u1ec3u V\u1ec1 \u01afu Nh\u01b0\u1ee3c \u0110i\u1ec3m C\u1ee7a ES<\/title>\n<meta name=\"description\" content=\"Elasticsearch l\u00e0 g\u00ec? \u0110\u00f3 l\u00e0 c\u00f4ng c\u1ee5 t\u00ecm ki\u1ebfm, ph\u00e2n t\u00edch ngu\u1ed3n m\u1edf ph\u00e1t t\u00e1n \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n tr\u00ean Apache Lucene.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/topviecit.vn\/blog\/elasticsearch-la-gi-tim-hieu-ve-uu-nhuoc-diem-cua-es\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Elasticsearch L\u00e0 G\u00ec? 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