{"id":1626,"date":"2022-02-23T07:07:09","date_gmt":"2022-02-23T07:07:09","guid":{"rendered":"https:\/\/topviecit.vn\/blog\/?p=1626"},"modified":"2022-02-23T07:07:10","modified_gmt":"2022-02-23T07:07:10","slug":"kafka-la-gi","status":"publish","type":"post","link":"https:\/\/topviecit.vn\/blog\/kafka-la-gi\/","title":{"rendered":"Kafka L\u00e0 G\u00ec? Nh\u1eefng \u0110i\u1ec1u B\u1ea1n C\u1ea7n Bi\u1ebft V\u1ec1 Kafka"},"content":{"rendered":"\n<p>Kafka l\u00e0 thu\u1eadt ng\u1eef kh\u00e1 ph\u1ed5 bi\u1ebfn trong th\u1ebf gi\u1edbi c\u00f4ng ngh\u1ec7 th\u00f4ng tin. H\u1ea7u h\u1ebft c\u00e1c n\u01b0\u1edbc l\u1edbn tr\u00ean th\u1ebf gi\u1edbi \u0111\u1ec1u s\u1eed d\u1ee5ng Kafka trong n\u1ec1n t\u1ea3ng c\u1ee7a m\u00ecnh. V\u1eady <strong>Kafka l\u00e0 g\u00ec<\/strong>, ch\u00fang ho\u1ea1t \u0111\u1ed9ng ra sao, h\u00e3y c\u00f9ng <strong><a href=\"https:\/\/topviecit.vn\/\">topviecit.vn<\/a><\/strong> t\u00ecm hi\u1ec3u ngay trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.\u00a0<\/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\/kafka-la-gi\/#Kafka_la_gi\" title=\"Kafka l\u00e0 g\u00ec?\">Kafka l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/topviecit.vn\/blog\/kafka-la-gi\/#Apache_Kafka_la_gi\" title=\"Apache Kafka l\u00e0 g\u00ec?\">Apache Kafka l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/topviecit.vn\/blog\/kafka-la-gi\/#Cach_hoat_dong_chinh_cua_Kafka_la_gi\" title=\"C\u00e1ch ho\u1ea1t \u0111\u1ed9ng ch\u00ednh c\u1ee7a Kafka l\u00e0 g\u00ec?\">C\u00e1ch ho\u1ea1t \u0111\u1ed9ng ch\u00ednh c\u1ee7a Kafka l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/topviecit.vn\/blog\/kafka-la-gi\/#Mot_so_khai_niem_ma_ban_can_nam_ve_Kafka\" title=\"M\u1ed9t s\u1ed1 kh\u00e1i ni\u1ec7m m\u00e0 b\u1ea1n c\u1ea7n n\u1eafm v\u1ec1 Kafka\">M\u1ed9t s\u1ed1 kh\u00e1i ni\u1ec7m m\u00e0 b\u1ea1n c\u1ea7n n\u1eafm v\u1ec1 Kafka<\/a><\/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\/kafka-la-gi\/#Ung_dung_cua_Kafka_la_gi\" title=\"\u1ee8ng d\u1ee5ng c\u1ee7a Kafka l\u00e0 g\u00ec?\">\u1ee8ng d\u1ee5ng c\u1ee7a Kafka l\u00e0 g\u00ec?<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kafka_la_gi\"><\/span>Kafka l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>Kafka l\u00e0 g\u00ec? <\/strong>Kafka \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 n\u1ec1n t\u1ea3ng streaming ph\u00e2n t\u00e1n, c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng v\u00e0 l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m c\u1ee7a m\u00e3 ngu\u1ed3n m\u1edf. D\u1ef1 \u00e1n Kafka \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c t\u1ea1o d\u1ef1ng v\u00e0 ph\u00e1t tri\u1ec3n b\u1edfi Linkedin sau \u0111\u00f3 tr\u1edf th\u00e0nh d\u1ef1 \u00e1n Apache m\u00e3 ngu\u1ed3n m\u1edf v\u00e0o n\u0103m 2011. Kafka \u0111\u01b0\u1ee3c vi\u1ebft b\u1eb1ng 2 ng\u00f4n ng\u1eef ch\u00ednh \u0111\u00f3 l\u00e0 Scala v\u00e0 Java. N\u00f3 \u0111\u01b0\u1ee3c vi\u1ebft v\u1edbi m\u1ee5c \u0111\u00edch cung c\u1ea5p m\u1ed9t n\u1ec1n t\u1ea3ng m\u00e0 c\u00f3 \u0111\u1ed9 tr\u1ec5 th\u1ea5p v\u00e0 th\u00f4ng l\u01b0\u1ee3ng cao h\u01a1n cho vi\u1ec7c x\u1eed l\u00fd c\u00e1c ngu\u1ed3n c\u1ea5p d\u1eef li\u1ec7u theo th\u1eddi gian th\u1ef1c t\u1ebf.&nbsp;<\/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-27.png\" alt=\"Kafka l\u00e0 g\u00ec?\" class=\"wp-image-1627\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-27.png 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-27-640x400.png 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-27-768x480.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><em>Kafka l\u00e0 g\u00ec?<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Apache_Kafka_la_gi\"><\/span>Apache Kafka l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ngo\u00e0i th\u1eafc m\u1eafc <strong>Kafka l\u00e0 g\u00ec?<\/strong> Nhi\u1ec1u ng\u01b0\u1eddi c\u0169ng mu\u1ed1n c\u00f3 th\u00eam nh\u1eefng th\u00f4ng tin v\u1ec1 Kafka Apache. Theo \u0111\u00f3, Kafka Apache l\u00e0 m\u1ed9t message broker ch\u1ea1y tr\u00ean h\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n. Kafka \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0 b\u1ea3o tr\u00ec b\u1edfi Apache n\u00ean th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi v\u1edbi c\u00e1i t\u00ean Apache Kafka.&nbsp;<\/p>\n\n\n\n<p>B\u00ean public d\u1eef li\u1ec7u s\u1ebd g\u1ecdi Kafka l\u00e0 producer v\u00e0 b\u00ean subcribe khi nh\u1eadn d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 consumer.&nbsp;<\/p>\n\n\n\n<p>Kafka c\u00f3 kh\u1ea3 n\u0103ng truy\u1ec1n t\u1ea3i \u0111i m\u1ed9t l\u01b0\u1ee3ng l\u1edbn n\u1ed9i dung trong c\u00f9ng m\u1ed9t kho\u1ea3ng th\u1eddi gian. Trong tr\u01b0\u1eddng h\u1ee3p b\u00ean nh\u1eadn ch\u01b0a nh\u1eadn \u0111\u01b0\u1ee3c th\u00ec th\u00f4ng tin s\u1ebd t\u1ef1 \u0111\u1ed9ng l\u01b0u tr\u1eef.\u00a0<\/p>\n\n\n\n<p>>>>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/web-server-la-gi\/\">Web Server L\u00e0 G\u00ec? Nguy\u00ean L\u00fd Ho\u1ea1t \u0110\u1ed9ng C\u1ee7a Web Server<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cach_hoat_dong_chinh_cua_Kafka_la_gi\"><\/span>C\u00e1ch ho\u1ea1t \u0111\u1ed9ng ch\u00ednh c\u1ee7a Kafka l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Kafka \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean m\u00f4 h\u00ecnh subscribe\/publish n\u00ean t\u01b0\u01a1ng t\u1ef1 v\u1edbi m\u1ecdi h\u1ec7 th\u1ed1ng message.<\/p>\n\n\n\n<p>Nh\u1eefng \u1ee9ng d\u1ee5ng g\u1eedi message t\u1edbi node kafka v\u00e0 th\u00f4ng b\u00e1o ch\u00fang s\u1ebd \u0111\u01b0\u1ee3c x\u1eed l\u00fd th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 consumers.&nbsp;<\/p>\n\n\n\n<p>Nh\u1eefng messages n\u00e0y g\u1eedi t\u1edbi kafka node th\u00ec ch\u00fang s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef t\u1ea1i m\u1ed9t khu v\u1ef1c \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 topic. \u0110i\u1ec1u n\u00e0y gi\u00fap consumer c\u00f3 th\u1ec3 subscribe \u0111\u1ebfn topic v\u00e0 nghe c\u00e1c messages. L\u00fac n\u00e0y, messages c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t s\u1ed1 th\u00f4ng tin li\u00ean quan \u0111\u1ebfn gi\u00e1 tr\u1ecb c\u1ea3m bi\u1ebfn hay h\u00e0nh \u0111\u1ed9ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng,&#8230;<\/p>\n\n\n\n<p>Topic s\u1ebd \u0111\u01b0\u1ee3c xem l\u00e0 t\u00ean danh m\u1ee5c m\u00e0 nh\u1eefng message \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef v\u00e0 \u0111\u1ea9y v\u00e0o.&nbsp;<\/p>\n\n\n\n<p>H\u1ea7u h\u1ebft c\u00e1c topics trong Kafka c\u00f3 k\u00edch c\u1ee1 r\u1ea5t l\u1edbn, do \u0111\u00f3 b\u1ea1n kh\u00f4ng n\u00ean l\u01b0u tr\u1eef to\u00e0n b\u1ed9 d\u1eef li\u1ec7u c\u1ee7a topic tr\u00ean m\u1ed9t node. Thay v\u00e0o \u0111\u00f3, h\u00e3y chia d\u1eef li\u1ec7u th\u00e0nh nhi\u1ec1u Partitions, \u0111i\u1ec1u n\u00e0y s\u1ebd cho ph\u00e9p b\u1ea1n th\u1ef1c hi\u1ec7n subcribe song song v\u1edbi topic c\u1ee5 th\u1ec3 b\u1eb1ng bi\u1ec7n ph\u00e1p ph\u00e2n chia d\u1eef li\u1ec7u c\u00f3 trong m\u1ed9t topic c\u1ee5 th\u1ec3 n\u00e0o \u0111\u00f3. M\u1ed7i m\u1ed9t Partition \u0111\u1ec1u s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean m\u00e1y ri\u00eang bi\u1ec7t v\u00e0 cho ph\u00e9p \u0111\u1ecdc d\u1eef li\u1ec7u song song.&nbsp;<\/p>\n\n\n\n<p>B\u00ean c\u1ea1nh \u0111\u00f3, \u0111\u1ec3 gia t\u0103ng s\u1ef1 kh\u1ea3 d\u1ee5ng c\u1ee7a partition th\u00ec m\u1ed7i partition s\u1ebd s\u1edf h\u1eefu gi\u00e1 tr\u1ecb replicas c\u1ee7a ri\u00eang ch\u00fang.\u00a0<\/p>\n\n\n\n<p>>>>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/design-pattern-la-gi-nhung-ly-do-nen-su-dung-design-pattern\/\">Design Pattern L\u00e0 G\u00ec? Nh\u1eefng L\u00fd Do N\u00ean S\u1eed D\u1ee5ng Design Pattern<\/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-28.png\" alt=\"C\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Kafka\" class=\"wp-image-1628\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-28.png 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-28-640x400.png 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-28-768x480.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><em>C\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Kafka<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mot_so_khai_niem_ma_ban_can_nam_ve_Kafka\"><\/span>M\u1ed9t s\u1ed1 kh\u00e1i ni\u1ec7m m\u00e0 b\u1ea1n c\u1ea7n n\u1eafm v\u1ec1 Kafka<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u1ec3 hi\u1ec3u r\u00f5 \u0111\u01b0\u1ee3c kh\u00e1i ni\u1ec7m Kafka l\u00e0 g\u00ec, nh\u1eefng ng\u01b0\u1eddi theo l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7, \u0111\u1eb7c bi\u1ec7t l\u00e0 ng\u01b0\u1eddi m\u1edbi v\u00e0o ngh\u1ec1 n\u00ean tham kh\u1ea3o nh\u1eefng kh\u00e1i ni\u1ec7m sau \u0111\u00e2y \u0111\u1ec3 c\u00f3 th\u1ec3 ho\u00e0n th\u00e0nh c\u00f4ng vi\u1ec7c m\u1ed9t c\u00e1ch t\u1ed1t h\u01a1n:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Producer: Kafka th\u1ef1c hi\u1ec7n ph\u00e2n lo\u1ea1i, l\u01b0u message d\u1ef1a theo topic s\u1eed d\u1ee5ng producer \u0111\u1ec3 th\u1ef1c hi\u1ec7n publish message v\u00e0o c\u00e1c topic t\u01b0\u01a1ng \u1ee9ng. L\u00fac n\u00e0y, d\u1eef li\u1ec7u s\u1ebd \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn partition c\u1ee7a topic \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef tr\u00ean Broker.\u00a0<\/li><li>Consumer: C\u00e1c d\u1eef li\u1ec7u khi \u0111\u01b0\u1ee3c truy\u1ec1n v\u00e0o Kafka d\u1ef1a tr\u00ean topic ngay khi c\u1ea7n truy\u1ec1n d\u1eef li\u1ec7u cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau s\u1ebd t\u1ea1o ra nh\u1eefng topic kh\u00e1c nhau.<\/li><li>Partition: V\u1ecb tr\u00ed n\u00e0y l\u00e0 n\u01a1i nh\u1eefng d\u1eef li\u1ec7u c\u1ee7a 1 topic \u0111\u00e3 l\u01b0u tr\u1eef xu\u1ea5t hi\u1ec7n. Ch\u00fang th\u01b0\u1eddng s\u1ebd bao g\u1ed3m 1 ho\u1eb7c nhi\u1ec1u partition. Trong m\u1ed7i partition, d\u1eef li\u1ec7u s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef c\u1ed1 \u0111\u1ecbnh v\u00e0 \u0111\u01b0\u1ee3c g\u00e1n cho m\u1ed9t ID g\u1ecdi l\u00e0 offset. V\u1edbi m\u1ed9t Kafka cluster th\u00ec m\u1ed9t partition cho ph\u00e9p sao ch\u00e9p ra nhi\u1ec1u b\u1ea3n. Trong \u0111\u00f3, b\u1ea3n leader s\u1ebd c\u00f3 nhi\u1ec7m v\u1ee5 \u0111\u1ecdc d\u1eef li\u1ec7u, c\u00e1c b\u1ea3n c\u00f2n l\u1ea1i trong vai tr\u00f2 l\u00e0 follower. \u0110\u1ed1i v\u1edbi tr\u01b0\u1eddng h\u1ee3p b\u1ea3n leader n\u00e0y b\u1ecb l\u1ed7i th\u00ec b\u1ea3n follower s\u1ebd tr\u1edf th\u00e0nh b\u1ea3n leader thay th\u1ebf. N\u1ebfu nh\u01b0 b\u1ea1n mu\u1ed1n d\u00f9ng nhi\u1ec1u consumer song song c\u00f9ng l\u00fac th\u00ec bu\u1ed9c topic \u0111\u00f3 ph\u1ea3i c\u00f3 nhi\u1ec1u partition.\u00a0<\/li><li>Broker: Kafka cluster \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t set server hay c\u00f2n g\u1ecdi l\u00e0 1 broker.\u00a0<\/li><li>Zookeeper: \u0110\u01b0\u1ee3c d\u00f9ng v\u1edbi m\u1ee5c \u0111\u00edch b\u1ed1 tr\u00ed cung nh\u01b0 qu\u1ea3n l\u00fd l\u1ea1i c\u00e1c broker.\u00a0<\/li><\/ul>\n\n\n\n<p>>>>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/unit-test-la-gi-cac-khai-niem-can-biet-khi-su-dung-unit-test\/\">Unit Test L\u00e0 G\u00ec? C\u00e1c Kh\u00e1i Ni\u1ec7m C\u1ea7n Bi\u1ebft Khi S\u1eed D\u1ee5ng Unit Test<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ung_dung_cua_Kafka_la_gi\"><\/span>\u1ee8ng d\u1ee5ng c\u1ee7a Kafka l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ch\u00ednh c\u1ee7a Kafka m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o<\/p>\n\n\n\n<p><strong>Stream processing<\/strong><\/p>\n\n\n\n<p>\u0110\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng \u0111\u1ea7u ti\u00ean, quan tr\u1ecdng nh\u1ea5t c\u1ee7a Kafka. \u0110\u00ea th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng n\u00e0y y\u00eau c\u1ea7u ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i ph\u00e2n t\u00edch lu\u1ed3ng d\u1eef li\u1ec7u b\u1edfi t\u1ed1c \u0111\u1ed9 cao. N\u1ebfu b\u1ea1n mu\u1ed1n ph\u00e2n t\u00edch h\u00e0nh vi v\u00e0 xem s\u1ea3n ph\u1ea9m c\u1ee7a ng\u01b0\u1eddi d\u00f9ng th\u00ec c\u1ea7n ph\u1ea3i l\u01b0u tr\u1eef l\u1ea1i d\u01b0\u1edbi d\u1ea1ng d\u1eef li\u1ec7u th\u00f4 nh\u01b0: click chu\u1ed9t, \u0111\u01a1n h\u00e0ng.&nbsp;<\/p>\n\n\n\n<p><strong>H\u1ec7 th\u1ed1ng IoT<\/strong><\/p>\n\n\n\n<p>IoT hay Internet of Things \u0111\u00e3 cho ph\u00e9p thi\u1ebft b\u1ecb g\u1eedi nh\u1eefng d\u1eef li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c thu th\u1eadp \u0111\u01b0\u1ee3c v\u00e0o h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7. C\u0169ng ch\u00ednh b\u1edfi v\u1eady, b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Kafka \u0111\u1ec3 nh\u1eadn c\u00e1c d\u1eef li\u1ec7u n\u00e0y thay cho tr\u01b0\u1edbc \u0111\u00e2y t\u1ef1 ph\u00e1t tri\u1ec3n API. D\u1eef li\u1ec7u thu th\u1eadp b\u1edfi thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 l\u00e0 l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn n\u00ean b\u1ea1n c\u1ea7n y\u00eau c\u1ea7u x\u1eed l\u00fd c\u0169ng nh\u01b0 \u0111\u00e1p \u1ee9ng trong real-time.&nbsp;<\/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-29.png\" alt=\"M\u1ed9t s\u1ed1 kh\u00e1i ni\u1ec7m v\u1ec1 Kafka\" class=\"wp-image-1629\" srcset=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-29.png 800w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-29-640x400.png 640w, https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/image-29-768x480.png 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption><em>M\u1ed9t s\u1ed1 kh\u00e1i ni\u1ec7m v\u1ec1 Kafka<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p><strong>Ph\u00e2n t\u00edch s\u1ef1 ki\u1ec7n v\u00e0 log<\/strong><\/p>\n\n\n\n<p>\u0110\u0103ng nh\u1eadp trong qu\u00e1 tr\u00ecnh h\u1ec7 th\u1ed1ng \u0111ang ch\u1ea1y c\u00f3 vai tr\u00f2 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c b\u1ea3o tr\u00ec. N\u1ebfu ng\u01b0\u1eddi d\u00f9ng c\u00f3 nhu c\u1ea7u ph\u00e2n t\u00edch c\u00e1c log th\u00ec n\u00ean \u0111\u1ea9y c\u00e1c d\u1eef li\u1ec7u log v\u00e0o Kafka nh\u01b0 v\u1eady s\u1ebd d\u1ec5 d\u00e0ng h\u01a1n r\u1ea5t nhi\u1ec1u. .&nbsp;<\/p>\n\n\n\n<p><strong>H\u1ed7 tr\u1ee3 chuy\u1ec3n \u0111\u1ed5i ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh<\/strong><\/p>\n\n\n\n<p>\u1ee8ng d\u1ee5ng n\u00e0y c\u1ee7a Kafka cho ph\u00e9p chuy\u1ec3n \u0111\u1ed5i ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh t\u1eeb c\u1ea5p th\u1ea5p sang c\u1ea5p cao h\u01a1n. Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, gi\u1ea3i ph\u00e1p v\u1ec1 shared memory kh\u00f4ng th\u1ec3 gi\u00fap b\u1ea1n t\u00edch h\u1ee3p 2 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh. Thay v\u00e0o \u0111\u00f3, b\u1ea1n c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh \u0111\u1ea9y k\u1ebft qu\u1ea3 d\u1eef li\u1ec7u c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh vi\u1ebft v\u00e0o Kafka. Ti\u1ebfp theo l\u00e0 s\u1eed d\u1ee5ng ch\u01b0\u01a1ng tr\u00ecnh mu\u1ed1n chuy\u1ec3n \u0111\u1ed5i \u0111\u1ec3 l\u1eafng nghe topic r\u1ed3i th\u1ef1c hi\u1ec7n ph\u00e2n t\u00edch v\u00e0 x\u1eed l\u00fd tr\u00ean d\u1eef li\u1ec7u t\u01b0\u01a1ng \u1ee9ng.&nbsp;<\/p>\n\n\n\n<p>Tr\u00ean \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 th\u00f4ng tin v\u1ec1<strong> Kafka l\u00e0 g\u00ec<\/strong> v\u00e0 m\u1ed9t s\u1ed1 ho\u1ea1t \u0111\u1ed9ng ch\u00ednh c\u1ee7a Kafka trong l\u1eadp tr\u00ecnh, hy v\u1ecdng \u0111\u00e3 mang \u0111\u1ebfn cho b\u1ea1n nh\u1eefng ki\u1ebfn th\u1ee9c th\u1ef1c s\u1ef1 h\u1eefu \u00edch.\u00a0<\/p>\n\n\n\n<p>>>>Xem th\u00eam: <a href=\"https:\/\/topviecit.vn\/blog\/elasticsearch-la-gi-tim-hieu-ve-uu-nhuoc-diem-cua-es\/\">Elasticsearch L\u00e0 G\u00ec? T\u00ecm Hi\u1ec3u V\u1ec1 \u01afu Nh\u01b0\u1ee3c \u0110i\u1ec3m C\u1ee7a ES<\/a><\/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>Kafka l\u00e0 thu\u1eadt ng\u1eef kh\u00e1 ph\u1ed5 bi\u1ebfn trong th\u1ebf gi\u1edbi c\u00f4ng ngh\u1ec7 th\u00f4ng tin. H\u1ea7u h\u1ebft c\u00e1c n\u01b0\u1edbc l\u1edbn tr\u00ean th\u1ebf gi\u1edbi \u0111\u1ec1u s\u1eed d\u1ee5ng Kafka trong n\u1ec1n t\u1ea3ng c\u1ee7a m\u00ecnh. V\u1eady Kafka l\u00e0 g\u00ec, ch\u00fang ho\u1ea1t \u0111\u1ed9ng ra sao, h\u00e3y c\u00f9ng topviecit.vn t\u00ecm hi\u1ec3u ngay trong b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.\u00a0 Kafka l\u00e0 g\u00ec? Kafka [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":1630,"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":[395],"class_list":["post-1626","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chia-se-kinh-nghiem","tag-kafka-la-gi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Kafka L\u00e0 G\u00ec? Nh\u1eefng \u0110i\u1ec1u B\u1ea1n C\u1ea7n Bi\u1ebft V\u1ec1 Kafka<\/title>\n<meta name=\"description\" content=\"Kafka l\u00e0 g\u00ec? Kafka \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 n\u1ec1n t\u1ea3ng streaming ph\u00e2n t\u00e1n, c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng v\u00e0 l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m c\u1ee7a m\u00e3 ngu\u1ed3n m\u1edf.\" \/>\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\/kafka-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kafka L\u00e0 G\u00ec? Nh\u1eefng \u0110i\u1ec1u B\u1ea1n C\u1ea7n Bi\u1ebft V\u1ec1 Kafka\" \/>\n<meta property=\"og:description\" content=\"Kafka l\u00e0 g\u00ec? Kafka \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 n\u1ec1n t\u1ea3ng streaming ph\u00e2n t\u00e1n, c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng v\u00e0 l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m c\u1ee7a m\u00e3 ngu\u1ed3n m\u1edf.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/topviecit.vn\/blog\/kafka-la-gi\/\" \/>\n<meta property=\"og:site_name\" content=\"TopviecIT\" \/>\n<meta property=\"article:published_time\" content=\"2022-02-23T07:07:09+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-02-23T07:07:10+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/topviecit.vn\/blog\/wp-content\/uploads\/2022\/02\/kafka-la-gi.png\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Dang Huong\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dang Huong\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/topviecit.vn\/blog\/kafka-la-gi\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/topviecit.vn\/blog\/kafka-la-gi\/\"},\"author\":{\"name\":\"Dang Huong\",\"@id\":\"https:\/\/topviecit.vn\/blog\/#\/schema\/person\/bf5d0c56a2c02d2a5dba393c3e18f8de\"},\"headline\":\"Kafka L\u00e0 G\u00ec? 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