{"id":669,"date":"2025-03-24T08:53:10","date_gmt":"2025-03-23T23:53:10","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=669"},"modified":"2025-03-24T08:53:10","modified_gmt":"2025-03-23T23:53:10","slug":"%e3%80%902024%e5%b9%b4%e4%bf%9d%e5%ad%98%e7%89%88%e3%80%91apache-kafka%e5%85%a5%e9%96%80-%e5%ae%9f%e8%b7%b5%e3%81%a7%e4%bd%bf%e3%81%88%e3%82%8b%e3%83%9d%e3%82%a4%e3%83%b3%e3%83%88%e3%82%92%e5%be%b9","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=669","title":{"rendered":"\u30102024\u5e74\u4fdd\u5b58\u7248\u3011Apache Kafka\u5165\u9580 &#8211; \u5b9f\u8df5\u3067\u4f7f\u3048\u308b\u30dd\u30a4\u30f3\u30c8\u3092\u5fb9\u5e95\u89e3\u8aac\uff01"},"content":{"rendered":"\n<div class=\"toc\"><br \/>\n<b>Warning<\/b>:  Undefined array key \"is_admin\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>116<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_category_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>121<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>128<\/b><br \/>\n    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\" data-dialog-title=\"\u76ee\u6b21\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">  <li class=\"first\">    <span><\/span>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-0\">Apache Kafka\u3068\u306f\uff1f\u57fa\u790e\u304b\u3089\u7406\u89e3\u3059\u308b\u5206\u6563\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0<\/a>      <\/li>      <li>        <a href=\"#i-5\">Kafka\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3068\u4e3b\u8981\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/a>      <\/li>      <li>        <a href=\"#i-11\">Java\u958b\u767a\u8005\u306e\u305f\u3081\u306eKafka\u5b9f\u88c5\u30ac\u30a4\u30c9<\/a>      <\/li>      <li>        <a href=\"#i-20\">Kafka\u306e\u904b\u7528\u7ba1\u7406\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-34\">Kafka\u3092\u4f7f\u7528\u3057\u305f\u5b9f\u8df5\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-44\">\u307e\u3068\u3081\uff1aApache Kafka\u3067\u5b9f\u73fe\u3059\u308b\u6b21\u4e16\u4ee3\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u57fa\u76e4<\/a>  <\/li><\/ul>\n      <a href=\"#\" class=\"sgb-toc-button js-toc-button\" rel=\"nofollow\" data-open-dialog=\"true\"><i class=\"fa fa-list\"><\/i><span class=\"sgb-toc-button__text\">\u76ee\u6b21\u3078<\/span><\/a>\n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-0\">Apache Kafka\u3068\u306f\uff1f\u57fa\u790e\u304b\u3089\u7406\u89e3\u3059\u308b\u5206\u6563\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0<\/h2>\n\n\n\n<p>Apache Kafka\u306f\u3001LinkedIn\u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u3001\u73fe\u5728\u306fApache Software Foundation\u3067\u7ba1\u7406\u3055\u308c\u3066\u3044\u308b\u5206\u6563\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002\u5927\u898f\u6a21\u306a\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30c7\u30fc\u30bf\u30d5\u30a3\u30fc\u30c9\u306e\u51e6\u7406\u306b\u7279\u5316\u3057\u3066\u304a\u308a\u3001\u73fe\u4ee3\u306e\u30c7\u30fc\u30bf\u99c6\u52d5\u578b\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u306f\u4e0d\u53ef\u6b20\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-sgb-message\"><div class=\"memo sng-shadow-0\" style=\"border-radius:0px;background-color:#ffebeb;color:#f88080\"><div class=\"memo_ttl dfont\"><span class=\"sng-box-msg__icon\" style=\"background:#f88080\"><i class=\"fas fa-exclamation\"><\/i><\/span><div class=\"sng-box-msg__title\"><strong><span class=\"big\">Kafka\u304c\u89e3\u6c7a\u3059\u308b3\u3064\u306e\u8ab2\u984c\u3068\u306f<\/span><\/strong><\/div><\/div><div class=\"sng-box-msg__contents\">\n<ol class=\"wp-block-list\">\n<li><strong>\u30c7\u30fc\u30bf\u306e\u5927\u898f\u6a21\u51e6\u7406\u3068\u9ad8\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u5f93\u6765\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u51e6\u7406\u304c\u96e3\u3057\u3044\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u3001\u6bce\u79d2\u6570\u5341\u4e07\u4ef6\u3068\u3044\u3046\u9ad8\u3044\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3067\u51e6\u7406<\/li>\n\n\n\n<li>\u30c7\u30a3\u30b9\u30af\u3078\u306e\u9806\u6b21\u66f8\u304d\u8fbc\u307f\u306b\u3088\u308b\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u6c38\u7d9a\u5316<\/li>\n\n\n\n<li>\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u5206\u5272\u306b\u3088\u308b\u4e26\u5217\u51e6\u7406\u306e\u5b9f\u73fe<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u4fe1\u983c\u6027\u3068\u30c7\u30fc\u30bf\u306e\u6c38\u7d9a\u6027<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u308b\u30c7\u30fc\u30bf\u306e\u5197\u9577\u5316<\/li>\n\n\n\n<li>\u30d6\u30ed\u30fc\u30ab\u30fc\u306e\u969c\u5bb3\u6642\u3067\u3082\u30c7\u30fc\u30bf\u30ed\u30b9\u3092\u9632\u3050\u4ed5\u7d44\u307f<\/li>\n\n\n\n<li>\u53b3\u5bc6\u306a\u9806\u5e8f\u4fdd\u8a3c\u3068\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u78ba\u5b9f\u306a\u914d\u4fe1<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3068\u30b7\u30b9\u30c6\u30e0\u62e1\u5f35\u6027<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u30af\u30e9\u30b9\u30bf\u69cb\u6210\u306b\u3088\u308b\u6c34\u5e73\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0<\/li>\n\n\n\n<li>\u67d4\u8edf\u306aProducer\/Consumer\u69cb\u6210<\/li>\n\n\n\n<li>\u52d5\u7684\u306a\u30af\u30e9\u30b9\u30bf\u62e1\u5f35\u304c\u53ef\u80fd<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">\u5f93\u6765\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u9055\u3044<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-2\">1. \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u9762\u3067\u306e\u9769\u65b0<\/h4>\n\n\n<div id=\"id-2fef9c98-38f2-4e92-b3d3-8531e8b22ffe\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u5fb4<\/th><th>\u5f93\u6765\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0<\/th><th>Apache Kafka<\/th><\/tr><\/thead><tbody><tr><td>\u30c7\u30fc\u30bf\u4fdd\u6301<\/td><td>\u6d88\u8cbb\u5f8c\u306b\u524a\u9664<\/td><td>\u8a2d\u5b9a\u671f\u9593\u4fdd\u6301\u53ef\u80fd<\/td><\/tr><tr><td>\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0<\/td><td>\u5782\u76f4\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u304c\u4e3b\u4f53<\/td><td>\u6c34\u5e73\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u304c\u5bb9\u6613<\/td><\/tr><tr><td>\u30e1\u30c3\u30bb\u30fc\u30b8\u51e6\u7406<\/td><td>Push\u578b\u304c\u4e3b\u6d41<\/td><td>Pull\u578b\u306b\u3088\u308b\u52b9\u7387\u7684\u306a\u51e6\u7406<\/td><\/tr><tr><td>\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb<\/td><td>\u8907\u96d1\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0<\/td><td>\u30b7\u30f3\u30d7\u30eb\u306a\u30d1\u30d6\u30b5\u30d6\u30e2\u30c7\u30eb<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<h4 class=\"wp-block-heading\" id=\"i-3\">2. \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u9762\u3067\u306e\u512a\u4f4d\u6027<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9ad8\u3044\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8<\/strong><\/li>\n\n\n\n<li>\u5f93\u6765\u30b7\u30b9\u30c6\u30e0\uff1a\u6570\u5343msg\/\u79d2<\/li>\n\n\n\n<li>Kafka\uff1a\u6570\u5341\u4e07msg\/\u79d2\u4ee5\u4e0a<\/li>\n\n\n\n<li><strong>\u52b9\u7387\u7684\u306a\u30b9\u30c8\u30ec\u30fc\u30b8\u5229\u7528<\/strong><\/li>\n\n\n\n<li>\u30da\u30fc\u30b8\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u30d0\u30c3\u30c1\u51e6\u7406\u306b\u3088\u308b\u6700\u9069\u5316<\/li>\n\n\n\n<li>\u30bc\u30ed\u30b3\u30d4\u30fc\u306b\u3088\u308b\u30c7\u30fc\u30bf\u8ee2\u9001<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-4\">3. \u904b\u7528\u9762\u3067\u306e\u30e1\u30ea\u30c3\u30c8<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u67d4\u8edf\u306a\u904b\u7528\u8a2d\u5b9a<\/strong><\/li>\n\n\n\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u4fdd\u6301\u671f\u9593\u3092\u8a2d\u5b9a\u53ef\u80fd<\/li>\n\n\n\n<li>\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u6570\u306e\u52d5\u7684\u306a\u5909\u66f4<\/li>\n\n\n\n<li>Consumer Group\u306b\u3088\u308b\u8ca0\u8377\u5206\u6563<\/li>\n\n\n\n<li><strong>\u76e3\u8996\u3068\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9<\/strong><\/li>\n\n\n\n<li>\u8c4a\u5bcc\u306a\u30e1\u30c8\u30ea\u30af\u30b9<\/li>\n\n\n\n<li>JMX\u306b\u3088\u308b\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/li>\n\n\n\n<li>\u5145\u5b9f\u3057\u305f\u904b\u7528\u30c4\u30fc\u30eb\u7fa4<\/li>\n<\/ul>\n\n\n\n<p>Kafka\u306f\u3001\u3053\u308c\u3089\u306e\u7279\u5fb4\u306b\u3088\u308a\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u73fe\u4ee3\u306e\u30b7\u30b9\u30c6\u30e0\u8981\u4ef6\u306b\u6700\u9069\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3068\u306a\u3063\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u304a\u3051\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u57fa\u76e4<\/li>\n\n\n\n<li>IoT\u30c7\u30d0\u30a4\u30b9\u304b\u3089\u306e\u30c7\u30fc\u30bf\u53ce\u96c6\u3068\u51e6\u7406<\/li>\n\n\n\n<li>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30b9\u30c8\u30ea\u30fc\u30e0\u51e6\u7406\u30b7\u30b9\u30c6\u30e0<\/li>\n\n\n\n<li>\u30ed\u30b0\u96c6\u7d04\u3068\u30c7\u30fc\u30bf\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3<\/li>\n\n\n\n<li>\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u578b\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u5b9f\u73fe<\/li>\n<\/ul>\n\n\n\n<p>\u7279\u306b\u3001\u5f93\u6765\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u96e3\u3057\u304b\u3063\u305f\u300c\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u306e\u51e6\u7406\u300d\u3068\u300c\u9ad8\u3044\u4fe1\u983c\u6027\u300d\u306e\u4e21\u7acb\u3092\u5b9f\u73fe\u3057\u3066\u3044\u308b\u70b9\u304c\u3001Kafka\u306e\u6700\u5927\u306e\u5f37\u307f\u3068\u8a00\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-5\">Kafka\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3068\u4e3b\u8981\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<\/h2>\n\n\n\n<p>Kafka\u306e\u5206\u6563\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u52b9\u7387\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u3068\u904b\u7528\u306e\u57fa\u790e\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u4e3b\u8981\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u305d\u306e\u76f8\u4e92\u95a2\u4fc2\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">Topic\u3001Partition\u3001Replica \u306e\u95a2\u4fc2\u6027<\/h3>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">Topic\uff08\u30c8\u30d4\u30c3\u30af\uff09\u306e\u57fa\u672c\u6982\u5ff5<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<p>\u30c8\u30d4\u30c3\u30af\u306f\u3001Kafka\u306b\u304a\u3051\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u8ad6\u7406\u7684\u306a\u30ab\u30c6\u30b4\u30ea\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u7279\u5fb4\u3092\u6301\u3061\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4efb\u610f\u306e\u540d\u524d\u3092\u4ed8\u3051\u3066\u8b58\u5225\u53ef\u80fd<\/li>\n\n\n\n<li>\u8907\u6570\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306b\u5206\u5272\u53ef\u80fd<\/li>\n\n\n\n<li>\u4fdd\u6301\u671f\u9593\u3084\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u6570\u3092\u500b\u5225\u306b\u8a2d\u5b9a\u53ef\u80fd<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">Partition\uff08\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\uff09\u306e\u5f79\u5272<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<p>\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306f\u3001\u30c8\u30d4\u30c3\u30af\u3092\u7269\u7406\u7684\u306b\u5206\u5272\u3059\u308b\u5358\u4f4d\u3067\u3059\uff1a<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\"><strong>\u91cd\u8981\u306a\u7279\u5fb4\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5404\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306f\u9806\u5e8f\u4fdd\u8a3c\u3055\u308c\u305f\u4e00\u9023\u306e\u30e1\u30c3\u30bb\u30fc\u30b8<\/li>\n\n\n\n<li>\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u5185\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u306f\u9806\u5e8f\u4ed8\u304d\u306e\u30aa\u30d5\u30bb\u30c3\u30c8\u756a\u53f7\u304c\u4ed8\u4e0e<\/li>\n\n\n\n<li>\u7570\u306a\u308b\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u9593\u3067\u306f\u9806\u5e8f\u306f\u4fdd\u8a3c\u3055\u308c\u306a\u3044<\/li>\n\n\n\n<li>\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u6570\u306f\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u306b\u76f4\u7d50<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">Topic A\n\u251c\u2500\u2500 Partition 0 [msg0, msg3, msg6, ...]\n\u251c\u2500\u2500 Partition 1 [msg1, msg4, msg7, ...]\n\u2514\u2500\u2500 Partition 2 [msg2, msg5, msg8, ...]<\/pre>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">Replica\uff08\u30ec\u30d7\u30ea\u30ab\uff09\u306b\u3088\u308b\u5197\u9577\u5316<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<p>\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u30c7\u30fc\u30bf\u306e\u8010\u969c\u5bb3\u6027\u3092\u78ba\u4fdd\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\uff1a<\/p>\n\n\n<div id=\"id-29f59001-e36f-4cf2-8aa8-51d87d53656c\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7528\u8a9e<\/th><th>\u8aac\u660e<\/th><th>\u5f79\u5272<\/th><\/tr><\/thead><tbody><tr><td>Leader Replica<\/td><td>\u30d7\u30e9\u30a4\u30de\u30ea\u30b3\u30d4\u30fc<\/td><td>\u8aad\u307f\u66f8\u304d\u306e\u51e6\u7406\u3092\u62c5\u5f53<\/td><\/tr><tr><td>Follower Replica<\/td><td>\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30b3\u30d4\u30fc<\/td><td>\u30c7\u30fc\u30bf\u306e\u540c\u671f\u3068\u5197\u9577\u6027\u78ba\u4fdd<\/td><\/tr><tr><td>In-Sync Replica (ISR)<\/td><td>\u540c\u671f\u6e08\u307f\u30ec\u30d7\u30ea\u30ab\u7fa4<\/td><td>\u30ea\u30fc\u30c0\u30fc\u9078\u51fa\u306e\u5019\u88dc<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-7\">Producer\u3001Consumer\u3001Consumer Group\u306e\u5f79\u5272<\/h3>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">Producer\uff08\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc\uff09\u306e\u7279\u5fb4<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9001\u4fe1\u3092\u62c5\u5f53<\/li>\n\n\n\n<li>\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u5272\u308a\u5f53\u3066\u6226\u7565\u3092\u8a2d\u5b9a\u53ef\u80fd<\/li>\n\n\n\n<li>\u975e\u540c\u671f\/\u540c\u671f\u9001\u4fe1\u306e\u9078\u629e\u304c\u53ef\u80fd<\/li>\n\n\n\n<li>\u30d0\u30c3\u30c1\u51e6\u7406\u306b\u3088\u308b\u52b9\u7387\u5316<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ Producer\u306e\u57fa\u672c\u7684\u306a\u8a2d\u5b9a\u4f8b\nProperties props = new Properties();\nprops.put(\"bootstrap.servers\", \"localhost:9092\");\nprops.put(\"key.serializer\", \"org.apache.kafka.common.serialization.StringSerializer\");\nprops.put(\"value.serializer\", \"org.apache.kafka.common.serialization.StringSerializer\");\nprops.put(\"acks\", \"all\");  \/\/ \u4fe1\u983c\u6027\u91cd\u8996\u306e\u8a2d\u5b9a<\/pre>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">Consumer\uff08\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\uff09\u306e\u6a5f\u80fd<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u53d7\u4fe1\u3092\u62c5\u5f53<\/li>\n\n\n\n<li>\u30aa\u30d5\u30bb\u30c3\u30c8\u7ba1\u7406\u306b\u3088\u308b\u9032\u6357\u5236\u5fa1<\/li>\n\n\n\n<li>\u81ea\u52d5\/\u624b\u52d5\u30b3\u30df\u30c3\u30c8\u306e\u9078\u629e<\/li>\n\n\n\n<li>\u30ea\u30d0\u30e9\u30f3\u30b9\u6642\u306e\u52d5\u4f5c\u8a2d\u5b9a<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">Consumer Group\uff08\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u30b0\u30eb\u30fc\u30d7\uff09\u306e\u7279\u5fb4<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<p>\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u30b0\u30eb\u30fc\u30d7\u306f\u3001\u8ca0\u8377\u5206\u6563\u3092\u5b9f\u73fe\u3059\u308b\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u540c\u4e00\u30b0\u30eb\u30fc\u30d7\u5185\u3067\u306f1\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u30921\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u304c\u5c02\u6709<\/li>\n\n\n\n<li>\u30b0\u30eb\u30fc\u30d7\u9593\u3067\u306f\u72ec\u7acb\u3057\u3066\u540c\u3058\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6d88\u8cbb\u53ef\u80fd<\/li>\n\n\n\n<li>\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u6570\u306e\u5897\u6e1b\u3067\u81ea\u52d5\u7684\u306b\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3092\u518d\u5206\u914d<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">Consumer Group A\n\u251c\u2500\u2500 Consumer 1 \u2192 Partition 0\n\u251c\u2500\u2500 Consumer 2 \u2192 Partition 1\n\u2514\u2500\u2500 Consumer 3 \u2192 Partition 2\n\nConsumer Group B\n\u251c\u2500\u2500 Consumer 1 \u2192 Partition 0, 1\n\u2514\u2500\u2500 Consumer 2 \u2192 Partition 2<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-8\">ZooKeeper\u306e\u91cd\u8981\u6027\u3068\u7ba1\u7406\u6a5f\u80fd<\/h3>\n\n\n\n<p>ZooKeeper\u306f\u3001Kafka\u30af\u30e9\u30b9\u30bf\u306e\u7ba1\u7406\u3092\u62c5\u3046\u91cd\u8981\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3059\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-9\"><\/h4>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">\u4e3b\u8981\u306a\u7ba1\u7406\u6a5f\u80fd<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ol class=\"wp-block-list\">\n<li><strong>\u30d6\u30ed\u30fc\u30ab\u30fc\u7ba1\u7406<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u30af\u30e9\u30b9\u30bf\u30e1\u30f3\u30d0\u30fc\u30b7\u30c3\u30d7\u306e\u7ba1\u7406<\/li>\n\n\n\n<li>\u30d6\u30ed\u30fc\u30ab\u30fc\u306e\u751f\u5b58\u76e3\u8996<\/li>\n\n\n\n<li>\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306e\u9078\u51fa<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30c8\u30d4\u30c3\u30af\u7ba1\u7406<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u30c8\u30d4\u30c3\u30af\u8a2d\u5b9a\u306e\u4fdd\u5b58<\/li>\n\n\n\n<li>\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u5272\u308a\u5f53\u3066\u306e\u7ba1\u7406<\/li>\n\n\n\n<li>ACL\u306e\u7ba1\u7406<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Consumer\u7ba1\u7406<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u30aa\u30d5\u30bb\u30c3\u30c8\u306e\u4fdd\u5b58\uff08\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\uff09<\/li>\n\n\n\n<li>Consumer Group\u306e\u7ba1\u7406<\/li>\n\n\n\n<li>\u30ea\u30d0\u30e9\u30f3\u30b9\u306e\u8abf\u6574<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/div><\/div>\n\n\n\n<p class=\"is-style-sango-paragraph-exclamation-alt\">\u6ce8\u610f\uff1a\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306fKRaft\u30e2\u30fc\u30c9\u306b\u3088\u308bZooKeeper\u4e0d\u8981\u306a\u69cb\u6210\u3082\u53ef\u80fd\u3067\u3059<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-10\">ZooKeeper\u306e\u8a2d\u5b9a\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30a2\u30f3\u30b5\u30f3\u30d6\u30eb\u30b5\u30a4\u30ba\u306f\u5947\u6570\uff083,5,7\u306a\u3069\uff09<\/li>\n\n\n\n<li>\u5341\u5206\u306a\u30e1\u30e2\u30ea\u3068\u30c7\u30a3\u30b9\u30af\u5bb9\u91cf\u306e\u78ba\u4fdd<\/li>\n\n\n\n<li>\u5c02\u7528\u306eZooKeeper\u30af\u30e9\u30b9\u30bf\u306e\u4f7f\u7528\u63a8\u5968<\/li>\n\n\n\n<li>\u5b9a\u671f\u7684\u306a\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u306e\u5b9f\u65bd<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u3088\u308a\u3001Kafka\u306f\u9ad8\u3044\u4fe1\u983c\u6027\u3068\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002\u5404\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u5f79\u5272\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u52b9\u679c\u7684\u306a\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u3068\u904b\u7528\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-11\">Java\u958b\u767a\u8005\u306e\u305f\u3081\u306eKafka\u5b9f\u88c5\u30ac\u30a4\u30c9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-12\">Producer API\u3092\u4f7f\u7528\u3057\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\u9001\u4fe1\u65b9\u6cd5<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-13\">1. \u57fa\u672c\u7684\u306aProducer\u306e\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import org.apache.kafka.clients.producer.*;\nimport java.util.Properties;\nimport java.util.concurrent.Future;\n\npublic class KafkaProducerExample {\n    public static void main(String[] args) {\n        \/\/ Producer\u8a2d\u5b9a\n        Properties props = new Properties();\n        props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, \"localhost:9092\");\n        props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, \n                 \"org.apache.kafka.common.serialization.StringSerializer\");\n        props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, \n                 \"org.apache.kafka.common.serialization.StringSerializer\");\n\n        \/\/ \u4fe1\u983c\u6027\u306b\u95a2\u3059\u308b\u8a2d\u5b9a\n        props.put(ProducerConfig.ACKS_CONFIG, \"all\");                 \/\/ \u5b8c\u5168\u306a\u540c\u671f\u3092\u4fdd\u8a3c\n        props.put(ProducerConfig.RETRIES_CONFIG, 3);                  \/\/ \u518d\u8a66\u884c\u56de\u6570\n        props.put(ProducerConfig.BATCH_SIZE_CONFIG, 16384);          \/\/ \u30d0\u30c3\u30c1\u30b5\u30a4\u30ba\n        props.put(ProducerConfig.LINGER_MS_CONFIG, 1);               \/\/ \u5f85\u6a5f\u6642\u9593\n\n        try (Producer&lt;String, String&gt; producer = new KafkaProducer&lt;&gt;(props)) {\n            \/\/ \u30e1\u30c3\u30bb\u30fc\u30b8\u9001\u4fe1\uff08\u975e\u540c\u671f\uff09\n            String topic = \"example-topic\";\n            String key = \"messageKey\";\n            String value = \"Hello, Kafka!\";\n\n            ProducerRecord&lt;String, String&gt; record = \n                new ProducerRecord&lt;&gt;(topic, key, value);\n\n            Future&lt;RecordMetadata&gt; future = producer.send(record, \n                (metadata, exception) -&gt; {\n                    if (exception != null) {\n                        System.err.println(\"\u9001\u4fe1\u30a8\u30e9\u30fc: \" + exception.getMessage());\n                    } else {\n                        System.out.printf(\"\u9001\u4fe1\u6210\u529f - Topic: %s, Partition: %d, Offset: %d%n\",\n                            metadata.topic(), metadata.partition(), metadata.offset());\n                    }\n                });\n\n            \/\/ \u30d0\u30c3\u30d5\u30a1\u5185\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u78ba\u5b9f\u306b\u9001\u4fe1\n            producer.flush();\n        }\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-14\">2. \u30ab\u30b9\u30bf\u30e0\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6\u30fc\u306e\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import org.apache.kafka.common.serialization.Serializer;\nimport com.fasterxml.jackson.databind.ObjectMapper;\n\npublic class CustomJsonSerializer&lt;T&gt; implements Serializer&lt;T&gt; {\n    private final ObjectMapper objectMapper = new ObjectMapper();\n\n    @Override\n    public byte[] serialize(String topic, T data) {\n        if (data == null) return null;\n        try {\n            return objectMapper.writeValueAsBytes(data);\n        } catch (Exception e) {\n            throw new RuntimeException(\"JSON\u5909\u63db\u30a8\u30e9\u30fc\", e);\n        }\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">Consumer API\u306b\u3088\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u53d7\u4fe1\u306e\u5b9f\u88c5<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-16\">1. \u57fa\u672c\u7684\u306aConsumer\u306e\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import org.apache.kafka.clients.consumer.*;\nimport java.time.Duration;\nimport java.util.*;\n\npublic class KafkaConsumerExample {\n    public static void main(String[] args) {\n        \/\/ Consumer\u8a2d\u5b9a\n        Properties props = new Properties();\n        props.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, \"localhost:9092\");\n        props.put(ConsumerConfig.GROUP_ID_CONFIG, \"example-group\");\n        props.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, \n                 \"org.apache.kafka.common.serialization.StringDeserializer\");\n        props.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, \n                 \"org.apache.kafka.common.serialization.StringDeserializer\");\n\n        \/\/ \u6027\u80fd\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u8a2d\u5b9a\n        props.put(ConsumerConfig.FETCH_MIN_BYTES_CONFIG, \"1\");\n        props.put(ConsumerConfig.FETCH_MAX_WAIT_MS_CONFIG, \"500\");\n        props.put(ConsumerConfig.MAX_POLL_RECORDS_CONFIG, \"500\");\n\n        try (Consumer&lt;String, String&gt; consumer = new KafkaConsumer&lt;&gt;(props)) {\n            \/\/ \u30c8\u30d4\u30c3\u30af\u306e\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d6\n            consumer.subscribe(Arrays.asList(\"example-topic\"));\n\n            while (true) {\n                ConsumerRecords&lt;String, String&gt; records = \n                    consumer.poll(Duration.ofMillis(100));\n\n                for (ConsumerRecord&lt;String, String&gt; record : records) {\n                    System.out.printf(\"\u30c8\u30d4\u30c3\u30af: %s, \u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3: %d, \u30aa\u30d5\u30bb\u30c3\u30c8: %d, \" +\n                                    \"\u30ad\u30fc: %s, \u5024: %s%n\",\n                        record.topic(), record.partition(), record.offset(),\n                        record.key(), record.value());\n\n                    \/\/ \u30e1\u30c3\u30bb\u30fc\u30b8\u51e6\u7406\u30ed\u30b8\u30c3\u30af\n                    processMessage(record);\n                }\n\n                \/\/ \u624b\u52d5\u30b3\u30df\u30c3\u30c8\u306e\u4f8b\n                consumer.commitSync();\n            }\n        }\n    }\n\n    private static void processMessage(ConsumerRecord&lt;String, String&gt; record) {\n        \/\/ \u30e1\u30c3\u30bb\u30fc\u30b8\u51e6\u7406\u30ed\u30b8\u30c3\u30af\u306e\u5b9f\u88c5\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">Spring Boot \u3068\u306e\u9023\u643a\u65b9\u6cd5<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-18\">1. Spring Kafka\u306e\u57fa\u672c\u8a2d\u5b9a<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Configuration\npublic class KafkaConfig {\n    @Bean\n    public ProducerFactory&lt;String, String&gt; producerFactory() {\n        Map&lt;String, Object&gt; config = new HashMap&lt;&gt;();\n        config.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, \"localhost:9092\");\n        config.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class);\n        config.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, StringSerializer.class);\n        return new DefaultKafkaProducerFactory&lt;&gt;(config);\n    }\n\n    @Bean\n    public KafkaTemplate&lt;String, String&gt; kafkaTemplate() {\n        return new KafkaTemplate&lt;&gt;(producerFactory());\n    }\n\n    @Bean\n    public ConsumerFactory&lt;String, String&gt; consumerFactory() {\n        Map&lt;String, Object&gt; config = new HashMap&lt;&gt;();\n        config.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, \"localhost:9092\");\n        config.put(ConsumerConfig.GROUP_ID_CONFIG, \"example-group\");\n        config.put(ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class);\n        config.put(ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, StringDeserializer.class);\n        return new DefaultKafkaConsumerFactory&lt;&gt;(config);\n    }\n\n    @Bean\n    public ConcurrentKafkaListenerContainerFactory&lt;String, String&gt; kafkaListenerContainerFactory() {\n        ConcurrentKafkaListenerContainerFactory&lt;String, String&gt; factory =\n            new ConcurrentKafkaListenerContainerFactory&lt;&gt;();\n        factory.setConsumerFactory(consumerFactory());\n        return factory;\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-19\">2. \u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9001\u53d7\u4fe1\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Service\npublic class KafkaService {\n    private final KafkaTemplate&lt;String, String&gt; kafkaTemplate;\n\n    public KafkaService(KafkaTemplate&lt;String, String&gt; kafkaTemplate) {\n        this.kafkaTemplate = kafkaTemplate;\n    }\n\n    public void sendMessage(String topic, String message) {\n        kafkaTemplate.send(topic, message)\n            .addCallback(\n                result -&gt; log.info(\"\u30e1\u30c3\u30bb\u30fc\u30b8\u9001\u4fe1\u6210\u529f: {}\", message),\n                ex -&gt; log.error(\"\u30e1\u30c3\u30bb\u30fc\u30b8\u9001\u4fe1\u5931\u6557: {}\", ex.getMessage())\n            );\n    }\n\n    @KafkaListener(topics = \"example-topic\", groupId = \"example-group\")\n    public void listen(String message) {\n        log.info(\"\u30e1\u30c3\u30bb\u30fc\u30b8\u53d7\u4fe1: {}\", message);\n        \/\/ \u30e1\u30c3\u30bb\u30fc\u30b8\u51e6\u7406\u30ed\u30b8\u30c3\u30af\n    }\n}<\/pre>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\"><strong>\u5b9f\u88c5\u6642\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u9069\u5207\u306a\u4f8b\u5916\u51e6\u7406\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>\u30ea\u30c8\u30e9\u30a4\u30e1\u30ab\u30cb\u30ba\u30e0\u306e\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u30c7\u30c3\u30c9\u30ec\u30bf\u30fc\u30ad\u30e5\u30fc\u306e\u6d3b\u7528<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u30d0\u30c3\u30c1\u51e6\u7406\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba\u306e\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u975e\u540c\u671f\u51e6\u7406\u306e\u6d3b\u7528<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3068\u30c7\u30d0\u30c3\u30b0<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30c8\u30ea\u30af\u30b9\u306e\u53ce\u96c6<\/li>\n\n\n\n<li>\u30ed\u30b0\u51fa\u529b\u306e\u9069\u5207\u306a\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u30c8\u30ec\u30fc\u30b7\u30f3\u30b0\u306e\u5b9f\u88c5<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-20\">Kafka\u306e\u904b\u7528\u7ba1\u7406\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-21\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306e5\u3064\u306e\u30dd\u30a4\u30f3\u30c8<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-22\">1. \u30d6\u30ed\u30fc\u30ab\u30fc\u8a2d\u5b9a\u306e\u6700\u9069\u5316<\/h4>\n\n\n<div id=\"id-b9f57a84-48e3-410a-82a2-c6816d6e7af6\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30d1\u30e9\u30e1\u30fc\u30bf<\/th><th>\u63a8\u5968\u5024<\/th><th>\u8aac\u660e<\/th><\/tr><\/thead><tbody><tr><td>num.network.threads<\/td><td>CPU\u6570 \u00d7 2<\/td><td>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ea\u30af\u30a8\u30b9\u30c8\u51e6\u7406\u7528\u30b9\u30ec\u30c3\u30c9\u6570<\/td><\/tr><tr><td>num.io.threads<\/td><td>CPU\u6570 \u00d7 2<\/td><td>\u30c7\u30a3\u30b9\u30afI\/O\u51e6\u7406\u7528\u30b9\u30ec\u30c3\u30c9\u6570<\/td><\/tr><tr><td>socket.receive.buffer.bytes<\/td><td>1024 * 1024<\/td><td>\u30bd\u30b1\u30c3\u30c8\u53d7\u4fe1\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba<\/td><\/tr><tr><td>socket.send.buffer.bytes<\/td><td>1024 * 1024<\/td><td>\u30bd\u30b1\u30c3\u30c8\u9001\u4fe1\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba<\/td><\/tr><tr><td>socket.request.max.bytes<\/td><td>104857600<\/td><td>\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u6700\u5927\u30b5\u30a4\u30ba<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># server.properties \u306e\u63a8\u5968\u8a2d\u5b9a\u4f8b\nnum.network.threads=8\nnum.io.threads=8\nsocket.receive.buffer.bytes=1048576\nsocket.send.buffer.bytes=1048576\nsocket.request.max.bytes=104857600<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-23\">2. \u30c8\u30d4\u30c3\u30af\u3068\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u6700\u9069\u5316<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u6570\u306e\u6c7a\u5b9a\u57fa\u6e96<\/strong><\/li>\n\n\n\n<li>\u76ee\u6a19\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8 \u00f7 \u5358\u4e00\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306e\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8<\/li>\n\n\n\n<li>\u30af\u30e9\u30b9\u30bf\u5185\u306e\u30d6\u30ed\u30fc\u30ab\u30fc\u6570\u306e\u500d\u6570<\/li>\n\n\n\n<li>\u5c06\u6765\u306e\u62e1\u5f35\u6027\u3092\u8003\u616e<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u6570\u306e\u5909\u66f4\u4f8b\nbin\/kafka-topics.sh --bootstrap-server localhost:9092 \\\n    --alter --topic my-topic --partitions 16<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-24\">3. Producer\u8a2d\u5b9a\u306e\u6700\u9069\u5316<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ Producer\u8a2d\u5b9a\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\nproperties.put(ProducerConfig.COMPRESSION_TYPE_CONFIG, \"snappy\");  \/\/ \u5727\u7e2e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\nproperties.put(ProducerConfig.BATCH_SIZE_CONFIG, 32768);          \/\/ \u30d0\u30c3\u30c1\u30b5\u30a4\u30ba\nproperties.put(ProducerConfig.LINGER_MS_CONFIG, 20);              \/\/ \u5f85\u6a5f\u6642\u9593\nproperties.put(ProducerConfig.BUFFER_MEMORY_CONFIG, 33554432);    \/\/ \u30d0\u30c3\u30d5\u30a1\u30e1\u30e2\u30ea<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-25\">4. Consumer\u8a2d\u5b9a\u306e\u6700\u9069\u5316<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ Consumer\u8a2d\u5b9a\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\nproperties.put(ConsumerConfig.FETCH_MIN_BYTES_CONFIG, 1024);      \/\/ \u6700\u5c0f\u30d5\u30a7\u30c3\u30c1\u30b5\u30a4\u30ba\nproperties.put(ConsumerConfig.FETCH_MAX_WAIT_MS_CONFIG, 500);     \/\/ \u6700\u5927\u5f85\u6a5f\u6642\u9593\nproperties.put(ConsumerConfig.MAX_POLL_RECORDS_CONFIG, 500);      \/\/ \u4e00\u5ea6\u306e\u30dd\u30fc\u30ea\u30f3\u30b0\u3067\u53d6\u5f97\u3059\u308b\u30ec\u30b3\u30fc\u30c9\u6570<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-26\">5. JVM\u3068OS\u8a2d\u5b9a\u306e\u6700\u9069\u5316<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># JVM\u8a2d\u5b9a\u4f8b\nKAFKA_HEAP_OPTS=\"-Xmx6g -Xms6g\"\nKAFKA_JVM_PERFORMANCE_OPTS=\"-server -XX:+UseG1GC -XX:MaxGCPauseMillis=20\"\n\n# OS\u8a2d\u5b9a\u4f8b\uff08\/etc\/sysctl.conf\uff09\nvm.swappiness=1\nvm.dirty_background_ratio=5\nvm.dirty_ratio=60<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-27\">\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3068\u7570\u5e38\u691c\u77e5\u306e\u5b9f\u8df5\u7684\u30a2\u30d7\u30ed\u30fc\u30c1<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-28\">1. \u91cd\u8981\u306a\u30e1\u30c8\u30ea\u30af\u30b9\u76e3\u8996<\/h4>\n\n\n<div id=\"id-667ba6bd-9221-40d5-bfb1-b713ebb3c8c8\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30e1\u30c8\u30ea\u30af\u30b9<\/th><th>\u76e3\u8996\u5185\u5bb9<\/th><th>\u30a2\u30e9\u30fc\u30c8\u95be\u5024<\/th><\/tr><\/thead><tbody><tr><td>Under Replicated Partitions<\/td><td>\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u9045\u5ef6<\/td><td>&gt; 0<\/td><\/tr><tr><td>Request Handler Avg Idle %<\/td><td>\u30d6\u30ed\u30fc\u30ab\u30fc\u8ca0\u8377<\/td><td>&lt; 20%<\/td><\/tr><tr><td>Log Flush Latency<\/td><td>\u30c7\u30a3\u30b9\u30af\u66f8\u304d\u8fbc\u307f\u6027\u80fd<\/td><td>&gt; 500ms<\/td><\/tr><tr><td>Active Controller Count<\/td><td>\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306e\u5065\u5168\u6027<\/td><td>\u2260 1<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<h4 class=\"wp-block-heading\" id=\"i-29\">2. Prometheus + Grafana\u306b\u3088\u308b\u76e3\u8996\u8a2d\u5b9a<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># prometheus.yml\nscrape_configs:\n  - job_name: 'kafka'\n    static_configs:\n      - targets: ['localhost:9308']  # JMX Exporter\u306e\u30dd\u30fc\u30c8\n    metrics_path: '\/metrics'<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-30\">3. \u30a2\u30e9\u30fc\u30c8\u8a2d\u5b9a\u4f8b<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># alertmanager.yml\ngroups:\n- name: kafka_alerts\n  rules:\n  - alert: UnderReplicatedPartitions\n    expr: kafka_server_replicamanager_underreplicatedpartitions &gt; 0\n    for: 5m\n    labels:\n      severity: critical<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-31\">\u30c7\u30fc\u30bf\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3068\u707d\u5bb3\u5bfe\u7b56<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-32\">1. \u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u6226\u7565<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b9a\u671f\u7684\u306a\u30c8\u30d4\u30c3\u30af\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u30c8\u30d4\u30c3\u30af\u30c7\u30fc\u30bf\u306e\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\nbin\/kafka-dump-log.sh --files \/var\/lib\/kafka\/data\/my-topic-0\/*.log \\\n    --print-data-log &gt; backup\/my-topic-backup.log<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7<\/strong><\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u91cd\u8981\u306a\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u5b9a\u671f\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\ncp \/etc\/kafka\/server.properties \/backup\/kafka\/\ncp \/etc\/kafka\/consumer.properties \/backup\/kafka\/\ncp \/etc\/kafka\/producer.properties \/backup\/kafka\/<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-33\">2. \u707d\u5bb3\u5fa9\u65e7\u8a08\u753b<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d7\u30e9\u30a4\u30de\u30ea\u30b5\u30a4\u30c8\u306e\u969c\u5bb3\u5bfe\u7b56<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u30db\u30c3\u30c8\u30b9\u30bf\u30f3\u30d0\u30a4\u30af\u30e9\u30b9\u30bf\u306e\u6e96\u5099<\/li>\n\n\n\n<li>\u30af\u30ed\u30b9\u30ea\u30fc\u30b8\u30e7\u30f3\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u81ea\u52d5\u30d5\u30a7\u30a4\u30eb\u30aa\u30fc\u30d0\u30fc\u306e\u4ed5\u7d44\u307f\u69cb\u7bc9<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30c7\u30fc\u30bf\u6574\u5408\u6027\u306e\u78ba\u4fdd<\/strong>\n<ul class=\"wp-block-list\">\n<li>MirrorMaker\u306b\u3088\u308b\u30c8\u30d4\u30c3\u30af\u30df\u30e9\u30fc\u30ea\u30f3\u30b0<\/li>\n\n\n\n<li>\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u9045\u5ef6\u306e\u76e3\u8996<\/li>\n\n\n\n<li>\u5b9a\u671f\u7684\u306a\u6574\u5408\u6027\u30c1\u30a7\u30c3\u30af<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5fa9\u65e7\u624b\u9806\u306e\u6587\u66f8\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   1. \u969c\u5bb3\u72b6\u6cc1\u306e\u78ba\u8a8d\n   2. \u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30af\u30e9\u30b9\u30bf\u3078\u306e\u5207\u308a\u66ff\u3048\u5224\u65ad\n   3. DNS\u5207\u308a\u66ff\u3048\u306b\u3088\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u8ee2\u9001\n   4. \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u8a2d\u5b9a\u306e\u66f4\u65b0\n   5. \u30c7\u30fc\u30bf\u6574\u5408\u6027\u306e\u691c\u8a3c<\/pre>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\"><strong>\u30ea\u30ab\u30d0\u30ea\u6642\u306e\u91cd\u8981\u30dd\u30a4\u30f3\u30c8<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>RPO\uff08\u76ee\u6a19\u5fa9\u65e7\u5730\u70b9\uff09\u3068RTO\uff08\u76ee\u6a19\u5fa9\u65e7\u6642\u9593\uff09\u306e\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u5b9a\u671f\u7684\u306a\u5fa9\u65e7\u8a13\u7df4\u306e\u5b9f\u65bd<\/li>\n\n\n\n<li>\u624b\u9806\u66f8\u306e\u66f4\u65b0\u3068\u898b\u76f4\u3057<\/li>\n\n\n\n<li>\u30c1\u30fc\u30e0\u9593\u306e\u9023\u643a\u4f53\u5236\u306e\u78ba\u7acb<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u904b\u7528\u7ba1\u7406\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u9069\u5207\u306b\u5b9f\u65bd\u3059\u308b\u3053\u3068\u3067\u3001Kafka\u30af\u30e9\u30b9\u30bf\u306e\u5b89\u5b9a\u6027\u3068\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-34\">Kafka\u3092\u4f7f\u7528\u3057\u305f\u5b9f\u8df5\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-35\">\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30c7\u30fc\u30bf\u5206\u6790\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u7bc9<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-36\">1. \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u6982\u8981<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9 \u2192 Kafka \u2192 Stream Processing \u2192 \u5206\u6790\u57fa\u76e4\n[IoT\u30bb\u30f3\u30b5\u30fc] \u2192 [Topic] \u2192 [Kafka Streams] \u2192 [Elastic Stack]\n[\u30a2\u30d7\u30ea\u30ed\u30b0]  \u2192 [Topic] \u2192 [Spark Streaming] \u2192 [Grafana]\n[\u30e6\u30fc\u30b6\u30fc\u884c\u52d5] \u2192 [Topic] \u2192 [Flink] \u2192 [BI Tool]<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-37\">2. \u5b9f\u88c5\u4f8b\uff1a\u30bb\u30f3\u30b5\u30fc\u30c7\u30fc\u30bf\u306e\u51e6\u7406<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Configuration\npublic class KafkaStreamConfig {\n    @Bean\n    public StreamsBuilder streamsBuilder() {\n        StreamsBuilder builder = new StreamsBuilder();\n\n        \/\/ \u30bb\u30f3\u30b5\u30fc\u30c7\u30fc\u30bf\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u51e6\u7406\n        builder.stream(\"sensor-data\", Consumed.with(Serdes.String(), Serdes.String()))\n            .groupByKey()\n            .windowedBy(TimeWindows.of(Duration.ofMinutes(5)))\n            .aggregate(\n                () -&gt; new SensorMetrics(),\n                (key, value, aggregate) -&gt; aggregate.update(value),\n                Materialized.with(Serdes.String(), new SensorMetricsSerde())\n            )\n            .toStream()\n            .to(\"processed-metrics\");\n\n        return builder;\n    }\n}\n\n\/\/ \u30e1\u30c8\u30ea\u30af\u30b9\u96c6\u8a08\u30af\u30e9\u30b9\npublic class SensorMetrics {\n    private double sum;\n    private long count;\n    private double max;\n    private double min;\n\n    public void update(String value) {\n        double val = Double.parseDouble(value);\n        sum += val;\n        count++;\n        max = Math.max(max, val);\n        min = Math.min(min, val);\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-38\">\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u9593\u306e\u975e\u540c\u671f\u901a\u4fe1\u5b9f\u88c5<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-39\">1. \u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u4f8b<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Service\npublic class OrderService {\n    private final KafkaTemplate&lt;String, OrderEvent&gt; kafkaTemplate;\n\n    public void processOrder(Order order) {\n        \/\/ \u6ce8\u6587\u51e6\u7406\n        OrderEvent event = new OrderEvent(order.getId(), OrderStatus.CREATED);\n\n        \/\/ \u30a4\u30d9\u30f3\u30c8\u767a\u884c\n        kafkaTemplate.send(\"order-events\", order.getId(), event)\n            .addCallback(\n                success -&gt; log.info(\"Order event published: {}\", order.getId()),\n                failure -&gt; log.error(\"Failed to publish order event\", failure)\n            );\n    }\n\n    @KafkaListener(topics = \"inventory-events\")\n    public void handleInventoryEvent(InventoryEvent event) {\n        \/\/ \u5728\u5eab\u72b6\u614b\u306e\u66f4\u65b0\u51e6\u7406\n        if (event.getStatus() == InventoryStatus.RESERVED) {\n            updateOrderStatus(event.getOrderId(), OrderStatus.CONFIRMED);\n        }\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-40\">2. \u30b5\u30fc\u30ad\u30c3\u30c8\u30d6\u30ec\u30fc\u30ab\u30fc\u30d1\u30bf\u30fc\u30f3\u306e\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Configuration\npublic class KafkaProducerConfig {\n    @Bean\n    public CircuitBreaker kafkaCircuitBreaker() {\n        CircuitBreakerConfig config = CircuitBreakerConfig.custom()\n            .failureRateThreshold(50)\n            .waitDurationInOpenState(Duration.ofSeconds(60))\n            .permittedNumberOfCallsInHalfOpenState(10)\n            .slidingWindowSize(100)\n            .build();\n\n        return CircuitBreaker.of(\"kafka-producer\", config);\n    }\n}\n\n@Service\npublic class ResilientKafkaService {\n    private final CircuitBreaker circuitBreaker;\n    private final KafkaTemplate&lt;String, String&gt; kafkaTemplate;\n\n    public void sendMessage(String topic, String message) {\n        circuitBreaker.executeSupplier(() -&gt; \n            kafkaTemplate.send(topic, message).get()\n        );\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-41\">\u30ed\u30b0\u96c6\u7d04\u30b7\u30b9\u30c6\u30e0\u306e\u8a2d\u8a08\u3068\u5b9f\u88c5<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-42\">1. \u30ed\u30b0\u53ce\u96c6\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306e\u69cb\u7bc9<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Configuration\npublic class LogProcessingConfig {\n    @Bean\n    public KStream&lt;String, LogEvent&gt; logProcessor(StreamsBuilder builder) {\n        \/\/ \u30ed\u30b0\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u5b9a\u7fa9\n        KStream&lt;String, LogEvent&gt; logStream = builder\n            .stream(\"application-logs\", \n                   Consumed.with(Serdes.String(), new LogEventSerde()));\n\n        \/\/ \u30a8\u30e9\u30fc\u30ed\u30b0\u306e\u62bd\u51fa\n        KStream&lt;String, LogEvent&gt; errorStream = logStream\n            .filter((key, value) -&gt; value.getSeverity() == Severity.ERROR);\n\n        \/\/ \u91cd\u8981\u5ea6\u306b\u57fa\u3065\u304f\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\n        errorStream\n            .split()\n            .branch((key, value) -&gt; value.isHighPriority(),\n                   Branched.withConsumer(s -&gt; s.to(\"critical-errors\")))\n            .branch((key, value) -&gt; true,\n                   Branched.withConsumer(s -&gt; s.to(\"normal-errors\")));\n\n        return logStream;\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-43\">2. \u30ed\u30b0\u5206\u6790\u3068\u76e3\u8996\u306e\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Service\npublic class LogAnalyzerService {\n    @KafkaListener(topics = \"critical-errors\")\n    public void handleCriticalErrors(LogEvent event) {\n        \/\/ \u30a2\u30e9\u30fc\u30c8\u767a\u751f\n        alertingService.sendAlert(new Alert(\n            AlertLevel.CRITICAL,\n            event.getMessage(),\n            event.getServiceName()\n        ));\n\n        \/\/ \u30e1\u30c8\u30ea\u30af\u30b9\u66f4\u65b0\n        metricsRegistry\n            .counter(\"critical_errors\", \n                    \"service\", event.getServiceName())\n            .increment();\n    }\n\n    @Scheduled(fixedRate = 300000) \/\/ 5\u5206\u3054\u3068\n    public void analyzeErrorPatterns() {\n        \/\/ \u30a8\u30e9\u30fc\u30d1\u30bf\u30fc\u30f3\u306e\u5206\u6790\n        errorAnalyzer.analyzePatterns()\n            .forEach(pattern -&gt; \n                reportingService.updateErrorPattern(pattern));\n    }\n}<\/pre>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\"><strong>\u5404\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30c7\u30fc\u30bf\u5206\u6790<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u30d0\u30c3\u30d5\u30a1\u30ea\u30f3\u30b0\u3068\u30a6\u30a3\u30f3\u30c9\u30a6\u51e6\u7406\u306e\u9069\u5207\u306a\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u8003\u616e\u3057\u305f\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u8a2d\u8a08<\/li>\n\n\n\n<li>\u969c\u5bb3\u6642\u306e\u30c7\u30fc\u30bf\u640d\u5931\u9632\u6b62\u7b56<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u901a\u4fe1<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u30a4\u30d9\u30f3\u30c8\u30b9\u30ad\u30fc\u30de\u306e\u9069\u5207\u306a\u8a2d\u8a08\u3068\u7ba1\u7406<\/li>\n\n\n\n<li>\u51aa\u7b49\u6027\u306e\u78ba\u4fdd<\/li>\n\n\n\n<li>\u969c\u5bb3\u6642\u306e\u56de\u5fa9\u30e1\u30ab\u30cb\u30ba\u30e0<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30ed\u30b0\u96c6\u7d04\u30b7\u30b9\u30c6\u30e0<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u52b9\u7387\u7684\u306a\u30ed\u30b0\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u30ed\u30b0\u30ed\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3<\/li>\n\n\n\n<li>\u30b9\u30c8\u30ec\u30fc\u30b8\u5bb9\u91cf\u306e\u7ba1\u7406<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306f\u3001Kafka\u306e\u7279\u6027\u3092\u6d3b\u304b\u3057\u305f\u5b9f\u8df5\u7684\u306a\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"i-44\">\u307e\u3068\u3081\uff1aApache Kafka\u3067\u5b9f\u73fe\u3059\u308b\u6b21\u4e16\u4ee3\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u57fa\u76e4<\/h1>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001Apache Kafka\u306b\u3064\u3044\u3066\u57fa\u790e\u304b\u3089\u5b9f\u8df5\u7684\u306a\u5b9f\u88c5\u307e\u3067\u3001\u5e45\u5e83\u304f\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u3053\u3053\u3067\u5b66\u3093\u3060\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3092\u6574\u7406\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-45\">\u4e3b\u8981\u306a\u5b66\u7fd2\u30dd\u30a4\u30f3\u30c8<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u57fa\u790e\u6982\u5ff5\u306e\u7406\u89e3<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u5206\u6563\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u3068\u3057\u3066\u306eKafka\u306e\u7279\u5fb4<\/li>\n\n\n\n<li>\u5f93\u6765\u30b7\u30b9\u30c6\u30e0\u3068\u306e\u9055\u3044\u3068\u512a\u4f4d\u6027<\/li>\n\n\n\n<li>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3068\u4fe1\u983c\u6027\u306e\u78ba\u4fdd\u65b9\u6cd5<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u628a\u63e1<\/strong>\n<ul class=\"wp-block-list\">\n<li>Topic\u3001Partition\u3001Replica\u306e\u95a2\u4fc2\u6027<\/li>\n\n\n\n<li>Producer\/Consumer API\u306e\u5f79\u5272<\/li>\n\n\n\n<li>ZooKeeper\u306e\u91cd\u8981\u6027<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5b9f\u88c5\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong>\n<ul class=\"wp-block-list\">\n<li>Java API\u3092\u4f7f\u7528\u3057\u305f\u52b9\u7387\u7684\u306a\u5b9f\u88c5\u65b9\u6cd5<\/li>\n\n\n\n<li>Spring Boot\u3068\u306e\u9023\u643a\u624b\u6cd5<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3068\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u904b\u7528\u7ba1\u7406\u306e\u30ce\u30a6\u30cf\u30a6<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306e\u5177\u4f53\u7684\u65b9\u6cd5<\/li>\n\n\n\n<li>\u52b9\u679c\u7684\u306a\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u624b\u6cd5<\/li>\n\n\n\n<li>\u707d\u5bb3\u5bfe\u7b56\u3068\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u6226\u7565<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5b9f\u8df5\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u30c7\u30fc\u30bf\u5206\u6790<\/li>\n\n\n\n<li>\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u9593\u901a\u4fe1<\/li>\n\n\n\n<li>\u30ed\u30b0\u96c6\u7d04\u30b7\u30b9\u30c6\u30e0<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-46\">\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/h3>\n\n\n\n<p>Kafka\u3092\u3055\u3089\u306b\u6df1\u304f\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b9\u30c6\u30c3\u30d7\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5b9f\u8df5\u7684\u306a\u7d4c\u9a13\u3092\u7a4d\u3080<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u5c0f\u898f\u6a21\u306a\u691c\u8a3c\u74b0\u5883\u3067\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u306e\u5b9f\u65bd<\/li>\n\n\n\n<li>\u904b\u7528\u76e3\u8996\u306e\u4f53\u5236\u69cb\u7bc9<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u6700\u65b0\u52d5\u5411\u306e\u30ad\u30e3\u30c3\u30c1\u30a2\u30c3\u30d7<\/strong>\n<ul class=\"wp-block-list\">\n<li>KRaft\u30e2\u30fc\u30c9\u3078\u306e\u79fb\u884c\u691c\u8a0e<\/li>\n\n\n\n<li>\u65b0\u6a5f\u80fd\u306e\u8a55\u4fa1\u3068\u5c0e\u5165\u8a08\u753b<\/li>\n\n\n\n<li>\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3078\u306e\u53c2\u52a0<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u767a\u5c55<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u691c\u8a0e<\/li>\n\n\n\n<li>\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u5316\u306e\u63a8\u9032<\/li>\n\n\n\n<li>\u30af\u30e9\u30a6\u30c9\u30cd\u30a4\u30c6\u30a3\u30d6\u74b0\u5883\u3078\u306e\u5bfe\u5fdc<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-47\">\u53c2\u8003\u30ea\u30bd\u30fc\u30b9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/kafka.apache.org\/documentation\/\">Apache Kafka\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/developer.confluent.io\/\">Confluent Developer<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/spring.io\/projects\/spring-kafka\">Spring for Apache Kafka<\/a><\/li>\n<\/ul>\n\n\n\n<p>Kafka\u306f\u73fe\u4ee3\u306e\u30c7\u30fc\u30bf\u99c6\u52d5\u578b\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3044\u3066\u3001\u307e\u3059\u307e\u3059\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u3066\u3044\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u89e3\u8aac\u3057\u305f\u5185\u5bb9\u3092\u57fa\u306b\u3001\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306e\u6d3b\u7528\u3092\u9032\u3081\u3066\u3044\u305f\u3060\u3051\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6700\u5f8c\u306b\u3001\u8a18\u4e8b\u306b\u95a2\u3059\u308b\u3054\u8cea\u554f\u3084\u3054\u610f\u898b\u304c\u3042\u308a\u307e\u3057\u305f\u3089\u3001\u30b3\u30e1\u30f3\u30c8\u6b04\u306b\u3066\u304a\u5f85\u3061\u3057\u3066\u304a\u308a\u307e\u3059\u3002\u5b9f\u8df5\u3067\u306e\u77e5\u898b\u306e\u5171\u6709\u3082\u5927\u6b53\u8fce\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Warning: Undefined array key &#8220;is_admin&#8221; in 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<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-669","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-uncategorized","7":"nothumb"},"_links":{"self":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/669","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=669"}],"version-history":[{"count":2,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/669\/revisions"}],"predecessor-version":[{"id":676,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/669\/revisions\/676"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=669"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}