{"id":23802,"date":"2025-11-15T16:31:14","date_gmt":"2025-11-15T16:31:14","guid":{"rendered":"https:\/\/pokecon.jp\/job\/?p=23802"},"modified":"2025-11-15T16:31:14","modified_gmt":"2025-11-15T16:31:14","slug":"%e3%80%8erails-scales%e3%80%8f%e3%82%92%e8%aa%ad%e3%82%93%e3%81%a0-kohei-yamamoto","status":"publish","type":"post","link":"https:\/\/pokecon.jp\/job\/23802\/","title":{"rendered":"\u300eRails Scales!\u300f\u3092\u8aad\u3093\u3060 | K\u014dhei Yamamoto"},"content":{"rendered":"\n<\/p>\n<div id=\"\"> <time datetime=\"2025-11-15T16:00:00Z\" class=\"text-base\"> 2025-11-15 <\/time>  <\/p>\n<p>The Pragmatic Bookshelf (pragprog.com)\u304b\u3089\u51fa\u3066\u3044\u308b\u300eRails Scales!\u300f\u3092\u8aad\u3093\u3060\u3002<\/p>\n<article class=\"link-preview\" data-astro-cid-hkusvy5r=\"\">\n<div class=\"link-preview__content\" data-astro-cid-hkusvy5r=\"\">\n<header data-astro-cid-hkusvy5r=\"\"><a target=\"_blank\" class=\"link-preview__title\" href=\"https:\/\/pragprog.com\/titles\/cprpo\/rails-scales\/\" data-astro-cid-hkusvy5r=\"\">Rails Scales!<\/a> <small class=\"link-preview__domain\" data-astro-cid-hkusvy5r=\"\">pragprog.com<\/small><\/header>\n<p><small class=\"link-preview__description\" data-astro-cid-hkusvy5r=\"\">Build Rails applications that scale. Discover the small changes that make a big difference in efficiency. Design applications for performance from the start.<\/small><\/div>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pragprog.com\/titles\/cprpo\/cprpo-large.jpg\" alt=\"\" width=\"1200\" height=\"630\" data-astro-cid-hkusvy5r=\"\"\/><\/article>\n<h2 id=\"\u6982\u8981\">\u6982\u8981<\/h2>\n<p>\u4e8b\u696d\u3084\u6271\u3046\u30c7\u30fc\u30bf\u306e\u5927\u898f\u6a21\u5316\u306b\u8010\u3048\u3046\u308bRails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u3063\u3066\u3044\u304f\u305f\u3081\u306e\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u3066\u3044\u308b\u672c\u3002<\/p>\n<p>\u4e3b\u306a\u30c8\u30d4\u30c3\u30af\u3067\u3042\u308b\u6027\u80fd\u6539\u5584\u306b\u95a2\u3059\u308b\u8a71\u984c\u3068\u3057\u3066\u306f<\/p>\n<ul>\n<li>Active Record\u306eeager loading\u3084RDB\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u9069\u5207\u306a\u5229\u7528\u65b9\u6cd5<\/li>\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5229\u7528\u65b9\u6cd5\uff08\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ec\u30a4\u30e4\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3001HTTP\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u4e21\u65b9\uff09<\/li>\n<li>API\uff08\u3053\u3053\u3067\u306f\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u304c\u63d0\u4f9b\u3059\u308bREST API\u306a\u3069\u3092\u60f3\u5b9a\uff09\u306e\u30da\u30fc\u30b8\u30cd\u30fc\u30b7\u30e7\u30f3\u3084\u4ed6\u30ea\u30bd\u30fc\u30b9\u57cb\u3081\u8fbc\u307f\u306b\u95a2\u3059\u308b\u65b9\u6cd5\u306e\u6bd4\u8f03<\/li>\n<li>DB\u306e\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0\u3001\u975e\u540c\u671f\u51e6\u7406\u306e\u5c0e\u5165\u3001\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u306a\u3069\u30b7\u30b9\u30c6\u30e0\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/li>\n<\/ul>\n<p>\u306b\u3064\u3044\u3066\u3001Rails\u306e\u6a5f\u80fd\u3092\u4f7f\u3063\u305f\u5b9f\u73fe\u65b9\u6cd5\u3082\u8e0f\u307e\u3048\u3066\u89e3\u8aac\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<p>\u30e6\u30cb\u30fc\u30af\u306a\u70b9\u3068\u3057\u3066\u3001\u5927\u898f\u6a21\u5316\u3092\u8003\u616e\u3057\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4ed5\u69d8\u8a2d\u8a08\u306b\u3064\u3044\u3066\u3082\u89e6\u308c\u3089\u308c\u3066\u304a\u308a\u3001<\/p>\n<ul>\n<li>\u30d7\u30ed\u30c0\u30af\u30c8\u306e\u4ed5\u69d8\u3084\u5236\u9650\u4e8b\u9805\uff08\u60aa\u7528\u9632\u6b62\u306e\u305f\u3081\u306e\u30ec\u30fc\u30c8\u30ea\u30df\u30c3\u30c8\u3084\u30c7\u30fc\u30bf\u6570\u306e\u5236\u9650\uff09\u306b\u95a2\u3059\u308b\u8003\u616e\u4e8b\u9805<\/li>\n<li>\u30a2\u30fc\u30ab\u30a4\u30d6\u3084\u524a\u9664\u306a\u3069\u3001\u30c7\u30fc\u30bf\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u306e\u7d42\u76e4\u306b\u95a2\u3059\u308b\u8003\u616e\u4e8b\u9805<\/li>\n<\/ul>\n<p>\u306b\u3064\u3044\u3066\u8b70\u8ad6\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<p>\u4ed6\u306b\u3082Rails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3059\u308b\u7d44\u7e54\u306e\u898f\u6a21\u62e1\u5927\u306e\u65b9\u7b56\u3068\u3057\u3066\u3001\u30b3\u30fc\u30c9\u30aa\u30fc\u30ca\u30fc\u5c0e\u5165\u3084\u30e2\u30b8\u30e5\u30e9\u30fc\u30e2\u30ce\u30ea\u30b9\u3078\u306e\u79fb\u884c<sup><a target=\"_blank\" href=\"#user-content-fn-modular-monolith\" id=\"user-content-fnref-modular-monolith\" data-footnote-ref=\"\" aria-describedby=\"footnote-label\">1<\/a><\/sup>\u306b\u3064\u3044\u3066\u3082\u89e6\u308c\u3089\u308c\u3066\u3044\u305f\u3002<\/p>\n<h2 id=\"\u611f\u60f3\">\u611f\u60f3<\/h2>\n<p>\u300c\u5927\u898f\u6a21\u5316\u300d\u3068\u3044\u3046\u30c6\u30fc\u30de\u306e\u3082\u3068\u3001Rails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u6027\u80fd\u6539\u5584\u306e\u5177\u4f53\u7684\u306a\u65b9\u6cd5\u304b\u3089\u30b7\u30b9\u30c6\u30e0\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4ed5\u69d8\u3001\u3055\u3089\u306b\u306f\u958b\u767a\u7d44\u7e54\u307e\u3067\u3068\u3001\u8a71\u984c\u304c\u591a\u5c90\u306b\u308f\u305f\u308b\u672c\u3060\u3063\u305f\u3002\u305d\u306e\u5206\u3001\u5404\u8ad6\u306b\u3064\u3044\u3066\u306e\u6398\u308a\u4e0b\u3052\u306f\u305d\u3053\u307e\u3067\u6df1\u304f\u306f\u306a\u3044\u3068\u611f\u3058\u305f\u3002<\/p>\n<p>\u3053\u306e\u672c\u3067\u89e3\u8aac\u3055\u308c\u3066\u3044\u308b\u3088\u3046\u306a\u6027\u80fd\u6539\u5584\u306b\u95a2\u3059\u308b\u77e5\u8b58\u306f\u3001\u3075\u3064\u3046\u3060\u3068Web\u4e0a\u306e\u8cc7\u6599\u3092\u6e09\u731f\u3057\u306a\u304c\u3089\u5b66\u3076\u3053\u3068\u304c\u591a\u3044\u3088\u3046\u306b\u601d\u3046\u306e\u3067\uff08\u305d\u3046\u3067\u3082\u306a\u3044\uff1f\uff09\u3001Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u3092\u3057\u59cb\u3081\u305f\u4eba\u306b\u306f\u5f79\u7acb\u3061\u305d\u3046\u3060\u3068\u601d\u3063\u305f\u3002\u307e\u305f\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u306b\u3064\u3044\u3066\u306e\u89e3\u8aac\u306f\u3001Rails\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u4ed5\u7d44\u307f\u304c\u8907\u6570\u3042\u308a\uff08\u30d5\u30e9\u30b0\u30e1\u30f3\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u3084<a target=\"_blank\" href=\"https:\/\/guides.rubyonrails.org\/caching_with_rails.html#low-level-caching-using-rails-cache\"><code>Rails.cache<\/code><\/a>\u306b\u3088\u308b\u72ec\u81ea\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u30ed\u30b8\u30c3\u30af\uff09\u3001\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u3082\u8907\u6570\u8003\u3048\u3089\u308c\u308b\u305f\u3081\u304b\u8aac\u660e\u304c\u8a73\u3057\u3081\u3060\u3063\u305f\u306e\u3067\u3001\u308f\u308a\u3068\u8aad\u307f\u5fdc\u3048\u304c\u3042\u3063\u305f\u3002<\/p>\n<p>\u500b\u4eba\u7684\u306b\u306f\u4ed5\u69d8\u8a2d\u8a08\u306e\u6642\u70b9\u3067\u5927\u898f\u6a21\u5316\u3092\u898b\u8d8a\u3057\u3066\u304a\u304f\u8a71\u304c\u8208\u5473\u6df1\u304f\u8aad\u3081\u305f\u3002\u3053\u308c\u306f\u5225\u306bYAGNI\u3067\u306f\u306a\u304f\u3001\u3080\u3057\u308d\u30ec\u30fc\u30c8\u30ea\u30df\u30c3\u30c8\u306b\u3057\u3066\u3082\u30c7\u30fc\u30bf\u91cf\u306e\u4e0a\u9650\u306b\u3057\u3066\u3082\u3001\u3042\u3068\u304b\u3089\u5165\u308c\u308b\u306e\u306f\u30e6\u30fc\u30b6\u30fc\u5f71\u97ff\u304c\u5927\u304d\u304f\u96e3\u3057\u3044\u72b6\u6cc1\u306b\u306a\u308a\u3084\u3059\u3044\u306e\u3067\u3001\u3067\u304d\u308b\u3060\u3051\u6700\u521d\u304b\u3089\u5165\u308c\u308b\u3079\u304d\u3060\u3068\u8003\u3048\u3066\u3044\u308b\u3002\u307e\u305f\u3001\u30c7\u30fc\u30bf\u306e\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u306b\u3057\u3066\u3082\u3001\u30a2\u30fc\u30ab\u30a4\u30d6\u306e\u4ed5\u69d8\u3092\u65e9\u3081\u306b\u8003\u3048\u3066\u304a\u304b\u306a\u3044\u3068\u3001\u3042\u3068\u304b\u3089\u30c7\u30fc\u30bf\u306e\u53c2\u7167\u306b\u95a2\u3059\u308b\u4ed5\u69d8\u306b\u5909\u66f4\u304c\u5165\u3063\u3066\u3057\u307e\u3063\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u3046\u308b\u3002\u3053\u306e\u3042\u305f\u308a\u306e\u8ab2\u984c\u306f\u3001\u3084\u308a\u3059\u304e\u306a\u3044\u3088\u3046\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308a\u306a\u304c\u3089\u89e3\u6c7a\u3057\u3066\u3044\u304f\u306e\u304c\u5fc5\u8981\u306a\u3093\u3060\u308d\u3046\u3068\u601d\u3046\u3002<\/p>\n<p>\u5168\u4f53\u3068\u3057\u3066\u306f\u3001\u6027\u80fd\u6539\u5584\u306e\u5165\u9580\u7684\u5185\u5bb9\u306b\u3064\u3044\u3066\u306f\u307e\u3068\u307e\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u305d\u306e\u3042\u305f\u308a\u306b\u8a73\u3057\u304f\u306a\u3044\u4eba\u306f\u4e00\u8aad\u3059\u308b\u306e\u304c\u826f\u3055\u305d\u3046\u3002\u305d\u306e\u307b\u304b\u306f\u6c17\u306b\u306a\u308b\u8a71\u984c\u3092\u3064\u307e\u307f\u98df\u3044\u3059\u308b\u5f62\u3067\u8aad\u3080\u306e\u304c\u3044\u3044\u672c\u304b\u306a\u3068\u601d\u3063\u305f\u3002<\/p>\n<\/p><\/div>\n\n<br \/><a href=\"https:\/\/kymmt.com\/blog\/posts\/rails-scales-book\">\u5143\u306e\u8a18\u4e8b\u3092\u78ba\u8a8d\u3059\u308b <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"2025-11-15 The Pragmatic Bookshelf (pragprog.com)\u304b\u3089\u51fa\u3066\u3044\u308b\u300eRails Scales!\u300f\u3092\u8aad\u3093\u3060\u3002 Rails Scales! pragprog.com Build R [&hellip;]","protected":false},"author":1,"featured_media":23803,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[],"class_list":["post-23802","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hatena-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u300eRails Scales!\u300f\u3092\u8aad\u3093\u3060 | K\u014dhei Yamamoto - \u30dd\u30b1\u30b3\u30f3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kymmt.com\/blog\/posts\/rails-scales-book\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u300eRails Scales!\u300f\u3092\u8aad\u3093\u3060 | K\u014dhei Yamamoto - \u30dd\u30b1\u30b3\u30f3\" \/>\n<meta property=\"og:description\" content=\"2025-11-15 The Pragmatic Bookshelf (pragprog.com)\u304b\u3089\u51fa\u3066\u3044\u308b\u300eRails Scales!\u300f\u3092\u8aad\u3093\u3060\u3002 Rails Scales! pragprog.com Build R [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kymmt.com\/blog\/posts\/rails-scales-book\" \/>\n<meta property=\"og:site_name\" content=\"\u30dd\u30b1\u30b3\u30f3\" \/>\n<meta property=\"article:published_time\" content=\"2025-11-15T16:31:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/pokecon.jp\/job\/wp-content\/uploads\/2025\/11\/cprpo-large.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"250\" \/>\n\t<meta property=\"og:image:height\" content=\"300\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"info@pokecon.jp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"info@pokecon.jp\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/kymmt.com\\\/blog\\\/posts\\\/rails-scales-book#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pokecon.jp\\\/job\\\/23802\\\/\"},\"author\":{\"name\":\"info@pokecon.jp\",\"@id\":\"https:\\\/\\\/pokecon.jp\\\/job\\\/#\\\/schema\\\/person\\\/16c9f07b1ba984d165d9aee259bda997\"},\"headline\":\"\u300eRails 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