{"id":54487,"date":"2024-02-02T22:52:54","date_gmt":"2024-02-02T13:52:54","guid":{"rendered":"https:\/\/kinsta.com\/jp\/?p=54487&#038;preview=true&#038;preview_id=54487"},"modified":"2024-02-05T17:43:34","modified_gmt":"2024-02-05T08:43:34","slug":"logging-slow-queries","status":"publish","type":"post","link":"https:\/\/kinsta.com\/jp\/blog\/logging-slow-queries\/","title":{"rendered":"Active Support::Notifications\u306b\u3088\u308b\u4f4e\u901f\u30af\u30a8\u30ea\u7279\u5b9a\u306e\u65b9\u6cd5"},"content":{"rendered":"<p>\u4f4e\u901f\u30af\u30a8\u30ea\u306e\u30ed\u30b0\u3067\u306e\u8a18\u9332\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/ruby-on-rails-applications\/\">Rails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/a>\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306b\u304a\u3044\u3066\u975e\u5e38\u306b\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002Rails\u306b\u306f\u3001 Active Support::Notifications\u3068\u547c\u3070\u308c\u308b\u3001\u6642\u9593\u306e\u304b\u304b\u3063\u3066\u3044\u308b\u30af\u30a8\u30ea\u3092\u30ed\u30b0\u306b\u8a18\u9332\u3059\u308b\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001Active Support::Notification\u3092\u4f7f\u3063\u3066Rails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u9045\u3044\u30af\u30a8\u30ea\u3092\u30ed\u30b0\u306b\u8a18\u9332\u3059\u308b\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u9045\u3044\u30af\u30a8\u30ea\u306e\u30ed\u30b0\u3092\u5206\u6790\u3057\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u3092\u7279\u5b9a\u3057\u3001\u8abf\u6574\u3059\u308b\u30d2\u30f3\u30c8\u306b\u3082\u89e6\u308c\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<div><\/div><kinsta-auto-toc heading=\"Table of Contents\" exclude=\"last\" list-style=\"arrow\" selector=\"h2\" count-number=\"-1\"><\/kinsta-auto-toc>\n<h2>\u30af\u30a8\u30ea\u306e\u9045\u5ef6\u3068\u306f<\/h2>\n<p>\u305d\u3082\u305d\u3082\u6642\u9593\u306e\u304b\u304b\u3063\u3066\u3044\u308b\u30af\u30a8\u30ea\u3068\u306f\u3001\u5b9f\u884c\u306b\u4e00\u5b9a\u306e\u3057\u304d\u3044\u5024\u4ee5\u4e0a\u306e\u6642\u9593\u304c\u304b\u304b\u308b\u30af\u30a8\u30ea\u306e\u3053\u3068\u3067\u3059\u3002\u30af\u30a8\u30ea\u306e\u300c\u9045\u5ef6\u300d\u3092\u898f\u5b9a\u3059\u308b\u7d76\u5bfe\u7684\u306a\u57fa\u6e96\u5024\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u305d\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8981\u4ef6\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u76ee\u5b89\u3068\u3057\u3066\u306f\u3001100\u30df\u30ea\u79d2\u4ee5\u4e0a\u304b\u304b\u308b\u30af\u30a8\u30ea\u306f\u3059\u3079\u3066\u4f4e\u901f\u306e\u30af\u30a8\u30ea\u3067\u3042\u308b\u3068\u8003\u3048\u308b\u306e\u304c\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<h2>\u306a\u305c\u9045\u3044\u30af\u30a8\u30ea\u306e\u30ed\u30b0\u3092\u53d6\u308b\u3053\u3068\u304c\u91cd\u8981\u306a\u306e\u304b<\/h2>\n<p>\u9045\u5ef6\u306e\u898b\u3089\u308c\u308b\u30af\u30a8\u30ea\u3092\u30ed\u30b0\u306b\u8a18\u9332\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u306b\u306f\u3044\u304f\u3064\u3082\u306e\u7406\u7531\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u3001\u9045\u3044\u30af\u30a8\u30ea\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u6839\u672c\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u9762\u3067\u306e\u554f\u984c\u306e\u5146\u5019\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30af\u30a8\u30ea\u306e\u9045\u5ef6\u72b6\u6cc1\u3092\u30ed\u30b0\u306b\u8a18\u9332\u3059\u308b\u3053\u3068\u3067\u3001\u305d\u306e\u3088\u3046\u306a\u554f\u984c\u3092\u65e9\u3044\u6bb5\u968e\u3067\u7279\u5b9a\u3057\u3001\u8abf\u6574\u306e\u305f\u3081\u306e\u624b\u6bb5\u3092\u8b1b\u3058\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4e88\u9632\u306f\u6cbb\u7642\u306b\u52dd\u308a\u307e\u3059\u3002<\/p>\n<p>\u7b2c\u4e8c\u306b\u3001\u9045\u3044\u30af\u30a8\u30ea\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u6f5c\u5728\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9762\u3067\u306e\u8106\u5f31\u6027\u3092\u7279\u5b9a\u3059\u308b\u306e\u306b\u6709\u52b9\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001<a href=\"https:\/\/kinsta.com\/blog\/sql-injection\/\">SQL\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u653b\u6483<\/a>\u3092\u539f\u56e0\u3068\u3059\u308b\u4f4e\u901f\u30af\u30a8\u30ea\u306f\u3001\u8106\u5f31\u6027\u3092\u7279\u5b9a\u3057\u3001\u305d\u308c\u3092\u8efd\u6e1b\u3059\u308b\u7b56\u3092\u8b1b\u3058\u308b\u304d\u3063\u304b\u3051\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u7b2c\u4e09\u306b\u3001\u6642\u9593\u306e\u304b\u304b\u3063\u3066\u3044\u308b\u30af\u30a8\u30ea\u306b\u72d9\u3044\u3092\u5b9a\u3081\u308b\u3053\u3068\u3067\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u9045\u3044\u30af\u30a8\u30ea\u306e\u30ed\u30b0\u3092\u5206\u6790\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u3092\u6700\u3082\u5f15\u304d\u8d77\u3053\u3057\u3066\u3044\u308b\u30af\u30a8\u30ea\u3092\u7279\u5b9a\u3057\u3001\u305d\u306e\u30af\u30a8\u30ea\u3092\u6700\u9069\u5316\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001Active Support::Notifications\u3092\u4f7f\u7528\u3057\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4f4e\u901f\u30af\u30a8\u30ea\u30a4\u30d9\u30f3\u30c8\u3092\u8a18\u9332\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>Active Support::Notifications\u3068\u306f<\/h2>\n<p>Active Support::Notifications\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3084\u52d5\u4f5c\u306b\u3064\u3044\u3066\u6df1\u3044\u6d1e\u5bdf\u3092\u5fc5\u8981\u3068\u3059\u308b<a href=\"https:\/\/kinsta.com\/jp\/blog\/types-of-developers\/\">Rails\u958b\u767a\u8005<\/a>\u306b\u6b20\u304b\u305b\u306a\u3044\u6a5f\u80fd\u3067\u3059\u3002\u30b3\u30fc\u30c9\u5185\u3067\u767a\u751f\u3057\u305f\u7279\u5b9a\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u8ffd\u8de1\u3057\u3001\u305d\u306e\u5b9f\u884c\u306b\u95a2\u3059\u308b\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u6a5f\u80fd\u3092\u7406\u89e3\u3057\u3001\u52b9\u679c\u7684\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001Rails\u30a2\u30d7\u30ea\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u4fdd\u5b88\u6027\u3001\u5168\u4f53\u7684\u306a\u5065\u5168\u6027\u3092\u5927\u5e45\u306b\u5f15\u304d\u4e0a\u3052\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u3001Active Support::Notifications\u306e\u6982\u8981\u3068\u4e3b\u306a\u5229\u70b9\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h3>\u6a5f\u80fd<\/h3>\n<ul>\n<li>\u30a4\u30f3\u30b9\u30c8\u30eb\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\uff1a<a href=\"https:\/\/edgeguides.rubyonrails.org\/active_support_instrumentation.html\" target=\"_blank\" rel=\"noopener noreferrer\">ActiveSupport::Notifications.instrument<\/a>\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001Rails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u7279\u5b9a\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u8ffd\u8de1\u3001\u76e3\u8996\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u540d\u524d\u3001\u30da\u30a4\u30ed\u30fc\u30c9\uff08\u4efb\u610f\u306e\u30c7\u30fc\u30bf\uff09\u3001\u5b9f\u884c\u3059\u308b\u30b3\u30fc\u30c9\u30d6\u30ed\u30c3\u30af\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002<\/li>\n<li>\u30da\u30a4\u30ed\u30fc\u30c9\uff1a\u30da\u30a4\u30ed\u30fc\u30c9\u306b\u306f\u3001\u30a4\u30f3\u30b9\u30c8\u30eb\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u5bfe\u8c61\u306e\u30a4\u30d9\u30f3\u30c8\u306b\u95a2\u9023\u3059\u308b\u8ffd\u52a0\u30c7\u30fc\u30bf\u3092\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3001\u30e6\u30fc\u30b6\u30fcID\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30af\u30a8\u30ea\u306e\u8a73\u7d30\u306a\u3069\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/api.rubyonrails.org\/classes\/ActiveSupport\/Subscriber.html\" target=\"_blank\" rel=\"noopener noreferrer\">\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d0\u30fc<\/a>\uff1a\u30d6\u30ed\u30c3\u30af\u304c\u5b9f\u884c\u3055\u308c\u305f\u5f8c\u3001Active Support\u306f\u767b\u9332\u3055\u308c\u305f\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d0\u30fc\u306b\u540d\u524d\u3068\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u542b\u3080\u901a\u77e5\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u3053\u306e\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d0\u30fc\u304c\u3001\u60c5\u5831\u3092\u51e6\u7406\u3057\u3001\u30a4\u30d9\u30f3\u30c8\u306b\u57fa\u3065\u3044\u3066\u7279\u5b9a\u306e\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>\u30e1\u30ea\u30c3\u30c8<\/h3>\n<ul>\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\uff1a\u4e3b\u8981\u306a\u30a4\u30d9\u30f3\u30c8\u3092\u8ffd\u8de1\u3059\u308b\u3053\u3068\u3067\u3001\u305d\u306e\u5b9f\u884c\u6642\u9593\u3092\u628a\u63e1\u3057\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5185\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3092\u7279\u5b9a\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b3\u30fc\u30c9\u3092\u6700\u9069\u5316\u3057\u3066Rails\u30a2\u30d7\u30ea\u5168\u4f53\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6539\u5584\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<li>\u30c7\u30d0\u30c3\u30b0\uff1a\u901a\u77e5\u304b\u3089\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d5\u30ed\u30fc\u306b\u95a2\u3059\u308b\u8cb4\u91cd\u306a\u6d1e\u5bdf\u304c\u5f97\u3089\u308c\u3001\u3053\u308c\u3092\u4f7f\u3063\u3066\u554f\u984c\u3092\u8a3a\u65ad\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u30c7\u30fc\u30bf\u304b\u3089\u3001\u5b9f\u884c\u6642\u306e\u4e88\u671f\u305b\u306c\u52d5\u4f5c\u3084\u30a8\u30e9\u30fc\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<li>\u30ab\u30b9\u30bf\u30e0\u30a4\u30f3\u30b9\u30c8\u30eb\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\uff1a\u30ab\u30b9\u30bf\u30e0\u30a4\u30f3\u30b9\u30c8\u30eb\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u30b5\u30d6\u30b9\u30af\u30e9\u30a4\u30d0\u30fc\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3067\u3001Active Support::Notifications\u306e\u6a5f\u80fd\u3092\u62e1\u5f35\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u56fa\u6709\u306e\u30cb\u30fc\u30ba\u306b\u95a2\u9023\u3059\u308b\u7279\u5b9a\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u8ffd\u8de1\u53ef\u80fd\u3067\u3059\u3002<\/li>\n<li>\u4ed6\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u306e\u7d71\u5408\uff1aAction Cable\u3084ActiveJob\u306e\u3088\u3046\u306a\u6570\u591a\u304f\u306eRails\u30e9\u30a4\u30d6\u30e9\u30ea\u304b\u3089\u3001Active Support::Notifications\u3092\u6d3b\u7528\u3057\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c7\u30fc\u30bf\u3068\u30a4\u30d9\u30f3\u30c8\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u306e\u6a5f\u80fd\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>Active Support::Notifications\u3067\u9045\u3044\u30af\u30a8\u30ea\u3092\u8a18\u9332\u3059\u308b\u65b9\u6cd5<\/h2>\n<p><a href=\"https:\/\/api.rubyonrails.org\/classes\/ActiveSupport\/Notifications.html\" target=\"_blank\" rel=\"noopener noreferrer\">Active Support::Notifications<\/a>\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u767a\u751f\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u3092\u8a18\u9332\u3059\u308b\u305f\u3081\u306eRails\u306e\u7d44\u307f\u8fbc\u307f\u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u3059\u3002Active Support::Notifications\u3092\u4f7f\u7528\u3057\u3066\u9045\u3044\u30af\u30a8\u30ea\u3092\u30ed\u30b0\u306b\u8a18\u9332\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u4f8b\u3092\u30a4\u30cb\u30b7\u30e3\u30e9\u30a4\u30b6\uff08<code>config\/initializers\/error_notifications.rb<\/code>\u306a\u3069\uff09\u306b\u8a18\u8ff0\u3057\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8d77\u52d5\u6642\u306b\u5b9f\u884c\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u307e\u305f\u306f\u3001\u3053\u306e\u30b3\u30fc\u30c9\u3092\u7279\u5b9a\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3084\u30e2\u30c7\u30eb\u306b\u8ffd\u52a0\u3057\u3066\u3001 \u5bfe\u8c61\u3068\u3059\u308b\u30ed\u30ae\u30f3\u30b0\u3092\u884c\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-ruby\">config.active_support.Notifications.subscribe('sql.active_record') do |*args|\n  event = ActiveSupport::Notifications::Event.new(*args)\n  if event.duration &gt; 100\n    Rails.logger.info \"Slow query: #{event.payload[:sql]}\"\n  end\nend<\/code><\/pre>\n<p>\u3053\u306e\u30b3\u30fc\u30c9\u306f\u3001\u5b9f\u884c\u306b100\u30df\u30ea\u79d2\u4ee5\u4e0a\u304b\u304b\u308b\u3059\u3079\u3066\u306eSQL\u30af\u30a8\u30ea\u3092\u30ed\u30b0\u306b\u8a18\u9332\u3057\u307e\u3059\u3002<\/p>\n<p>\u30ed\u30b0\u306b\u306f\u3001SQL\u6587\u3001\u30af\u30a8\u30ea\u306e\u5b9f\u884c\u6642\u9593\u3001\u30af\u30a8\u30ea\u304c\u5b9f\u884c\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u540d\u3001\u884c\u756a\u53f7\u306a\u3069\u304c\u8a18\u8f09\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>\u9045\u3044\u30af\u30a8\u30ea\u306e\u30ed\u30b0\u3092\u5206\u6790\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>\u4f4e\u901f\u30af\u30a8\u30ea\u306e\u30ed\u30b0\u3092\u8a18\u9332\u3057\u59cb\u3081\u305f\u3089\u3001\u30ed\u30b0\u3092\u89e3\u6790\u3057\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u4e0a\u306e\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3057\u3066\u3044\u308b\u30af\u30a8\u30ea\u3092\u7279\u5b9a\u3059\u308b\u4f5c\u696d\u306b\u79fb\u884c\u3057\u307e\u3057\u3087\u3046\u3002\u30ed\u30b0\u3092\u5206\u6790\u3057\u3001\u6642\u9593\u306e\u304b\u304b\u3063\u3066\u3044\u308b\u30af\u30a8\u30ea\u3092\u7279\u5b9a\u3059\u308b\u65b9\u6cd5\u306f\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>1\u3064\u306f\u3001<a href=\"https:\/\/github.com\/igorkasyanchuk\/rails_performance\" target=\"_blank\" rel=\"noopener noreferrer\">Rails Performance Dashboard<\/a>\u306e\u3088\u3046\u306a\u30c4\u30fc\u30eb\u3092\u4f7f\u3046\u65b9\u6cd5\u3067\u3059\u3002Rails Performance Dashboard\u3067\u306f\u3001\u30b0\u30e9\u30d5\u30a3\u30ab\u30eb\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u901a\u3058\u3066\u30af\u30a8\u30ea\u30ed\u30b0\u3092\u8868\u793a\u3057\u3001\u6642\u9593\u306e\u304b\u304b\u3063\u3066\u3044\u308b\u3082\u306e\u3092\u5206\u6790\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30ed\u30b0\u304b\u3089\u9045\u3044\u30af\u30a8\u30ea\u3092\u5206\u6790\u3059\u308b\u3082\u30461\u3064\u306e\u65b9\u6cd5\u3068\u3057\u3066\u3001\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u3084\u30b9\u30d7\u30ec\u30c3\u30c9\u30b7\u30fc\u30c8\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u30c6\u30ad\u30b9\u30c8\u30a8\u30c7\u30a3\u30bf\u3084\u30b9\u30d7\u30ec\u30c3\u30c9\u30b7\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u3066\u3001\u4f4e\u901f\u30af\u30a8\u30ea\u306e\u30ed\u30b0\u3092\u671f\u9593\u3001SQL\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3001\u30d5\u30a1\u30a4\u30eb\u540d\u3067\u4e26\u3079\u66ff\u3048\u305f\u308a\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u3092\u6700\u3082\u5f15\u304d\u8d77\u3053\u3057\u3066\u3044\u308b\u30af\u30a8\u30ea\u3092\u7c21\u5358\u306b\u767a\u898b\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u9045\u3044\u30af\u30a8\u30ea\u3092\u89e3\u6c7a\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u9762\u3067\u306e\u554f\u984c\u3092\u6700\u3082\u5f15\u304d\u8d77\u3053\u3057\u3066\u3044\u308b\u30af\u30a8\u30ea\u3092\u7279\u5b9a\u3057\u305f\u3089\u3001\u305d\u306e\u30af\u30a8\u30ea\u306b\u5bfe\u51e6\u3059\u308b\u30b9\u30c6\u30c3\u30d7\u3078\u3068\u9032\u307f\u307e\u3057\u3087\u3046\u3002\u9045\u3044\u30af\u30a8\u30ea\u306e\u89e3\u6c7a\u65b9\u6cd5\u306f\u8907\u6570\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u306fSQL\u6587\u3092\u6700\u9069\u5316\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002SQL\u6587\u3092\u6700\u9069\u5316\u3059\u308b\u306b\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f7f\u7528\u3057\u305f\u308a\u3001\u5236\u7d04\u3092\u8ffd\u52a0\u3057\u305f\u308a\u3001\u3088\u308a\u52b9\u7387\u7684\u306a\u30af\u30a8\u30ea\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4f4e\u901f\u30af\u30a8\u30ea\u3092\u89e3\u6c7a\u3059\u308b\u3082\u3046\u3072\u3068\u3064\u306e\u65b9\u6cd5\u306f\u3001\u30af\u30a8\u30ea\u306e\u7d50\u679c\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u30af\u30a8\u30ea\u306e\u7d50\u679c\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u306b\u306f\u3001<a href=\"https:\/\/kinsta.com\/jp\/blog\/rails-caching\/#cache-stores-and-backends-in-ruby-on-rails\">Rails\u30ad\u30e3\u30c3\u30b7\u30e5\u30b9\u30c8\u30a2<\/a>\u3084<a href=\"https:\/\/kinsta.com\/jp\/blog\/rails-caching\/\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30ad\u30e3\u30c3\u30b7\u30e5<\/a>\uff08<a href=\"https:\/\/kinsta.com\/jp\/blog\/memcached-vs-redis\/\">Redis\u3001Memcached\u306a\u3069<\/a>\uff09\u3092\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30da\u30fc\u30b8\u5206\u5272\u3092\u5b9f\u88c5\u3057\u3066\u30c7\u30fc\u30bf\u91cf\u306e\u5927\u304d\u306a\u3082\u306e\u3092\u5c0f\u3055\u306a\u30da\u30fc\u30b8\u306b\u5206\u5272\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u6e1b\u3089\u3059\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30b8\u30e7\u30d6\u3092\u5b9f\u884c\u3057\u3001\u9577\u6642\u9593\u5b9f\u884c\u3059\u308b\u30af\u30a8\u30ea\u3092\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30b8\u30e7\u30d6\u306b\u30aa\u30d5\u30ed\u30fc\u30c9\u3057\u3066\uff08Sidekiq\u3084Resque\u306e\u4f7f\u7528\u306a\u3069\uff09\u3001\u30a6\u30a7\u30d6\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u308b\u306e\u3092\u9632\u3050\u306e\u3082\u4e00\u3064\u306e\u624b\u3067\u3059\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>Active Support::Notifications\u306f\u3001\u4f4e\u901f\u30af\u30a8\u30ea\u3092\u8a18\u9332\u3059\u308b\u306e\u306b\u52b9\u679c\u3092\u767a\u63ee\u3059\u308bRails\u7d44\u307f\u8fbc\u307f\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3067\u3059\u3002\u9045\u3044\u30af\u30a8\u30ea\u306e\u30ed\u30b0\u3067\u306e\u8a18\u9332\u306f\u3001Rails\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306b\u6b20\u304b\u305b\u306a\u3044\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002\u30af\u30a8\u30ea\u3092\u30ed\u30b0\u306b\u8a18\u9332\u3059\u308b\u3053\u3068\u3067\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u3092\u65e9\u3044\u6bb5\u968e\u3067\u7279\u5b9a\u3057\u3001\u6539\u5584\u306e\u305f\u3081\u306e\u7b56\u3092\u8b1b\u3058\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Active 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