{"provider_name":"Hatena Blog","width":"100%","provider_url":"https://hatena.blog","version":"1.0","url":"https://ryuichi1208.hateblo.jp/entry/2021/11/04/222115","author_url":"https://blog.hatena.ne.jp/ryuichi1208/","description":"dev.mysql.com table_io_waits_summary_by_table \u30c6\u30fc\u30d6\u30eb\u3092\u898b\u308c\u3070\u308f\u304b\u308b\u3089\u3057\u3044\u3067\u3059\u3002\u30c6\u30fc\u30d6\u30eb\u5b9a\u7fa9\u306f\u4ee5\u4e0b\u3067COUNT_*\u3092\u30c6\u30fc\u30d6\u30eb\u3054\u3068\u306b\u8868\u793a\u3057\u3066\u6642\u9593\u3092\u7f6e\u3044\u3066\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 mysql> desc performance_schema.table_io_waits_summary_by_table; +------------------+---------------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extr\u2026","published":"2021-11-04 22:21:15","title":"\u3010MySQL\u3011\u30a2\u30af\u30bb\u30b9\u983b\u5ea6\u306e\u591a\u3044\u30c6\u30fc\u30d6\u30eb\u3092\u8abf\u3079\u308b","author_name":"ryuichi1208","image_url":null,"categories":[],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fryuichi1208.hateblo.jp%2Fentry%2F2021%2F11%2F04%2F222115\" title=\"\u3010MySQL\u3011\u30a2\u30af\u30bb\u30b9\u983b\u5ea6\u306e\u591a\u3044\u30c6\u30fc\u30d6\u30eb\u3092\u8abf\u3079\u308b - \u5730\u65b9\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u5b66\u7fd2\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://ryuichi1208.hateblo.jp/","blog_title":"\u5730\u65b9\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u5b66\u7fd2\u65e5\u8a18","height":"190","type":"rich"}