{"provider_url":"https://hatena.blog","width":"100%","author_url":"https://blog.hatena.ne.jp/tkrd/","type":"rich","image_url":null,"blog_url":"https://tkrd.hatenadiary.org/","blog_title":"tkrd\u306e\u65e5\u8a18 (rails \u3084 ubuntu \u306e\u3053\u3068\u306a\u3069)","published":"2013-11-21 23:29:39","version":"1.0","author_name":"tkrd","description":"MySQL (InnoDB) \u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5206\u96e2\u30ec\u30d9\u30eb\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067 REPEATABLE READ \u3067\u3059\u3002\u3053\u306e\u8a2d\u5b9a\u3067\u306f\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u6700\u521d\u306e\u30af\u30a8\u30ea\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8\u3092\u53d6\u3063\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u4ed6\u306e\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u30b3\u30df\u30c3\u30c8\u3057\u305f\u5909\u66f4\u304c\u898b\u3048\u307e\u305b\u3093\u3002Web \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u3067\u306f\u7d50\u69cb\u4f7f\u3044\u3065\u3089\u3044\u5206\u96e2\u30ec\u30d9\u30eb\u3067\u3059\u3002\u7279\u306b\u7406\u7531\u304c\u306a\u3044\u304b\u304e\u308a READ COMMITTED \u3092\u63a1\u7528\u3057\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u3002Rails 3.x \u6642\u4ee3\u307e\u3067\u306f\u3001 ActiveRecord::Base.connection. execute('SET TRANSACTION ISOLATION LEVEL READ COMMIT\u2026","url":"https://tkrd.hatenadiary.org/entry/20131121/1385044179","title":"Rails & MySQL: \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u5206\u96e2\u30ec\u30d9\u30eb\u3092\u30b0\u30ed\u30fc\u30d0\u30eb\u306b\u8a2d\u5b9a\u3059\u308b","height":"190","provider_name":"Hatena Blog","categories":[],"html":""}