{"id":982,"date":"2013-05-15T08:39:47","date_gmt":"2013-05-14T23:39:47","guid":{"rendered":"http:\/\/appsweets.net\/blog\/?p=982"},"modified":"2013-05-15T08:39:47","modified_gmt":"2013-05-14T23:39:47","slug":"heavy-memory-use-of-mysql","status":"publish","type":"post","link":"http:\/\/appsweets.net\/blog\/2013\/05\/15\/heavy-memory-use-of-mysql\/","title":{"rendered":"Heavy memory use of MySQL"},"content":{"rendered":"<div class=\"856f7bdf6ce2541193600c6e03dd1a56\" data-index=\"1\" style=\"float: left; margin: 16px 16px 16px 0;\">\n<script type=\"text\/javascript\"><!--\r\ngoogle_ad_client = \"ca-pub-5825700137064158\";\r\n\/* 250sq, appsweets-blog *\/\r\ngoogle_ad_slot = \"4837931762\";\r\ngoogle_ad_width = 250;\r\ngoogle_ad_height = 250;\r\n\/\/-->\r\n<\/script>\r\n<script type=\"text\/javascript\"\r\nsrc=\"http:\/\/pagead2.googlesyndication.com\/pagead\/show_ads.js\">\r\n<\/script>\n<\/div>\n<p>\u30bf\u30c6\u30ed\u30b0\u306e\u958b\u767a\u306e\u305f\u3081\u306b\u3001Windows7 PC \u306b MySQL 5.6.10 \u3092\u5165\u308c\u3066\u3044\u308b\u308f\u3051\u3060\u304c\u3001\u305d\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u3084\u305f\u3089\u30e1\u30e2\u30ea\u3092\u98df\u3046\u3002500 \uff5e 600MB \u304f\u3089\u3044\u5e38\u306b\u78ba\u4fdd\u3057\u3066\u3044\u308b\u3002\u3053\u306e\u304f\u3089\u3044\u306e\u30e1\u30e2\u30ea\u306f\u304b\u306a\u308a\u5fae\u5999\u306a\u30e9\u30a4\u30f3\u3060\u3002\u3053\u308c\u304c 1G \u306b\u8fd1\u3065\u304f\u3068\u300c\u3084\u3079\u3048\u306a\uff01\u3000\u5373\u306a\u3093\u3068\u304b\u3057\u305f\u3044\uff01\u300d\u3068\u3044\u3046\u6c17\u5206\u306b\u306a\u308b\u306e\u3060\u304c\u3001\u300c\u307e\u3042\u3053\u306e\u304f\u3089\u3044\u306a\u3089\u3044\u3044\u304b\u306a\u2026\u6687\u306a\u6642\u306b\u3084\u308b\u6c17\u304c\u3042\u308c\u3070\u306a\u3093\u3068\u304b\u3059\u308b\u2026\u300d\u30e9\u30a4\u30f3\u306e\u304e\u308a\u304e\u308a\u306e\u9650\u754c\u304f\u3089\u3044\u3060\u3002\u500b\u4eba\u7684\u306b\u3002<\/p>\n<p>\u3068\u3044\u3046\u308f\u3051\u3067\u6687\u3068\u3044\u3046\u308f\u3051\u3067\u3082\u306a\u3044\u306e\u3060\u304c\u3084\u308b\u6c17\u3092\u51fa\u3057\u3066\u306a\u3093\u3068\u304b\u3057\u3066\u307f\u308b\u3002<\/p>\n<p>\u3053\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306e my.ini \u306f C:\\ProgramData\\MySQL\\MySQL Server 5.6\\my.ini \u3068\u3044\u3046\u30d1\u30b9\u306b\u3042\u308b\u3002\u3053\u308c\u3092\u3044\u3058\u3063\u3066\u5404\u9805\u76ee\u306e\u30b5\u30a4\u30ba\u3092\u6e1b\u3089\u305b\u3070\u3044\u3044\u306e\u3060\u3002\u3061\u306a\u307f\u306b\u53e4\u3044 MySQL \u3060\u3068\u5927\u30e1\u30e2\u30ea\u30fb\u4e2d\u30e1\u30e2\u30ea\u30fb\u5c11\u30e1\u30e2\u30ea\u74b0\u5883\u7528\u306e my.ini \u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u304c\u7528\u610f\u3055\u308c\u3066\u305f\u3088\u3046\u306a\u6c17\u304c\u3059\u308b\u306e\u3060\u304c\u3001\u6700\u8fd1\u306e\u306f\u306a\u3044\u3088\u3046\u3060\u3002<\/p>\n<p>\u3068\u308a\u3042\u3048\u305a my.ini \u4e2d\u306e\u3044\u308d\u3093\u306a\u30d0\u30c3\u30d5\u30a1\u30b5\u30a4\u30ba\u3092\u5358\u7d14\u306b\u534a\u5206\u306b\u3057\u3066\u307f\u305f\u3002\u2026\u5909\u5316\u306a\u3057\u3002\u3093\u3093\uff1f<\/p>\n<p>\u3050\u3050\u3063\u3066\u307f\u308b\u3068\u3001<a href=\"http:\/\/bugs.mysql.com\/bug.php?id=68287\" target=\"_blank\">\u3053\u3046\u3044\u3046\u3053\u3068<\/a>\u3089\u3057\u3044\u3002\u3064\u307e\u308a table_definition_cache=1400 \u306a\u308b\u884c\u81ea\u4f53\u3092\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3059\u308b\u3002\u305d\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u30ef\u30fc\u30ad\u30f3\u30b0\u30b5\u30a4\u30ba\u306f 20MB \u7a0b\u5ea6\u3001\u30b3\u30df\u30c3\u30c8\u30b5\u30a4\u30ba\u306f 60MB \u7a0b\u5ea6\u306b\u307e\u3067\u7e2e\u5c0f\u3057\u305f\u3002\u3063\u3066\u6841\u304c\u9055\u3046\u2026\u3002<\/p>\n<div class=\"856f7bdf6ce2541193600c6e03dd1a56\" data-index=\"1\" style=\"float: left; 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