{"type":"rich","description":"Oracle \u306e ASH(Active Session History) \u304b\u3089 \u30ea\u30c6\u30e9\u30ebSQL \u3092\u8ffd\u8de1\u3057\u3066\u307f\u307e\u3059\u3002ASH \u306b\u306f\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u5c65\u6b74\u60c5\u5831\u3001\u3082\u3046\u5c11\u3057\u8a73\u3057\u304f\u8a00\u3046\u3068 DB CPU \u307e\u305f\u306f \u5f85\u6a5f\u72b6\u614b(Disk IO/\u30ed\u30c3\u30af\u5f85\u3061/Network\u5f85\u6a5f/etc...) \u306e \u30bb\u30c3\u30b7\u30e7\u30f3\u60c5\u5831 \u304c 1\u56de/1\u79d2 \u306e\u9593\u9694\u3067\u81ea\u52d5\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3055\u308c\u3066\u3001 V$ACTIVE_SESSION_HISTORY\u30d3\u30e5\u30fc\u306b\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002\u4e0b\u8a18\u3082\u53c2\u7167 Oracle\u00ae Database\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9 11g\u30ea\u30ea\u30fc\u30b92 (11.2) B56311-10 V$ACTIVE_SESSION_HISTORY http://docs\u2026","height":"190","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/g/gonsuke777/20150713/20150713123124.png","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fgonsuke777.hatenablog.com%2Fentry%2F20150713%2F1436766586\" title=\"Oracle \u306e ASH(Active Session History) \u304b\u3089 \u30ea\u30c6\u30e9\u30ebSQL \u3092\u8ffd\u8de1\u3057\u3066\u307f\u308b\u3002 - \u306d\u3089\uff5eIT\u30a8\u30f3\u30b8\u30cb\u30a2\u96d1\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","url":"https://gonsuke777.hatenablog.com/entry/20150713/1436766586","categories":["Oracle","\u5b9f\u884c\u8a08\u753b","Database"],"provider_url":"https://hatena.blog","author_name":"gonsuke777","author_url":"https://blog.hatena.ne.jp/gonsuke777/","version":"1.0","blog_title":"\u306d\u3089\uff5eIT\u30a8\u30f3\u30b8\u30cb\u30a2\u96d1\u8a18","published":"2015-07-13 14:49:46","title":"Oracle \u306e ASH(Active Session History) \u304b\u3089 \u30ea\u30c6\u30e9\u30ebSQL \u3092\u8ffd\u8de1\u3057\u3066\u307f\u308b\u3002","blog_url":"https://gonsuke777.hatenablog.com/","width":"100%"}