{"blog_url":"https://haradago.hatenadiary.org/","image_url":null,"published":"2012-02-14 00:00:00","version":"1.0","categories":["oracle"],"provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/haradago/","height":"190","author_name":"haradago","provider_url":"https://hatena.blog","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fharadago.hatenadiary.org%2Fentry%2F20120214%2Fp1\" title=\"I/O\u306e\u5f85\u6a5f\u30a4\u30d9\u30f3\u30c8 - \u3076\u308a\u308a\u3042\u3093\u3068\u308d\u30fc\u3069(\u4eee)\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"I/O\u306e\u5f85\u6a5f\u30a4\u30d9\u30f3\u30c8","width":"100%","description":"V$SESSION_EVENT\u30d3\u30e5\u30fc\u3067\u306f\u30bb\u30c3\u30b7\u30e7\u30f3\u958b\u59cb\u5f8c\u306e\u30a4\u30d9\u30f3\u30c8\u306e\u5f85\u6a5f\u306e\u5408\u8a08\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u3002 SELECT SID, EVENT as \u5f85\u6a5f\u30a4\u30d9\u30f3\u30c8\u306e\u540d\u524d, TOTAL_WAITS as \u5f85\u6a5f\u56de\u6570, TIME_WAITED/100 as \u5f85\u3061\u6642\u9593\u8a08_\u79d2, WAIT_CLASS FROM V$SESSION_EVENT ORDER BY 1\u307e\u305f\u3001\u76f4\u8fd1\u306b\u767a\u751f\u3057\u305f\u5f85\u6a5f\u30a4\u30d9\u30f3\u30c8\u306fV$SESSION_WAIT_HISTORY\u3067\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002 SELECT * FROM V$SESSION_WAIT_HISTORY ORDER BY 1 \u2605I/O\u95a2\u4fc2\u306e\u5f85\u6a5f\u30a4\u30d9\u30f3\u30c8\u306e\u7a2e\u985e\u3068\u5bfe\u5fdc\u7b56 d\u2026","url":"https://haradago.hatenadiary.org/entry/20120214/p1","blog_title":"\u3076\u308a\u308a\u3042\u3093\u3068\u308d\u30fc\u3069(\u4eee)"}