{"author_url":"https://blog.hatena.ne.jp/yohei-a/","categories":["Linux","JPOUG"],"version":"1.0","description":"JPOUG Advent Calendar 2013 \u306e19\u65e5\u76ee\u3067\u3059\u3002 18\u65e5\u76ee\u306f yoshikaw \u3055\u3093\u306eOracle Database\u3092\u6271\u3046\u4e0a\u3067\u77e5\u3063\u3066\u304a\u304d\u305f\u3044\u5909\u657010\u9078 - Keep It Simple, Stupid\u3067\u3057\u305f\u3002Linux \u3067\u5b9f\u969b\u306b\u767a\u884c\u3055\u308c\u305f I/O \u306e\u30b5\u30a4\u30ba\u3092\u8abf\u3079\u308b\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002 debugfs \u3092\u30de\u30a6\u30f3\u30c8\u3059\u308b [root@yazekats-linux ~]# mount -t debugfs debugfs /sys/kernel/debug blktrace \u3067 I/O \u3092\u30c8\u30ec\u30fc\u30b9\u3057\u3066 blkparse \u3067\u89e3\u6790\u3059\u308b [root@yazekats-linux ~]# \u2026","image_url":null,"provider_url":"https://hatena.blog","width":"100%","blog_url":"https://yohei-a.hatenablog.jp/","published":"2013-12-19 18:46:51","author_name":"yohei-a","blog_title":"ablog","type":"rich","url":"https://yohei-a.hatenablog.jp/entry/20131219/1387446411","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohei-a.hatenablog.jp%2Fentry%2F20131219%2F1387446411\" title=\"Linux \u3067 I/O\u30b5\u30a4\u30ba\u3092\u8abf\u3079\u308b\u65b9\u6cd5 - ablog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","provider_name":"Hatena Blog","title":"Linux \u3067 I/O\u30b5\u30a4\u30ba\u3092\u8abf\u3079\u308b\u65b9\u6cd5"}