{"image_url":null,"author_name":"y_uuki","blog_title":"\u3086\u3046\u3046\u304d\u30e1\u30e2","categories":["Linux"],"provider_url":"https://hatena.blog","blog_url":"https://memo.yuuk.io/","title":"Linux\u30b5\u30fc\u30d0\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30afI/O\u3067\u523a\u3055\u3063\u3066\u3044\u308b\u63a5\u7d9a\u5148\u3092\u767a\u898b\u3059\u308b","width":"100%","published":"2018-02-24 11:17:52","version":"1.0","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/y_uuki/","url":"https://memo.yuuk.io/entry/2018/02/24/111752","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmemo.yuuk.io%2Fentry%2F2018%2F02%2F24%2F111752\" title=\"Linux\u30b5\u30fc\u30d0\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30afI/O\u3067\u523a\u3055\u3063\u3066\u3044\u308b\u63a5\u7d9a\u5148\u3092\u767a\u898b\u3059\u308b - \u3086\u3046\u3046\u304d\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"Linux\u30b5\u30fc\u30d0\u306e\u969c\u5bb3\u5bfe\u5fdc\u3067\u793e\u5185\u3067\u4f1d\u7d71\u7684\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b\u30c6\u30af\u30cb\u30c3\u30af\u3002I/O\u3067\u5b8c\u5168\u306b\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u308b\u30dd\u30a4\u30f3\u30c8\u3092\u7279\u5b9a\u3059\u308b\u30ce\u30a6\u30cf\u30a6\u3002 \u554f\u984c\u5bfe\u5fdc\u306e\u305f\u3081\u3001\u602a\u3057\u3044\u30d7\u30ed\u30bb\u30b9\u3092strace\u3057\u3066\u307f\u308b read(2)\u3084write(2)\u3067\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u767a\u898b\u3059\u308b read(2)\u3084write(2)\u3001connect(2)\u306e\u5f15\u6570\u306b\u306f\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u756a\u53f7\u304c\u307f\u3048\u308b \u30d7\u30ed\u30bb\u30b9ID\u3068\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf\u756a\u53f7\u3092\u4f7f\u3063\u3066\u3001/proc//fd/ \u306e\u4e2d\u8eab\u3092\u307f\u308b\u3068\u3001\u30bd\u30b1\u30c3\u30c8I/O\u3067\u523a\u3055\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u30bd\u30b1\u30c3\u30c8\u756a\u53f7\u3092\u767a\u898b\u3067\u304d\u308b netstat \u304b\u3089\u30bd\u30b1\u30c3\u30c8\u756a\u53f7\u3067grep\u3057\u3066\u63a5\u7d9a\u5148\u3092\u767a\u898b\u3059\u308b [y_uuki@hogehoge ~]$ \u2026","type":"rich"}