{"categories":["Linux"],"author_name":"takaochan","provider_name":"Hatena Blog","description":"CPU\u30ea\u30bd\u30fc\u30b9\u306e\u5272\u5f53\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3068\u306f\u5225\u306b\u3001\u30c7\u30d0\u30a4\u30b9I/O\u3082\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u304c\u3042\u308b(I/O\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9) kernel2.6\u304c\u30b5\u30dd\u30fc\u30c8\u3059\u308bI/O Scheduler Name \u5185\u5bb9 Complete Fair Queueing(CFQ) Process\u3054\u3068\u306bQueue\u3092\u5272\u308a\u5f53\u3066\u3001\u5404Queue\u306b\u5747\u4e00\u306e\u5e2f\u57df\u5e45\u3092\u3001I/O\u8981\u6c42\u306b\u512a\u5148\u5ea6\u3092\u8a2d\u5b9a\u3059\u308b\u3002\u512a\u5148\u5ea6\u306b\u57fa\u3065\u304dI/O\u304c\u51e6\u7406\u3055\u308c\u308b deadline \u7279\u5b9a\u306e\u6642\u9593\u3092\u7d4c\u904e\u3057\u3066\u3082\u5b9f\u884c\u3055\u308c\u3066\u3044\u306a\u3044I/O\u51e6\u7406\u3092\u512a\u5148\u7684\u306b\u51e6\u7406\u3059\u308b(\u9577\u6642\u9593I/O\u51e6\u7406\u304c\u5b9f\u65bd\u3055\u308c\u306a\u3044\u3053\u3068\u3092\u9632\u6b62\u3059\u308b)\u3002\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u306eI/O\u51e6\u7406\u7b49\u306b\u5411\u304f anticipatory deadline\u30b9\u30b1\u30b8\u30e5\u30fc\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftakaochan.hatenablog.com%2Fentry%2F20071118%2F1195316602\" title=\"kernel:I/O Schedule - Simple is Beautiful\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","version":"1.0","published":"2007-11-18 01:23:22","blog_title":"Simple is Beautiful","title":"kernel:I/O Schedule","height":"190","image_url":null,"url":"https://takaochan.hatenablog.com/entry/20071118/1195316602","blog_url":"https://takaochan.hatenablog.com/","provider_url":"https://hatena.blog","type":"rich","author_url":"https://blog.hatena.ne.jp/takaochan/"}