{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fryuichi1208.hateblo.jp%2Fentry%2F2021%2F11%2F06%2F092622\" title=\"\u3010MySQL\u3011\u975e\u540c\u671fIO\u95a2\u9023\u306e\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u306e\u3067\u898b\u3066\u307f\u305f - \u5730\u65b9\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u5b66\u7fd2\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u3010MySQL\u3011\u975e\u540c\u671fIO\u95a2\u9023\u306e\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u306e\u3067\u898b\u3066\u307f\u305f","provider_url":"https://hatena.blog","blog_title":"\u5730\u65b9\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u5b66\u7fd2\u65e5\u8a18","width":"100%","blog_url":"https://ryuichi1208.hateblo.jp/","published":"2021-11-06 09:26:22","type":"rich","categories":[],"author_url":"https://blog.hatena.ne.jp/ryuichi1208/","provider_name":"Hatena Blog","url":"https://ryuichi1208.hateblo.jp/entry/2021/11/06/092622","version":"1.0","image_url":null,"description":"\u975e\u540c\u671fI/O\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u6570\u306f/proc/sys/fs/aio-nr\u3067\u78ba\u8a8d\u3067\u304d/proc/sys/fs/aio-max-nr\u306b\u9054\u3059\u308b\u3068\u3001io_setup \u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306e\u623b\u308a\u5024\u306b EAGAIN \u304c\u8fd4\u3055\u308c\u308b\u3002 $ cat /proc/sys/fs/aio-nr 0 $ cat /proc/sys/fs/aio-max-nr 65536 MySQL\u3067\u904a\u3093\u3067\u3044\u305f\u3089\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u306b\u906d\u9047\u3057\u3066\u30d7\u30ed\u30bb\u30b9\u304c\u505c\u6b62\u3057\u307e\u3044\u307e\u3057\u305f\u3002\u30b0\u30b0\u308b\u3068\u308f\u304b\u308b\u306e\u3067\u3059\u304c\u4e0a\u8a18\u3067\u6319\u3052\u305fmax\u306e\u6570\u5024\u306b\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u3081\u306e\u6a21\u69d8\u3067\u3059\u3002 EAGAIN: The specified maxevents exceeds the user's li\u2026","author_name":"ryuichi1208","height":"190"}