{"id":122697,"date":"2024-03-24T07:48:18","date_gmt":"2024-03-23T22:48:18","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/linux%e3%81%a7io%e6%80%a7%e8%83%bd%e3%82%92%e3%83%86%e3%82%b9%e3%83%88%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2024-04-04T20:48:57","modified_gmt":"2024-04-04T11:48:57","slug":"linux%e3%81%a7io%e6%80%a7%e8%83%bd%e3%82%92%e3%83%86%e3%82%b9%e3%83%88%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/linux%e3%81%a7io%e6%80%a7%e8%83%bd%e3%82%92%e3%83%86%e3%82%b9%e3%83%88%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"Linux\u3067IO\u6027\u80fd\u3092\u30c6\u30b9\u30c8\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>Linux\u74b0\u5883\u3067IO\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u30c6\u30b9\u30c8\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u30c4\u30fc\u30eb\u3068\u65b9\u6cd5\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>dd\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\uff1add\u30b3\u30de\u30f3\u30c9\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u30b3\u30d4\u30fc\u3001\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u5909\u63db\u306a\u3069\u306b\u7528\u3044\u3089\u308c\u308b\u30b3\u30de\u30f3\u30c9\u3067\u3059\u3002\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001\u3055\u307e\u3056\u307e\u306aIO\u6027\u80fd\u306e\u30c6\u30b9\u30c8\u3092\u5b9f\u884c\u53ef\u80fd\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3059\u308b\u3068\u9806\u6b21\u66f8\u304d\u8fbc\u307f\u6027\u80fd\u306e\u30c6\u30b9\u30c8\u304c\u884c\u3048\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>dd if=\/dev\/zero of=testfile bs=1M count=1000 conv=fdatasync\r\n<\/code><\/pre>\n<p>\u30ab\u30ec\u30f3\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba1GB \u306e\u300ctestfile\u300d\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u7570\u306a\u308b\u30b5\u30a4\u30ba\u306e\u30d5\u30a1\u30a4\u30eb\u306e\u30c6\u30b9\u30c8\u3092\u884c\u3046\u306b\u306f\u3001bs\u30d1\u30e9\u30e1\u30fc\u30bf(\u30d6\u30ed\u30c3\u30af\u30b5\u30a4\u30ba)\u3068count\u30d1\u30e9\u30e1\u30fc\u30bf(\u30d6\u30ed\u30c3\u30af\u6570)\u3092\u8abf\u6574\u3059\u308b\u3053\u3068\u3067\u884c\u3048\u307e\u3059\u3002<\/p>\n<ol>\n<li>fio\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002fio\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30bf\u30a4\u30d7\u306eIO\u8ca0\u8377\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3067\u304d\u308b\u5f37\u529b\u306aIO\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c6\u30b9\u30c8\u30c4\u30fc\u30eb\u3067\u3059\u3002\u30e9\u30f3\u30c0\u30e0\u306a\u8aad\u307f\u66f8\u304d\u3001\u9023\u7d9a\u7684\u306a\u8aad\u307f\u66f8\u304d\u3001\u6df7\u5408\u8aad\u307f\u66f8\u304d\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u30b7\u30ca\u30ea\u30aa\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u30c6\u30b9\u30c8\u3067\u304d\u307e\u3059\u3002fio\u69cb\u6210\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u3066\u30c6\u30b9\u30c8\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u8ca0\u8377\u30bf\u30a4\u30d7\u3092\u6307\u5b9a\u3057\u3001\u6b21\u306bfio\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u30c6\u30b9\u30c8\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u30b5\u30f3\u30d7\u30eb\u69cb\u6210\u30d5\u30a1\u30a4\u30eb\u3092\u793a\u3057\u307e\u3059:<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>[global]\r\nbs=4k\r\niodepth=64\r\nrw=randwrite\r\nsize=1G\r\ndirectory=\/path\/to\/test\/directory\r\n[job]\r\nfilename=testfile\r\n<\/code><\/pre>\n<p>\u6307\u5b9a\u3055\u308c\u305f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b1GB\u306e\u30e9\u30f3\u30c0\u30e0\u66f8\u304d\u8fbc\u307f\u3092\u884c\u3046\u30c6\u30b9\u30c8<\/p>\n<ol>\n<li>iostat\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3059\u308b\uff1aiostat\u30b3\u30de\u30f3\u30c9\u306f\u30b7\u30b9\u30c6\u30e0\u306eI\/O\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u76e3\u8996\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u30c7\u30a3\u30b9\u30af\u306eI\/O\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u7d71\u8a08\u60c5\u5831\u3092\u8868\u793a\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>iostat -x 1\r\n<\/code><\/pre>\n<p>\u30c7\u30a3\u30b9\u30af\u306eIO\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30921\u79d2\u3054\u3068\u306b\u8868\u793a\u3001\u8aad\u307f\/\u66f8\u304d\u306e\u901f\u5ea6\u3001IO\u30ad\u30e5\u30fc\u306e\u6df1\u3055\u306a\u3069\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>iotop\u30b3\u30de\u30f3\u30c9\u3092\u5229\u7528\u3057\u307e\u3057\u3087\u3046\u3002iotop\u306ftop\u30b3\u30de\u30f3\u30c9\u306e\u8981\u9818\u3067\u30b7\u30b9\u30c6\u30e0\u306e\u5404\u30d7\u30ed\u30bb\u30b9\u306eIO\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u76e3\u8996\u3067\u304d\u307e\u3059\u3002\u30b3\u30de\u30f3\u30c9\u306f\u4ee5\u4e0b\u3068\u306a\u308a\u307e\u3059\uff1a<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code>sudo iotop\r\n<\/code><\/pre>\n<p>\u73fe\u5728\u306e\u3001\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30d7\u30ed\u30bb\u30b9\u3068\u305d\u306eI\/O\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u8868\u793a\u3057\u307e\u3059\u3002\u5404\u30d7\u30ed\u30bb\u30b9\u306e\u8aad\u307f\u66f8\u304d\u901f\u5ea6\u3001I\/O\u30ad\u30e5\u30fc\u306e\u9577\u3055\u306a\u3069\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<p>\u4e0a\u8a18\u30c4\u30fc\u30eb\u304a\u3088\u3073\u624b\u6cd5\u3092\u7528\u3044\u3066\u3001Linux\u30de\u30b7\u30f3\u4e0a\u306eIO\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u30c6\u30b9\u30c8\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30c7\u30a3\u30b9\u30afIO\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u7406\u89e3\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u74b0\u5883\u3067IO\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u30c6\u30b9\u30c8\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u30c4\u30fc\u30eb\u3068\u65b9\u6cd5\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002 dd\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3066\uff1add\u30b3\u30de\u30f3\u30c9\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u30b3\u30d4\u30fc\u3001\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u5909\u63db\u306a\u3069\u306b\u7528\u3044\u3089\u308c\u308b\u30b3\u30de\u30f3\u30c9\u3067\u3059\u3002\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068 [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-122697","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Linux\u3067IO\u6027\u80fd\u3092\u30c6\u30b9\u30c8\u3059\u308b\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" 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