{"id":2607,"date":"2025-06-13T18:06:54","date_gmt":"2025-06-13T10:06:54","guid":{"rendered":"https:\/\/program.snlcw.com\/?p=2607"},"modified":"2025-06-13T18:06:55","modified_gmt":"2025-06-13T10:06:55","slug":"iostat-%e7%9b%91%e6%8e%a7%e8%be%93%e5%85%a5%e8%be%93%e5%87%ba%e8%b4%9f%e8%bd%bd","status":"publish","type":"post","link":"https:\/\/program.snlcw.com\/2607.html","title":{"rendered":"iostat \u76d1\u63a7\u8f93\u5165\u8f93\u51fa\u8d1f\u8f7d"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/program.snlcw.com\/2607.html\/#iostat_%E4%BB%8B%E7%BB%8D\" >iostat \u4ecb\u7ecd<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/program.snlcw.com\/2607.html\/#IOPS\" >IOPS<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"iostat_%E4%BB%8B%E7%BB%8D\"><\/span>iostat \u4ecb\u7ecd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>iostat \u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u76d1\u63a7\u7cfb\u7edf\u7684\u8f93\u5165\/\u8f93\u51fa\u8bbe\u5907\u8d1f\u8f7d\u3002\u5b83\u53ef\u4ee5\u5e2e\u52a9\u4f60\u4e86\u89e3\u7cfb\u7edf\u4e2d\u78c1\u76d8\u7684\u4f7f\u7528\u60c5\u51b5\uff0c\u5305\u62ec\u8bfb\u5199\u901f\u5ea6\u3001\u7b49\u5f85\u65f6\u95f4\u7b49\u5173\u952e\u6307\u6807\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u6bcf\u96941\u79d2\u5237\u65b0\niostat -x 1<\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"330\" src=\"https:\/\/program.snlcw.com\/wp-content\/uploads\/2025\/06\/\u5fae\u4fe1\u56fe\u7247_20250613175931-1-1024x330.png\" alt=\"\" class=\"wp-image-2609\" srcset=\"https:\/\/program.snlcw.com\/wp-content\/uploads\/2025\/06\/\u5fae\u4fe1\u56fe\u7247_20250613175931-1-1024x330.png 1024w, https:\/\/program.snlcw.com\/wp-content\/uploads\/2025\/06\/\u5fae\u4fe1\u56fe\u7247_20250613175931-1-300x97.png 300w, https:\/\/program.snlcw.com\/wp-content\/uploads\/2025\/06\/\u5fae\u4fe1\u56fe\u7247_20250613175931-1-768x247.png 768w, https:\/\/program.snlcw.com\/wp-content\/uploads\/2025\/06\/\u5fae\u4fe1\u56fe\u7247_20250613175931-1-660x213.png 660w, https:\/\/program.snlcw.com\/wp-content\/uploads\/2025\/06\/\u5fae\u4fe1\u56fe\u7247_20250613175931-1.png 1509w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u8d34\u5230\u901a\u4e49\u5343\u95ee\u53ef\u4ee5\u5f97\u5230\u7c7b\u4f3c\u56de\u7b54\uff1a\u4ece\u8fd9\u4e9b\u6570\u636e\u53ef\u4ee5\u770b\u51fa\uff0c\u5f53\u524d\u7cfb\u7edf\u4e2d\u7684\u78c1\u76d8\u6d3b\u52a8\u4e3b\u8981\u96c6\u4e2d\u5728\u5199\u64cd\u4f5c\u4e0a\uff0c\u7279\u522b\u662f <code>sda<\/code> \u8bbe\u5907\u6bcf\u79d2\u670936\u6b21\u5199\u5165\u64cd\u4f5c\uff0c\u4e14\u5e73\u5747\u6bcf\u6b21\u5199\u64cd\u4f5c\u9700\u8981\u7b49\u5f8515.33\u6beb\u79d2\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u6574\u4f53\u7684\u8bbe\u5907\u5229\u7528\u7387\u4ecd\u7136\u8f83\u4f4e\uff08\u53ea\u67090.80%\uff09\uff0c\u8868\u660e\u5f53\u524d\u78c1\u76d8I\/O\u5e76\u672a\u6210\u4e3a\u7cfb\u7edf\u6027\u80fd\u7684\u74f6\u9888\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"IOPS\"><\/span>IOPS<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5728\u8ba8\u8bba\u78c1\u76d8\u6216\u5b58\u50a8\u6027\u80fd\u65f6\uff0c&#8221;I\/O ops \u6570\u91cf&#8221; \u901a\u5e38\u6307\u7684\u662f\u6bcf\u79d2\u53d1\u751f\u7684\u8f93\u5165\/\u8f93\u51fa\u64cd\u4f5c\u7684\u6570\u91cf\uff08IOPS, Input\/Output Operations Per Second\uff09\u3002\u8fd9\u662f\u4e00\u4e2a\u8861\u91cf\u5b58\u50a8\u8bbe\u5907\u6027\u80fd\u7684\u5173\u952e\u6307\u6807\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u6570\u636e\u5e93\u548c\u9700\u8981\u9891\u7e41\u8bfb\u5199\u64cd\u4f5c\u7684\u5e94\u7528\u7a0b\u5e8f\u6765\u8bf4\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n\n\n\n<p>\u66f4\u9ad8\u7684IOPS\uff1aSSD\u901a\u5e38\u80fd\u63d0\u4f9b\u6bd4HDD\u66f4\u9ad8\u7684IOPS\uff0c\u5c24\u5176\u662f\u5728\u968f\u673a\u8bfb\u5199\u65b9\u9762\u3002\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u53ef\u4ee5\u5728\u76f8\u540c\u65f6\u95f4\u5185\u5904\u7406\u66f4\u591a\u7684\u8bfb\u5199\u8bf7\u6c42\uff0c\u4ece\u800c\u63d0\u9ad8\u6574\u4f53\u7cfb\u7edf\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>iostat \u4ecb\u7ecd iostat \u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u76d1\u63a7\u7cfb\u7edf\u7684\u8f93\u5165\/\u8f93\u51fa\u8bbe\u5907\u8d1f\u8f7d\u3002\u5b83\u53ef\u4ee5\u5e2e\u52a9\u4f60\u4e86\u89e3\u7cfb\u7edf\u2026 <span class=\"read-more\"><a href=\"https:\/\/program.snlcw.com\/2607.html\">Read More &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[],"class_list":["post-2607","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/program.snlcw.com\/wp-json\/wp\/v2\/posts\/2607","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/program.snlcw.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/program.snlcw.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/program.snlcw.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/program.snlcw.com\/wp-json\/wp\/v2\/comments?post=2607"}],"version-history":[{"count":2,"href":"https:\/\/program.snlcw.com\/wp-json\/wp\/v2\/posts\/2607\/revisions"}],"predecessor-version":[{"id":2610,"href":"https:\/\/program.snlcw.com\/wp-json\/wp\/v2\/posts\/2607\/revisions\/2610"}],"wp:attachment":[{"href":"https:\/\/program.snlcw.com\/wp-json\/wp\/v2\/media?parent=2607"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/program.snlcw.com\/wp-json\/wp\/v2\/categories?post=2607"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/program.snlcw.com\/wp-json\/wp\/v2\/tags?post=2607"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}