{"id":7799,"date":"2024-12-10T15:14:54","date_gmt":"2024-12-10T07:14:54","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/7799.html"},"modified":"2024-12-10T15:14:54","modified_gmt":"2024-12-10T07:14:54","slug":"centos7%e6%9c%8d%e5%8a%a1%e5%99%a8io%e4%bd%bf%e7%94%a8%e7%8e%87%e9%ab%98%e6%98%af%e4%bb%80%e4%b9%88%e5%8e%9f%e5%9b%a0","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/7799.html","title":{"rendered":"centos7\u670d\u52a1\u5668io\u4f7f\u7528\u7387\u9ad8\u662f\u4ec0\u4e48\u539f\u56e0"},"content":{"rendered":"<p style=\"text-align: center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2024\/12\/20241210071452-6757ea6cecdae.png\" alt=\"centos7\u670d\u52a1\u5668io\u4f7f\u7528\u7387\u9ad8\u662f\u4ec0\u4e48\u539f\u56e0\" width=\"667\" height=\"301\" border=\"0\" vspace=\"0\" style=\"width: 667px;height: 301px\" \/><\/p>\n<p style=\"text-indent: 2em;text-align: left\">\u9ad8I\/O\u4f7f\u7528\u7387\uff08\u9ad8\u78c1\u76d8IO\uff09\u8868\u660e\u670d\u52a1\u5668\u4e0a\u7684\u5b58\u50a8\u7cfb\u7edf\u6b63\u5fd9\u4e8e\u5904\u7406\u8bfb\u5199\u8bf7\u6c42\u3002\u8fd9\u5f80\u5f80\u8868\u660e\u6570\u636e\u8bbf\u95ee\u6a21\u5f0f\u6d3b\u8dc3\uff0c\u6216\u8005\u662f\u670d\u52a1\u5668\u6b63\u5728\u5904\u7406\u5927\u91cf\u7684\u6570\u636e\u4f20\u8f93\u3002\u9ad8IO\u4f7f\u7528\u7387\u53ef\u80fd\u7531\u591a\u79cd\u539f\u56e0\u5f15\u8d77\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u60c5\u51b5\uff1a<\/p>\n<p style=\"text-indent: 2em;text-align: left\">1. \u9ad8\u5e76\u53d1\u8bfb\u5199\u64cd\u4f5c\uff1a<span style=\"text-indent: 2em\">\u5982\u679c\u591a\u4e2a\u8fdb\u7a0b\u6216\u7528\u6237\u540c\u65f6\u8bfb\u5199\u5927\u91cf\u6570\u636e\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u78c1\u76d8I\/O\u4f7f\u7528\u7387\u5347\u9ad8\u3002<\/span><\/p>\n<p style=\"text-indent: 2em;text-align: left\">2. \u6570\u636e\u5e93\u6d3b\u52a8\uff1a<span style=\"text-indent: 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\u7cfb\u7edf\u65e5\u5fd7\u548c\u8bca\u65ad\u5de5\u5177\uff1a<span style=\"text-indent: 2em\">\u7cfb\u7edf\u65e5\u5fd7\u6587\u4ef6\u4e0d\u65ad\u589e\u957f\u6216\u8bca\u65ad\u5de5\u5177\u6b63\u5728\u8fd0\u884c\uff0c\u4e5f\u53ef\u80fd\u5bfc\u81f4\u5927\u91cf\u7684I\/O\u3002<\/span><\/p>\n<p style=\"text-indent: 2em;text-align: left\">6. \u8d44\u6e90\u4e0d\u8db3\uff1a<span style=\"text-indent: 2em\">\u7269\u7406\u5b58\u50a8\u7a7a\u95f4\u4e0d\u8db3\u6216\u5185\u5b58\u4e0d\u8db3\u65f6\uff0c\u7cfb\u7edf\u53ef\u80fd\u4f1a\u9891\u7e41\u4f7f\u7528\u4ea4\u6362\u7a7a\u95f4\uff08swap\uff09\uff0c\u8fd9\u4f1a\u4ea7\u751f\u5927\u91cf\u7684\u78c1\u76d8I\/O\u3002<\/span><\/p>\n<p style=\"text-indent: 2em;text-align: left\">7. \u7f51\u7edc\u6587\u4ef6\u7cfb\u7edf\uff08NFS\uff09\u6216\u5b58\u50a8\u533a\u57df\u7f51\u7edc\uff08SAN\uff09\u95ee\u9898\uff1a<span style=\"text-indent: 2em\">\u5982\u679c\u670d\u52a1\u5668\u4f9d\u8d56\u4e8e\u7f51\u7edc\u5b58\u50a8\u7cfb\u7edf\uff0c\u7f51\u7edc\u5ef6\u8fdf\u6216\u5e26\u5bbd\u9650\u5236\u53ef\u80fd\u5bfc\u81f4I\/O\u74f6\u9888\u3002<\/span><\/p>\n<p style=\"text-indent: 2em;text-align: left\">8. \u6076\u610f\u8f6f\u4ef6\u6216\u75c5\u6bd2\u6d3b\u52a8\uff1a<span style=\"text-indent: 2em\">\u67d0\u4e9b\u6076\u610f\u8f6f\u4ef6\u53ef\u80fd\u8bd5\u56fe\u8986\u76d6\u6216\u52a0\u5bc6\u5b58\u50a8\u8bbe\u5907\u4e0a\u7684\u6570\u636e\uff0c\u9020\u6210\u5927\u91cf\u968f\u673a\u7684\u78c1\u76d8\u8bfb\u5199\u6d3b\u52a8\u3002<\/span><\/p>\n<p style=\"text-indent: 2em;text-align: left\">9. \u5907\u4efd\u4efb\u52a1\uff1a<span style=\"text-indent: 2em\">\u5982\u679c\u670d\u52a1\u5668\u6b63\u5728\u6267\u884c\u5907\u4efd\uff0c\u5c24\u5176\u662f\u5168\u5907\u4efd\uff0c\u5b83\u53ef\u80fd\u4f1a\u5bf9\u5b58\u50a8\u7cfb\u7edf\u9020\u6210\u5de8\u5927\u7684I\/O\u8d1f\u8f7d\u3002<\/span><\/p>\n<p style=\"text-indent: 2em;text-align: left\">10. \u5e94\u7528\u7a0b\u5e8f\u8bbe\u8ba1\u95ee\u9898\uff1a<span style=\"text-indent: 2em\">\u67d0\u4e9b\u5e94\u7528\u7a0b\u5e8f\u53ef\u80fd\u5b58\u5728\u8bbe\u8ba1\u7f3a\u9677\uff0c\u5bfc\u81f4\u4e0d\u5fc5\u8981\u7684\u78c1\u76d8I\/O\u3002<\/span><\/p>\n<p style=\"text-indent: 2em;text-align: left\">\u5982\u4f55\u5904\u7406\u9ad8I\/O\u4f7f\u7528\u7387\u5462\uff1f\u9996\u5148\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\u8bca\u65ad\uff1a<\/p>\n<p style=\"text-indent: 2em;text-align: left\">&#8211; \u4f7f\u7528 `iotop` \u6307\u4ee4\u6765\u76d1\u63a7\u5b9e\u65f6\u7684I\/O\u4f7f\u7528\u60c5\u51b5\u3002<\/p>\n<p style=\"text-indent: 2em;text-align: left\">&#8211; \u4f7f\u7528 `iostat` \u547d\u4ee4\u6765\u83b7\u53d6\u5173\u4e8e\u78c1\u76d8I\/O\u6d3b\u52a8\u7684\u8be6\u7ec6\u62a5\u544a\u3002<\/p>\n<p style=\"text-indent: 2em;text-align: left\">&#8211; \u5229\u7528 `df` \u548c `du` 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left\">\u6839\u636e\u89c2\u6d4b\u5230\u7684\u60c5\u51b5\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n<p style=\"text-indent: 2em;text-align: left\">&#8211; \u5bf9\u4e8e\u6570\u636e\u5e93\u7cfb\u7edf\uff0c\u4f18\u5316\u67e5\u8be2\u548c\u7d22\u5f15\uff0c\u8003\u8651\u5b9e\u65bd\u8bfb\u5199\u5206\u79bb\u3002<\/p>\n<p style=\"text-indent: 2em;text-align: left\">&#8211; \u5982\u679c\u662f\u56e0\u8d44\u6e90\u4e0d\u8db3\u5bfc\u81f4\u7684\uff0c\u8003\u8651\u589e\u52a0\u7269\u7406\u5185\u5b58\u3001\u5b58\u50a8\u8bbe\u5907\u6216\u4f18\u5316\u5b58\u50a8\u7b56\u7565\u3002<\/p>\n<p style=\"text-indent: 2em;text-align: left\">&#8211; \u5982\u679c\u53d1\u73b0\u6709\u6076\u610f\u8f6f\u4ef6\u6d3b\u52a8\uff0c\u4f7f\u7528\u6740\u6bd2\u8f6f\u4ef6\u8fdb\u884c\u626b\u63cf\u5e76\u6e05\u9664\u5a01\u80c1\u3002<\/p>\n<p style=\"text-indent: 2em;text-align: left\">&#8211; 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left\">\u8bb0\u4f4f\uff0c\u5206\u6790\u548c\u89e3\u51b3\u9ad8I\/O\u4f7f\u7528\u7387\u95ee\u9898\u9700\u8981\u9488\u5bf9\u6027\u5730\u8bc6\u522b\u95ee\u9898\u7684\u6839\u6e90\uff0c\u5e76\u91c7\u53d6\u9002\u5f53\u7684\u63aa\u65bd\u8fdb\u884c\u4f18\u5316\u548c\u8c03\u6574\u3002\u5982\u679c\u60a8\u9700\u8981\u8fdb\u4e00\u6b65\u7684\u5e2e\u52a9\uff0c\u53ef\u80fd\u9700\u8981\u54a8\u8be2IT\u4e13\u5bb6\u6216\u7cfb\u7edf\u7ba1\u7406\u5458\u3002<\/p>\n<\/p><\/div>\n<div 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