<script type="application/ld+json">{"@context":"http://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://www.simcentric.com/sc/"},{"@type":"ListItem","position":2,"name":"如何优化服务器磁盘I/O性能？","item":"https://www.simcentric.com/sc/hong-kong-dedicated-server-sc/how-to-optimize-server-disk-i-o-performance/"}]}</script> {"id":14170,"date":"2024-08-02T14:39:20","date_gmt":"2024-08-02T06:39:20","guid":{"rendered":"https:\/\/www.simcentric.com\/uncategorized-sc\/how-to-optimize-server-disk-i-o-performance\/"},"modified":"2024-08-02T15:02:09","modified_gmt":"2024-08-02T07:02:09","slug":"how-to-optimize-server-disk-i-o-performance","status":"publish","type":"post","link":"https:\/\/www.simcentric.com\/sc\/hong-kong-dedicated-server-sc\/how-to-optimize-server-disk-i-o-performance\/","title":{"rendered":"\u5982\u4f55\u4f18\u5316\u670d\u52a1\u5668\u78c1\u76d8I\/O\u6027\u80fd\uff1f"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<p>\u5728<a href=\"https:\/\/www.simcentric.com\/sc\/products\/dedicated-server-hk\/\" target=\"_blank\" rel=\"noopener\">\u4e13\u7528\u670d\u52a1\u5668<\/a>\u7ba1\u7406\u7684\u4e16\u754c\u4e2d\uff0c<strong>\u78c1\u76d8I\/O\u6027\u80fd<\/strong>\u5728\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u7684\u6700\u4f73\u54cd\u5e94\u6027\u548c\u7528\u6237\u6ee1\u610f\u5ea6\u65b9\u9762\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u65e0\u8bba\u60a8\u662f\u5728\u5185\u90e8\u8fd0\u884c\u670d\u52a1\u5668\u3001\u4f7f\u7528\u670d\u52a1\u5668\u6258\u7ba1\u670d\u52a1\u8fd8\u662f\u4f9d\u8d56\u670d\u52a1\u5668\u79df\u7528\u63d0\u4f9b\u5546\uff0c\u4e86\u89e3\u5982\u4f55\u8bc6\u522b\u3001\u6392\u9664\u6545\u969c\u548c\u89e3\u51b3\u78c1\u76d8I\/O\u74f6\u9888\u90fd\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u5728\u8fd9\u672c\u5168\u9762\u7684\u6307\u5357\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8\u8fd9\u4e9b\u95ee\u9898\u7684\u5e38\u89c1\u539f\u56e0\uff0c\u5e76\u63d0\u4f9b\u5b9e\u7528\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u4ee5\u5e2e\u52a9\u60a8\u4f18\u5316\u670d\u52a1\u5668\u7684\u5b58\u50a8\u5b50\u7cfb\u7edf\u3002<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>\u4e86\u89e3\u670d\u52a1\u5668\u78c1\u76d8I\/O<\/strong><\/h2>\n<p>\u5728\u6df1\u5165\u63a2\u8ba8\u6545\u969c\u6392\u9664\u6280\u672f\u4e4b\u524d\uff0c\u8ba9\u6211\u4eec\u901a\u8fc7\u8ba8\u8bba\u670d\u52a1\u5668\u4e0a\u4e0b\u6587\u4e2d\u7684I\/O\u6db5\u76d6\u7684\u5185\u5bb9\u6765\u5efa\u7acb\u575a\u5b9e\u7684\u57fa\u7840\u3002I\/O\u662f\u6307\u670d\u52a1\u5668\u5b58\u50a8\u5b50\u7cfb\u7edf\u6267\u884c\u7684\u8f93\u5165\/\u8f93\u51fa\u64cd\u4f5c\uff0c\u5176\u4e2d\u6d89\u53ca\u4ece\u7269\u7406\u78c1\u76d8\u6216\u865a\u62df\u78c1\u76d8\u6620\u50cf\u8bfb\u53d6\u6570\u636e\u548c\u5411\u5176\u5199\u5165\u6570\u636e\u3002\u8fd9\u4e9bI\/O\u64cd\u4f5c\u7684\u6548\u7387\u548c\u901f\u5ea6\u76f4\u63a5\u5f71\u54cd\u670d\u52a1\u5668\u53ca\u5176\u6258\u7ba1\u5e94\u7528\u7a0b\u5e8f\u7684\u6574\u4f53\u6027\u80fd\u3002\u7f13\u6162\u6216\u53d7\u5230\u74f6\u9888\u9650\u5236\u7684\u78c1\u76d8I\/O\u53ef\u80fd\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u54cd\u5e94\u65f6\u95f4\u7f13\u6162\u3001\u541e\u5410\u91cf\u964d\u4f4e\u4ee5\u53ca\u6b21\u4f18\u7684\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>\u78c1\u76d8I\/O\u95ee\u9898\u7684\u5e38\u89c1\u539f\u56e0<\/strong><\/h2>\n<p>\u4e3a\u4e86\u6709\u6548\u5730\u6392\u9664\u6545\u969c\uff0c\u4e86\u89e3\u53ef\u80fd\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u7684\u5e38\u89c1\u56e0\u7d20\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5178\u578b\u7684\u7f6a\u9b41\u7978\u9996\uff1a<\/p>\n<div class=\"ul-section\">\n<div class=\"ul-title\">1. \u78c1\u76d8\u4e89\u7528\uff1a<\/div>\n<ul>\n<li>\u5f53\u591a\u4e2a\u8fdb\u7a0b\u6216\u865a\u62df\u673a (VM) \u540c\u65f6\u7ade\u4e89\u8bbf\u95ee\u540c\u4e00\u7269\u7406\u78c1\u76d8\u65f6\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4I\/O\u9971\u548c\u548c\u4e25\u91cd\u7684\u901f\u5ea6\u51cf\u6162\u3002\u5f53\u591a\u4e2aI\/O\u5bc6\u96c6\u578b\u5e94\u7528\u7a0b\u5e8f\u6216\u865a\u62df\u673a\u6258\u7ba1\u5728\u5355\u4e2a\u78c1\u76d8\u4e0a\u65f6\uff0c\u6b64\u95ee\u9898\u5c24\u5176\u666e\u904d\u3002<\/li>\n<\/ul>\n<\/div>\n<div class=\"ul-section\">\n<div class=\"ul-title\">2. RAID\u914d\u7f6e\u4e0d\u5f53\uff1a<\/div>\n<ul>\n<li>\u5b9e\u65bd\u4e0d\u9002\u5f53\u7684RAID\u7ea7\u522b\u6216\u5728\u964d\u7ea7\u7684RAID\u9635\u5217\u4e0a\u8fd0\u884c\u4f1a\u4e25\u91cd\u5f71\u54cdI\/O\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u4e0e\u5176\u4ed6RAID\u914d\u7f6e\u76f8\u6bd4\uff0cRAID 5\u53ef\u80fd\u63d0\u4f9b\u66f4\u597d\u7684\u5bb9\u9519\u80fd\u529b\uff0c\u4f46\u53ef\u80fd\u4f1a\u5e26\u6765\u5199\u5165\u6027\u80fd\u635f\u5931\u3002<\/li>\n<\/ul>\n<\/div>\n<div class=\"ul-section\">\n<div class=\"ul-title\">3. \u78c1\u76d8\u788e\u7247\uff1a<\/div>\n<ul>\n<li>\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u968f\u7740\u6587\u4ef6\u7684\u521b\u5efa\u3001\u4fee\u6539\u548c\u5220\u9664\uff0c\u5b83\u4eec\u53ef\u80fd\u4f1a\u5728\u78c1\u76d8\u4e0a\u53d8\u5f97\u652f\u79bb\u7834\u788e\uff0c\u5bfc\u81f4\u9700\u8981\u66f4\u591a\u7684I\/O\u64cd\u4f5c\u624d\u80fd\u8bbf\u95ee\u5206\u6563\u5728\u975e\u8fde\u7eed\u5757\u4e0a\u7684\u6570\u636e\u3002\u788e\u7247\u53ef\u80fd\u4f1a\u663e\u8457\u964d\u4f4e\u78c1\u76d8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<\/div>\n<div class=\"ul-section\">\n<div class=\"ul-title\">4. <a href=\"https:\/\/www.simcentric.com\/sc\/hong-kong-dedicated-server\/server-configuration-choices-what-are-the-differences-between-hdd-ssd-sata-and-sas\/\" target=\"_blank\" rel=\"noopener\">\u786c\u4ef6<\/a>\u95ee\u9898\uff1a<\/div>\n<ul>\n<li>\u78c1\u76d8\u6545\u969c\u3001\u7535\u7f06\u677e\u52a8\u6216\u6545\u969c\u3001\u78c1\u76d8\u63a7\u5236\u5668\u6545\u969c\u4ee5\u53ca\u5176\u4ed6\u4e0e\u786c\u4ef6\u76f8\u5173\u7684\u95ee\u9898\u53ef\u80fd\u8868\u73b0\u4e3aI\/O\u95ee\u9898\u3002\u8fd9\u4e9b\u786c\u4ef6\u6545\u969c\u53ef\u80fd\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u3001\u6570\u636e\u635f\u574f\u6216\u5b8c\u5168\u65e0\u6cd5\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n<\/div>\n<div class=\"ul-section\">\n<div class=\"ul-title\">5. \u7cfb\u7edf\u8d44\u6e90\u4e0d\u8db3\uff1a<\/div>\n<ul>\n<li>\u5185\u5b58\u4e0d\u8db3\u53ef\u80fd\u5bfc\u81f4\u5206\u9875\u6d3b\u52a8\u589e\u52a0\uff0c\u6570\u636e\u9891\u7e41\u5728\u5185\u5b58\u548c\u78c1\u76d8\u4e4b\u95f4\u4ea4\u6362\uff0c\u7ed9I\/O\u64cd\u4f5c\u5e26\u6765\u989d\u5916\u7684\u538b\u529b\u3002\u540c\u6837\uff0c\u6027\u80fd\u4e0d\u8db3\u6216\u8d1f\u8f7d\u8fc7\u91cd\u7684CPU\u53ef\u80fd\u4f1a\u9650\u5236I\/O\u5904\u7406\uff0c\u5bfc\u81f4\u6027\u80fd\u4e0d\u4f73\u3002<\/li>\n<\/ul>\n<\/div>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>\u78c1\u76d8I\/O\u95ee\u9898\u7684\u6545\u969c\u6392\u9664<\/strong><\/h2>\n<p>\u6709\u4e86\u5bf9\u5e38\u89c1\u539f\u56e0\u7684\u7406\u89e3\uff0c\u8ba9\u6211\u4eec\u63a2\u7d22\u6709\u6548\u7684\u6545\u969c\u6392\u9664\u6280\u672f\u6765\u8bc6\u522b\u548c\u8bca\u65adI\/O\u95ee\u9898\uff1a<\/p>\n<div class=\"ul-section\">\n<div class=\"ul-title\">1. \u76d1\u63a7I\/O\u6307\u6807\uff1a<\/div>\n<ul>\n<li>\u5229\u7528\u7279\u5b9a\u4e8e\u64cd\u4f5c\u7cfb\u7edf\u7684\u6027\u80fd\u76d1\u63a7\u5de5\u5177\uff0c\u4f8b\u5982Linux\u4e0a\u7684<code>iostat<\/code>\u548c<code>iotop<\/code>\uff0c\u6216Windows\u6027\u80fd\u76d1\u89c6\u5668\uff0c\u4ee5\u6536\u96c6\u6709\u5173\u78c1\u76d8I\/O\u6d3b\u52a8\u7684\u5b9e\u65f6\u6307\u6807\u3002\u8fd9\u4e9b\u5de5\u5177\u63d0\u4f9b\u4e86\u6709\u5173I\/O\u7b49\u5f85\u65f6\u95f4\u3001\u541e\u5410\u91cf\u548c\u961f\u5217\u6df1\u5ea6\u7684\u89c1\u89e3\uff0c\u5e2e\u52a9\u60a8\u8bc6\u522b\u74f6\u9888\u548c\u5f02\u5e38\u884c\u4e3a\u3002<\/li>\n<\/ul>\n<pre><code># \u793a\u4f8b\uff1a\u5728Linux\u4e0a\u4f7f\u7528iostat\u76d1\u63a7\u78c1\u76d8I\/O\r\n$ iostat -xm 1<\/code><\/pre>\n<\/div>\n<div class=\"ul-section\">\n<div class=\"ul-title\">2. \u68c0\u67e5\u78c1\u76d8\u9519\u8bef\u548c\u6545\u969c\uff1a<\/div>\n<ul>\n<li>\u68c0\u67e5\u7cfb\u7edf\u65e5\u5fd7\u548cS.M.A.R.T.\uff08\u81ea\u6211\u76d1\u63a7\u3001\u5206\u6790\u548c\u62a5\u544a\u6280\u672f\uff09\u72b6\u6001\uff0c\u4ee5\u68c0\u6d4b\u4efb\u4f55\u9519\u8bef\u6216\u5373\u5c06\u53d1\u751f\u7684\u6545\u969c\u3002\u4e3b\u52a8\u89e3\u51b3\u786c\u4ef6\u95ee\u9898\u53ef\u4ee5\u9632\u6b62\u6027\u80fd\u8fdb\u4e00\u6b65\u4e0b\u964d\u548c\u6570\u636e\u4e22\u5931\u3002<\/li>\n<\/ul>\n<\/div>\n<div class=\"ul-section\">\n<div class=\"ul-title\">3. \u9a8c\u8bc1\u8fde\u63a5\u548c\u5e03\u7ebf\uff1a<\/div>\n<ul>\n<li>\u786e\u4fdd\u6240\u6709\u5b58\u50a8\u8bbe\u5907\u90fd\u6b63\u786e\u8fde\u63a5\uff0c\u7535\u7f06\u7262\u56fa\u8fde\u63a5\u3002\u677e\u52a8\u6216\u6545\u969c\u7684\u8fde\u63a5\u53ef\u80fd\u5bfc\u81f4\u95f4\u6b47\u6027I\/O\u95ee\u9898\u6216\u5b8c\u5168\u4e0d\u53ef\u7528\u3002<\/li>\n<\/ul>\n<\/div>\n<div class=\"ul-section\">\n<div class=\"ul-title\">4. \u5206\u6790\u78c1\u76d8\u6d3b\u52a8\uff1a<\/div>\n<ul>\n<li>\u4f7f\u7528<code>lsof<\/code>\u6216<code>fuser<\/code>\u7b49\u5de5\u5177\u6765\u8bc6\u522b\u4ea7\u751f\u8fc7\u591aI\/O\u7684\u8fdb\u7a0b\u6216\u865a\u62df\u673a\u3002\u901a\u8fc7\u67e5\u660e\u7f6a\u9b41\u7978\u9996\uff0c\u60a8\u53ef\u4ee5\u8fdb\u4e00\u6b65\u8c03\u67e5\u5e76\u91c7\u53d6\u9002\u5f53\u7684\u63aa\u65bd\uff0c\u4f8b\u5982\u4f18\u5316\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801\u3001\u8c03\u6574\u865a\u62df\u673a\u8d44\u6e90\u5206\u914d\u6216\u91cd\u65b0\u5206\u914d\u5de5\u4f5c\u8d1f\u8f7d\u3002<\/li>\n<\/ul>\n<\/div>\n<div class=\"ul-section\">\n<div class=\"ul-title\">5. \u68c0\u67e5\u5b58\u50a8\u914d\u7f6e\uff1a<\/div>\n<ul>\n<li>\u8bc4\u4f30\u60a8\u5f53\u524d\u7684\u5b58\u50a8\u914d\u7f6e\uff0c\u5305\u62ecRAID\u8bbe\u7f6e\u3001LUN\uff08\u903b\u8f91\u5355\u5143\u53f7\uff09\u914d\u7f6e\u548c\u78c1\u76d8\u5206\u533a\u3002\u786e\u4fdd\u914d\u7f6e\u7b26\u5408\u60a8\u7684\u6027\u80fd\u8981\u6c42\u548c\u6700\u4f73\u5b9e\u8df5\u3002\u4e0d\u5f53\u7684\u914d\u7f6e\u53ef\u80fd\u5bfc\u81f4I\/O\u6027\u80fd\u4e0d\u4f73\u3002<\/li>\n<\/ul>\n<\/div>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>\u4f18\u5316\u670d\u52a1\u5668\u78c1\u76d8I\/O\u6027\u80fd<\/strong><\/h2>\n<p>\u4e00\u65e6\u60a8\u901a\u8fc7\u5f7b\u5e95\u7684\u6545\u969c\u6392\u9664\u786e\u5b9a\u4e86\u78c1\u76d8I\/O\u95ee\u9898\u7684\u6839\u672c\u539f\u56e0\uff0c\u5c31\u53ef\u4ee5\u5b9e\u65bd\u4f18\u5316\u6280\u672f\u6765\u63d0\u9ad8\u6027\u80fd\uff1a<\/p>\n<div class=\"ul-section\">\n<div class=\"ul-title\">1. \u5e73\u8861I\/O\u5de5\u4f5c\u8d1f\u8f7d\uff1a<\/div>\n<ul>\n<li>\u5728\u4e0d\u540c\u7684\u7269\u7406\u78c1\u76d8\u6216\u5b58\u50a8\u8bbe\u5907\u4e0a\u5206\u5e03I\/O\u5bc6\u96c6\u578b\u5e94\u7528\u7a0b\u5e8f\u548c\u865a\u62df\u673a\uff0c\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u4e89\u7528\u3002\u901a\u8fc7\u5206\u6563I\/O\u8d1f\u8f7d\uff0c\u60a8\u53ef\u4ee5\u9632\u6b62\u4efb\u4f55\u5355\u4e2a\u78c1\u76d8\u6210\u4e3a\u74f6\u9888\uff0c\u5e76\u786e\u4fdd\u66f4\u5747\u5300\u5730\u5229\u7528\u5b58\u50a8\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<\/div>\n<div class=\"ul-section\">\n<div class=\"ul-title\">2. \u4f18\u5316\u5b58\u50a8\u914d\u7f6e\uff1a<\/div>\n<ul>\n<li>\u6839\u636e\u60a8\u7684\u6027\u80fd\u548c\u5197\u4f59\u8981\u6c42\u5b9e\u65bd\u9002\u5f53\u7684RAID\u7ea7\u522b\u3002\u4f8b\u5982\uff0cRAID 10\u63d0\u4f9b\u51fa\u8272\u7684\u8bfb\u5199\u6027\u80fd\uff0c\u800cRAID 5\u4f18\u5148\u8003\u8651\u5bb9\u91cf\u548c\u5bb9\u9519\u80fd\u529b\u3002\u6b64\u5916\uff0c\u786e\u4fdd\u60a8\u5df2\u914d\u7f6e\u8db3\u591f\u7684\u7f13\u5b58\u548c\u63a7\u5236\u5668\u6765\u5904\u7406\u5de5\u4f5c\u8d1f\u8f7d\u7684I\/O\u9700\u6c42\u3002<\/li>\n<\/ul>\n<\/div>\n<div class=\"ul-section\">\n<div class=\"ul-title\">3. \u5b9a\u671f\u6574\u7406\u78c1\u76d8\uff1a<\/div>\n<ul>\n<li>\u91c7\u7528\u78c1\u76d8\u788e\u7247\u6574\u7406\u5de5\u5177\u6765\u4f18\u5316\u6587\u4ef6\u653e\u7f6e\uff0c\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u788e\u7247\u5f00\u9500\u3002\u901a\u8fc7\u5c06\u6587\u4ef6\u5408\u5e76\u5230\u8fde\u7eed\u7684\u5757\u4e2d\uff0c\u60a8\u53ef\u4ee5\u51cf\u5c11\u8bbf\u95ee\u6570\u636e\u6240\u9700\u7684I\/O\u64cd\u4f5c\u6570\uff0c\u4ece\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<\/div>\n<div class=\"ul-section\">\n<div class=\"ul-title\">4. \u89e3\u51b3\u786c\u4ef6\u95ee\u9898\uff1a<\/div>\n<ul>\n<li>\u53ca\u65f6\u66f4\u6362\u6545\u969c\u78c1\u76d8\u3001\u7262\u56fa\u8fde\u63a5\u7535\u7f06\u3001\u66f4\u65b0\u8bbe\u5907\u9a71\u52a8\u7a0b\u5e8f\u548c\u56fa\u4ef6\uff0c\u5e76\u89e3\u51b3\u4efb\u4f55\u6545\u969c\u786c\u4ef6\u7ec4\u4ef6\u3002\u4e3b\u52a8\u7684\u786c\u4ef6\u7ef4\u62a4\u6709\u52a9\u4e8e\u9632\u6b62\u6027\u80fd\u4e0b\u964d\uff0c\u5e76\u786e\u4fdd\u5b58\u50a8\u5b50\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n<\/ul>\n<\/div>\n<div class=\"ul-section\">\n<div class=\"ul-title\">5. \u5206\u914d\u8db3\u591f\u7684\u8d44\u6e90\uff1a<\/div>\n<ul>\n<li>\u786e\u4fdd\u60a8\u7684\u670d\u52a1\u5668\u6709\u8db3\u591f\u7684\u5185\u5b58\u6765\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u8fc7\u5ea6\u5206\u9875\u5230\u78c1\u76d8\u3002\u8003\u8651\u5347\u7ea7\u5230\u66f4\u5feb\u7684CPU\uff0c\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u5904\u7406I\/O\u3002\u6b64\u5916\uff0c\u8bc4\u4f30\u8fc7\u6e21\u5230\u9ad8\u6027\u80fd\u5b58\u50a8\u6280\u672f\u7684\u597d\u5904\uff0c\u4f8b\u5982<a href=\"https:\/\/www.simcentric.com\/sc\/hong-kong-dedicated-server\/hdd-or-ssd-whats-the-difference\/\" target=\"_blank\" rel=\"noopener\">\u56fa\u6001\u786c\u76d8 (SSD)<\/a>\u6216<a href=\"https:\/\/www.simcentric.com\/sc\/hong-kong-dedicated-server\/which-is-better-sata-or-nvme\/\" target=\"_blank\" rel=\"noopener\">NVMe\uff08\u975e\u6613\u5931\u6027\u5185\u5b58\u5feb\u8f66\u9053\uff09\u9a71\u52a8\u5668<\/a>\uff0c\u4ee5\u63d0\u9ad8I\/O\u541e\u5410\u91cf\u5e76\u51cf\u5c11\u5ef6\u8fdf\u3002<\/li>\n<\/ul>\n<\/div>\n<div class=\"ul-section\">\n<div class=\"ul-title\">6. \u8c03\u6574I\/O\u8c03\u5ea6\u5668\uff1a<\/div>\n<ul>\n<li>\u6839\u636e\u60a8\u7279\u5b9a\u7684\u5de5\u4f5c\u8d1f\u8f7d\u7279\u5f81\u9009\u62e9\u9002\u5f53\u7684I\/O\u8c03\u5ea6\u7a0b\u5e8f\u3002\u4f8b\u5982\uff0c<code>noop<\/code>\u6216<code>deadline<\/code>\u8c03\u5ea6\u7a0b\u5e8f\u975e\u5e38\u9002\u5408SSD\uff0c\u800c<code>cfq<\/code>\uff08\u5b8c\u5168\u516c\u5e73\u6392\u961f\uff09\u8c03\u5ea6\u7a0b\u5e8f\u901a\u5e38\u63a8\u8350\u7528\u4e8eLinux\u7cfb\u7edf\u4e0a\u7684\u4f20\u7edfHDD\u3002<\/li>\n<\/ul>\n<pre><code># \u793a\u4f8b\uff1a\u5728Linux\u4e0a\u66f4\u6539I\/O\u8c03\u5ea6\u7a0b\u5e8f  \r\n$ echo noop &gt; \/sys\/block\/sda\/queue\/scheduler<\/code><\/pre>\n<\/div>\n<div class=\"ul-section\">\n<div class=\"ul-title\">7. \u5b9e\u65bd\u7f13\u5b58\u673a\u5236\uff1a<\/div>\n<ul>\n<li>\u5229\u7528\u7f13\u5b58\u6280\u672f\u52a0\u901f\u5bf9\u9891\u7e41\u4f7f\u7528\u7684\u6570\u636e\u7684\u8bbf\u95ee\u3002\u5229\u7528RAM\u7f13\u5b58\u5c06\u7ecf\u5e38\u8bbf\u95ee\u7684\u6570\u636e\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c\u51cf\u5c11\u5bf9\u78c1\u76d8\u7684\u9700\u6c42\u3002\u8003\u8651\u5728RAM\u548cHDD\u4e4b\u95f4\u5b9e\u65bdSSD\u7f13\u5b58\u4f5c\u4e3a\u4e2d\u95f4\u5c42\uff0c\u4ee5\u8fdb\u4e00\u6b65\u63d0\u9ad8\u8bfb\u53d6\u6027\u80fd\u3002<\/li>\n<\/ul>\n<\/div>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text]<\/p>\n<h2><strong>\u7ed3\u8bba<\/strong><\/h2>\n<p>\u4f18\u5316\u670d\u52a1\u5668<strong>\u78c1\u76d8I\/O\u6027\u80fd<\/strong>\u662f\u786e\u4fdd\u670d\u52a1\u5668\u57fa\u7840\u8bbe\u65bd\u6574\u4f53\u6548\u7387\u3001\u54cd\u5e94\u80fd\u529b\u548c\u53ef\u9760\u6027\u7684\u5173\u952e\u65b9\u9762\u3002\u901a\u8fc7\u4e86\u89e3\u95ee\u9898\u7684\u5e38\u89c1\u539f\u56e0\u5e76\u5e94\u7528\u6709\u6548\u7684\u6545\u969c\u6392\u9664\u548c\u4f18\u5316\u6280\u672f\uff0c\u60a8\u53ef\u4ee5\u4e3b\u52a8\u8bc6\u522b\u548c\u89e3\u51b3\u74f6\u9888\uff0c\u4ece\u800c\u63d0\u9ad8\u5e94\u7528\u7a0b\u5e8f\u6027\u80fd\u548c\u7528\u6237\u6ee1\u610f\u5ea6\u3002<\/p>\n<p>\u8bf7\u8bb0\u4f4f\u5b9a\u671f\u76d1\u63a7\u78c1\u76d8I\/O\u6307\u6807\uff0c\u6cbb\u7597\u6839\u672c\u539f\u56e0\u800c\u4e0d\u4ec5\u4ec5\u662f\u75c7\u72b6\uff0c\u5e76\u7ef4\u62a4\u914d\u7f6e\u826f\u597d\u4e14\u7ef4\u62a4\u826f\u597d\u7684\u5b58\u50a8\u5b50\u7cfb\u7edf\u3002\u901a\u8fc7\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\u5e76\u5728\u6027\u80fd\u4f18\u5316\u5de5\u4f5c\u4e2d\u4fdd\u6301\u4e3b\u52a8\uff0c\u60a8\u53ef\u4ee5\u91ca\u653e\u670d\u52a1\u5668\u529f\u80fd\u7684\u5168\u90e8\u6f5c\u529b\uff0c\u5e76\u4e3a\u7528\u6237\u63d0\u4f9b\u65e0\u7f1d\u4e14\u9ad8\u6027\u80fd\u7684\u8ba1\u7b97\u4f53\u9a8c\u3002<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text] \u5728\u4e13\u7528\u670d\u52a1\u5668\u7ba1\u7406\u7684\u4e16\u754c\u4e2d\uff0c\u78c1\u76d8I\/O\u6027\u80fd\u5728\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u7684\u6700\u4f73\u54cd\u5e94\u6027\u548c\u7528\u6237\u6ee1\u610f\u5ea6\u65b9\u9762\u8d77\u7740\u81f3\u5173\u91cd\u8981\u7684\u4f5c\u7528\u3002\u65e0\u8bba\u60a8\u662f\u5728\u5185\u90e8\u8fd0\u884c\u670d\u52a1\u5668\u3001\u4f7f\u7528\u670d\u52a1\u5668\u6258\u7ba1\u670d\u52a1\u8fd8\u662f\u4f9d\u8d56\u670d\u52a1\u5668\u79df\u7528\u63d0\u4f9b\u5546\uff0c\u4e86\u89e3\u5982\u4f55\u8bc6\u522b\u3001\u6392\u9664\u6545\u969c\u548c\u89e3\u51b3\u78c1\u76d8I\/O\u74f6\u9888\u90fd\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u5728\u8fd9\u672c\u5168\u9762\u7684\u6307\u5357\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8\u8fd9\u4e9b\u95ee\u9898\u7684\u5e38\u89c1\u539f\u56e0\uff0c\u5e76\u63d0\u4f9b\u5b9e\u7528\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u4ee5\u5e2e\u52a9\u60a8\u4f18\u5316\u670d\u52a1\u5668\u7684\u5b58\u50a8\u5b50\u7cfb\u7edf\u3002 [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text] \u4e86\u89e3\u670d\u52a1\u5668\u78c1\u76d8I\/O \u5728\u6df1\u5165\u63a2\u8ba8\u6545\u969c\u6392\u9664\u6280\u672f\u4e4b\u524d\uff0c\u8ba9\u6211\u4eec\u901a\u8fc7\u8ba8\u8bba\u670d\u52a1\u5668\u4e0a\u4e0b\u6587\u4e2d\u7684I\/O\u6db5\u76d6\u7684\u5185\u5bb9\u6765\u5efa\u7acb\u575a\u5b9e\u7684\u57fa\u7840\u3002I\/O\u662f\u6307\u670d\u52a1\u5668\u5b58\u50a8\u5b50\u7cfb\u7edf\u6267\u884c\u7684\u8f93\u5165\/\u8f93\u51fa\u64cd\u4f5c\uff0c\u5176\u4e2d\u6d89\u53ca\u4ece\u7269\u7406\u78c1\u76d8\u6216\u865a\u62df\u78c1\u76d8\u6620\u50cf\u8bfb\u53d6\u6570\u636e\u548c\u5411\u5176\u5199\u5165\u6570\u636e\u3002\u8fd9\u4e9bI\/O\u64cd\u4f5c\u7684\u6548\u7387\u548c\u901f\u5ea6\u76f4\u63a5\u5f71\u54cd\u670d\u52a1\u5668\u53ca\u5176\u6258\u7ba1\u5e94\u7528\u7a0b\u5e8f\u7684\u6574\u4f53\u6027\u80fd\u3002\u7f13\u6162\u6216\u53d7\u5230\u74f6\u9888\u9650\u5236\u7684\u78c1\u76d8I\/O\u53ef\u80fd\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u54cd\u5e94\u65f6\u95f4\u7f13\u6162\u3001\u541e\u5410\u91cf\u964d\u4f4e\u4ee5\u53ca\u6b21\u4f18\u7684\u7528\u6237\u4f53\u9a8c\u3002 [\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=&#8221;blog-detail-section&#8221;][vc_column][vc_column_text] \u78c1\u76d8I\/O\u95ee\u9898\u7684\u5e38\u89c1\u539f\u56e0 \u4e3a\u4e86\u6709\u6548\u5730\u6392\u9664\u6545\u969c\uff0c\u4e86\u89e3\u53ef\u80fd\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\u7684\u5e38\u89c1\u56e0\u7d20\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5178\u578b\u7684\u7f6a\u9b41\u7978\u9996\uff1a 1. \u78c1\u76d8\u4e89\u7528\uff1a \u5f53\u591a\u4e2a\u8fdb\u7a0b\u6216\u865a\u62df\u673a (VM) \u540c\u65f6\u7ade\u4e89\u8bbf\u95ee\u540c\u4e00\u7269\u7406\u78c1\u76d8\u65f6\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4I\/O\u9971\u548c\u548c\u4e25\u91cd\u7684\u901f\u5ea6\u51cf\u6162\u3002\u5f53\u591a\u4e2aI\/O\u5bc6\u96c6\u578b\u5e94\u7528\u7a0b\u5e8f\u6216\u865a\u62df\u673a\u6258\u7ba1\u5728\u5355\u4e2a\u78c1\u76d8\u4e0a\u65f6\uff0c\u6b64\u95ee\u9898\u5c24\u5176\u666e\u904d\u3002 2. RAID\u914d\u7f6e\u4e0d\u5f53\uff1a \u5b9e\u65bd\u4e0d\u9002\u5f53\u7684RAID\u7ea7\u522b\u6216\u5728\u964d\u7ea7\u7684RAID\u9635\u5217\u4e0a\u8fd0\u884c\u4f1a\u4e25\u91cd\u5f71\u54cdI\/O\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u4e0e\u5176\u4ed6RAID\u914d\u7f6e\u76f8\u6bd4\uff0cRAID 5\u53ef\u80fd\u63d0\u4f9b\u66f4\u597d\u7684\u5bb9\u9519\u80fd\u529b\uff0c\u4f46\u53ef\u80fd\u4f1a\u5e26\u6765\u5199\u5165\u6027\u80fd\u635f\u5931\u3002 3. \u78c1\u76d8\u788e\u7247\uff1a \u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u968f\u7740\u6587\u4ef6\u7684\u521b\u5efa\u3001\u4fee\u6539\u548c\u5220\u9664\uff0c\u5b83\u4eec\u53ef\u80fd\u4f1a\u5728\u78c1\u76d8\u4e0a\u53d8\u5f97\u652f\u79bb\u7834\u788e\uff0c\u5bfc\u81f4\u9700\u8981\u66f4\u591a\u7684I\/O\u64cd\u4f5c\u624d\u80fd\u8bbf\u95ee\u5206\u6563\u5728\u975e\u8fde\u7eed\u5757\u4e0a\u7684\u6570\u636e\u3002\u788e\u7247\u53ef\u80fd\u4f1a\u663e\u8457\u964d\u4f4e\u78c1\u76d8\u6027\u80fd\u3002 4. \u786c\u4ef6\u95ee\u9898\uff1a 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