{"id":442214,"date":"2025-11-17T14:54:27","date_gmt":"2025-11-17T06:54:27","guid":{"rendered":"https:\/\/idc.net\/help\/?p=442214"},"modified":"2025-11-17T22:46:21","modified_gmt":"2025-11-17T14:46:21","slug":"%e9%a6%99%e6%b8%af%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%a6%82%e4%bd%95%e6%8f%90%e5%8d%87i-o%e6%80%a7%e8%83%bd%ef%bc%9a%e6%b7%b1%e5%ba%a6%e8%a7%a3%e6%9e%90%e4%b8%8e%e4%bc%98%e5%8c%96%e5%ae%9e%e6%88%98","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/442214\/","title":{"rendered":"\u9999\u6e2f\u670d\u52a1\u5668\u5982\u4f55\u63d0\u5347I\/O\u6027\u80fd\uff1a\u6df1\u5ea6\u89e3\u6790\u4e0e\u4f18\u5316\u5b9e\u6218\u6307\u5357"},"content":{"rendered":"<p>\u5728\u6570\u5b57\u5316\u65f6\u4ee3\uff0c\u670d\u52a1\u5668\u7684I\/O\u6027\u80fd\u76f4\u63a5\u51b3\u5b9a\u7740\u7f51\u7ad9\u54cd\u5e94\u901f\u5ea6\u3001\u6570\u636e\u5904\u7406\u6548\u7387\u4ee5\u53ca\u7528\u6237\u4f53\u9a8c\u3002\u7279\u522b\u662f\u9488\u5bf9\u4e9a\u6d32\u5e02\u573a\uff0c<strong>\u9999\u6e2f\u670d\u52a1\u5668<\/strong>\u4ee5\u5176\u5730\u7406\u4f18\u52bf\u3001\u4f4e\u5ef6\u8fdf\u548c\u9ad8\u7a33\u5b9a\u6027\uff0c\u6210\u4e3a\u4f17\u591a\u4f01\u4e1a\u63d0\u5347I\/O\u6027\u80fd\u7684\u9996\u9009\u3002\u672c\u6587\u5c06\u4eceI\/O\u6027\u80fd\u7684\u6838\u5fc3\u6982\u5ff5\u5165\u624b\uff0c\u6df1\u5165\u5256\u6790\u5f71\u54cd\u56e0\u7d20\uff0c\u5e76\u7ed3\u5408\u5b9e\u9645\u4f18\u5316\u7b56\u7565\uff0c\u5e2e\u52a9\u60a8\u5168\u9762\u7406\u89e3<strong>\u9999\u6e2f\u670d\u52a1\u5668<\/strong>\u5982\u4f55\u5728I\/O\u8bfb\u5199\u4e2d\u8131\u9896\u800c\u51fa\u3002\u65e0\u8bba\u60a8\u662f\u642d\u5efa\u7535\u5546\u5e73\u53f0\u3001\u6e38\u620f\u670d\u52a1\u5668\u8fd8\u662f\u5927\u6570\u636e\u5e94\u7528\uff0c\u638c\u63e1\u8fd9\u4e9b\u77e5\u8bc6\u90fd\u80fd\u663e\u8457\u63d0\u5347\u7cfb\u7edf\u6548\u7387\u3002<\/p>\n<h2>I\/O\u6027\u80fd\u57fa\u7840\uff1a\u4e3a\u4ec0\u4e48\u9999\u6e2f\u670d\u52a1\u5668\u5907\u53d7\u9752\u7750<\/h2>\n<p>I\/O\u6027\u80fd\uff0c\u5373\u8f93\u5165\/\u8f93\u51fa\u6027\u80fd\uff0c\u4e3b\u8981\u6307\u670d\u52a1\u5668\u5728\u8bfb\u53d6\u786c\u76d8\u6570\u636e\u3001\u5904\u7406\u7f51\u7edc\u8bf7\u6c42\u65f6\u7684\u901f\u5ea6\u548c\u6548\u7387\u3002\u4f20\u7edf\u670d\u52a1\u5668\u5e38\u56e0\u786c\u76d8\u74f6\u9888\u3001\u7f51\u7edc\u62e5\u5835\u5bfc\u81f4I\/O\u7b49\u5f85\u65f6\u95f4\u8fc7\u957f\uff0c\u800c<strong>\u9999\u6e2f\u670d\u52a1\u5668<\/strong>\u51ed\u501f\u4f18\u8d8a\u7684\u786c\u4ef6\u914d\u7f6e\u548c\u7f51\u7edc\u7ebf\u8def\uff0c\u80fd\u6709\u6548\u7f29\u77ed\u8fd9\u4e00\u8fc7\u7a0b\u3002<\/p>\n<p>\u9996\u5148\uff0c<strong>\u9999\u6e2f\u670d\u52a1\u5668<\/strong>\u591a\u91c7\u7528NVMe 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GIA\u7ebf\u8def\u662f\u4eae\u70b9\u3002\u5b83\u91c7\u7528\u4e2d\u56fd\u7535\u4fe1\u9ad8\u7aef\u9aa8\u5e72\u7f51\uff0c\u76f4\u8fde\u5317\u4eac\u3001\u4e0a\u6d77\u8282\u70b9\uff0c\u5cf0\u503c\u5e26\u5bbd\u8fbe10Mbps\u751a\u81f3100Mbps\u3002\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u4e0a\u4f20\u5927\u6587\u4ef6\u65f6\uff0c\u7f51\u7edcI\/O\u901f\u5ea6\u53ef\u8fbe\u7ebf\u901f\u768490%\uff0c\u8fdc\u8d85\u666e\u901a\u7ebf\u8def\u768450%\u3002<\/p>\n<p>\u6b64\u5916\uff0c<strong>\u9999\u6e2f\u670d\u52a1\u5668<\/strong>\u652f\u6301\u591aIP\u914d\u7f6e\uff08\u5982\u7ad9\u7fa4\u670d\u52a1\u5668\u63d0\u4f9b253\u4e2aIP\uff09\uff0c\u9002\u7528\u4e8eSEO\u4f18\u5316\u548c\u8d1f\u8f7d\u5747\u8861\u3002\u6bcf\u4e2aIP\u72ec\u7acb\u5e26\u5bbd\uff0c\u5206\u6563I\/O\u538b\u529b\uff0c\u9002\u5408\u9ad8\u6d41\u91cf\u7f51\u7ad9\u3002<\/p>\n<h2>\u4f18\u5316\u7b56\u7565\uff1a\u5b9e\u6218\u63d0\u5347\u9999\u6e2f\u670d\u52a1\u5668I\/O\u6027\u80fd<\/h2>\n<p>\u4e86\u89e3\u57fa\u7840\u540e\uff0c\u5b9e\u6218\u4f18\u5316\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u7b56\u7565\u9002\u7528\u4e8e\u5927\u591a\u6570<strong>\u9999\u6e2f\u670d\u52a1\u5668<\/strong>\u73af\u5883\uff0c\u7ed3\u5408Linux\/Windows\u7cfb\u7edf\u64cd\u4f5c\u3002<\/p>\n<h3>\u8f6f\u4ef6\u8c03\u4f18\uff1a\u7cfb\u7edf\u4e0e\u5e94\u7528\u5c42\u4f18\u5316<\/h3>\n<p>\u9996\u5148\uff0c\u4f18\u5316\u6587\u4ef6\u7cfb\u7edf\u3002\u4f7f\u7528ext4\u6216XFS\u683c\u5f0f\uff0c\u652f\u6301\u671f\u520a\u5316\u548c\u5e76\u884cI\/O\u3002\u547d\u4ee4\u5982<code>mkfs.xfs -f \/dev\/sda<\/code>\u53ef\u5feb\u901f\u683c\u5f0f\u5316SSD\u5206\u533a\uff0c\u63d0\u5347\u5199\u5165\u6548\u738720%\u3002<\/p>\n<p>\u5176\u6b21\uff0c\u542f\u7528I\/O\u8c03\u5ea6\u5668\u3002Linux\u4e0b\uff0c\u5c06CFQ\u5207\u6362\u4e3adeadline\u6216noop\uff1a <code>echo deadline &gt; \/sys\/block\/sda\/queue\/scheduler<\/code>\u3002\u8fd9\u5728SSD\u73af\u5883\u4e0b\u51cf\u5c11\u961f\u5217\u5ef6\u8fdf\uff0cIOPS\u63d0\u534715%-30%\u3002<\/p>\n<p>\u6570\u636e\u5e93\u4f18\u5316\u662f\u91cd\u70b9\u3002\u5bf9\u4e8eMySQL\uff0c\u8c03\u6574innodb_buffer_pool_size\u81f3\u5185\u5b58\u768470%\uff0c\u7f13\u5b58\u70ed\u70b9\u8868\u3002\u4f7f\u7528<code>SHOW ENGINE INNODB STATUS<\/code>\u76d1\u63a7I\/O\u7b49\u5f85\u65f6\u95f4\u3002\u82e5\u8d85\u8fc710%\uff0c\u8003\u8651\u5206\u8868\u6216\u7d22\u5f15\u4f18\u5316\u3002<\/p>\n<p>\u5e94\u7528\u5c42\uff0c\u5f15\u5165CDN\u52a0\u901f\u9759\u6001\u8d44\u6e90\uff0c\u51cf\u5c11\u670d\u52a1\u5668I\/O\u8d1f\u8f7d\u3002Nginx\u914d\u7f6egzip\u538b\u7f29\u548c\u7f13\u5b58\uff0c\u9759\u6001\u6587\u4ef6\u76f4\u63a5\u5185\u5b58\u54cd\u5e94\u3002<\/p>\n<h3>\u76d1\u63a7\u4e0e\u6d4b\u8bd5\uff1a\u91cf\u5316I\/O\u6027\u80fd<\/h3>\n<p>\u4f7f\u7528\u5de5\u5177\u76d1\u63a7\u662f\u4f18\u5316\u524d\u63d0\u3002iostat\u547d\u4ee4\uff1a <code>iostat -xz 1<\/code> \u663e\u793a\u78c1\u76d8\u5229\u7528\u7387\u548cawait\u65f6\u95f4\u3002\u7406\u60f3\u72b6\u6001\u4e0b\uff0c%util&lt;70%\uff0cawait&lt;10ms\u3002<\/p>\n<p>fio\u5de5\u5177\u6d4b\u8bd5\u57fa\u51c6\uff1a <code>fio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --filename=test --bs=4k --iodepth=64 --size=4G --readwrite=randread<\/code>\u3002\u9ad8\u7aef<strong>\u9999\u6e2f\u670d\u52a1\u5668<\/strong>\u968f\u673a\u8bfbIOPS\u53ef\u8fbe15\u4e07\u3002<\/p>\n<p>\u7f51\u7edc\u6d4b\u8bd5\u7528iperf\uff1a\u670d\u52a1\u5668\u7aef <code>iperf -s<\/code>\uff0c\u5ba2\u6237\u7aef <code>iperf -c IP -t 30<\/code>\uff0c\u9a8c\u8bc1\u5e26\u5bbd\u548c\u5ef6\u8fdf\u3002<\/p>\n<h3>\u9ad8\u7ea7\u6280\u5de7\uff1aRAID\u4e0e\u865a\u62df\u5316<\/h3>\n<p>\u6784\u5efaRAID 10\u9635\u5217\uff0c\u7ed3\u5408 striping \u548c mirroring\uff0c\u63d0\u5347\u8bfb\u5199\u901f\u5ea62-4\u500d\u3002<strong>\u9999\u6e2f\u670d\u52a1\u5668<\/strong>\u652f\u6301\u786c\u4ef6RAID\u5361\uff0c\u5982LSI MegaRAID\uff0c\u786e\u4fdd\u96f6CPU\u5360\u7528\u3002<\/p>\n<p>\u5728\u4e91\u5316\u573a\u666f\uff0cDocker\u5bb9\u5668\u9694\u79bbI\/O\uff0c\u907f\u514d\u8fdb\u7a0b\u5e72\u6270\u3002Kubernetes\u8c03\u5ea6\u5668\u8fdb\u4e00\u6b65\u4f18\u5316\u8d44\u6e90\u5206\u914d\u3002<\/p>\n<h2>\u9002\u7528\u573a\u666f\uff1a\u9999\u6e2f\u670d\u52a1\u5668I\/O\u4f18\u52bf\u4f53\u73b0<\/h2>\n<p><strong>\u9999\u6e2f\u670d\u52a1\u5668<\/strong>\u7279\u522b\u9002\u5408\u9ad8I\/O\u9700\u6c42\u573a\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u7535\u5546\u5e73\u53f0<\/strong>\uff1a\u79d2\u6740\u6d3b\u52a8\u4e0b\uff0c\u8ba2\u5355\u6570\u636e\u5e93\u9ad8\u5e76\u53d1\u5199\u5165\uff0cCN2\u7ebf\u8def\u786e\u4fdd\u5b9e\u65f6\u540c\u6b65\u3002<\/li>\n<li><strong>\u6e38\u620f\u670d\u52a1\u5668<\/strong>\uff1a\u73a9\u5bb6\u6570\u636e\u5b9e\u65f6\u8bfb\u5199\uff0cSSD\u4f4e\u5ef6\u8fdf\u51cf\u5c11\u5361\u987f\u3002<\/li>\n<li><strong>\u5927\u6570\u636e\u5206\u6790<\/strong>\uff1aHadoop\u96c6\u7fa4\u5206\u5e03\u5f0fI\/O\uff0cBGP\u7ebf\u8def\u52a0\u901f\u8282\u70b9\u901a\u4fe1\u3002<\/li>\n<li><strong>\u89c6\u9891\u6d41\u5a92\u4f53<\/strong>\uff1a\u5927\u6587\u4ef6\u4e0a\u4f20\u4e0b\u8f7d\uff0c100Mbps\u5e26\u5bbd\u7ebf\u901f\u4f20\u8f93\u3002<\/li>\n<\/ul>\n<p>\u514d\u5907\u6848\u7279\u6027\u8ba9\u8de8\u5883\u4e1a\u52a1\u5feb\u901f\u90e8\u7f72\uff0c\u9690\u79c1\u4fdd\u62a4\u907f\u514d\u6570\u636e\u6cc4\u9732\u98ce\u9669\u3002<\/p>\n<h2>\u540e\u6d6a\u4e91\u9999\u6e2f\u670d\u52a1\u5668\uff1aI\/O\u6027\u80fd\u5b9e\u6218\u6848\u4f8b<\/h2>\n<p>\u4f5c\u4e3a\u5168\u7403IDC\u63d0\u4f9b\u5546\uff0c\u540e\u6d6a\u4e91\u7684<strong>\u9999\u6e2f\u670d\u52a1\u5668<\/strong>\u5728I\/O\u4f18\u5316\u4e0a\u8868\u73b0\u7a81\u51fa\u3002\u8bbf\u95ee<a href=\"https:\/\/idc.net\/hk\">\u540e\u6d6a\u4e91\u9999\u6e2f\u72ec\u7acb\u670d\u52a1\u5668<\/a>\uff0c\u60a8\u53ef\u9009\u62e9\u591a\u79cd\u5957\u9910\uff1a<\/p>\n<p>\u4f8b\u5982\uff0c\u9999\u6e2fCN2 GIA\u670d\u52a1\u5668\uff1a\u81f3\u5f3aE5-2660 2.2GHz\u300116GB\u5185\u5b58\u3001240GB SSD\u300110Mbps CN2 GIA\u5e26\u5bbd\uff0c\u4ec5950\u5143\/\u6708\u3002\u5b9e\u6d4bIOPS\u8d858\u4e07\uff0c\u9002\u5408\u4e2d\u578b\u7f51\u7ad9\u3002<\/p>\n<p>\u9999\u6e2f\u767e\u5146\u670d\u52a1\u5668\uff1a\u9177\u777fi3-4150\u30018GB\u5185\u5b58\u30011TB HDD\u3001100Mbps\uff0820M CN2\uff09\u5e26\u5bbd\uff0c1350\u5143\/\u6708\u3002\u7f51\u7edcI\/O\u5cf0\u503c\u8fbe95Mbps\uff0c\u9002\u7528\u4e8e\u89c6\u9891\u7ad9\u3002<\/p>\n<p>\u7ad9\u7fa4\u670d\u52a1\u5668\u63d0\u4f9b253\u4e2aIP\uff0c15Mbps\u5e26\u5bbd\uff0c1299\u5143\u8d77\uff0cSEO\u591a\u7ad9I\/O\u72ec\u7acb\u9ad8\u6548\u3002<\/p>\n<p>\u6240\u6709\u5957\u9910\u652f\u630112-24\u5c0f\u65f6\u8bd5\u7528\uff0c\u514d\u8d39\u91cd\u88c5\u7cfb\u7edf\uff0c7x24\u6280\u672f\u652f\u6301\u3002\u6d4b\u8bd5IP\uff1aCN2-GIA 154.39.251.254\u3002\u7ed3\u5408\u4e0a\u8ff0\u4f18\u5316\uff0c\u540e\u6d6a\u4e91<strong>\u9999\u6e2f\u670d\u52a1\u5668<\/strong>\u53ef\u5c06I\/O\u6027\u80fd\u63d0\u5347\u81f3\u884c\u4e1a\u9886\u5148\u6c34\u5e73\u3002<\/p>\n<p>\u603b\u4e4b\uff0c<strong>\u9999\u6e2f\u670d\u52a1\u5668<\/strong>\u901a\u8fc7\u786c\u4ef6\u5347\u7ea7\u3001\u7f51\u7edc\u4f18\u5316\u548c\u8f6f\u4ef6\u8c03\u4f18\uff0c\u591a\u7ef4\u5ea6\u63d0\u5347I\/O\u6027\u80fd\u3002\u9009\u62e9\u53ef\u9760\u63d0\u4f9b\u5546\u5982\u540e\u6d6a\u4e91\uff0c\u7ed3\u5408\u672c\u6587\u7b56\u7565\uff0c\u60a8\u5c06\u6536\u83b7\u9ad8\u6548\u7a33\u5b9a\u7684\u670d\u52a1\u5668\u4f53\u9a8c\u3002\u7acb\u5373\u63a2\u7d22<a href=\"https:\/\/idc.net\/hk\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\uff0c\u5f00\u542f\u9ad8\u6027\u80fd\u4e4b\u65c5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u6570\u5b57\u5316\u65f6\u4ee3\uff0c\u670d\u52a1\u5668\u7684I\/O\u6027\u80fd\u76f4\u63a5\u51b3\u5b9a\u7740\u7f51\u7ad9\u54cd\u5e94\u901f\u5ea6\u3001\u6570\u636e\u5904\u7406\u6548\u7387\u4ee5\u53ca\u7528\u6237\u4f53\u9a8c\u3002\u7279\u522b\u662f\u9488\u5bf9\u4e9a\u6d32\u5e02\u573a\uff0c\u9999\u6e2f\u670d\u52a1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[202646],"tags":[],"class_list":["post-442214","post","type-post","status-publish","format-standard","hentry","category-hkserver"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/442214","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=442214"}],"version-history":[{"count":3,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/442214\/revisions"}],"predecessor-version":[{"id":442240,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/442214\/revisions\/442240"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=442214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=442214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=442214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}