{"id":442269,"date":"2025-12-03T16:37:04","date_gmt":"2025-12-03T08:37:04","guid":{"rendered":"https:\/\/idc.net\/help\/?p=442269"},"modified":"2025-11-27T16:37:42","modified_gmt":"2025-11-27T08:37:42","slug":"%e9%a6%99%e6%b8%af%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%a1%ac%e7%9b%98%e7%b1%bb%e5%9e%8b%e5%af%b9%e6%80%a7%e8%83%bd%e5%bd%b1%e5%93%8d%e5%85%a8%e8%a7%a3%e6%9e%90%ef%bc%9assd-vs-hdd-vs-%e6%b7%b7%e5%90%88","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/442269\/","title":{"rendered":"\u9999\u6e2f\u670d\u52a1\u5668\u786c\u76d8\u7c7b\u578b\u5bf9\u6027\u80fd\u5f71\u54cd\u5168\u89e3\u6790\uff1aSSD vs HDD vs \u6df7\u5408\u76d8\uff0c2025\u5e74\u600e\u4e48\u9009\u624d\u4e0d\u4e8f\uff1f"},"content":{"rendered":"<p>\u5728\u9009\u62e9<strong>\u9999\u6e2f\u670d\u52a1\u5668<\/strong>\u65f6\uff0c\u8bb8\u591a\u7528\u6237\u4f1a\u628a\u6ce8\u610f\u529b\u653e\u5728CPU\u3001\u5185\u5b58\u3001\u5e26\u5bbd\u4e0a\uff0c\u5374\u5e38\u5e38\u5ffd\u7565\u4e00\u4e2a\u5bf9\u5b9e\u9645\u4f53\u9a8c\u5f71\u54cd\u5de8\u5927\u7684\u56e0\u7d20\u2014\u2014\u786c\u76d8\u7c7b\u578b\u3002\u4e00\u5757\u597d\u7684\u786c\u76d8\uff0c\u80fd\u8ba9\u4f60\u7684\u7f51\u7ad9\u79d2\u5f00\u3001\u6570\u636e\u5e93\u67e5\u8be2\u98de\u5feb\uff1b\u4e00\u5757\u5dee\u7684\u786c\u76d8\uff0c\u54ea\u6015CPU\u518d\u5f3a\uff0c\u4e5f\u4f1a\u53d8\u6210\u201c\u5361\u987f\u738b\u201d\u3002\u672c\u6587\u5c06\u6df1\u5ea6\u79d1\u666e\u9999\u6e2f\u670d\u52a1\u5668\u4e3b\u6d41\u786c\u76d8\u7c7b\u578b\uff08HDD\u3001SSD\u3001\u6df7\u5408\u76d8\uff09\u7684\u6027\u80fd\u5dee\u5f02\u3001\u771f\u5b9e\u6d4b\u8bd5\u6570\u636e\uff0c\u4ee5\u53ca\u4e0d\u540c\u4e1a\u52a1\u573a\u666f\u4e0b\u7684\u6700\u4f73\u9009\u62e9\uff0c\u5e2e\u52a9\u4f60\u57282025\u5e74\u79df\u7528\u9999\u6e2f\u670d\u52a1\u5668\u65f6\u4e0d\u8e29\u5751\u3002<\/p>\n<h2>\u4e00\u3001\u9999\u6e2f\u670d\u52a1\u5668\u5e38\u89c1\u7684\u4e09\u79cd\u786c\u76d8\u7c7b\u578b\u6df1\u5ea6\u5bf9\u6bd4<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\u786c\u76d8\u7c7b\u578b<\/th>\n<th>\u987a\u5e8f\u8bfb\u5199\u901f\u5ea6<\/th>\n<th>\u968f\u673aIOPS<\/th>\n<th>\u5ef6\u8fdf<\/th>\n<th>\u5bff\u547d<\/th>\n<th>\u4ef7\u683c<\/th>\n<th>\u5178\u578b\u5bb9\u91cf<\/th>\n<\/tr>\n<tr>\n<td>\u4f20\u7edfHDD\uff087200\u8f6c\uff09<\/td>\n<td>120-180MB\/s<\/td>\n<td>80-150 IOPS<\/td>\n<td>8-12ms<\/td>\n<td>\u673a\u68b0\u78e8\u635f<\/td>\n<td>\u6700\u4f4e<\/td>\n<td>1TB-8TB<\/td>\n<\/tr>\n<tr>\n<td>\u4f01\u4e1a\u7ea7SATA SSD<\/td>\n<td>500-550MB\/s<\/td>\n<td>3\u4e07-9\u4e07 IOPS<\/td>\n<td>0.1-0.2ms<\/td>\n<td>\u6709\u9650\u5199\u5165<\/td>\n<td>\u4e2d\u7b49<\/td>\n<td>240GB-2TB<\/td>\n<\/tr>\n<tr>\n<td>\u4f01\u4e1a\u7ea7NVMe SSD\uff08\u90e8\u5206\u9ad8\u7aef\uff09<\/td>\n<td>3000-7000MB\/s<\/td>\n<td>50\u4e07+IOPS<\/td>\n<td>0.02ms<\/td>\n<td>\u66f4\u9ad8\u8010\u4e45<\/td>\n<td>\u6700\u9ad8<\/td>\n<td>480GB-7.68TB<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5b9e\u9645\u6d4b\u8bd5\u7ed3\u8bba\uff1a\u540c\u6837\u914d\u7f6e\u7684\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u4ec5\u66f4\u6362\u786c\u76d8\uff0c\u7f51\u7ad9\u6253\u5f00\u901f\u5ea6\u6700\u9ad8\u53ef\u63d0\u53478\u500d\uff0cMySQL\u67e5\u8be2\u901f\u5ea6\u63d0\u534710-30\u500d\uff0cWordPress\u540e\u53f0\u4fdd\u5b58\u6587\u7ae0\u4ece8\u79d2\u964d\u52300.8\u79d2\u3002<\/p>\n<h2>\u4e8c\u3001\u4e0d\u540c\u786c\u76d8\u5728\u9999\u6e2f\u670d\u52a1\u5668\u4e0a\u7684\u771f\u5b9e\u8868\u73b0<\/h2>\n<h3>1. \u7eafHDD\u786c\u76d8\uff081TB\/2TB\u673a\u68b0\u76d8\uff09<\/h3>\n<ul>\n<li>\u4f18\u52bf\uff1a\u5bb9\u91cf\u5927\u3001\u4ef7\u683c\u4f4e\u3001\u9002\u5408\u51b7\u6570\u636e\u5b58\u50a8<\/li>\n<li>\u52a3\u52bf\uff1a\u968f\u673a\u8bfb\u5199\u6781\u6162\uff0c\u9ad8\u5e76\u53d1\u4e0b\u5bb9\u6613\u51fa\u73b0100%\u78c1\u76d8IO\u7b49\u5f85<\/li>\n<li>\u9002\u7528\u573a\u666f\uff1a\u7eaf\u6587\u4ef6\u4e0b\u8f7d\u7ad9\u3001\u89c6\u9891\u5b58\u50a8\u3001\u5907\u4efd\u670d\u52a1\u5668<\/li>\n<li>\u771f\u5b9e\u6848\u4f8b\uff1a\u67d0\u4e0b\u8f7d\u7ad9\u4f7f\u75281TB HDD\uff0c\u65e5IP 5\u4e07\u4ecd\u6d41\u7545\uff0c\u4f46\u5f00\u542fMySQL\u540eCPU\u5360\u7528\u98d9\u5347\u81f3100%<\/li>\n<\/ul>\n<h3>2. SSD+HDD\u6df7\u5408\u76d8\uff08240GB SSD + 1TB HDD\uff09<\/h3>\n<p>\u8fd9\u662f\u76ee\u524d\u9999\u6e2f\u670d\u52a1\u5668\u6700\u5e38\u89c1\u7684\u201c\u9ec4\u91d1\u7ec4\u5408\u201d\uff1a<\/p>\n<ul>\n<li>\u7cfb\u7edf+\u6570\u636e\u5e93+\u7f51\u7ad9\u7a0b\u5e8f\u5b89\u88c5\u5728240GB SSD<\/li>\n<li>\u56fe\u7247\u3001\u89c6\u9891\u3001\u65e5\u5fd7\u3001\u4e0a\u4f20\u6587\u4ef6\u653e\u57281TB HDD<\/li>\n<li>\u4f18\u52bf\uff1a\u517c\u987e\u901f\u5ea6\u4e0e\u5bb9\u91cf\uff0c\u6027\u4ef7\u6bd4\u6700\u9ad8<\/li>\n<li>\u6027\u80fd\u8868\u73b0\uff1a\u7f51\u7ad9\u6253\u5f00\u901f\u5ea6\u63d0\u53475-8\u500d\uff0c\u6570\u636e\u5e93\u67e5\u8be2\u79d2\u56de\u5e94<\/li>\n<li>\u9002\u7528\u573a\u666f\uff1a\u5916\u8d38\u72ec\u7acb\u7ad9\u3001\u5546\u57ce\u3001\u8bba\u575b\u3001\u4f01\u4e1a\u5b98\u7f51\uff0890%\u7528\u6237\u7684\u6700\u4f73\u9009\u62e9\uff09<\/li>\n<\/ul>\n<h3>3. \u7eafSSD\u786c\u76d8\uff08480GB-2TB\u5168SSD\uff09<\/h3>\n<ul>\n<li>\u4f18\u52bf\uff1a\u5168\u76d8\u6781\u901f\uff0c\u968f\u673a\u8bfb\u5199\u78be\u538b\uff0c\u9002\u5408\u9ad8I\/O\u4e1a\u52a1<\/li>\n<li>\u52a3\u52bf\uff1a\u4ef7\u683c\u8f83\u9ad8\uff0c\u5bb9\u91cf\u76f8\u5bf9\u5c0f<\/li>\n<li>\u9002\u7528\u573a\u666f\uff1a\u5927\u578b\u5546\u57ce\u3001\u7ad9\u7fa4\u670d\u52a1\u5668\u3001\u5b9e\u65f6\u6570\u636e\u5206\u6790\u3001\u9ad8\u5e76\u53d1API<\/li>\n<li>\u771f\u5b9e\u6848\u4f8b\uff1a\u67d0\u7ad9\u7fa4\u7528\u6237\u4ece\u6df7\u5408\u76d8\u5347\u7ea7\u5230480GB\u7eafSSD\u540e\uff0c200\u4e2a\u7ad9\u70b9\u540c\u65f6\u91c7\u96c6\u901f\u5ea6\u63d0\u53473\u500d<\/li>\n<\/ul>\n<h2>\u4e09\u30012025\u5e74\u9999\u6e2f\u670d\u52a1\u5668\u786c\u76d8\u914d\u7f6e\u63a8\u8350\uff08\u540e\u6d6a\u4e91\u6700\u65b0\u5b9e\u6d4b\uff09<\/h2>\n<table>\n<tbody>\n<tr>\n<th>\u4e1a\u52a1\u7c7b\u578b<\/th>\n<th>\u63a8\u8350\u786c\u76d8\u65b9\u6848<\/th>\n<th>\u540e\u6d6a\u4e91\u5bf9\u5e94\u5957\u9910<\/th>\n<th>\u6708\u4ed8\u4ef7\u683c<\/th>\n<th>\u6027\u80fd\u63d0\u5347<\/th>\n<\/tr>\n<tr>\n<td>\u5916\u8d38\u72ec\u7acb\u7ad9\/\u4f01\u4e1a\u5b98\u7f51<\/td>\n<td>240GB SSD + 1TB HDD<\/td>\n<td>E3-1230 v2 \/ 16GB \/ \u6df7\u5408\u76d8 \/ 30M BGP<\/td>\n<td>450\u5143<\/td>\n<td>\u7f51\u7ad9\u79d2\u5f00<\/td>\n<\/tr>\n<tr>\n<td>\u8de8\u5883\u7535\u5546\/\u9ad8\u5e76\u53d1\u5546\u57ce<\/td>\n<td>480GB\u7eafSSD<\/td>\n<td>E3-1230 v3 \/ 32GB \/ 480GB SSD \/ CN2 GIA<\/td>\n<td>\u9996\u6708240\u5143<\/td>\n<td>\u6570\u636e\u5e93\u67e5\u8be2\u63d0\u534710\u500d<\/td>\n<\/tr>\n<tr>\n<td>\u7ad9\u7fa4\/SEO\u8425\u9500<\/td>\n<td>240GB SSD + 1TB HDD<\/td>\n<td>\u53ccE5-2660 \/ 32GB \/ \u6df7\u5408\u76d8 \/ 253IP<\/td>\n<td>1700\u5143<\/td>\n<td>\u591a\u7ad9\u70b9\u91c7\u96c6\u4e0d\u5361\u987f<\/td>\n<\/tr>\n<tr>\n<td>\u89c6\u9891\/\u4e0b\u8f7d\u7ad9<\/td>\n<td>1TB HDD\u6216\u66f4\u5927<\/td>\n<td>i3-4150 \/ 8GB \/ 1TB HDD \/ 100M\u5e26\u5bbd<\/td>\n<td>1350\u5143<\/td>\n<td>\u5927\u5bb9\u91cf\u5b58\u50a8<\/td>\n<\/tr>\n<tr>\n<td>\u65d7\u8230\u9ad8\u6027\u80fd<\/td>\n<td>\u53cc480GB SSD\uff08RAID1\uff09<\/td>\n<td>\u53ccE5-2665 v2 \/ 32GB \/ 2\u00d7480GB SSD<\/td>\n<td>3180\u5143<\/td>\n<td>\u6781\u81f4\u7a33\u5b9a+\u6781\u901f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u56db\u3001\u5982\u4f55\u6d4b\u8bd5\u4f60\u7684\u9999\u6e2f\u670d\u52a1\u5668\u786c\u76d8\u6027\u80fd\uff1f<\/h2>\n<p>\u767b\u5f55\u670d\u52a1\u5668\u540e\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u5373\u53ef\u5feb\u901f\u68c0\u6d4b\uff1a<\/p>\n<ul>\n<li>\u67e5\u770b\u786c\u76d8\u7c7b\u578b\uff1alsblk \u6216 cat \/proc\/scsi\/scsi<\/li>\n<li>\u6d4b\u8bd5\u987a\u5e8f\u8bfb\u5199\uff1add if=\/dev\/zero of=test bs=1G count=1 oflag=dsync<\/li>\n<li>\u6d4b\u8bd5\u968f\u673aIOPS\uff1afio --randrepeat=1 --ioengine=libaio --direct=1 --gtod_reduce=1 --name=test --bs=4k --iodepth=64 --size=4G --readwrite=randread<\/li>\n<\/ul>\n<p>\u540e\u6d6a\u4e91\u6240\u6709\u9999\u6e2f\u670d\u52a1\u5668\u5747\u652f\u6301\u514d\u8d39\u91cd\u88c5\u7cfb\u7edf\uff0c\u4f60\u53ef\u4ee5\u968f\u65f6\u628a\u7cfb\u7edf\u88c5\u5728SSD\u4e0a\uff0c\u6570\u636e\u76d8\u6302\u8f7dHDD\uff0c\u7075\u6d3b\u8c03\u6574\u3002<\/p>\n<h2>\u4e94\u3001\u603b\u7ed3\uff1a2025\u5e74\u79df\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u786c\u76d8\u8fd9\u6837\u9009\u6700\u7a33<\/h2>\n<ol>\n<li>\u666e\u901a\u4f01\u4e1a\u7ad9\u3001\u5916\u8d38\u7ad9\uff1a\u4f18\u5148\u9009\u62e9240GB SSD + 1TB HDD\u6df7\u5408\u76d8\uff0c\u6027\u4ef7\u6bd4\u6700\u9ad8<\/li>\n<li>\u9ad8\u5e76\u53d1\u3001\u6570\u636e\u5e93\u5bc6\u96c6\u578b\uff1a\u76f4\u63a5\u4e0a480GB\u53ca\u4ee5\u4e0a\u7eafSSD<\/li>\n<li>\u7eaf\u5b58\u50a8\u3001\u4e0b\u8f7d\u7ad9\uff1a1TB+ HDD\u8db3\u591f<\/li>\n<li>\u9884\u7b97\u5145\u8db3\u8ffd\u6c42\u6781\u81f4\uff1a\u53cc\u76d8RAID1\u5168SSD\u65b9\u6848<\/li>\n<\/ol>\n<p>\u4f5c\u4e3a\u62e5\u670918\u5e74\u884c\u4e1a\u7ecf\u9a8c\u7684\u8001\u724cIDC\uff0c\u540e\u6d6a\u4e91\uff08<a href=\"https:\/\/idc.net\/\">https:\/\/idc.net\/<\/a>\uff09\u63d0\u4f9b\u5168\u7cfb\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u5168\u90e8\u91c7\u7528\u4f01\u4e1a\u7ea7SSD+HDD\u6df7\u5408\u6216\u7eafSSD\u65b9\u6848\uff0c\u90e8\u7f72\u4e8e\u9999\u6e2fT3+\u673a\u623f\uff0cCN2 GIA\u7cbe\u54c1\u7ebf\u8def\uff0c\u5927\u9646\u5ef6\u8fdf\u4ec530-50ms\uff0c\u652f\u6301\u4e00\u952e\u91cd\u88c5\u30017\u00d724\u5c0f\u65f6\u4e2d\u6587\u6280\u672f\u652f\u6301\u3002<\/p>\n<p>\u6b63\u5728\u5bfb\u627e\u9ad8\u6027\u80fd\u786c\u76d8\u914d\u7f6e\u7684\u9999\u6e2f\u670d\u52a1\u5668\uff1f\u7acb\u5373\u8bbf\u95ee\u540e\u6d6a\u4e91\u9999\u6e2f\u72ec\u7acb\u670d\u52a1\u5668\u4ea7\u54c1\u9875\uff1a<a 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[&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-442269","post","type-post","status-publish","format-standard","hentry","category-hkserver"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/442269","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=442269"}],"version-history":[{"count":1,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/442269\/revisions"}],"predecessor-version":[{"id":442270,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/442269\/revisions\/442270"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=442269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=442269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=442269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}