{"id":139029,"date":"2024-10-31T17:38:23","date_gmt":"2024-10-31T09:38:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/139029\/"},"modified":"2024-10-31T17:38:23","modified_gmt":"2024-10-31T09:38:23","slug":"sql-server%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8%e7%a1%ac%e7%9b%a4%e5%8e%9f%e7%90%86%e6%b8%9b%e5%b0%91io","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/139029\/","title":{"rendered":"SQL Server\u5982\u4f55\u5229\u7528\u786c\u76e4\u539f\u7406\u6e1b\u5c11IO"},"content":{"rendered":"<h1 id=\"sql-server%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8%e7%a1%ac%e7%9b%a4%e5%8e%9f%e7%90%86%e6%b8%9b%e5%b0%91io-hrVLJfowGl\">SQL Server\u5982\u4f55\u5229\u7528\u786c\u76e4\u539f\u7406\u6e1b\u5c11IO<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cI\/O\uff08\u8f38\u5165\/\u8f38\u51fa\uff09\u64cd\u4f5c\u7684\u6548\u7387\u5c0d\u65bc\u6574\u9ad4\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002SQL Server\u4f5c\u70ba\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u9762\u81e8\u8457\u5982\u4f55\u6709\u6548\u7ba1\u7406I\/O\u64cd\u4f5c\u7684\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0eSQL Server\u5982\u4f55\u5229\u7528\u786c\u76e4\u7684\u539f\u7406\u4f86\u6e1b\u5c11I\/O\u64cd\u4f5c\uff0c\u5f9e\u800c\u63d0\u5347\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%a1%ac%e7%9b%a4%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-hrVLJfowGl\">\u786c\u76e4\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>\u786c\u76e4\u9a45\u52d5\u5668\uff08HDD\uff09\u548c\u56fa\u614b\u786c\u76e4\uff08SSD\uff09\u662f\u5b58\u5132\u6578\u64da\u7684\u4e3b\u8981\u8a2d\u5099\u3002HDD\u4f7f\u7528\u65cb\u8f49\u7684\u78c1\u789f\u7247\u548c\u8b80\u5beb\u982d\u4f86\u5b58\u53d6\u6578\u64da\uff0c\u800cSSD\u5247\u4f7f\u7528\u9583\u5b58\u6280\u8853\uff0c\u80fd\u5920\u66f4\u5feb\u5730\u8b80\u53d6\u548c\u5beb\u5165\u6578\u64da\u3002\u4e86\u89e3\u9019\u4e9b\u786c\u76e4\u7684\u5de5\u4f5c\u539f\u7406\u6709\u52a9\u65bc\u6211\u5011\u66f4\u597d\u5730\u512a\u5316SQL Server\u7684I\/O\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"sql-server%e7%9a%84i-o%e6%93%8d%e4%bd%9c-hrVLJfowGl\">SQL Server\u7684I\/O\u64cd\u4f5c<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0cI\/O\u64cd\u4f5c\u4e3b\u8981\u5305\u62ec\u8b80\u53d6\u548c\u5beb\u5165\u6578\u64da\u9801\u3002\u6578\u64da\u9801\u662fSQL Server\u4e2d\u6700\u5c0f\u7684\u6578\u64da\u55ae\u4f4d\uff0c\u901a\u5e38\u5927\u5c0f\u70ba8KB\u3002\u7576SQL Server\u9700\u8981\u8a2a\u554f\u6578\u64da\u6642\uff0c\u5b83\u6703\u5f9e\u786c\u76e4\u4e2d\u8b80\u53d6\u6578\u64da\u9801\uff0c\u4e26\u5c07\u5176\u52a0\u8f09\u5230\u5167\u5b58\u4e2d\u3002\u9019\u4e00\u904e\u7a0b\u6d89\u53ca\u5230\u591a\u6b21I\/O\u64cd\u4f5c\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002<\/p>\n<h2 id=\"%e6%b8%9b%e5%b0%91i-o%e6%93%8d%e4%bd%9c%e7%9a%84%e7%ad%96%e7%95%a5-hrVLJfowGl\">\u6e1b\u5c11I\/O\u64cd\u4f5c\u7684\u7b56\u7565<\/h2>\n<p>\u70ba\u4e86\u6e1b\u5c11I\/O\u64cd\u4f5c\uff0cSQL Server\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u7d22\u5f15\uff1a<\/strong>\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u67e5\u8a62\u6240\u9700\u7684I\/O\u64cd\u4f5c\u3002\u901a\u904e\u5275\u5efa\u5408\u9069\u7684\u7d22\u5f15\uff0cSQL Server\u53ef\u4ee5\u66f4\u5feb\u5730\u5b9a\u4f4d\u5230\u6240\u9700\u7684\u6578\u64da\u9801\uff0c\u800c\u7121\u9700\u6383\u63cf\u6574\u500b\u8868\u3002<\/li>\n<li><strong>\u67e5\u8a62\u512a\u5316\uff1a<\/strong>\u512a\u5316\u67e5\u8a62\u8a9e\u53e5\u53ef\u4ee5\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684I\/O\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528WHERE\u5b50\u53e5\u904e\u6ffe\u6578\u64da\uff0c\u50c5\u6aa2\u7d22\u6240\u9700\u7684\u884c\uff0c\u800c\u4e0d\u662f\u6574\u500b\u8868\u3002<\/li>\n<li><strong>\u6578\u64da\u5206\u5340\uff1a<\/strong>\u5c07\u5927\u578b\u8868\u5206\u5340\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u56e0\u70baSQL Server\u53ef\u4ee5\u91dd\u5c0d\u7279\u5b9a\u7684\u5206\u5340\u9032\u884cI\/O\u64cd\u4f5c\uff0c\u800c\u4e0d\u662f\u6574\u500b\u8868\u3002<\/li>\n<li><strong>\u7de9\u5b58\u6a5f\u5236\uff1a<\/strong>SQL Server\u4f7f\u7528\u7de9\u5b58\u4f86\u5b58\u5132\u6700\u8fd1\u8a2a\u554f\u7684\u6578\u64da\u9801\u3002\u9019\u6a23\uff0c\u7576\u518d\u6b21\u9700\u8981\u9019\u4e9b\u6578\u64da\u6642\uff0c\u53ef\u4ee5\u76f4\u63a5\u5f9e\u5167\u5b58\u4e2d\u8b80\u53d6\uff0c\u5f9e\u800c\u6e1b\u5c11I\/O\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%a1%ac%e7%9b%a4%e9%85%8d%e7%bd%ae%e7%9a%84%e5%bd%b1%e9%9f%bf-hrVLJfowGl\">\u786c\u76e4\u914d\u7f6e\u7684\u5f71\u97ff<\/h2>\n<p>\u786c\u76e4\u7684\u914d\u7f6e\u5c0dI\/O\u6027\u80fd\u6709\u8457\u76f4\u63a5\u7684\u5f71\u97ff\u3002\u4f7f\u7528RAID\uff08\u5197\u9918\u78c1\u789f\u9663\u5217\uff09\u6280\u8853\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u7684\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\uff0c\u4e26\u63d0\u4f9b\u6578\u64da\u5197\u9918\u4fdd\u8b77\u3002\u6b64\u5916\uff0c\u9078\u64c7SSD\u800c\u975eHDD\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8I\/O\u6027\u80fd\uff0c\u56e0\u70baSSD\u7684\u96a8\u6a5f\u8b80\u5beb\u901f\u5ea6\u9060\u9ad8\u65bcHDD\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%a1%88%e4%be%8b%e5%88%86%e6%9e%90-hrVLJfowGl\">\u5be6\u969b\u6848\u4f8b\u5206\u6790<\/h2>\n<p>\u5047\u8a2d\u4e00\u500b\u4f01\u696d\u7684SQL Server\u6578\u64da\u5eab\u4e2d\u6709\u4e00\u500b\u5927\u578b\u5ba2\u6236\u8868\uff0c\u8a72\u8868\u5305\u542b\u6578\u767e\u842c\u689d\u8a18\u9304\u3002\u82e5\u672a\u4f7f\u7528\u7d22\u5f15\uff0c\u67e5\u8a62\u6642\u53ef\u80fd\u9700\u8981\u6383\u63cf\u6574\u500b\u8868\uff0c\u9019\u5c07\u5c0e\u81f4\u5927\u91cf\u7684I\/O\u64cd\u4f5c\u3002\u901a\u904e\u70ba\u8a72\u8868\u5275\u5efa\u7d22\u5f15\uff0c\u67e5\u8a62\u6027\u80fd\u53ef\u4ee5\u63d0\u9ad8\u6578\u500d\uff0c\u5f9e\u800c\u6e1b\u5c11I\/O\u64cd\u4f5c\u7684\u9700\u6c42\u3002<\/p>\n<pre><code>CREATE INDEX idx_customer_name ON Customers(Name);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u5275\u5efa\u7d22\u5f15\u5f8c\uff0cSQL Server\u53ef\u4ee5\u66f4\u5feb\u5730\u5b9a\u4f4d\u5230\u5ba2\u6236\u7684\u8a18\u9304\uff0c\u5f9e\u800c\u6e1b\u5c11\u5c0d\u786c\u76e4\u7684I\/O\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-hrVLJfowGl\">\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0cSQL Server\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u5f0f\u5229\u7528\u786c\u76e4\u7684\u539f\u7406\u4f86\u6e1b\u5c11I\/O\u64cd\u4f5c\uff0c\u5305\u62ec\u4f7f\u7528\u7d22\u5f15\u3001\u512a\u5316\u67e5\u8a62\u3001\u6578\u64da\u5206\u5340\u548c\u7de9\u5b58\u6a5f\u5236\u7b49\u3002\u6b64\u5916\uff0c\u786c\u76e4\u7684\u914d\u7f6e\u4e5f\u6703\u5f71\u97ffI\/O\u6027\u80fd\u3002\u901a\u904e\u9019\u4e9b\u7b56\u7565\uff0c\u4f01\u696d\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u5f9e\u800c\u66f4\u6709\u6548\u5730\u7ba1\u7406\u5176\u6578\u64da\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u548c<em><a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a><\/em>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22SQL Server\u5982\u4f55\u5229\u7528\u786c\u76e4\u539f\u7406\u512a\u5316\u6578\u64da\u5b58\u53d6\uff0c\u6e1b\u5c11I\/O\u64cd\u4f5c\uff0c\u63d0\u9ad8\u6027\u80fd\u548c\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-139029","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/139029","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=139029"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/139029\/revisions"}],"predecessor-version":[{"id":139030,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/139029\/revisions\/139030"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=139029"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=139029"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=139029"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}