{"id":66169,"date":"2024-10-14T15:08:14","date_gmt":"2024-10-14T07:08:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/66169\/"},"modified":"2024-10-14T15:08:14","modified_gmt":"2024-10-14T07:08:14","slug":"mssql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9b%b4%e6%96%b0%e9%80%9f%e5%ba%a6%e6%85%a2%e7%9a%84%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88%ef%bc%88mssql%e6%9b%b4%e6%96%b0%e6%85%a2%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/66169\/","title":{"rendered":"MSSQL\u6578\u64da\u5eab\u66f4\u65b0\u901f\u5ea6\u6162\u7684\u89e3\u6c7a\u65b9\u6848\uff08mssql\u66f4\u65b0\u6162\uff09"},"content":{"rendered":"<h1 id=\"mssql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9b%b4%e6%96%b0%e9%80%9f%e5%ba%a6%e6%85%a2%e7%9a%84%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88%ef%bc%88mssql%e6%9b%b4%e6%96%b0%e6%85%a2%ef%bc%89-agJfhKQXRv\">MSSQL\u6578\u64da\u5eab\u66f4\u65b0\u901f\u5ea6\u6162\u7684\u89e3\u6c7a\u65b9\u6848\uff08mssql\u66f4\u65b0\u6162\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u4f01\u696d\u7684\u904b\u71df\u81f3\u95dc\u91cd\u8981\u3002\u7279\u5225\u662f\u5c0d\u65bc\u4f7f\u7528Microsoft SQL Server\uff08MSSQL\uff09\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u6578\u64da\u5eab\u7684\u66f4\u65b0\u901f\u5ea6\u6162\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u696d\u52d9\u7684\u6548\u7387\u548c\u7528\u6236\u9ad4\u9a57\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5c0e\u81f4MSSQL\u6578\u64da\u5eab\u66f4\u65b0\u901f\u5ea6\u6162\u7684\u539f\u56e0\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e6%9b%b4%e6%96%b0%e9%80%9f%e5%ba%a6%e6%85%a2%e7%9a%84%e5%8e%9f%e5%9b%a0-agJfhKQXRv\">\u66f4\u65b0\u901f\u5ea6\u6162\u7684\u539f\u56e0<\/h2>\n<p>\u5728\u6df1\u5165\u89e3\u6c7a\u65b9\u6848\u4e4b\u524d\uff0c\u4e86\u89e3\u9020\u6210MSSQL\u6578\u64da\u5eab\u66f4\u65b0\u901f\u5ea6\u6162\u7684\u539f\u56e0\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u7d22\u5f15\u7f3a\u5931\u6216\u4e0d\u7576\uff1a<\/strong>\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u95dc\u9375\u3002\u5982\u679c\u7d22\u5f15\u8a2d\u7f6e\u4e0d\u7576\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u66f4\u65b0\u64cd\u4f5c\u8b8a\u5f97\u7de9\u6162\u3002<\/li>\n<li><strong>\u9396\u5b9a\u554f\u984c\uff1a<\/strong>\u7576\u591a\u500b\u7528\u6236\u540c\u6642\u8a2a\u554f\u6578\u64da\u5eab\u6642\uff0c\u9396\u5b9a\u53ef\u80fd\u6703\u5c0e\u81f4\u66f4\u65b0\u64cd\u4f5c\u7684\u5ef6\u9072\u3002\u9019\u7a2e\u60c5\u6cc1\u5728\u9ad8\u4e26\u767c\u74b0\u5883\u4e2d\u5c24\u70ba\u660e\u986f\u3002<\/li>\n<li><strong>\u786c\u9ad4\u8cc7\u6e90\u4e0d\u8db3\uff1a<\/strong>\u5982\u679c\u4f3a\u670d\u5668\u7684CPU\u3001\u5167\u5b58\u6216\u78c1\u789fI\/O\u6027\u80fd\u4e0d\u8db3\uff0c\u5c07\u76f4\u63a5\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002<\/li>\n<li><strong>\u4e0d\u7576\u7684\u67e5\u8a62\u8a2d\u8a08\uff1a<\/strong>\u4e0d\u512a\u5316\u7684\u67e5\u8a62\u53ef\u80fd\u6703\u5c0e\u81f4\u4e0d\u5fc5\u8981\u7684\u8cc7\u6e90\u6d88\u8017\uff0c\u5f9e\u800c\u5f71\u97ff\u66f4\u65b0\u901f\u5ea6\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u788e\u7247\u5316\uff1a<\/strong>\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u53ef\u80fd\u6703\u8b8a\u5f97\u788e\u7247\u5316\uff0c\u9019\u6703\u5f71\u97ff\u8b80\u53d6\u548c\u5beb\u5165\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-agJfhKQXRv\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u91dd\u5c0d\u4e0a\u8ff0\u554f\u984c\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e5%84%aa%e5%8c%96%e7%b4%a2%e5%bc%95-agJfhKQXRv\">1. \u512a\u5316\u7d22\u5f15<\/h3>\n<p>\u5b9a\u671f\u6aa2\u67e5\u548c\u512a\u5316\u7d22\u5f15\u662f\u63d0\u9ad8\u66f4\u65b0\u901f\u5ea6\u7684\u95dc\u9375\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u67e5\u627e\u672a\u4f7f\u7528\u7684\u7d22\u5f15\uff1a<\/p>\n<pre><code>SELECT * FROM sys.dm_db_index_usage_stats WHERE user_seeks = 0 AND user_scans = 0;<\/code><\/pre>\n<p>\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u7d22\u5f15\uff0c\u4e26\u6839\u64da\u67e5\u8a62\u6a21\u5f0f\u5275\u5efa\u5408\u9069\u7684\u7d22\u5f15\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<h3 id=\"2-%e7%ae%a1%e7%90%86%e9%8e%96%e5%ae%9a-agJfhKQXRv\">2. \u7ba1\u7406\u9396\u5b9a<\/h3>\n<p>\u4f7f\u7528\u884c\u7d1a\u9396\u5b9a\u800c\u4e0d\u662f\u8868\u7d1a\u9396\u5b9a\u53ef\u4ee5\u6e1b\u5c11\u9396\u5b9a\u7af6\u722d\u3002\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e\u9069\u7576\u7684\u9694\u96e2\u7d1a\u5225\u4f86\u7ba1\u7406\u9396\u5b9a\uff0c\u4f8b\u5982\u4f7f\u7528READ COMMITTED SNAPSHOT\u9694\u96e2\u7d1a\u5225\uff1a<\/p>\n<pre><code>ALTER DATABASE YourDatabase SET READ_COMMITTED_SNAPSHOT ON;<\/code><\/pre>\n<h3 id=\"3-%e5%8d%87%e7%b4%9a%e7%a1%ac%e9%ab%94%e8%b3%87%e6%ba%90-agJfhKQXRv\">3. \u5347\u7d1a\u786c\u9ad4\u8cc7\u6e90<\/h3>\n<p>\u5982\u679c\u4f3a\u670d\u5668\u7684\u786c\u9ad4\u8cc7\u6e90\u4e0d\u8db3\uff0c\u8003\u616e\u5347\u7d1aCPU\u3001\u5167\u5b58\u6216\u4f7f\u7528\u66f4\u5feb\u7684SSD\u4f86\u63d0\u9ad8I\/O\u6027\u80fd\u3002<\/p>\n<h3 id=\"4-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2-agJfhKQXRv\">4. \u512a\u5316\u67e5\u8a62<\/h3>\n<p>\u4f7f\u7528SQL Server\u7684\u57f7\u884c\u8a08\u5283\u5206\u6790\u5de5\u5177\u4f86\u8b58\u5225\u6027\u80fd\u74f6\u9838\uff0c\u4e26\u512a\u5316\u4e0d\u7576\u7684\u67e5\u8a62\u3002\u4f8b\u5982\uff0c\u907f\u514d\u4f7f\u7528SELECT *\uff0c\u800c\u662f\u9078\u64c7\u5fc5\u8981\u7684\u5217\u3002<\/p>\n<h3 id=\"5-%e5%ae%9a%e6%9c%9f%e9%87%8d%e5%bb%ba%e7%b4%a2%e5%bc%95%e5%92%8c%e6%9b%b4%e6%96%b0%e7%b5%b1%e8%a8%88%e4%bf%a1%e6%81%af-agJfhKQXRv\">5. \u5b9a\u671f\u91cd\u5efa\u7d22\u5f15\u548c\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f<\/h3>\n<p>\u5b9a\u671f\u91cd\u5efa\u7d22\u5f15\u548c\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u788e\u7247\u5316\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u91cd\u5efa\u7d22\u5f15\uff1a<\/p>\n<pre><code>ALTER INDEX ALL ON YourTable REBUILD;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-agJfhKQXRv\">\u7e3d\u7d50<\/h2>\n<p>\u89e3\u6c7aMSSQL\u6578\u64da\u5eab\u66f4\u65b0\u901f\u5ea6\u6162\u7684\u554f\u984c\u9700\u8981\u5f9e\u591a\u500b\u65b9\u9762\u5165\u624b\uff0c\u5305\u62ec\u512a\u5316\u7d22\u5f15\u3001\u7ba1\u7406\u9396\u5b9a\u3001\u5347\u7d1a\u786c\u9ad4\u8cc7\u6e90\u3001\u512a\u5316\u67e5\u8a62\u4ee5\u53ca\u5b9a\u671f\u91cd\u5efa\u7d22\u5f15\u548c\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\u3002\u901a\u904e\u9019\u4e9b\u63aa\u65bd\uff0c\u4f01\u696d\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u696d\u52d9\u6548\u7387\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u4ee5\u7372\u5f97\u66f4\u597d\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22MSSQL\u6578\u64da\u5eab\u66f4\u65b0\u901f\u5ea6\u6162\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u63d0\u5347\u6027\u80fd\uff0c\u512a\u5316\u67e5\u8a62\uff0c\u78ba\u4fdd\u6578\u64da\u8655\u7406\u9ad8\u6548\u6d41\u66a2\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-66169","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66169","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=66169"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66169\/revisions"}],"predecessor-version":[{"id":66170,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66169\/revisions\/66170"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=66169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=66169"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=66169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}