{"id":196474,"date":"2024-11-13T23:53:20","date_gmt":"2024-11-13T15:53:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/196474\/"},"modified":"2024-11-13T23:53:21","modified_gmt":"2024-11-13T15:53:21","slug":"%e6%99%ba%e8%83%bd%e5%8a%9b%e6%8e%a7%e5%9c%a8mssql%e7%92%b0%e5%a2%83%e4%b8%ad%e7%9a%84%e6%87%89%e7%94%a8%ef%bc%88%e5%8a%9b%e6%8e%a7-mssql%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/196474\/","title":{"rendered":"\u667a\u80fd\u529b\u63a7\u5728MSSQL\u74b0\u5883\u4e2d\u7684\u61c9\u7528\uff08\u529b\u63a7 mssql\uff09"},"content":{"rendered":"

\u667a\u80fd\u529b\u63a7\u5728MSSQL\u74b0\u5883\u4e2d\u7684\u61c9\u7528\uff08\u529b\u63a7 mssql\uff09<\/h1>\n

\u96a8\u8457\u6578\u64da\u9a45\u52d5\u6c7a\u7b56\u7684\u8208\u8d77\uff0c\u4f01\u696d\u5c0d\u65bc\u6578\u64da\u7ba1\u7406\u548c\u5206\u6790\u7684\u9700\u6c42\u65e5\u76ca\u589e\u52a0\u3002\u5728\u9019\u6a23\u7684\u80cc\u666f\u4e0b\uff0c\u667a\u80fd\u529b\u63a7\u6280\u8853\u5728MSSQL\uff08Microsoft SQL Server\uff09\u74b0\u5883\u4e2d\u7684\u61c9\u7528\u9010\u6f38\u53d7\u5230\u91cd\u8996\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u667a\u80fd\u529b\u63a7\u5728MSSQL\u74b0\u5883\u4e2d\u7684\u61c9\u7528\uff0c\u4e26\u5206\u6790\u5176\u5e36\u4f86\u7684\u512a\u52e2\u548c\u5be6\u73fe\u65b9\u5f0f\u3002<\/p>\n

\u667a\u80fd\u529b\u63a7\u7684\u6982\u5ff5<\/h2>\n

\u667a\u80fd\u529b\u63a7\u662f\u6307\u5229\u7528\u5148\u9032\u7684\u6578\u64da\u5206\u6790\u6280\u8853\u548c\u7b97\u6cd5\uff0c\u5c0d\u7cfb\u7d71\u9032\u884c\u667a\u80fd\u5316\u7684\u76e3\u63a7\u548c\u7ba1\u7406\u3002\u9019\u7a2e\u6280\u8853\u53ef\u4ee5\u5e6b\u52a9\u4f01\u696d\u5be6\u6642\u7372\u53d6\u7cfb\u7d71\u904b\u884c\u72c0\u614b\uff0c\u4e26\u6839\u64da\u6578\u64da\u5206\u6790\u7d50\u679c\u9032\u884c\u81ea\u52d5\u5316\u8abf\u6574\uff0c\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u6548\u7387\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n

MSSQL\u74b0\u5883\u4e2d\u7684\u667a\u80fd\u529b\u63a7\u61c9\u7528<\/h2>\n

\u5728MSSQL\u74b0\u5883\u4e2d\uff0c\u667a\u80fd\u529b\u63a7\u7684\u61c9\u7528\u4e3b\u8981\u9ad4\u73fe\u5728\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n

1. \u6578\u64da\u76e3\u63a7\u8207\u9810\u8b66<\/h3>\n

\u667a\u80fd\u529b\u63a7\u53ef\u4ee5\u5be6\u6642\u76e3\u63a7MSSQL\u6578\u64da\u5eab\u7684\u904b\u884c\u72c0\u614b\uff0c\u5305\u62ec\u67e5\u8a62\u6027\u80fd\u3001\u8cc7\u6e90\u4f7f\u7528\u60c5\u6cc1\u7b49\u3002\u901a\u904e\u8a2d\u7f6e\u95be\u503c\uff0c\u7cfb\u7d71\u53ef\u4ee5\u5728\u767c\u73fe\u7570\u5e38\u60c5\u6cc1\u6642\u81ea\u52d5\u767c\u9001\u9810\u8b66\u901a\u77e5\uff0c\u5e6b\u52a9\u7ba1\u7406\u4eba\u54e1\u53ca\u6642\u8655\u7406\u554f\u984c\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u76e3\u63a7\u7576\u524d\u7684\u9023\u63a5\u6578\uff1a<\/p>\n

SELECT COUNT(*) AS CurrentConnections\nFROM sys.dm_exec_connections;<\/code><\/pre>\n
2. \u6027\u80fd\u512a\u5316<\/h3>\n
\u667a\u80fd\u529b\u63a7\u6280\u8853\u53ef\u4ee5\u901a\u904e\u5206\u6790\u6b77\u53f2\u6578\u64da\uff0c\u8b58\u5225\u6027\u80fd\u74f6\u9838\u4e26\u63d0\u51fa\u512a\u5316\u5efa\u8b70\u3002\u9019\u4e9b\u5efa\u8b70\u53ef\u80fd\u5305\u62ec\u7d22\u5f15\u91cd\u5efa\u3001\u67e5\u8a62\u512a\u5316\u7b49\u3002\u5229\u7528MSSQL\u7684\u52d5\u614b\u7ba1\u7406\u8996\u5716\uff08DMVs\uff09\uff0c\u53ef\u4ee5\u7372\u53d6\u6709\u95dc\u67e5\u8a62\u6027\u80fd\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5f9e\u800c\u9032\u884c\u91dd\u5c0d\u6027\u7684\u512a\u5316\u3002\u4f8b\u5982\uff1a<\/p>\n
SELECT TOP 10\n    qs.total_elapsed_time \/ qs.execution_count AS [AvgTime],\n    qs.execution_count,\n    qs.total_elapsed_time,\n    qs.total_logical_reads,\n    qs.total_worker_time,\n    SUBSTRING(qt.text, (qs.statement_start_offset\/2) + 1,\n    ((CASE qs.statement_end_offset\n        WHEN -1 THEN DATALENGTH(qt.text)\n        ELSE qs.statement_end_offset\n    END - qs.statement_start_offset)\/2) + 1) AS [QueryText]\nFROM sys.dm_exec_query_stats AS qs\nCROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS qt\nORDER BY [AvgTime] DESC;<\/code><\/pre>\n
3. \u81ea\u52d5\u5316\u7dad\u8b77<\/h3>\n
\u667a\u80fd\u529b\u63a7\u9084\u53ef\u4ee5\u5be6\u73fe\u6578\u64da\u5eab\u7684\u81ea\u52d5\u5316\u7dad\u8b77\uff0c\u4f8b\u5982\u5b9a\u671f\u5099\u4efd\u3001\u6578\u64da\u6e05\u7406\u7b49\u3002\u9019\u4e0d\u50c5\u6e1b\u5c11\u4e86\u4eba\u5de5\u64cd\u4f5c\u7684\u932f\u8aa4\u98a8\u96aa\uff0c\u9084\u80fd\u63d0\u9ad8\u7dad\u8b77\u6548\u7387\u3002\u901a\u904e\u8a2d\u7f6e\u8a08\u5283\u4efb\u52d9\uff0c\u53ef\u4ee5\u81ea\u52d5\u57f7\u884c\u9019\u4e9b\u7dad\u8b77\u64cd\u4f5c\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n
4. \u6578\u64da\u5b89\u5168\u6027\u63d0\u5347<\/h3>\n
\u5728MSSQL\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u5b89\u5168\u6027\u81f3\u95dc\u91cd\u8981\u3002\u667a\u80fd\u529b\u63a7\u6280\u8853\u53ef\u4ee5\u901a\u904e\u5be6\u6642\u76e3\u63a7\u6578\u64da\u8a2a\u554f\u884c\u70ba\uff0c\u6aa2\u6e2c\u6f5b\u5728\u7684\u5b89\u5168\u5a01\u8105\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u89f8\u767c\u5668\u4f86\u76e3\u63a7\u7279\u5b9a\u8868\u7684\u6578\u64da\u8b8a\u66f4\uff0c\u4e26\u5728\u7570\u5e38\u60c5\u6cc1\u4e0b\u767c\u9001\u8b66\u5831\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u667a\u80fd\u529b\u63a7\u5728MSSQL\u74b0\u5883\u4e2d\u7684\u61c9\u7528\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u7ba1\u7406\u7684\u6548\u7387\uff0c\u9084\u589e\u5f37\u4e86\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u5b89\u5168\u6027\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u672a\u4f86\u667a\u80fd\u529b\u63a7\u5c07\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u767c\u63ee\u66f4\u5927\u7684\u4f5c\u7528\u3002\u5c0d\u65bc\u5e0c\u671b\u63d0\u5347\u6578\u64da\u8655\u7406\u80fd\u529b\u7684\u4f01\u696d\u800c\u8a00\uff0c\u63a1\u7528\u667a\u80fd\u529b\u63a7\u6280\u8853\u5c07\u662f\u4e00\u500b\u660e\u667a\u7684\u9078\u64c7\u3002<\/p>\n
\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc\u9999\u6e2fVPS<\/a><\/em>\u548c\u4e91\u670d\u52a1\u5668<\/a><\/em>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u667a\u80fd\u529b\u63a7\u5728MSSQL\u74b0\u5883\u4e2d\u7684\u61c9\u7528\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u5be6\u73fe\u667a\u80fd\u5316\u6578\u64da\u5206\u6790\u8207\u6c7a\u7b56\u652f\u6301\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-196474","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196474","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=196474"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196474\/revisions"}],"predecessor-version":[{"id":196475,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/196474\/revisions\/196475"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=196474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=196474"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=196474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}