{"id":194915,"date":"2024-11-13T10:38:20","date_gmt":"2024-11-13T02:38:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/194915\/"},"modified":"2024-11-13T10:38:21","modified_gmt":"2024-11-13T02:38:21","slug":"%e7%94%a8sql-server-dbcc-%e9%81%bf%e5%85%8d%e5%a0%b5%e5%a1%9e%e7%9a%84%e5%af%a6%e9%9a%9b%e6%93%8d%e4%bd%9c%e6%ad%a5%e9%a9%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/194915\/","title":{"rendered":"\u7528SQL Server DBCC \u907f\u514d\u5835\u585e\u7684\u5be6\u969b\u64cd\u4f5c\u6b65\u9a5f"},"content":{"rendered":"<h1 id=\"%e7%94%a8sql-server-dbcc-%e9%81%bf%e5%85%8d%e5%a0%b5%e5%a1%9e%e7%9a%84%e5%af%a6%e9%9a%9b%e6%93%8d%e4%bd%9c%e6%ad%a5%e9%a9%9f-oczWTwmibC\">\u7528SQL Server DBCC \u907f\u514d\u5835\u585e\u7684\u5be6\u969b\u64cd\u4f5c\u6b65\u9a5f<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u4e2d\uff0c\u5835\u585e\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4f75\u767c\u7684\u74b0\u5883\u4e2d\u3002SQL Server \u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u5de5\u5177\u548c\u547d\u4ee4\u4f86\u5e6b\u52a9\u7ba1\u7406\u548c\u6392\u9664\u5835\u585e\u7684\u554f\u984c\uff0c\u5176\u4e2d DBCC\uff08Database Console Commands\uff09\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528 DBCC \u547d\u4ee4\u4f86\u907f\u514d\u548c\u89e3\u6c7a SQL Server \u4e2d\u7684\u5835\u585e\u554f\u984c\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e5%a0%b5%e5%a1%9e%ef%bc%9f-oczWTwmibC\">\u4ec0\u9ebc\u662f\u5835\u585e\uff1f<\/h2>\n<p>\u5835\u585e\u767c\u751f\u5728\u4e00\u500b\u6216\u591a\u500b\u4ea4\u6613\u5728\u7b49\u5f85\u8cc7\u6e90\u6642\uff0c\u9019\u4e9b\u8cc7\u6e90\u88ab\u5176\u4ed6\u4ea4\u6613\u6240\u4f54\u7528\u3002\u9019\u7a2e\u60c5\u6cc1\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u53ef\u7528\u6027\u3002\u4e86\u89e3\u5835\u585e\u7684\u539f\u56e0\u548c\u5982\u4f55\u4f7f\u7528 DBCC \u547d\u4ee4\u4f86\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u662f\u6bcf\u4f4d\u8cc7\u6599\u5eab\u7ba1\u7406\u54e1\u5fc5\u9808\u638c\u63e1\u7684\u6280\u80fd\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-dbcc-%e5%91%bd%e4%bb%a4%e6%aa%a2%e6%9f%a5%e5%a0%b5%e5%a1%9e-oczWTwmibC\">\u4f7f\u7528 DBCC \u547d\u4ee4\u6aa2\u67e5\u5835\u585e<\/h2>\n<p>\u5728 SQL Server \u4e2d\uff0cDBCC \u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u6aa2\u67e5\u8cc7\u6599\u5eab\u7684\u5065\u5eb7\u72c0\u6cc1\u548c\u6027\u80fd\u554f\u984c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684 DBCC \u547d\u4ee4\uff0c\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u548c\u89e3\u6c7a\u5835\u585e\u554f\u984c\uff1a<\/p>\n<ul>\n<li><code>DBCC SQLPERF('sys.dm_tran_locks')<\/code>\uff1a\u6b64\u547d\u4ee4\u53ef\u4ee5\u986f\u793a\u7576\u524d\u7684\u9396\u5b9a\u72c0\u614b\uff0c\u5e6b\u52a9\u8b58\u5225\u54ea\u4e9b\u4ea4\u6613\u6b63\u5728\u4f54\u7528\u8cc7\u6e90\u3002<\/li>\n<li><code>DBCC SHOW_STATISTICS<\/code>\uff1a\u6b64\u547d\u4ee4\u53ef\u4ee5\u986f\u793a\u6709\u95dc\u7d22\u5f15\u548c\u7d71\u8a08\u4fe1\u606f\u7684\u8a73\u7d30\u8cc7\u6599\uff0c\u5e6b\u52a9\u5206\u6790\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><code>DBCC FREEPROCCACHE<\/code>\uff1a\u6b64\u547d\u4ee4\u53ef\u4ee5\u6e05\u9664\u67e5\u8a62\u8a08\u5283\u7de9\u5b58\uff0c\u53ef\u80fd\u6709\u52a9\u65bc\u89e3\u6c7a\u7531\u65bc\u904e\u6642\u7684\u67e5\u8a62\u8a08\u5283\u5c0e\u81f4\u7684\u5835\u585e\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%93%8d%e4%bd%9c%e6%ad%a5%e9%a9%9f-oczWTwmibC\">\u5be6\u969b\u64cd\u4f5c\u6b65\u9a5f<\/h2>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e8%ad%98%e5%88%a5%e5%a0%b5%e5%a1%9e%e7%9a%84%e4%ba%a4%e6%98%93-oczWTwmibC\">\u6b65\u9a5f\u4e00\uff1a\u8b58\u5225\u5835\u585e\u7684\u4ea4\u6613<\/h3>\n<p>\u9996\u5148\uff0c\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u8b58\u5225\u7576\u524d\u7684\u5835\u585e\u60c5\u6cc1\uff1a<\/p>\n<pre><code>\nSELECT \n    blocking_session_id AS BlockingSessionID,\n    session_id AS BlockedSessionID,\n    wait_type,\n    wait_time,\n    wait_resource\nFROM sys.dm_exec_requests\nWHERE blocking_session_id  0;\n<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u88ab\u5835\u585e\u7684\u4ea4\u6613\u53ca\u5176\u5c0d\u61c9\u7684\u963b\u585e\u4ea4\u6613 ID\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e5%88%86%e6%9e%90%e9%8e%96%e5%ae%9a%e6%83%85%e6%b3%81-oczWTwmibC\">\u6b65\u9a5f\u4e8c\uff1a\u5206\u6790\u9396\u5b9a\u60c5\u6cc1<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u4f7f\u7528 <code>DBCC SQLPERF('sys.dm_tran_locks')<\/code> \u547d\u4ee4\u4f86\u67e5\u770b\u7576\u524d\u7684\u9396\u5b9a\u60c5\u6cc1\uff1a<\/p>\n<pre><code>\nDBCC SQLPERF('sys.dm_tran_locks');\n<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u6240\u6709\u7576\u524d\u7684\u9396\u5b9a\uff0c\u5305\u62ec\u9396\u5b9a\u985e\u578b\u548c\u8cc7\u6e90\u985e\u578b\uff0c\u5e6b\u52a9\u60a8\u4e86\u89e3\u54ea\u4e9b\u8cc7\u6e90\u88ab\u4f54\u7528\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e7%b5%82%e6%ad%a2%e9%98%bb%e5%a1%9e%e4%ba%a4%e6%98%93-oczWTwmibC\">\u6b65\u9a5f\u4e09\uff1a\u7d42\u6b62\u963b\u585e\u4ea4\u6613<\/h3>\n<p>\u5982\u679c\u767c\u73fe\u67d0\u500b\u4ea4\u6613\u9577\u6642\u9593\u4f54\u7528\u8cc7\u6e90\uff0c\u53ef\u4ee5\u8003\u616e\u7d42\u6b62\u8a72\u4ea4\u6613\u3002\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u7d42\u6b62\u4ea4\u6613\uff1a<\/p>\n<pre><code>\nKILL [BlockingSessionID];\n<\/code><\/pre>\n<p>\u8acb\u6ce8\u610f\uff0c\u7d42\u6b62\u4ea4\u6613\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\uff0c\u56e0\u6b64\u5728\u57f7\u884c\u6b64\u64cd\u4f5c\u4e4b\u524d\uff0c\u61c9\u4ed4\u7d30\u8a55\u4f30\u98a8\u96aa\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e5%9b%9b%ef%bc%9a%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e5%92%8c%e7%b4%a2%e5%bc%95-oczWTwmibC\">\u6b65\u9a5f\u56db\uff1a\u512a\u5316\u67e5\u8a62\u548c\u7d22\u5f15<\/h3>\n<p>\u70ba\u4e86\u907f\u514d\u672a\u4f86\u7684\u5835\u585e\u554f\u984c\uff0c\u61c9\u8a72\u5b9a\u671f\u6aa2\u67e5\u548c\u512a\u5316\u67e5\u8a62\u53ca\u7d22\u5f15\u3002\u4f7f\u7528 <code>DBCC SHOW_STATISTICS<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u7d22\u5f15\u7684\u7d71\u8a08\u4fe1\u606f\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u8abf\u6574\u3002<\/p>\n<pre><code>\nDBCC SHOW_STATISTICS('YourTableName', 'YourIndexName');\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-oczWTwmibC\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528 SQL Server \u7684 DBCC \u547d\u4ee4\u53ef\u4ee5\u6709\u6548\u5730\u8b58\u5225\u548c\u89e3\u6c7a\u5835\u585e\u554f\u984c\u3002\u901a\u904e\u5b9a\u671f\u6aa2\u67e5\u9396\u5b9a\u60c5\u6cc1\u3001\u5206\u6790\u67e5\u8a62\u6027\u80fd\u4ee5\u53ca\u512a\u5316\u7d22\u5f15\uff0c\u60a8\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u8cc7\u6599\u5eab\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528SQL Server DBCC\u547d\u4ee4\u6709\u6548\u907f\u514d\u8cc7\u6599\u5eab\u5835\u585e\uff0c\u63d0\u5347\u7cfb\u7d71\u6548\u80fd\u7684\u5be6\u969b\u64cd\u4f5c\u6b65\u9a5f\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-194915","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194915","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=194915"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194915\/revisions"}],"predecessor-version":[{"id":194916,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194915\/revisions\/194916"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=194915"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=194915"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=194915"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}