{"id":182024,"date":"2024-11-09T20:28:22","date_gmt":"2024-11-09T12:28:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/182024\/"},"modified":"2024-11-09T20:28:23","modified_gmt":"2024-11-09T12:28:23","slug":"%e6%b7%b1%e5%85%a5%e6%8e%a2%e7%b4%a2sql-server%e7%ad%89%e5%be%85%e6%a8%a1%e5%9e%8b%ef%bc%88sqlserver%e7%ad%89%e5%be%85%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/182024\/","title":{"rendered":"\u6df1\u5165\u63a2\u7d22SQL Server\u7b49\u5f85\u6a21\u578b\uff08sqlserver\u7b49\u5f85\uff09"},"content":{"rendered":"<h1 id=\"%e6%b7%b1%e5%85%a5%e6%8e%a2%e7%b4%a2sql-server%e7%ad%89%e5%be%85%e6%a8%a1%e5%9e%8b%ef%bc%88sqlserver%e7%ad%89%e5%be%85%ef%bc%89-wXFCgvQqvL\">\u6df1\u5165\u63a2\u7d22SQL Server\u7b49\u5f85\u6a21\u578b\uff08sqlserver\u7b49\u5f85\uff09<\/h1>\n<p>\u5728\u4f7f\u7528SQL Server\u9032\u884c\u6578\u64da\u5eab\u7ba1\u7406\u548c\u67e5\u8a62\u6642\uff0c\u6027\u80fd\u554f\u984c\u5f80\u5f80\u662f\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u6700\u95dc\u5fc3\u7684\u8b70\u984c\u4e4b\u4e00\u3002\u70ba\u4e86\u6709\u6548\u5730\u8a3a\u65b7\u548c\u89e3\u6c7a\u6027\u80fd\u74f6\u9838\uff0c\u4e86\u89e3SQL Server\u7684\u7b49\u5f85\u6a21\u578b\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eSQL Server\u7684\u7b49\u5f85\u6a21\u578b\uff0c\u5e6b\u52a9\u8b80\u8005\u7406\u89e3\u5176\u904b\u4f5c\u539f\u7406\u53ca\u5982\u4f55\u5229\u7528\u9019\u4e9b\u4fe1\u606f\u4f86\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%ad%89%e5%be%85%e6%a8%a1%e5%9e%8b%ef%bc%9f-wXFCgvQqvL\">\u4ec0\u9ebc\u662f\u7b49\u5f85\u6a21\u578b\uff1f<\/h2>\n<p>\u7b49\u5f85\u6a21\u578b\u662fSQL Server\u7528\u4f86\u63cf\u8ff0\u548c\u5206\u6790\u7cfb\u7d71\u4e2d\u5404\u7a2e\u64cd\u4f5c\u6240\u9700\u7b49\u5f85\u7684\u6642\u9593\u7684\u5de5\u5177\u3002\u7576SQL Server\u57f7\u884c\u67e5\u8a62\u6642\uff0c\u53ef\u80fd\u6703\u56e0\u70ba\u8cc7\u6e90\u7af6\u722d\u3001\u9396\u5b9a\u3001I\/O\u64cd\u4f5c\u7b49\u539f\u56e0\u800c\u5c0e\u81f4\u67d0\u4e9b\u64cd\u4f5c\u9700\u8981\u7b49\u5f85\u3002\u9019\u4e9b\u7b49\u5f85\u72c0\u614b\u53ef\u4ee5\u5e6b\u52a9\u7ba1\u7406\u54e1\u8b58\u5225\u6027\u80fd\u74f6\u9838\uff0c\u4e26\u91dd\u5c0d\u6027\u5730\u9032\u884c\u512a\u5316\u3002<\/p>\n<h2 id=\"%e7%ad%89%e5%be%85%e9%a1%9e%e5%9e%8b%e7%9a%84%e5%88%86%e9%a1%9e-wXFCgvQqvL\">\u7b49\u5f85\u985e\u578b\u7684\u5206\u985e<\/h2>\n<p>SQL Server\u7684\u7b49\u5f85\u985e\u578b\u53ef\u4ee5\u5927\u81f4\u5206\u70ba\u4ee5\u4e0b\u5e7e\u985e\uff1a<\/p>\n<ul>\n<li><strong>\u8cc7\u6e90\u7b49\u5f85\uff1a<\/strong>\u9019\u985e\u7b49\u5f85\u901a\u5e38\u8207\u786c\u9ad4\u8cc7\u6e90\u6709\u95dc\uff0c\u4f8b\u5982CPU\u3001\u5167\u5b58\u548c\u78c1\u789fI\/O\u7b49\u3002<\/li>\n<li><strong>\u9396\u5b9a\u7b49\u5f85\uff1a<\/strong>\u7576\u4e00\u500b\u67e5\u8a62\u9700\u8981\u8a2a\u554f\u88ab\u5176\u4ed6\u67e5\u8a62\u9396\u5b9a\u7684\u8cc7\u6e90\u6642\uff0c\u5c31\u6703\u767c\u751f\u9396\u5b9a\u7b49\u5f85\u3002<\/li>\n<li><strong>\u7db2\u7d61\u7b49\u5f85\uff1a<\/strong>\u9019\u985e\u7b49\u5f85\u767c\u751f\u5728\u6578\u64da\u5f9e\u4f3a\u670d\u5668\u50b3\u8f38\u5230\u5ba2\u6236\u7aef\u7684\u904e\u7a0b\u4e2d\uff0c\u901a\u5e38\u8207\u7db2\u7d61\u5ef6\u9072\u6709\u95dc\u3002<\/li>\n<li><strong>\u8a08\u5283\u7b49\u5f85\uff1a<\/strong>\u7576SQL Server\u9700\u8981\u751f\u6210\u6216\u91cd\u65b0\u751f\u6210\u67e5\u8a62\u8a08\u5283\u6642\uff0c\u6703\u51fa\u73fe\u8a08\u5283\u7b49\u5f85\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e7%ad%89%e5%be%85%e7%8b%80%e6%85%8b-wXFCgvQqvL\">\u5982\u4f55\u67e5\u770b\u7b49\u5f85\u72c0\u614b<\/h2>\n<p>\u8981\u67e5\u770bSQL Server\u7684\u7b49\u5f85\u72c0\u614b\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u7372\u53d6\u7576\u524d\u7684\u7b49\u5f85\u4fe1\u606f\uff1a<\/p>\n<pre><code>SELECT \n    wait_type, \n    wait_time_ms \/ 1000.0 AS wait_time_sec, \n    waiting_tasks_count, \n    100.0 * wait_time_ms \/ SUM(wait_time_ms) OVER() AS percentage\nFROM sys.dm_os_wait_stats\nWHERE wait_time_ms &gt; 0\nORDER BY wait_time_ms DESC;<\/code><\/pre>\n<p>\u9019\u6bb5\u67e5\u8a62\u5c07\u8fd4\u56de\u7576\u524d\u7cfb\u7d71\u4e2d\u6240\u6709\u7b49\u5f85\u985e\u578b\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5305\u62ec\u7b49\u5f85\u6642\u9593\u3001\u7b49\u5f85\u4efb\u52d9\u6578\u91cf\u53ca\u5176\u5728\u7e3d\u7b49\u5f85\u6642\u9593\u4e2d\u7684\u767e\u5206\u6bd4\u3002\u901a\u904e\u5206\u6790\u9019\u4e9b\u6578\u64da\uff0c\u7ba1\u7406\u54e1\u53ef\u4ee5\u8b58\u5225\u51fa\u6700\u5e38\u898b\u7684\u7b49\u5f85\u985e\u578b\uff0c\u4e26\u91dd\u5c0d\u6027\u5730\u9032\u884c\u512a\u5316\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e7%9a%84%e7%ad%89%e5%be%85%e9%a1%9e%e5%9e%8b%e5%8f%8a%e5%85%b6%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-wXFCgvQqvL\">\u5e38\u898b\u7684\u7b49\u5f85\u985e\u578b\u53ca\u5176\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u7b49\u5f85\u985e\u578b\u53ca\u5176\u53ef\u80fd\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<ul>\n<li><strong>PAGEIOLATCH_SH\uff1a<\/strong>\u9019\u8868\u793a\u9801\u9762I\/O\u64cd\u4f5c\u7684\u7b49\u5f85\uff0c\u901a\u5e38\u662f\u56e0\u70ba\u78c1\u789fI\/O\u6027\u80fd\u4e0d\u8db3\u3002\u89e3\u6c7a\u65b9\u6848\u5305\u62ec\u512a\u5316\u67e5\u8a62\u3001\u589e\u52a0\u7d22\u5f15\u6216\u5347\u7d1a\u786c\u9ad4\u3002<\/li>\n<li><strong>LOCK_S\uff1a<\/strong>\u9019\u8868\u793a\u9396\u5b9a\u7b49\u5f85\uff0c\u901a\u5e38\u662f\u56e0\u70ba\u8cc7\u6e90\u88ab\u5176\u4ed6\u67e5\u8a62\u9396\u5b9a\u3002\u53ef\u4ee5\u8003\u616e\u6e1b\u5c11\u4e8b\u52d9\u7684\u7bc4\u570d\u6216\u4f7f\u7528\u66f4\u4f4e\u7684\u9694\u96e2\u7d1a\u5225\u3002<\/li>\n<li><strong>CXPACKET\uff1a<\/strong>\u9019\u8868\u793a\u4e26\u884c\u67e5\u8a62\u7684\u7b49\u5f85\uff0c\u901a\u5e38\u662f\u56e0\u70ba\u67e5\u8a62\u7684\u67d0\u4e9b\u90e8\u5206\u57f7\u884c\u5f97\u6bd4\u5176\u4ed6\u90e8\u5206\u6162\u3002\u53ef\u4ee5\u901a\u904e\u8abf\u6574\u4e26\u884c\u5ea6\u6216\u512a\u5316\u67e5\u8a62\u4f86\u89e3\u6c7a\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-wXFCgvQqvL\">\u7d50\u8ad6<\/h2>\n<p>\u4e86\u89e3SQL Server\u7684\u7b49\u5f85\u6a21\u578b\u5c0d\u65bc\u512a\u5316\u6578\u64da\u5eab\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u5206\u6790\u7b49\u5f85\u985e\u578b\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u8b58\u5225\u6027\u80fd\u74f6\u9838\u4e26\u63a1\u53d6\u76f8\u61c9\u7684\u63aa\u65bd\u4f86\u6539\u5584\u7cfb\u7d71\u7684\u6574\u9ad4\u6548\u7387\u3002\u7121\u8ad6\u662f\u901a\u904e\u67e5\u8a62\u512a\u5316\u3001\u786c\u9ad4\u5347\u7d1a\u9084\u662f\u8abf\u6574\u914d\u7f6e\uff0c\u638c\u63e1\u7b49\u5f85\u6a21\u578b\u7684\u77e5\u8b58\u90fd\u80fd\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406SQL Server\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\uff0c\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u7d22SQL Server\u7b49\u5f85\u6a21\u578b\uff0c\u4e86\u89e3\u5982\u4f55\u8bc6\u522b\u548c\u4f18\u5316\u6027\u80fd\u74f6\u9888\uff0c\u63d0\u9ad8\u6570\u636e\u5e93\u6548\u7387\u4e0e\u54cd\u5e94\u901f\u5ea6\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-182024","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182024","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=182024"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182024\/revisions"}],"predecessor-version":[{"id":182025,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182024\/revisions\/182025"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=182024"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=182024"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=182024"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}