{"id":136363,"date":"2024-10-31T11:18:24","date_gmt":"2024-10-31T03:18:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/136363\/"},"modified":"2024-10-31T11:18:25","modified_gmt":"2024-10-31T03:18:25","slug":"sql-server-2008%e5%85%a7%e5%ad%98%e5%8f%8ai-o%e6%80%a7%e8%83%bd%e7%9b%a3%e6%8e%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/136363\/","title":{"rendered":"SQL Server 2008\u5167\u5b58\u53caI\/O\u6027\u80fd\u76e3\u63a7"},"content":{"rendered":"<h1 id=\"sql-server-2008%e5%85%a7%e5%ad%98%e5%8f%8ai-o%e6%80%a7%e8%83%bd%e7%9b%a3%e6%8e%a7-RQbLwWGLwN\">SQL Server 2008\u5167\u5b58\u53caI\/O\u6027\u80fd\u76e3\u63a7<\/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\u3002SQL Server 2008\u4f5c\u70ba\u4e00\u6b3e\u6210\u719f\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u548c\u6280\u8853\u4f86\u76e3\u63a7\u5167\u5b58\u53caI\/O\u6027\u80fd\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u76e3\u63a7SQL Server 2008\u7684\u5167\u5b58\u548cI\/O\u6027\u80fd\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u9ad8\u6548\u904b\u884c\u3002<\/p>\n<h2 id=\"%e5%85%a7%e5%ad%98%e6%80%a7%e8%83%bd%e7%9b%a3%e6%8e%a7-RQbLwWGLwN\">\u5167\u5b58\u6027\u80fd\u76e3\u63a7<\/h2>\n<p>\u5167\u5b58\u662fSQL Server\u6027\u80fd\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002SQL Server\u4f7f\u7528\u5167\u5b58\u4f86\u5b58\u5132\u6578\u64da\u9801\u3001\u57f7\u884c\u8a08\u5283\u548c\u7de9\u5b58\u67e5\u8a62\u7d50\u679c\u3002\u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u6027\u80fd\u74f6\u9838\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u76e3\u63a7\u5167\u5b58\u6027\u80fd\u7684\u5e38\u7528\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528Performance Monitor\uff1a<\/strong>Windows\u7684Performance Monitor\u5de5\u5177\u53ef\u4ee5\u7528\u4f86\u76e3\u63a7SQL Server\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3002\u53ef\u4ee5\u6dfb\u52a0\u4ee5\u4e0b\u8a08\u6578\u5668\u4f86\u7372\u53d6\u6709\u95dc\u5167\u5b58\u7684\u8a73\u7d30\u4fe1\u606f\uff1a\n<ul>\n<li><code>SQLServer:Memory ManagerTotal Server Memory (KB)<\/code>\uff1a\u986f\u793aSQL Server\u7576\u524d\u4f7f\u7528\u7684\u7e3d\u5167\u5b58\u3002<\/li>\n<li><code>SQLServer:Memory ManagerTarget Server Memory (KB)<\/code>\uff1a\u986f\u793aSQL Server\u671f\u671b\u4f7f\u7528\u7684\u5167\u5b58\u91cf\u3002<\/li>\n<li><code>SQLServer:Buffer ManagerBuffer cache hit ratio<\/code>\uff1a\u986f\u793a\u7de9\u5b58\u547d\u4e2d\u7387\uff0c\u53cd\u6620\u5167\u5b58\u7684\u6709\u6548\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u67e5\u8a62\u52d5\u614b\u7ba1\u7406\u8996\u5716\uff1a<\/strong>SQL Server\u63d0\u4f9b\u4e86\u591a\u500b\u52d5\u614b\u7ba1\u7406\u8996\u5716\uff08DMV\uff09\u4f86\u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3002\u4f8b\u5982\uff1a\n<pre><code>SELECT \n            (physical_memory_in_use_kb \/ 1024) AS MemoryUsedMB,\n            (large_page_allocations_kb \/ 1024) AS LargePageAllocationsMB,\n            (virtual_memory_committed_kb \/ 1024) AS VirtualMemoryCommittedMB\n        FROM sys.dm_os_process_memory;<\/code><\/pre>\n<\/li>\n<\/ul>\n<h2 id=\"i-o%e6%80%a7%e8%83%bd%e7%9b%a3%e6%8e%a7-RQbLwWGLwN\">I\/O\u6027\u80fd\u76e3\u63a7<\/h2>\n<p>I\/O\u6027\u80fd\u540c\u6a23\u5c0d\u65bcSQL Server\u7684\u6574\u9ad4\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002I\/O\u64cd\u4f5c\u7684\u5ef6\u9072\u6703\u76f4\u63a5\u5f71\u97ff\u67e5\u8a62\u7684\u97ff\u61c9\u6642\u9593\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u76e3\u63a7I\/O\u6027\u80fd\u7684\u6709\u6548\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528Performance Monitor\uff1a<\/strong>\u53ef\u4ee5\u901a\u904ePerformance Monitor\u4f86\u76e3\u63a7I\/O\u6027\u80fd\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u8a08\u6578\u5668\uff1a\n<ul>\n<li><code>SQLServer:Databases(*)Log Flush Waits<\/code>\uff1a\u986f\u793a\u65e5\u8a8c\u5237\u65b0\u7b49\u5f85\u7684\u6b21\u6578\u3002<\/li>\n<li><code>SQLServer:Databases(*)Disk Reads\/sec<\/code>\uff1a\u986f\u793a\u6bcf\u79d2\u7684\u78c1\u789f\u8b80\u53d6\u6b21\u6578\u3002<\/li>\n<li><code>SQLServer:Databases(*)Disk Writes\/sec<\/code>\uff1a\u986f\u793a\u6bcf\u79d2\u7684\u78c1\u789f\u5beb\u5165\u6b21\u6578\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u67e5\u8a62\u52d5\u614b\u7ba1\u7406\u8996\u5716\uff1a<\/strong>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u7372\u53d6I\/O\u6027\u80fd\u7684\u8a73\u7d30\u4fe1\u606f\uff1a\n<pre><code>SELECT \n            DB_NAME(database_id) AS DatabaseName,\n            num_of_reads,\n            num_of_bytes_read,\n            num_of_writes,\n            num_of_bytes_written\n        FROM sys.dm_io_virtual_file_stats(NULL, NULL);<\/code><\/pre>\n<\/li>\n<\/ul>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-RQbLwWGLwN\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u70ba\u4e86\u78ba\u4fddSQL Server 2008\u7684\u5167\u5b58\u548cI\/O\u6027\u80fd\u9054\u5230\u6700\u4f73\u72c0\u614b\uff0c\u5efa\u8b70\u9075\u5faa\u4ee5\u4e0b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li>\u5b9a\u671f\u76e3\u63a7\u5167\u5b58\u548cI\/O\u6027\u80fd\uff0c\u53ca\u6642\u767c\u73fe\u554f\u984c\u3002<\/li>\n<li>\u512a\u5316\u67e5\u8a62\uff0c\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684I\/O\u64cd\u4f5c\u3002<\/li>\n<li>\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7d22\u5f15\u8a2d\u7f6e\u5408\u7406\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<li>\u5b9a\u671f\u9032\u884c\u6578\u64da\u5eab\u7dad\u8b77\uff0c\u5982\u91cd\u5efa\u7d22\u5f15\u548c\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-RQbLwWGLwN\">\u7e3d\u7d50<\/h2>\n<p>\u76e3\u63a7SQL Server 2008\u7684\u5167\u5b58\u53caI\/O\u6027\u80fd\u662f\u78ba\u4fdd\u6578\u64da\u5eab\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002\u901a\u904e\u4f7f\u7528Performance Monitor\u548c\u52d5\u614b\u7ba1\u7406\u8996\u5716\uff0c\u7ba1\u7406\u54e1\u53ef\u4ee5\u7372\u53d6\u6709\u95dc\u5167\u5b58\u548cI\/O\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u53ca\u6642\u8b58\u5225\u4e26\u89e3\u6c7a\u6027\u80fd\u74f6\u9838\u3002\u9075\u5faa\u6700\u4f73\u5be6\u8e10\u5c07\u6709\u52a9\u65bc\u9032\u4e00\u6b65\u63d0\u5347\u6578\u64da\u5eab\u7684\u6027\u80fd\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\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3SQL Server 2008\u7684\u5167\u5b58\u53caI\/O\u6027\u80fd\u76e3\u63a7\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6548\u80fd\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u904b\u884c\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-136363","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/136363","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=136363"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/136363\/revisions"}],"predecessor-version":[{"id":136364,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/136363\/revisions\/136364"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=136363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=136363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=136363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}