{"id":174423,"date":"2024-11-07T21:44:22","date_gmt":"2024-11-07T13:44:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/174423\/"},"modified":"2024-11-07T21:44:23","modified_gmt":"2024-11-07T13:44:23","slug":"%e5%a6%82%e4%bd%95%e9%80%b2%e8%a1%8c2023%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e6%94%b6%e7%b8%ae%e6%93%8d%e4%bd%9c-2023%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e6%94%b6%e7%b8%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/174423\/","title":{"rendered":"\u5982\u4f55\u9032\u884c2023\u6578\u64da\u5eab\u8868\u6536\u7e2e\u64cd\u4f5c (2023\u6578\u64da\u5eab\u8868\u6536\u7e2e)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e9%80%b2%e8%a1%8c2023%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e6%94%b6%e7%b8%ae%e6%93%8d%e4%bd%9c-2023%e6%95%b8%e6%93%9a%e5%ba%ab%e8%a1%a8%e6%94%b6%e7%b8%ae-SpxchSzDPU\">\u5982\u4f55\u9032\u884c2023\u6578\u64da\u5eab\u8868\u6536\u7e2e\u64cd\u4f5c (2023\u6578\u64da\u5eab\u8868\u6536\u7e2e)<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u8868\u7684\u6536\u7e2e\u64cd\u4f5c\u662f\u4e00\u500b\u91cd\u8981\u7684\u7dad\u8b77\u4efb\u52d9\u3002\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u6578\u64da\u5eab\u8868\u53ef\u80fd\u6703\u56e0\u70ba\u522a\u9664\u6578\u64da\u6216\u66f4\u65b0\u64cd\u4f5c\u800c\u7522\u751f\u7a7a\u9593\u6d6a\u8cbb\u3002\u9019\u4e0d\u50c5\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u5b58\u5132\u6210\u672c\u7684\u589e\u52a0\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u9032\u884c\u6578\u64da\u5eab\u8868\u7684\u6536\u7e2e\u64cd\u4f5c\u662f\u6bcf\u4f4d\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u5fc5\u9808\u638c\u63e1\u7684\u6280\u80fd\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e9%80%b2%e8%a1%8c%e8%a1%a8%e6%94%b6%e7%b8%ae%ef%bc%9f-SpxchSzDPU\">\u70ba\u4ec0\u9ebc\u9700\u8981\u9032\u884c\u8868\u6536\u7e2e\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u8868\u6536\u7e2e\u7684\u4e3b\u8981\u76ee\u7684\u662f\u91cb\u653e\u672a\u4f7f\u7528\u7684\u7a7a\u9593\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u7576\u6578\u64da\u88ab\u522a\u9664\u6216\u66f4\u65b0\u6642\uff0c\u539f\u672c\u4f54\u7528\u7684\u7a7a\u9593\u4e0d\u6703\u81ea\u52d5\u91cb\u653e\uff0c\u9019\u6703\u5c0e\u81f4\u8868\u7684\u5927\u5c0f\u4e0d\u65b7\u589e\u9577\u3002\u9019\u6a23\u7684\u60c5\u6cc1\u53ef\u80fd\u6703\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\uff0c\u589e\u52a0\u5099\u4efd\u548c\u6062\u5fa9\u7684\u6642\u9593\uff0c\u751a\u81f3\u5c0e\u81f4\u5b58\u5132\u8cc7\u6e90\u7684\u6d6a\u8cbb\u3002<\/p>\n<h2 id=\"%e6%94%b6%e7%b8%ae%e6%93%8d%e4%bd%9c%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%ad%a5%e9%a9%9f-SpxchSzDPU\">\u6536\u7e2e\u64cd\u4f5c\u7684\u57fa\u672c\u6b65\u9a5f<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u8868\u6536\u7e2e\u4e4b\u524d\uff0c\u5efa\u8b70\u5148\u9032\u884c\u6578\u64da\u5eab\u7684\u5b8c\u6574\u5099\u4efd\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u6578\u64da\u4e1f\u5931\u3002\u4ee5\u4e0b\u662f\u9032\u884c\u8868\u6536\u7e2e\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e9%9c%80%e8%a6%81%e6%94%b6%e7%b8%ae%e7%9a%84%e8%a1%a8-SpxchSzDPU\">1. \u78ba\u8a8d\u9700\u8981\u6536\u7e2e\u7684\u8868<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u78ba\u5b9a\u54ea\u4e9b\u8868\u9700\u8981\u9032\u884c\u6536\u7e2e\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u6aa2\u67e5\u8868\u7684\u5927\u5c0f\uff1a<\/p>\n<pre><code>SELECT \n    t.NAME AS TableName,\n    p.rows AS RowCounts,\n    SUM(a.total_pages) * 8 AS TotalSpaceKB,\n    SUM(a.used_pages) * 8 AS UsedSpaceKB,\n    (SUM(a.total_pages) - SUM(a.used_pages)) * 8 AS UnusedSpaceKB\nFROM \n    sys.tables t\nINNER JOIN      \n    sys.indexes i ON t.object_id = i.object_id\nINNER JOIN \n    sys.partitions p ON i.object_id = p.object_id AND i.index_id = p.index_id\nINNER JOIN \n    sys.allocation_units a ON p.partition_id = a.container_id\nWHERE \n    t.is_ms_shipped = 0 AND i.type &lt;= 1\nGROUP BY \n    t.Name, p.Rows\nORDER BY \n    TotalSpaceKB DESC;<\/code><\/pre>\n<h3 id=\"2-%e5%9f%b7%e8%a1%8c%e6%94%b6%e7%b8%ae%e6%93%8d%e4%bd%9c-SpxchSzDPU\">2. \u57f7\u884c\u6536\u7e2e\u64cd\u4f5c<\/h3>\n<p>\u4e00\u65e6\u78ba\u5b9a\u4e86\u9700\u8981\u6536\u7e2e\u7684\u8868\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u547d\u4ee4\u4f86\u57f7\u884c\u6536\u7e2e\u64cd\u4f5c\uff1a<\/p>\n<pre><code>DBCC SHRINKTABLE (TableName, target_percent);<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>TableName<\/code>\u662f\u60a8\u8981\u6536\u7e2e\u7684\u8868\u7684\u540d\u7a31\uff0c\u800c<code>target_percent<\/code>\u662f\u60a8\u5e0c\u671b\u4fdd\u7559\u7684\u7a7a\u9593\u767e\u5206\u6bd4\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u5e0c\u671b\u4fdd\u755910%\u7684\u7a7a\u9593\uff0c\u53ef\u4ee5\u5c07<code>target_percent<\/code>\u8a2d\u7f6e\u70ba10\u3002<\/p>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e6%94%b6%e7%b8%ae%e7%b5%90%e6%9e%9c-SpxchSzDPU\">3. \u6aa2\u67e5\u6536\u7e2e\u7d50\u679c<\/h3>\n<p>\u6536\u7e2e\u64cd\u4f5c\u5b8c\u6210\u5f8c\uff0c\u5efa\u8b70\u518d\u6b21\u57f7\u884c\u7b2c\u4e00\u6b65\u7684\u67e5\u8a62\uff0c\u4ee5\u6aa2\u67e5\u8868\u7684\u5927\u5c0f\u548c\u7a7a\u9593\u4f7f\u7528\u60c5\u6cc1\uff0c\u78ba\u4fdd\u6536\u7e2e\u64cd\u4f5c\u5df2\u6210\u529f\u57f7\u884c\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-SpxchSzDPU\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u6536\u7e2e\u64cd\u4f5c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u7279\u5225\u662f\u5728\u9ad8\u8ca0\u8f09\u7684\u74b0\u5883\u4e2d\uff0c\u56e0\u6b64\u5efa\u8b70\u5728\u4f4e\u5cf0\u6642\u6bb5\u9032\u884c\u3002<\/li>\n<li>\u983b\u7e41\u7684\u6536\u7e2e\u64cd\u4f5c\u53ef\u80fd\u6703\u5c0e\u81f4\u788e\u7247\u5316\uff0c\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\uff0c\u56e0\u6b64\u61c9\u8b39\u614e\u4f7f\u7528\u3002<\/li>\n<li>\u5728\u9032\u884c\u6536\u7e2e\u64cd\u4f5c\u4e4b\u524d\uff0c\u52d9\u5fc5\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u60c5\u6cc1\u767c\u751f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-SpxchSzDPU\">\u7d50\u8ad6<\/h2>\n<p>\u6578\u64da\u5eab\u8868\u7684\u6536\u7e2e\u64cd\u4f5c\u662f\u4e00\u9805\u91cd\u8981\u7684\u7dad\u8b77\u4efb\u52d9\uff0c\u53ef\u4ee5\u5e6b\u52a9\u91cb\u653e\u672a\u4f7f\u7528\u7684\u7a7a\u9593\uff0c\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002\u5728\u9032\u884c\u6536\u7e2e\u64cd\u4f5c\u6642\uff0c\u52d9\u5fc5\u9075\u5faa\u6b63\u78ba\u7684\u6b65\u9a5f\u4e26\u6ce8\u610f\u76f8\u95dc\u7684\u6ce8\u610f\u4e8b\u9805\uff0c\u4ee5\u78ba\u4fdd\u64cd\u4f5c\u7684\u6210\u529f\u548c\u6578\u64da\u7684\u5b89\u5168\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u6578\u64da\u5eab\u7ba1\u7406\u548c\u5176\u4ed6\u6280\u8853\u652f\u6301\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u6211\u5011\u63d0\u4f9b\u5404\u7a2e <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u60a8\u7684\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u57282023\u5e74\u6709\u6548\u9032\u884c\u6578\u64da\u5eab\u8868\u6536\u7e2e\u64cd\u4f5c\uff0c\u63d0\u5347\u6027\u80fd\u4e26\u91cb\u653e\u7a7a\u9593\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u904b\u884c\u9806\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-174423","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174423","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=174423"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174423\/revisions"}],"predecessor-version":[{"id":174424,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174423\/revisions\/174424"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=174423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=174423"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=174423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}