{"id":66301,"date":"2024-10-14T16:18:13","date_gmt":"2024-10-14T08:18:13","guid":{"rendered":"https:\/\/server.hk\/cnblog\/66301\/"},"modified":"2024-10-14T16:18:14","modified_gmt":"2024-10-14T08:18:14","slug":"mssql%e4%b8%adlog%e6%96%87%e4%bb%b6%e6%b8%85%e7%90%86%e5%ae%8c%e7%95%a2%ef%bc%81%ef%bc%88mssql%e6%b8%85%e9%99%a4log%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/66301\/","title":{"rendered":"mssql\u4e2dLog\u6587\u4ef6\u6e05\u7406\u5b8c\u7562\uff01\uff08mssql\u6e05\u9664LOG\uff09"},"content":{"rendered":"<h1 id=\"mssql%e4%b8%adlog%e6%96%87%e4%bb%b6%e6%b8%85%e7%90%86%e5%ae%8c%e7%95%a2%ef%bc%81%ef%bc%88mssql%e6%b8%85%e9%99%a4log%ef%bc%89-IvnipvsvBM\">MSSQL\u4e2dLog\u6587\u4ef6\u6e05\u7406\u5b8c\u7562\uff01\uff08MSSQL\u6e05\u9664LOG\uff09<\/h1>\n<p>\u5728\u4f7f\u7528Microsoft SQL Server\uff08MSSQL\uff09\u9032\u884c\u6578\u64da\u7ba1\u7406\u6642\uff0cLog\u6587\u4ef6\u7684\u7ba1\u7406\u662f\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002Log\u6587\u4ef6\u8a18\u9304\u4e86\u6240\u6709\u5c0d\u6578\u64da\u5eab\u7684\u8b8a\u66f4\uff0c\u9019\u4e9b\u8b8a\u66f4\u5305\u62ec\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u64cd\u4f5c\u3002\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u9019\u4e9bLog\u6587\u4ef6\u53ef\u80fd\u6703\u8b8a\u5f97\u975e\u5e38\u9f90\u5927\uff0c\u5f71\u97ff\u7cfb\u7d71\u6027\u80fd\uff0c\u751a\u81f3\u5c0e\u81f4\u5b58\u5132\u7a7a\u9593\u4e0d\u8db3\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u6e05\u7406Log\u6587\u4ef6\u662f\u7dad\u6301\u6578\u64da\u5eab\u5065\u5eb7\u904b\u884c\u7684\u5fc5\u8981\u6b65\u9a5f\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%b8%85%e7%90%86log%e6%96%87%e4%bb%b6%ef%bc%9f-IvnipvsvBM\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u7406Log\u6587\u4ef6\uff1f<\/h2>\n<p>Log\u6587\u4ef6\u7684\u4e3b\u8981\u529f\u80fd\u662f\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u6062\u5fa9\u80fd\u529b\u3002\u7576\u6578\u64da\u5eab\u767c\u751f\u6545\u969c\u6642\uff0cLog\u6587\u4ef6\u53ef\u4ee5\u5e6b\u52a9\u6062\u5fa9\u5230\u6700\u8fd1\u7684\u72c0\u614b\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u589e\u52a0\uff0cLog\u6587\u4ef6\u7684\u5927\u5c0f\u4e5f\u6703\u96a8\u4e4b\u589e\u9577\u3002\u9019\u53ef\u80fd\u5c0e\u81f4\u4ee5\u4e0b\u554f\u984c\uff1a<\/p>\n<ul>\n<li>\u4f54\u7528\u904e\u591a\u7684\u78c1\u789f\u7a7a\u9593\u3002<\/li>\n<li>\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u5c0e\u81f4\u67e5\u8a62\u901f\u5ea6\u8b8a\u6162\u3002<\/li>\n<li>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u5eab\u7121\u6cd5\u6b63\u5e38\u904b\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b8%85%e7%90%86log%e6%96%87%e4%bb%b6%e7%9a%84%e6%ad%a5%e9%a9%9f-IvnipvsvBM\">\u6e05\u7406Log\u6587\u4ef6\u7684\u6b65\u9a5f<\/h2>\n<p>\u6e05\u7406MSSQL\u4e2d\u7684Log\u6587\u4ef6\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\u4f86\u5b8c\u6210\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%81%a2%e5%be%a9%e6%a8%a1%e5%bc%8f-IvnipvsvBM\">1. \u78ba\u8a8d\u6578\u64da\u5eab\u7684\u6062\u5fa9\u6a21\u5f0f<\/h3>\n<p>\u5728\u6e05\u7406Log\u6587\u4ef6\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u78ba\u8a8d\u6578\u64da\u5eab\u7684\u6062\u5fa9\u6a21\u5f0f\u3002MSSQL\u63d0\u4f9b\u4e86\u4e09\u7a2e\u6062\u5fa9\u6a21\u5f0f\uff1a<\/p>\n<ul>\n<li><strong>\u5b8c\u6574\u6062\u5fa9\u6a21\u5f0f\uff08Full Recovery Model\uff09<\/strong>\uff1a\u9019\u7a2e\u6a21\u5f0f\u4e0b\uff0c\u6240\u6709\u7684Log\u90fd\u6703\u88ab\u4fdd\u7559\uff0c\u76f4\u5230\u9032\u884c\u5099\u4efd\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6062\u5fa9\u6a21\u5f0f\uff08Simple Recovery Model\uff09<\/strong>\uff1a\u9019\u7a2e\u6a21\u5f0f\u4e0b\uff0cLog\u6587\u4ef6\u6703\u81ea\u52d5\u6e05\u7406\uff0c\u4e0d\u9700\u8981\u624b\u52d5\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u5927\u5bb9\u91cf\u6062\u5fa9\u6a21\u5f0f\uff08Bulk-Logged Recovery Model\uff09<\/strong>\uff1a\u9019\u7a2e\u6a21\u5f0f\u9069\u5408\u5927\u6279\u91cf\u6578\u64da\u64cd\u4f5c\uff0cLog\u6587\u4ef6\u7684\u7ba1\u7406\u8f03\u70ba\u9748\u6d3b\u3002<\/li>\n<\/ul>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u6062\u5fa9\u6a21\u5f0f\uff1a<\/p>\n<pre><code>SELECT name, recovery_model_desc \nFROM sys.databases \nWHERE name = '\u4f60\u7684\u6578\u64da\u5eab\u540d\u7a31';<\/code><\/pre>\n<h3 id=\"2-%e5%9f%b7%e8%a1%8clog%e5%82%99%e4%bb%bd%ef%bc%88%e5%a6%82%e6%9e%9c%e4%bd%bf%e7%94%a8%e5%ae%8c%e6%95%b4%e6%81%a2%e5%be%a9%e6%a8%a1%e5%bc%8f%ef%bc%89-IvnipvsvBM\">2. \u57f7\u884cLog\u5099\u4efd\uff08\u5982\u679c\u4f7f\u7528\u5b8c\u6574\u6062\u5fa9\u6a21\u5f0f\uff09<\/h3>\n<p>\u5982\u679c\u6578\u64da\u5eab\u4f7f\u7528\u7684\u662f\u5b8c\u6574\u6062\u5fa9\u6a21\u5f0f\uff0c\u5247\u9700\u8981\u5b9a\u671f\u57f7\u884cLog\u5099\u4efd\u3002\u9019\u6a23\u53ef\u4ee5\u91cb\u653eLog\u6587\u4ef6\u4e2d\u7684\u7a7a\u9593\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u57f7\u884cLog\u5099\u4efd\uff1a<\/p>\n<pre><code>BACKUP LOG \u4f60\u7684\u6578\u64da\u5eab\u540d\u7a31 \nTO DISK = 'C:Backup\u4f60\u7684\u6578\u64da\u5eab\u540d\u7a31_log.bak';<\/code><\/pre>\n<h3 id=\"3-%e6%94%b6%e7%b8%aelog%e6%96%87%e4%bb%b6-IvnipvsvBM\">3. \u6536\u7e2eLog\u6587\u4ef6<\/h3>\n<p>\u5728\u57f7\u884cLog\u5099\u4efd\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u6536\u7e2eLog\u6587\u4ef6\uff1a<\/p>\n<pre><code>DBCC SHRINKFILE (\u4f60\u7684\u6578\u64da\u5eab\u540d\u7a31_log, 1);<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u6703\u5c07Log\u6587\u4ef6\u7684\u5927\u5c0f\u7e2e\u5c0f\u5230\u6700\u5c0f\u503c\uff0c\u91cb\u653e\u672a\u4f7f\u7528\u7684\u7a7a\u9593\u3002<\/p>\n<h3 id=\"4-%e7%9b%a3%e6%8e%a7log%e6%96%87%e4%bb%b6%e7%9a%84%e5%a4%a7%e5%b0%8f-IvnipvsvBM\">4. \u76e3\u63a7Log\u6587\u4ef6\u7684\u5927\u5c0f<\/h3>\n<p>\u6e05\u7406Log\u6587\u4ef6\u5f8c\uff0c\u5efa\u8b70\u5b9a\u671f\u76e3\u63a7Log\u6587\u4ef6\u7684\u5927\u5c0f\uff0c\u4ee5\u78ba\u4fdd\u5176\u4e0d\u6703\u518d\u6b21\u904e\u5ea6\u589e\u9577\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u67e5\u770bLog\u6587\u4ef6\u7684\u5927\u5c0f\uff1a<\/p>\n<pre><code>EXEC sp_spaceused; <\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-IvnipvsvBM\">\u7e3d\u7d50<\/h2>\n<p>\u6e05\u7406MSSQL\u4e2d\u7684Log\u6587\u4ef6\u662f\u4e00\u500b\u91cd\u8981\u7684\u7dad\u8b77\u4efb\u52d9\uff0c\u53ef\u4ee5\u5e6b\u52a9\u4fdd\u6301\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u901a\u904e\u78ba\u8a8d\u6062\u5fa9\u6a21\u5f0f\u3001\u57f7\u884cLog\u5099\u4efd\u3001\u6536\u7e2eLog\u6587\u4ef6\u4ee5\u53ca\u5b9a\u671f\u76e3\u63a7Log\u6587\u4ef6\u7684\u5927\u5c0f\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406Log\u6587\u4ef6\uff0c\u907f\u514d\u6f5b\u5728\u7684\u554f\u984c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u7528\u6236\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u5176\u4ed6\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u5c07\u6709\u52a9\u65bc\u63d0\u5347\u60a8\u7684\u696d\u52d9\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728MSSQL\u4e2d\u6709\u6548\u6e05\u7406\u65e5\u5fd7\u6587\u4ef6\uff0c\u91ca\u653e\u5b58\u50a8\u7a7a\u95f4\uff0c\u4f18\u5316\u6570\u636e\u5e93\u6027\u80fd\uff0c\u786e\u4fdd\u7cfb\u7edf\u8fd0\u884c\u987a\u7545\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-66301","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66301","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=66301"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66301\/revisions"}],"predecessor-version":[{"id":66302,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66301\/revisions\/66302"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=66301"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=66301"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=66301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}