{"id":180194,"date":"2024-11-09T08:11:18","date_gmt":"2024-11-09T00:11:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/180194\/"},"modified":"2024-11-09T08:11:19","modified_gmt":"2024-11-09T00:11:19","slug":"%e5%88%aa%e9%99%a4%e9%be%90%e5%a4%a7%e7%9a%84mysql-binlog%e5%af%a6%e6%93%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/180194\/","title":{"rendered":"\u522a\u9664\u9f90\u5927\u7684MySQL binlog\u5be6\u64cd"},"content":{"rendered":"<h1 id=\"%e5%88%aa%e9%99%a4%e9%be%90%e5%a4%a7%e7%9a%84mysql-binlog%e5%af%a6%e6%93%8d-MrlvDzyhMj\">\u522a\u9664\u9f90\u5927\u7684MySQL binlog\u5be6\u64cd<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\uff0c\u4e8c\u9032\u5236\u65e5\u8a8c\uff08binlog\uff09\u662f\u975e\u5e38\u91cd\u8981\u7684\u7d44\u4ef6\u3002\u5b83\u8a18\u9304\u4e86\u6240\u6709\u66f4\u6539\u6578\u64da\u5eab\u7684\u64cd\u4f5c\uff0c\u9019\u5c0d\u65bc\u6578\u64da\u6062\u5fa9\u548c\u8907\u88fd\u975e\u5e38\u6709\u7528\u3002\u7136\u800c\uff0c\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u9019\u4e9b\u65e5\u8a8c\u6587\u4ef6\u53ef\u80fd\u6703\u8b8a\u5f97\u9f90\u5927\uff0c\u4f54\u7528\u5927\u91cf\u7684\u78c1\u789f\u7a7a\u9593\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684binlog\u6587\u4ef6\u662f\u7dad\u8b77\u6578\u64da\u5eab\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9a5f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afmysql-binlog%ef%bc%9f-MrlvDzyhMj\">\u4ec0\u9ebc\u662fMySQL binlog\uff1f<\/h2>\n<p>MySQL\u7684\u4e8c\u9032\u5236\u65e5\u8a8c\uff08binlog\uff09\u662f\u4e00\u7a2e\u8a18\u9304\u6240\u6709\u66f4\u6539\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u65e5\u8a8c\u6587\u4ef6\u3002\u9019\u4e9b\u64cd\u4f5c\u5305\u62ecINSERT\u3001UPDATE\u548cDELETE\u7b49\u3002binlog\u7684\u4e3b\u8981\u7528\u9014\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6578\u64da\u6062\u5fa9\uff1a\u5728\u7cfb\u7d71\u5d29\u6f70\u6216\u6578\u64da\u640d\u58de\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u901a\u904ebinlog\u6062\u5fa9\u6578\u64da\u3002<\/li>\n<li>\u6578\u64da\u8907\u88fd\uff1a\u5728\u4e3b\u5f9e\u8907\u88fd\u67b6\u69cb\u4e2d\uff0c\u5f9e\u4f3a\u670d\u5668\u901a\u904ebinlog\u7372\u53d6\u4e3b\u4f3a\u670d\u5668\u7684\u6578\u64da\u8b8a\u66f4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e5%88%aa%e9%99%a4binlog%ef%bc%9f-MrlvDzyhMj\">\u70ba\u4ec0\u9ebc\u9700\u8981\u522a\u9664binlog\uff1f<\/h2>\n<p>\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0cbinlog\u6587\u4ef6\u6703\u4e0d\u65b7\u589e\u9577\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u4ee5\u4e0b\u554f\u984c\uff1a<\/p>\n<ul>\n<li>\u78c1\u789f\u7a7a\u9593\u4e0d\u8db3\uff1a\u904e\u591a\u7684binlog\u6587\u4ef6\u6703\u4f54\u7528\u5927\u91cf\u7684\u78c1\u789f\u7a7a\u9593\uff0c\u5f71\u97ff\u4f3a\u670d\u5668\u7684\u6027\u80fd\u3002<\/li>\n<li>\u7ba1\u7406\u56f0\u96e3\uff1a\u5927\u91cf\u7684binlog\u6587\u4ef6\u6703\u4f7f\u5f97\u7ba1\u7406\u548c\u67e5\u627e\u7279\u5b9a\u65e5\u8a8c\u8b8a\u5f97\u56f0\u96e3\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%88%aa%e9%99%a4binlog%e7%9a%84%e6%ad%a5%e9%a9%9f-MrlvDzyhMj\">\u522a\u9664binlog\u7684\u6b65\u9a5f<\/h2>\n<p>\u4ee5\u4e0b\u662f\u522a\u9664MySQL binlog\u7684\u5177\u9ad4\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e7%95%b6%e5%89%8d%e7%9a%84binlog%e6%96%87%e4%bb%b6-MrlvDzyhMj\">1. \u6aa2\u67e5\u7576\u524d\u7684binlog\u6587\u4ef6<\/h3>\n<pre><code>SHOW BINARY LOGS;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u986f\u793a\u7576\u524d\u6240\u6709\u7684binlog\u6587\u4ef6\u53ca\u5176\u5927\u5c0f\u3002\u6839\u64da\u9019\u4e9b\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u6c7a\u5b9a\u54ea\u4e9b\u6587\u4ef6\u53ef\u4ee5\u88ab\u522a\u9664\u3002<\/p>\n<h3 id=\"2-%e8%a8%ad%e5%ae%9abinlog%e7%9a%84%e4%bf%9d%e7%95%99%e6%99%82%e9%96%93-MrlvDzyhMj\">2. \u8a2d\u5b9abinlog\u7684\u4fdd\u7559\u6642\u9593<\/h3>\n<p>\u60a8\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6eMySQL\u7684\u914d\u7f6e\u6587\u4ef6\u4f86\u81ea\u52d5\u522a\u9664\u904e\u671f\u7684binlog\u6587\u4ef6\u3002\u7de8\u8f2fMySQL\u7684\u914d\u7f6e\u6587\u4ef6\uff08\u901a\u5e38\u662fmy.cnf\u6216my.ini\uff09\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/p>\n<pre><code>[mysqld]\nexpire_logs_days = 7<\/code><\/pre>\n<p>\u9019\u6a23\u8a2d\u7f6e\u5f8c\uff0cMySQL\u5c07\u81ea\u52d5\u522a\u9664\u8d85\u904e7\u5929\u7684binlog\u6587\u4ef6\u3002<\/p>\n<h3 id=\"3-%e6%89%8b%e5%8b%95%e5%88%aa%e9%99%a4binlog%e6%96%87%e4%bb%b6-MrlvDzyhMj\">3. \u624b\u52d5\u522a\u9664binlog\u6587\u4ef6<\/h3>\n<p>\u5982\u679c\u60a8\u9700\u8981\u7acb\u5373\u522a\u9664\u67d0\u4e9bbinlog\u6587\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>PURGE BINARY LOGS TO 'mysql-bin.000010';<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u522a\u9664\u6240\u6709\u5728\u6307\u5b9abinlog\u6587\u4ef6\u4e4b\u524d\u7684\u6240\u6709binlog\u6587\u4ef6\u3002\u60a8\u4e5f\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u522a\u9664\u7279\u5b9a\u65e5\u671f\u4e4b\u524d\u7684\u6240\u6709binlog\uff1a<\/p>\n<pre><code>PURGE BINARY LOGS BEFORE '2023-10-01 00:00:00';<\/code><\/pre>\n<h3 id=\"4-%e7%a2%ba%e8%aa%8d%e5%88%aa%e9%99%a4%e7%b5%90%e6%9e%9c-MrlvDzyhMj\">4. \u78ba\u8a8d\u522a\u9664\u7d50\u679c<\/h3>\n<p>\u518d\u6b21\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\u4ee5\u78ba\u8a8dbinlog\u6587\u4ef6\u5df2\u88ab\u6210\u529f\u522a\u9664\uff1a<\/p>\n<pre><code>SHOW BINARY LOGS;<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-MrlvDzyhMj\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u522a\u9664binlog\u6587\u4ef6\u4e4b\u524d\uff0c\u8acb\u78ba\u4fdd\u9019\u4e9b\u6587\u4ef6\u4e0d\u518d\u88ab\u9700\u8981\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528\u4e3b\u5f9e\u8907\u88fd\u7684\u74b0\u5883\u4e2d\u3002\u6b64\u5916\uff0c\u5efa\u8b70\u5b9a\u671f\u5099\u4efd\u6578\u64da\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u6578\u64da\u4e1f\u5931\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-MrlvDzyhMj\">\u7e3d\u7d50<\/h2>\n<p>\u5b9a\u671f\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684MySQL binlog\u6587\u4ef6\u662f\u7dad\u8b77\u6578\u64da\u5eab\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u8a2d\u7f6e\u81ea\u52d5\u904e\u671f\u548c\u624b\u52d5\u522a\u9664\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u7ba1\u7406binlog\u6587\u4ef6\uff0c\u907f\u514d\u4f54\u7528\u904e\u591a\u7684\u78c1\u789f\u7a7a\u9593\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u89e3\u6c7a\u65b9\u6848\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u548c<a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u522a\u9664\u9f90\u5927\u7684MySQL binlog\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\uff0c\u78ba\u4fdd\u7cfb\u7d71\u904b\u884c\u6d41\u66a2\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5b58\u5132\u6d6a\u8cbb\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-180194","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180194","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=180194"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180194\/revisions"}],"predecessor-version":[{"id":180195,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180194\/revisions\/180195"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=180194"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=180194"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=180194"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}