{"id":323,"date":"2026-02-03T16:59:30","date_gmt":"2026-02-03T08:59:30","guid":{"rendered":"http:\/\/47.100.165.17\/wordpress\/?p=323"},"modified":"2026-03-02T22:43:38","modified_gmt":"2026-03-02T14:43:38","slug":"%e3%80%90mysql%e3%80%91binlog%e7%9a%84%e6%b8%85%e9%99%a4%e7%ad%96%e7%95%a5","status":"publish","type":"post","link":"https:\/\/yunyanglib.cn\/?p=323","title":{"rendered":"\u3010MySQL\u3011Binlog\u6e05\u9664\u7b56\u7565\uff1a3\u79cd\u5b9e\u7528\u65b9\u6cd5+\u907f\u5751\u6307\u5357"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">MySQL \u7684 Binlog\uff08\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff09\u662f\u6838\u5fc3\u65e5\u5fd7\u4e4b\u4e00\uff0c\u8bb0\u5f55\u4e86\u6570\u636e\u5e93\u6240\u6709 DDL \u548c DML \u64cd\u4f5c\uff0c\u5e38\u7528\u4e8e\u6570\u636e\u6062\u590d\u3001\u4e3b\u4ece\u540c\u6b65\u7b49\u573a\u666f\u3002\u4f46 Binlog \u6587\u4ef6\u4f1a\u6301\u7eed\u5360\u7528\u78c1\u76d8\u7a7a\u95f4\uff0c\u82e5\u4e0d\u53ca\u65f6\u6e05\u7406\uff0c\u53ef\u80fd\u5bfc\u81f4\u78c1\u76d8\u7206\u6ee1\u5f15\u53d1\u670d\u52a1\u6545\u969c\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd 3 \u79cd\u5b89\u5168\u9ad8\u6548\u7684 Binlog \u6e05\u9664\u65b9\u5f0f\uff0c\u53ca\u5b9e\u64cd\u4e2d\u7684\u5173\u952e\u6ce8\u610f\u4e8b\u9879\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"tonW0\">\u4e00\u3001\u4e09\u79cd\u6838\u5fc3\u6e05\u9664\u65b9\u5f0f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"H5U21\">\u65b9\u5f0f 1\uff1a\u81ea\u52a8\u6e05\u9664\uff08\u63a8\u8350\u65b9\u6848\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"u4346ac12\">\u901a\u8fc7\u914d\u7f6e Binlog \u4fdd\u7559\u65f6\u95f4\uff0c\u8ba9 MySQL \u81ea\u52a8\u5220\u9664\u8fc7\u671f\u65e5\u5fd7\uff0c\u65e0\u9700\u624b\u52a8\u5e72\u9884\uff0c\u5b89\u5168\u53ef\u63a7\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u64cd\u4f5c\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u67e5\u770b\u5f53\u524d\u4fdd\u7559\u65f6\u95f4\u914d\u7f6e<\/strong><\/li>\n<\/ol>\n\n\n\n<pre id=\"BRz3t\" class=\"wp-block-code\"><code>-- \u67e5\u770b\u4fdd\u7559\u5929\u6570\uff08MySQL 8.0+ \u5df2\u9010\u6b65\u5e9f\u5f03\uff0c\u4e0d\u63a8\u8350\u4f9d\u8d56\uff09\nshow global variables like \"expire_logs_days\";\n\n-- \u67e5\u770b\u4fdd\u7559\u79d2\u6570\uff08\u63a8\u8350\u4f7f\u7528\uff0cMySQL 8.0+ \u9ed8\u8ba4\u542f\u7528\uff09\nshow global variables like \"binlog_expire_logs_seconds\";<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"877\" height=\"341\" src=\"http:\/\/47.100.165.17\/wordpress\/wp-content\/uploads\/2026\/02\/image-28.png\" alt=\"\" class=\"wp-image-328\" srcset=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/02\/image-28.png 877w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/02\/image-28-300x117.png 300w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/02\/image-28-768x299.png 768w\" sizes=\"(max-width: 877px) 100vw, 877px\" \/><\/figure>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u52a8\u6001\u8c03\u6574\u4fdd\u7559\u65f6\u95f4\uff08\u793a\u4f8b\uff1a\u4fdd\u7559 7 \u5929\uff09<\/strong><\/li>\n<\/ol>\n\n\n\n<pre id=\"TmngQ\" class=\"wp-block-code\"><code>-- \u5148\u5c06\u5929\u6570\u53c2\u6570\u8bbe\u4e3a0\uff0c\u907f\u514d\u4e0e\u79d2\u6570\u53c2\u6570\u51b2\u7a81\nset global expire_logs_days = 0;\n\n-- \u8ba1\u7b977\u5929\u7684\u603b\u79d2\u6570\uff1a7*24*60*60 = 604800 \u79d2\nset global binlog_expire_logs_seconds = 604800;<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"934\" height=\"458\" src=\"http:\/\/47.100.165.17\/wordpress\/wp-content\/uploads\/2026\/02\/image-29.png\" alt=\"\" class=\"wp-image-329\" srcset=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/02\/image-29.png 934w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/02\/image-29-300x147.png 300w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/02\/image-29-768x377.png 768w\" sizes=\"(max-width: 934px) 100vw, 934px\" \/><\/figure>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u624b\u52a8\u89e6\u53d1\u6e05\u9664\uff08\u53ef\u9009\uff09<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ed8\u8ba4\u60c5\u51b5\u4e0b MySQL \u4f1a\u5b9a\u671f\u68c0\u67e5\u5e76\u5220\u9664\u8fc7\u671f\u65e5\u5fd7\uff0c\u82e5\u9700\u7acb\u5373\u6267\u884c\uff1a<\/p>\n\n\n\n<pre id=\"M7hOr\" class=\"wp-block-code\"><code>flush logs;  -- \u5207\u6362\u65b0\u7684Binlog\u6587\u4ef6\uff0c\u89e6\u53d1\u65e7\u65e5\u5fd7\u6e05\u7406<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"846\" height=\"422\" src=\"http:\/\/47.100.165.17\/wordpress\/wp-content\/uploads\/2026\/02\/image-30.png\" alt=\"\" class=\"wp-image-330\" srcset=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/02\/image-30.png 846w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/02\/image-30-300x150.png 300w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/02\/image-30-768x383.png 768w\" sizes=\"(max-width: 846px) 100vw, 846px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"caKgz\">\u65b9\u5f0f 2\uff1a\u5220\u9664\u6307\u5b9a\u6587\u4ef6\u4e4b\u524d\u7684\u65e5\u5fd7<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ubc5bd38e\">\u7cbe\u51c6\u63a7\u5236\u4fdd\u7559\u8303\u56f4\uff0c\u9002\u7528\u4e8e\u9700\u4fdd\u7559\u7279\u5b9a Binlog \u6587\u4ef6\u7684\u573a\u666f\uff08\u5982\u67d0\u65f6\u95f4\u70b9\u540e\u7684\u65e5\u5fd7\u9700\u7528\u4e8e\u6062\u590d\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u64cd\u4f5c\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u67e5\u770b Binlog \u6587\u4ef6\u5217\u8868<\/strong><\/li>\n<\/ol>\n\n\n\n<pre id=\"mgqTZ\" class=\"wp-block-code\"><code>show binary logs;  -- \u5217\u51fa\u6240\u6709Binlog\u6587\u4ef6\u53ca\u5927\u5c0f<\/code><\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u5220\u9664\u76ee\u6807\u6587\u4ef6\u4e4b\u524d\u7684\u6240\u6709\u65e5\u5fd7<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u793a\u4f8b\uff1a\u4fdd\u7559 <code>mysql-bin.000002<\/code> \u53ca\u4e4b\u540e\u7684\u6587\u4ef6\uff0c\u5220\u9664\u5176\u4e4b\u524d\u7684\u6240\u6709\u65e5\u5fd7<\/p>\n\n\n\n<pre id=\"jHTTZ\" class=\"wp-block-code\"><code>purge binary logs to 'mysql-bin.000002';<\/code><\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u9a8c\u8bc1\u7ed3\u679c<\/strong><\/li>\n<\/ol>\n\n\n\n<pre id=\"muTVi\" class=\"wp-block-code\"><code>show binary logs;  -- \u786e\u8ba4\u76ee\u6807\u6587\u4ef6\u4e4b\u524d\u7684\u65e5\u5fd7\u5df2\u5220\u9664<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"832\" height=\"398\" src=\"http:\/\/47.100.165.17\/wordpress\/wp-content\/uploads\/2026\/02\/image-31.png\" alt=\"\" class=\"wp-image-331\" srcset=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/02\/image-31.png 832w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/02\/image-31-300x144.png 300w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/02\/image-31-768x367.png 768w\" sizes=\"(max-width: 832px) 100vw, 832px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"N3yUp\">\u65b9\u5f0f 3\uff1a\u5220\u9664\u6307\u5b9a\u65f6\u95f4\u4e4b\u524d\u7684\u65e5\u5fd7<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"u43f3e206\">\u6309\u65f6\u95f4\u8282\u70b9\u6e05\u7406\uff0c\u9002\u7528\u4e8e\u9700\u6279\u91cf\u5220\u9664\u67d0\u4e2a\u65f6\u95f4\u70b9\u524d\u5197\u4f59\u65e5\u5fd7\u7684\u573a\u666f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u64cd\u4f5c\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<pre id=\"rUnpC\" class=\"wp-block-code\"><code>-- \u8bed\u6cd5\uff1apurge binary logs before 'YYYY-MM-DD HH:MM:SS';\npurge binary logs before '2030-02-02 00:00:00';  -- \u5220\u9664\u8be5\u65f6\u95f4\u524d\u6240\u6709Binlog\n\n-- \u9a8c\u8bc1\u78c1\u76d8\u5360\u7528\uff08Linux\u793a\u4f8b\uff09\nll \/data\/mysql\/binlog\/  -- \u67e5\u770bBinlog\u5b58\u50a8\u76ee\u5f55\u6587\u4ef6\u6b8b\u7559<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1022\" height=\"427\" src=\"http:\/\/47.100.165.17\/wordpress\/wp-content\/uploads\/2026\/02\/image-32.png\" alt=\"\" class=\"wp-image-332\" srcset=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/02\/image-32.png 1022w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/02\/image-32-300x125.png 300w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/02\/image-32-768x321.png 768w\" sizes=\"(max-width: 1022px) 100vw, 1022px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"115\" src=\"http:\/\/47.100.165.17\/wordpress\/wp-content\/uploads\/2026\/02\/image-33-1024x115.png\" alt=\"\" class=\"wp-image-333\" srcset=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/02\/image-33-1024x115.png 1024w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/02\/image-33-300x34.png 300w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/02\/image-33-768x86.png 768w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/02\/image-33.png 1062w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"Plb1y\">\u4e8c\u3001\u5173\u952e\u6ce8\u610f\u4e8b\u9879<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong>\u4f18\u5148\u9009\u62e9\u81ea\u52a8\u6e05\u9664<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u624b\u52a8\u6e05\u9664\uff08\u65b9\u5f0f 2\u30013\uff09\u6613\u8bef\u5220\u5173\u952e\u65e5\u5fd7\uff0c\u81ea\u52a8\u6e05\u9664\u901a\u8fc7\u65f6\u95f4\u9608\u503c\u63a7\u5236\uff0c\u66f4\u5b89\u5168\u53ef\u63a7\uff0c\u9002\u5408\u751f\u4ea7\u73af\u5883\u957f\u671f\u4f7f\u7528\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. <strong>\u4e3b\u4ece\u67b6\u6784\u5fc5\u67e5\u540c\u6b65\u72b6\u6001<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u5e93\u6e05\u9664 Binlog \u524d\uff0c\u9700\u786e\u4fdd\u6240\u6709\u4ece\u5e93\u5df2\u8bfb\u53d6\u5e76\u56de\u653e\u5f85\u6e05\u9664\u7684Binlog\u65e5\u5fd7\uff0c\u907f\u514d\u4ece\u5e93\u540c\u6b65\u4e2d\u65ad\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>show slave status\\G  -- \u67e5\u770b\u4ece\u5e93 Read_Master_Log_Pos\uff08\u5df2\u8bfb\u53d6\u7684\u4e3b\u5e93\u65e5\u5fd7\u4f4d\u70b9\uff09<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u786e\u8ba4\u6240\u6709\u4ece\u5e93\u7684\u4f4d\u70b9\u5df2\u8d85\u8fc7\u5f85\u6e05\u9664\u65e5\u5fd7\u7684\u8303\u56f4\u540e\uff0c\u518d\u6267\u884c\u6e05\u9664\u64cd\u4f5c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. <strong>\u914d\u7f6e\u78c1\u76d8\u76d1\u63a7\u544a\u8b66<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5efa\u8bae\u901a\u8fc7 Zabbix\u3001Prometheus \u7b49\u5de5\u5177\u76d1\u63a7 Binlog \u5b58\u50a8\u76ee\u5f55\u7684\u78c1\u76d8\u4f7f\u7528\u7387\uff0c\u5f53\u4f7f\u7528\u7387\u8d85\u8fc7 80% \u65f6\u89e6\u53d1\u544a\u8b66\uff0c\u53ca\u65f6\u6392\u67e5\u65e5\u5fd7\u66b4\u6da8\u95ee\u9898\uff08\u5982\u5f02\u5e38\u5199\u5165\u5bfc\u81f4 Binlog \u6fc0\u589e\uff09\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Binlog \u6e05\u9664\u7684\u6838\u5fc3\u539f\u5219\u662f\u300c\u5b89\u5168\u4f18\u5148\u3001\u6309\u9700\u9009\u62e9\u300d\uff1a\u65e5\u5e38\u8fd0\u7ef4\u63a8\u8350\u4f7f\u7528<strong>\u81ea\u52a8\u6e05\u9664<\/strong>\uff08\u65b9\u5f0f 1\uff09\uff0c\u517c\u987e\u6548\u7387\u4e0e\u5b89\u5168\u6027\uff1b\u7279\u6b8a\u573a\u666f\uff08\u5982\u4fdd\u7559\u7279\u5b9a\u65e5\u5fd7\u3001\u6279\u91cf\u6e05\u7406\u5386\u53f2\u65e5\u5fd7\uff09\u53ef\u4f7f\u7528\u624b\u52a8\u6e05\u9664\uff08\u65b9\u5f0f 2\u30013\uff09\uff0c\u4f46\u9700\u4e25\u683c\u9a8c\u8bc1\u64cd\u4f5c\u8303\u56f4\u3002\u540c\u65f6\uff0c\u7ed3\u5408\u4e3b\u4ece\u540c\u6b65\u68c0\u67e5\u548c\u78c1\u76d8\u76d1\u63a7\uff0c\u53ef\u6709\u6548\u907f\u514d\u6e05\u9664\u64cd\u4f5c\u5f15\u53d1\u7684\u670d\u52a1\u98ce\u9669\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MySQL \u7684 Binlog\uff08\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff09\u662f\u6838\u5fc3\u65e5\u5fd7\u4e4b\u4e00\uff0c\u8bb0\u5f55\u4e86\u6570\u636e\u5e93\u6240\u6709 DDL \u548c DML \u64cd\u4f5c\uff0c\u5e38\u7528\u4e8e\u6570<\/p>\n<div class=\"more-link\">\n\t\t\t\t <a href=\"https:\/\/yunyanglib.cn\/?p=323\" class=\"link-btn theme-btn\"><span>Read More <\/span> <i class=\"fa fa-caret-right\"><\/i><\/a>\n\t\t\t<\/div>\n","protected":false},"author":1,"featured_media":326,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[16],"class_list":["post-323","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mysql","tag-mysql"],"_links":{"self":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/323","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=323"}],"version-history":[{"count":7,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/323\/revisions"}],"predecessor-version":[{"id":900,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/323\/revisions\/900"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/media\/326"}],"wp:attachment":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=323"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=323"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=323"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}