{"id":519,"date":"2026-02-06T12:53:16","date_gmt":"2026-02-06T04:53:16","guid":{"rendered":"http:\/\/47.100.165.17\/wordpress\/?p=519"},"modified":"2026-03-02T22:53:35","modified_gmt":"2026-03-02T14:53:35","slug":"%e3%80%90mysql%e3%80%91binlog%e3%80%81redo-log%e3%80%81undo-log-%e5%8c%ba%e5%88%ab%e4%b8%8e%e5%ae%9e%e8%b7%b5","status":"publish","type":"post","link":"https:\/\/yunyanglib.cn\/?p=519","title":{"rendered":"\u3010MySQL\u3011Binlog\u3001Redo Log\u3001Undo Log \u533a\u522b\u4e0e\u5b9e\u8df5"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\" id=\"ucc382d0f\">\u5728 MySQL \u6570\u636e\u5e93\u4e2d\uff0cBinlog\uff08\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff09\u3001Redo Log\uff08\u91cd\u505a\u65e5\u5fd7\uff09\u3001Undo Log\uff08\u56de\u6eda\u65e5\u5fd7\uff09\u662f\u4fdd\u969c\u6570\u636e\u4e00\u81f4\u6027\u3001\u4e8b\u52a1 ACID \u7279\u6027\u7684\u6838\u5fc3\u7ec4\u4ef6\u3002\u4e09\u8005\u5404\u53f8\u5176\u804c\u53c8\u534f\u540c\u5de5\u4f5c\uff0c\u7406\u89e3\u5b83\u4eec\u7684\u5dee\u5f02\u4e0e\u8fd0\u884c\u673a\u5236\uff0c\u662f\u6570\u636e\u5e93\u6027\u80fd\u4f18\u5316\u3001\u6545\u969c\u6062\u590d\u3001\u4e3b\u4ece\u67b6\u6784\u642d\u5efa\u7684\u5173\u952e\u3002\u672c\u6587\u5c06\u4ece\u6838\u5fc3\u7279\u6027\u3001\u5bf9\u6bd4\u5dee\u5f02\u3001\u5de5\u4f5c\u6d41\u7a0b\u4e09\u4e2a\u7ef4\u5ea6\uff0c\u5e26\u4f60\u5168\u9762\u638c\u63e1\u8fd9\u4e09\u7c7b\u65e5\u5fd7\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u4e09\u7c7b\u65e5\u5fd7\u6838\u5fc3\u7279\u6027\u89e3\u6790<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">1. Binlog\uff08\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff09<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8bb0\u5f55\u8303\u56f4<\/strong>\uff1a\u9762\u5411\u6240\u6709\u5b58\u50a8\u5f15\u64ce\uff08InnoDB\u3001MyISAM \u7b49\uff09\uff0c\u6355\u83b7\u6570\u636e\u5e93\u4e2d\u6240\u6709\u6570\u636e\u4fee\u6539\u64cd\u4f5c<\/li>\n\n\n\n<li><strong>\u65e5\u5fd7\u7c7b\u578b<\/strong>\uff1a\u903b\u8f91\u65e5\u5fd7\uff0c\u8bb0\u5f55\u64cd\u4f5c\u7684 \u201c\u6267\u884c\u903b\u8f91\u201d\uff08\u5982<code>UPDATE user SET name='test' WHERE id=1<\/code>\uff09<\/li>\n\n\n\n<li><strong>\u5199\u5165\u673a\u5236<\/strong>\uff1a\u4ec5\u5728\u4e8b\u52a1\u63d0\u4ea4\u65f6\u4e00\u6b21\u6027\u5199\u5165\uff0c\u91c7\u7528\u8ffd\u52a0\u5199\u6a21\u5f0f\uff08\u6587\u4ef6\u6ee1\u540e\u81ea\u52a8\u5207\u6362\uff0c\u4e0d\u8986\u76d6\u5386\u53f2\u65e5\u5fd7\uff09<\/li>\n\n\n\n<li><strong>\u6838\u5fc3\u4ef7\u503c<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4e3b\u4ece\u590d\u5236\uff1a\u4ece\u5e93\u901a\u8fc7\u56de\u653e Binlog \u540c\u6b65\u4e3b\u5e93\u6570\u636e\uff0c\u662f\u5206\u5e03\u5f0f\u67b6\u6784\u7684\u57fa\u7840<\/li>\n\n\n\n<li>\u6570\u636e\u6062\u590d\uff1a\u7ed3\u5408\u5168\u91cf\u5907\u4efd + Binlog \u589e\u91cf\u65e5\u5fd7\uff0c\u53ef\u6062\u590d\u5230\u4efb\u610f\u65f6\u95f4\u70b9<\/li>\n\n\n\n<li>\u5ba1\u8ba1\u8ffd\u8e2a\uff1a\u8bb0\u5f55\u6240\u6709\u6570\u636e\u53d8\u66f4\uff0c\u652f\u6301\u64cd\u4f5c\u6eaf\u6e90<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. Redo Log\uff08\u91cd\u505a\u65e5\u5fd7\uff09<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8bb0\u5f55\u8303\u56f4<\/strong>\uff1a\u4ec5\u9488\u5bf9 InnoDB \u5b58\u50a8\u5f15\u64ce\uff0c\u805a\u7126\u6570\u636e\u9875\u7684\u7269\u7406\u53d8\u66f4<\/li>\n\n\n\n<li><strong>\u65e5\u5fd7\u7c7b\u578b<\/strong>\uff1a\u7269\u7406\u65e5\u5fd7\uff0c\u8bb0\u5f55 \u201c\u6570\u636e\u9875\u7684\u5177\u4f53\u4fee\u6539\u201d\uff08\u5982 \u201c\u9875 123 \u504f\u79fb\u91cf 456 \u7684\u503c\u4ece A \u6539\u4e3a B\u201d\uff09<\/li>\n\n\n\n<li><strong>\u5199\u5165\u673a\u5236<\/strong>\uff1a\u4e8b\u52a1\u6267\u884c\u8fc7\u7a0b\u4e2d\u6301\u7eed\u5199\u5165\uff0c\u91c7\u7528\u5faa\u73af\u5199\u6a21\u5f0f\uff08\u56fa\u5b9a\u5927\u5c0f\u6587\u4ef6\u7ec4\uff0c\u5199\u6ee1\u540e\u8986\u76d6\u6700\u65e9\u65e5\u5fd7\uff09<\/li>\n\n\n\n<li><strong>\u6838\u5fc3\u4ef7\u503c<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4fdd\u8bc1\u4e8b\u52a1\u6301\u4e45\u6027\uff1a\u5373\u4f7f\u6570\u636e\u5e93\u5d29\u6e83\uff0c\u5df2\u63d0\u4ea4\u4e8b\u52a1\u672a\u5237\u76d8\u7684\u6570\u636e\u53ef\u901a\u8fc7 Redo Log \u6062\u590d<\/li>\n\n\n\n<li>\u63d0\u5347\u6027\u80fd\uff1a\u907f\u514d\u9891\u7e41\u5237\u6570\u636e\u9875\u5230\u78c1\u76d8\uff0c\u4ec5\u9700\u5199\u5165\u65e5\u5fd7\u5373\u53ef\u786e\u8ba4\u4e8b\u52a1\u63d0\u4ea4\uff08WAL \u673a\u5236\u6838\u5fc3\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">3. Undo Log\uff08\u56de\u6eda\u65e5\u5fd7\uff09<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8bb0\u5f55\u8303\u56f4<\/strong>\uff1a\u4ec5 InnoDB \u5b58\u50a8\u5f15\u64ce\uff0c\u4e0e\u6570\u636e\u4fee\u6539\u64cd\u4f5c\u53cd\u5411\u5173\u8054<\/li>\n\n\n\n<li><strong>\u65e5\u5fd7\u7c7b\u578b<\/strong>\uff1a\u53cd\u5411\u903b\u8f91\u65e5\u5fd7\uff0c\u8bb0\u5f55 \u201c\u64a4\u9500\u4fee\u6539\u7684\u6307\u4ee4\u201d\uff08\u5982 \u201c\u63d2\u5165 id=1 \u7684\u884c\uff0c\u56de\u6eda\u65f6\u9700\u5220\u9664\u8be5\u884c\u201d\uff09<\/li>\n\n\n\n<li><strong>\u5199\u5165\u673a\u5236<\/strong>\uff1a\u4fee\u6539\u6570\u636e\u524d\u4f18\u5148\u5199\u5165\uff0c\u5b58\u50a8\u5728\u8868\u7a7a\u95f4\u4e2d\uff0c\u652f\u6301\u968f\u673a\u8bfb\u5199<\/li>\n\n\n\n<li><strong>\u6838\u5fc3\u4ef7\u503c<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u4e8b\u52a1\u56de\u6eda\uff1a\u5f53\u4e8b\u52a1\u6267\u884c\u5931\u8d25\u6216\u4e3b\u52a8\u56de\u6eda\u65f6\uff0c\u901a\u8fc7 Undo Log \u6062\u590d\u6570\u636e\u5230\u4fee\u6539\u524d\u72b6\u6001<\/li>\n\n\n\n<li>\u652f\u6301 MVCC\uff1a\u63d0\u4f9b\u6570\u636e\u5386\u53f2\u7248\u672c\uff0c\u5b9e\u73b0\u8bfb\u5199\u5206\u79bb\uff08\u5982\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\u4e2d\u7684 Repeatable Read\uff09<\/li>\n\n\n\n<li>\u751f\u547d\u5468\u671f\uff1a\u4e8b\u52a1\u63d0\u4ea4\u540e\u9700\u4fdd\u7559\uff0c\u76f4\u5230 Purge \u7ebf\u7a0b\u786e\u8ba4\u65e0\u4e8b\u52a1\u4f9d\u8d56\u8be5\u5386\u53f2\u7248\u672c<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u6838\u5fc3\u5dee\u5f02\u5bf9\u6bd4\u603b\u8868<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">\u5bf9\u6bd4\u7ef4\u5ea6<\/th><th class=\"has-text-align-left\" data-align=\"left\">Binlog\uff08\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff09<\/th><th class=\"has-text-align-left\" data-align=\"left\">Redo Log\uff08\u91cd\u505a\u65e5\u5fd7\uff09<\/th><th class=\"has-text-align-left\" data-align=\"left\">Undo Log\uff08\u56de\u6eda\u65e5\u5fd7\uff09<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">\u652f\u6301\u5b58\u50a8\u5f15\u64ce<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u6240\u6709\u5b58\u50a8\u5f15\u64ce<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u4ec5 InnoDB<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u4ec5 InnoDB<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u65e5\u5fd7\u7c7b\u578b<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u903b\u8f91\u65e5\u5fd7\uff08\u8bb0\u5f55\u64cd\u4f5c\u903b\u8f91\uff09<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u7269\u7406\u65e5\u5fd7\uff08\u8bb0\u5f55\u6570\u636e\u9875\u53d8\u66f4\uff09<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u53cd\u5411\u903b\u8f91\u65e5\u5fd7\uff08\u8bb0\u5f55\u64a4\u9500\u6307\u4ee4\uff09<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u5199\u5165\u65f6\u673a<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u4e8b\u52a1\u63d0\u4ea4\u65f6\u4e00\u6b21\u6027\u5199\u5165<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u4e8b\u52a1\u6267\u884c\u8fc7\u7a0b\u4e2d\u6301\u7eed\u5199\u5165<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u6570\u636e\u4fee\u6539\u524d\u5199\u5165<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u5199\u5165\u65b9\u5f0f<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u8ffd\u52a0\u5199\uff08\u4e0d\u8986\u76d6\uff09<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u5faa\u73af\u5199\uff08\u56fa\u5b9a\u5927\u5c0f\uff09<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u968f\u673a\u8bfb\u5199\uff08\u8868\u7a7a\u95f4\u5b58\u50a8\uff09<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u6838\u5fc3\u7528\u9014<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u4e3b\u4ece\u590d\u5236\u3001\u6570\u636e\u5907\u4efd\u6062\u590d<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u4e8b\u52a1\u6301\u4e45\u6027\u4fdd\u969c\u3001\u5d29\u6e83\u6062\u590d<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u4e8b\u52a1\u56de\u6eda\u3001MVCC \u5386\u53f2\u7248\u672c<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u5d29\u6e83\u6062\u590d\u89d2\u8272<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u4e0d\u53c2\u4e0e InnoDB \u5d29\u6e83\u6062\u590d<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u6838\u5fc3\u6062\u590d\u89d2\u8272\uff08\u6062\u590d\u672a\u5237\u76d8\u6570\u636e\uff09<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u8f85\u52a9\u6062\u590d\uff08\u56de\u6eda\u672a\u63d0\u4ea4\u4e8b\u52a1\uff09<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u751f\u547d\u5468\u671f<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u957f\u671f\u4fdd\u7559\uff08\u6309\u7b56\u7565\u6e05\u7406\uff09<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u6570\u636e\u9875\u5237\u76d8\u540e\u5931\u6548<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u63d0\u4ea4\u540e\u4fdd\u7559\uff0cPurge \u7ebf\u7a0b\u6e05\u7406<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u6570\u636e\u66f4\u65b0\u65f6\u7684\u65e5\u5fd7\u534f\u4f5c\u6d41\u7a0b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5<code>UPDATE user SET name='test' WHERE id=1<\/code>\u4e3a\u4f8b\uff0c\u4e09\u7c7b\u65e5\u5fd7\u7684\u5199\u5165\u987a\u5e8f\u4e25\u683c\u9075\u5faa\u4ee5\u4e0b\u6d41\u7a0b\uff0c\u786e\u4fdd\u4e8b\u52a1\u5b89\u5168\u6027\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5199\u5165 Undo Log<\/strong>\uff1a\u4fee\u6539\u6570\u636e\u524d\uff0c\u5148\u8bb0\u5f55\u53cd\u5411\u64cd\u4f5c\uff08\u5982 \u201cid=1 \u7684 name \u539f\u503c\u4e3a &#8216;old&#8217;\uff0c\u56de\u6eda\u65f6\u6062\u590d\u201d\uff09\uff0c\u4e3a\u4e8b\u52a1\u56de\u6eda\u9884\u7559\u540e\u8def<\/li>\n\n\n\n<li><strong>\u4fee\u6539\u5185\u5b58\u6570\u636e\u9875<\/strong>\uff1a\u76f4\u63a5\u66f4\u65b0 InnoDB \u7f13\u51b2\u6c60\u4e2d\u7684\u6570\u636e\u9875\uff08\u4e0d\u7acb\u5373\u5237\u76d8\uff0c\u63d0\u5347\u6027\u80fd\uff09<\/li>\n\n\n\n<li><strong>\u5199\u5165 Redo Log<\/strong>\uff1a\u8bb0\u5f55\u6570\u636e\u9875\u7269\u7406\u53d8\u66f4\uff0c\u6807\u8bb0\u4e3a \u201cprepare\u201d \u72b6\u6001\uff0c\u786e\u4fdd\u5d29\u6e83\u540e\u53ef\u6062\u590d\u8be5\u53d8\u66f4<\/li>\n\n\n\n<li><strong>\u4e8b\u52a1\u63d0\u4ea4\u9636\u6bb5<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5199\u5165 Binlog\uff1a\u5c06\u6574\u4e2a UPDATE \u64cd\u4f5c\u7684\u903b\u8f91\u65e5\u5fd7\u5199\u5165 Binlog \u5e76\u5237\u76d8\uff08\u786e\u4fdd\u65e5\u5fd7\u4e0d\u4e22\u5931\uff09<\/li>\n\n\n\n<li>Redo Log \u72b6\u6001\u66f4\u65b0\uff1a\u5c06 \u201cprepare\u201d \u6539\u4e3a \u201ccommit\u201d\uff0c\u4e8b\u52a1\u6b63\u5f0f\u63d0\u4ea4<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u5173\u952e\u539f\u5219\uff1aUndo Log \u201c\u5148\u4e8e\u4fee\u6539\u201d\uff0cRedo Log \u201c\u4f34\u968f\u4fee\u6539\u201d\uff0cBinlog \u201c\u6700\u540e\u786e\u8ba4\u201d\uff0c\u4e09\u8005\u534f\u540c\u5b9e\u73b0\u4e8b\u52a1\u7684\u539f\u5b50\u6027\u3001\u4e00\u81f4\u6027\u3001\u6301\u4e45\u6027\u3002<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u5b9e\u9645\u5e94\u7528\u573a\u666f\u4e0e\u6ce8\u610f\u4e8b\u9879<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u6545\u969c\u6062\u590d\u573a\u666f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6570\u636e\u5e93\u5d29\u6e83\u540e\u91cd\u542f\uff1aInnoDB \u5148\u901a\u8fc7 Redo Log \u6062\u590d\u5df2\u63d0\u4ea4\u4f46\u672a\u5237\u76d8\u7684\u6570\u636e\uff0c\u518d\u901a\u8fc7 Undo Log \u56de\u6eda\u672a\u63d0\u4ea4\u7684\u4e8b\u52a1\uff0cBinlog \u4e0d\u53c2\u4e0e\u6b64\u8fc7\u7a0b<\/li>\n\n\n\n<li>\u6570\u636e\u8bef\u5220\u6062\u590d\uff1a\u901a\u8fc7\u5168\u91cf\u5907\u4efd + Binlog \u589e\u91cf\u56de\u653e\uff0c\u6062\u590d\u5230\u8bef\u5220\u524d\u7684\u65f6\u95f4\u70b9<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u4e3b\u4ece\u590d\u5236\u573a\u666f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e3b\u5e93\u5f00\u542f Binlog\uff0c\u8bb0\u5f55\u6240\u6709\u6570\u636e\u53d8\u66f4<\/li>\n\n\n\n<li>\u4ece\u5e93\u901a\u8fc7 IO \u7ebf\u7a0b\u8bfb\u53d6\u4e3b\u5e93 Binlog\uff0c\u5199\u5165\u672c\u5730 Relay Log<\/li>\n\n\n\n<li>\u4ece\u5e93 SQL \u7ebf\u7a0b\u56de\u653e Relay Log\uff0c\u540c\u6b65\u4e3b\u5e93\u6570\u636e<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u6027\u80fd\u4f18\u5316\u5efa\u8bae<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Redo Log\uff1a\u5408\u7406\u8bbe\u7f6e<code>innodb_log_file_size<\/code>\uff08\u5efa\u8bae 256M-1G\uff09\uff0c\u907f\u514d\u9891\u7e41\u5207\u6362\u65e5\u5fd7<\/li>\n\n\n\n<li>Undo Log\uff1a\u5f00\u542f<code>innodb_undo_tablespaces<\/code>\uff0c\u72ec\u7acb\u5b58\u50a8 Undo Log\uff0c\u51cf\u5c11\u8868\u7a7a\u95f4\u788e\u7247<\/li>\n\n\n\n<li>Binlog\uff1a\u9009\u62e9<code>ROW<\/code>\u683c\u5f0f\uff08\u8bb0\u5f55\u884c\u7ea7\u53d8\u66f4\uff09\uff0c\u907f\u514d<code>STATEMENT<\/code>\u683c\u5f0f\u7684\u590d\u5236\u4e00\u81f4\u6027\u95ee\u9898<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Binlog\u3001Redo Log\u3001Undo Log \u662f MySQL \u6570\u636e\u5e93\u7684 \u201c\u4e09\u5927\u57fa\u77f3\u201d\uff1aBinlog \u4fdd\u969c\u6570\u636e\u590d\u5236\u4e0e\u5907\u4efd\uff0cRedo Log \u4fdd\u969c\u4e8b\u52a1\u6301\u4e45\u6027\uff0cUndo Log \u4fdd\u969c\u4e8b\u52a1\u56de\u6eda\u4e0e MVCC\u3002\u7406\u89e3\u5b83\u4eec\u7684\u5dee\u5f02\u4e0e\u534f\u4f5c\u673a\u5236\uff0c\u4e0d\u4ec5\u80fd\u5e2e\u52a9\u6211\u4eec\u5feb\u901f\u5b9a\u4f4d\u6570\u636e\u5e93\u95ee\u9898\uff0c\u66f4\u80fd\u5728\u67b6\u6784\u8bbe\u8ba1\u3001\u6027\u80fd\u4f18\u5316\u4e2d\u505a\u51fa\u5408\u7406\u51b3\u7b56\u3002\u5728\u5b9e\u9645\u5de5\u4f5c\u4e2d\uff0c\u9700\u6839\u636e\u4e1a\u52a1\u573a\u666f\u5408\u7406\u914d\u7f6e\u65e5\u5fd7\u53c2\u6570\uff0c\u517c\u987e\u6570\u636e\u5b89\u5168\u6027\u4e0e\u7cfb\u7edf\u6027\u80fd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ude2e1d4e\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 MySQL \u6570\u636e\u5e93\u4e2d\uff0cBinlog\uff08\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff09\u3001Redo Log\uff08\u91cd\u505a\u65e5\u5fd7\uff09\u3001Undo Log\uff08\u56de\u6eda\u65e5\u5fd7<\/p>\n<div class=\"more-link\">\n\t\t\t\t <a href=\"https:\/\/yunyanglib.cn\/?p=519\" 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":524,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[16],"class_list":["post-519","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\/519","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=519"}],"version-history":[{"count":5,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/519\/revisions"}],"predecessor-version":[{"id":902,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/519\/revisions\/902"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/media\/524"}],"wp:attachment":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=519"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=519"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=519"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}