{"id":525,"date":"2026-02-06T14:40:30","date_gmt":"2026-02-06T06:40:30","guid":{"rendered":"http:\/\/47.100.165.17\/wordpress\/?p=525"},"modified":"2026-02-06T14:40:30","modified_gmt":"2026-02-06T06:40:30","slug":"%e3%80%90mysql%e3%80%91%e6%97%a5%e5%bf%97%e7%9b%b8%e5%85%b3%e9%ab%98%e9%a2%91%e9%97%ae%e9%a2%98%e5%88%86%e4%ba%ab","status":"publish","type":"post","link":"https:\/\/yunyanglib.cn\/?p=525","title":{"rendered":"\u3010MySQL\u3011\u65e5\u5fd7\u76f8\u5173\u9ad8\u9891\u95ee\u9898\u5206\u4eab"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">MySQL \u7684\u65e5\u5fd7\u7cfb\u7edf\u662f\u4fdd\u969c\u6570\u636e\u53ef\u9760\u6027\u548c\u4e3b\u4ece\u540c\u6b65\u7684\u6838\u5fc3\uff0c\u65e5\u5e38\u5f00\u53d1\u548c\u8fd0\u7ef4\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230 Redo Log\u3001Binlog \u76f8\u5173\u7684\u7591\u95ee \u2014\u2014 \u4e3a\u4ec0\u4e48\u4e3b\u4ece\u590d\u5236\u4e0d\u7528 Redo Log\uff1f\u4e8c\u9636\u6bb5\u63d0\u4ea4\u5230\u5e95\u5982\u4f55\u4fdd\u8bc1\u4e00\u81f4\u6027\uff1fBinlog \u7684\u65f6\u95f4\u6233\u4e3a\u4ec0\u4e48\u4f1a \u201c\u4e71\u5e8f\u201d\uff1f\u672c\u6587\u5c06\u7ed3\u5408\u5b9e\u6218\u573a\u666f\uff0c\u9010\u4e00\u62c6\u89e3\u8fd9\u4e9b\u9ad8\u9891\u95ee\u9898\uff0c\u5e2e\u4f60\u7406\u6e05 MySQL \u65e5\u5fd7\u7684\u5e95\u5c42\u903b\u8f91\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"kEkhF\">\u4e00\u3001\u6838\u5fc3\u7591\u95ee\uff1a\u4e3a\u4f55 Redo Log \u4e0d\u9002\u5408\u4e3b\u4ece\u590d\u5236\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ub4f291b5\">\u4e3b\u4ece\u590d\u5236\u7684\u6838\u5fc3\u662f \u201c\u8de8\u5b9e\u4f8b\u540c\u6b65\u6570\u636e\u53d8\u66f4\u201d\uff0c\u800c Redo Log \u7684\u8bbe\u8ba1\u7279\u6027\u51b3\u5b9a\u4e86\u5b83\u65e0\u6cd5\u6ee1\u8db3\u8fd9\u4e00\u9700\u6c42\uff0c\u4e3b\u8981\u539f\u56e0\u6709\u4e09\u70b9\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u5f15\u64ce\u4f9d\u8d56\u6027\uff1a\u4ec5\u9650 InnoDB\uff0c\u7f3a\u4e4f\u901a\u7528\u6027<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Redo Log \u662f InnoDB \u5b58\u50a8\u5f15\u64ce\u7684\u4e13\u5c5e\u7269\u7406\u65e5\u5fd7\uff0c\u8bb0\u5f55\u7684\u662f\u6570\u636e\u9875\u7684\u7269\u7406\u4fee\u6539\uff08\u5982\u9875\u504f\u79fb\u91cf\u3001\u4e8c\u8fdb\u5236\u503c\uff09\u3002\u4f46 MySQL \u652f\u6301\u591a\u79cd\u5b58\u50a8\u5f15\u64ce\uff08MyISAM\u3001Memory \u7b49\uff09\uff0c\u8fd9\u4e9b\u5f15\u64ce\u5e76\u4e0d\u652f\u6301 Redo Log\u3002\u5982\u679c\u4e3b\u4ece\u590d\u5236\u57fa\u4e8e Redo Log\uff0c\u975e InnoDB \u8868\u7684\u53d8\u66f4\u5c06\u65e0\u6cd5\u540c\u6b65\u5230\u4ece\u5e93\uff0c\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u5199\u5165\u7279\u6027\uff1a\u5faa\u73af\u5199 vs \u8ffd\u52a0\u5199\uff0c\u65e0\u6cd5\u4fdd\u7559\u5386\u53f2<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Redo Log \u91c7\u7528 \u201c\u5faa\u73af\u5199\u201d \u673a\u5236 \u2014\u2014 \u56fa\u5b9a\u5927\u5c0f\u7684\u65e5\u5fd7\u6587\u4ef6\u5199\u6ee1\u540e\uff0c\u4f1a\u8986\u76d6\u6700\u65e9\u7684\u672a\u8fc7\u671f\u65e5\u5fd7\u3002\u800c\u4e3b\u4ece\u590d\u5236\u8981\u6c42\u65e5\u5fd7\u5fc5\u987b \u201c\u8ffd\u52a0\u5199\u201d\uff1a\u4ece\u5e93\u9700\u8981\u6309\u987a\u5e8f\u56de\u653e\u6240\u6709\u5386\u53f2\u53d8\u66f4\uff0c\u4e0d\u80fd\u4e22\u5931\u4efb\u4f55\u64cd\u4f5c\u8bb0\u5f55\u3002Redo Log \u7684\u8986\u76d6\u7279\u6027\u4f1a\u5bfc\u81f4\u5386\u53f2\u65e5\u5fd7\u4e22\u5931\uff0c\u4ece\u5e93\u65e0\u6cd5\u5b8c\u6574\u540c\u6b65\u4e3b\u5e93\u6570\u636e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u683c\u5f0f\u517c\u5bb9\u6027\uff1a\u7269\u7406\u65e5\u5fd7\u65e0\u6cd5\u8de8\u5b9e\u4f8b\u89e3\u6790<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ub4f291b5\">\u4e3b\u6d41\u4e3b\u4ece\u540c\u6b65\u5de5\u5177\uff08MySQL \u539f\u751f\u590d\u5236\u3001MGR\uff09\u5747\u57fa\u4e8e Binlog \u7684\u903b\u8f91\u65e5\u5fd7\u8bbe\u8ba1\uff1aBinlog \u8bb0\u5f55\u7684\u662f SQL \u8bed\u53e5\u6216\u884c\u7ea7\u53d8\u66f4\uff08\u5982<code>UPDATE table SET ...<\/code>\uff09\uff0c\u65e0\u5173\u5b58\u50a8\u5f15\u64ce\uff0c\u53ef\u88ab\u4efb\u4f55 MySQL \u5b9e\u4f8b\u89e3\u6790\u3002\u800c Redo Log \u7684\u7269\u7406\u683c\u5f0f\u4e0e\u5177\u4f53\u6570\u636e\u9875\u7ed3\u6784\u5f3a\u7ed1\u5b9a\uff0c\u975e InnoDB \u5b9e\u4f8b\u65e0\u6cd5\u89e3\u6790\uff0c\u81ea\u7136\u65e0\u6cd5\u4f5c\u4e3a\u540c\u6b65\u8f7d\u4f53\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"J3OxN\">\u4e8c\u3001\u65e5\u5fd7\u76f8\u5173\u9ad8\u9891\u95ee\u9898\u89e3\u7b54<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u95ee\u9898 1\uff1aRedo Log \u5728 prepare \u9636\u6bb5\u662f\u5426\u5f00\u59cb\u5237\u76d8\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7b54\u6848\uff1a\u662f\uff0c\u4e14\u5fc5\u987b\u5237\u76d8\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Redo Log \u7684\u5237\u76d8\u673a\u5236\u5206\u4e3a\u4e24\u4e2a\u5c42\u9762\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e8b\u52a1\u6267\u884c\u4e2d\uff1a\u4fee\u6539\u64cd\u4f5c\u4f1a\u5148\u5199\u5165\u5185\u5b58\u4e2d\u7684 \u201cRedo Log Buffer\u201d\uff0c\u7136\u540e\u901a\u8fc7 \u201c\u540e\u53f0\u7ebf\u7a0b\u5f02\u6b65\u5237\u76d8\u201d \u6216 \u201c\u89e6\u53d1\u9608\u503c\uff08\u5982 Buffer \u6ee1\uff09\u201d \u5237\u76d8\uff1b<\/li>\n\n\n\n<li>\u4e8c\u9636\u6bb5\u63d0\u4ea4\u7684 prepare \u9636\u6bb5\uff1aMySQL \u4f1a\u5f3a\u5236\u5c06\u8be5\u4e8b\u52a1\u7684 Redo Log \u4ece Buffer \u5237\u5230\u78c1\u76d8\uff0c\u5e76\u6807\u8bb0\u4e3a \u201cprepare \u72b6\u6001\u201d\u2014\u2014 \u8fd9\u662f\u786c\u6027\u8981\u6c42\uff0c\u76ee\u7684\u662f\u786e\u4fdd\u5d29\u6e83\u540e\u80fd\u6062\u590d\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c Binlog \u7684\u5237\u76d8\u65f6\u673a\u4e0d\u540c\uff1a\u4ec5\u5728\u4e8c\u9636\u6bb5\u63d0\u4ea4\u7684 \u201ccommit \u9636\u6bb5\u201d \u624d\u4f1a\u5237\u76d8\u3002\u8fd9\u79cd\u8bbe\u8ba1\u53ef\u4ee5\u907f\u514d \u201cRedo Log \u5df2\u63d0\u4ea4\u4f46 Binlog \u672a\u5199\u5165\u201d \u7684\u573a\u666f\uff1a\u82e5 prepare \u540e\u5d29\u6e83\uff0c\u91cd\u542f\u540e\u4f1a\u68c0\u67e5 Binlog \u662f\u5426\u5b8c\u6574\uff0c\u82e5\u672a\u5199\u5219\u56de\u6eda\u4e8b\u52a1\uff0c\u82e5\u5df2\u5199\u5219\u63d0\u4ea4\u4e8b\u52a1\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u95ee\u9898 2\uff1a\u4e8c\u9636\u6bb5\u63d0\u4ea4\uff082PC\uff09\u4e3a\u4ec0\u4e48\u80fd\u4fdd\u8bc1\u6570\u636e\u4e00\u81f4\u6027\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e8c\u9636\u6bb5\u63d0\u4ea4\u7684\u6838\u5fc3\u76ee\u6807\u662f \u201c\u8ba9 Redo Log \u548c Binlog \u7684\u63d0\u4ea4\u72b6\u6001\u5b8c\u5168\u4e00\u81f4\u201d\uff0c\u901a\u8fc7 \u201cprepare\u2192commit\u201d \u4e24\u6b65\u5b9e\u73b0\uff1a<\/p>\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\">\u9636\u6bb5<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u6838\u5fc3\u64cd\u4f5c<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u5d29\u6e83\u540e\u5904\u7406\u903b\u8f91<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">prepare \u9636\u6bb5<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u5199 Redo Log \u5e76\u5237\u76d8\uff08\u6807\u8bb0\u4e3a prepare\uff09\uff0c\u6b64\u65f6\u4e8b\u52a1\u672a\u5b8c\u6210<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u91cd\u542f\u540e\u68c0\u67e5 Binlog\uff0c\u82e5Binlog\u672a\u5199\uff0c\u5219\u56de\u6eda\uff1b\u82e5Binlog\u5df2\u5199\uff0c\u5219\u63d0\u4ea4<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">commit \u9636\u6bb5<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u5199 Binlog \u5e76\u5237\u76d8\uff0c\u518d\u5c06 Redo Log \u6807\u8bb0\u4e3a commit<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u4e24\u65e5\u5fd7\u5747\u5df2\u6301\u4e45\u5316\uff0c\u4e8b\u52a1\u5b8c\u6210\uff0c\u65e0\u4e00\u81f4\u6027\u98ce\u9669<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6838\u5fc3\u4ef7\u503c<\/strong>\uff1a\u907f\u514d\u4e24\u79cd\u81f4\u547d\u4e0d\u4e00\u81f4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u573a\u666f 1\uff1aRedo Log \u5df2\u63d0\u4ea4\u4f46 Binlog \u672a\u5199\u2192\u4ece\u5e93\u65e0\u6cd5\u540c\u6b65\u8be5\u4e8b\u52a1\uff1b<\/li>\n\n\n\n<li>\u573a\u666f 2\uff1aBinlog \u5df2\u5199\u4f46 Redo Log \u672a\u63d0\u4ea4\u2192\u4e3b\u5e93\u5d29\u6e83\u540e\u4e22\u5931\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u95ee\u9898 3\uff1aMySQL Binlog \u91cc\u9762\u7684\u65f6\u95f4\u4e3a\u4ec0\u4e48\u6709\u4e9b\u4e0d\u662f\u987a\u5e8f\u7684\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5173\u952e\u7ed3\u8bba\uff1aBinlog \u8bb0\u5f55\u7684\u662f \u201c\u4e8b\u52a1\u63d0\u4ea4\u65f6\u95f4\u201d\uff0c\u800c\u975e\u6267\u884c\u65f6\u95f4\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u591a\u4e2a\u4e8b\u52a1\u5e76\u884c\u6267\u884c\u65f6\uff0c\u201c\u6267\u884c\u987a\u5e8f\u201d \u4e0e \u201c\u63d0\u4ea4\u987a\u5e8f\u201d \u53ef\u80fd\u4e0d\u4e00\u81f4\uff0c\u5bfc\u81f4 Binlog \u65f6\u95f4\u6233\u770b\u4f3c\u65e0\u5e8f\u3002\u4e3e\u4e2a\u5b9e\u9645\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e8b\u52a1 A\uff1a10:00 \u5f00\u59cb\u6267\u884c\uff08\u590d\u6742 SQL\uff0c\u8017\u65f6 5 \u5206\u949f\uff09\uff0c10:05 \u63d0\u4ea4\u2192Binlog \u65f6\u95f4\u6233 10:05\uff1b<\/li>\n\n\n\n<li>\u4e8b\u52a1 B\uff1a10:02 \u5f00\u59cb\u6267\u884c\uff08\u7b80\u5355 SQL\uff0c\u8017\u65f6 1 \u5206\u949f\uff09\uff0c10:03 \u63d0\u4ea4\u2192Binlog \u65f6\u95f4\u6233 10:03\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u65f6 Binlog \u4e2d\u4e8b\u52a1 B \u7684\u65f6\u95f4\uff0810:03\uff09\u65e9\u4e8e\u4e8b\u52a1 A\uff0810:05\uff09\uff0c\u4f46\u8fd9\u662f\u6b63\u5e38\u73b0\u8c61 \u2014\u2014Binlog \u6309 \u201c\u63d0\u4ea4\u987a\u5e8f\u201d \u6392\u5e8f\uff0c\u4ece\u5e93\u56de\u653e\u65f6\u4f1a\u9075\u5faa\u8be5\u987a\u5e8f\uff0c\u5b8c\u5168\u4e0d\u5f71\u54cd\u6570\u636e\u4e00\u81f4\u6027\uff08\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\u5df2\u4fdd\u8bc1\u903b\u8f91\u6b63\u786e\u6027\uff09\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">MySQL \u7684\u65e5\u5fd7\u8bbe\u8ba1\u662f \u201c\u53ef\u9760\u6027\u201d \u4e0e \u201c\u901a\u7528\u6027\u201d \u7684\u6743\u8861\uff1aRedo Log \u4fdd\u969c\u672c\u5730\u4e8b\u52a1\u7684 ACID \u7279\u6027\uff0cBinlog \u4fdd\u969c\u8de8\u5b9e\u4f8b\u7684\u540c\u6b65\u80fd\u529b\uff0c\u4e8c\u9636\u6bb5\u63d0\u4ea4\u5219\u662f\u4e24\u8005\u4e00\u81f4\u6027\u7684\u6865\u6881\u3002\u7406\u89e3\u8fd9\u4e9b\u5e95\u5c42\u903b\u8f91\uff0c\u4e0d\u4ec5\u80fd\u89e3\u51b3\u65e5\u5e38\u8fd0\u7ef4\u4e2d\u7684\u7591\u96be\u95ee\u9898\uff0c\u66f4\u80fd\u5e2e\u52a9\u6211\u4eec\u5728\u67b6\u6784\u8bbe\u8ba1\u65f6\u505a\u51fa\u5408\u7406\u9009\u62e9\uff08\u5982\u4e3b\u4ece\u590d\u5236\u65b9\u6848\u3001\u707e\u5907\u7b56\u7565\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u540e\u7eed\u5c06\u7ee7\u7eed\u5206\u4eab MySQL \u65e5\u5fd7\u7684\u5b9e\u6218\u914d\u7f6e\uff08\u5982 Binlog \u683c\u5f0f\u9009\u62e9\u3001Redo Log \u5927\u5c0f\u4f18\u5316\uff09\uff0c\u6b22\u8fce\u6301\u7eed\u5173\u6ce8\uff5e \u82e5\u6709\u76f8\u5173\u7591\u95ee\uff0c\u53ef\u5728\u8bc4\u8bba\u533a\u7559\u8a00\u4ea4\u6d41\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MySQL \u7684\u65e5\u5fd7\u7cfb\u7edf\u662f\u4fdd\u969c\u6570\u636e\u53ef\u9760\u6027\u548c\u4e3b\u4ece\u540c\u6b65\u7684\u6838\u5fc3\uff0c\u65e5\u5e38\u5f00\u53d1\u548c\u8fd0\u7ef4\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230 Redo Log\u3001B<\/p>\n<div class=\"more-link\">\n\t\t\t\t <a href=\"https:\/\/yunyanglib.cn\/?p=525\" class=\"link-btn theme-btn\"><span>Read More <\/span> <i class=\"fa 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