{"id":531,"date":"2021-07-28T20:46:25","date_gmt":"2021-07-28T12:46:25","guid":{"rendered":"https:\/\/egonlin.com\/?p=531"},"modified":"2025-06-12T16:57:04","modified_gmt":"2025-06-12T08:57:04","slug":"mysql%e5%a4%87%e4%bb%bd%e4%b8%8e%e6%81%a2%e5%a4%8d","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=531","title":{"rendered":"MySQL\u5907\u4efd\u4e0e\u6062\u590d"},"content":{"rendered":"<h1>MySQL\u5907\u4efd\u4e0e\u6062\u590d<\/h1>\n<h2>\u4e00 \u6570\u636e\u5907\u4efd\u4ecb\u7ecd<\/h2>\n<h3>1.1 \u4e3a\u4f55\u8981\u5907\u4efd<\/h3>\n<p>\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u6211\u4eec\u6570\u636e\u5e93\u53ef\u80fd\u4f1a\u906d\u9047\u5404\u79cd\u5404\u6837\u7684\u4e0d\u6d4b\u4ece\u800c\u5bfc\u81f4\u6570\u636e\u4e22\u5931, \u5927\u6982\u5206\u4e3a\u4ee5\u4e0b\u51e0\u79cd.<\/p>\n<ul>\n<li>\u786c\u4ef6\u6545\u969c<\/li>\n<li>\u8f6f\u4ef6\u6545\u969c<\/li>\n<li>\u81ea\u7136\u707e\u5bb3<\/li>\n<li>\u9ed1\u5ba2\u653b\u51fb<\/li>\n<li>\u8bef\u64cd\u4f5c (\u5360\u6bd4\u6700\u5927)<\/li>\n<\/ul>\n<p>\u987b\u77e5\u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u670d\u52a1\u5668\u7684\u786c\u4ef6\u574f\u4e86\u53ef\u4ee5\u7ef4\u4fee\u6216\u8005\u6362\u65b0\uff0c\u8f6f\u4ef6\u5d29\u6e83\u53ef\u4ee5\u4fee\u590d\u6216\u91cd\u65b0\u5b89\u88c5, \u4f46\u662f\u5982\u679c\u6570\u636e\u6ca1\u4e86\u90a3\u53ef\u5c31\u6bc1\u4e86\uff0c\u751f\u4ea7\u73af\u5883\u4e2d\u6700\u91cd\u8981\u7684\u5e94\u8be5\u5c31\u662f\u6570\u636e\u4e86\u3002\u6240\u4ee5, \u4e3a\u4e86\u5728\u6570\u636e\u4e22\u5931\u4e4b\u540e\u80fd\u591f\u6062\u590d\u6570\u636e, \u6211\u4eec\u5c31\u9700\u8981\u5b9a\u671f\u7684\u5907\u4efd\u6570\u636e\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/07\/33.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/07\/33.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>ps\uff1a<\/p>\n<p>\u5728\u4e4b\u524d\u7684\u7ae0\u8282\u91cc\u6211\u4eec\u4ecb\u7ecd\u8fc7innodb\u5b58\u50a8\u5f15\u64ce\u6709\u81ea\u52a8\u7684\u6570\u636e\u6062\u590d\u529f\u80fd\uff0c\u5728\u6267\u884c\u4e00\u6761\u5199\u64cd\u4f5c\u5e76\u4e14commit\u6210\u529f\u65f6innodb\u5b58\u50a8\u5f15\u64ce\u4f1a\u5c06\u65b0\u6570\u636e\u5176\u5199\u5165redo log\uff0c\u6b64\u65f6\u5982\u679c\u6570\u636e\u5e93\u6302\u6389\uff0c\u91cd\u542f\u540e\u4ecd\u7136\u53ef\u4ee5\u4f9d\u636eredo log\u6765\u6062\u590d\u5c1a\u672a\u6267\u884c\u5b8c\u6bd5\u7684\u6570\u636e\uff0c\u8fd9\u8ddf\u672c\u8282\u8bb2\u7684\u6570\u636e\u5907\u4efd\u4e0e\u6062\u590d\u662f\u4e24\u56de\u4e8b\uff0c\u8bd5\u95ee\uff0c\u5982\u679c\u4f60\u4e00\u5f20\u8868\u7684\u6570\u636e\u4e0d\u5c0f\u5fc3\u5220\u6389\u4e86\uff0credo log\u80fd\u5e2e\u4f60\u6062\u590d\u5417\uff0cno\uff0c\u5b83\u53ea\u80fd\u5e2e\u4f60\u5b8c\u6210\u4f60\u5c1a\u672a\u5b8c\u6210\u7684\u64cd\u4f5c\uff0c\u800c\u5bf9\u4e8e\u4f60\u5df2\u7ecf\u5b8c\u6210\u7684\u64cd\u4f5c\uff0c\u5b83\u5e2e\u4e0d\u4e86\u4f60\u3002\u6240\u4ee5\u4e0d\u8981\u6df7\u6dc6\uff0c\u4e3a\u4e86\u9632\u6b62\u6570\u636e\u610f\u5916\u4e22\u5931\uff0c\u6211\u4eec\u8fd8\u662f\u5e94\u8be5\u505a\u597d\u5b9a\u671f\u7684\u6570\u636e\u5907\u4efd\u5de5\u4f5c\u3002<\/p>\n<h3>1.2 \u5907\u4efd\u4ec0\u4e48<\/h3>\n<p><strong>\u6211\u4eec\u8981\u5907\u4efd\u4ec0\u4e48?<\/strong><\/p>\n<p>\u4e00\u822c\u60c5\u51b5\u4e0b, \u6211\u4eec\u9700\u8981\u5907\u4efd\u7684\u6570\u636e\u5206\u4e3a\u4ee5\u4e0b\u51e0\u79cd<\/p>\n<ul>\n<li>\u6570\u636e<\/li>\n<li>\u4e8c\u8fdb\u5236\u65e5\u5fd7, InnoDB\u4e8b\u52a1\u65e5\u5fd7<\/li>\n<li>\u4ee3\u7801(\u5b58\u50a8\u8fc7\u7a0b\u3001\u5b58\u50a8\u51fd\u6570\u3001\u89e6\u53d1\u5668\u3001\u4e8b\u4ef6\u8c03\u5ea6\u5668)<\/li>\n<li>\u670d\u52a1\u5668\u914d\u7f6e\u6587\u4ef6<\/li>\n<\/ul>\n<h3>1.3 \u5907\u4efd\u7684\u7c7b\u578b<\/h3>\n<h4>1\uff09\u51b7\u5907\u3001\u6e29\u5907\u3001\u70ed\u5907<\/h4>\n<p>\u6309\u7167\u5907\u4efd\u65f6\u6570\u636e\u5e93\u7684\u8fd0\u884c\u72b6\u6001\uff0c\u53ef\u4ee5\u5206\u4e3a\u4e09\u79cd<\/p>\n<pre><code class=\"language-bash\">1\uff09\u51b7\u5907\uff1a\u505c\u5e93\u3001\u505c\u670d\u52a1\u6765\u5907\u4efd\r\n\u5373\u5f53\u6570\u636e\u5e93\u8fdb\u884c\u5907\u4efd\u65f6, \u6570\u636e\u5e93\u4e0d\u80fd\u8fdb\u884c\u8bfb\u5199\u64cd\u4f5c, \u5373\u6570\u636e\u5e93\u8981\u4e0b\u7ebf\r\n\r\n2\uff09\u6e29\u5907\uff1a\u4e0d\u505c\u5e93\u3001\u4e0d\u505c\u670d\u52a1\u6765\u5907\u4efd\uff0c\u4f1a(\u9501\u8868)\u963b\u6b62\u7528\u6237\u7684\u5199\u5165   \r\n\u5373\u5f53\u6570\u636e\u5e93\u8fdb\u884c\u5907\u4efd\u65f6, \u6570\u636e\u5e93\u7684\u8bfb\u64cd\u4f5c\u53ef\u4ee5\u6267\u884c, \u4f46\u662f\u4e0d\u80fd\u6267\u884c\u5199\u64cd\u4f5c \r\n\r\n3\uff09\u70ed\u5907\uff08\u5efa\u8bae\uff09\uff1a\u4e0d\u505c\u5e93\u3001\u4e0d\u505c\u670d\u52a1\u6765\u5907\u4efd\uff0c\u4e5f\u4e0d\u4f1a(\u9501\u8868)\u963b\u6b62\u7528\u6237\u7684\u5199\u5165\r\n\u5373\u5f53\u6570\u636e\u5e93\u8fdb\u884c\u5907\u4efd\u65f6, \u6570\u636e\u5e93\u7684\u8bfb\u5199\u64cd\u4f5c\u5747\u4e0d\u662f\u53d7\u5f71\u54cd <\/code><\/pre>\n<p><code>MySQL<\/code>\u4e2d\u8fdb\u884c\u4e0d\u540c\u7c7b\u578b\u7684\u5907\u4efd\u8fd8\u8981\u8003\u8651\u5b58\u50a8\u5f15\u64ce\u662f\u5426\u652f\u6301<\/p>\n<ul>\n<li>MyISAM\n<p>\u70ed\u5907 \u00d7<\/p>\n<p>\u6e29\u5907 \u221a<\/p>\n<p>\u51b7\u5907 \u221a<\/li>\n<li>InnoDB\n<p>\u70ed\u5907 \u221a<\/p>\n<p>\u6e29\u5907 \u221a<\/p>\n<p>\u51b7\u5907 \u221a<\/li>\n<\/ul>\n<h4>2\uff09\u7269\u7406\u4e0e\u903b\u8f91<\/h4>\n<p>\u6309\u7167\u5907\u4efd\u7684\u5185\u5bb9\u5206\uff0c\u53ef\u4ee5\u5206\u4e3a\u4e24\u79cd<\/p>\n<ul>\n<li>1\u3001\u7269\u7406\u5907\u4efd\uff1a\u76f4\u63a5\u5c06\u5e95\u5c42\u7269\u7406\u6587\u4ef6\u5907\u4efd<\/li>\n<li>2\u3001\u903b\u8f91\u5907\u4efd\uff1a\u901a\u8fc7\u7279\u5b9a\u7684\u5de5\u5177\u4ece\u6570\u636e\u5e93\u4e2d\u5bfc\u51fasql\u8bed\u53e5\u6216\u8005\u6570\u636e\uff0c\u53ef\u80fd\u4f1a\u4e22\u5931\u6570\u636e\u7cbe\u5ea6<\/li>\n<\/ul>\n<h4>3\uff09\u5168\u91cf\u3001\u5dee\u5f02\u3001\u589e\u91cf<\/h4>\n<p>\u6309\u7167\u6bcf\u6b21\u5907\u4efd\u7684\u6570\u636e\u91cf\uff0c\u53ef\u4ee5\u5206\u4e3a<\/p>\n<ul>\n<li>\u5168\u91cf\u5907\u4efd\/\u5b8c\u5168\u5907\u4efd\uff08Full Backup\uff09\uff1a\u5907\u4efd\u6574\u4e2a\u6570\u636e\u96c6( \u5373\u6574\u4e2a\u6570\u636e\u5e93 )<\/li>\n<li>\u90e8\u5206\u5907\u4efd\uff1a\u5907\u4efd\u90e8\u5206\u6570\u636e\u96c6(\u4f8b\u5982: \u53ea\u5907\u4efd\u4e00\u4e2a\u8868\u7684\u53d8\u5316)<\/li>\n<\/ul>\n<p>\u800c\u90e8\u5206\u5907\u4efd\u53c8\u5206\u4e3a\uff1a\u5dee\u5f02\u5907\u4efd\u548c\u589e\u91cf\u5907\u4efd\u4e24\u79cd<\/p>\n<pre><code class=\"language-bash\"># 1\u3001\u5dee\u5f02\u5907\u4efd\uff08Differential Backup\uff09\r\n\u6bcf\u6b21\u5907\u4efd\u65f6\uff0c\u90fd\u662f\u57fa\u4e8e\u7b2c\u4e00\u6b21\u5b8c\u5168\u5907\u4efd\u7684\u5185\u5bb9\uff0c\u53ea\u5907\u4efd\u6709\u5dee\u5f02\u7684\u6570\u636e(\u65b0\u589e\u7684\u3001\u4fee\u6539\u7684\u3001\u5220\u9664\u7684)\uff0c\u4f8b\u5982\r\n\r\n\u7b2c\u4e00\u6b21\u5907\u4efd\uff1a\u5b8c\u5168\u5907\u4efd\r\n\u7b2c\u4e8c\u6b21\u5907\u4efd\uff1a\u4ee5\u5f53\u524d\u65f6\u95f4\u8282\u70b9\u7684\u6570\u636e\u4e3a\u57fa\u7840\uff0c\u5907\u4efd\u4e0e\u7b2c\u4e00\u6b21\u5907\u4efd\u5185\u5bb9\u7684\u5dee\u5f02\r\n\u7b2c\u4e09\u6b21\u5907\u4efd\uff1a\u4ee5\u5f53\u524d\u65f6\u95f4\u8282\u70b9\u7684\u6570\u636e\u4e3a\u57fa\u7840\uff0c\u5907\u4efd\u4e0e\u7b2c\u4e00\u6b21\u5907\u4efd\u5185\u5bb9\u7684\u5dee\u5f02\r\n\u7b2c\u56db\u6b21\u5907\u4efd\uff1a\u4ee5\u5f53\u524d\u65f6\u95f4\u8282\u70b9\u7684\u6570\u636e\u4e3a\u57fa\u7840\uff0c\u5907\u4efd\u4e0e\u7b2c\u4e00\u6b21\u5907\u4efd\u5185\u5bb9\u7684\u5dee\u5f02\r\n\u7b2c\u4e94\u6b21\u5907\u4efd\uff1a\u4ee5\u5f53\u524d\u65f6\u95f4\u8282\u70b9\u7684\u6570\u636e\u4e3a\u57fa\u7840\uff0c\u5907\u4efd\u4e0e\u7b2c\u4e00\u6b21\u5907\u4efd\u5185\u5bb9\u7684\u5dee\u5f02\r\n\u3002\u3002\u3002\r\n\r\n# 2\u3001\u589e\u91cf\u5907\u4efd\uff08Incremental Backup \uff09\r\n\u6bcf\u6b21\u5907\u4efd\u65f6\uff0c\u90fd\u662f\u57fa\u4e8e\u4e0a\u4e00\u6b21\u5907\u4efd\u7684\u5185\u5bb9\uff08\u6ce8\u610f\u662f\u4e0a\u4e00\u6b21\uff0c\u800c\u4e0d\u662f\u7b2c\u4e00\u6b21\uff09\uff0c\u53ea\u5907\u4efd\u6709\u5dee\u5f02\u7684\u6570\u636e(\u65b0\u589e\u7684\u3001\u4fee\u6539\u7684\u3001\u5220\u9664\u7684)\uff0c\u6240\u4ee5\u589e\u91cf\u5907\u4efd\u7684\u7ed3\u679c\u662f\u4e00\u6761\u94fe\uff0c\u4f8b\u5982\r\n\r\n\u7b2c\u4e00\u6b21\u5907\u4efd\uff1a\u5b8c\u5168\u5907\u4efd\r\n\u7b2c\u4e8c\u6b21\u5907\u4efd\uff1a\u4ee5\u5f53\u524d\u65f6\u95f4\u8282\u70b9\u7684\u6570\u636e\u4e3a\u57fa\u7840\uff0c\u5907\u4efd\u4e0e\u7b2c\u4e00\u6b21\u5907\u4efd\u5185\u5bb9\u7684\u5dee\u5f02\r\n\u7b2c\u4e09\u6b21\u5907\u4efd\uff1a\u4ee5\u5f53\u524d\u65f6\u95f4\u8282\u70b9\u7684\u6570\u636e\u4e3a\u57fa\u7840\uff0c\u5907\u4efd\u4e0e\u7b2c\u4e8c\u6b21\u5907\u4efd\u5185\u5bb9\u7684\u5dee\u5f02\r\n\u7b2c\u56db\u6b21\u5907\u4efd\uff1a\u4ee5\u5f53\u524d\u65f6\u95f4\u8282\u70b9\u7684\u6570\u636e\u4e3a\u57fa\u7840\uff0c\u5907\u4efd\u4e0e\u7b2c\u4e09\u6b21\u5907\u4efd\u5185\u5bb9\u7684\u5dee\u5f02\r\n\u7b2c\u4e94\u6b21\u5907\u4efd\uff1a\u4ee5\u5f53\u524d\u65f6\u95f4\u8282\u70b9\u7684\u6570\u636e\u4e3a\u57fa\u7840\uff0c\u5907\u4efd\u4e0e\u7b2c\u56db\u6b21\u5907\u4efd\u5185\u5bb9\u7684\u5dee\u5f02\r\n\u3002\u3002\u3002<\/code><\/pre>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/07\/32-1.jpg'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/07\/32-1.jpg\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u9488\u5bf9\u4e0a\u8ff0\u4e09\u79cd\u5907\u4efd\u65b9\u6848\uff0c\u5982\u4f55\u6062\u590d\u6570\u636e\u5462<\/p>\n<pre><code class=\"language-bash\"># 1\u3001\u5168\u91cf\u5907\u4efd\u7684\u6570\u636e\u6062\u590d\r\n\u53ea\u9700\u627e\u51fa\u6307\u5b9a\u65f6\u95f4\u70b9\u7684\u90a3\u4e00\u4e2a\u5907\u4efd\u6587\u4ef6\u5373\u53ef\uff0c\u5373\u53ea\u9700\u8981\u627e\u5230\u4e00\u4e2a\u6587\u4ef6\u5373\u53ef\r\n\r\n# 2\u3001\u5dee\u5f02\u5907\u4efd\u7684\u6570\u636e\u6062\u590d\r\n\u9700\u8981\u5148\u6062\u590d\u7b2c\u4e00\u6b21\u5907\u4efd\u7684\u7ed3\u679c\uff0c\u7136\u540e\u518d\u6062\u590d\u6700\u8fd1\u4e00\u6b21\u5dee\u5f02\u5907\u4efd\u7684\u7ed3\u679c\uff0c\u5373\u9700\u8981\u627e\u5230\u4e24\u4e2a\u6587\u4ef6\r\n\r\n# 3\u3001\u589e\u91cf\u5907\u4efd\u7684\u6570\u636e\u6062\u590d\r\n\u9700\u8981\u5148\u6062\u590d\u7b2c\u4e00\u6b21\u5907\u4efd\u7684\u7ed3\u679c\uff0c\u7136\u540e\u518d\u4f9d\u6b21\u6062\u590d\u6bcf\u6b21\u589e\u91cf\u5907\u4efd\uff0c\u76f4\u5230\u6062\u590d\u5230\u5f53\u524d\u4f4d\u7f6e\uff0c\u5373\u9700\u8981\u627e\u5230\u4e00\u6761\u5907\u4efd\u94fe\r\n\r\n\u7efc\u4e0a\uff0c\u5bf9\u6bd4\u4e09\u79cd\u5907\u4efd\u65b9\u6848\r\n1\u3001\u5360\u7528\u7a7a\u95f4\uff1a\u5168\u91cf &gt; \u5dee\u5f02 &gt; \u589e\u91cf\r\n2\u3001\u6062\u590d\u6570\u636e\u8fc7\u7a0b\u7684\u590d\u6742\u7a0b\u5ea6\uff1a\u589e\u91cf &gt; \u5dee\u5f02 &gt; \u5168\u91cf<\/code><\/pre>\n<h3>1.4 \u5907\u4efd\u7684\u5de5\u5177<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u5907\u4efd\u5de5\u5177<\/th>\n<th>\u5907\u4efd\u901f\u5ea6<\/th>\n<th>\u6062\u590d\u901f\u5ea6<\/th>\n<th>\u4fbf\u6377\u6027<\/th>\n<th>\u9002\u7528\u5b58\u50a8\u5f15\u64ce<\/th>\n<th>\u652f\u6301\u7684\u5907\u4efd\u7c7b\u578b<\/th>\n<th>\u529f\u80fd<\/th>\n<th>\u5e94\u7528\u573a\u666f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>cp\u3001tar\u7b49\uff08\u7269\u7406\uff09<\/td>\n<td>\u5feb<\/td>\n<td>\u5feb<\/td>\n<td>\u4e00\u822c<\/td>\n<td>\u6240\u6709<\/td>\n<td>\u51b7\u5907\u3001\u5168\u91cf\u3001\u5dee\u5f02\u3001\u589e\u91cf<\/td>\n<td>\u5f88\u5f31<\/td>\n<td>\u5c11\u91cf\u6570\u636e\u5907\u4efd<\/td>\n<\/tr>\n<tr>\n<td>lvm2\u5feb\u7167\uff08\u7269\u7406\uff09<\/td>\n<td>\u5feb<\/td>\n<td>\u5feb<\/td>\n<td>\u4e00\u822c<\/td>\n<td>\u6240\u6709<\/td>\n<td>\u652f\u6301\u51e0\u4e4e\u70ed\u5907\uff08\u5373\u5dee\u4e0d\u591a\u662f\u70ed\u5907\uff0c\u54c8\u54c8\uff09\uff0c\u662f\u501f\u52a9\u6587\u4ef6\u7cfb\u7edf\u7ba1\u7406\u5de5\u5177\u8fdb\u884c\u7684\u5907\u4efd<\/td>\n<td>\u4e00\u822c<\/td>\n<td>\u4e2d\u5c0f\u578b\u6570\u636e\u91cf\u7684\u5907\u4efd<\/td>\n<\/tr>\n<tr>\n<td>xtrabackup\uff08\u7269\u7406\uff09<\/td>\n<td>\u8f83\u5feb<\/td>\n<td>\u8f83\u5feb<\/td>\n<td>\u662f\u4e00\u6b3e\u975e\u5e38\u5f3a\u5927\u7684\u70ed\u5907\u5de5\u5177<\/td>\n<td>\u7531<code>percona<\/code>\u63d0\u4f9b\uff0c\u53ea\u652f\u6301InnoDB\/XtraDB<\/td>\n<td>\u70ed\u5907\u3001\u5168\u91cf\u3001\u5dee\u5f02\u3001\u589e\u91cf<\/td>\n<td>\u5f3a\u5927<\/td>\n<td>\u8f83\u5927\u89c4\u6a21\u7684\u5907\u4efd<\/td>\n<\/tr>\n<tr>\n<td>mysqldump\uff08\u903b\u8f91\uff09<\/td>\n<td>\u6162<\/td>\n<td>\u6162<\/td>\n<td>\u4e00\u822c<\/td>\n<td>\u6240\u6709<\/td>\n<td>\u652f\u6301\u6e29\u5907\u3001\u5b8c\u5168\u5907\u4efd\u3001\u90e8\u5206\u5907\u4efd\u3001\u5bf9\u4e8e<strong>InnoDB<\/strong>\u5b58\u50a8\u5f15\u64ce\u652f\u6301\u70ed\u5907<\/td>\n<td>\u4e00\u822c<\/td>\n<td>\u4e2d\u5c0f\u578b\u6570\u636e\u91cf\u7684\u5907\u4efd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u6b64\u5916\uff0c\u5982\u679c\u8003\u8651\u5230\u589e\u91cf\u5907\u4efd\uff0c\u8fd8\u9700\u8981\u7ed3\u5408binlog\u65e5\u5fd7\uff08binlog\u53ea\u5c5e\u4e8e\u589e\u91cf\u6062\u590d\uff09\uff0c\u9700\u8981\u7528\u5230\u5de5\u5177mysqlbinlog\uff0c\u76f8\u5f53\u4e8e\u903b\u8f91\u5907\u4efd\u7684\u4e00\u79cd<\/p>\n<h2>\u4e8c \u8bbe\u8ba1\u5907\u4efd\u7b56\u7565<\/h2>\n<h3>2.1 \u5907\u4efd\u7b56\u7565\u8bbe\u8ba1\u7684\u53c2\u8003\u503c<\/h3>\n<p>\u5907\u4efd\u6570\u636e\u7684\u7b56\u7565\u8981\u6839\u636e\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u8fdb\u884c\u5b9a\u5236, \u5927\u81f4\u6709\u51e0\u4e2a\u53c2\u8003\u6570\u503c, \u6211\u4eec\u53ef\u4ee5\u6839\u636e\u8fd9\u4e9b\u6570\u503c\u4ece\u800c\u5b9a\u5236\u7b26\u5408\u7279\u5b9a\u73af\u5883\u4e2d\u7684\u6570\u636e\u5907\u4efd\u7b56\u7565<\/p>\n<ul>\n<li>\u80fd\u591f\u5bb9\u5fcd\u4e22\u5931\u591a\u5c11\u6570\u636e<\/li>\n<li>\u6062\u590d\u6570\u636e\u9700\u8981\u591a\u957f\u65f6\u95f4<\/li>\n<li>\u9700\u8981\u6062\u590d\u54ea\u4e00\u4e9b\u6570\u636e<\/li>\n<\/ul>\n<h3>2.2 \u4e09\u79cd\u5907\u4efd\u7b56\u7565\u53ca\u5e94\u7528\u573a\u666f<\/h3>\n<p>\u9488\u5bf9\u4e0d\u540c\u7684\u573a\u666f\u4e0b, \u6211\u4eec\u5e94\u8be5\u5236\u5b9a\u4e0d\u540c\u7684\u5907\u4efd\u7b56\u7565\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u5907\u4efd, \u4e00\u822c\u60c5\u51b5\u4e0b, \u5907\u4efd\u7b56\u7565\u4e00\u822c\u4e3a\u4ee5\u4e0b\u4e09\u79cd<\/p>\n<ul>\n<li><strong>\u76f4\u63a5cp,tar\u590d\u5236\u6570\u636e\u5e93\u6587\u4ef6<\/strong><\/li>\n<li><strong>mysqldump+\u590d\u5236BIN LOGS<\/strong><\/li>\n<li><strong>lvm2\u5feb\u7167+\u590d\u5236BIN LOGS<\/strong><\/li>\n<li><strong>xtrabackup+\u590d\u5236BIN LOGS**<\/strong><\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u7684\u51e0\u79cd\u89e3\u51b3\u65b9\u6848\u5206\u522b\u9488\u5bf9\u4e8e\u4e0d\u540c\u7684\u573a\u666f<\/p>\n<ol>\n<li>\u5982\u679c\u6570\u636e\u91cf\u8f83\u5c0f, \u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e00\u79cd\u65b9\u5f0f, \u76f4\u63a5\u590d\u5236\u6570\u636e\u5e93\u6587\u4ef6<\/li>\n<li>\u5982\u679c\u6570\u636e\u91cf\u8fd8\u884c, \u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e8c\u79cd\u65b9\u5f0f, \u5148\u4f7f\u7528mysqldump\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u5b8c\u5168\u5907\u4efd, \u7136\u540e\u5b9a\u671f\u5907\u4efdBINARY LOG\u8fbe\u5230\u589e\u91cf\u5907\u4efd\u7684\u6548\u679c<\/li>\n<li>\u5982\u679c\u6570\u636e\u91cf\u4e00\u822c, \u800c\u53c8\u4e0d\u8fc7\u5206\u5f71\u54cd\u4e1a\u52a1\u8fd0\u884c, \u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e09\u79cd\u65b9\u5f0f, \u4f7f\u7528<code>lvm2<\/code>\u7684\u5feb\u7167\u5bf9\u6570\u636e\u6587\u4ef6\u8fdb\u884c\u5907\u4efd, \u800c\u540e\u5b9a\u671f\u5907\u4efdBINARY LOG\u8fbe\u5230\u589e\u91cf\u5907\u4efd\u7684\u6548\u679c<\/li>\n<li>\u5982\u679c\u6570\u636e\u91cf\u5f88\u5927, \u800c\u53c8\u4e0d\u8fc7\u5206\u5f71\u54cd\u4e1a\u52a1\u8fd0\u884c, \u53ef\u4ee5\u4f7f\u7528\u7b2c\u56db\u79cd\u65b9\u5f0f, \u4f7f\u7528<code>xtrabackup<\/code>\u8fdb\u884c\u5b8c\u5168\u5907\u4efd\u540e, \u5b9a\u671f\u4f7f\u7528<code>xtrabackup<\/code>\u8fdb\u884c\u589e\u91cf\u5907\u4efd\u6216\u5dee\u5f02\u5907\u4efd<\/li>\n<\/ol>\n<h2>\u4e09 \u5907\u4efd\u5b9e\u6218<\/h2>\n<h3>3.1 \u4f7f\u7528cp\u8fdb\u884c\u5907\u4efd<\/h3>\n<p>\u5907\u4efd\u6b65\u9aa4<\/p>\n<pre><code class=\"language-bash\">#1\u3001\u5411\u6240\u6709\u8868\u65bd\u52a0\u8bfb\u9501\r\nFLUSH TABLES WITH READ LOCK;  \r\n\r\n#2\u3001\u5907\u4efd\u6570\u636e\u6587\u4ef6\r\nmkdir \/egon_bak\r\ncp -a \/var\/lib\/mysql\/* \/egon_bak<\/code><\/pre>\n<p>\u6a21\u62df\u6570\u636e\u4e22\u5931\u5e76\u6062\u590d<\/p>\n<pre><code class=\"language-bash\"># \u6570\u636e\u4e22\u5931\r\nrm -rf \/var\/lib\/mysql\/*\r\n\r\n# \u6062\u590d\u6570\u636e\r\ncp -a \/egon_bak\/* \/var\/lib\/mysql\r\n\r\n# \u91cd\u542f\u670d\u52a1\r\nsystemctl restart mysql<\/code><\/pre>\n<h3>3.2 \u4f7f\u7528mysqldump+\u590d\u5236BINARY LOGS\u5907\u4efd<\/h3>\n<p>mysqldump\u547d\u4ee4<\/p>\n<pre><code class=\"language-bash\">#==========\u8bed\u6cd5\r\nmysqldump  -h \u670d\u52a1\u5668  -u\u7528\u6237\u540d  -p\u5bc6\u7801  \u9009\u9879\u4e0e\u53c2\u6570 &gt; \u5907\u4efd\u6587\u4ef6.sql\r\n\r\n===\u9009\u9879\u4e0e\u53c2\u6570\r\n1\u3001-A\/--all-databases             \u6240\u6709\u5e93\r\n2\u3001-B\/--databases bbs db1 db2     \u591a\u4e2a\u6570\u636e\u5e93\r\n3\u3001db1                          \u6570\u636e\u5e93\u540d\r\n4\u3001db1 t1 t2                 db1\u6570\u636e\u5e93\u7684\u8868t1\u3001t2\r\n5\u3001-F                           \u5907\u4efd\u7684\u540c\u65f6\u5237\u65b0binlog\r\n6\u3001-R \u5907\u4efd\u5b58\u50a8\u8fc7\u7a0b\u548c\u51fd\u6570\u6570\u636e\uff08\u5982\u679c\u5f00\u53d1\u5199\u4e86\u51fd\u6570\u548c\u5b58\u50a8\u8fc7\u7a0b\uff0c\u5c31\u5907\uff0c\u6ca1\u5199\u5c31\u4e0d\u5907\uff09\r\n7\u3001--triggers \u5907\u4efd\u89e6\u53d1\u5668\u6570\u636e\uff08\u73b0\u5728\u90fd\u662f\u5f00\u53d1\u5199\u89e6\u53d1\u5668\uff09\r\n8\u3001-E\/--events \u5907\u4efd\u4e8b\u4ef6\u8c03\u5ea6\u5668\r\n9\u3001-d \u4ec5\u8868\u7ed3\u6784\r\n10\u3001-t \u4ec5\u6570\u636e\r\n11\u3001--master-data=1  \u5907\u4efd\u6587\u4ef6\u4e2d change master\u8bed\u53e5\u662f\u6ca1\u6709\u6ce8\u91ca\u7684\uff0c\u9ed8\u8ba4\u4e3a1\r\n\u7528\u4e8e\u5df2\u7ecf\u5236\u4f5c\u597d\u4e86\u4e3b\u4ece\uff0c\u73b0\u5728\u60f3\u6269\u5c55\u4e00\u4e2a\u4ece\u5e93\u7684\u65f6\u5019\u4f7f\u7528\r\n\u5982\u6b64\u5907\u4efd\uff0c\u6269\u5c55\u6dfb\u52a0\u4ece\u5e93\u65f6\u5bfc\u5165\u5907\u4efd\u6587\u4ef6\u540e\r\n\u4fbf\u4e0d\u9700\u8981\u518d\u52a0mater_pos\u4e86\r\nchange matser to\r\nmaster_host='10.0.0.111'\r\nmaster_user='rep'\r\nmaster_password=123\r\nmaster_log_pos=120\r\nmaster_log_file='master-bin.000001'\r\n\r\n12\u3001--master-data=2  \u5907\u4efd\u6587\u4ef6\u4e2d change master\u8bed\u53e5\u662f\u88ab\u6ce8\u91ca\u7684 \r\n\r\n13\u3001--lock-all-tables \u5907\u4efd\u8fc7\u7a0b\u4e2d\u6240\u6709\u8868\u4ece\u5934\u9501\u5230\u5c3e\uff0c\u7b80\u5355\u7c97\u66b4\r\n\u5728mysqldump\u5bfc\u51fa\u7684\u6574\u4e2a\u8fc7\u7a0b\u4e2d\u4ee5read\u65b9\u5f0f\u9501\u4f4f\u6570\u636e\u5e93\u4e2d\u6240\u6709\u8868\uff0c\u7c7b\u4f3c flush tables with read lock \u7684\u5168\u5c40\u9501\uff09\uff0c\r\n\u8fd9\u662f\u4e00\u4e2a\u5168\u5c40\u8bfb\u9501\uff0c\u53ea\u5141\u8bb8\u8bfb\u4e0d\u5141\u8bb8\u5199\uff0c\u4ee5\u6b64\u4fdd\u8bc1\u6570\u636e\u4e00\u81f4\u6027\u3002\r\n\u6bd4\u5982\u5f53\u524d\u6570\u636e\u5e93\u6709\u5982\u4e0bschema\uff1a\r\ninformation_schema\uff08\u4e0d\u4f1a\u5bfc\u51fa\uff09\r\nmysql\r\nperformance_schema\uff08\u4e0d\u4f1a\u5bfc\u51fa\uff09\r\nsys\uff08\u4e0d\u4f1a\u5bfc\u51fa\uff09\r\ntest\r\ntest1\r\ntest2\r\n\u90a3\u4e48\u6211\u4eec\u5728\u4f7f\u7528mysqldump\u5bfc\u51fa\u65f6\uff1a\r\nmysqldump --lock-all-tables --set-gtid-purged=on -AER &gt; test.sql\r\n\u6307\u5b9a--lock-all-tables\u53c2\u6570\uff0c\u90a3\u4e48\u4ece\u4e00\u5f00\u59cb\u5c31\u5bf9\u6574\u4e2amysql\u5b9e\u4f8b\u52a0global read lock\u9501\u3002\r\n\u8fd9\u6574\u4e2a\u5168\u5c40\u8bfb\u9501\u4f1a\u4e00\u76f4\u6301\u7eed\u5230\u5bfc\u51fa\u7ed3\u675f\u3002\r\n\u6240\u4ee5\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u6570\u636e\u5e93\u5b9e\u9645\u4e25\u683c\u5904\u4e8eread only\u72b6\u6001\u3002\r\n\u6240\u4ee5\u5bfc\u51fa\u7684\u6570\u636e\u5e93\u5728\u6570\u636e\u4e00\u81f4\u6027\u4e0a\u662f\u88ab\u4e25\u683c\u4fdd\u8bc1\u7684\uff0c\u4e5f\u5c31\u662f\u6570\u636e\u662f\u4e00\u81f4\u6027\u7684\u3002\r\n\u7531\u4e8e\u8fd9\u4e2a\u53c2\u6570\u4f1a\u5c06\u6570\u636e\u5e93\u7f6e\u4e8eread only\u72b6\u6001\uff08\u4e5f\u76f8\u5f53\u4e8e\u4e0d\u53ef\u4f7f\u7528\u72b6\u6001\uff09\uff0c\u6240\u4ee5\u9ed8\u8ba4\u4e0d\u52a0\u8be5\u53c2\u6570\u3002\r\n\u8fd9\u76f8\u5f53\u4e8e\u8131\u673a\u5907\u4efd\u7684\u611f\u89c9\uff0c\u6240\u4ee5\u751f\u4ea7\u6570\u636e\u5e93\u7684\u5907\u4efd\u7b56\u7565\u4e0a\uff0c\u4e5f\u5f88\u5c11\u4f7f\u7528\u8be5\u53c2\u6570\u3002\r\n\r\n\u8be5\u53c2\u6570\u672c\u8eab\u9ed8\u8ba4off,\u4f46\u4f7f\u7528\u8be5\u53c2\u6570\u7684\u8bdd\uff0c\u4e5f\u4f1a\u81ea\u52a8\u5c06 --single-transaction \u53ca --lock-tables \u53c2\u6570\u7f6e\u4e8e off \u72b6\u6001,\u4ed6\u4eec\u662f\u4e92\u65a5\u7684\u3002\r\n\r\n\u5bf9\u4e8e\u652f\u6301\u4e8b\u52a1\u7684\u8868\u4f8b\u5982InnoDB\u548cBDB\uff0c\u63a8\u8350\u4f7f\u7528--single-transaction\u9009\u9879\uff0c\u56e0\u4e3a\u5b83\u6839\u672c\u4e0d\u9700\u8981\u9501\u5b9a\u8868\r\n\r\n14\u3001--single-transaction\uff1a \u5feb\u7167\u5907\u4efd \uff08\u642d\u914d--master-data\u53ef\u4ee5\u505a\u5230\u70ed\u5907\uff09\r\n\u4fdd\u8bc1\u5404\u4e2a\u8868\u5177\u6709\u6570\u636e\u4e00\u81f4\u6027\u5feb\u7167\u3002\r\n\u6307\u5b9a --single-transaction \u53c2\u6570\uff0c\u90a3\u4e48\u5bfc\u51fa\u8fc7\u7a0b\u4e2d\u53ea\u80fd\u4fdd\u8bc1\u6bcf\u4e2a\u8868\u7684\u6570\u636e\u4e00\u81f4\u6027\uff08\u5229\u7528\u591a\u7248\u672c\u7279\u6027\u5b9e\u73b0\uff0c\u76ee\u524d\u53ea\u80fd\u9488\u5bf9InnoDB\u4e8b\u52a1\u8868\uff09\u3002\r\n\u6bd4\u5982\u6709\u4e00\u4e2a\u5927\u8868\uff0cmysqldump\u5bf9\u8be5\u8868\u7684\u5bfc\u51fa\u9700\u89811\u5206\u949f\uff0c\u90a3\u4e48\u5728\u8fd91\u5206\u949f\u7684\u8fc7\u7a0b\u4e2d\uff0c\u8be5\u8868\u65f6\u53ef\u4ee5\u88ab\u6b63\u5e38\u8bbf\u95ee\u7684\u3002\r\n\uff08\u6b63\u5e38\u8bbf\u95ee\u5305\u62ec\u589e\u5220\u6539\u67e5\uff0c\u4f46\u662falter table\u7b49\u5bf9\u8868\u7ed3\u6784\u53d1\u751f\u66f4\u6539\u7684\u8bed\u53e5\u8981\u88ab\u6302\u8d77\u3002\uff09\r\nmysqldump\u80fd\u591f\u4fdd\u8bc1\u4ece\u5f00\u59cb\u5bf9\u8be5\u8868\u8fdb\u884c\u5bfc\u51fa\uff0c\u4e00\u76f4\u5230\u5bf9\u8be5\u8868\u7684\u5bfc\u51fa\u7ed3\u675f\uff0c\u8be5\u8868\u7684\u6570\u636e\u90fd\u662f\u5f00\u59cb\u7684\u4e00\u81f4\u6027\u6570\u636e\u5feb\u7167\u72b6\u6001\u3002\r\n\u6240\u4ee5\u8be5\u53c2\u6570\u660e\u663e\u4e0d\u80fd\u4fdd\u8bc1\u5404\u4e2a\u8868\u4e4b\u95f4\u7684\u6570\u636e\u4e00\u81f4\u6027\uff08\u7279\u522b\u662f\u5916\u952e\u7ea6\u675f\u7684\u7236\u8868\u548c\u5b50\u8868\u4e4b\u95f4\uff09\u3002\r\n\u4f46\u662f\u8be5\u53c2\u6570\u80fd\u591f\u8ba9\u6570\u636e\u5e93\u5904\u4e8e\u53ef\u4f7f\u7528\uff08\u5c31\u662f\u5e94\u7528\u611f\u89c9\u6570\u636e\u5e93\u53ef\u7528\uff09\u72b6\u6001\uff0c\u76f8\u5f53\u4e8e\u8054\u673a\u5907\u4efd\uff0c\u6240\u4ee5\u88ab\u7ecf\u5e38\u4f7f\u7528\u3002\r\n\u8be5\u53c2\u6570\u9ed8\u8ba4off\u3002\r\n\r\n15\u3001--lock-tables\uff1a\u5982\u679c\u662f\u5907\u4efd\u6240\u6709\u5e93\uff0c\u90a3\u4e48\u5907\u4efd\u5230\u67d0\u4e2a\u5e93\u65f6\u53ea\u9501\u67d0\u4e2a\u5e93\uff0c\u5176\u4ed6\u5e93\u53ef\u5199\uff0c\u800c--lock-all-tables\u662f\u4ece\u59cb\u81ea\u7ec8\u90fd\u5168\u90fd\u9501\u5b9a\r\n\r\n\u4fdd\u8bc1\u5404\u4e2aschema\u5177\u6709\u6570\u636e\u4e00\u81f4\u6027\u5feb\u7167\u3002\r\n\u6307\u5b9a --lock-tables \u53c2\u6570\uff0c\u90a3\u4e48\u5728\u5bfc\u51fa\u8fc7\u7a0b\u4e2d\u80fd\u591f\u4fdd\u8bc1\u5404\u4e2aschema\u7684\u6570\u636e\u4e00\u81f4\u6027\u3002\r\n\u6bd4\u5982\u5bfc\u51fa cms \u5e93\uff08\u8be5\u5e93\u6709155\u5f20\u8868\uff09\u65f6\uff1a\r\nmysqldump --lock-tables --set-gtid-purged=off -ER -B cms&gt;test.sql\r\n\u4ece\u547d\u4ee4\u5f00\u59cb\uff0c\u5c31\u5bf9 cms \u5e93\u7684155\u5f20\u8868\u52a0\u7c7b\u4f3c lock table xxx read \u7684\u8bfb\u9501\u3002\r\n\u8fd9\u4f1a\u5bfc\u81f4\u5728\u5bfc\u51fa\u6574\u4e2acms\u5e93\u7684\u8fc7\u7a0b\u4e2d\uff0ccms\u5e93\u5b9e\u9645\u4e0a\u6574\u4f53\u5904\u4e8eread only\u72b6\u6001\u3002\r\n\u4f46\u662f\u5982\u679c\u6211\u4eec\u6307\u5b9a\u5982\u4e0b\u547d\u4ee4\uff1a\r\nmysqldump --lock-tables --set-gtid-purged=on -AER &gt;test.sql\r\n\u6765\u5bfc\u51fa\u5168\u90e8mysql\u5e93\uff0c\u90a3\u4e48\u5f53\u5bfc\u51facms\u5e93\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5176\u4ed6 schema \u5b9e\u9645\u4e0a\u662f\u53ef\u4ee5\u88ab\u6b63\u5e38\u8bbf\u95ee\u7684\u3002\r\n\u8fd9\u4e2a\u6b63\u5e38\u8bbf\u95ee\u5c31\u662f\u53ef\u4ee5\u63a5\u53d7\u6240\u6709\u5408\u6cd5\u7684sql\u8bed\u53e5\u3002\r\n\u6240\u4ee5\u8be5\u53c2\u6570\u53ea\u80fd\u4fdd\u8bc1\u5404\u4e2aschema\u81ea\u5df1\u7684\u6570\u636e\u4e00\u81f4\u6027\u5feb\u7167\u3002\r\n\u8be5\u53c2\u6570\u9ed8\u8ba4on\u3002\r\n\r\n#==========\u5b8c\u6574\u8bed\u53e5 \r\nmysqldump -uroot -pEgon@123 -A -E -R --triggers --master-data=2 --single-transaction &gt; \/backup\/full.sql\r\n\r\n#====\u6587\u4ef6\u592a\u5927\u65f6\u53ef\u4ee5\u538b\u7f29 gzip \uff0c\u4f46\u662fgzip\u4e0d\u5c5e\u4e8emysql\u72ec\u6709\u7684\u547d\u4ee4\uff0c\u53ef\u4ee5\u5229\u7528\u7ba1\u9053\r\nmysqldump -uroot -pEgon@123 -A -E -R --triggers --master-data=2 --single-transaction | gzip &gt; \/tmp\/full$(date +%F).sql.gz\r\n\r\n#====\u5bfc\u51fa\u65f6\u538b\u7f29\u4e86\uff0c\u5bfc\u5165\u65f6\u9700\u8981\u89e3\u538b\uff0c\u53ef\u4ee5\u4f7f\u7528zcat\u547d\u4ee4\uff0c\u5f88\u65b9\u4fbf\r\nzcat \/backup\/full$(date +%F).sql.gz | mysql -uroot -p123<\/code><\/pre>\n<p>\u50a8\u5907\u77e5\u8bc6\uff1abinlog\u5185\u5bb9\u5f88\u591a\uff0c\u5982\u4f55\u5b9a\u4f4d\u5230\u67d0\u4e2a\u56fa\u5b9a\u7684\u70b9<\/p>\n<pre><code class=\"language-bash\">===&gt; 1\u3001grep\u8fc7\u6ee4\r\n\r\n===&gt; 2\u3001\u68c0\u67e5\u4e8b\u4ef6\uff1a\u4f9d\u636eEnd_log_pos\u7684\u63d0\u793a\uff0c\u6765\u786e\u5b9a\u67d0\u4e00\u4e2a\u4e8b\u4ef6\u7684\u8d77\u59cb\u4f4d\u7f6e\u4e0e\u7ed3\u675f\u4f4d\u7f6e\r\nmysql&gt; show binlog events in 'mybinlog.000001'; \r\n\u5982\u679c\u4e8b\u4ef6\u5f88\u591a\uff0c\u53ef\u4ee5\u5206\u6bb5\u67e5\u770b\r\nmysql&gt; show binlog events in 'mybinlog.000001' limit 0,30; \r\nmysql&gt; show binlog events in 'mybinlog.000001' limit 30,30; \r\nmysql&gt; show binlog events in 'mybinlog.000001' limit 60,30; \r\n\r\n===&gt; 3\u3001\u5229\u7528mysqlbinlog\u547d\u4ee4\r\n\u751f\u4ea7\u4e2d\u5f88\u591a\u5e93\uff0c\u53ea\u6709\u4e00\u4e2a\u5e93\u7684\u8868\u88ab\u5220\u9664\uff0c\u6211\u4e0d\u53ef\u80fd\u628a\u6240\u6709\u7684\u5e93\u90fd\u5bfc\u51fa\u6765\u7b5b\u9009\uff0c\u56e0\u4e3a\u90a3\u6837\u5b50binlog\u5185\u5bb9\u5f88\u591a\uff0c\u8fa8\u522b\u590d\u6742\u5ea6\u9ad8\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528\r\n\r\n[root@egon mysql]# mysqlbinlog -d db1 --start-position=123 --stop-position=154 mybinlog.000001 --base64-output=decode-rows -vvv | grep -v 'SET'\r\n\r\n\u53c2\u6570\u89e3\u91ca\uff1a\r\n1\uff09-d \u53c2\u6570\u63a5\u5e93\u540d\r\nmysqlbinlog -d database --base64-output=decode-rows -vvv mysql-bin.000002\r\n2\uff09--base64-output  \u663e\u793a\u6a21\u5f0f\r\n3\uff09-vvv          \u663e\u793a\u8be6\u7ec6\u4fe1\u606f<\/code><\/pre>\n<p>\u5907\u4efd\uff1a<\/p>\n<pre><code class=\"language-bash\"># 1\u3001\u5148\u6253\u5f00binlog\u65e5\u5fd7\r\nvim \/etc\/my.cnf\r\n[mysqld]\r\nserver_id=1\r\nlog-bin=\/var\/lib\/mysql\/mybinlog\r\nbinlog_format='row' #(row,statement,mixed)    \r\nbinlog_rows_query_log_events=on\r\nmax_binlog_size=100M\r\n\r\n# 2\u3001\u767b\u5f55\u6570\u636e\u5e93\uff0c\u63d2\u5165\u6d4b\u8bd5\u6570\u636e\r\nmysql&gt; create database db3;\r\nmysql&gt; use db3;\r\nmysql&gt; create table t1(id int);\r\nmysql&gt; insert t1 values(1),(2),(3);\r\n\r\n# 3\u3001\u5728\u547d\u4ee4\u884c\u6267\u884c\u547d\u4ee4\uff0c\u8fdb\u884c\u5168\u91cf\u5907\u4efd\r\n[root@egon mysql]# mysqldump -uroot -pEgon@123 -A -R --triggers --master-data=2 --single-transaction | gzip &gt; \/tmp\/full.sql.gz\r\n\r\n# 4\u3001\u5728\u547d\u4ee4\u884c\u6267\u884c\u547d\u4ee4\uff0c\u5237\u65b0binlog\uff0c\u4fbf\u4e8e\u65e5\u540e\u67e5\u627e\r\n[root@egon mysql]# mysql -uroot -pEgon@123 -e \"flush logs\"\r\n\r\n# 5\u3001\u767b\u5f55\u6570\u636e\u5e93\uff0c\u518d\u63d2\u5165\u4e00\u4e9b\u6570\u636e\uff0c\u6a21\u62df\u589e\u91cf\uff0c\u8fd9\u4e9b\u6570\u636e\u5199\u5165\u4e86\u65b0\u7684binlog\r\nmysql&gt; use db3;\r\nmysql&gt; insert t1 values(4),(5),(6);<\/code><\/pre>\n<p>\u6a21\u62df\u6570\u636e\u635f\u574f\u6062\u590d<\/p>\n<pre><code class=\"language-bash\"># \u6a21\u62df\u6570\u636e\u4e22\u5931\r\nmysql&gt; drop database db1;\r\n\r\n# \u6062\u590d\u6570\u636e\r\n# 1\u3001mysql\u6570\u636e\u5bfc\u5165\u65f6\uff0c\u4e34\u65f6\u5173\u95edbinlog\uff0c\u4e0d\u8981\u5c06\u6062\u590d\u6570\u636e\u7684\u5199\u64cd\u4f5c\u4e5f\u8bb0\u5165\r\nmysql&gt; set sql_log_bin=0;\r\n\r\n# 2\u3001\u5148\u6062\u590d\u5168\u91cf\r\nmysql&gt; source \/tmp\/full.sql\r\n\r\n\u5982\u679c\u662f\u538b\u7f29\u5305\u5462\uff0c\u90a3\u5c31\u8fd9\u4e48\u505a\r\nmysql&gt; system zcat \/tmp\/full.sql.gz | mysql -uroot -pEgon@123\r\n\r\n# 3\u3001\u518d\u6062\u590d\u589e\u91cf\r\n\u5bfc\u51fa\uff1a\u6ce8\u610f\u5bfc\u51fabinlog\u65f6\u4e0d\u8981\u52a0\u9009\u9879--base64-output\r\n[root@egon mysql]# mysqlbinlog mybinlog.000002 --stop-position=531 &gt; \/tmp\/last_bin.log\r\n\u5bfc\u5165\r\nmysql&gt; source \/tmp\/last_bin.log\r\n\r\n# 4\u3001\u5f00\u542f\u4e8c\u8fdb\u5236\u65e5\u5fd7\r\nmysql&gt; SET sql_log_bin=ON; <\/code><\/pre>\n<p>\u6d4b\u8bd5\u5728\u7ebf\u70ed\u5907\u4efd<\/p>\n<p>\u53ef\u4ee5\u5148\u51c6\u5907\u4e00\u4e2a\u5b58\u50a8\u8fc7\u7a0b\uff0c\u4e00\u76f4\u4fdd\u6301\u5199\u5165\u64cd\u4f5c\uff0c\u7136\u540e\u9a8c\u8bc1\u70ed\u5907<\/p>\n<pre><code class=\"language-bash\">#1. \u51c6\u5907\u5e93\u4e0e\u8868\r\ncreate database if not exists db1;\r\nuse db1;\r\ncreate table s1(\r\nid int,\r\nname varchar(20),\r\ngender char(6),\r\nemail varchar(50)\r\n);\r\n\r\n#2. \u521b\u5efa\u5b58\u50a8\u8fc7\u7a0b\uff0c\u6bcf\u96943\u79d2\u63d2\u5165\u4e00\u6761\r\ndelimiter $$ #\u58f0\u660e\u5b58\u50a8\u8fc7\u7a0b\u7684\u7ed3\u675f\u7b26\u53f7\u4e3a$$\r\ncreate procedure auto_insert1()\r\nBEGIN\r\n    declare i int default 1;\r\n    while(i&lt;3000000)do\r\n        insert into s1 values(i,'egon','male',concat('egon',i,'@oldboy'));\r\n        select concat('egon',i,'_ok') as name,sleep(3);\r\n        set i=i+1;\r\n    end while;\r\nEND$$ #$$\u7ed3\u675f\r\ndelimiter ;\r\n\r\n#3. \u67e5\u770b\u5b58\u50a8\u8fc7\u7a0b\r\nshow create procedure auto_insert1\\G <\/code><\/pre>\n<p>\u5907\u4efd\uff1a<\/p>\n<pre><code class=\"language-bash\"># 1\u3001\u5148\u6253\u5f00binlog\u65e5\u5fd7\r\n\u7565\r\n\r\n# 2\u3001\u767b\u5f55\u6570\u636e\u5e93\uff0c\u6267\u884c\u5b58\u50a8\u8fc7\u7a0b\r\nmysql&gt; use db1;\r\nmysql&gt; call auto_insert1();\r\n\r\n\u82e5\u60f3\u6740\u6b7b\u5b58\u50a8\u8fc7\u7a0b\r\nmysql&gt; show processlist; -- \u67e5\u51faid\r\nmysql&gt; kill id\u53f7;\r\n\r\n# 3\u3001\u5728\u547d\u4ee4\u884c\u6267\u884c\u4e0b\u8ff0\u547d\u4ee4\uff0c\u8fdb\u884c\u5168\u91cf\u5907\u4efd\r\n[root@egon mysql]# mysqldump -uroot -pEgon@123 -A -R --triggers --master-data=2 --single-transaction | gzip &gt; \/tmp\/full.sql.gz\r\n\r\n# 4\u3001\u5168\u91cf\u5907\u4efd\u5b8c\u6bd5\u540e\u7684\u4e00\u6bb5\u65f6\u95f4\u91cc\uff0c\u6570\u636e\u4f9d\u7136\u63d2\u5165\uff0c\u5199\u5165\u4e86mybinlog.000001\u4e2d\r\n#    \u7136\u540e\u6211\u4eec\u5728\u547d\u4ee4\u884c\u5237\u65b0binlog\uff0c\u4ea7\u751f\u4e86\u65b0\u7684mybinlog.000002\r\n[root@egon mysql]# mysql -uroot -pEgon@123 -e \"flush logs\"\r\n\r\n# 5\u3001\u6b64\u65f6\u6570\u636e\u4f9d\u7136\u5728\u63d2\u5165\uff0c\u4f46\u90fd\u5199\u5165\u4e86\u6700\u65b0\u7684mybinlog.000002\u4e2d\uff0c\u6240\u4ee5\u9700\u8981\u77e5\u9053\u7684\u662f\uff0c\u589e\u91cf\u7684\u6570\u636e\u5728mysqlbinlog.000001\u4e0emybinlog.000002\u4e2d\u90fd\u6709\r\n\u6211\u4eec\u767b\u5f55\u6570\u636e\u5e93\uff0c\u6740\u6389\u5b58\u50a8\u8fc7\u7a0b\uff0c\u89c2\u5bdf\u5230\u6700\u65b0\u7684\u6570\u636e\u63d2\u5230\u4e86id=55\u7684\u884c\r\nmysql&gt; show processlist; -- \u67e5\u51faid\r\nmysql&gt; kill id\u53f7;<\/code><\/pre>\n<p>\u5220\u9664\u6570\u636e<\/p>\n<pre><code class=\"language-bash\">drop database db1;<\/code><\/pre>\n<p>\u6062\u590d\u6570\u636e<\/p>\n<pre><code class=\"language-bash\"># \u767b\u5f55\u6570\u636e\u5e93\uff0c\u5148\u6062\u590d\u5168\u91cf\r\nmysql&gt; set sql_log_bin=0;\r\nmysql&gt; system zcat \/tmp\/full.sql.gz | mysql -uroot -pEgon@123\r\nmysql&gt; select * from db1.s1; -- \u67e5\u770b\u6062\u590d\u5230\u4e86id=28\uff0c\u5269\u4e0b\u7684\u53bb\u589e\u91cf\u91cc\u6062\u590d\r\n\r\n# \u5728\u547d\u4ee4\u884c\u5bfc\u51famybinlog.000001\u4e2d\u7684\u589e\u91cf\uff0c\u7136\u540e\u767b\u5f55\u5e93\u8fdb\u884c\u6062\u590d\r\n\u67e5\u627e\u4f4d\u7f6e\uff0c\u53d1\u73b0@1=29\u5373\u7b2c\u4e00\u5217\u7b49\u4e8e29\uff0c\u5373id=29\u7684\u4e0b\u4e00\u4e2aposition\u662f10275\r\nmysql&gt; show binlog events in 'mybinlog.000001';  \r\n[root@egon mysql]# mysqlbinlog mybinlog.000001 --start-position=10038  --stop-position=11340 --base64-output=decode-rows -vvv | grep -v 'SET' | less\r\n\r\n\u5728\u547d\u4ee4\u884c\u4e2d\u6267\u884c\u5bfc\u51fa\r\n[root@egon mysql]# mysqlbinlog mybinlog.000001 --start-position=10275 &gt; \/tmp\/1.sql\r\n\r\n\u5728\u5e93\u5185\u6267\u884c\u5bfc\u5165,\u53d1\u73b0\u6062\u590d\u5230\u4e8639\r\nmysql&gt; source \/tmp\/1.sql  -- \u6700\u597d\u662f\u5728\u5e93\u5185\u6062\u590d\uff0c\u56e0\u4e3asql_log_bin=0\uff0c\u5bfc\u5165\u64cd\u4f5c\u4e0d\u4f1a\u8bb0\u5f55\r\nmysql&gt; select * from db1.s1;\r\n\r\n# \u5728\u547d\u4ee4\u884c\u5bfc\u51famybinlog.000002\u4e2d\u7684\u589e\u91cf\uff0c\u7136\u540e\u767b\u5f55\u5e93\u8fdb\u884c\u6062\u590d\r\n\u4e0a\u9762\u6062\u590d\u5230\u4e86id=39\uff0c\u6211\u4eec\u63a5\u7740\u627eid=40\u7684\u8fdb\u884c\u6062\u590d\uff0c\u67e5\u627e\u4f4d\u7f6e\r\n\u53d1\u73b0@1=40\u7684position\u662f432\r\n\u53d1\u73b0@1=55\u7684position\u662f6464\r\nmysql&gt; show binlog events in 'mybinlog.000002'; \r\n[root@egon mysql]# mysqlbinlog --base64-output=decode-rows -vvv mybinlog.000002|grep -v 'SET'|grep -C20 -w '@1=40'\r\n[root@egon mysql]# mysqlbinlog --base64-output=decode-rows -vvv mybinlog.000002|grep -v 'SET'|grep -C20 -w '@1=55'\r\n\r\n\u5bfc\u51fa\r\n[root@egon mysql]# mysqlbinlog mybinlog.000002 --start-position=432 --stop-position=6464&gt; \/tmp\/2.sql\r\n\r\n\u5728\u5e93\u5185\u6267\u884c\u5bfc\u5165,\u53d1\u73b0\u6062\u590d\u5230\u4e8655\r\nmysql&gt; source \/tmp\/2.sql  \r\nmysql&gt; select * from db1.s1;\r\n\r\n# \u5f00\u542fbinlog\r\nmysql&gt; SET sql_log_bin=ON; <\/code><\/pre>\n<p>\u95ee\u9898\uff1a\u80fd\u5426\u5229\u7528binlog\u505a\u5168\u91cf\u6062\u590d<\/p>\n<pre><code class=\"language-bash\">\u53ef\u4ee5\uff0c\u4f46\u76f4\u63a5\u4f7f\u7528binlog\u505a\u5168\u91cf\u6062\u590d\uff0c\u6210\u672c\u5f88\u9ad8\uff0c\u6211\u4eec\u53ea\u7528\u8d77\u6765\u505a\u589e\u91cf\u6062\u590d\u3002\r\n\r\n\u6b63\u786e\u7684\u65b9\u6848\u662f\uff1a\u5168\u5907+binlog\u589e\u91cf\r\n\u6bcf\u5929\u6216\u8005\u6bcf\u5468\u5168\u5907\u4e00\u6b21\uff0c\u5168\u5907\u4e4b\u540e\uff0c\u90a3\u4e2a\u4f4d\u7f6e\u70b9\u4e4b\u524d\u7684binlog\u5168\u90fd\u53ef\u4ee5\u5220\u9664\uff0c\u4e0d\u53ef\u80fd\u4e00\u5e74\u6709\u4e0a\u767e\u4e2abinlog\u7684\u5e93\u90fd\u5bfc\u51fa\u6765\u7b5b\u9009\uff0c\u56e0\u4e3a\u90a3\u6837\u5b50binlog\u5185\u5bb9\u5f88\u591a\uff0c\u8fa8\u522b\u590d\u6742\u5ea6\u9ad8\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528<\/code><\/pre>\n<h3>3.3 \u4f7f\u7528lvm2\u5feb\u7167\u5907\u4efd\u6570\u636e<\/h3>\n<p><strong>\u90e8\u7f72lvm\u73af\u5883<\/strong><\/p>\n<pre><code class=\"language-bash\"># 1\u3001\u6dfb\u52a0\u786c\u76d8; \u8fd9\u91cc\u6211\u4eec\u76f4\u63a5\u5b9e\u73b0SCSI\u786c\u76d8\u7684\u70ed\u63d2\u62d4, \u9996\u5148\u5728\u865a\u62df\u673a\u4e2d\u6dfb\u52a0\u4e00\u5757\u786c\u76d8, \u65e0\u9700\u91cd\u542f\r\necho '- - -' &gt; \/sys\/class\/scsi_host\/host0\/scan \r\necho '- - -' &gt; \/sys\/class\/scsi_host\/host1\/scan \r\necho '- - -' &gt; \/sys\/class\/scsi_host\/host2\/scan \r\n\r\n# 2\u3001\u521b\u5efa\u903b\u8f91\u5377\r\npvcreate \/dev\/sdb\r\nvgcreate vg1 \/dev\/sdb\r\nlvcreate -n lv1 -L 5G vg1 \r\n\r\n# 3\u3001\u683c\u5f0f\u5316\u5236\u4f5c\u6587\u4ef6\u7cfb\u7edf\u5e76\u6302\u8f7d\r\nmkfs.xfs \/dev\/mapper\/vg1-lv1  \r\nmkdir \/lv1\r\nmount \/dev\/mapper\/vg1-lv1 \/var\/lib\/mysql\r\nchown -R mysql.mysql \/var\/lib\/mysql\r\n\r\n# 4\u3001\u4fee\u6539mysql\u914d\u7f6e\u6587\u4ef6\u7684datadir\u5982\u4e0b\r\n[root@node1 ~]# rm -rf \/var\/lib\/mysql\/*  # \u5220\u9664\u539f\u6570\u636e\r\n[root@node1 ~]# vim \/etc\/my.cnf    \r\n[mysqld]\r\ndatadir=\/var\/lib\/mysql\r\n\r\n# 5\u3001\u91cd\u542fMySQL\u3001\u5b8c\u6210\u521d\u59cb\u5316\r\n[root@node1 ~]# systemctl restart mysqld \r\n\r\n# 6\u3001\u5f80\u6570\u636e\u5e93\u5185\u63d2\u5165\u6d4b\u8bd5\u6570\u636e\r\ncreate database db3;\r\nuse db3;\r\ncreate table t1(id int);\r\ninsert t1 values(1),(2),(3);<\/code><\/pre>\n<p><strong>\u521b\u5efa\u5feb\u7167\u5377\u5e76\u5907\u4efd<\/strong><\/p>\n<pre><code>mysql&gt; FLUSH TABLES WITH READ LOCK;     #\u9501\u5b9a\u6240\u6709\u8868\r\nQuery OK, 0 rows affected (0.00 sec)\r\n\r\n[root@node1 lvm_data]# lvcreate -L 1G -s -n lv1_from_vg1_snap \/dev\/vg1\/lv1   #\u521b\u5efa\u5feb\u7167\u5377\r\n\r\nmysql&gt; UNLOCK TABLES;  #\u89e3\u9501\u6240\u6709\u8868\r\nQuery OK, 0 rows affected (0.00 sec)\r\n\r\n[root@node1 lvm_data]# mkdir \/snap1  #\u521b\u5efa\u6587\u4ef6\u5939\r\n[root@node1 lvm_data]# mount -o nouuid \/dev\/vg1\/lv1_from_vg1_snap \/snap1\r\n\r\n[root@localhost snap1]# cd \/snap1\/\r\n\r\n[root@localhost snap1]# tar cf \/tmp\/mysqlback.tar *  \r\n\r\n[root@localhost snap1]# umount \/snap1\/ -l\r\n[root@localhost snap1]# lvremove vg1\/lv1_from_vg1_snap<\/code><\/pre>\n<p><strong>\u6062\u590d\u6570\u636e<\/strong><\/p>\n<pre><code class=\"language-sql\">rm -rf \/var\/lib\/mysql\/*\r\n\r\n# \u6062\u590d\r\ntar xf \/tmp\/mysqlback.tar -C \/var\/lib\/mysql\/<\/code><\/pre>\n<h3>3.4 \u7269\u7406\u5907\u4efd\u4e4bXtrabackup<\/h3>\n<h4>\uff081\uff09\u4ecb\u7ecd<\/h4>\n<p><code>Xtrabackup<\/code>\u662f\u7531<code>percona<\/code>\u63d0\u4f9b\u7684<code>mysql<\/code>\u6570\u636e\u5e93\u5907\u4efd\u5de5\u5177\uff0c\u636e\u5b98\u65b9\u4ecb\u7ecd\uff0c\u8fd9\u4e5f\u662f\u4e16\u754c\u4e0a\u60df\u4e00\u4e00\u6b3e\u5f00\u6e90\u7684\u80fd\u591f\u5bf9innodb\u548cxtradb\u6570\u636e\u5e93\u8fdb\u884c\u70ed\u5907\u7684\u5de5\u5177\u3002\u7279\u70b9\uff1a<\/p>\n<ol>\n<li>\u5907\u4efd\u8fc7\u7a0b\u5feb\u901f\u3001\u53ef\u9760\uff1b<\/li>\n<li>\u5907\u4efd\u8fc7\u7a0b\u4e0d\u4f1a\u6253\u65ad\u6b63\u5728\u6267\u884c\u7684\u4e8b\u52a1\uff1b<\/li>\n<li>\u80fd\u591f\u57fa\u4e8e\u538b\u7f29\u7b49\u529f\u80fd\u8282\u7ea6\u78c1\u76d8\u7a7a\u95f4\u548c\u6d41\u91cf\uff1b<\/li>\n<li>\u81ea\u52a8\u5b9e\u73b0\u5907\u4efd\u68c0\u9a8c\uff1b<\/li>\n<li>\u8fd8\u539f\u901f\u5ea6\u5feb\uff1b<\/li>\n<\/ol>\n<p>\u4f7f\u7528<code>xtrabackup<\/code>\u4f7f\u7528InnoDB\u80fd\u591f\u53d1\u6325\u5176\u6700\u5927\u529f\u6548, \u5e76\u4e14InnoDB\u7684\u6bcf\u4e00\u5f20\u8868\u5fc5\u987b\u4f7f\u7528\u5355\u72ec\u7684\u8868\u7a7a\u95f4, \u6211\u4eec\u9700\u8981\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0 <code>innodb_file_per_table = ON<\/code> \u6765\u5f00\u542f<\/p>\n<h4>\uff082\uff09\u5b89\u88c5<\/h4>\n<p>\u7248\u672c\u9009\u62e9<\/p>\n<pre><code class=\"language-bash\">mysql 5.7\u4ee5\u4e0b\u7248\u672c\uff0c\u53ef\u4ee5\u91c7\u7528percona xtrabackup 2.4\u7248\u672c\r\n\r\nmysql 8.0\u4ee5\u4e0a\u7248\u672c\uff0c\u53ef\u4ee5\u91c7\u7528percona xtrabackup 8.0\u7248\u672c\uff0cxtrabackup8.0\u4e5f\u53ea\u652f\u6301mysql8.0\u4ee5\u4e0a\u7684\u7248\u672c\r\n\r\n\u6bd4\u5982\uff0c\u63a5\u89e6\u8fc7\u4e00\u4e9b\u91d1\u878d\u884c\u4e1a\uff0cmysql\u7248\u672c\u8fd8\u662f\u591a\u91c7\u7528mysql 5.7\uff0c\u5f53\u7136oracle\u5b98\u65b9\u5bf9\u4e8emysql 8.0\u7684\u5f00\u53d1\u652f\u6301\u529b\u5ea6\u65e5\u76ca\u52a0\u5927\uff0c\u65b0\u529f\u80fd\u65b0\u7279\u6027\u8fed\u4ee3\u4e0d\u6b62\u3002\u751f\u4ea7\u73af\u5883\u91c7\u7528mysql 8.0\u7684\u7248\u672c\u6bd4\u4f8b\u4f1a\u65e5\u76ca\u589e\u52a0\u3002<\/code><\/pre>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/07\/34.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/07\/34.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/07\/35.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/07\/35.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u5b89\u88c5\u65b9\u5f0f\u4e00<\/p>\n<pre><code class=\"language-bash\"># \u5b89\u88c5yum\u4ed3\u5e93\r\nyum install https:\/\/repo.percona.com\/yum\/percona-release-latest.noarch.rpm -y\r\n\r\n# \u5b89\u88c5XtraBackup\u547d\u4ee4\r\nyum install percona-xtrabackup-24 -y<\/code><\/pre>\n<p>\u5b89\u88c5\u65b9\u5f0f\u4e8c<\/p>\n<pre><code class=\"language-bash\">#\u4e0b\u8f7depel\u6e90\r\nwget -O \/etc\/yum.repos.d\/epel.repo  https:\/\/mirrors.aliyun.com\/repo\/epel-7.repo\r\n\r\n#\u5b89\u88c5\u4f9d\u8d56\r\nyum -y install perl perl-devel libaio libaio-devel perl-Time-HiRes perl-DBD-MySQL\r\n\r\n#\u4e0b\u8f7dXtrabackup\r\nwget https:\/\/downloads.percona.com\/downloads\/Percona-XtraBackup-2.4\/Percona-XtraBackup-2.4.23\/binary\/redhat\/7\/x86_64\/percona-xtrabackup-24-2.4.23-1.el7.x86_64.rpm\r\n\r\n# \u5b89\u88c5\r\nyum localinstall -y percona-xtrabackup-24-2.4.4-1.el6.x86_64.rpm<\/code><\/pre>\n<p>\u5b89\u88c5\u5b8c\u540e\u4f1a\u751f\u6210\u547d\u4ee4<\/p>\n<pre><code class=\"language-bash\">xtrabackup      \u4ee5\u524d\u4f7f\u7528\u8be5\u547d\u4ee4\r\ninnobackupex    \u73b0\u5728\u4f7f\u7528\u8be5\u547d\u4ee4\r\n\r\ninnobackupex\u662fxtrabackup\u7684\u524d\u7aef\u914d\u7f6e\u5de5\u5177\uff0c\u4f7f\u7528innobackupex\u5907\u4efd\u65f6, \u4f1a\u8c03\u7528xtrabackup\u5907\u4efd\u6240\u6709\u7684InnoDB\u8868, \u590d\u5236\u6240\u6709\u5173\u4e8e\u8868\u7ed3\u6784\u5b9a\u4e49\u7684\u76f8\u5173\u6587\u4ef6(.frm)\u3001\u4ee5\u53caMyISAM\u3001MERGE\u3001CSV\u548cARCHIVE\u8868\u7684\u76f8\u5173\u6587\u4ef6, \u540c\u65f6\u8fd8\u4f1a\u5907\u4efd\u89e6\u53d1\u5668\u548c\u6570\u636e\u5e93\u914d\u7f6e\u6587\u4ef6\u4fe1\u606f\u76f8\u5173\u7684\u6587\u4ef6, \u8fd9\u4e9b\u6587\u4ef6\u4f1a\u88ab\u4fdd\u5b58\u81f3\u4e00\u4e2a\u4ee5\u65f6\u95f4\u547d\u540d\u7684\u76ee\u5f55.<\/code><\/pre>\n<h4>\uff083\uff09Xtrabackup \u5907\u4efd\u65b9\u5f0f\uff08\u7269\u7406\u5907\u4efd\uff09<\/h4>\n<pre><code class=\"language-bash\">1.\u5bf9\u4e8e\u975einnodb\u8868\uff08\u6bd4\u5982myisam\uff09\u662f\u76f4\u63a5\u9501\u8868cp\u6570\u636e\u6587\u4ef6\uff0c\u5c5e\u4e8e\u4e00\u79cd\u6e29\u5907\u3002\r\n\r\n2.\u5bf9\u4e8einnodb\u7684\u8868\uff08\u652f\u6301\u4e8b\u52a1\uff09\uff0c\u4e0d\u9501\u8868\uff0ccp\u6570\u636e\u9875\u6700\u7ec8\u4ee5\u6570\u636e\u6587\u4ef6\u65b9\u5f0f\u4fdd\u5b58\u4e0b\u6765\uff0c\u5e76\u4e14\u628aredo\u548cundo\u4e00\u5e76\u5907\u8d70\uff0c\u5c5e\u4e8e\u70ed\u5907\u65b9\u5f0f\u3002\r\n\r\n3.\u5907\u4efd\u65f6\u8bfb\u53d6\u914d\u7f6e\u6587\u4ef6\/etc\/my.cnf<\/code><\/pre>\n<h4>\uff084\uff09Xtrabackup\u5168\u91cf\u5907\u4efd<\/h4>\n<pre><code class=\"language-bash\">#1\u3001\u521b\u5efa\u5907\u4efd\u76ee\u5f55\uff0c\u4f1a\u628amysql\u7684datadir\u4e2d\u7684\u5185\u5bb9\u5907\u4efd\u5230\u6539\u76ee\u5f55\u4e2d\r\nmkdir \/backup\r\n\r\n#2\u3001\u5168\u5907\r\n#2.1 \u5728\u672c\u5730\u6267\u884c\u4e0b\u8ff0\u547d\u4ee4\uff0c\u8f93\u5165\u767b\u5f55\u6570\u636e\u7684\u672c\u5730\u8d26\u53f7\u4e0e\u5bc6\u7801\r\n#2.2 \u6307\u5b9a\u5907\u4efd\u76ee\u5f55\u4e3a\/backup\u4e0b\u7684full\u76ee\u5f55\r\ninnobackupex --user=root --password=123 \/backup\/full\r\n\r\n#3\u3001\u67e5\u770b\uff1a\u9ed8\u8ba4\u4f1a\u5728\u5907\u4efd\u76ee\u5f55\u4e0b\u751f\u6210\u4e00\u4e2a\u4ee5\u65f6\u95f4\u6233\u547d\u540d\u7684\u6587\u4ef6\u5939\r\n[root@localhost ~]# cd \/backup\/full\/\r\n[root@localhost full]# ls\r\n2021-07-16_16-09-47\r\n[root@localhost full]# ls 2021-07-16_16-09-47\/ #\u5907\u4efd\u76ee\u5f55\r\n\u3002\u3002\u3002\r\n[root@localhost full]# ls \/var\/lib\/mysql # \u6570\u636e\u76ee\u5f55\r\n\u3002\u3002\u3002\r\n\r\n# 4\u3001\u53bb\u6389\u65f6\u95f4\u6233\uff0c\u8ba9\u5907\u4efd\u6570\u636e\u76f4\u63a5\u653e\u5728\u5907\u4efd\u76ee\u5f55\u4e0b\r\n\u6211\u4eec\u5728\u5199\u5907\u4efd\u811a\u672c\u548c\u6062\u590d\u811a\u672c\uff0c\u6062\u590d\u7684\u65f6\u5019\u5fc5\u987b\u6307\u5b9a\u4e0a\u4e00\u6b21\u5907\u4efd\u7684\u76ee\u5f55\uff0c\u5982\u679c\u5907\u4efd\u76ee\u5f55\u5e26\u7740\u65f6\u95f4\u6233\uff0c\u8be5\u65f6\u95f4\u6233\u6211\u4eec\u5f88\u96be\u5728\u811a\u672c\u4e2d\u786e\u5b9a\uff0c\u65e0\u4e3a\u4e86\u8ba9\u811a\u672c\u7f16\u5199\u66f4\u52a0\u65b9\u4fbf\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u9009\u9879--no-timestamp\u53bb\u6389\u65f6\u95f4\u6233\uff0c\u8ba9\u5907\u4efd\u5185\u5bb9\u76f4\u63a5\u653e\u7f6e\u4e8e\u6211\u4eec\u6307\u5b9a\u7684\u76ee\u5f55\u4e0b\uff08ps\uff1a\u91d1\u878d\u516c\u53f8\u559c\u6b22\u6bcf\u5929\u5168\u5907\uff0c\u6bcf\u5c0f\u65f6\u589e\u5907\uff0c\u5982\u679c\u5907\u4efd\u76ee\u5f55\u5e26\u7740\u65f6\u95f4\u6233\uff0c\u770b\u4f3c\u5408\u7406\uff0c\u4f46\u786e\u5b9e\u4f1a\u5f88\u8ba9\u5934\u75bc\uff09\r\n[root@localhost full]# rm -rf 2021-07-16_17-45-53\/\r\n[root@localhost full]# innobackupex --user=root --password=123 --no-timestamp \/backup\/full\r\n\r\n# \u8865\u5145\uff1a\u5173\u4e8e\u5907\u4efd\u76ee\u5f55\u4e0b\u65b0\u589e\u7684\u6587\u4ef6\u8bf4\u660e\uff0c\u53ef\u7528cat\u547d\u4ee4\u67e5\u770b\r\nxtrabackup_checkpoints \u5b58\u50a8\u7cfb\u7edf\u7248\u672c\u53f7\uff0c\u589e\u5907\u7684\u65f6\u5019\u4f1a\u7528\u5230\r\nxtrabackup_info \u5b58\u50a8UUID\uff0c\u6570\u636e\u5e93\u662f\u7531\u81ea\u5df1\u7684UUID\u7684\uff0c\u5982\u679c\u76f8\u540c\uff0c\u505a\u4e3b\u4ece\u4f1a\u6709\u95ee\u9898\r\nxtrabackup_logfile \u5c31\u662fredo<\/code><\/pre>\n<h4>\uff085\uff09Xtrabackup\u589e\u91cf\u5907\u4efd<\/h4>\n<pre><code class=\"language-bash\">#\u4e00 \u57fa\u4e8e\u4e0a\u4e00\u6b21\u5907\u4efd\u8fdb\u884c\u589e\u91cf,\u53c2\u6570\u8bf4\u660e:\r\n--incremental\uff1a\u5f00\u542f\u589e\u91cf\u5907\u4efd\u529f\u80fd\r\n--incremental-basedir\uff1a\u4e0a\u4e00\u6b21\u5907\u4efd\u7684\u8def\u5f84\r\n\r\n#\u4e8c \u52a0\u4e0a\u4e0a\u4e00\u6b21\u547d\u4ee4\r\ninnobackupex --user=root --password=123 --no-timestamp --incremental --incremental-basedir=\/backup\/full\/ \/backup\/xtra\r\n\r\n#\u4e09 \u5224\u65ad\u6570\u636e\u5907\u4efd\u662f\u5426\u8854\u63a5\r\ncat \/backup\/full\/xtrabackup_checkpoints\r\n    backup_type = full-backuped\r\n    from_lsn = 0\r\n    to_lsn = 1808756\r\n    last_lsn = 1808756\r\n    compact = 0\r\n    recover_binlog_info = 0\r\n    flushed_lsn = 1808756\r\n\r\ncat \/backup\/xtra\/xtrabackup_checkpoints \r\n    backup_type = incremental\r\n    from_lsn = 1808756  # \u503c\u5e94\u8be5\u4e0e\u5168\u88ab\u7684to_lsn\u4e00\u81f4\r\n    to_lsn = 1808756\r\n    last_lsn = 1808756\r\n    compact = 0\r\n    recover_binlog_info = 0\r\n    flushed_lsn = 1808756<\/code><\/pre>\n<p>\u66f4\u591a\u53c2\u6570\u8be6\u89c1\uff1a<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"Y5vypnRGde\"><p><a href=\"https:\/\/egonlin.com\/?p=11551\">xtrabackup \u4f7f\u7528\u8bf4\u660e<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"\u300axtrabackup \u4f7f\u7528\u8bf4\u660e\u300b\u2014Egon\u6797\u6d77\u5cf0\" src=\"https:\/\/egonlin.com\/?p=11551&#038;embed=true#?secret=AvvCs1oLlc#?secret=Y5vypnRGde\" data-secret=\"Y5vypnRGde\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<h4>\uff086\uff09\u4f01\u4e1a\u5b9e\u6218\uff1aXtrabackup + Binlog\u6062\u590d<\/h4>\n<p>mysql\u914d\u7f6e\u6587\u4ef6\uff1a\u6570\u636e\u76ee\u5f55\u4e0ebinlog\u653e\u5728\u4e0d\u540c\u7684\u6587\u4ef6\u5939\u4e0b<\/p>\n<pre><code class=\"language-bash\">[mysqld]\r\ndatadir=\/var\/lib\/mysql\r\ndefault-storage-engine=innodb\r\ninnodb_file_per_table=1\r\nserver_id=1\r\nlog-bin=\/data\/binlog\/mybinlog  \r\nbinlog_format='row' #(row,statement,mixed)    \r\nbinlog_rows_query_log_events=on\r\nmax_binlog_size=100M<\/code><\/pre>\n<p>\u4e3abinlog\u65e5\u5fd7\u521b\u5efa\u76ee\u5f55<\/p>\n<pre><code class=\"language-bash\">mkdir -p \/data\/binlog\/\r\nchown -R mysql.mysql \/data\/<\/code><\/pre>\n<p>\u542f\u52a8mysql<\/p>\n<pre><code class=\"language-bash\">systemctl restart mysql<\/code><\/pre>\n<p>\u6a21\u62df\u6570\u636e<\/p>\n<pre><code class=\"language-bahs\">create database full charset utf8mb4;\r\nuse full;\r\ncreate table t1 (id int);\r\ninsert into t1 values(1),(2),(3);\r\ncommit;<\/code><\/pre>\n<p>\u8fdb\u884c\u5468\u65e5\u7684\u5168\u5907<\/p>\n<pre><code class=\"language-bash\"># 1\u3001\u4e8b\u5148\u521b\u5efa\u597d\u5907\u4efd\u76ee\u5f55\r\n[root@db01 backup]# rm -rf \/backup \r\n[root@db01 backup]# mkdir \/backup   \r\n\r\n# 2\u3001\u5168\u5907\r\n[root@db01 backup]# innobackupex --user=root --password=123 --no-timestamp  --parallel=5  \/backup\/full<\/code><\/pre>\n<p>\u6a21\u62df\u5468\u4e00\u7684\u6570\u636e\u53d8\u5316<\/p>\n<pre><code class=\"language-bash\">create database inc1 charset utf8mb4;\r\nuse inc1;\r\ncreate table t1 (id int);\r\ninsert into t1 values(1),(2),(3);\r\ncommit;<\/code><\/pre>\n<p>\u8fdb\u884c\u5468\u4e00\u7684\u589e\u91cf\u5907\u4efd<\/p>\n<pre><code class=\"language-bash\">innobackupex  --user=root --password=123 --no-timestamp --incremental --incremental-basedir=\/backup\/full \/backup\/inc1 <\/code><\/pre>\n<p>\u68c0\u67e5\u672c\u6b21\u5907\u4efd\u7684LSN<\/p>\n<pre><code class=\"language-bash\">[root@localhost backup]# cat \/backup\/full\/xtrabackup_checkpoints \r\nbackup_type = full-backuped\r\nfrom_lsn = 0\r\nto_lsn = 1817002\r\nlast_lsn = 1817002\r\ncompact = 0\r\nrecover_binlog_info = 0\r\nflushed_lsn = 1817002\r\n[root@localhost backup]# cat \/backup\/inc1\/xtrabackup_checkpoints \r\nbackup_type = incremental\r\nfrom_lsn = 1817002\r\nto_lsn = 1825905\r\nlast_lsn = 1825905\r\ncompact = 0\r\nrecover_binlog_info = 0\r\nflushed_lsn = 1825905\r\n[root@localhost backup]# <\/code><\/pre>\n<p>\u6a21\u62df\u5468\u4e8c\u6570\u636e\u53d8\u5316<\/p>\n<pre><code class=\"language-bash\">create database inc2 charset utf8mb4;\r\nuse inc2;\r\ncreate table t1 (id int);\r\ninsert into t1 values(1),(2),(3);\r\ncommit;<\/code><\/pre>\n<p>\u5468\u4e8c\u7684\u589e\u91cf<\/p>\n<pre><code class=\"language-bash\">innobackupex   --user=root --password=123 --no-timestamp --incremental --incremental-basedir=\/backup\/inc1 \/backup\/inc2 <\/code><\/pre>\n<p>\u5468\u4e09\u7684\u6570\u636e\u53d8\u5316<\/p>\n<pre><code class=\"language-bash\">create database inc3 charset utf8mb4;\r\nuse inc3;\r\ncreate table t1 (id int);\r\ninsert into t1 values(1),(2),(3);\r\ncommit;<\/code><\/pre>\n<p>\u6a21\u62df\u4e0a\u534810\u70b9\u6570\u636e\u5e93\u5d29\u6e83<\/p>\n<pre><code class=\"language-bash\">systemctl stop mysql # pkill -9 mysqld\r\n\\rm -rf \/var\/lib\/mysql\/*<\/code><\/pre>\n<p>\u6062\u590d\u601d\u8def<\/p>\n<pre><code class=\"language-bash\">1. \u505c\u4e1a\u52a1,\u6302\u7ef4\u62a4\u9875\r\n2. \u67e5\u627e\u53ef\u7528\u5907\u4efd\u5e76\u5904\u7406\u5907\u4efd:full+inc1+inc2 \r\n3. \u627e\u5230binlog\u4e2d: inc2 \u5230 \u6545\u969c\u65f6\u95f4\u70b9\u7684binlog\r\n4. \u6062\u590d\u5168\u5907+\u589e\u91cf+binlog\r\n5. \u9a8c\u8bc1\u6570\u636e\r\n6. \u8d77\u4e1a\u52a1,\u64a4\u7ef4\u62a4\u9875<\/code><\/pre>\n<p>\u6062\u590d\u524d\u7684\u51c6\u5907<\/p><div id=\"rml_readmorelogin_placeholder\" style=\"position:relative;\"><div id=\"rml_fade_content\" style=\"position: absolute;\r\ntop:-10em;\r\nwidth:100%;\r\nheight:10em;\r\nbackground: -webkit-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: -moz-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: -o-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: -ms-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\"><\/div><div class=\"wpf-controller aru_rml_from_in_post\" style=\"background-color:#eeeeee;border:5px solid #cce6ff;\" id=\"ARU_ReadMoreLogin_ReadMoreLoginController\"><h2 id=\"Header\">\u67e5\u770b\u66f4\u591a<\/h2><div id=\"Message\"><p>\u8054\u7cfb\u7ba1\u7406\u5458\u5fae\u4fe1tutu19192010\uff0c\u6ce8\u518c\u8d26\u53f7<\/p>\n<\/div><div id=\"StatusBarHeader\"><\/div><form id=\"ARU_ReadMoreLogin_ReadMoreLoginController\"><input name=\"post_id\" value=\"531\" type=\"hidden\"\/><input name=\"_init_callback\" value=\"InitLogin\" type=\"hidden\"\/><input name=\"post_id\" value=\"531\" type=\"hidden\"\/><input name=\"rt_ype\" value=\"1\" type=\"hidden\"\/><input name=\"nonce\" value=\"e2a912c0b5\" type=\"hidden\"\/><input name=\"_wpnonce\" value=\"ee095c8387\" type=\"hidden\"\/><input name=\"_controller\" value=\"ARU_ReadMoreLogin\\ReadMoreLoginController\" type=\"hidden\"\/><input name=\"_proxy_controller\" value=\"ARU_ReadMoreLogin\\ReadMoreLoginController\" type=\"hidden\"\/><input name=\"_view\" value=\"ARU_ReadMoreLogin\\ReadMoreLoginView\" type=\"hidden\"\/><table class=\"wpf-table-placeholder\"><tbody class=\"wpf-table-placeholder\"><tr class=\"wpf-table-placeholder\"><td class=\"wpf-table-placeholder-input\" width=\"400px\"><table class=\"wpf-table-placeholder\"><tbody class=\"wpf-table-placeholder\"><tr class=\"wpf-table-placeholder\"><th class=\"wpf-table-placeholder-input\"><label 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href=\"https:\/\/egonlin.com\/wp-login.php?action=register\">Register<\/a><\/div><div id=\"Link1\"><a href=\"https:\/\/egonlin.com\/wp-login.php?action=lostpassword\">Forgotten username or password?<\/a><\/div><div id=\"StatusBarFooter\"><\/div><\/div><\/div><div id=aru_remaining_content><\/div>","protected":false},"excerpt":{"rendered":"<p>MySQL\u5907\u4efd\u4e0e\u6062\u590d \u4e00 \u6570\u636e\u5907\u4efd\u4ecb\u7ecd 1.1 \u4e3a\u4f55\u8981\u5907\u4efd \u5728\u751f\u4ea7\u73af\u5883\u4e2d\u6211\u4eec\u6570\u636e\u5e93\u53ef\u80fd\u4f1a\u906d\u9047\u5404\u79cd\u5404\u6837\u7684\u4e0d\u6d4b\u4ece\u800c 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