{"id":574,"date":"2026-02-10T11:36:26","date_gmt":"2026-02-10T03:36:26","guid":{"rendered":"http:\/\/47.100.165.17\/wordpress\/?p=574"},"modified":"2026-03-02T22:59:54","modified_gmt":"2026-03-02T14:59:54","slug":"%e3%80%90mysql%e3%80%91xtrabackup%e5%a4%87%e4%bb%bd%e4%b8%8e%e6%81%a2%e5%a4%8d%e7%9a%84%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/yunyanglib.cn\/?p=574","title":{"rendered":"\u3010MySQL\u3011XtraBackup\u5907\u4efd\u4e0e\u6062\u590d\u7684\u539f\u7406"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5728 7\u00d724 \u5c0f\u65f6\u4e0d\u95f4\u65ad\u7684\u4e1a\u52a1\u573a\u666f\u4e2d\uff0c\u6570\u636e\u5e93\u5907\u4efd\u662f\u4fdd\u969c\u6570\u636e\u5b89\u5168\u7684\u6700\u540e\u4e00\u9053\u9632\u7ebf\u3002\u76f8\u8f83\u4e8e mysqldump \u7b49\u903b\u8f91\u5907\u4efd\u5de5\u5177\uff0cPercona XtraBackup \u51ed\u501f<strong>\u975e\u963b\u585e\u5907\u4efd\u3001\u6781\u901f\u6062\u590d\u3001\u7248\u672c\u9002\u914d<\/strong>\u4e09\u5927\u6838\u5fc3\u4f18\u52bf\uff0c\u6210\u4e3a TB \u7ea7 MySQL \u6570\u636e\u5e93\u7684\u9996\u9009\u5907\u4efd\u65b9\u6848\u3002\u672c\u6587\u5c06\u4ece\u6838\u5fc3\u7279\u6027\u3001\u5b89\u88c5\u914d\u7f6e\u3001\u5907\u4efd \/ \u6062\u590d\u539f\u7406\u3001\u5b9e\u64cd\u547d\u4ee4\u56db\u4e2a\u7ef4\u5ea6\uff0c\u5e26\u4f60\u5168\u9762\u638c\u63e1 XtraBackup \u7684\u4f7f\u7528\u7cbe\u9ad3\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u6838\u5fc3\u7279\u6027\uff1a\u4e09\u5927\u4f18\u52bf\u78be\u538b\u4f20\u7edf\u5907\u4efd\u5de5\u5177<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u975e\u963b\u585e\u5907\u4efd\uff0c\u4e1a\u52a1\u96f6\u611f\u77e5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">XtraBackup \u5907\u4efd InnoDB \u8868\u65f6<strong>\u65e0\u9700\u52a0\u9501<\/strong>\uff0c\u5907\u4efd\u671f\u95f4\u5e94\u7528\u53ef\u6b63\u5e38\u8bfb\u5199\u6570\u636e\uff0c\u5f7b\u5e95\u89e3\u51b3\u4e86\u4f20\u7edf\u5de5\u5177 &#8220;\u5907\u4efd\u5fc5\u5361\u987f&#8221; \u7684\u75db\u70b9\u3002\u4ec5\u5728\u5904\u7406 MyISAM \u7b49\u975e\u4e8b\u52a1\u8868\u65f6\u4f1a\u77ed\u6682\u52a0\u9501\uff08\u6beb\u79d2\u7ea7\uff09\uff0c\u4e14 MySQL 8.0 + \u7248\u672c\u5df2\u4f18\u5316\u4e3a<code>LOCK INSTANCE FOR BACKUP<\/code>\u8f7b\u91cf\u7ea7\u9501\uff0c\u4ec5\u963b\u585e DDL \u64cd\u4f5c\u4e0d\u5f71\u54cd DML\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u7269\u7406\u5907\u4efd\uff0c\u901f\u5ea6\u63d0\u5347 10 \u500d +<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u76f4\u63a5\u590d\u5236\u6570\u636e\u6587\u4ef6\uff08<code>.ibd<\/code>\u3001<code>ibdata1<\/code>\uff09\uff0c\u8df3\u8fc7 &#8220;SQL \u5bfc\u51fa &#8211; \u5bfc\u5165&#8221; \u7684\u903b\u8f91\u8f6c\u6362\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5907\u4efd\u901f\u5ea6\uff1a\u662f mysqldump \u7684 5-10 \u500d\uff08TB \u7ea7\u6570\u636e\u573a\u666f\uff09<\/li>\n\n\n\n<li>\u6062\u590d\u901f\u5ea6\uff1a\u8f83\u903b\u8f91\u5907\u4efd\u63d0\u5347 10 \u500d\u4ee5\u4e0a\uff0c\u6781\u5927\u7f29\u77ed RTO\uff08\u6545\u969c\u6062\u590d\u65f6\u95f4\uff09<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u7248\u672c\u517c\u5bb9\u6027\uff1a\u7cbe\u51c6\u5339\u914d\u662f\u5173\u952e<\/h3>\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\">MySQL \u7248\u672c<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u63a8\u8350 XtraBackup \u7248\u672c<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u6838\u5fc3\u5dee\u5f02<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">8.0+<\/td><td class=\"has-text-align-left\" data-align=\"left\">8.0.x \u7cfb\u5217<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u9002\u914d\u6570\u636e\u5b57\u5178 \/redo log \u91cd\u6784<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">5.7 \u53ca\u4ee5\u4e0b<\/td><td class=\"has-text-align-left\" data-align=\"left\">2.4.x \u7cfb\u5217<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u517c\u5bb9\u65e7\u7248\u65e5\u5fd7\u7ed3\u6784<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f \u6ce8\u610f\uff1a8.0 \u4e0e\u65e7\u7248\u672c\u5b8c\u5168\u4e0d\u4e92\u901a\uff0c\u7248\u672c\u9009\u9519\u4f1a\u76f4\u63a5\u5bfc\u81f4\u5907\u4efd\u5931\u8d25\uff01<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"m0qjr\">\u4e8c\u3001XtraBackup \u5b89\u88c5\uff1aCentOS 7+MySQL 8.0 \u73af\u5883\u5b9e\u64cd<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"u2067687b\">\u4ee5 CentOS 7 \u7cfb\u7edf\u3001MySQL 8.0 \u73af\u5883\u4e3a\u4f8b\uff0cXtraBackup \u7684\u5b89\u88c5\u6d41\u7a0b\u53ef\u6982\u62ec\u4e3a \u201c\u7248\u672c\u9009\u62e9\u2192\u4e0b\u8f7d\u2192yum \u5b89\u88c5\u201d \u4e09\u6b65\uff0c\u5168\u7a0b\u65e0\u9700\u590d\u6742\u4f9d\u8d56\u5904\u7406\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"el8QC\">1. \u7248\u672c\u9009\u62e9\u539f\u5219<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"uda1fe69c\">\u8bbf\u95ee Percona \u5b98\u65b9\u4e0b\u8f7d\u9875(<a href=\"https:\/\/www.percona.com\/mysql\/software\/percona-xtrabackup\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>https:\/\/www.percona.com\/mysql\/software\/percona-xtrabackup<\/strong><\/a>\uff09\uff0c\u6839\u636e\u64cd\u4f5c\u7cfb\u7edf\u7248\u672c\uff08\u5982 CentOS 7\/8\u3001Ubuntu\uff09\u548c MySQL \u7248\u672c\u9009\u62e9\u5bf9\u5e94\u5b89\u88c5\u5305\u3002\u672c\u6587\u4ee5<strong>XtraBackup 8.0.25<\/strong>\uff08\u9002\u914d MySQL 8.0\uff09\u4e3a\u4f8b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"hNc3y\">2. \u4e0b\u8f7d\u5b89\u88c5\u5305<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"u42a8fe48\">\u901a\u8fc7<code>wget<\/code>\u547d\u4ee4\u5c06 RPM \u5305\u4e0b\u8f7d\u81f3\u670d\u52a1\u5668<code>\/usr\/src<\/code>\u76ee\u5f55\uff08\u8be5\u76ee\u5f55\u5e38\u7528\u4e8e\u5b58\u653e\u6e90\u7801\u53ca\u5b89\u88c5\u5305\uff09\uff1a<\/p>\n\n\n\n<pre id=\"szVoQ\" class=\"wp-block-code\"><code>cd \/usr\/src\n\nwget https:\/\/downloads.percona.com\/downloads\/Percona-XtraBackup-8.0\/Percona-XtraBackup-8.0.25-17\/binary\/redhat\/7\/x86_64\/percona-xtrabackup-80-8.0.25-17.1.el7.x86_64.rpm<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"aJb9M\">3. yum \u5b89\u88c5\uff08\u81ea\u52a8\u89e3\u51b3\u4f9d\u8d56\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ufbc3416f\">\u4f7f\u7528<code>yum install<\/code>\u547d\u4ee4\u5b89\u88c5\uff0cyum \u4f1a\u81ea\u52a8\u5904\u7406 perl\u3001libaio \u7b49\u4f9d\u8d56\u5305\uff0c\u65e0\u9700\u624b\u52a8\u4e0b\u8f7d\uff1a<\/p>\n\n\n\n<pre id=\"IvsED\" class=\"wp-block-code\"><code>yum install percona-xtrabackup-80-8.0.25-17.1.el7.x86_64.rpm -y<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"u7277253a\">\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u6267\u884c<code>xtrabackup --version<\/code>\u547d\u4ee4\u9a8c\u8bc1\uff0c\u82e5\u8f93\u51fa\u7c7b\u4f3c\u5982\u4e0b\u4fe1\u606f\uff0c\u5219\u8868\u793a\u5b89\u88c5\u6210\u529f\uff1a<\/p>\n\n\n\n<pre id=\"mg4k5\" class=\"wp-block-code\"><code>xtrabackup: 8.0.25-17 based on MySQL server 8.0.25 Linux (x86_64) (revision id: 384b79a)<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"gBEHB\">\u4e09\u3001\u6df1\u5ea6\u89e3\u6790\uff1aXtraBackup \u5907\u4efd\u4e0e\u6062\u590d\u539f\u7406<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"u4566bb0e\">\u7406\u89e3 XtraBackup \u7684\u5de5\u4f5c\u539f\u7406\uff0c\u662f\u6b63\u786e\u4f7f\u7528\u5b83\u7684\u524d\u63d0\u3002\u5176\u6838\u5fc3\u903b\u8f91\u56f4\u7ed5 \u201cInnoDB \u4e8b\u52a1\u65e5\u5fd7\uff08redo log\uff09\u201d \u5c55\u5f00\uff0c\u901a\u8fc7 \u201c\u52a8\u6001\u8ffd\u8e2a\u65e5\u5fd7 + \u6a21\u62df\u5d29\u6e83\u6062\u590d\u201d \u786e\u4fdd\u5907\u4efd\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"BVze1\">1. \u5907\u4efd\u539f\u7406\uff1a\u516d\u6b65\u5b9e\u73b0\u975e\u963b\u585e\u5907\u4efd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"u4a0882d9\">XtraBackup \u7684\u5907\u4efd\u8fc7\u7a0b\u5168\u7a0b\u4ec5\u5728\u5904\u7406\u975e\u4e8b\u52a1\u8868\uff08\u5982 MyISAM\uff09\u65f6\u77ed\u6682\u52a0\u9501\uff0c\u5bf9\u4e1a\u52a1\u5f71\u54cd\u6781\u5c0f\uff0c\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u521d\u59cb\u8bb0\u5f55 LSN<\/strong>\uff1a\u5907\u4efd\u5f00\u59cb\u65f6\uff0c\u9996\u5148\u8bb0\u5f55 InnoDB redo log \u7684\u5f53\u524d\u65e5\u5fd7\u5e8f\u5217\u53f7\uff08LSN\uff09\u3002LSN \u662f InnoDB \u7528\u4e8e\u6807\u8bb0\u65e5\u5fd7\u4f4d\u7f6e\u7684\u6838\u5fc3\u6807\u8bc6\uff0c\u540e\u7eed\u6240\u6709\u64cd\u4f5c\u90fd\u56f4\u7ed5 LSN \u5c55\u5f00\uff0c\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027\u3002<\/li>\n\n\n\n<li><strong>\u5f02\u6b65\u590d\u5236\u6570\u636e\u6587\u4ef6<\/strong>\uff1a\u540e\u53f0\u8fdb\u7a0b\u5f00\u59cb\u590d\u5236 InnoDB \u6570\u636e\u6587\u4ef6\uff08<code>.ibd<\/code>\u3001<code>ibdata1<\/code>\uff09\uff0c\u6b64\u8fc7\u7a0b\u4e0d\u963b\u585e\u8bfb\u5199\u3002\u540c\u65f6\uff0c\u53e6\u4e00\u4e2a\u540e\u53f0\u8fdb\u7a0b\u5b9e\u65f6\u76d1\u63a7 redo log \u7684\u53d8\u5316\uff0c\u5c06\u65b0\u751f\u6210\u7684 redo log \u6301\u7eed\u590d\u5236\u5230\u5907\u4efd\u76ee\u5f55\uff0c\u907f\u514d\u5907\u4efd\u671f\u95f4\u7684\u6570\u636e\u53d8\u66f4\u4e22\u5931\u3002<\/li>\n\n\n\n<li><strong>\u52a0\u5907\u4efd\u9501\uff08MySQL 8.0+\uff09<\/strong>\uff1a\u6267\u884c<code>LOCK INSTANCE FOR BACKUP<\/code>\u8bed\u53e5\uff0c\u8be5\u9501\u4ec5\u963b\u6b62 \u201c\u5f71\u54cd\u6570\u636e\u6587\u4ef6\u7ed3\u6784\u7684\u64cd\u4f5c\u201d\uff08\u5982 ALTER TABLE\u3001DROP TABLE\uff09\uff0c\u4e0d\u5f71\u54cd\u666e\u901a\u8bfb\u5199\uff0c\u4e14\u9501\u6301\u6709\u65f6\u95f4\u6781\u77ed\uff08\u901a\u5e38\u6beb\u79d2\u7ea7\uff09\u3002<\/li>\n\n\n\n<li><strong>\u590d\u5236\u975e\u4e8b\u52a1\u8868<\/strong>\uff1a\u5b8c\u6210 InnoDB \u6570\u636e\u4e0e\u65e5\u5fd7\u5907\u4efd\u540e\uff0c\u9501\u5b9a\u975e\u4e8b\u52a1\u8868\uff08\u5982 MyISAM\u3001MEMORY\uff09\uff0c\u590d\u5236\u5176\u6570\u636e\u6587\u4ef6\uff08\u5982<code>.MYD<\/code>\u3001<code>.MYI<\/code>\uff09\uff0c\u590d\u5236\u5b8c\u6210\u540e\u7acb\u5373\u89e3\u9501\uff0c\u6700\u5927\u9650\u5ea6\u51cf\u5c11\u5bf9\u4e1a\u52a1\u7684\u5f71\u54cd\u3002<\/li>\n\n\n\n<li><strong>\u8bb0\u5f55\u5173\u952e\u4f4d\u70b9<\/strong>\uff1a\u67e5\u770b\u5e76\u8bb0\u5f55 MySQL \u7684 GTID\uff08\u5168\u5c40\u4e8b\u52a1 ID\uff09\u4fe1\u606f\u548c Binlog\uff08\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff09\u4f4d\u70b9\uff0c\u4e3a\u540e\u7eed \u201c\u57fa\u4e8e\u5907\u4efd\u7684\u65f6\u95f4\u70b9\u6062\u590d\uff08PITR\uff09\u201d \u63d0\u4f9b\u57fa\u7840\uff0c\u786e\u4fdd\u6062\u590d\u5230\u7cbe\u786e\u7684\u4e8b\u52a1\u72b6\u6001\u3002<\/li>\n\n\n\n<li><strong>\u91ca\u653e\u8d44\u6e90\u6536\u5c3e<\/strong>\uff1a\u505c\u6b62\u590d\u5236 redo log\uff0c\u6267\u884c<code>UNLOCK INSTANCE<\/code>\u91ca\u653e\u5907\u4efd\u9501\uff0c\u5907\u4efd\u76ee\u5f55\u4e2d\u751f\u6210\u5b8c\u6574\u7684\u5907\u4efd\u6587\u4ef6\uff08\u542b\u6570\u636e\u6587\u4ef6\u3001redo log\u3001\u5907\u4efd\u5143\u4fe1\u606f\u6587\u4ef6<code>xtrabackup_info<\/code>\uff09\u3002<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"j6pII\">2. \u6062\u590d\u539f\u7406\uff1a\u201c\u51c6\u5907 &#8211; \u6062\u590d\u201d \u4e24\u9636\u6bb5\u786e\u4fdd\u4e00\u81f4\u6027<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"u12a1758b\">XtraBackup \u7684\u6062\u590d\u8fc7\u7a0b\u5fc5\u987b\u7ecf\u8fc7 \u201c\u51c6\u5907\uff08prepare\uff09\u201d \u548c \u201c\u6062\u590d\uff08copy\/move\uff09\u201d \u4e24\u4e2a\u9636\u6bb5\uff0c\u6838\u5fc3\u662f\u901a\u8fc7 \u201c\u6a21\u62df InnoDB \u5d29\u6e83\u6062\u590d\u201d \u4fee\u590d\u5907\u4efd\u6570\u636e\u7684\u4e00\u81f4\u6027\uff0c\u5177\u4f53\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6838\u5fc3\u539f\u7406<\/strong>\uff1a\u5907\u4efd\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u53ef\u80fd\u5b58\u5728 \u201c\u672a\u63d0\u4ea4\u4e8b\u52a1\u201d \u6216 \u201c\u5df2\u63d0\u4ea4\u4f46\u672a\u5237\u76d8\u7684\u4e8b\u52a1\u201d\uff0c\u9700\u901a\u8fc7 \u201c\u51c6\u5907\u9636\u6bb5\u201d \u6a21\u62df MySQL \u5d29\u6e83\u540e\u7684\u6062\u590d\u6d41\u7a0b\uff0c\u5c06\u6570\u636e\u4fee\u590d\u81f3\u4e00\u81f4\u6027\u72b6\u6001\u3002<\/li>\n\n\n\n<li><strong>\u51c6\u5907\u9636\u6bb5\uff08prepare\uff09<\/strong>\uff1a\u6267\u884c<code>xtrabackup --prepare<\/code>\u547d\u4ee4\uff0c\u4e3b\u8981\u5b8c\u6210\u4e24\u9879\u5de5\u4f5c\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u91cd\u6f14\u5907\u4efd\u76ee\u5f55\u4e2d\u7684 redo log\uff0c\u5c06 \u201c\u5df2\u63d0\u4ea4\u4f46\u672a\u5237\u76d8\u7684\u4e8b\u52a1\u201d \u5e94\u7528\u5230\u6570\u636e\u6587\u4ef6\uff1b<\/li>\n\n\n\n<li>\u56de\u6eda \u201c\u672a\u63d0\u4ea4\u7684\u4e8b\u52a1\u201d\uff0c\u786e\u4fdd\u6570\u636e\u6587\u4ef6\u5904\u4e8e\u4e00\u81f4\u6027\u72b6\u6001\uff1b<\/li>\n\n\n\n<li>\u91cd\u5efa\u65b0\u7684 redo log \u6587\u4ef6\uff0c\u907f\u514d\u4e0e\u76ee\u6807\u5e93\u7684\u65e5\u5fd7\u51b2\u7a81\u3002<\/li>\n<\/ul>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u6062\u590d\u9636\u6bb5<\/strong>\uff1a\u51c6\u5907\u5b8c\u6210\u540e\uff0c\u6267\u884c\u6062\u590d\u547d\u4ee4\u5c06\u5907\u4efd\u6570\u636e\u8fc1\u79fb\u81f3 MySQL \u6570\u636e\u76ee\u5f55\uff0c\u652f\u6301\u4e24\u79cd\u8fc1\u79fb\u65b9\u5f0f\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u590d\u5236\u6062\u590d\uff08&#8211;copy-back\uff09<\/strong>\uff1a\u5c06\u5907\u4efd\u6587\u4ef6 \u201c\u590d\u5236\u201d \u5230\u76ee\u6807\u76ee\u5f55\uff0c\u4fdd\u7559\u539f\u5907\u4efd\u6587\u4ef6\uff08\u9002\u7528\u4e8e\u9700\u7559\u5b58\u5907\u4efd\u7684\u573a\u666f\uff09\uff0c\u901f\u5ea6\u8f83\u6162\uff1b<\/li>\n\n\n\n<li><strong>\u79fb\u52a8\u6062\u590d\uff08&#8211;move-back\uff09<\/strong>\uff1a\u5c06\u5907\u4efd\u6587\u4ef6 \u201c\u79fb\u52a8\u201d \u5230\u76ee\u6807\u76ee\u5f55\uff0c\u4e0d\u4fdd\u7559\u539f\u5907\u4efd\uff0c\u901f\u5ea6\u66f4\u5feb\uff08\u9002\u7528\u4e8e\u7d27\u6025\u6062\u590d\u573a\u666f\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>\u540e\u7eed\u64cd\u4f5c<\/strong>\uff1a\u6570\u636e\u8fc1\u79fb\u5b8c\u6210\u540e\uff0c\u4fee\u6539\u76ee\u6807\u76ee\u5f55\u7684\u6587\u4ef6\u5c5e\u4e3b\uff08<code>chown -R mysql:mysql \/data\/mysql<\/code>\uff09\uff0c\u542f\u52a8 MySQL \u670d\u52a1\uff0c\u5373\u53ef\u5b8c\u6210\u6062\u590d\uff0c\u65e0\u9700\u989d\u5916\u914d\u7f6e\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001\u5b9e\u6218\u6f14\u7ec3\uff1a\u5168\u91cf\u5907\u4efd\u4e0e\u6062\u590d + \u538b\u7f29\u5907\u4efd\u5b9e\u64cd<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u73af\u5883\u8bf4\u660e<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6e90\u5e93\uff08\u5907\u4efd\u7aef\uff09\uff1aIP 192.168.184.151\uff0cMySQL 8.0\uff0c\u6570\u636e\u76ee\u5f55 \/data\/mysql\/data\uff0c\u914d\u7f6e\u6587\u4ef6 \/data\/mysql\/conf\/my.cnf<\/li>\n\n\n\n<li>\u76ee\u6807\u5e93\uff08\u6062\u590d\u7aef\uff09\uff1aIP 192.168.184.152\uff0cMySQL 8.0\uff0c\u5df2\u5b89\u88c5 XtraBackup 8.0.25<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u524d\u7f6e\u51c6\u5907<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\uff081\uff09\u521b\u5efa\u5907\u4efd\u4e13\u7528\u7528\u6237\uff08\u6e90\u5e93\uff09<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>-- \u521b\u5efa\u7528\u6237\uff08MySQL 8.0\u9700\u6307\u5b9a\u8ba4\u8bc1\u63d2\u4ef6mysql_native_password\uff09\ncreate user 'u_xtrabackup'@'localhost' identified WITH mysql_native_password BY 'da7gdcG_a';\n\n-- \u6388\u4e88\u6700\u5c0f\u5907\u4efd\u6743\u9650\ngrant select, reload, lock tables, backup_admin, replication client, create tablespace, process, super on *.* to 'u_xtrabackup'@'localhost';\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\uff082\uff09\u521b\u5efa\u5907\u4efd\u76ee\u5f55<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code># \u6e90\u5e93\nmkdir -p \/data\/backup\/xtrabackup_bak\n\n# \u76ee\u6807\u5e93\nmkdir -p \/data\/backup\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u5168\u91cf\u5907\u4efd\u4e0e\u6062\u590d<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\uff081\uff09\u6e90\u5e93\u6267\u884c\u5168\u91cf\u5907\u4efd<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>xtrabackup --defaults-file=\/data\/mysql\/conf\/my.cnf -u u_xtrabackup -p'da7gdcG_a' --backup --target-dir=\/data\/backup\/xtrabackup_bak\/alldata\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>&#8211;defaults-file\uff1a\u5fc5\u987b\u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u6307\u5b9a MySQL \u914d\u7f6e\u6587\u4ef6<\/li>\n\n\n\n<li>&#8211;target-dir\uff1a\u5907\u4efd\u6587\u4ef6\u5b58\u653e\u76ee\u5f55\uff08\u9700\u4e3a\u7a7a\uff09<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\uff082\uff09\u4f20\u8f93\u5907\u4efd\u6587\u4ef6\u5230\u76ee\u6807\u5e93<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>scp -r \/data\/backup\/xtrabackup_bak\/alldata 192.168.184.152:\/data\/backup\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\uff083\uff09\u76ee\u6807\u5e93\u6062\u590d\u64cd\u4f5c<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u51c6\u5907\u9636\u6bb5<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>cd \/data\/backup\/alldata\nxtrabackup --prepare --target-dir=.\/\n# \u8f93\u51fa\"completed OK!\"\u8868\u793a\u51c6\u5907\u5b8c\u6210\n<\/code><\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u505c\u6b62 MySQL \u5e76\u6e05\u7a7a\u65e7\u6570\u636e<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code># \u505c\u6b62\u670d\u52a1\n\/etc\/init.d\/mysql.server stop\n\n# \u5907\u4efd\u65e7\u6570\u636e\uff08\u53ef\u9009\uff09\ncd \/data\/mysql\nmkdir \/data\/mysql_bak\nmv data\/ binlog\/ log\/ \/data\/mysql_bak\/\n<\/code><\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u590d\u5236\u6062\u590d\u6570\u636e<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>xtrabackup --defaults-file=\/data\/mysql\/conf\/my.cnf --copy-back --target-dir=\/data\/backup\/alldata<\/code><\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>\u4fee\u590d\u6743\u9650\u5e76\u542f\u52a8\u670d\u52a1<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code># \u521b\u5efa\u65e5\u5fd7\u76ee\u5f55\u548c\u6587\u4ef6\ncd \/data\/mysql\nmkdir log\ntouch \/data\/mysql\/log\/mysql.err\n\n# \u4fee\u6539\u5c5e\u4e3b\nchown -R mysql:mysql \/data\/mysql\/\n\n# \u542f\u52a8\u670d\u52a1\n\/etc\/init.d\/mysql.server start<\/code><\/pre>\n\n\n\n<ol start=\"5\" class=\"wp-block-list\">\n<li><strong>\u9a8c\u8bc1\u6062\u590d\u7ed3\u679c<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>mysql -uroot -p'da7gdcG_a'\nuse bak1;\nshow tables;\nselect * from t1; -- \u6b63\u5e38\u67e5\u8be2\u5373\u6062\u590d\u6210\u529f<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u538b\u7f29\u5907\u4efd\u4e0e\u6062\u590d\uff08\u8282\u7701\u5b58\u50a8\u7a7a\u95f4\uff09<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\uff081\uff09\u6e90\u5e93\u538b\u7f29\u5907\u4efd<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>xtrabackup --defaults-file=\/data\/mysql\/conf\/my.cnf -u u_xtrabackup -p'da7gdcG_a' --backup --compress --target-dir=\/data\/backup\/xtrabackup_bak\/alldata_compress\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>&#8211;compress\uff1a\u542f\u7528 qpress \u538b\u7f29\uff0c\u538b\u7f29\u7387 30%-50%<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\uff082\uff09\u4f20\u8f93\u538b\u7f29\u5907\u4efd\u5230\u76ee\u6807\u5e93<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>scp -r \/data\/backup\/xtrabackup_bak\/alldata_compress 192.168.184.152:\/data\/backup\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\uff083\uff09\u76ee\u6807\u5e93\u89e3\u538b\u4e0e\u6062\u590d<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5b89\u88c5 qpress \u538b\u7f29\u5de5\u5177<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>wget https:\/\/github.com\/PierreLvx\/qpress\/archive\/refs\/tags\/20230507.zip\nunzip qpress-20230507.zip\ncd qpress-20230507\nmake &amp;&amp; make install\n<\/code><\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u89e3\u538b\u5907\u4efd\u6587\u4ef6<\/strong>\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>xtrabackup --decompress --target-dir=\/data\/backup\/alldata_compress\/\n<\/code><\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u540e\u7eed\u6b65\u9aa4<\/strong>\uff1a\u91cd\u590d\u5168\u91cf\u6062\u590d\u7684 \u201c\u51c6\u5907\u9636\u6bb5\u2192\u6e05\u7a7a\u65e7\u6570\u636e\u2192\u590d\u5236\u6062\u590d\u2192\u6743\u9650\u4fee\u590d\u2192\u542f\u52a8\u9a8c\u8bc1\u201d \u6d41\u7a0b\u5373\u53ef\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u907f\u5751\u6307\u5357\uff1a\u4f01\u4e1a\u7ea7\u4f7f\u7528\u5173\u952e\u6ce8\u610f\u4e8b\u9879<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u78c1\u76d8\u7a7a\u95f4\u9884\u7559<\/strong>\uff1a\u5907\u4efd\u76ee\u5f55\u9700\u9884\u7559\u6570\u636e\u91cf 2-3 \u500d\u7a7a\u95f4\uff08\u542b\u538b\u7f29 \/ \u65e5\u5fd7\u5b58\u50a8\uff09\u3002<\/li>\n\n\n\n<li><strong>\u5907\u4efd\u7528\u6237\u6743\u9650<\/strong>\uff1a\u65e0\u9700 root \u6743\u9650\uff0c\u521b\u5efa\u6700\u5c0f\u6743\u9650\u7528\u6237\u5373\u53ef\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>-- \u521b\u5efa\u7528\u6237\uff08MySQL 8.0\u9700\u6307\u5b9a\u8ba4\u8bc1\u63d2\u4ef6mysql_native_password\uff09\ncreate user 'u_xtrabackup'@'localhost' identified WITH mysql_native_password BY 'da7gdcG_a';\n\n-- \u6388\u4e88\u6700\u5c0f\u5907\u4efd\u6743\u9650\ngrant select, reload, lock tables, backup_admin, replication client, create tablespace, process, super on *.* to 'u_xtrabackup'@'localhost';<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u589e\u91cf\u5907\u4efd\u6ce8\u610f<\/strong>\uff1a\u57fa\u7840\u5907\u4efd prepare \u65f6\u9700\u52a0<code>--apply-log-only<\/code>\uff0c\u5426\u5219\u65e0\u6cd5\u53e0\u52a0\u589e\u91cf\u5907\u4efd\u3002<\/li>\n\n\n\n<li><strong>\u975e\u4e8b\u52a1\u8868\u5f71\u54cd<\/strong>\uff1aMyISAM \u8868\u5907\u4efd\u65f6\u4f1a\u77ed\u6682\u9501\u8868\uff0c\u5efa\u8bae\u4e1a\u52a1\u8868\u4f18\u5148\u4f7f\u7528 InnoDB \u5f15\u64ce\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">XtraBackup \u51ed\u501f\u975e\u963b\u585e\u5907\u4efd\u3001\u6781\u901f\u6062\u590d\u3001\u7075\u6d3b\u6269\u5c55\u7684\u7279\u6027\uff0c\u6210\u4e3a\u4f01\u4e1a\u7ea7 MySQL \u5907\u4efd\u7684\u4e0d\u4e8c\u4e4b\u9009\u3002\u638c\u63e1\u5176 &#8220;\u5907\u4efd &#8211; \u51c6\u5907 &#8211; \u6062\u590d&#8221; \u7684\u6838\u5fc3\u6d41\u7a0b\uff0c\u7ed3\u5408 Binlog \u5b9e\u73b0\u65f6\u95f4\u70b9\u6062\u590d\uff0c\u53ef\u6700\u5927\u5316\u4fdd\u969c\u6570\u636e\u5b89\u5168\u6027\u4e0e\u4e1a\u52a1\u8fde\u7eed\u6027\u3002\u5efa\u8bae\u6839\u636e\u6570\u636e\u91cf\u5927\u5c0f\uff0c\u642d\u914d &#8220;\u5168\u91cf + \u589e\u91cf&#8221; \u5907\u4efd\u7b56\u7565\uff0c\u8fdb\u4e00\u6b65\u964d\u4f4e\u5907\u4efd\u5f00\u9500\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 7\u00d724 \u5c0f\u65f6\u4e0d\u95f4\u65ad\u7684\u4e1a\u52a1\u573a\u666f\u4e2d\uff0c\u6570\u636e\u5e93\u5907\u4efd\u662f\u4fdd\u969c\u6570\u636e\u5b89\u5168\u7684\u6700\u540e\u4e00\u9053\u9632\u7ebf\u3002\u76f8\u8f83\u4e8e mysqldump \u7b49\u903b<\/p>\n<div class=\"more-link\">\n\t\t\t\t <a href=\"https:\/\/yunyanglib.cn\/?p=574\" class=\"link-btn theme-btn\"><span>Read More <\/span> <i class=\"fa 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