{"id":566,"date":"2026-02-09T17:38:31","date_gmt":"2026-02-09T09:38:31","guid":{"rendered":"http:\/\/47.100.165.17\/wordpress\/?p=566"},"modified":"2026-03-02T22:58:03","modified_gmt":"2026-03-02T14:58:03","slug":"%e3%80%90mysql%e3%80%91mydumper-%e7%9a%84%e5%a4%87%e4%bb%bd%e5%92%8c%e6%81%a2%e5%a4%8d%e5%ae%9e%e7%94%a8%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/yunyanglib.cn\/?p=566","title":{"rendered":"\u3010MySQL\u3011mydumper \u7684\u5907\u4efd\u548c\u6062\u590d\u5b9e\u7528\u7528\u6cd5"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\" id=\"udbe601af\">\u5728 MySQL \u6570\u636e\u5e93\u8fd0\u7ef4\u4e2d\uff0c\u5907\u4efd\u4e0e\u6062\u590d\u662f\u4fdd\u969c\u6570\u636e\u5b89\u5168\u7684\u6838\u5fc3\u73af\u8282\u3002mydumper \u4f5c\u4e3a\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u903b\u8f91\u5907\u4efd\u5de5\u5177\uff0c\u51ed\u501f\u591a\u7ebf\u7a0b\u5907\u4efd\u3001\u7075\u6d3b\u8fc7\u6ee4\u3001\u538b\u7f29\u5b58\u50a8\u7b49\u4f18\u52bf\uff0c\u9010\u6e10\u6210\u4e3a\u8fd0\u7ef4\u4eba\u5458\u7684\u9996\u9009\u3002\u9664\u57fa\u7840\u5168\u5e93\u5907\u4efd\u5916\uff0cmydumper \u8fd8\u652f\u6301\u5355\u5e93 \/ \u591a\u5e93\u3001\u5355\u8868 \/ \u591a\u8868\u5907\u4efd\uff0c\u4ee5\u53ca\u6b63\u5219\u8fc7\u6ee4\u3001\u81ea\u5b9a\u4e49\u7ebf\u7a0b\u6570\u7b49\u9ad8\u7ea7\u529f\u80fd\uff0c\u672c\u6587\u5c06\u8be6\u7ec6\u62c6\u89e3\u8fd9\u4e9b\u5b9e\u7528\u7528\u6cd5\uff0c\u9644\u5b8c\u6574\u547d\u4ee4\u793a\u4f8b\u4e0e\u95ee\u9898\u6392\u67e5\u65b9\u6848\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u6838\u5fc3\u51c6\u5907\uff1a\u5907\u4efd\u7528\u6237\u6743\u9650\u914d\u7f6e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528\u524d\u9700\u786e\u4fdd\u5907\u4efd\u7528\u6237\u5177\u5907\u8db3\u591f\u6743\u9650\uff0c\u5efa\u8bae\u521b\u5efa\u4e13\u7528\u7528\u6237\u5e76\u6388\u6743\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>-- \u521b\u5efa\u5907\u4efd\u7528\u6237\nCREATE USER 'u_mydumper'@'%' IDENTIFIED BY 'Ud8agc_a';\n\n-- \u6388\u4e88\u5907\u4efd\/\u6062\u590d\u6838\u5fc3\u6743\u9650\nGRANT SELECT, SHOW VIEW, RELOAD, LOCK TABLES, REPLICATION CLIENT ON *.* TO 'u_mydumper'@'%';\n\n-- \u6062\u590d\u65f6\u82e5\u9700\u5904\u7406\u7cfb\u7edf\u8868\uff0c\u9700\u8865\u5145SUPER\u6743\u9650\nGRANT SUPER ON *.* TO 'u_mydumper'@'%';\nFLUSH PRIVILEGES;<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"TvarF\">\u4e8c\u3001\u5206\u573a\u666f\u5907\u4efd\u4e0e\u6062\u590d\u5b9e\u64cd<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">2.1 \u5355\u5e93\u5907\u4efd\u4e0e\u6062\u590d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9002\u7528\u4e8e\u4ec5\u9700\u5907\u4efd\u90e8\u5206\u4e1a\u52a1\u6570\u636e\u5e93\u7684\u573a\u666f\uff0c\u907f\u514d\u5907\u4efd\u65e0\u5173\u6570\u636e\u5360\u7528\u5b58\u50a8\u7a7a\u95f4\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5355\u5e93\u5907\u4efd<\/strong>\uff1a\u5907\u4efd<code>bak1<\/code>\u5e93\u5230\u6307\u5b9a\u76ee\u5f55<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>mydumper -u 'u_mydumper' -p 'Ud8agc_a' -S \/tmp\/mysql.sock -B bak1 -o .\/bak1  # -B\u6307\u5b9a\u6570\u636e\u5e93\uff0c-o\u6307\u5b9a\u8f93\u51fa\u76ee\u5f55<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5355\u5e93\u6062\u590d<\/strong>\uff1a\u6062\u590d\u5230\u65b0\u5e93<code>bak1_recover<\/code>\uff08\u907f\u514d\u8986\u76d6\u539f\u5e93\uff09<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>myloader -u 'u_mydumper' -p 'Ud8agc_a' -S \/tmp\/mysql.sock -B bak1_recover -d .\/bak1\/  # -d\u6307\u5b9a\u5907\u4efd\u6587\u4ef6\u76ee\u5f55<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2.2 \u5355\u8868 \/ \u591a\u8868\u5907\u4efd\u4e0e\u6062\u590d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cbe\u51c6\u5907\u4efd\u6307\u5b9a\u8868\uff0c\u9002\u7528\u4e8e\u8868\u7ea7\u6570\u636e\u8fc1\u79fb\u6216\u5c40\u90e8\u6570\u636e\u5907\u4efd\u573a\u666f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5355\u8868\u5907\u4efd<\/strong>\uff1a\u5907\u4efd<code>bak1<\/code>\u5e93\u4e2d<code>t1<\/code>\u8868<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>mydumper -u 'u_mydumper' -p 'Ud8agc_a' -S \/tmp\/mysql.sock -T bak1.t1 -o .\/bak1_t1  # -T\u6307\u5b9a\"\u5e93.\u8868\"\u683c\u5f0f<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u591a\u8868\u5907\u4efd<\/strong>\uff1a\u540c\u65f6\u5907\u4efd<code>bak1<\/code>\u5e93\u7684<code>t1<\/code>\u548c<code>t2<\/code>\u8868<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>mydumper -u 'u_mydumper' -p 'Ud8agc_a' -S \/tmp\/mysql.sock -T bak1.t1,bak1.t2 -o .\/bak1_t1_t2<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8868\u6062\u590d\u5173\u952e\u6ce8\u610f\u4e8b\u9879<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u76ee\u6807\u5e93\u4e2d\u4e0d\u80fd\u5b58\u5728\u540c\u540d\u8868\uff0c\u5426\u5219\u6062\u590d\u5931\u8d25\uff0c\u9700\u63d0\u524d\u5220\u9664\uff1a<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>DROP TABLE IF EXISTS bak1_recover.t1;  # \u5148\u5220\u9664\u76ee\u6807\u8868<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6267\u884c\u6062\u590d\u547d\u4ee4\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>myloader -u 'u_mydumper' -p 'Ud8agc_a' -S \/tmp\/mysql.sock -B bak1_recover -d .\/bak1_t1\/<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2.3 \u5168\u5e93\u5907\u4efd\u4e0e\u6062\u590d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9002\u7528\u4e8e\u670d\u52a1\u5668\u8fc1\u79fb\u3001\u707e\u96be\u6062\u590d\u7b49\u573a\u666f\uff0c\u9700\u6ce8\u610f\u8fc7\u6ee4\u65e0\u7528\u7cfb\u7edf\u5e93\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5168\u5e93\u5907\u4efd<\/strong>\uff1a\u5907\u4efd\u6240\u6709\u6570\u636e\u5e93\uff08\u542b\u7cfb\u7edf\u5e93\uff09<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>mydumper -u 'u_mydumper' -p 'Ud8agc_a' -S \/tmp\/mysql.sock -o .\/all_databases<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8fc7\u6ee4\u7cfb\u7edf\u5e93\u5907\u4efd<\/strong>\uff1a\u4ec5\u5907\u4efd\u4e1a\u52a1\u5e93\uff08\u6392\u9664 mysql\u3001test \u7b49\uff09<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>mydumper -u 'u_mydumper' -p 'Ud8agc_a' -S \/tmp\/mysql.sock --regex '^(?!(mysql\\.|test\\.))' -o .\/business_databases<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5168\u5e93\u6062\u590d<\/strong>\uff1a\u6062\u590d\u6240\u6709\u6570\u636e\u5e93\u5230\u76ee\u6807\u670d\u52a1\u5668<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>myloader -u 'u_mydumper' -p 'Ud8agc_a' -S \/tmp\/mysql.sock -d .\/all_databases\/<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2.4 \u6b63\u5219\u8868\u8fbe\u5f0f\u9ad8\u7ea7\u8fc7\u6ee4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7<code>--regex<\/code>\u53c2\u6570\u5b9e\u73b0\u590d\u6742\u5907\u4efd\u89c4\u5219\uff0c\u6ee1\u8db3\u4e2a\u6027\u5316\u9700\u6c42\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ec5\u5907\u4efd<code>mysql<\/code>\u548c<code>test<\/code>\u5e93\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>mydumper -u 'u_mydumper' -p 'Ud8agc_a' -S \/tmp\/mysql.sock --regex '^(mysql\\.|test\\.)' -o .\/only_mysql_test<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6392\u9664\u4ee5<code>bak<\/code>\u5f00\u5934\u7684\u5e93\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>mydumper -u 'u_mydumper' -p 'Ud8agc_a' -S \/tmp\/mysql.sock --regex '^(?!(bak))' -o .\/no_bak_databases<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ec5\u5907\u4efd<code>bak1<\/code>\u5e93\u4e2d\u4ee5<code>t<\/code>\u5f00\u5934\u7684\u8868\uff1a<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>mydumper -u 'u_mydumper' -p 'Ud8agc_a' -S \/tmp\/mysql.sock --regex '^bak1\\.t' -o .\/bak1_t_tables<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2.5 \u6027\u80fd\u4f18\u5316\uff1a\u81ea\u5b9a\u4e49\u7ebf\u7a0b\u6570\u5907\u4efd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">mydumper \u9ed8\u8ba4\u4f7f\u7528 4 \u7ebf\u7a0b\u5907\u4efd\uff0c\u53ef\u6839\u636e\u670d\u52a1\u5668 CPU \u6838\u5fc3\u6570\u8c03\u6574<code>-t<\/code>\u53c2\u6570\uff0c\u63d0\u5347\u5907\u4efd\u6548\u7387\uff08\u907f\u514d\u7ebf\u7a0b\u6570\u8d85\u8fc7 CPU \u6838\u5fc3\u6570\u5bfc\u81f4\u8d44\u6e90\u7ade\u4e89\uff09\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># 8\u7ebf\u7a0b\u5907\u4efdbak1\u5e93\uff08\u9002\u54084\u6838\u4ee5\u4e0a\u670d\u52a1\u5668\uff09\nmydumper -u 'u_mydumper' -p 'Ud8agc_a' -S \/tmp\/mysql.sock -t 8 -B bak1 -o .\/bak1_8_threads\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">2.6 \u7a7a\u95f4\u4f18\u5316\uff1a\u538b\u7f29\u5907\u4efd\u4e0e\u6062\u590d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f00\u542f\u538b\u7f29\u5907\u4efd\u53ef\u5927\u5e45\u8282\u7701\u78c1\u76d8\u7a7a\u95f4\uff0c\u5c24\u5176\u9002\u5408\u8fdc\u7a0b\u5907\u4efd\u6216\u5b58\u50a8\u7d27\u5f20\u573a\u666f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u538b\u7f29\u5907\u4efd<\/strong>\uff1a\u901a\u8fc7<code>--compress<\/code>\u53c2\u6570\u751f\u6210.gz \u683c\u5f0f\u5907\u4efd\u6587\u4ef6<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>mydumper -u 'u_mydumper' -p 'Ud8agc_a' -S \/tmp\/mysql.sock -B bak1 --compress -o .\/bak1_compressed<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u538b\u7f29\u6062\u590d<\/strong>\uff1amyloader \u81ea\u52a8\u8bc6\u522b\u538b\u7f29\u6587\u4ef6\uff0c\u65e0\u9700\u624b\u52a8\u89e3\u538b<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>myloader -u 'u_mydumper' -p 'Ud8agc_a' -S \/tmp\/mysql.sock -B bak1_recover_compressed -d .\/bak1_compressed\/<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6062\u590d\u65f6\u63d0\u793a \u201cMissing SUPER privilege\u201d<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u539f\u56e0\uff1a\u5907\u4efd\u7528\u6237\u7f3a\u5c11 SUPER \u6743\u9650\uff0c\u65e0\u6cd5\u6267\u884c\u7cfb\u7edf\u7ea7\u64cd\u4f5c\uff08\u5982\u521b\u5efa\u65e5\u5fd7\u8868\uff09\u3002<\/li>\n\n\n\n<li>\u89e3\u51b3\uff1a\u6388\u4e88 SUPER \u6743\u9650\uff08\u53c2\u8003\u672c\u6587\u7b2c\u4e00\u90e8\u5206\u6743\u9650\u914d\u7f6e\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u6062\u590d\u8868\u65f6\u63d0\u793a \u201cTable already exists\u201d<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u539f\u56e0\uff1a\u76ee\u6807\u5e93\u4e2d\u5df2\u5b58\u5728\u540c\u540d\u8868\uff0cmydumper \u9ed8\u8ba4\u4e0d\u8986\u76d6\u3002<\/li>\n\n\n\n<li>\u89e3\u51b3\uff1a\u63d0\u524d\u5220\u9664\u76ee\u6807\u8868\uff08\u53c2\u8003 2.2 \u8282\u8868\u6062\u590d\u6ce8\u610f\u4e8b\u9879\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5907\u4efd\u901f\u5ea6\u6162\u6216\u670d\u52a1\u5668\u8d1f\u8f7d\u9ad8<\/strong>\uff1a\n<ul class=\"wp-block-list\">\n<li>\u539f\u56e0\uff1a\u7ebf\u7a0b\u6570\u8bbe\u7f6e\u4e0d\u5408\u7406\uff0c\u6216\u5907\u4efd\u65f6\u672a\u907f\u5f00\u4e1a\u52a1\u9ad8\u5cf0\u671f\u3002<\/li>\n\n\n\n<li>\u89e3\u51b3\uff1a\u964d\u4f4e\u7ebf\u7a0b\u6570\uff08\u5982<code>-t 2<\/code>\uff09\uff0c\u5728\u51cc\u6668\u7b49\u4f4e\u5cf0\u671f\u6267\u884c\u5907\u4efd\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">mydumper \u51ed\u501f\u7075\u6d3b\u7684\u5907\u4efd\u7b56\u7565\u3001\u9ad8\u6548\u7684\u591a\u7ebf\u7a0b\u673a\u5236\u548c\u4e30\u5bcc\u7684\u53c2\u6570\u914d\u7f6e\uff0c\u6210\u4e3a MySQL \u6570\u636e\u5e93\u5907\u4efd\u7684\u4f18\u9009\u5de5\u5177\u3002\u672c\u6587\u8986\u76d6\u4e86\u4ece\u5355\u8868\u5230\u5168\u5e93\u3001\u4ece\u57fa\u7840\u5907\u4efd\u5230\u9ad8\u7ea7\u8fc7\u6ee4\u7684\u6838\u5fc3\u7528\u6cd5\uff0c\u5efa\u8bae\u6839\u636e\u5b9e\u9645\u573a\u666f\u7ec4\u5408\u4f7f\u7528\uff08\u5982 \u201c\u538b\u7f29 + \u591a\u7ebf\u7a0b + \u6b63\u5219\u8fc7\u6ee4\u201d\uff09\uff0c\u65e2\u4fdd\u8bc1\u5907\u4efd\u6548\u7387\uff0c\u53c8\u8282\u7701\u5b58\u50a8\u6210\u672c\u3002\u8fd0\u7ef4\u8fc7\u7a0b\u4e2d\u9700\u5b9a\u671f\u6d4b\u8bd5\u6062\u590d\u6d41\u7a0b\uff0c\u786e\u4fdd\u5907\u4efd\u6570\u636e\u53ef\u7528\uff0c\u771f\u6b63\u505a\u5230 \u201c\u6709\u5907\u65e0\u60a3\u201d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 MySQL \u6570\u636e\u5e93\u8fd0\u7ef4\u4e2d\uff0c\u5907\u4efd\u4e0e\u6062\u590d\u662f\u4fdd\u969c\u6570\u636e\u5b89\u5168\u7684\u6838\u5fc3\u73af\u8282\u3002mydumper \u4f5c\u4e3a\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u903b\u8f91\u5907\u4efd\u5de5<\/p>\n<div class=\"more-link\">\n\t\t\t\t <a href=\"https:\/\/yunyanglib.cn\/?p=566\" class=\"link-btn theme-btn\"><span>Read More <\/span> <i class=\"fa 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