{"id":531,"date":"2026-02-06T16:18:00","date_gmt":"2026-02-06T08:18:00","guid":{"rendered":"http:\/\/47.100.165.17\/wordpress\/?p=531"},"modified":"2026-03-02T22:55:16","modified_gmt":"2026-03-02T14:55:16","slug":"%e3%80%90mysql%e3%80%91%e9%80%bb%e8%be%91%e5%a4%87%e4%bb%bd%e5%b7%a5%e5%85%b7-mysqldump-%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86%e6%b7%b1%e5%ba%a6%e5%89%96%e6%9e%90","status":"publish","type":"post","link":"https:\/\/yunyanglib.cn\/?p=531","title":{"rendered":"\u3010MySQL\u3011\u903b\u8f91\u5907\u4efd\u5de5\u5177 mysqldump \u5de5\u4f5c\u539f\u7406\u6df1\u5ea6\u5256\u6790"},"content":{"rendered":"\n

\u5728 MySQL \u6570\u636e\u5e93\u5907\u4efd\u573a\u666f\u4e2d\uff0cmysqldump \u4f5c\u4e3a\u7ecf\u5178\u7684\u903b\u8f91\u5907\u4efd\u5de5\u5177\uff0c\u51ed\u501f\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\u5f3a\u3001\u5907\u4efd\u6587\u4ef6\u53ef\u8bfb\u6027\u9ad8\u7684\u4f18\u52bf\u88ab\u5e7f\u6cdb\u5e94\u7528\u3002\u672c\u6587\u5c06\u4ece\u5907\u4efd\u7c7b\u578b\u5dee\u5f02\u5165\u624b\uff0c\u901a\u8fc7\u5b9e\u6218\u5b9e\u9a8c\u62c6\u89e3 mysqldump \u7684\u5907\u4efd\u4e0e\u6062\u590d\u6d41\u7a0b\uff0c\u63ed\u79d8\u5176\u5e95\u5c42\u5de5\u4f5c\u903b\u8f91\u3002<\/p>\n\n\n\n

\u4e00\u3001\u903b\u8f91\u5907\u4efd vs \u7269\u7406\u5907\u4efd\uff1a\u6838\u5fc3\u5dee\u5f02\u5bf9\u6bd4<\/h2>\n\n\n\n

\u9009\u62e9\u5907\u4efd\u5de5\u5177\u524d\uff0c\u9700\u660e\u786e\u4e24\u79cd\u5907\u4efd\u65b9\u5f0f\u7684\u672c\u8d28\u533a\u522b\uff0c\u4ee5\u4e0b\u662f\u5173\u952e\u7279\u6027\u5bf9\u6bd4\uff1a<\/p>\n\n\n\n

\u5dee\u5f02\u9879<\/th>\u7269\u7406\u5907\u4efd<\/th>\u903b\u8f91\u5907\u4efd<\/th><\/tr><\/thead>
\u5907\u4efd\u5185\u5bb9<\/td>\u6570\u636e\u76ee\u5f55\u3001\u65e5\u5fd7\u6587\u4ef6\u3001\u914d\u7f6e\u6587\u4ef6\u7b49\u5e95\u5c42\u6587\u4ef6<\/td>\u5efa\u5e93\u5efa\u8868\u8bed\u53e5\u3001\u6570\u636e\u63d2\u5165\u8bed\u53e5\u7b49 SQL \u903b\u8f91\u6307\u4ee4<\/td><\/tr>
\u5907\u4efd\u8017\u65f6<\/td>\u8f83\u5feb\uff08\u76f4\u63a5\u6587\u4ef6\u590d\u5236\uff0c\u65e0\u9700\u683c\u5f0f\u8f6c\u6362\uff09<\/td>\u8f83\u6162\uff08\u89e3\u6790\u6570\u636e\u751f\u6210 SQL\uff0c\u6d88\u8017\u6570\u636e\u5e93\u8d44\u6e90\uff09<\/td><\/tr>
\u4ee3\u8868\u5de5\u5177<\/td>Xtrabackup\u3001Clone Plugin<\/td>mysqldump\u3001mydumper<\/td><\/tr>
\u53ef\u79fb\u690d\u6027<\/td>\u5dee\uff08\u4f9d\u8d56\u786c\u4ef6\u67b6\u6784\u4e0e\u64cd\u4f5c\u7cfb\u7edf\uff09<\/td>\u597d\uff08SQL \u6587\u4ef6\u8de8\u5e73\u53f0\u517c\u5bb9\uff09<\/td><\/tr>
\u5907\u4efd\u65f6\u673a<\/td>MySQL \u8fd0\u884c \/ \u505c\u6b62\u72b6\u6001\u5747\u53ef<\/td>\u4ec5\u652f\u6301 MySQL \u542f\u52a8\u72b6\u6001<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\n\n\n\n

\u4e8c\u3001mysqldump \u5b9e\u6218\uff1a\u5907\u4efd\u4e0e\u6062\u590d\u5168\u6d41\u7a0b\u62c6\u89e3<\/h2>\n\n\n\n

\u4e3a\u9a8c\u8bc1 mysqldump \u5de5\u4f5c\u673a\u5236\uff0c\u642d\u5efa\u53cc\u865a\u62df\u673a\u5b9e\u9a8c\u73af\u5883\uff0c\u4ece\u5b9e\u64cd\u89d2\u5ea6\u8fd8\u539f\u5907\u4efd\u6062\u590d\u5168\u8fc7\u7a0b\u3002<\/p>\n\n\n\n

2.1 \u5b9e\u9a8c\u73af\u5883\u51c6\u5907<\/h3>\n\n\n\n
\u89d2\u8272<\/th>IP \u5730\u5740<\/th>\u7528\u9014<\/th><\/tr><\/thead>
\u6e90\u6570\u636e\u5e93<\/td>192.168.184.151<\/td>\u521b\u5efa\u5907\u4efd\u7528\u6237\u3001\u6d4b\u8bd5\u6570\u636e\u4e0e\u5907\u4efd<\/td><\/tr>
\u76ee\u6807\u6570\u636e\u5e93<\/td>192.168.184.152<\/td>\u63a5\u6536\u5907\u4efd\u6570\u636e\uff0c\u9a8c\u8bc1\u6062\u590d\u6548\u679c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u6b65\u9aa4 1\uff1a\u6e90\u6570\u636e\u5e93\uff08maria_01\uff09\u914d\u7f6e<\/h4>\n\n\n\n
# 1. \u767b\u5f55 MySQL \u5e76\u521b\u5efa\u5907\u4efd\u7528\u6237\uff08\u6388\u4e88\u5fc5\u5907\u6743\u9650\uff09\nmysql -uroot -p\ncreate user u_bak@'%' identified by 'Ijd71Gcd_a';\ngrant select,reload,process,lock tables,replication client,replication_slave_admin,show view,trigger on *.* to 'u_bak'@'%';\n\n# 2. \u521b\u5efa\u6d4b\u8bd5\u5e93\u8868\u4e0e\u6570\u636e\ncreate database bak1;\nuse bak1;\ncreate table t1(\n id int primary key auto_increment,\n a varchar(20) default null,\n b int default null\n)engine=innodb charset=utf8mb4;\ninsert into t1(a,b) values ('one',1),('two',2);<\/code><\/pre>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u6b65\u9aa4 2\uff1a\u76ee\u6807\u6570\u636e\u5e93\uff08maria_02\uff09\u914d\u7f6e<\/h4>\n\n\n\n
# 1. \u767b\u5f55 MySQL \u5e76\u521b\u5efa\u6062\u590d\u7528\u6237\nmysql -uroot -p\ncreate user u_recover@'%' identified by 'Ud8G_cda1';\ngrant lock tables,drop,create,alter,select,insert on *.* to 'u_recover'@'%';\n\n# 2. \u521b\u5efa\u76ee\u6807\u6062\u590d\u5e93\ncreate database recover1;<\/code><\/pre>\n\n\n\n
\"\"<\/figure>\n\n\n\n
2.2 \u5907\u4efd\u539f\u7406\uff1a\u4ece General Log \u770b\u5e95\u5c42\u6267\u884c\u903b\u8f91<\/h3>\n\n\n\n
mysqldump \u7684\u5907\u4efd\u8fc7\u7a0b\u672c\u8d28\u662f\u4e00\u7cfb\u5217 SQL \u547d\u4ee4\u7684\u6267\u884c\uff0c\u901a\u8fc7\u5f00\u542f General Log \u53ef\u5b9e\u65f6\u6355\u83b7\u64cd\u4f5c\u6d41\u7a0b\u3002<\/p>\n\n\n\n
\u6b65\u9aa4 1\uff1a\u5f00\u542f\u5e76\u76d1\u63a7 General Log<\/h4>\n\n\n\n

\u5728 maria_01 \u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u5f00\u542f\u65e5\u5fd7\u5e76\u5b9e\u65f6\u67e5\u770b\uff1a<\/p>\n\n\n\n
# \u5f00\u542f\u901a\u7528\u65e5\u5fd7\nset global general_log=on;\n\n# \u67e5\u770b\u65e5\u5fd7\u5b58\u50a8\u8def\u5f84\nshow global variables like '%general%';\n\n# \u5b9e\u65f6\u76d1\u63a7\u65e5\u5fd7\uff08\u65b0\u7ec8\u7aef\u7a97\u53e3\uff09\ntail -f \/data\/mysql\/log\/mysql-general.log<\/code><\/pre>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u6b65\u9aa4 2\uff1a\u6267\u884c\u5907\u4efd\u547d\u4ee4<\/h4>\n\n\n\n
# \u521b\u5efa\u5907\u4efd\u76ee\u5f55\u5e76\u6267\u884c\u5907\u4efd\nmkdir \/data\/backup\/ && cd \/data\/backup\/\nmysqldump -u'u_bak' -p'Ijd71Gcd_a' --set-gtid-purged=off bak1 >bak1.sql<\/code><\/pre>\n\n\n\n
\u5907\u4efd\u6838\u5fc3\u6d41\u7a0b\uff08\u65e5\u5fd7\u5206\u6790\uff09<\/h4>\n\n\n\n
    \n
  1. \u5efa\u7acb\u8fde\u63a5\u4e0e\u73af\u5883\u521d\u59cb\u5316<\/strong>\uff1a\u6267\u884c SET SQL_MODE=''<\/code>\u3001SET TIME_ZONE='+00:00'<\/code> \u7b49\u547d\u4ee4\u914d\u7f6e\u4f1a\u8bdd\u73af\u5883\uff1b<\/li>\n\n\n\n
  2. \u5143\u6570\u636e\u67e5\u8be2<\/strong>\uff1a\u83b7\u53d6 undo log\u3001\u6570\u636e\u6587\u4ef6\u8def\u5f84\u7b49\u5b58\u50a8\u7ed3\u6784\u4fe1\u606f\uff1b<\/li>\n\n\n\n
  3. \u8868\u679a\u4e3e<\/strong>\uff1a\u901a\u8fc7 show tables<\/code> \u5217\u51fa\u76ee\u6807\u5e93\u4e2d\u6240\u6709\u8868\uff1b<\/li>\n\n\n\n
  4. \u52a0\u8bfb\u9501<\/strong>\uff1a\u6267\u884c LOCK TABLES t1 READ \/*!32311 LOCAL *\/<\/code> \u4fdd\u969c\u5907\u4efd\u4e00\u81f4\u6027\uff1b<\/li>\n\n\n\n
  5. \u5bfc\u51fa\u8868\u7ed3\u6784<\/strong>\uff1a\u901a\u8fc7 show create table t1<\/code> \u751f\u6210\u5efa\u8868\u8bed\u53e5\uff1b<\/li>\n\n\n\n
  6. \u5bfc\u51fa\u8868\u6570\u636e<\/strong>\uff1a\u6267\u884c SELECT \/*!40001 SQL_NO_CACHE *\/ * FROM t1<\/code> \u8bfb\u53d6\u6570\u636e\u5e76\u751f\u6210\u63d2\u5165\u8bed\u53e5\uff1b<\/li>\n\n\n\n
  7. \u89e3\u9501\u4e0e\u65ad\u5f00\u8fde\u63a5<\/strong>\uff1a\u6267\u884c UNLOCK TABLES<\/code> \u91ca\u653e\u9501\u8d44\u6e90\uff0c\u65ad\u5f00\u6570\u636e\u5e93\u8fde\u63a5\u3002<\/li>\n<\/ol>\n\n\n\n
    \"\"<\/figure>\n\n\n\n
    2.3 \u6062\u590d\u539f\u7406\uff1aSQL \u6587\u4ef6\u7684\u9006\u5411\u6267\u884c<\/h3>\n\n\n\n
    \u6062\u590d\u8fc7\u7a0b\u662f\u5907\u4efd\u7684\u9006\u64cd\u4f5c\uff0c\u540c\u6837\u53ef\u901a\u8fc7 General Log \u89c2\u5bdf\u5e95\u5c42\u547d\u4ee4\u3002\u5728 maria_02 \u5f00\u542f\u65e5\u5fd7\u540e\uff0c\u6267\u884c\u6062\u590d\u547d\u4ee4\uff1a<\/p>\n\n\n\n
    \u6267\u884c\u6062\u590d\u547d\u4ee4<\/h4>\n\n\n\n
    # \u4ece\u6e90\u6570\u636e\u5e93\u5c06\u5907\u4efd\u6587\u4ef6\u5bfc\u5165\u76ee\u6807\u5e93\n# \u5728maria_01\u6267\u884c\u6062\u590d\uff08\u5c06bak1.sql\u5bfc\u5165maria_02\u7684recover1\u5e93\uff09\nmysql -u'u_recover' -p'Ud8G_cda1' -h 192.168.184.152 recover1 < bak1.sql\n<\/code><\/pre>\n\n\n\n
    \u6062\u590d\u6838\u5fc3\u6d41\u7a0b\uff08\u65e5\u5fd7\u5206\u6790\uff09<\/h4>\n\n\n\n
      \n
    1. \u73af\u5883\u91cd\u7f6e<\/strong>\uff1a\u6267\u884c SET FOREIGN_KEY_CHECKS=0<\/code>\u3001SET SQL_MODE='NO_AUTO_VALUE_ON_ZERO'<\/code> \u907f\u514d\u7ea6\u675f\u51b2\u7a81\uff1b<\/li>\n\n\n\n
    2. \u6e05\u7406\u65e7\u8868<\/strong>\uff1aDROP TABLE IF EXISTS t1<\/code> \u6e05\u9664\u540c\u540d\u8868\uff0c\u9632\u6b62\u7ed3\u6784\u51b2\u7a81\uff1b<\/li>\n\n\n\n
    3. \u91cd\u5efa\u8868\u7ed3\u6784<\/strong>\uff1a\u6267\u884c\u5907\u4efd\u6587\u4ef6\u4e2d\u7684 CREATE TABLE<\/code> \u8bed\u53e5\uff1b<\/li>\n\n\n\n
    4. \u52a0\u5199\u9501<\/strong>\uff1aLOCK TABLES t1 WRITE<\/code> \u9632\u6b62\u6062\u590d\u671f\u95f4\u6570\u636e\u5199\u5165\uff1b<\/li>\n\n\n\n
    5. \u6279\u91cf\u63d2\u5165<\/strong>\uff1a\u5148 ALTER TABLE t1 DISABLE KEYS<\/code> \u5173\u95ed\u7d22\u5f15\u63d0\u5347\u6548\u7387\uff0c\u6267\u884c INSERT<\/code> \u8bed\u53e5\u5199\u5165\u6570\u636e\u540e\u5f00\u542f\u7d22\u5f15\uff1b<\/li>\n\n\n\n
    6. \u73af\u5883\u8fd8\u539f<\/strong>\uff1a\u89e3\u9501\u5e76\u6062\u590d\u539f SQL_MODE\u3001\u5916\u952e\u68c0\u67e5\u7b49\u914d\u7f6e\u3002<\/li>\n<\/ol>\n\n\n\n
      \"\"<\/figure>\n\n\n\n
      \u4e09\u3001\u6838\u5fc3\u603b\u7ed3<\/h2>\n\n\n\n
        \n
      1. mysqldump \u672c\u8d28<\/strong>\uff1a\u901a\u8fc7 SQL \u547d\u4ee4\u67e5\u8be2 + \u751f\u6210\u7684\u65b9\u5f0f\u5b9e\u73b0\u903b\u8f91\u5907\u4efd\uff0c\u5907\u4efd\u6587\u4ef6\u4e3a\u7eaf\u6587\u672c SQL\uff0c\u53ef\u76f4\u63a5\u7f16\u8f91\uff1b<\/li>\n\n\n\n
      2. \u5173\u952e\u7279\u6027<\/strong>\uff1a\u8de8\u5e73\u53f0\u517c\u5bb9\u5f3a\uff0c\u4f46\u5907\u4efd\u8017\u65f6\u8f83\u957f\uff0c\u9002\u5408\u4e2d\u5c0f\u89c4\u6a21\u6570\u636e\u5e93\uff1b<\/li>\n\n\n\n
      3. \u6743\u9650\u8981\u6c42<\/strong>\uff1a\u5907\u4efd\u7528\u6237\u9700\u5177\u5907 select<\/code>\u3001lock tables<\/code> \u7b49\u6743\u9650\uff0c\u6062\u590d\u7528\u6237\u9700\u5177\u5907 create<\/code>\u3001insert<\/code> \u7b49\u6743\u9650\uff1b<\/li>\n\n\n\n
      4. \u4e00\u81f4\u6027\u4fdd\u969c<\/strong>\uff1a\u5907\u4efd\u65f6\u901a\u8fc7\u8bfb\u9501\u9632\u6b62\u6570\u636e\u4fee\u6539\uff0c\u6062\u590d\u65f6\u901a\u8fc7\u5199\u9501\u907f\u514d\u5e76\u53d1\u5e72\u6270\u3002<\/li>\n<\/ol>\n\n\n\n
        \u901a\u8fc7\u672c\u6587\u7684\u5b9e\u9a8c\u4e0e\u539f\u7406\u62c6\u89e3\uff0c\u76f8\u4fe1\u5927\u5bb6\u5df2\u638c\u63e1 mysqldump \u7684\u6838\u5fc3\u5de5\u4f5c\u673a\u5236\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9700\u7ed3\u5408\u6570\u636e\u91cf\u5927\u5c0f\u3001\u5907\u4efd\u7a97\u53e3\u8981\u6c42\u9009\u62e9\u5408\u9002\u7684\u5907\u4efd\u5de5\u5177\uff0c\u4e2d\u5c0f\u89c4\u6a21\u573a\u666f\u4e0b mysqldump \u4ecd\u662f\u6027\u4ef7\u6bd4\u6781\u9ad8\u7684\u9009\u62e9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u5728 MySQL \u6570\u636e\u5e93\u5907\u4efd\u573a\u666f\u4e2d\uff0cmysqldump \u4f5c\u4e3a\u7ecf\u5178\u7684\u903b\u8f91\u5907\u4efd\u5de5\u5177\uff0c\u51ed\u501f\u8de8\u5e73\u53f0\u517c\u5bb9\u6027\u5f3a\u3001\u5907\u4efd\u6587\u4ef6\u53ef\u8bfb<\/p>\n
        \n\t\t\t\t Read More <\/span> <\/i><\/a>\n\t\t\t<\/div>\n","protected":false},"author":1,"featured_media":540,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[16],"class_list":["post-531","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mysql","tag-mysql"],"_links":{"self":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/531","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=531"}],"version-history":[{"count":5,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/531\/revisions"}],"predecessor-version":[{"id":903,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/531\/revisions\/903"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/media\/540"}],"wp:attachment":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}