{"id":6,"date":"2025-09-21T20:57:26","date_gmt":"2025-09-21T12:57:26","guid":{"rendered":"https:\/\/47.99.41.133\/?p=6"},"modified":"2025-09-21T20:57:26","modified_gmt":"2025-09-21T12:57:26","slug":"mysql%e4%b8%bb%e4%bb%8e%e5%90%8c%e6%ad%a5%e5%ae%9e%e6%88%98","status":"publish","type":"post","link":"https:\/\/www.lhws.top\/index.php\/2025\/09\/21\/mysql%e4%b8%bb%e4%bb%8e%e5%90%8c%e6%ad%a5%e5%ae%9e%e6%88%98\/","title":{"rendered":"MySQL\u4e3b\u4ece\u540c\u6b65\u5b9e\u6218"},"content":{"rendered":"\n

\u7b2c\u4e00\u6b65\uff1a\u7f51\u7edc\u8fde\u901a\u6027\u68c0\u67e5<\/h3>\n\n\n\n

\u76ee\u6807<\/strong>\uff1a\u786e\u4fdd\u4e24\u53f0\u670d\u52a1\u5668\u4e4b\u95f4\u7f51\u7edc\u901a\u7545<\/p>\n\n\n\n

bash<\/p>\n\n\n\n

# \u68c0\u67e5\u7f51\u7edc\u8fde\u901a\u6027<\/em>\nping \u76ee\u6807\u670d\u52a1\u5668IP\ntelnet \u76ee\u6807\u670d\u52a1\u5668IP 3306\n\n# \u9a8c\u8bc1\u9632\u706b\u5899\u8bbe\u7f6e<\/em>\nsystemctl status firewalld\niptables -L -n<\/pre>\n\n\n\n
\u5173\u952e\u70b9<\/strong>\uff1a<\/p>\n\n\n\n
    \n
  • \u786e\u8ba43306\u7aef\u53e3\u5bf9\u5916\u5f00\u653e<\/li>\n\n\n\n
  • \u68c0\u67e5\u4e91\u670d\u52a1\u5546\u5b89\u5168\u7ec4\u89c4\u5219<\/li>\n\n\n\n
  • \u9a8c\u8bc1\u5185\u7f51\/\u516c\u7f51\u8fde\u901a\u6027<\/li>\n<\/ul>\n\n\n\n
    \u7b2c\u4e8c\u6b65\uff1a\u521b\u5efa\u540c\u6b65\u8d26\u6237<\/h3>\n\n\n\n
    \u76ee\u6807<\/strong>\uff1a\u5efa\u7acb\u4e13\u95e8\u7528\u4e8e\u6570\u636e\u590d\u5236\u7684\u6570\u636e\u5e93\u8d26\u6237<\/p>\n\n\n\n
    sql<\/p>\n\n\n\n
    -- \u5728\u4e3b\u670d\u52a1\u5668\u4e0a\u521b\u5efa\u590d\u5236\u7528\u6237<\/em>\nCREATE USER 'replica_user'@'\u4ece\u670d\u52a1\u5668IP' IDENTIFIED BY '\u5f3a\u5bc6\u7801';\nGRANT REPLICATION SLAVE ON *.* TO 'replica_user'@'\u4ece\u670d\u52a1\u5668IP';\nFLUSH PRIVILEGES;<\/pre>\n\n\n\n
    \u6743\u9650\u8981\u6c42<\/strong>\uff1a<\/p>\n\n\n\n
      \n
    • REPLICATION SLAVE \u6743\u9650<\/li>\n\n\n\n
    • \u6307\u5b9a\u4ece\u670d\u52a1\u5668IP\u5730\u5740\u589e\u5f3a\u5b89\u5168\u6027<\/li>\n\n\n\n
    • \u4f7f\u7528\u5f3a\u5bc6\u7801\u7b56\u7565<\/li>\n<\/ul>\n\n\n\n
      \u7b2c\u4e09\u6b65\uff1a\u6570\u636e\u540c\u6b65<\/h3>\n\n\n\n
      \u76ee\u6807<\/strong>\uff1a\u5c06\u4e3b\u670d\u52a1\u5668\u6570\u636e\u5b8c\u6574\u8fc1\u79fb\u5230\u4ece\u670d\u52a1\u5668<\/p>\n\n\n\n
      bash<\/p>\n\n\n\n
      # \u4e3b\u670d\u52a1\u5668\u521b\u5efa\u6570\u636e\u5907\u4efd<\/em>\nmysqldump -u\u7528\u6237\u540d -p\u5bc6\u7801 --master-data --single-transaction --all-databases > backup.sql\n\n# \u4f20\u8f93\u5907\u4efd\u6587\u4ef6\u5230\u4ece\u670d\u52a1\u5668<\/em>\nscp backup.sql \u7528\u6237\u540d@\u4ece\u670d\u52a1\u5668IP:\/tmp\/\n\n# \u4ece\u670d\u52a1\u5668\u5bfc\u5165\u6570\u636e<\/em>\nmysql -u\u7528\u6237\u540d -p\u5bc6\u7801 < \/tmp\/backup.sql<\/pre>\n\n\n\n
      \u6ce8\u610f\u4e8b\u9879<\/strong>\uff1a<\/p>\n\n\n\n
        \n
      • \u4f7f\u7528--master-data<\/code>\u8bb0\u5f55\u4e8c\u8fdb\u5236\u65e5\u5fd7\u4f4d\u7f6e<\/li>\n\n\n\n
      • --single-transaction<\/code>\u786e\u4fdd\u6570\u636e\u4e00\u81f4\u6027<\/li>\n\n\n\n
      • \u5907\u4efd\u671f\u95f4\u907f\u514d\u5927\u91cf\u6570\u636e\u5199\u5165<\/li>\n<\/ul>\n\n\n\n
        \u7b2c\u56db\u6b65\uff1a\u542f\u52a8\u4e3b\u4ece\u590d\u5236<\/h3>\n\n\n\n
        \u76ee\u6807<\/strong>\uff1a\u914d\u7f6e\u5e76\u542f\u52a8\u590d\u5236\u8fdb\u7a0b<\/p>\n\n\n\n
        sql<\/p>\n\n\n\n
        -- \u5728\u4ece\u670d\u52a1\u5668\u4e0a\u6267\u884c<\/em>\nCHANGE MASTER TO\nMASTER_HOST='\u4e3b\u670d\u52a1\u5668IP',\nMASTER_USER='replica_user',\nMASTER_PASSWORD='\u5bc6\u7801',\nMASTER_LOG_FILE='mysql-bin.000001',\nMASTER_LOG_POS=123456;\n\nSTART SLAVE;<\/pre>\n\n\n\n
        \u9a8c\u8bc1\u547d\u4ee4<\/strong>\uff1a<\/p>\n\n\n\n
        sql<\/p>\n\n\n\n
        SHOW SLAVE STATUS\\G\n-- \u68c0\u67e5Slave_IO_Running\u548cSlave_SQL_Running\u72b6\u6001<\/em>\n-- \u786e\u8ba4Seconds_Behind_Master\u503c\u4e3a0<\/em><\/pre>\n\n\n\n
        \u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/h2>\n\n\n\n
        \u95ee\u9898\u7c7b\u578b<\/th>\u8868\u73b0<\/th>\u89e3\u51b3\u65b9\u6cd5<\/th><\/tr><\/thead>
        \u7f51\u7edc\u8fde\u63a5<\/td>Connection timed out<\/td>\u68c0\u67e5\u5b89\u5168\u7ec4\u3001\u9632\u706b\u5899\u8bbe\u7f6e<\/td><\/tr>
        \u6743\u9650\u95ee\u9898<\/td>Access denied<\/td>\u786e\u8ba4\u590d\u5236\u7528\u6237\u6743\u9650\u548c\u4e3b\u673a\u8bbe\u7f6e<\/td><\/tr>
        \u6570\u636e\u4e0d\u4e00\u81f4<\/td>\u540c\u6b65\u4e2d\u65ad\u6216\u9519\u8bef<\/td>\u91cd\u65b0\u521d\u59cb\u5316\u6570\u636e\u540c\u6b65<\/td><\/tr>
        \u7248\u672c\u517c\u5bb9<\/td>\u8bed\u6cd5\u9519\u8bef<\/td>\u786e\u4fdd\u4e3b\u4eceMySQL\u7248\u672c\u517c\u5bb9<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"
        \u7b2c\u4e00\u6b65\uff1a\u7f51\u7edc\u8fde\u901a\u6027\u68c0\u67e5 \u76ee\u6807\uff1a\u786e\u4fdd\u4e24\u53f0\u670d\u52a1\u5668\u4e4b\u95f4\u7f51\u7edc\u901a\u7545 bash # \u68c0\u67e5\u7f51\u7edc\u8fde\u901a\u6027 ping \u76ee\u6807\u670d\u52a1\u5668I […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.lhws.top\/index.php\/wp-json\/wp\/v2\/posts\/6","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lhws.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lhws.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lhws.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lhws.top\/index.php\/wp-json\/wp\/v2\/comments?post=6"}],"version-history":[{"count":1,"href":"https:\/\/www.lhws.top\/index.php\/wp-json\/wp\/v2\/posts\/6\/revisions"}],"predecessor-version":[{"id":8,"href":"https:\/\/www.lhws.top\/index.php\/wp-json\/wp\/v2\/posts\/6\/revisions\/8"}],"wp:attachment":[{"href":"https:\/\/www.lhws.top\/index.php\/wp-json\/wp\/v2\/media?parent=6"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lhws.top\/index.php\/wp-json\/wp\/v2\/categories?post=6"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lhws.top\/index.php\/wp-json\/wp\/v2\/tags?post=6"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}