{"id":76350,"date":"2024-10-16T05:56:16","date_gmt":"2024-10-15T21:56:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76350\/"},"modified":"2024-10-16T05:56:16","modified_gmt":"2024-10-15T21:56:16","slug":"mysql%e6%95%b8%e6%93%9a%e6%81%a2%e5%be%a9%e7%9a%84%e4%b9%9d%e6%8a%8a%e7%91%9e%e5%a3%ab%e8%bb%8d%e5%88%80","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76350\/","title":{"rendered":"MySQL\u6578\u64da\u6062\u5fa9\u7684\u4e5d\u628a\u745e\u58eb\u8ecd\u5200"},"content":{"rendered":"

MySQL\u6578\u64da\u6062\u5fa9\u7684\u4e5d\u628a\u745e\u58eb\u8ecd\u5200<\/h1>\n

\u5728\u6578\u64da\u7ba1\u7406\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u4e1f\u5931\u662f\u4e00\u500b\u5e38\u898b\u4e14\u4ee4\u4eba\u982d\u75db\u7684\u554f\u984c\u3002\u7121\u8ad6\u662f\u56e0\u70ba\u610f\u5916\u522a\u9664\u3001\u7cfb\u7d71\u5d29\u6f70\u9084\u662f\u786c\u4ef6\u6545\u969c\uff0c\u6578\u64da\u7684\u6062\u5fa9\u90fd\u662f\u4e00\u9805\u91cd\u8981\u7684\u4efb\u52d9\u3002\u5c0d\u65bc\u4f7f\u7528MySQL\u6578\u64da\u5eab\u7684\u958b\u767c\u8005\u548c\u7ba1\u7406\u54e1\u4f86\u8aaa\uff0c\u638c\u63e1\u6578\u64da\u6062\u5fa9\u7684\u6280\u5de7\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u4e5d\u7a2e\u6709\u6548\u7684MySQL\u6578\u64da\u6062\u5fa9\u65b9\u6cd5\uff0c\u5e6b\u52a9\u60a8\u5728\u9762\u5c0d\u6578\u64da\u4e1f\u5931\u6642\u80fd\u5920\u8fc5\u901f\u61c9\u5c0d\u3002<\/p>\n

1. \u5099\u4efd\u8207\u6062\u5fa9<\/h2>\n

\u6700\u57fa\u672c\u7684\u6578\u64da\u6062\u5fa9\u65b9\u6cd5\u662f\u5b9a\u671f\u5099\u4efd\u6578\u64da\u3002MySQL\u63d0\u4f9b\u4e86\u591a\u7a2e\u5099\u4efd\u5de5\u5177\uff0c\u5982mysqldump\u548cmysqlpump\u3002\u9019\u4e9b\u5de5\u5177\u53ef\u4ee5\u5c07\u6578\u64da\u5eab\u5c0e\u51fa\u70baSQL\u6587\u4ef6\uff0c\u65b9\u4fbf\u5728\u9700\u8981\u6642\u9032\u884c\u6062\u5fa9\u3002<\/p>\n

mysqldump -u username -p database_name > backup.sql<\/code><\/pre>\n
2. \u4e8c\u9032\u5236\u65e5\u8a8c<\/h2>\n
MySQL\u7684\u4e8c\u9032\u5236\u65e5\u8a8c\u8a18\u9304\u4e86\u6240\u6709\u66f4\u6539\u6578\u64da\u5eab\u7684\u64cd\u4f5c\u3002\u901a\u904e\u5206\u6790\u9019\u4e9b\u65e5\u8a8c\uff0c\u53ef\u4ee5\u6062\u5fa9\u5230\u67d0\u500b\u7279\u5b9a\u7684\u6642\u9593\u9ede\u3002\u555f\u7528\u4e8c\u9032\u5236\u65e5\u8a8c\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528mysqlbinlog\u5de5\u5177\u4f86\u67e5\u770b\u548c\u6062\u5fa9\u6578\u64da\u3002<\/p>\n
mysqlbinlog --start-datetime=\"2023-10-01 10:00:00\" --stop-datetime=\"2023-10-01 11:00:00\" binlog.000001 | mysql -u username -p<\/code><\/pre>\n
3. \u8868\u7a7a\u9593\u6062\u5fa9<\/h2>\n
\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662fInnoDB\u5b58\u5132\u5f15\u64ce\uff0c\u5247\u53ef\u4ee5\u901a\u904e\u8868\u7a7a\u9593\u6062\u5fa9\u4f86\u4fee\u5fa9\u640d\u58de\u7684\u8868\u3002\u9019\u9700\u8981\u4f7f\u7528innodb_force_recovery\u9078\u9805\u4f86\u555f\u52d5MySQL\u670d\u52d9\uff0c\u7136\u5f8c\u5c0e\u51fa\u6578\u64da\u3002<\/p>\n
innodb_force_recovery=1<\/code><\/pre>\n
4. \u4f7f\u7528\u7b2c\u4e09\u65b9\u5de5\u5177<\/h2>\n
\u5e02\u5834\u4e0a\u6709\u8a31\u591a\u7b2c\u4e09\u65b9\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u6062\u5fa9MySQL\u6578\u64da\uff0c\u5982Stellar Repair for MySQL\u548cMySQL Recovery Toolbox\u3002\u9019\u4e9b\u5de5\u5177\u901a\u5e38\u63d0\u4f9b\u7528\u6236\u53cb\u597d\u7684\u754c\u9762\uff0c\u4e26\u80fd\u5920\u81ea\u52d5\u6aa2\u6e2c\u548c\u4fee\u5fa9\u554f\u984c\u3002<\/p>\n
5. \u6062\u5fa9\u522a\u9664\u7684\u6578\u64da<\/h2>\n
\u5982\u679c\u6578\u64da\u662f\u56e0\u70ba\u8aa4\u64cd\u4f5c\u800c\u88ab\u522a\u9664\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u6578\u64da\u6062\u5fa9\u5de5\u5177\u4f86\u5617\u8a66\u6062\u5fa9\u9019\u4e9b\u6578\u64da\u3002\u4f8b\u5982\uff0c\u4f7f\u7528Undrop for InnoDB\u53ef\u4ee5\u6062\u5fa9\u88ab\u522a\u9664\u7684\u884c\u3002<\/p>\n
6. \u4f7f\u7528\u5feb\u7167\u6280\u8853<\/h2>\n
\u8a31\u591a\u96f2\u670d\u52d9\u63d0\u4f9b\u5546\u652f\u6301\u5feb\u7167\u6280\u8853\uff0c\u9019\u53ef\u4ee5\u5728\u7279\u5b9a\u6642\u9593\u9ede\u5275\u5efa\u6578\u64da\u5eab\u7684\u5b8c\u6574\u526f\u672c\u3002\u9019\u6a23\uff0c\u60a8\u53ef\u4ee5\u96a8\u6642\u6062\u5fa9\u5230\u5feb\u7167\u5275\u5efa\u6642\u7684\u72c0\u614b\u3002<\/p>\n
7. \u76e3\u63a7\u548c\u8b66\u5831\u7cfb\u7d71<\/h2>\n
\u5efa\u7acb\u4e00\u500b\u76e3\u63a7\u7cfb\u7d71\u53ef\u4ee5\u53ca\u65e9\u767c\u73fe\u6578\u64da\u5eab\u7684\u7570\u5e38\u60c5\u6cc1\uff0c\u5f9e\u800c\u53ca\u6642\u63a1\u53d6\u63aa\u65bd\u3002\u4f7f\u7528\u5de5\u5177\u5982Prometheus\u548cGrafana\u53ef\u4ee5\u5e6b\u52a9\u60a8\u76e3\u63a7MySQL\u7684\u6027\u80fd\u548c\u5065\u5eb7\u72c0\u614b\u3002<\/p>\n
8. \u6578\u64da\u5b8c\u6574\u6027\u6aa2\u67e5<\/h2>\n
\u5b9a\u671f\u6aa2\u67e5\u6578\u64da\u7684\u5b8c\u6574\u6027\u53ef\u4ee5\u5e6b\u52a9\u60a8\u53ca\u65e9\u767c\u73fe\u554f\u984c\u3002\u4f7f\u7528CHECK TABLE\u547d\u4ee4\u53ef\u4ee5\u6aa2\u67e5\u8868\u7684\u5b8c\u6574\u6027\uff0c\u4e26\u5728\u767c\u73fe\u554f\u984c\u6642\u53ca\u6642\u4fee\u5fa9\u3002<\/p>\n
CHECK TABLE table_name;<\/code><\/pre>\n
9. \u8a2d\u7f6e\u81ea\u52d5\u5099\u4efd<\/h2>\n
\u70ba\u4e86\u907f\u514d\u6578\u64da\u4e1f\u5931\uff0c\u5efa\u8b70\u8a2d\u7f6e\u81ea\u52d5\u5099\u4efd\u8a08\u5283\u3002\u53ef\u4ee5\u4f7f\u7528cron\u4f5c\u696d\u4f86\u5b9a\u671f\u57f7\u884cmysqldump\u547d\u4ee4\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\u3002<\/p>\n
0 2 * * * \/usr\/bin\/mysqldump -u username -p database_name > \/path\/to\/backup\/backup.sql<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u5728\u9762\u5c0dMySQL\u6578\u64da\u4e1f\u5931\u7684\u60c5\u6cc1\u4e0b\uff0c\u638c\u63e1\u9019\u4e5d\u7a2e\u6062\u5fa9\u65b9\u6cd5\u5c07\u5927\u5927\u63d0\u9ad8\u60a8\u7684\u61c9\u5c0d\u80fd\u529b\u3002\u7121\u8ad6\u662f\u901a\u904e\u5b9a\u671f\u5099\u4efd\u3001\u4f7f\u7528\u4e8c\u9032\u5236\u65e5\u8a8c\u9084\u662f\u501f\u52a9\u7b2c\u4e09\u65b9\u5de5\u5177\uff0c\u53ca\u6642\u7684\u6578\u64da\u6062\u5fa9\u90fd\u662f\u78ba\u4fdd\u696d\u52d9\u9023\u7e8c\u6027\u7684\u91cd\u8981\u63aa\u65bd\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u6216\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u4fdd\u8b77\u60a8\u7684\u6578\u64da\u5b89\u5168\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22MySQL\u6578\u64da\u6062\u5fa9\u7684\u4e5d\u628a\u745e\u58eb\u8ecd\u5200\uff0c\u638c\u63e1\u9ad8\u6548\u5de5\u5177\u8207\u6280\u5de7\uff0c\u8f15\u9b06\u61c9\u5c0d\u6578\u64da\u4e1f\u5931\u6311\u6230\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-76350","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76350","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=76350"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76350\/revisions"}],"predecessor-version":[{"id":76351,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76350\/revisions\/76351"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}