{"id":76758,"date":"2024-10-16T09:39:37","date_gmt":"2024-10-16T01:39:37","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76758\/"},"modified":"2024-10-16T09:39:37","modified_gmt":"2024-10-16T01:39:37","slug":"mysql%e6%95%b8%e6%93%9a%e6%96%87%e4%bb%b6%e7%9a%84%e4%b8%89%e7%a8%ae%e4%bf%ae%e5%be%a9%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76758\/","title":{"rendered":"MySQL\u6578\u64da\u6587\u4ef6\u7684\u4e09\u7a2e\u4fee\u5fa9\u65b9\u6cd5"},"content":{"rendered":"

MySQL\u6578\u64da\u6587\u4ef6\u7684\u4e09\u7a2e\u4fee\u5fa9\u65b9\u6cd5<\/h1>\n

\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cMySQL\u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7cfb\u7d71\u3002\u7136\u800c\uff0c\u6578\u64da\u6587\u4ef6\u7684\u640d\u58de\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\u6216\u7121\u6cd5\u8a2a\u554f\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e09\u7a2e\u6709\u6548\u7684MySQL\u6578\u64da\u6587\u4ef6\u4fee\u5fa9\u65b9\u6cd5\uff0c\u5e6b\u52a9\u7528\u6236\u5728\u9047\u5230\u6578\u64da\u640d\u58de\u6642\u80fd\u5920\u8fc5\u901f\u6062\u5fa9\u6578\u64da\u3002<\/p>\n

1. \u4f7f\u7528MySQL\u81ea\u5e36\u7684\u4fee\u5fa9\u5de5\u5177<\/h2>\n

MySQL\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5167\u5efa\u7684\u5de5\u5177\u4f86\u4fee\u5fa9\u640d\u58de\u7684\u6578\u64da\u6587\u4ef6\u3002\u6700\u5e38\u7528\u7684\u5de5\u5177\u662fmyisamchk<\/strong>\uff0c\u5b83\u5c08\u9580\u7528\u65bc\u4fee\u5fa9MyISAM\u8868\u3002\u4f7f\u7528\u6b64\u5de5\u5177\u7684\u57fa\u672c\u6b65\u9a5f\u5982\u4e0b\uff1a<\/p>\n

1. \u505c\u6b62MySQL\u670d\u52d9\uff1a\n   sudo systemctl stop mysql\n\n2. \u9032\u5165\u6578\u64da\u76ee\u9304\uff1a\n   cd \/var\/lib\/mysql\/your_database_name\n\n3. \u57f7\u884cmyisamchk\u547d\u4ee4\uff1a\n   myisamchk -r your_table_name.MYI\n<\/code><\/pre>\n
\u9019\u500b\u547d\u4ee4\u6703\u4fee\u5fa9\u6307\u5b9a\u7684\u8868\u3002\u5982\u679c\u9700\u8981\u4fee\u5fa9\u6574\u500b\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u4f7f\u7528\u901a\u914d\u7b26\uff1a<\/p>\n
myisamchk -r *.MYI\n<\/code><\/pre>\n
\u5b8c\u6210\u5f8c\uff0c\u91cd\u65b0\u555f\u52d5MySQL\u670d\u52d9\uff1a<\/p>\n
sudo systemctl start mysql\n<\/code><\/pre>\n
2. \u4f7f\u7528InnoDB\u7684\u6062\u5fa9\u6a21\u5f0f<\/h2>\n
\u5c0d\u65bc\u4f7f\u7528InnoDB\u5b58\u5132\u5f15\u64ce\u7684\u6578\u64da\u5eab\uff0c\u4fee\u5fa9\u904e\u7a0b\u7a0d\u6709\u4e0d\u540c\u3002InnoDB\u63d0\u4f9b\u4e86\u4e00\u500b\u6062\u5fa9\u6a21\u5f0f\uff0c\u53ef\u4ee5\u5728\u555f\u52d5\u6642\u9032\u884c\u6578\u64da\u6062\u5fa9\u3002\u4ee5\u4e0b\u662f\u5177\u9ad4\u6b65\u9a5f\uff1a<\/p>\n
1. \u7de8\u8f2fMySQL\u914d\u7f6e\u6587\u4ef6\uff08my.cnf\uff09\uff1a\n   [mysqld]\n   innodb_force_recovery = 1\n<\/code><\/pre>\n
\u9019\u88e1\u7684\u6578\u5b57\u53ef\u4ee5\u5f9e1\u52306\uff0c\u6578\u5b57\u8d8a\u5927\uff0c\u6062\u5fa9\u7684\u5f37\u5ea6\u8d8a\u9ad8\uff0c\u4f46\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\u3002\u5efa\u8b70\u5f9e1\u958b\u59cb\uff0c\u9010\u6b65\u589e\u52a0\u3002<\/p>\n
2. \u91cd\u555fMySQL\u670d\u52d9\uff1a\n   sudo systemctl restart mysql\n<\/code><\/pre>\n
3. \u5728\u6062\u5fa9\u6a21\u5f0f\u4e0b\uff0c\u5c0e\u51fa\u6578\u64da\uff1a<\/p>\n
mysqldump -u username -p your_database_name > backup.sql\n<\/code><\/pre>\n
4. \u5b8c\u6210\u5f8c\uff0c\u5c07innodb_force_recovery\u8a2d\u7f6e\u56de0\uff0c\u7136\u5f8c\u91cd\u555f\u670d\u52d9\u3002<\/p>\n
3. \u4f7f\u7528\u5099\u4efd\u6062\u5fa9\u6578\u64da<\/h2>\n
\u5982\u679c\u4ee5\u4e0a\u65b9\u6cd5\u7121\u6cd5\u4fee\u5fa9\u6578\u64da\uff0c\u5247\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5099\u4efd\u4f86\u6062\u5fa9\u6578\u64da\u3002\u5b9a\u671f\u5099\u4efd\u662f\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u7684\u6700\u4f73\u5be6\u8e10\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u5099\u4efd\u6062\u5fa9\u7684\u6b65\u9a5f\uff1a<\/p>\n
1. \u505c\u6b62MySQL\u670d\u52d9\uff1a\n   sudo systemctl stop mysql\n\n2. \u5c07\u640d\u58de\u7684\u6578\u64da\u6587\u4ef6\u79fb\u81f3\u5176\u4ed6\u4f4d\u7f6e\uff1a\n   mv \/var\/lib\/mysql\/your_database_name \/var\/lib\/mysql\/your_database_name_old\n\n3. \u5c07\u5099\u4efd\u6587\u4ef6\u8907\u88fd\u5230\u6578\u64da\u76ee\u9304\uff1a\n   cp -r \/path\/to\/backup\/your_database_name \/var\/lib\/mysql\/\n\n4. \u78ba\u4fdd\u6587\u4ef6\u6b0a\u9650\u6b63\u78ba\uff1a\n   chown -R mysql:mysql \/var\/lib\/mysql\/your_database_name\n\n5. \u91cd\u555fMySQL\u670d\u52d9\uff1a\n   sudo systemctl start mysql\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u5728MySQL\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6578\u64da\u6587\u4ef6\u7684\u640d\u58de\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u4f46\u901a\u904e\u4e0a\u8ff0\u4e09\u7a2e\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u640d\u58de\u7684\u6578\u64da\u6587\u4ef6\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u5167\u5efa\u7684\u4fee\u5fa9\u5de5\u5177\u3001InnoDB\u7684\u6062\u5fa9\u6a21\u5f0f\uff0c\u9084\u662f\u901a\u904e\u5099\u4efd\u6062\u5fa9\u6578\u64da\uff0c\u9019\u4e9b\u65b9\u6cd5\u90fd\u80fd\u5e6b\u52a9\u60a8\u6e1b\u5c11\u6578\u64da\u4e1f\u5931\u7684\u98a8\u96aa\u3002\u70ba\u4e86\u78ba\u4fdd\u6578\u64da\u7684\u5b89\u5168\u6027\uff0c\u5efa\u8b70\u5b9a\u671f\u9032\u884c\u5099\u4efd\uff0c\u4e26\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u4f86\u6258\u7ba1\u60a8\u7684\u6578\u64da\u5eab\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u7684\u53ef\u7528\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22MySQL\u6578\u64da\u6587\u4ef6\u7684\u4e09\u7a2e\u4fee\u5fa9\u65b9\u6cd5\uff0c\u5e6b\u52a9\u60a8\u6709\u6548\u6062\u5fa9\u6578\u64da\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u6027\u8207\u5b89\u5168\u6027\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-76758","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76758","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=76758"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76758\/revisions"}],"predecessor-version":[{"id":76759,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76758\/revisions\/76759"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76758"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76758"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76758"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}