{"id":173561,"date":"2024-11-07T19:03:21","date_gmt":"2024-11-07T11:03:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/173561\/"},"modified":"2024-11-07T19:03:22","modified_gmt":"2024-11-07T11:03:22","slug":"%e5%a6%82%e4%bd%95%e6%aa%a2%e6%9f%a5%e5%92%8c%e4%bf%ae%e5%be%a9-mysql-%e6%95%b8%e6%93%9a%e5%ba%ab%e5%92%8c%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/173561\/","title":{"rendered":"\u5982\u4f55\u6aa2\u67e5\u548c\u4fee\u5fa9 MySQL \u6578\u64da\u5eab\u548c\u8868"},"content":{"rendered":"

\u5982\u4f55\u6aa2\u67e5\u548c\u4fee\u5fa9 MySQL \u6578\u64da\u5eab\u548c\u8868<\/h1>\n

MySQL \u662f\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u8a31\u591a\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u90fd\u4f9d\u8cf4\u5b83\u4f86\u5b58\u5132\u548c\u7ba1\u7406\u6578\u64da\u3002\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u6578\u64da\u5eab\u53ef\u80fd\u6703\u51fa\u73fe\u554f\u984c\uff0c\u4f8b\u5982\u6578\u64da\u640d\u58de\u6216\u8868\u7684\u932f\u8aa4\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u4ecb\u7d39\u5982\u4f55\u6aa2\u67e5\u548c\u4fee\u5fa9 MySQL \u6578\u64da\u5eab\u548c\u8868\uff0c\u5e6b\u52a9\u7528\u6236\u4fdd\u6301\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u53ef\u7528\u6027\u3002<\/p>\n

\u6aa2\u67e5 MySQL \u6578\u64da\u5eab\u548c\u8868\u7684\u72c0\u614b<\/h2>\n

\u5728\u9032\u884c\u4efb\u4f55\u4fee\u5fa9\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u6aa2\u67e5\u6578\u64da\u5eab\u548c\u8868\u7684\u72c0\u614b\u3002MySQL \u63d0\u4f9b\u4e86\u5e7e\u500b\u5de5\u5177\u4f86\u5e6b\u52a9\u7528\u6236\u9032\u884c\u9019\u9805\u5de5\u4f5c\u3002<\/p>\n

\u4f7f\u7528 CHECK TABLE \u547d\u4ee4<\/h3>\n

CHECK TABLE \u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u6aa2\u67e5\u7279\u5b9a\u8868\u7684\u72c0\u614b\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n

CHECK TABLE table_name;<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u5982\u679c\u8981\u6aa2\u67e5\u540d\u70ba users<\/code> \u7684\u8868\uff0c\u53ef\u4ee5\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
CHECK TABLE users;<\/code><\/pre>\n
\u57f7\u884c\u5f8c\uff0cMySQL \u5c07\u8fd4\u56de\u8a72\u8868\u7684\u72c0\u614b\u4fe1\u606f\uff0c\u5305\u62ec\u662f\u5426\u5b58\u5728\u932f\u8aa4\u3002<\/p>\n
\u4f7f\u7528 MySQL \u7684\u4fe1\u606f\u67b6\u69cb<\/h3>\n
MySQL \u7684\u4fe1\u606f\u67b6\u69cb\uff08information_schema\uff09\u63d0\u4f9b\u4e86\u6709\u95dc\u6578\u64da\u5eab\u548c\u8868\u7684\u8a73\u7d30\u4fe1\u606f\u3002\u7528\u6236\u53ef\u4ee5\u67e5\u8a62 TABLES<\/code> \u8868\u4f86\u7372\u53d6\u6240\u6709\u8868\u7684\u72c0\u614b\uff1a<\/p>\n
SELECT TABLE_NAME, TABLE_ROWS, ENGINE, TABLE_COLLATION, CREATE_TIME \nFROM information_schema.TABLES \nWHERE TABLE_SCHEMA = 'your_database_name';<\/code><\/pre>\n
\u9019\u6a23\u53ef\u4ee5\u7372\u5f97\u6709\u95dc\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u7684\u57fa\u672c\u4fe1\u606f\uff0c\u5e6b\u52a9\u7528\u6236\u4e86\u89e3\u5176\u72c0\u614b\u3002<\/p>\n
\u4fee\u5fa9 MySQL \u6578\u64da\u5eab\u548c\u8868<\/h2>\n
\u5982\u679c\u6aa2\u67e5\u7d50\u679c\u986f\u793a\u5b58\u5728\u932f\u8aa4\uff0c\u5247\u9700\u8981\u9032\u884c\u4fee\u5fa9\u3002MySQL \u63d0\u4f9b\u4e86\u5e7e\u7a2e\u65b9\u6cd5\u4f86\u4fee\u5fa9\u6578\u64da\u5eab\u548c\u8868\u3002<\/p>\n
\u4f7f\u7528 REPAIR TABLE \u547d\u4ee4<\/h3>\n
REPAIR TABLE \u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u4fee\u5fa9\u640d\u58de\u7684\u8868\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
REPAIR TABLE table_name;<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u82e5\u8981\u4fee\u5fa9 users<\/code> \u8868\uff0c\u53ef\u4ee5\u57f7\u884c\uff1a<\/p>\n
REPAIR TABLE users;<\/code><\/pre>\n
\u9019\u500b\u547d\u4ee4\u6703\u5617\u8a66\u4fee\u5fa9\u8868\u4e2d\u7684\u932f\u8aa4\uff0c\u4e26\u8fd4\u56de\u4fee\u5fa9\u7684\u7d50\u679c\u3002<\/p>\n
\u4f7f\u7528 MySQL \u7684 InnoDB \u5f15\u64ce<\/h3>\n
\u5982\u679c\u4f7f\u7528\u7684\u662f InnoDB \u5f15\u64ce\uff0c\u5247\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u4fee\u5fa9\uff1a<\/p>\n
    \n
  1. \u9996\u5148\uff0c\u505c\u6b62 MySQL \u670d\u52d9\u3002<\/li>\n
  2. \u7136\u5f8c\uff0c\u7de8\u8f2f MySQL \u914d\u7f6e\u6587\u4ef6\uff08\u901a\u5e38\u662f my.cnf<\/code> \u6216 my.ini<\/code>\uff09\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/li>\n
    [mysqld]\ninnodb_force_recovery = 1<\/code><\/pre>\n
  3. \u555f\u52d5 MySQL \u670d\u52d9\uff0c\u7136\u5f8c\u5c0e\u51fa\u6578\u64da\u3002<\/li>\n
  4. \u6700\u5f8c\uff0c\u79fb\u9664 innodb_force_recovery<\/code> \u884c\uff0c\u4e26\u91cd\u65b0\u555f\u52d5 MySQL \u670d\u52d9\u3002<\/li>\n<\/ol>\n
    \u9019\u6a23\u53ef\u4ee5\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u6062\u5fa9\u6578\u64da\uff0c\u4f46\u8acb\u6ce8\u610f\uff0c\u9019\u662f\u4e00\u500b\u81e8\u6642\u89e3\u6c7a\u65b9\u6848\uff0c\u61c9\u8a72\u5728\u6578\u64da\u5099\u4efd\u5f8c\u9032\u884c\u3002<\/p>\n
    \u5b9a\u671f\u5099\u4efd\u548c\u7dad\u8b77<\/h2>\n
    \u70ba\u4e86\u907f\u514d\u6578\u64da\u640d\u58de\u7684\u60c5\u6cc1\uff0c\u5efa\u8b70\u7528\u6236\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\u3002\u53ef\u4ee5\u4f7f\u7528 mysqldump<\/code> \u5de5\u5177\u9032\u884c\u5099\u4efd\uff1a<\/p>\n
    mysqldump -u username -p database_name > backup.sql<\/code><\/pre>\n
    \u6b64\u5916\uff0c\u5b9a\u671f\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u72c0\u614b\u548c\u9032\u884c\u7dad\u8b77\u4e5f\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u53ca\u65e9\u767c\u73fe\u554f\u984c\u4e26\u9032\u884c\u4fee\u5fa9\u3002<\/p>\n
    \u7e3d\u7d50<\/h2>\n
    \u6aa2\u67e5\u548c\u4fee\u5fa9 MySQL \u6578\u64da\u5eab\u548c\u8868\u662f\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u4f7f\u7528 CHECK TABLE<\/code> \u548c REPAIR TABLE<\/code> \u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u6aa2\u67e5\u548c\u4fee\u5fa9\u6578\u64da\u5eab\u4e2d\u7684\u554f\u984c\u3002\u5b9a\u671f\u5099\u4efd\u548c\u7dad\u8b77\u4e5f\u662f\u9632\u6b62\u6578\u64da\u640d\u58de\u7684\u95dc\u9375\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> \u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u6578\u64da\u5eab\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5b78\u7fd2\u5982\u4f55\u6aa2\u67e5\u548c\u4fee\u5fa9 MySQL \u6578\u64da\u5eab\u548c\u8868\uff0c\u78ba\u4fdd\u6578\u64da\u5b8c\u6574\u6027\u548c\u6027\u80fd\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\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-173561","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173561","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=173561"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173561\/revisions"}],"predecessor-version":[{"id":173562,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/173561\/revisions\/173562"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=173561"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=173561"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=173561"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}