{"id":76576,"date":"2024-10-16T07:58:17","date_gmt":"2024-10-15T23:58:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76576\/"},"modified":"2024-10-16T07:58:17","modified_gmt":"2024-10-15T23:58:17","slug":"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%97%a5%e8%aa%8c%e6%b8%85%e7%90%86%e8%aa%9e%e5%8f%a5%e5%8c%af%e7%b8%bd%ef%bc%88mssql%e6%97%a5%e8%aa%8c%e6%b8%85%e7%90%86%e8%aa%9e%e5%8f%a5%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76576\/","title":{"rendered":"MySQL\u6578\u64da\u5eab\u65e5\u8a8c\u6e05\u7406\u8a9e\u53e5\u532f\u7e3d\uff08MSSQL\u65e5\u8a8c\u6e05\u7406\u8a9e\u53e5\uff09"},"content":{"rendered":"

MySQL\u6578\u64da\u5eab\u65e5\u8a8c\u6e05\u7406\u8a9e\u53e5\u532f\u7e3d\uff08MSSQL\u65e5\u8a8c\u6e05\u7406\u8a9e\u53e5\uff09<\/h1>\n

\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u65e5\u8a8c\u6587\u4ef6\u7684\u7ba1\u7406\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u7121\u8ad6\u662fMySQL\u9084\u662fMSSQL\uff0c\u65e5\u8a8c\u6587\u4ef6\u7684\u589e\u9577\u90fd\u53ef\u80fd\u5f71\u97ff\u7cfb\u7d71\u6027\u80fd\uff0c\u751a\u81f3\u5c0e\u81f4\u5b58\u5132\u7a7a\u9593\u4e0d\u8db3\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u6e05\u7406\u65e5\u8a8c\u6587\u4ef6\u662f\u7dad\u6301\u6578\u64da\u5eab\u5065\u5eb7\u904b\u884c\u7684\u5fc5\u8981\u6b65\u9a5f\u3002\u672c\u6587\u5c07\u91dd\u5c0dMySQL\u548cMSSQL\u7684\u65e5\u8a8c\u6e05\u7406\u8a9e\u53e5\u9032\u884c\u532f\u7e3d\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u5176\u6578\u64da\u5eab\u3002<\/p>\n

MySQL\u65e5\u8a8c\u6e05\u7406<\/h2>\n

MySQL\u7684\u65e5\u8a8c\u4e3b\u8981\u5305\u62ec\u4e8c\u9032\u5236\u65e5\u8a8c\uff08Binary Log\uff09\u3001\u932f\u8aa4\u65e5\u8a8c\uff08Error Log\uff09\u3001\u67e5\u8a62\u65e5\u8a8c\uff08Query Log\uff09\u548c\u6162\u67e5\u8a62\u65e5\u8a8c\uff08Slow Query Log\uff09\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u6e05\u7406\u8a9e\u53e5\uff1a<\/p>\n

1. \u6e05\u7406\u4e8c\u9032\u5236\u65e5\u8a8c<\/h3>\n

\u4e8c\u9032\u5236\u65e5\u8a8c\u8a18\u9304\u4e86\u6240\u6709\u66f4\u6539\u6578\u64da\u7684\u64cd\u4f5c\uff0c\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u9019\u4e9b\u65e5\u8a8c\u6703\u4f54\u7528\u5927\u91cf\u7a7a\u9593\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\u4f86\u6e05\u7406\u904e\u671f\u7684\u4e8c\u9032\u5236\u65e5\u8a8c\uff1a<\/p>\n

PURGE BINARY LOGS TO 'mysql-bin.000123';<\/code><\/pre>\n
\u9019\u689d\u8a9e\u53e5\u6703\u522a\u9664\u6240\u6709\u5728\u6307\u5b9a\u65e5\u8a8c\u4e4b\u524d\u7684\u4e8c\u9032\u5236\u65e5\u8a8c\u3002\u5982\u679c\u5e0c\u671b\u6839\u64da\u65e5\u671f\u6e05\u7406\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n
PURGE BINARY LOGS BEFORE '2023-10-01 00:00:00';<\/code><\/pre>\n
2. \u6e05\u7406\u67e5\u8a62\u65e5\u8a8c<\/h3>\n
\u67e5\u8a62\u65e5\u8a8c\u8a18\u9304\u4e86\u6240\u6709\u57f7\u884c\u7684\u67e5\u8a62\uff0c\u5c0d\u65bc\u6027\u80fd\u8abf\u512a\u975e\u5e38\u6709\u7528\uff0c\u4f46\u4e5f\u6703\u96a8\u8457\u6642\u9593\u589e\u9577\u800c\u4f54\u7528\u7a7a\u9593\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\u4f86\u7981\u7528\u67e5\u8a62\u65e5\u8a8c\uff1a<\/p>\n
SET GLOBAL general_log = 'OFF';<\/code><\/pre>\n
\u5982\u679c\u9700\u8981\u6e05\u7406\u67e5\u8a62\u65e5\u8a8c\uff0c\u53ef\u4ee5\u76f4\u63a5\u522a\u9664\u65e5\u8a8c\u6587\u4ef6\uff0c\u5177\u9ad4\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n
TRUNCATE TABLE mysql.general_log;<\/code><\/pre>\n
3. \u6e05\u7406\u6162\u67e5\u8a62\u65e5\u8a8c<\/h3>\n
\u6162\u67e5\u8a62\u65e5\u8a8c\u8a18\u9304\u4e86\u57f7\u884c\u6642\u9593\u8d85\u904e\u6307\u5b9a\u6642\u9593\u7684\u67e5\u8a62\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\u4f86\u7981\u7528\u6162\u67e5\u8a62\u65e5\u8a8c\uff1a<\/p>\n
SET GLOBAL slow_query_log = 'OFF';<\/code><\/pre>\n
\u6e05\u7406\u6162\u67e5\u8a62\u65e5\u8a8c\u7684\u65b9\u6cd5\u8207\u67e5\u8a62\u65e5\u8a8c\u76f8\u540c\uff1a<\/p>\n
TRUNCATE TABLE mysql.slow_log;<\/code><\/pre>\n
MSSQL\u65e5\u8a8c\u6e05\u7406<\/h2>\n
MSSQL\u7684\u65e5\u8a8c\u4e3b\u8981\u5305\u62ec\u4e8b\u52d9\u65e5\u8a8c\uff08Transaction Log\uff09\u548c\u932f\u8aa4\u65e5\u8a8c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u6e05\u7406\u8a9e\u53e5\uff1a<\/p>\n
1. \u6e05\u7406\u4e8b\u52d9\u65e5\u8a8c<\/h3>\n
\u4e8b\u52d9\u65e5\u8a8c\u8a18\u9304\u4e86\u6240\u6709\u4e8b\u52d9\u7684\u8b8a\u66f4\uff0c\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u9019\u4e9b\u65e5\u8a8c\u6703\u4f54\u7528\u5927\u91cf\u7a7a\u9593\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\u4f86\u6e05\u7406\u4e8b\u52d9\u65e5\u8a8c\uff1a<\/p>\n
BACKUP LOG [YourDatabaseName] TO DISK = 'C:BackupYourDatabaseName_LogBackup.trn';<\/code><\/pre>\n
\u9019\u689d\u8a9e\u53e5\u6703\u5c07\u4e8b\u52d9\u65e5\u8a8c\u5099\u4efd\u5230\u6307\u5b9a\u4f4d\u7f6e\uff0c\u7136\u5f8c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\u4f86\u622a\u65b7\u65e5\u8a8c\uff1a<\/p>\n
DBCC SHRINKFILE (YourDatabaseName_Log, 1);<\/code><\/pre>\n
2. \u6e05\u7406\u932f\u8aa4\u65e5\u8a8c<\/h3>\n
MSSQL\u7684\u932f\u8aa4\u65e5\u8a8c\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u8a9e\u53e5\u9032\u884c\u6e05\u7406\uff1a<\/p>\n
EXEC sp_cycle_errorlog;<\/code><\/pre>\n
\u9019\u689d\u8a9e\u53e5\u6703\u5275\u5efa\u4e00\u500b\u65b0\u7684\u932f\u8aa4\u65e5\u8a8c\u6587\u4ef6\uff0c\u4e26\u5c07\u7576\u524d\u7684\u932f\u8aa4\u65e5\u8a8c\u6587\u4ef6\u91cd\u547d\u540d\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5b9a\u671f\u6e05\u7406\u6578\u64da\u5eab\u65e5\u8a8c\u662f\u7dad\u6301\u6578\u64da\u5eab\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u95dc\u9375\u3002\u7121\u8ad6\u662fMySQL\u9084\u662fMSSQL\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u6e05\u7406\u65e5\u8a8c\u6587\u4ef6\u90fd\u80fd\u5e6b\u52a9\u7528\u6236\u907f\u514d\u6f5b\u5728\u7684\u6027\u80fd\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684VPS<\/a>\u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\u3002\u900f\u904e\u6b63\u78ba\u7684\u65e5\u8a8c\u7ba1\u7406\u548c\u512a\u8cea\u7684\u4f3a\u670d\u5668\u8cc7\u6e90\uff0c\u60a8\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u9ad8\u6548\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22MySQL\u548cMSSQL\u6578\u64da\u5eab\u65e5\u8a8c\u6e05\u7406\u8a9e\u53e5\u7684\u532f\u7e3d\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\uff0c\u512a\u5316\u5b58\u5132\u7ba1\u7406\uff0c\u78ba\u4fdd\u7cfb\u7d71\u9ad8\u6548\u904b\u884c\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-76576","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76576","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=76576"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76576\/revisions"}],"predecessor-version":[{"id":76577,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76576\/revisions\/76577"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76576"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76576"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}