{"id":76766,"date":"2024-10-16T09:45:18","date_gmt":"2024-10-16T01:45:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76766\/"},"modified":"2024-10-16T09:45:18","modified_gmt":"2024-10-16T01:45:18","slug":"mysql%e6%ad%bb%e9%8e%96%e4%bb%a5%e5%8f%8a%e6%ad%bb%e9%8e%96%e6%97%a5%e8%aa%8c%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76766\/","title":{"rendered":"MySQL\u6b7b\u9396\u4ee5\u53ca\u6b7b\u9396\u65e5\u8a8c\u5206\u6790"},"content":{"rendered":"<h1 id=\"mysql%e6%ad%bb%e9%8e%96%e4%bb%a5%e5%8f%8a%e6%ad%bb%e9%8e%96%e6%97%a5%e8%aa%8c%e5%88%86%e6%9e%90-GeqSUrQOxB\">MySQL\u6b7b\u9396\u4ee5\u53ca\u6b7b\u9396\u65e5\u8a8c\u5206\u6790<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u6b7b\u9396\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u7279\u5225\u662f\u5728\u591a\u500b\u4ea4\u6613\u540c\u6642\u57f7\u884c\u7684\u60c5\u6cc1\u4e0b\u3002MySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u8cc7\u6599\u5eab\uff0c\u4ea6\u4e0d\u4f8b\u5916\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMySQL\u4e2d\u7684\u6b7b\u9396\u73fe\u8c61\u53ca\u5176\u65e5\u8a8c\u5206\u6790\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%ad%bb%e9%8e%96%ef%bc%9f-GeqSUrQOxB\">\u4ec0\u9ebc\u662f\u6b7b\u9396\uff1f<\/h2>\n<p>\u6b7b\u9396\u662f\u6307\u5169\u500b\u6216\u591a\u500b\u4ea4\u6613\u5728\u57f7\u884c\u904e\u7a0b\u4e2d\uff0c\u56e0\u70ba\u76f8\u4e92\u7b49\u5f85\u5c0d\u65b9\u91cb\u653e\u8cc7\u6e90\u800c\u7121\u6cd5\u7e7c\u7e8c\u57f7\u884c\u7684\u60c5\u6cc1\u3002\u9019\u7a2e\u60c5\u6cc1\u6703\u5c0e\u81f4\u4ea4\u6613\u7121\u6cd5\u5b8c\u6210\uff0c\u6700\u7d42\u5f71\u97ff\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n<h3 id=\"%e6%ad%bb%e9%8e%96%e7%9a%84%e4%be%8b%e5%ad%90-GeqSUrQOxB\">\u6b7b\u9396\u7684\u4f8b\u5b50<\/h3>\n<p>\u5047\u8a2d\u6709\u5169\u500b\u4ea4\u6613\uff0c\u4ea4\u6613A\u548c\u4ea4\u6613B\uff1a<\/p>\n<ul>\n<li>\u4ea4\u6613A\u9396\u5b9a\u4e86\u8cc7\u6e901\uff0c\u4e26\u8a66\u5716\u9396\u5b9a\u8cc7\u6e902\u3002<\/li>\n<li>\u4ea4\u6613B\u9396\u5b9a\u4e86\u8cc7\u6e902\uff0c\u4e26\u8a66\u5716\u9396\u5b9a\u8cc7\u6e901\u3002<\/li>\n<\/ul>\n<p>\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u4ea4\u6613A\u548c\u4ea4\u6613B\u90fd\u5728\u7b49\u5f85\u5c0d\u65b9\u91cb\u653e\u8cc7\u6e90\uff0c\u5c0e\u81f4\u6b7b\u9396\u7684\u767c\u751f\u3002<\/p>\n<h2 id=\"mysql%e4%b8%ad%e7%9a%84%e6%ad%bb%e9%8e%96%e6%aa%a2%e6%b8%ac-GeqSUrQOxB\">MySQL\u4e2d\u7684\u6b7b\u9396\u6aa2\u6e2c<\/h2>\n<p>MySQL\u4f7f\u7528\u4e00\u7a2e\u81ea\u52d5\u6b7b\u9396\u6aa2\u6e2c\u6a5f\u5236\u4f86\u8b58\u5225\u6b7b\u9396\u3002\u7576\u6aa2\u6e2c\u5230\u6b7b\u9396\u6642\uff0cMySQL\u6703\u81ea\u52d5\u9078\u64c7\u4e00\u500b\u4ea4\u6613\u9032\u884c\u56de\u6efe\uff0c\u4ee5\u91cb\u653e\u8cc7\u6e90\u4e26\u5141\u8a31\u5176\u4ed6\u4ea4\u6613\u7e7c\u7e8c\u57f7\u884c\u3002\u9019\u6a23\u7684\u8a2d\u8a08\u96d6\u7136\u80fd\u5920\u6e1b\u5c11\u6b7b\u9396\u5c0d\u7cfb\u7d71\u7684\u5f71\u97ff\uff0c\u4f46\u958b\u767c\u8005\u4ecd\u9700\u4e86\u89e3\u5982\u4f55\u5206\u6790\u548c\u89e3\u6c7a\u6b7b\u9396\u554f\u984c\u3002<\/p>\n<h3 id=\"%e6%ad%bb%e9%8e%96%e6%97%a5%e8%aa%8c%e5%88%86%e6%9e%90-GeqSUrQOxB\">\u6b7b\u9396\u65e5\u8a8c\u5206\u6790<\/h3>\n<p>MySQL\u63d0\u4f9b\u4e86\u6b7b\u9396\u65e5\u8a8c\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u5206\u6790\u6b7b\u9396\u7684\u539f\u56e0\u3002\u8981\u555f\u7528\u6b7b\u9396\u65e5\u8a8c\uff0c\u53ef\u4ee5\u5728MySQL\u914d\u7f6e\u6587\u4ef6\u4e2d\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>[mysqld]\ninnodb_print_all_deadlocks=1\n<\/code><\/pre>\n<p>\u555f\u7528\u5f8c\uff0c\u7576\u6b7b\u9396\u767c\u751f\u6642\uff0cMySQL\u6703\u5728\u932f\u8aa4\u65e5\u8a8c\u4e2d\u8a18\u9304\u8a73\u7d30\u7684\u6b7b\u9396\u4fe1\u606f\uff0c\u5305\u62ec\u6d89\u53ca\u7684\u4ea4\u6613\u3001\u9396\u5b9a\u7684\u8cc7\u6e90\u4ee5\u53ca\u7b49\u5f85\u7684\u60c5\u6cc1\u3002<\/p>\n<h4 id=\"%e6%97%a5%e8%aa%8c%e7%af%84%e4%be%8b-GeqSUrQOxB\">\u65e5\u8a8c\u7bc4\u4f8b<\/h4>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u6b7b\u9396\u65e5\u8a8c\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>2023-10-01 12:00:00 0x7f8c4c0a3700\n*** (1) TRANSACTION:\nTRANSACTION 123456789, ACTIVE 10 sec\nmysql tables in use 1, locked 1\nLOCK WAIT 2 lock struct(s), heap size 1136, 1 row lock(s), undo log entries 1\nMySQL thread id 1, OS thread handle 140245678901056, query id 12345 localhost user1\nSELECT * FROM table1 WHERE id = 1 FOR UPDATE\n\n*** (2) TRANSACTION:\nTRANSACTION 987654321, ACTIVE 10 sec\nmysql tables in use 1, locked 1\nLOCK WAIT 2 lock struct(s), heap size 1136, 1 row lock(s), undo log entries 1\nMySQL thread id 2, OS thread handle 140245678901057, query id 12346 localhost user2\nSELECT * FROM table2 WHERE id = 2 FOR UPDATE\n\n*** WE ROLL BACK TRANSACTION (1)\n<\/code><\/pre>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8d%e6%ad%bb%e9%8e%96-GeqSUrQOxB\">\u5982\u4f55\u907f\u514d\u6b7b\u9396<\/h2>\n<p>\u70ba\u4e86\u6e1b\u5c11\u6b7b\u9396\u7684\u767c\u751f\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u7d71\u4e00\u9396\u5b9a\u9806\u5e8f\uff1a<\/strong>\u78ba\u4fdd\u6240\u6709\u4ea4\u6613\u4ee5\u76f8\u540c\u7684\u9806\u5e8f\u8acb\u6c42\u9396\u5b9a\u8cc7\u6e90\u3002<\/li>\n<li><strong>\u6e1b\u5c11\u9396\u5b9a\u6642\u9593\uff1a<\/strong>\u76e1\u91cf\u7e2e\u77ed\u4ea4\u6613\u7684\u57f7\u884c\u6642\u9593\uff0c\u6e1b\u5c11\u6301\u6709\u9396\u7684\u6642\u9593\u3002<\/li>\n<li><strong>\u4f7f\u7528\u8f03\u4f4e\u7684\u9694\u96e2\u7d1a\u5225\uff1a<\/strong>\u6839\u64da\u696d\u52d9\u9700\u6c42\uff0c\u8003\u616e\u4f7f\u7528\u8f03\u4f4e\u7684\u9694\u96e2\u7d1a\u5225\u4f86\u6e1b\u5c11\u9396\u7684\u7af6\u722d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-GeqSUrQOxB\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u4e2d\u7684\u6b7b\u9396\u554f\u984c\u662f\u8cc7\u6599\u5eab\u7ba1\u7406\u4e2d\u4e0d\u53ef\u907f\u514d\u7684\u4e00\u90e8\u5206\u3002\u901a\u904e\u7406\u89e3\u6b7b\u9396\u7684\u6982\u5ff5\u3001\u6aa2\u6e2c\u6a5f\u5236\u53ca\u65e5\u8a8c\u5206\u6790\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u8b58\u5225\u548c\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u63a1\u53d6\u9069\u7576\u7684\u9810\u9632\u63aa\u65bd\uff0c\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u53ca<em><a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a><\/em>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3MySQL\u6b7b\u9396\u53ca\u5176\u65e5\u8a8c\u5206\u6790\uff0c\u638c\u63e1\u5982\u4f55\u8b58\u5225\u548c\u89e3\u6c7a\u6b7b\u9396\u554f\u984c\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u8207\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-76766","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76766","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=76766"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76766\/revisions"}],"predecessor-version":[{"id":76767,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76766\/revisions\/76767"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76766"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76766"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76766"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}