{"id":6364,"date":"2024-11-14T10:53:29","date_gmt":"2024-11-14T02:53:29","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6364\/"},"modified":"2024-11-14T10:53:29","modified_gmt":"2024-11-14T02:53:29","slug":"mysql%e6%81%a2%e5%a4%8d%e9%80%bb%e8%be%91%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6364\/","title":{"rendered":"mysql\u6062\u590d\u903b\u8f91\u7684\u65b9\u6cd5"},"content":{"rendered":"<blockquote><p>\n  mysql\u63d0\u4f9b\u4e86\u591a\u79cd\u903b\u8f91\u6062\u590d\u65b9\u6cd5\uff1a\u4ece\u5907\u4efd\u6062\u590d\uff1a\u901a\u8fc7mysqldump\u548cmysql\u547d\u4ee4\u5bfc\u51fa\u548c\u5bfc\u5165\u5907\u4efd\u6587\u4ef6\u3002\u4f7f\u7528\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff1a\u5206\u6790\u4e8c\u8fdb\u5236\u65e5\u5fd7\u5e76\u751f\u6210sql\u8bed\u53e5\u6062\u590d\u4e22\u5931\u7684\u6570\u636e\u3002\u4f7f\u7528redo\u65e5\u5fd7\uff1amysql\u81ea\u52a8\u4f7f\u7528redo\u65e5\u5fd7\u8fdb\u884c\u5d29\u6e83\u6062\u590d\uff0c\u4e5f\u53ef\u5f3a\u5236\u624b\u52a8\u6062\u590d\u3002\u4f7f\u7528\u6570\u636e\u5b57\u5178\u8868\uff1a\u590d\u5236mysql.frm\u548cmysql.ibd\u6587\u4ef6\uff0c\u91cd\u65b0\u521b\u5efa\u4e22\u5931\u7684\u8868\u5e76\u4f7f\u7528\u6570\u636e\u5b57\u5178\u8868\u6062\u590d\u6570\u636e\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202408\/01\/2024080103014420986.jpg\" class=\"aligncenter\" title=\"mysql\u6062\u590d\u903b\u8f91\u7684\u65b9\u6cd5\u63d2\u56fe\" alt=\"mysql\u6062\u590d\u903b\u8f91\u7684\u65b9\u6cd5\u63d2\u56fe\" \/><\/p>\n<p><strong>MySQL \u6062\u590d\u903b\u8f91\u7684\u65b9\u6cd5<\/strong><\/p>\n<p>\u5f53 MySQL \u6570\u636e\u5e93\u56e0\u6545\u969c\u6216\u4eba\u4e3a\u9519\u8bef\u5bfc\u81f4\u65f6\uff0c\u9700\u8981\u8fdb\u884c\u6570\u636e\u6062\u590d\u3002MySQL \u63d0\u4f9b\u4e86\u591a\u79cd\u903b\u8f91\u6062\u590d\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u6062\u590d\u9700\u6c42\u3002<\/p>\n<p><strong>1. \u4ece\u5907\u4efd\u6062\u590d<\/strong><\/p>\n<p>\u5907\u4efd\u662f\u6570\u636e\u6062\u590d\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u3002MySQL \u652f\u6301\u6570\u636e\u5e93\u3001\u8868\u548c\u7279\u5b9a\u884c\u7684\u5907\u4efd\u3002\u53ea\u8981\u6709\u5b8c\u6574\u7684\u5907\u4efd\uff0c\u5c31\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u8fdb\u884c\u6062\u590d\uff1a<\/p>\n<p><span>\u70b9\u51fb\u4e0b\u8f7d<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>\u4f7f\u7528 dump \u5de5\u5177\u5bfc\u51fa\u5907\u4efd\u6587\u4ef6\u3002<\/li>\n<li>\u4f7f\u7528 mysql \u547d\u4ee4\u5bfc\u5165\u5907\u4efd\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<p><strong>2. \u4f7f\u7528\u4e8c\u8fdb\u5236\u65e5\u5fd7<\/strong><\/p>\n<p>\u4e8c\u8fdb\u5236\u65e5\u5fd7\u8bb0\u5f55\u4e86\u6240\u6709\u5bf9\u6570\u636e\u5e93\u6240\u505a\u7684\u4fee\u6539\u64cd\u4f5c\u3002\u5982\u679c\u6570\u636e\u5e93\u56e0\u5d29\u6e83\u6216\u9519\u8bef\u5bfc\u81f4\u6570\u636e\u4e22\u5931\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e8c\u8fdb\u5236\u65e5\u5fd7\u8fdb\u884c\u6062\u590d\u3002<\/p>\n<ul>\n<li>\u542f\u7528\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff1aSET GLOBAL binlog_format = ROW;\u3002<\/li>\n<li>\u627e\u5230\u4e8b\u6545\u53d1\u751f\u524d\u6700\u8fd1\u7684\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\u3002<\/li>\n<li>\u4f7f\u7528 mysqlbinlog \u5de5\u5177\u89e3\u6790\u4e8c\u8fdb\u5236\u65e5\u5fd7\u5e76\u751f\u6210 SQL \u8bed\u53e5\u3002<\/li>\n<li>\u8fd0\u884c\u751f\u6210\u7684 SQL \u8bed\u53e5\u6062\u590d\u4e22\u5931\u7684\u6570\u636e\u3002<\/li>\n<\/ul>\n<p><strong>3. \u4f7f\u7528 redo \u65e5\u5fd7<\/strong><\/p>\n<p>redo \u65e5\u5fd7\u8bb0\u5f55\u4e86\u6240\u6709\u5df2\u63d0\u4ea4\u7684\u4e8b\u52a1\u3002\u5982\u679c\u6570\u636e\u5e93\u56e0\u610f\u5916\u5173\u673a\u6216\u78c1\u76d8\u635f\u574f\u5bfc\u81f4\u6570\u636e\u4e22\u5931\uff0c\u53ef\u4ee5\u4f7f\u7528 redo \u65e5\u5fd7\u8fdb\u884c\u6062\u590d\u3002<\/p>\n<ul>\n<li>MySQL \u4f1a\u81ea\u52a8\u4f7f\u7528 redo \u65e5\u5fd7\u8fdb\u884c\u5d29\u6e83\u6062\u590d\u3002<\/li>\n<li>\u624b\u52a8\u6062\u590d\u9700\u8981\u4f7f\u7528 innodb_force_recovery \u8bbe\u7f6e\u5f3a\u5236 MySQL \u4f7f\u7528 redo \u65e5\u5fd7\u3002<\/li>\n<\/ul>\n<p><strong>4. \u4f7f\u7528\u6570\u636e\u5b57\u5178\u8868<\/strong><\/p>\n<p>\u6570\u636e\u5b57\u5178\u8868\u5b58\u50a8\u4e86\u6709\u5173\u6570\u636e\u5e93\u8868\u548c\u5217\u7684\u4fe1\u606f\u3002\u5982\u679c\u8fd9\u4e9b\u8868\u4e22\u5931\u6216\u635f\u574f\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u636e\u5b57\u5178\u8868\u8fdb\u884c\u6062\u590d\u3002<\/p>\n<ul>\n<li>\u4ece MySQL \u5b89\u88c5\u76ee\u5f55\u4e2d\u590d\u5236 mysql.frm \u548c mysql.ibd \u6587\u4ef6\u3002<\/li>\n<li>\u91cd\u65b0\u521b\u5efa\u4e22\u5931\u7684\u8868\u3002<\/li>\n<li>\u4f7f\u7528 SELECT * FROM mysql.innodb_table_stats \u67e5\u8be2\u6570\u636e\u5b57\u5178\u8868\uff0c\u83b7\u53d6\u6709\u5173\u4e22\u5931\u6570\u636e\u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/li>\n<li>\u624b\u52a8\u91cd\u65b0\u63d2\u5165\u4e22\u5931\u7684\u6570\u636e\u3002<\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<ul>\n<li>\u5728\u6267\u884c\u4efb\u4f55\u6062\u590d\u64cd\u4f5c\u4e4b\u524d\uff0c\u8bf7\u52a1\u5fc5\u5907\u4efd\u6570\u636e\u5e93\u3002<\/li>\n<li>\u786e\u4fdd\u6709\u8db3\u591f\u7684\u78c1\u76d8\u7a7a\u95f4\u7528\u4e8e\u6062\u590d\u3002<\/li>\n<li>\u4e0d\u540c\u7684\u6062\u590d\u65b9\u6cd5\u9002\u7528\u4e8e\u4e0d\u540c\u7684\u6570\u636e\u4e22\u5931\u573a\u666f\u3002\u9009\u62e9\u6700\u9002\u5408\u5177\u4f53\u60c5\u51b5\u7684\u65b9\u6cd5\u81f3\u5173\u91cd\u8981\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662f\u6062\u590d\u903b\u8f91\u7684\u65b9\u6cd5\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>mysql\u63d0\u4f9b\u4e86\u591a\u79cd\u903b\u8f91\u6062\u590d\u65b9\u6cd5\uff1a\u4ece\u5907\u4efd\u6062\u590d\uff1a\u901a\u8fc7mysqldump\u548cmysql\u547d\u4ee4\u5bfc\u51fa\u548c\u5bfc\u5165\u5907\u4efd\u6587\u4ef6\u3002\u4f7f\u7528\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff1a\u5206\u6790\u4e8c\u8fdb\u5236\u65e5\u5fd7\u5e76\u751f\u6210sql\u8bed\u53e5\u6062\u590d\u4e22\u5931\u7684\u6570\u636e\u3002\u4f7f\u7528redo\u65e5\u5fd7\uff1amysql\u81ea\u52a8\u4f7f\u7528redo\u65e5\u5fd7\u8fdb\u884c\u5d29\u6e83\u6062\u590d\uff0c\u4e5f\u53ef\u5f3a\u5236\u624b\u52a8\u6062\u590d\u3002\u4f7f\u7528\u6570\u636e\u5b57\u5178\u8868\uff1a\u590d\u5236mysql.frm\u548cmysql.ibd\u6587\u4ef6\uff0c\u91cd\u65b0\u521b\u5efa\u4e22\u5931\u7684\u8868\u5e76\u4f7f\u7528\u6570\u636e\u5b57\u5178\u8868\u6062\u590d\u6570\u636e\u3002 MySQL \u6062\u590d\u903b\u8f91\u7684\u65b9\u6cd5 \u5f53 MySQL \u6570\u636e\u5e93\u56e0\u6545\u969c\u6216\u4eba\u4e3a\u9519\u8bef\u5bfc\u81f4\u65f6\uff0c\u9700\u8981\u8fdb\u884c\u6570\u636e\u6062\u590d\u3002MySQL \u63d0\u4f9b\u4e86\u591a\u79cd\u903b\u8f91\u6062\u590d\u65b9\u6cd5\uff0c\u53ef\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u6062\u590d\u9700\u6c42\u3002 1. \u4ece\u5907\u4efd\u6062\u590d \u5907\u4efd\u662f\u6570\u636e\u6062\u590d\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u3002MySQL \u652f\u6301\u6570\u636e\u5e93\u3001\u8868\u548c\u7279\u5b9a\u884c\u7684\u5907\u4efd\u3002\u53ea\u8981\u6709\u5b8c\u6574\u7684\u5907\u4efd\uff0c\u5c31\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u8fdb\u884c\u6062\u590d\uff1a \u70b9\u51fb\u4e0b\u8f7d\u201c\u201d\uff1b \u4f7f\u7528 dump \u5de5\u5177\u5bfc\u51fa\u5907\u4efd\u6587\u4ef6\u3002 \u4f7f\u7528 mysql \u547d\u4ee4\u5bfc\u5165\u5907\u4efd\u6587\u4ef6\u3002 2. \u4f7f\u7528\u4e8c\u8fdb\u5236\u65e5\u5fd7 \u4e8c\u8fdb\u5236\u65e5\u5fd7\u8bb0\u5f55\u4e86\u6240\u6709\u5bf9\u6570\u636e\u5e93\u6240\u505a\u7684\u4fee\u6539\u64cd\u4f5c\u3002\u5982\u679c\u6570\u636e\u5e93\u56e0\u5d29\u6e83\u6216\u9519\u8bef\u5bfc\u81f4\u6570\u636e\u4e22\u5931\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e8c\u8fdb\u5236\u65e5\u5fd7\u8fdb\u884c\u6062\u590d\u3002 \u542f\u7528\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff1aSET GLOBAL binlog_format = ROW;\u3002 \u627e\u5230\u4e8b\u6545\u53d1\u751f\u524d\u6700\u8fd1\u7684\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\u3002 \u4f7f\u7528 mysqlbinlog \u5de5\u5177\u89e3\u6790\u4e8c\u8fdb\u5236\u65e5\u5fd7\u5e76\u751f\u6210 SQL \u8bed\u53e5\u3002 \u8fd0\u884c\u751f\u6210\u7684 SQL \u8bed\u53e5\u6062\u590d\u4e22\u5931\u7684\u6570\u636e\u3002 3. \u4f7f\u7528 redo \u65e5\u5fd7 redo \u65e5\u5fd7\u8bb0\u5f55\u4e86\u6240\u6709\u5df2\u63d0\u4ea4\u7684\u4e8b\u52a1\u3002\u5982\u679c\u6570\u636e\u5e93\u56e0\u610f\u5916\u5173\u673a\u6216\u78c1\u76d8\u635f\u574f\u5bfc\u81f4\u6570\u636e\u4e22\u5931\uff0c\u53ef\u4ee5\u4f7f\u7528 redo \u65e5\u5fd7\u8fdb\u884c\u6062\u590d\u3002 MySQL \u4f1a\u81ea\u52a8\u4f7f\u7528 redo \u65e5\u5fd7\u8fdb\u884c\u5d29\u6e83\u6062\u590d\u3002 \u624b\u52a8\u6062\u590d\u9700\u8981\u4f7f\u7528 innodb_force_recovery \u8bbe\u7f6e\u5f3a\u5236 MySQL \u4f7f\u7528 redo \u65e5\u5fd7\u3002 4. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-6364","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6364","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=6364"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6364\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6364"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6364"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6364"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}