{"id":76618,"date":"2024-10-16T08:22:18","date_gmt":"2024-10-16T00:22:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/76618\/"},"modified":"2024-10-16T08:22:18","modified_gmt":"2024-10-16T00:22:18","slug":"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%87%e4%bb%b6%e5%a3%9e%e6%8e%89%e5%be%8c%e5%a6%82%e4%bd%95%e6%81%a2%e5%be%a9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/76618\/","title":{"rendered":"MySQL\u6578\u64da\u5eab\u6587\u4ef6\u58de\u6389\u5f8c\u5982\u4f55\u6062\u5fa9"},"content":{"rendered":"<h1 id=\"mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e6%96%87%e4%bb%b6%e5%a3%9e%e6%8e%89%e5%be%8c%e5%a6%82%e4%bd%95%e6%81%a2%e5%be%a9-mJFCRhTbxD\">MySQL\u6578\u64da\u5eab\u6587\u4ef6\u58de\u6389\u5f8c\u5982\u4f55\u6062\u5fa9<\/h1>\n<p>\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\u5eab\u6587\u4ef6\u7684\u640d\u58de\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e1f\u5931\uff0c\u9019\u5c0d\u65bc\u4efb\u4f55\u4f9d\u8cf4\u6578\u64da\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\u90fd\u662f\u4e00\u500b\u91cd\u5927\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0eMySQL\u6578\u64da\u5eab\u6587\u4ef6\u58de\u6389\u5f8c\u7684\u6062\u5fa9\u65b9\u6cd5\uff0c\u5e6b\u52a9\u7528\u6236\u6709\u6548\u5730\u61c9\u5c0d\u9019\u4e00\u6311\u6230\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%90%8d%e5%a3%9e%e7%9a%84%e5%b8%b8%e8%a6%8b%e5%8e%9f%e5%9b%a0-mJFCRhTbxD\">\u6578\u64da\u5eab\u640d\u58de\u7684\u5e38\u898b\u539f\u56e0<\/h2>\n<p>\u5728\u6df1\u5165\u6062\u5fa9\u65b9\u6cd5\u4e4b\u524d\uff0c\u4e86\u89e3\u6578\u64da\u5eab\u640d\u58de\u7684\u539f\u56e0\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u786c\u4ef6\u6545\u969c\uff1a<\/strong>\u786c\u789f\u640d\u58de\u6216\u96fb\u6e90\u6545\u969c\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u5eab\u6587\u4ef6\u640d\u58de\u3002<\/li>\n<li><strong>\u4e0d\u7576\u95dc\u9589\uff1a<\/strong>\u5982\u679cMySQL\u670d\u52d9\u5668\u5728\u904b\u884c\u6642\u88ab\u5f37\u5236\u95dc\u9589\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u5eab\u6587\u4ef6\u4e0d\u5b8c\u6574\u3002<\/li>\n<li><strong>\u8edf\u4ef6\u932f\u8aa4\uff1a<\/strong>\u67d0\u4e9b\u7248\u672c\u7684MySQL\u53ef\u80fd\u5b58\u5728bug\uff0c\u5c0e\u81f4\u6578\u64da\u640d\u58de\u3002<\/li>\n<li><strong>\u75c5\u6bd2\u653b\u64ca\uff1a<\/strong>\u60e1\u610f\u8edf\u4ef6\u53ef\u80fd\u6703\u7834\u58de\u6578\u64da\u5eab\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%81%a2%e5%be%a9mysql%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%ad%a5%e9%a9%9f-mJFCRhTbxD\">\u6062\u5fa9MySQL\u6578\u64da\u5eab\u7684\u6b65\u9a5f<\/h2>\n<p>\u7576\u767c\u73feMySQL\u6578\u64da\u5eab\u6587\u4ef6\u640d\u58de\u6642\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u6062\u5fa9\uff1a<\/p>\n<h3 id=\"1-%e5%81%9c%e6%ad%a2mysql%e6%9c%8d%e5%8b%99-mJFCRhTbxD\">1. \u505c\u6b62MySQL\u670d\u52d9<\/h3>\n<p>\u5728\u9032\u884c\u4efb\u4f55\u6062\u5fa9\u64cd\u4f5c\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u505c\u6b62MySQL\u670d\u52d9\uff0c\u4ee5\u9632\u6b62\u9032\u4e00\u6b65\u7684\u6578\u64da\u640d\u58de\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u505c\u6b62\u670d\u52d9\uff1a<\/p>\n<pre><code>sudo systemctl stop mysql<\/code><\/pre>\n<h3 id=\"2-%e5%82%99%e4%bb%bd%e6%90%8d%e5%a3%9e%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab-mJFCRhTbxD\">2. \u5099\u4efd\u640d\u58de\u7684\u6578\u64da\u5eab<\/h3>\n<p>\u5728\u5617\u8a66\u6062\u5fa9\u4e4b\u524d\uff0c\u52d9\u5fc5\u5099\u4efd\u640d\u58de\u7684\u6578\u64da\u5eab\u6587\u4ef6\u3002\u9019\u6a23\u53ef\u4ee5\u9632\u6b62\u5728\u6062\u5fa9\u904e\u7a0b\u4e2d\u9032\u4e00\u6b65\u640d\u58de\u6578\u64da\u3002<\/p>\n<pre><code>cp -r \/var\/lib\/mysql\/your_database \/var\/lib\/mysql\/your_database_backup<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8mysql%e7%9a%84%e4%bf%ae%e5%be%a9%e5%b7%a5%e5%85%b7-mJFCRhTbxD\">3. \u4f7f\u7528MySQL\u7684\u4fee\u5fa9\u5de5\u5177<\/h3>\n<p>MySQL\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5167\u5efa\u7684\u5de5\u5177\u4f86\u4fee\u5fa9\u640d\u58de\u7684\u6578\u64da\u5eab\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u4fee\u5fa9\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>myisamchk -r \/var\/lib\/mysql\/your_database\/*.MYI<\/code><\/pre>\n<p>\u5982\u679c\u4f7f\u7528\u7684\u662fInnoDB\u5f15\u64ce\uff0c\u53ef\u4ee5\u5617\u8a66\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<pre><code>innodb_force_recovery = 1<\/code><\/pre>\n<p>\u5c07\u6b64\u884c\u6dfb\u52a0\u5230MySQL\u914d\u7f6e\u6587\u4ef6\uff08\u901a\u5e38\u662fmy.cnf\uff09\uff0c\u7136\u5f8c\u91cd\u555fMySQL\u670d\u52d9\u3002\u6839\u64da\u9700\u8981\u8abf\u6574\u6062\u5fa9\u7d1a\u5225\uff0c\u7bc4\u570d\u5f9e1\u52306\u3002<\/p>\n<h3 id=\"4-%e5%b0%87%e6%95%b8%e6%93%9a%e5%b0%8e%e5%87%ba-mJFCRhTbxD\">4. \u5c07\u6578\u64da\u5c0e\u51fa<\/h3>\n<p>\u5982\u679c\u4fee\u5fa9\u6210\u529f\uff0c\u53ef\u4ee5\u4f7f\u7528mysqldump\u5de5\u5177\u5c07\u6578\u64da\u5c0e\u51fa\u5230SQL\u6587\u4ef6\u4e2d\uff1a<\/p>\n<pre><code>mysqldump -u username -p your_database &gt; your_database.sql<\/code><\/pre>\n<h3 id=\"5-%e9%87%8d%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab-mJFCRhTbxD\">5. \u91cd\u5efa\u6578\u64da\u5eab<\/h3>\n<p>\u5728\u5c0e\u51fa\u6578\u64da\u5f8c\uff0c\u53ef\u4ee5\u522a\u9664\u640d\u58de\u7684\u6578\u64da\u5eab\u4e26\u91cd\u65b0\u5275\u5efa\u4e00\u500b\u65b0\u7684\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>DROP DATABASE your_database;<\/code><\/pre>\n<pre><code>CREATE DATABASE your_database;<\/code><\/pre>\n<h3 id=\"6-%e5%b0%87%e6%95%b8%e6%93%9a%e5%b0%8e%e5%85%a5%e6%96%b0%e6%95%b8%e6%93%9a%e5%ba%ab-mJFCRhTbxD\">6. \u5c07\u6578\u64da\u5c0e\u5165\u65b0\u6578\u64da\u5eab<\/h3>\n<p>\u6700\u5f8c\uff0c\u5c07\u4e4b\u524d\u5c0e\u51fa\u7684SQL\u6587\u4ef6\u5c0e\u5165\u5230\u65b0\u5275\u5efa\u7684\u6578\u64da\u5eab\u4e2d\uff1a<\/p>\n<pre><code>mysql -u username -p your_database &lt; your_database.sql<\/code><\/pre>\n<h2 id=\"%e9%a0%90%e9%98%b2%e6%8e%aa%e6%96%bd-mJFCRhTbxD\">\u9810\u9632\u63aa\u65bd<\/h2>\n<p>\u70ba\u4e86\u907f\u514d\u672a\u4f86\u7684\u6578\u64da\u5eab\u640d\u58de\uff0c\u5efa\u8b70\u63a1\u53d6\u4ee5\u4e0b\u9810\u9632\u63aa\u65bd\uff1a<\/p>\n<ul>\n<li>\u5b9a\u671f\u5099\u4efd\u6578\u64da\u5eab\uff0c\u4ee5\u4fbf\u5728\u767c\u751f\u640d\u58de\u6642\u80fd\u5920\u5feb\u901f\u6062\u5fa9\u3002<\/li>\n<li>\u4f7f\u7528UPS\uff08\u4e0d\u65b7\u96fb\u7cfb\u7d71\uff09\u4f86\u9632\u6b62\u56e0\u96fb\u6e90\u6545\u969c\u5c0e\u81f4\u7684\u6578\u64da\u640d\u58de\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5\u786c\u4ef6\u72c0\u6cc1\uff0c\u53ca\u6642\u66f4\u63db\u6545\u969c\u90e8\u4ef6\u3002<\/li>\n<li>\u4fdd\u6301MySQL\u7248\u672c\u66f4\u65b0\uff0c\u4ee5\u7372\u53d6\u6700\u65b0\u7684\u5b89\u5168\u6027\u548c\u7a69\u5b9a\u6027\u4fee\u5fa9\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-mJFCRhTbxD\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u6578\u64da\u5eab\u6587\u4ef6\u7684\u640d\u58de\u53ef\u80fd\u6703\u5c0d\u696d\u52d9\u904b\u71df\u9020\u6210\u56b4\u91cd\u5f71\u97ff\uff0c\u4f46\u901a\u904e\u6b63\u78ba\u7684\u6062\u5fa9\u6b65\u9a5f\u548c\u9810\u9632\u63aa\u65bd\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u640d\u5931\u3002\u5b9a\u671f\u5099\u4efd\u548c\u7dad\u8b77\u662f\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u7684\u95dc\u9375\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u4ee5\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u5eab\u904b\u884c\u5728\u7a69\u5b9a\u548c\u5b89\u5168\u7684\u74b0\u5883\u4e2d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728MySQL\u6578\u64da\u5eab\u6587\u4ef6\u640d\u58de\u5f8c\u9032\u884c\u6062\u5fa9\uff0c\u78ba\u4fdd\u6578\u64da\u5b89\u5168\u8207\u5b8c\u6574\u6027\uff0c\u907f\u514d\u6578\u64da\u4e1f\u5931\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-76618","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76618","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=76618"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76618\/revisions"}],"predecessor-version":[{"id":76619,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/76618\/revisions\/76619"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=76618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=76618"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=76618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}