{"id":176671,"date":"2024-11-08T12:16:18","date_gmt":"2024-11-08T04:16:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/176671\/"},"modified":"2024-11-08T12:16:19","modified_gmt":"2024-11-08T04:16:19","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a4-%e7%a3%81%e7%a2%9f%e5%b7%b2%e6%bb%bf","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/176671\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa4 &#8211; \u78c1\u789f\u5df2\u6eff"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a4-%e7%a3%81%e7%a2%9f%e5%b7%b2%e6%bb%bf-TSYcFhbGdv\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa4 &#8211; \u78c1\u789f\u5df2\u6eff<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u9047\u5230\u201c\u78c1\u789f\u5df2\u6eff\u201d\u7684\u932f\u8aa4\u662f\u76f8\u7576\u5e38\u898b\u7684\u554f\u984c\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u6703\u5c0e\u81f4\u6578\u64da\u5eab\u7121\u6cd5\u6b63\u5e38\u904b\u884c\uff0c\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u7528\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u8b58\u5225\u548c\u4fee\u5fa9\u9019\u4e00\u554f\u984c\uff0c\u5e6b\u52a9\u7528\u6236\u6709\u6548\u7ba1\u7406\u5176\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e6%9c%83%e5%87%ba%e7%8f%be%e7%a3%81%e7%a2%9f%e5%b7%b2%e6%bb%bf%e9%8c%af%e8%aa%a4%ef%bc%9f-TSYcFhbGdv\">\u70ba\u4ec0\u9ebc\u6703\u51fa\u73fe\u201c\u78c1\u789f\u5df2\u6eff\u201d\u932f\u8aa4\uff1f<\/h2>\n<p>\u7576MySQL\u6578\u64da\u5eab\u7684\u5b58\u5132\u7a7a\u9593\u8017\u76e1\u6642\uff0c\u7cfb\u7d71\u6703\u5831\u544a\u201c\u78c1\u789f\u5df2\u6eff\u201d\u7684\u932f\u8aa4\u3002\u9019\u53ef\u80fd\u662f\u7531\u65bc\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u5eab\u5927\u5c0f\u904e\u5927\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\uff0c\u6578\u64da\u5eab\u7684\u5927\u5c0f\u4e5f\u6703\u96a8\u4e4b\u589e\u52a0\uff0c\u6700\u7d42\u53ef\u80fd\u6703\u4f54\u6eff\u6240\u6709\u53ef\u7528\u7684\u78c1\u789f\u7a7a\u9593\u3002<\/li>\n<li><strong>\u65e5\u8a8c\u6587\u4ef6\u672a\u6e05\u7406\uff1a<\/strong>MySQL\u6703\u751f\u6210\u5404\u7a2e\u65e5\u8a8c\u6587\u4ef6\uff0c\u5982\u932f\u8aa4\u65e5\u8a8c\u548c\u4e8c\u9032\u5236\u65e5\u8a8c\uff0c\u9019\u4e9b\u6587\u4ef6\u5982\u679c\u4e0d\u5b9a\u671f\u6e05\u7406\uff0c\u6703\u4f54\u7528\u5927\u91cf\u7a7a\u9593\u3002<\/li>\n<li><strong>\u81e8\u6642\u6587\u4ef6\u904e\u591a\uff1a<\/strong>\u5728\u57f7\u884c\u67d0\u4e9b\u67e5\u8a62\u6642\uff0cMySQL\u53ef\u80fd\u6703\u5275\u5efa\u81e8\u6642\u6587\u4ef6\uff0c\u9019\u4e9b\u6587\u4ef6\u5982\u679c\u672a\u80fd\u53ca\u6642\u522a\u9664\uff0c\u4e5f\u6703\u5c0e\u81f4\u78c1\u789f\u7a7a\u9593\u4e0d\u8db3\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%aa%a2%e6%9f%a5%e7%a3%81%e7%a2%9f%e7%a9%ba%e9%96%93-TSYcFhbGdv\">\u5982\u4f55\u6aa2\u67e5\u78c1\u789f\u7a7a\u9593<\/h2>\n<p>\u5728\u4fee\u5fa9\u201c\u78c1\u789f\u5df2\u6eff\u201d\u932f\u8aa4\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u6aa2\u67e5\u7cfb\u7d71\u7684\u78c1\u789f\u7a7a\u9593\u4f7f\u7528\u60c5\u6cc1\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u67e5\u770b\u78c1\u789f\u7a7a\u9593\uff1a<\/p>\n<pre><code>df -h<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u986f\u793a\u6240\u6709\u639b\u8f09\u7684\u6587\u4ef6\u7cfb\u7d71\u53ca\u5176\u4f7f\u7528\u60c5\u6cc1\uff0c\u5305\u62ec\u53ef\u7528\u7a7a\u9593\u548c\u5df2\u7528\u7a7a\u9593\u3002\u6839\u64da\u8f38\u51fa\u7684\u7d50\u679c\uff0c\u53ef\u4ee5\u5224\u65b7\u54ea\u500b\u5206\u5340\u7684\u7a7a\u9593\u4e0d\u8db3\u3002<\/p>\n<h2 id=\"%e4%bf%ae%e5%be%a9%e6%96%b9%e6%b3%95-TSYcFhbGdv\">\u4fee\u5fa9\u65b9\u6cd5<\/h2>\n<h3 id=\"1-%e5%88%aa%e9%99%a4%e4%b8%8d%e5%bf%85%e8%a6%81%e7%9a%84%e6%95%b8%e6%93%9a-TSYcFhbGdv\">1. \u522a\u9664\u4e0d\u5fc5\u8981\u7684\u6578\u64da<\/h3>\n<p>\u5982\u679c\u767c\u73fe\u67d0\u500b\u6578\u64da\u5eab\u4f54\u7528\u4e86\u904e\u591a\u7684\u7a7a\u9593\uff0c\u53ef\u4ee5\u8003\u616e\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3002\u4f8b\u5982\uff0c\u522a\u9664\u904e\u671f\u7684\u8a18\u9304\u6216\u4e0d\u518d\u4f7f\u7528\u7684\u8868\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u522a\u9664\u6578\u64da\uff1a<\/p>\n<pre><code>DELETE FROM your_table WHERE condition;<\/code><\/pre>\n<h3 id=\"2-%e6%b8%85%e7%90%86%e6%97%a5%e8%aa%8c%e6%96%87%e4%bb%b6-TSYcFhbGdv\">2. \u6e05\u7406\u65e5\u8a8c\u6587\u4ef6<\/h3>\n<p>\u5b9a\u671f\u6e05\u7406MySQL\u7684\u65e5\u8a8c\u6587\u4ef6\u662f\u4fdd\u6301\u78c1\u789f\u7a7a\u9593\u5145\u8db3\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6e05\u7406\u4e8c\u9032\u5236\u65e5\u8a8c\uff1a<\/p>\n<pre><code>PURGE BINARY LOGS TO 'mysql-bin.00000';<\/code><\/pre>\n<p>\u9019\u5c07\u522a\u9664\u6240\u6709\u5728\u6307\u5b9a\u65e5\u8a8c\u4e4b\u524d\u7684\u4e8c\u9032\u5236\u65e5\u8a8c\u6587\u4ef6\u3002<\/p>\n<h3 id=\"3-%e5%84%aa%e5%8c%96%e6%95%b8%e6%93%9a%e5%ba%ab-TSYcFhbGdv\">3. \u512a\u5316\u6578\u64da\u5eab<\/h3>\n<p>\u4f7f\u7528MySQL\u7684\u512a\u5316\u529f\u80fd\u53ef\u4ee5\u91cb\u653e\u672a\u4f7f\u7528\u7684\u7a7a\u9593\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u512a\u5316\u8868\uff1a<\/p>\n<pre><code>OPTIMIZE TABLE your_table;<\/code><\/pre>\n<p>\u9019\u5c07\u91cd\u65b0\u7d44\u7e54\u8868\u4e26\u91cb\u653e\u672a\u4f7f\u7528\u7684\u7a7a\u9593\u3002<\/p>\n<h3 id=\"4-%e5%a2%9e%e5%8a%a0%e7%a3%81%e7%a2%9f%e7%a9%ba%e9%96%93-TSYcFhbGdv\">4. \u589e\u52a0\u78c1\u789f\u7a7a\u9593<\/h3>\n<p>\u5982\u679c\u4ee5\u4e0a\u65b9\u6cd5\u7121\u6cd5\u89e3\u6c7a\u554f\u984c\uff0c\u53ef\u80fd\u9700\u8981\u8003\u616e\u589e\u52a0\u78c1\u789f\u7a7a\u9593\u3002\u9019\u53ef\u4ee5\u901a\u904e\u64f4\u5c55\u73fe\u6709\u7684\u78c1\u789f\u5206\u5340\u6216\u6dfb\u52a0\u65b0\u7684\u78c1\u789f\u4f86\u5be6\u73fe\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-TSYcFhbGdv\">\u7e3d\u7d50<\/h2>\n<p>\u4fee\u5fa9MySQL\u7684\u201c\u78c1\u789f\u5df2\u6eff\u201d\u932f\u8aa4\u9700\u8981\u5b9a\u671f\u6aa2\u67e5\u548c\u7ba1\u7406\u6578\u64da\u5eab\u7684\u7a7a\u9593\u4f7f\u7528\u60c5\u6cc1\u3002\u901a\u904e\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3001\u6e05\u7406\u65e5\u8a8c\u6587\u4ef6\u3001\u512a\u5316\u6578\u64da\u5eab\u4ee5\u53ca\u5fc5\u8981\u6642\u589e\u52a0\u78c1\u789f\u7a7a\u9593\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e00\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u904b\u884c\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u6709\u8db3\u5920\u7684\u8cc7\u6e90\u4f86\u652f\u6301\u6578\u64da\u5eab\u7684\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa4\u300c\u78c1\u789f\u5df2\u6eff\u300d\uff0c\u5305\u62ec\u6e05\u7406\u7a7a\u9593\u548c\u512a\u5316\u6578\u64da\u5eab\u7684\u6709\u6548\u65b9\u6cd5\uff0c\u78ba\u4fdd\u7cfb\u7d71\u6b63\u5e38\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-176671","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176671","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=176671"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176671\/revisions"}],"predecessor-version":[{"id":176672,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/176671\/revisions\/176672"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=176671"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=176671"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=176671"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}