{"id":59567,"date":"2024-10-12T23:03:01","date_gmt":"2024-10-12T15:03:01","guid":{"rendered":"https:\/\/server.hk\/cnblog\/59567\/"},"modified":"2024-10-12T23:03:01","modified_gmt":"2024-10-12T15:03:01","slug":"centos%e7%a3%81%e7%a2%9f%e7%a9%ba%e9%96%93%e4%b8%8d%e8%b6%b3%ef%bc%8c%e5%a6%82%e4%bd%95%e6%b8%85%e7%90%86%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-centos%e7%9b%a4%e6%bb%bf%e4%ba%86%e6%80%8e%e9%ba%bc","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/59567\/","title":{"rendered":"CentOS\u78c1\u789f\u7a7a\u9593\u4e0d\u8db3\uff0c\u5982\u4f55\u6e05\u7406\u6578\u64da\u5eab\uff1f (centos\u76e4\u6eff\u4e86\u600e\u9ebc\u6e05\u88e1\u9762\u6578\u64da\u5eab)"},"content":{"rendered":"

CentOS\u78c1\u789f\u7a7a\u9593\u4e0d\u8db3\uff0c\u5982\u4f55\u6e05\u7406\u6578\u64da\u5eab\uff1f<\/h1>\n

\u5728\u4f7f\u7528CentOS\u4f3a\u670d\u5668\u6642\uff0c\u78c1\u789f\u7a7a\u9593\u4e0d\u8db3\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u5c24\u5176\u662f\u7576\u4f3a\u670d\u5668\u4e0a\u904b\u884c\u8457\u6578\u64da\u5eab\u6642\u3002\u6578\u64da\u5eab\u7684\u589e\u9577\u53ef\u80fd\u6703\u8fc5\u901f\u6d88\u8017\u53ef\u7528\u7684\u78c1\u789f\u7a7a\u9593\uff0c\u5c0e\u81f4\u7cfb\u7d71\u6027\u80fd\u4e0b\u964d\u6216\u7121\u6cd5\u6b63\u5e38\u904b\u884c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u6e05\u7406CentOS\u4e0a\u7684\u6578\u64da\u5eab\uff0c\u4ee5\u91cb\u653e\u78c1\u789f\u7a7a\u9593\u3002<\/p>\n

\u6aa2\u67e5\u78c1\u789f\u7a7a\u9593\u4f7f\u7528\u60c5\u6cc1<\/h2>\n

\u5728\u9032\u884c\u6e05\u7406\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u6aa2\u67e5\u78c1\u789f\u7a7a\u9593\u7684\u4f7f\u7528\u60c5\u6cc1\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u67e5\u770b\u78c1\u789f\u4f7f\u7528\u60c5\u6cc1\uff1a<\/p>\n

df -h<\/code><\/pre>\n
\u9019\u500b\u547d\u4ee4\u6703\u986f\u793a\u6240\u6709\u639b\u8f09\u7684\u78c1\u789f\u5206\u5340\u53ca\u5176\u4f7f\u7528\u60c5\u6cc1\u3002\u6ce8\u610f\u67e5\u770b\u54ea\u4e9b\u5206\u5340\u7684\u4f7f\u7528\u7387\u63a5\u8fd1100%\u3002<\/p>\n
\u6e05\u7406\u6578\u64da\u5eab\u7684\u6b65\u9a5f<\/h2>\n
1. \u522a\u9664\u4e0d\u5fc5\u8981\u7684\u6578\u64da<\/h3>\n
\u9996\u5148\uff0c\u6aa2\u67e5\u6578\u64da\u5eab\u4e2d\u662f\u5426\u6709\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3002\u9019\u53ef\u80fd\u5305\u62ec\u904e\u671f\u7684\u8a18\u9304\u3001\u6e2c\u8a66\u6578\u64da\u6216\u4e0d\u518d\u4f7f\u7528\u7684\u6578\u64da\u3002\u53ef\u4ee5\u4f7f\u7528SQL\u8a9e\u53e5\u4f86\u522a\u9664\u9019\u4e9b\u6578\u64da\u3002\u4f8b\u5982\uff0c\u82e5\u8981\u522a\u9664\u4e00\u500b\u7279\u5b9a\u65e5\u671f\u4e4b\u524d\u7684\u8a18\u9304\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n
DELETE FROM your_table WHERE date_column < 'YYYY-MM-DD';<\/code><\/pre>\n
2. \u512a\u5316\u6578\u64da\u5eab<\/h3>\n
\u5728\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u5f8c\uff0c\u5efa\u8b70\u512a\u5316\u6578\u64da\u5eab\u4ee5\u91cb\u653e\u7a7a\u9593\u3002\u5c0d\u65bcMySQL\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
OPTIMIZE TABLE your_table;<\/code><\/pre>\n
\u9019\u500b\u547d\u4ee4\u6703\u91cd\u5efa\u8868\u4e26\u91cb\u653e\u672a\u4f7f\u7528\u7684\u7a7a\u9593\u3002<\/p>\n
3. \u6e05\u7406\u65e5\u8a8c\u6587\u4ef6<\/h3>\n
\u6578\u64da\u5eab\u7684\u65e5\u8a8c\u6587\u4ef6\u53ef\u80fd\u6703\u4f54\u7528\u5927\u91cf\u7a7a\u9593\u3002\u53ef\u4ee5\u5b9a\u671f\u6e05\u7406\u9019\u4e9b\u65e5\u8a8c\u6587\u4ef6\u3002\u5c0d\u65bcMySQL\uff0c\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6e05\u7406\u4e8c\u9032\u5236\u65e5\u8a8c\uff1a<\/p>\n
PURGE BINARY LOGS TO 'mysql-bin.00000X';<\/code><\/pre>\n
\u9019\u5c07\u522a\u9664\u6240\u6709\u5728\u6307\u5b9a\u65e5\u8a8c\u4e4b\u524d\u7684\u65e5\u8a8c\u6587\u4ef6\u3002<\/p>\n
4. \u4f7f\u7528\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177<\/h3>\n
\u4f7f\u7528\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff08\u5982phpMyAdmin\u6216Adminer\uff09\u53ef\u4ee5\u66f4\u76f4\u89c0\u5730\u7ba1\u7406\u6578\u64da\u5eab\u3002\u9019\u4e9b\u5de5\u5177\u901a\u5e38\u63d0\u4f9b\u6e05\u7406\u548c\u512a\u5316\u7684\u529f\u80fd\uff0c\u8b93\u7528\u6236\u53ef\u4ee5\u8f15\u9b06\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u548c\u512a\u5316\u8868\u3002<\/p>\n
\u5b9a\u671f\u7dad\u8b77<\/h2>\n
\u70ba\u4e86\u9632\u6b62\u672a\u4f86\u518d\u6b21\u51fa\u73fe\u78c1\u789f\u7a7a\u9593\u4e0d\u8db3\u7684\u554f\u984c\uff0c\u5efa\u8b70\u5b9a\u671f\u9032\u884c\u6578\u64da\u5eab\u7dad\u8b77\u3002\u53ef\u4ee5\u8a2d\u7f6e\u5b9a\u671f\u4efb\u52d9\uff08cron job\uff09\u4f86\u81ea\u52d5\u57f7\u884c\u6e05\u7406\u548c\u512a\u5316\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u6bcf\u9031\u57f7\u884c\u4e00\u6b21\u512a\u5316\u64cd\u4f5c\uff1a<\/p>\n
0 2 * * 0 \/usr\/bin\/mysqlcheck -o --all-databases<\/code><\/pre>\n
\u9019\u500b\u547d\u4ee4\u6703\u5728\u6bcf\u9031\u65e5\u7684\u51cc\u66682\u9ede\u81ea\u52d5\u512a\u5316\u6240\u6709\u6578\u64da\u5eab\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728CentOS\u4f3a\u670d\u5668\u4e0a\uff0c\u78c1\u789f\u7a7a\u9593\u4e0d\u8db3\u7684\u554f\u984c\u53ef\u4ee5\u901a\u904e\u5b9a\u671f\u6e05\u7406\u6578\u64da\u5eab\u4f86\u89e3\u6c7a\u3002\u901a\u904e\u522a\u9664\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u3001\u512a\u5316\u6578\u64da\u5eab\u3001\u6e05\u7406\u65e5\u8a8c\u6587\u4ef6\u4ee5\u53ca\u4f7f\u7528\u6578\u64da\u5eab\u7ba1\u7406\u5de5\u5177\uff0c\u53ef\u4ee5\u6709\u6548\u91cb\u653e\u78c1\u789f\u7a7a\u9593\u3002\u6b64\u5916\uff0c\u5b9a\u671f\u7dad\u8b77\u4e5f\u662f\u9632\u6b62\u672a\u4f86\u554f\u984c\u7684\u91cd\u8981\u63aa\u65bd\u3002\u82e5\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u63d0\u4f9b\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u8cc7\u6e90\u7ba1\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u5982\u4f55\u5728CentOS\u4e0a\u6e05\u7406\u6578\u64da\u5eab\u4ee5\u91cb\u653e\u78c1\u789f\u7a7a\u9593\uff0c\u89e3\u6c7a\u76e4\u6eff\u554f\u984c\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-59567","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59567","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=59567"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59567\/revisions"}],"predecessor-version":[{"id":59568,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/59567\/revisions\/59568"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=59567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=59567"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=59567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}