{"id":192522,"date":"2024-11-12T19:19:24","date_gmt":"2024-11-12T11:19:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/192522\/"},"modified":"2024-11-12T19:19:25","modified_gmt":"2024-11-12T11:19:25","slug":"%e6%96%b0%e6%89%8bdba%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%8d%e8%b6%b3%e5%95%8f%e9%a1%8c%ef%bc%9f-%e6%96%b0%e5%85%a5%e8%81%b7dba%e5%a6%82%e4%bd%95%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/192522\/","title":{"rendered":"\u65b0\u624bdba\u5982\u4f55\u89e3\u6c7a\u6578\u64da\u5eab\u4e0d\u8db3\u554f\u984c\uff1f (\u65b0\u5165\u8077dba\u5982\u4f55\u5206\u6790\u6578\u64da\u5eab\u4e0d\u8db3)"},"content":{"rendered":"<h1 id=\"%e6%96%b0%e6%89%8bdba%e5%a6%82%e4%bd%95%e8%a7%a3%e6%b1%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%8d%e8%b6%b3%e5%95%8f%e9%a1%8c%ef%bc%9f-oRRITfILWG\">\u65b0\u624bDBA\u5982\u4f55\u89e3\u6c7a\u6578\u64da\u5eab\u4e0d\u8db3\u554f\u984c\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u7dad\u8b77\u5c0d\u65bc\u4f01\u696d\u7684\u904b\u71df\u81f3\u95dc\u91cd\u8981\u3002\u5c0d\u65bc\u65b0\u5165\u8077\u7684\u6578\u64da\u5eab\u7ba1\u7406\u54e1\uff08DBA\uff09\u4f86\u8aaa\uff0c\u9762\u5c0d\u6578\u64da\u5eab\u4e0d\u8db3\u7684\u554f\u984c\u53ef\u80fd\u6703\u611f\u5230\u56f0\u60d1\u548c\u58d3\u529b\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u65b0\u624bDBA\u5982\u4f55\u5206\u6790\u548c\u89e3\u6c7a\u6578\u64da\u5eab\u4e0d\u8db3\u7684\u554f\u984c\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u5efa\u8b70\u548c\u5de5\u5177\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%8d%e8%b6%b3%e7%9a%84%e5%b8%b8%e8%a6%8b%e5%8e%9f%e5%9b%a0-oRRITfILWG\">\u6578\u64da\u5eab\u4e0d\u8db3\u7684\u5e38\u898b\u539f\u56e0<\/h2>\n<p>\u5728\u6df1\u5165\u5206\u6790\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u6578\u64da\u5eab\u4e0d\u8db3\u7684\u5e38\u898b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u589e\u9577\u904e\u5feb\uff1a<\/strong>\u96a8\u8457\u696d\u52d9\u7684\u767c\u5c55\uff0c\u6578\u64da\u91cf\u53ef\u80fd\u6703\u8fc5\u901f\u589e\u52a0\uff0c\u8d85\u51fa\u539f\u6709\u6578\u64da\u5eab\u7684\u5bb9\u91cf\u3002<\/li>\n<li><strong>\u4e0d\u7576\u7684\u6578\u64da\u5eab\u8a2d\u8a08\uff1a<\/strong>\u5982\u679c\u6578\u64da\u5eab\u7684\u7d50\u69cb\u8a2d\u8a08\u4e0d\u5408\u7406\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\u548c\u5b58\u5132\u4e0d\u8db3\u3002<\/li>\n<li><strong>\u7f3a\u4e4f\u76e3\u63a7\u548c\u7dad\u8b77\uff1a<\/strong>\u5b9a\u671f\u7684\u6578\u64da\u5eab\u7dad\u8b77\u548c\u76e3\u63a7\u662f\u78ba\u4fdd\u6578\u64da\u5eab\u6b63\u5e38\u904b\u884c\u7684\u95dc\u9375\uff0c\u7f3a\u4e4f\u9019\u4e9b\u63aa\u65bd\u53ef\u80fd\u6703\u5c0e\u81f4\u554f\u984c\u7684\u7a4d\u7d2f\u3002<\/li>\n<li><strong>\u4e0d\u5408\u7406\u7684\u6578\u64da\u5b58\u5132\u7b56\u7565\uff1a<\/strong>\u5982\u679c\u6578\u64da\u5b58\u5132\u7b56\u7565\u4e0d\u7576\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u7a7a\u9593\u7684\u6d6a\u8cbb\u6216\u4e0d\u8db3\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%88%86%e6%9e%90%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%8d%e8%b6%b3%e5%95%8f%e9%a1%8c-oRRITfILWG\">\u5982\u4f55\u5206\u6790\u6578\u64da\u5eab\u4e0d\u8db3\u554f\u984c<\/h2>\n<p>\u65b0\u624bDBA\u5728\u9762\u5c0d\u6578\u64da\u5eab\u4e0d\u8db3\u7684\u60c5\u6cc1\u6642\uff0c\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u5206\u6790\uff1a<\/p>\n<h3 id=\"1-%e7%9b%a3%e6%8e%a7%e6%95%b8%e6%93%9a%e5%ba%ab%e6%80%a7%e8%83%bd-oRRITfILWG\">1. \u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd<\/h3>\n<p>\u4f7f\u7528\u6578\u64da\u5eab\u76e3\u63a7\u5de5\u5177\uff08\u5982Prometheus\u3001Grafana\u7b49\uff09\u4f86\u8ddf\u8e2a\u6578\u64da\u5eab\u7684\u6027\u80fd\u6307\u6a19\uff0c\u5305\u62ecCPU\u4f7f\u7528\u7387\u3001\u5167\u5b58\u4f7f\u7528\u7387\u3001\u78c1\u789f\u7a7a\u9593\u548c\u67e5\u8a62\u6027\u80fd\u7b49\u3002\u9019\u4e9b\u6307\u6a19\u53ef\u4ee5\u5e6b\u52a9DBA\u8b58\u5225\u6027\u80fd\u74f6\u9838\u548c\u8cc7\u6e90\u4e0d\u8db3\u7684\u60c5\u6cc1\u3002<\/p>\n<h3 id=\"2-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e5%ba%ab%e5%a4%a7%e5%b0%8f-oRRITfILWG\">2. \u6aa2\u67e5\u6578\u64da\u5eab\u5927\u5c0f<\/h3>\n<p>\u901a\u904e\u57f7\u884c\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u5927\u5c0f\uff1a<\/p>\n<pre><code>SELECT \n    table_schema AS 'Database', \n    SUM(data_length + index_length) \/ 1024 \/ 1024 AS 'Size (MB)' \nFROM \n    information_schema.TABLES \nGROUP BY \n    table_schema;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u986f\u793a\u6bcf\u500b\u6578\u64da\u5eab\u7684\u5927\u5c0f\uff0c\u5e6b\u52a9DBA\u4e86\u89e3\u54ea\u4e9b\u6578\u64da\u5eab\u4f54\u7528\u4e86\u6700\u591a\u7684\u7a7a\u9593\u3002<\/p>\n<h3 id=\"3-%e5%88%86%e6%9e%90%e6%95%b8%e6%93%9a%e8%a1%a8%e7%9a%84%e4%bd%bf%e7%94%a8%e6%83%85%e6%b3%81-oRRITfILWG\">3. \u5206\u6790\u6578\u64da\u8868\u7684\u4f7f\u7528\u60c5\u6cc1<\/h3>\n<p>\u6aa2\u67e5\u6578\u64da\u8868\u7684\u4f7f\u7528\u60c5\u6cc1\uff0c\u7279\u5225\u662f\u90a3\u4e9b\u4e0d\u518d\u4f7f\u7528\u6216\u904e\u6642\u7684\u6578\u64da\u8868\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u627e\u51fa\u8868\u7684\u884c\u6578\uff1a<\/p>\n<pre><code>SELECT \n    table_name, \n    table_rows \nFROM \n    information_schema.TABLES \nWHERE \n    table_schema = 'your_database_name';<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5e6b\u52a9DBA\u6c7a\u5b9a\u662f\u5426\u9700\u8981\u522a\u9664\u6216\u6b78\u6a94\u67d0\u4e9b\u6578\u64da\u8868\u3002<\/p>\n<h3 id=\"4-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e5%92%8c%e7%b4%a2%e5%bc%95-oRRITfILWG\">4. \u512a\u5316\u67e5\u8a62\u548c\u7d22\u5f15<\/h3>\n<p>\u4e0d\u5408\u7406\u7684\u67e5\u8a62\u548c\u7f3a\u4e4f\u7d22\u5f15\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u4f7f\u7528\u6578\u64da\u5eab\u7684\u67e5\u8a62\u5206\u6790\u5de5\u5177\uff08\u5982EXPLAIN\uff09\u4f86\u6aa2\u67e5\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u512a\u5316\u3002<\/p>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%8d%e8%b6%b3%e5%95%8f%e9%a1%8c%e7%9a%84%e7%ad%96%e7%95%a5-oRRITfILWG\">\u89e3\u6c7a\u6578\u64da\u5eab\u4e0d\u8db3\u554f\u984c\u7684\u7b56\u7565<\/h2>\n<p>\u5728\u5206\u6790\u5b8c\u6578\u64da\u5eab\u7684\u72c0\u6cc1\u5f8c\uff0cDBA\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u7b56\u7565\u4f86\u89e3\u6c7a\u6578\u64da\u5eab\u4e0d\u8db3\u7684\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u64f4\u5c55\u5b58\u5132\u5bb9\u91cf\uff1a<\/strong>\u6839\u64da\u9700\u8981\u589e\u52a0\u6578\u64da\u5eab\u7684\u5b58\u5132\u5bb9\u91cf\uff0c\u9019\u53ef\u4ee5\u901a\u904e\u5347\u7d1a\u786c\u4ef6\u6216\u4f7f\u7528\u96f2\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u4f86\u5be6\u73fe\u3002<\/li>\n<li><strong>\u6578\u64da\u6e05\u7406\uff1a<\/strong>\u5b9a\u671f\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\uff0c\u522a\u9664\u904e\u671f\u7684\u8a18\u9304\u6216\u5c07\u5176\u6b78\u6a94\uff0c\u4ee5\u91cb\u653e\u7a7a\u9593\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u5206\u5340\uff1a<\/strong>\u5c0d\u65bc\u5927\u578b\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5206\u5340\u6280\u8853\u4f86\u63d0\u9ad8\u6027\u80fd\u548c\u7ba1\u7406\u6548\u7387\u3002<\/li>\n<li><strong>\u512a\u5316\u6578\u64da\u5eab\u8a2d\u8a08\uff1a<\/strong>\u91cd\u65b0\u8a2d\u8a08\u6578\u64da\u5eab\u7d50\u69cb\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-oRRITfILWG\">\u7e3d\u7d50<\/h2>\n<p>\u5c0d\u65bc\u65b0\u624bDBA\u4f86\u8aaa\uff0c\u89e3\u6c7a\u6578\u64da\u5eab\u4e0d\u8db3\u554f\u984c\u9700\u8981\u7cfb\u7d71\u7684\u5206\u6790\u548c\u6709\u6548\u7684\u7b56\u7565\u3002\u901a\u904e\u76e3\u63a7\u6027\u80fd\u3001\u6aa2\u67e5\u6578\u64da\u5eab\u5927\u5c0f\u3001\u5206\u6790\u6578\u64da\u8868\u4f7f\u7528\u60c5\u6cc1\u4ee5\u53ca\u512a\u5316\u67e5\u8a62\u548c\u7d22\u5f15\uff0cDBA\u53ef\u4ee5\u6709\u6548\u5730\u8b58\u5225\u548c\u89e3\u6c7a\u554f\u984c\u3002\u96a8\u8457\u7d93\u9a57\u7684\u7a4d\u7d2f\uff0cDBA\u5c07\u80fd\u5920\u66f4\u597d\u5730\u7ba1\u7406\u548c\u7dad\u8b77\u6578\u64da\u5eab\uff0c\u78ba\u4fdd\u5176\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\uff0c\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u5176\u4ed6\u61c9\u7528\u7a0b\u5e8f\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u65b0\u624bDBA\u5b78\u7fd2\u5982\u4f55\u5206\u6790\u548c\u89e3\u6c7a\u6578\u64da\u5eab\u4e0d\u8db3\u554f\u984c\uff0c\u638c\u63e1\u6709\u6548\u7684\u76e3\u63a7\u548c\u512a\u5316\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\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-192522","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/192522","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=192522"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/192522\/revisions"}],"predecessor-version":[{"id":192523,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/192522\/revisions\/192523"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=192522"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=192522"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=192522"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}