{"id":195441,"date":"2024-11-13T15:01:19","date_gmt":"2024-11-13T07:01:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195441\/"},"modified":"2024-11-13T15:01:21","modified_gmt":"2024-11-13T07:01:21","slug":"%e5%8f%88%e6%98%af%e4%b8%80%e5%b9%b4%e8%b7%b3%e6%a7%bd%e5%ad%a3%ef%bc%81%e5%a6%82%e4%bd%95%e5%bf%ab%e9%80%9f%e5%ae%9a%e4%bd%8d%e6%95%b8%e6%93%9a%e5%ba%ab%e6%b6%88%e8%80%97cpu%e8%aa%9e%e5%8f%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195441\/","title":{"rendered":"\u53c8\u662f\u4e00\u5e74\u8df3\u69fd\u5b63\uff01\u5982\u4f55\u5feb\u901f\u5b9a\u4f4d\u6578\u64da\u5eab\u6d88\u8017CPU\u8a9e\u53e5\uff1f"},"content":{"rendered":"<h1 id=\"%e5%8f%88%e6%98%af%e4%b8%80%e5%b9%b4%e8%b7%b3%e6%a7%bd%e5%ad%a3%ef%bc%81%e5%a6%82%e4%bd%95%e5%bf%ab%e9%80%9f%e5%ae%9a%e4%bd%8d%e6%95%b8%e6%93%9a%e5%ba%ab%e6%b6%88%e8%80%97cpu%e8%aa%9e%e5%8f%a5-wLuLygcavm\">\u53c8\u662f\u4e00\u5e74\u8df3\u69fd\u5b63\uff01\u5982\u4f55\u5feb\u901f\u5b9a\u4f4d\u6578\u64da\u5eab\u6d88\u8017CPU\u8a9e\u53e5\uff1f<\/h1>\n<p>\u96a8\u8457\u6bcf\u5e74\u7684\u8df3\u69fd\u5b63\u4f86\u81e8\uff0c\u8a31\u591a\u4f01\u696d\u548c\u958b\u767c\u8005\u90fd\u5728\u5c0b\u627e\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u7684\u65b9\u6cd5\u3002\u6578\u64da\u5eab\u7684\u6027\u80fd\u512a\u5316\u662f\u5176\u4e2d\u4e00\u500b\u91cd\u8981\u7684\u74b0\u7bc0\uff0c\u5c24\u5176\u662f\u7576\u6578\u64da\u5eab\u67e5\u8a62\u8a9e\u53e5\u6d88\u8017\u904e\u591a\u7684CPU\u8cc7\u6e90\u6642\uff0c\u9019\u4e0d\u50c5\u5f71\u97ff\u4e86\u61c9\u7528\u7684\u97ff\u61c9\u901f\u5ea6\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u6574\u500b\u7cfb\u7d71\u7684\u6027\u80fd\u4e0b\u964d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5feb\u901f\u5b9a\u4f4d\u6578\u64da\u5eab\u4e2d\u6d88\u8017CPU\u7684\u8a9e\u53e5\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u6280\u5de7\u548c\u5de5\u5177\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bccpu%e6%b6%88%e8%80%97%e9%81%8e%e9%ab%98%e7%9a%84%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5%e9%9c%80%e8%a6%81%e8%a2%ab%e9%97%9c%e6%b3%a8%ef%bc%9f-wLuLygcavm\">\u70ba\u4ec0\u9ebcCPU\u6d88\u8017\u904e\u9ad8\u7684\u67e5\u8a62\u8a9e\u53e5\u9700\u8981\u88ab\u95dc\u6ce8\uff1f<\/h2>\n<p>\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u67e5\u8a62\u8a9e\u53e5\u7684\u6548\u7387\u76f4\u63a5\u5f71\u97ff\u5230\u6574\u9ad4\u7cfb\u7d71\u7684\u6027\u80fd\u3002\u7576\u67d0\u4e9b\u67e5\u8a62\u8a9e\u53e5\u6d88\u8017\u904e\u591a\u7684CPU\u8cc7\u6e90\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u4ee5\u4e0b\u554f\u984c\uff1a<\/p>\n<ul>\n<li>\u7cfb\u7d71\u97ff\u61c9\u8b8a\u6162\uff0c\u5f71\u97ff\u7528\u6236\u9ad4\u9a57\u3002<\/li>\n<li>\u5176\u4ed6\u67e5\u8a62\u7684\u57f7\u884c\u6642\u9593\u589e\u52a0\uff0c\u9020\u6210\u6574\u9ad4\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li>\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u5eab\u7684\u9396\u5b9a\uff0c\u5f71\u97ff\u6578\u64da\u7684\u53ef\u7528\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%ae%9a%e4%bd%8d%e9%ab%98cpu%e6%b6%88%e8%80%97%e7%9a%84%e6%9f%a5%e8%a9%a2%e8%aa%9e%e5%8f%a5-wLuLygcavm\">\u5982\u4f55\u5b9a\u4f4d\u9ad8CPU\u6d88\u8017\u7684\u67e5\u8a62\u8a9e\u53e5<\/h2>\n<p>\u5b9a\u4f4d\u9ad8CPU\u6d88\u8017\u7684\u67e5\u8a62\u8a9e\u53e5\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u6cd5\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u6280\u5de7\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%80%a7%e8%83%bd%e7%9b%a3%e6%8e%a7%e5%b7%a5%e5%85%b7-wLuLygcavm\">1. \u4f7f\u7528\u6578\u64da\u5eab\u7684\u6027\u80fd\u76e3\u63a7\u5de5\u5177<\/h3>\n<p>\u5927\u591a\u6578\u73fe\u4ee3\u6578\u64da\u5eab\u7cfb\u7d71\u90fd\u63d0\u4f9b\u4e86\u6027\u80fd\u76e3\u63a7\u5de5\u5177\uff0c\u9019\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u4f60\u8b58\u5225\u9ad8CPU\u6d88\u8017\u7684\u67e5\u8a62\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>MySQL:<\/strong> \u4f7f\u7528 <code>SHOW PROCESSLIST;<\/code> \u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u7576\u524d\u6b63\u5728\u57f7\u884c\u7684\u67e5\u8a62\uff0c\u4e26\u8b58\u5225\u51fa\u6d88\u8017CPU\u7684\u67e5\u8a62\u3002<\/li>\n<li><strong>PostgreSQL:<\/strong> \u53ef\u4ee5\u4f7f\u7528 <code>pg_stat_statements<\/code> \u64f4\u5c55\u4f86\u6536\u96c6\u67e5\u8a62\u7684\u57f7\u884c\u7d71\u8a08\u4fe1\u606f\uff0c\u5f9e\u800c\u627e\u51fa\u9ad8\u6d88\u8017\u7684\u67e5\u8a62\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e6%9f%a5%e8%a9%a2%e5%9f%b7%e8%a1%8c%e8%a8%88%e5%8a%83-wLuLygcavm\">2. \u67e5\u8a62\u57f7\u884c\u8a08\u5283<\/h3>\n<p>\u5206\u6790\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\u662f\u5b9a\u4f4d\u6027\u80fd\u554f\u984c\u7684\u53e6\u4e00\u500b\u6709\u6548\u65b9\u6cd5\u3002\u901a\u904e\u67e5\u770b\u57f7\u884c\u8a08\u5283\uff0c\u4f60\u53ef\u4ee5\u4e86\u89e3\u6578\u64da\u5eab\u662f\u5982\u4f55\u57f7\u884c\u67e5\u8a62\u7684\uff0c\u4e26\u627e\u51fa\u53ef\u80fd\u7684\u74f6\u9838\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>MySQL:<\/strong> \u4f7f\u7528 <code>EXPLAIN<\/code> \u547d\u4ee4\u4f86\u67e5\u770b\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\u3002<\/li>\n<li><strong>PostgreSQL:<\/strong> \u4f7f\u7528 <code>EXPLAIN ANALYZE<\/code> \u4f86\u7372\u53d6\u66f4\u8a73\u7d30\u7684\u57f7\u884c\u8a08\u5283\u548c\u5be6\u969b\u57f7\u884c\u6642\u9593\u3002<\/li>\n<\/ul>\n<h3 id=\"3-%e8%a8%ad%e7%bd%ae%e6%9f%a5%e8%a9%a2%e6%97%a5%e8%aa%8c-wLuLygcavm\">3. \u8a2d\u7f6e\u67e5\u8a62\u65e5\u8a8c<\/h3>\n<p>\u555f\u7528\u67e5\u8a62\u65e5\u8a8c\u53ef\u4ee5\u5e6b\u52a9\u4f60\u8a18\u9304\u6240\u6709\u57f7\u884c\u7684\u67e5\u8a62\uff0c\u4e26\u5206\u6790\u54ea\u4e9b\u67e5\u8a62\u6d88\u8017\u4e86\u904e\u591a\u7684\u8cc7\u6e90\u3002\u9019\u5c0d\u65bc\u5f8c\u7e8c\u7684\u6027\u80fd\u8abf\u512a\u975e\u5e38\u6709\u5e6b\u52a9\u3002<\/p>\n<h2 id=\"%e5%84%aa%e5%8c%96%e9%ab%98cpu%e6%b6%88%e8%80%97%e7%9a%84%e6%9f%a5%e8%a9%a2-wLuLygcavm\">\u512a\u5316\u9ad8CPU\u6d88\u8017\u7684\u67e5\u8a62<\/h2>\n<p>\u4e00\u65e6\u5b9a\u4f4d\u5230\u9ad8CPU\u6d88\u8017\u7684\u67e5\u8a62\uff0c\u63a5\u4e0b\u4f86\u5c31\u662f\u512a\u5316\u9019\u4e9b\u67e5\u8a62\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u512a\u5316\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u7d22\u5f15\uff1a\u78ba\u4fdd\u67e5\u8a62\u4e2d\u4f7f\u7528\u7684\u5217\u6709\u9069\u7576\u7684\u7d22\u5f15\uff0c\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li>\u7c21\u5316\u67e5\u8a62\uff1a\u907f\u514d\u4f7f\u7528\u904e\u65bc\u8907\u96dc\u7684\u67e5\u8a62\uff0c\u5c07\u5176\u62c6\u5206\u70ba\u591a\u500b\u7c21\u55ae\u7684\u67e5\u8a62\u3002<\/li>\n<li>\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8a08\u7b97\uff1a\u5728\u67e5\u8a62\u4e2d\u907f\u514d\u4f7f\u7528\u4e0d\u5fc5\u8981\u7684\u8a08\u7b97\u548c\u51fd\u6578\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11CPU\u7684\u8ca0\u64d4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-wLuLygcavm\">\u7d50\u8ad6<\/h2>\n<p>\u5728\u8df3\u69fd\u5b63\u4f86\u81e8\u4e4b\u969b\uff0c\u4f01\u696d\u548c\u958b\u767c\u8005\u90fd\u61c9\u8a72\u91cd\u8996\u6578\u64da\u5eab\u7684\u6027\u80fd\u512a\u5316\u3002\u901a\u904e\u4f7f\u7528\u6027\u80fd\u76e3\u63a7\u5de5\u5177\u3001\u5206\u6790\u67e5\u8a62\u57f7\u884c\u8a08\u5283\u4ee5\u53ca\u8a2d\u7f6e\u67e5\u8a62\u65e5\u8a8c\uff0c\u53ef\u4ee5\u5feb\u901f\u5b9a\u4f4d\u5230\u6d88\u8017CPU\u7684\u67e5\u8a62\u8a9e\u53e5\uff0c\u4e26\u63a1\u53d6\u76f8\u61c9\u7684\u512a\u5316\u63aa\u65bd\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u9084\u80fd\u6539\u5584\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u904b\u884c\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u5be6\u73fe\u6700\u4f73\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5728\u8df3\u69fd\u5b63\u5feb\u901f\u5b9a\u4f4d\u6578\u64da\u5eab\u4e2d\u6d88\u8017CPU\u7684\u8a9e\u53e5\uff0c\u63d0\u5347\u6027\u80fd\uff0c\u52a9\u4f60\u8077\u5834\u7af6\u722d\u529b\uff01<\/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-195441","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195441","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=195441"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195441\/revisions"}],"predecessor-version":[{"id":195442,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195441\/revisions\/195442"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195441"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195441"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195441"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}