{"id":163723,"date":"2024-11-05T01:53:24","date_gmt":"2024-11-04T17:53:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163723\/"},"modified":"2024-11-05T01:53:24","modified_gmt":"2024-11-04T17:53:24","slug":"%e8%a7%a3%e6%b1%ba%e9%98%bf%e9%87%8c%e9%9b%b2rds%e6%95%b8%e6%93%9a%e5%ba%abcpu%e9%81%8e%e9%ab%98%e5%95%8f%e9%a1%8c%e7%9a%84%e6%96%b9%e6%b3%95-%e9%98%bf%e9%87%8c%e9%9b%b2rds%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163723\/","title":{"rendered":"\u89e3\u6c7a\u963f\u91cc\u96f2RDS\u6578\u64da\u5eabCPU\u904e\u9ad8\u554f\u984c\u7684\u65b9\u6cd5 (\u963f\u91cc\u96f2rds\u6578\u64da\u5eabcpu\u904e\u9ad8)"},"content":{"rendered":"<h1 id=\"%e8%a7%a3%e6%b1%ba%e9%98%bf%e9%87%8c%e9%9b%b2rds%e6%95%b8%e6%93%9a%e5%ba%abcpu%e9%81%8e%e9%ab%98%e5%95%8f%e9%a1%8c%e7%9a%84%e6%96%b9%e6%b3%95-bbzwzhvRrm\">\u89e3\u6c7a\u963f\u91cc\u96f2RDS\u6578\u64da\u5eabCPU\u904e\u9ad8\u554f\u984c\u7684\u65b9\u6cd5<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u4f01\u696d\u7684\u904b\u71df\u81f3\u95dc\u91cd\u8981\u3002\u963f\u91cc\u96f2\u7684RDS\uff08\u95dc\u806f\u6578\u64da\u5eab\u670d\u52d9\uff09\u662f\u4e00\u500b\u6d41\u884c\u7684\u9078\u64c7\uff0c\u4f46\u7528\u6236\u5728\u4f7f\u7528\u904e\u7a0b\u4e2d\u53ef\u80fd\u6703\u9047\u5230CPU\u904e\u9ad8\u7684\u554f\u984c\u3002\u9019\u4e0d\u50c5\u6703\u5f71\u97ff\u6578\u64da\u5eab\u7684\u97ff\u61c9\u901f\u5ea6\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u4e0b\u964d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5c0e\u81f4\u963f\u91cc\u96f2RDS\u6578\u64da\u5eabCPU\u904e\u9ad8\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"cpu%e9%81%8e%e9%ab%98%e7%9a%84%e5%b8%b8%e8%a6%8b%e5%8e%9f%e5%9b%a0-bbzwzhvRrm\">CPU\u904e\u9ad8\u7684\u5e38\u898b\u539f\u56e0<\/h2>\n<ul>\n<li><strong>\u67e5\u8a62\u6548\u7387\u4f4e\u4e0b\uff1a<\/strong>\u4e0d\u7576\u7684SQL\u67e5\u8a62\u53ef\u80fd\u6703\u5c0e\u81f4CPU\u4f7f\u7528\u7387\u98c6\u5347\u3002\u4f8b\u5982\uff0c\u672a\u7d93\u512a\u5316\u7684JOIN\u64cd\u4f5c\u6216\u7f3a\u4e4f\u7d22\u5f15\u7684\u67e5\u8a62\u6703\u6d88\u8017\u5927\u91cf\u8cc7\u6e90\u3002<\/li>\n<li><strong>\u9ad8\u4f75\u767c\u8acb\u6c42\uff1a<\/strong>\u7576\u591a\u500b\u7528\u6236\u540c\u6642\u8a2a\u554f\u6578\u64da\u5eab\u6642\uff0c\u8acb\u6c42\u7684\u4f75\u767c\u6027\u53ef\u80fd\u6703\u5c0e\u81f4CPU\u8ca0\u8f09\u589e\u52a0\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u914d\u7f6e\u4e0d\u7576\uff1a<\/strong>\u4e0d\u5408\u9069\u7684\u6578\u64da\u5eab\u914d\u7f6e\uff0c\u5982\u5167\u5b58\u5206\u914d\u4e0d\u8db3\u6216\u9023\u63a5\u6578\u9650\u5236\uff0c\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\u3002<\/li>\n<li><strong>\u61c9\u7528\u7a0b\u5e8f\u8a2d\u8a08\u554f\u984c\uff1a<\/strong>\u61c9\u7528\u7a0b\u5e8f\u7684\u8a2d\u8a08\u4e0d\u7576\uff0c\u4f8b\u5982\u983b\u7e41\u7684\u6578\u64da\u5eab\u8a2a\u554f\u6216\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u8b80\u53d6\uff0c\u4e5f\u6703\u5c0e\u81f4CPU\u904e\u9ad8\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-bbzwzhvRrm\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<h3 id=\"1-%e5%84%aa%e5%8c%96sql%e6%9f%a5%e8%a9%a2-bbzwzhvRrm\">1. \u512a\u5316SQL\u67e5\u8a62<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u4e26\u512a\u5316SQL\u67e5\u8a62\u662f\u89e3\u6c7aCPU\u904e\u9ad8\u554f\u984c\u7684\u95dc\u9375\u3002\u4f7f\u7528EXPLAIN\u8a9e\u53e5\u4f86\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>EXPLAIN SELECT * FROM orders WHERE customer_id = 123;<\/code><\/pre>\n<p>\u6839\u64da\u5206\u6790\u7d50\u679c\uff0c\u8003\u616e\u6dfb\u52a0\u7d22\u5f15\u6216\u91cd\u5beb\u67e5\u8a62\u4ee5\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n<h3 id=\"2-%e5%a2%9e%e5%8a%a0%e8%b3%87%e6%ba%90-bbzwzhvRrm\">2. \u589e\u52a0\u8cc7\u6e90<\/h3>\n<p>\u5982\u679cCPU\u904e\u9ad8\u662f\u7531\u65bc\u9ad8\u4f75\u767c\u8acb\u6c42\u9020\u6210\u7684\uff0c\u8003\u616e\u5347\u7d1aRDS\u5be6\u4f8b\u7684\u914d\u7f6e\uff0c\u589e\u52a0CPU\u548c\u5167\u5b58\u8cc7\u6e90\u3002\u963f\u91cc\u96f2\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u5347\u7d1a\u9078\u9805\uff0c\u60a8\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h3 id=\"3-%e8%aa%bf%e6%95%b4%e6%95%b8%e6%93%9a%e5%ba%ab%e9%85%8d%e7%bd%ae-bbzwzhvRrm\">3. \u8abf\u6574\u6578\u64da\u5eab\u914d\u7f6e<\/h3>\n<p>\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u914d\u7f6e\u53c3\u6578\uff0c\u78ba\u4fdd\u5b83\u5011\u9069\u5408\u60a8\u7684\u61c9\u7528\u5834\u666f\u3002\u4f8b\u5982\uff0c\u8abf\u6574\u6700\u5927\u9023\u63a5\u6578\u548c\u5167\u5b58\u5206\u914d\uff0c\u4ee5\u9069\u61c9\u7576\u524d\u7684\u8ca0\u8f09\u60c5\u6cc1\u3002<\/p>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8%e7%b7%a9%e5%ad%98%e6%8a%80%e8%a1%93-bbzwzhvRrm\">4. \u4f7f\u7528\u7de9\u5b58\u6280\u8853<\/h3>\n<p>\u5f15\u5165\u7de9\u5b58\u6280\u8853\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u5c0d\u6578\u64da\u5eab\u7684\u76f4\u63a5\u8acb\u6c42\u3002\u4f7f\u7528Redis\u6216Memcached\u7b49\u7de9\u5b58\u7cfb\u7d71\uff0c\u53ef\u4ee5\u5c07\u983b\u7e41\u8a2a\u554f\u7684\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u5f9e\u800c\u6e1b\u5c11CPU\u8ca0\u64d4\u3002<\/p>\n<h3 id=\"5-%e7%9b%a3%e6%8e%a7%e5%92%8c%e5%88%86%e6%9e%90-bbzwzhvRrm\">5. \u76e3\u63a7\u548c\u5206\u6790<\/h3>\n<p>\u5b9a\u671f\u76e3\u63a7\u6578\u64da\u5eab\u6027\u80fd\u662f\u9810\u9632CPU\u904e\u9ad8\u7684\u6709\u6548\u65b9\u6cd5\u3002\u4f7f\u7528\u963f\u91cc\u96f2\u63d0\u4f9b\u7684\u76e3\u63a7\u5de5\u5177\uff0c\u8ddf\u8e64CPU\u4f7f\u7528\u7387\u3001\u67e5\u8a62\u6027\u80fd\u548c\u5176\u4ed6\u95dc\u9375\u6307\u6a19\uff0c\u53ca\u6642\u767c\u73fe\u554f\u984c\u4e26\u9032\u884c\u8abf\u6574\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-bbzwzhvRrm\">\u7d50\u8ad6<\/h2>\n<p>\u963f\u91cc\u96f2RDS\u6578\u64da\u5eab\u7684CPU\u904e\u9ad8\u554f\u984c\u53ef\u80fd\u7531\u591a\u7a2e\u56e0\u7d20\u5f15\u8d77\uff0c\u4f46\u901a\u904e\u512a\u5316\u67e5\u8a62\u3001\u589e\u52a0\u8cc7\u6e90\u3001\u8abf\u6574\u914d\u7f6e\u3001\u4f7f\u7528\u7de9\u5b58\u6280\u8853\u4ee5\u53ca\u5b9a\u671f\u76e3\u63a7\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u4fdd\u6301\u6578\u64da\u5eab\u7684\u9ad8\u6548\u904b\u884c\u4e0d\u50c5\u80fd\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\uff0c\u9084\u80fd\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3\u5982\u4f55\u63d0\u5347\u60a8\u7684\u6578\u64da\u5eab\u6027\u80fd\uff0c\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u89e3\u6c7a\u963f\u91cc\u96f2RDS\u6578\u64da\u5eabCPU\u904e\u9ad8\u554f\u984c\u7684\u6709\u6548\u65b9\u6cd5\uff0c\u63d0\u5347\u6027\u80fd\uff0c\u78ba\u4fdd\u7a69\u5b9a\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-163723","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163723","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=163723"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163723\/revisions"}],"predecessor-version":[{"id":163724,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163723\/revisions\/163724"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163723"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163723"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163723"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}