{"id":174503,"date":"2024-11-07T22:25:20","date_gmt":"2024-11-07T14:25:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/174503\/"},"modified":"2024-11-07T22:25:21","modified_gmt":"2024-11-07T14:25:21","slug":"%e5%a6%82%e4%bd%95%e5%bf%ab%e9%80%9f%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84cpu%e5%88%a9%e7%94%a8%e7%8e%87%ef%bc%9f-%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%abcpu%e5%88%a9%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/174503\/","title":{"rendered":"\u5982\u4f55\u5feb\u901f\u67e5\u770b\u6578\u64da\u5eab\u7684CPU\u5229\u7528\u7387\uff1f (\u67e5\u770b\u6578\u64da\u5eabcpu\u5229\u7528\u7387)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%bf%ab%e9%80%9f%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84cpu%e5%88%a9%e7%94%a8%e7%8e%87%ef%bc%9f-sJobmQuGwf\">\u5982\u4f55\u5feb\u901f\u67e5\u770b\u6578\u64da\u5eab\u7684CPU\u5229\u7528\u7387\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6574\u9ad4\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002CPU\u5229\u7528\u7387\u662f\u8a55\u4f30\u6578\u64da\u5eab\u6027\u80fd\u7684\u4e00\u500b\u91cd\u8981\u6307\u6a19\u3002\u904e\u9ad8\u7684CPU\u5229\u7528\u7387\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u5ef6\u9072\uff0c\u5f71\u97ff\u7528\u6236\u9ad4\u9a57\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u5feb\u901f\u67e5\u770b\u6578\u64da\u5eab\u7684CPU\u5229\u7528\u7387\u662f\u6bcf\u4f4d\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u548c\u958b\u767c\u8005\u5fc5\u9808\u638c\u63e1\u7684\u6280\u80fd\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e8%a6%81%e7%9b%a3%e6%8e%a7cpu%e5%88%a9%e7%94%a8%e7%8e%87%ef%bc%9f-sJobmQuGwf\">\u70ba\u4ec0\u9ebc\u8981\u76e3\u63a7CPU\u5229\u7528\u7387\uff1f<\/h2>\n<p>CPU\u5229\u7528\u7387\u53cd\u6620\u4e86\u6578\u64da\u5eab\u5728\u8655\u7406\u8acb\u6c42\u6642\u7684\u8ca0\u8f09\u60c5\u6cc1\u3002\u7576CPU\u5229\u7528\u7387\u904e\u9ad8\u6642\uff0c\u53ef\u80fd\u610f\u5473\u8457\uff1a<\/p>\n<ul>\n<li>\u67e5\u8a62\u6548\u7387\u4f4e\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u512a\u5316\u3002<\/li>\n<li>\u7cfb\u7d71\u8cc7\u6e90\u4e0d\u8db3\uff0c\u53ef\u80fd\u9700\u8981\u5347\u7d1a\u786c\u4ef6\u6216\u8abf\u6574\u914d\u7f6e\u3002<\/li>\n<li>\u5b58\u5728\u6f5b\u5728\u7684\u6027\u80fd\u74f6\u9838\uff0c\u9700\u9032\u884c\u6df1\u5165\u5206\u6790\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84cpu%e5%88%a9%e7%94%a8%e7%8e%87-sJobmQuGwf\">\u5982\u4f55\u67e5\u770b\u6578\u64da\u5eab\u7684CPU\u5229\u7528\u7387<\/h2>\n<p>\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff08DBMS\uff09\u63d0\u4f9b\u4e86\u4e0d\u540c\u7684\u5de5\u5177\u548c\u547d\u4ee4\u4f86\u67e5\u770bCPU\u5229\u7528\u7387\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u53ca\u5176\u67e5\u770bCPU\u5229\u7528\u7387\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-mysql-sJobmQuGwf\">1. MySQL<\/h3>\n<p>\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u67e5\u770b\u7576\u524d\u7684CPU\u5229\u7528\u7387\uff1a<\/p>\n<pre><code>SHOW STATUS LIKE 'Threads_running';<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u986f\u793a\u7576\u524d\u6b63\u5728\u904b\u884c\u7684\u7dda\u7a0b\u6578\uff0c\u9019\u53ef\u4ee5\u5e6b\u52a9\u4f60\u4e86\u89e3\u7576\u524d\u7684\u8ca0\u8f09\u60c5\u6cc1\u3002\u6b64\u5916\uff0c\u9084\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u67e5\u770b\u67e5\u8a62\u7684\u57f7\u884c\u6642\u9593\uff1a<\/p>\n<pre><code>SHOW PROCESSLIST;<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u7576\u524d\u6240\u6709\u6d3b\u52d5\u7684\u67e5\u8a62\u53ca\u5176\u72c0\u614b\uff0c\u5f9e\u800c\u5e6b\u52a9\u4f60\u8b58\u5225\u53ef\u80fd\u5c0e\u81f4\u9ad8CPU\u5229\u7528\u7387\u7684\u67e5\u8a62\u3002<\/p>\n<h3 id=\"2-postgresql-sJobmQuGwf\">2. PostgreSQL<\/h3>\n<p>\u5728PostgreSQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u67e5\u770bCPU\u5229\u7528\u7387\uff1a<\/p>\n<pre><code>SELECT pid, usename, state, query, \n       (now() - query_start) AS duration \nFROM pg_stat_activity \nWHERE state = 'active';<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u986f\u793a\u7576\u524d\u6240\u6709\u6d3b\u52d5\u7684\u67e5\u8a62\u53ca\u5176\u57f7\u884c\u6642\u9593\uff0c\u5e6b\u52a9\u4f60\u8b58\u5225\u6027\u80fd\u74f6\u9838\u3002<\/p>\n<h3 id=\"3-sql-server-sJobmQuGwf\">3. SQL Server<\/h3>\n<p>\u5728SQL Server\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u67e5\u770bCPU\u5229\u7528\u7387\uff1a<\/p>\n<pre><code>SELECT TOP 10 \n       total_worker_time\/1000 AS CPU_Time, \n       execution_count, \n       total_worker_time, \n       total_elapsed_time\/1000 AS Total_Elapsed_Time, \n       (total_worker_time\/1000) \/ execution_count AS Avg_CPU_Time \nFROM sys.dm_exec_query_stats \nORDER BY total_worker_time DESC;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u986f\u793aCPU\u4f7f\u7528\u6700\u591a\u7684\u67e5\u8a62\uff0c\u5e6b\u52a9\u4f60\u9032\u884c\u512a\u5316\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e7%9b%a3%e6%8e%a7%e5%b7%a5%e5%85%b7-sJobmQuGwf\">\u4f7f\u7528\u76e3\u63a7\u5de5\u5177<\/h2>\n<p>\u9664\u4e86\u4f7f\u7528SQL\u67e5\u8a62\u5916\uff0c\u9084\u53ef\u4ee5\u4f7f\u7528\u5404\u7a2e\u76e3\u63a7\u5de5\u5177\u4f86\u5be6\u6642\u67e5\u770b\u6578\u64da\u5eab\u7684CPU\u5229\u7528\u7387\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>Prometheus<\/strong>\uff1a\u4e00\u500b\u958b\u6e90\u7684\u76e3\u63a7\u7cfb\u7d71\uff0c\u53ef\u4ee5\u8207Grafana\u7d50\u5408\u4f7f\u7528\uff0c\u63d0\u4f9b\u53ef\u8996\u5316\u7684CPU\u5229\u7528\u7387\u5716\u8868\u3002<\/li>\n<li><strong>New Relic<\/strong>\uff1a\u4e00\u500b\u5546\u696d\u76e3\u63a7\u89e3\u6c7a\u65b9\u6848\uff0c\u63d0\u4f9b\u8a73\u7d30\u7684\u6027\u80fd\u5206\u6790\u548c\u5831\u544a\u3002<\/li>\n<li><strong>Datadog<\/strong>\uff1a\u53e6\u4e00\u500b\u6d41\u884c\u7684\u76e3\u63a7\u5de5\u5177\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\u7684\u6027\u80fd\u76e3\u63a7\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-sJobmQuGwf\">\u7d50\u8ad6<\/h2>\n<p>\u76e3\u63a7\u6578\u64da\u5eab\u7684CPU\u5229\u7528\u7387\u662f\u78ba\u4fdd\u7cfb\u7d71\u6027\u80fd\u7684\u95dc\u9375\u6b65\u9a5f\u3002\u901a\u904e\u4f7f\u7528\u9069\u7576\u7684\u67e5\u8a62\u548c\u76e3\u63a7\u5de5\u5177\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u5feb\u901f\u8b58\u5225\u6027\u80fd\u74f6\u9838\u4e26\u9032\u884c\u512a\u5316\u3002\u7121\u8ad6\u662f\u4f7f\u7528MySQL\u3001PostgreSQL\u9084\u662fSQL Server\uff0c\u4e86\u89e3\u5982\u4f55\u67e5\u770bCPU\u5229\u7528\u7387\u90fd\u80fd\u5e6b\u52a9\u4f60\u4fdd\u6301\u7cfb\u7d71\u7684\u9ad8\u6548\u904b\u884c\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u4f60\u7684\u6578\u64da\u5eab\u904b\u884c\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u4f60\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5feb\u901f\u67e5\u770b\u6578\u64da\u5eab\u7684CPU\u5229\u7528\u7387\uff0c\u638c\u63e1\u6027\u80fd\u72c0\u6cc1\uff0c\u512a\u5316\u67e5\u8a62\u6548\u7387\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\uff0c\u78ba\u4fdd\u696d\u52d9\u904b\u884c\u9806\u66a2\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-174503","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174503","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=174503"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174503\/revisions"}],"predecessor-version":[{"id":174504,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174503\/revisions\/174504"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=174503"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=174503"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=174503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}