{"id":172907,"date":"2024-11-07T15:34:18","date_gmt":"2024-11-07T07:34:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/172907\/"},"modified":"2024-11-07T15:34:19","modified_gmt":"2024-11-07T07:34:19","slug":"%e5%a6%82%e4%bd%95%e6%9f%a5%e6%89%be%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e6%95%b8%ef%bc%9a%e5%91%bd%e4%bb%a4%e4%bb%8b%e7%b4%b9-%e6%9f%a5%e6%89%be%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/172907\/","title":{"rendered":"\u5982\u4f55\u67e5\u627e\u6578\u64da\u5eab\u9023\u63a5\u6578\uff1a\u547d\u4ee4\u4ecb\u7d39 (\u67e5\u627e\u6578\u64da\u5eab\u9023\u63a5\u6578\u547d\u4ee4)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e6%9f%a5%e6%89%be%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e6%95%b8%ef%bc%9a%e5%91%bd%e4%bb%a4%e4%bb%8b%e7%b4%b9-SpebtAOhNq\">\u5982\u4f55\u67e5\u627e\u6578\u64da\u5eab\u9023\u63a5\u6578\uff1a\u547d\u4ee4\u4ecb\u7d39<\/h1>\n<p>\u5728\u7ba1\u7406\u6578\u64da\u5eab\u6642\uff0c\u4e86\u89e3\u7576\u524d\u7684\u6578\u64da\u5eab\u9023\u63a5\u6578\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u9019\u4e0d\u50c5\u6709\u52a9\u65bc\u76e3\u63a7\u7cfb\u7d71\u6027\u80fd\uff0c\u9084\u80fd\u5e6b\u52a9\u8b58\u5225\u6f5b\u5728\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u67e5\u627e\u6578\u64da\u5eab\u7684\u9023\u63a5\u6578\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%9f%a5%e6%89%be%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e6%95%b8%ef%bc%9f-SpebtAOhNq\">\u70ba\u4ec0\u9ebc\u9700\u8981\u67e5\u627e\u6578\u64da\u5eab\u9023\u63a5\u6578\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u9023\u63a5\u6578\u662f\u6307\u540c\u6642\u9023\u63a5\u5230\u6578\u64da\u5eab\u7684\u5ba2\u6236\u7aef\u6578\u91cf\u3002\u904e\u591a\u7684\u9023\u63a5\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u4f7f\u6578\u64da\u5eab\u7121\u6cd5\u97ff\u61c9\u8acb\u6c42\u3002\u901a\u904e\u5b9a\u671f\u6aa2\u67e5\u9023\u63a5\u6578\uff0c\u7ba1\u7406\u54e1\u53ef\u4ee5\u53ca\u6642\u8abf\u6574\u6578\u64da\u5eab\u914d\u7f6e\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u9ad8\u6548\u6027\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e6%89%be%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e6%95%b8%e7%9a%84%e5%b8%b8%e7%94%a8%e5%91%bd%e4%bb%a4-SpebtAOhNq\">\u67e5\u627e\u6578\u64da\u5eab\u9023\u63a5\u6578\u7684\u5e38\u7528\u547d\u4ee4<\/h2>\n<h3 id=\"1-mysql-SpebtAOhNq\">1. MySQL<\/h3>\n<p>\u5728 MySQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u67e5\u627e\u7576\u524d\u7684\u9023\u63a5\u6578\uff1a<\/p>\n<pre><code>SHOW STATUS LIKE 'Threads_connected';<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u8fd4\u56de\u7576\u524d\u9023\u63a5\u5230\u6578\u64da\u5eab\u7684\u7dda\u7a0b\u6578\u3002\u53e6\u4e00\u500b\u6709\u7528\u7684\u547d\u4ee4\u662f\uff1a<\/p>\n<pre><code>SHOW PROCESSLIST;<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u986f\u793a\u6240\u6709\u7576\u524d\u7684\u9023\u63a5\uff0c\u5305\u62ec\u6bcf\u500b\u9023\u63a5\u7684\u72c0\u614b\u548c\u57f7\u884c\u7684\u67e5\u8a62\u3002\u9019\u5c0d\u65bc\u8b58\u5225\u9577\u6642\u9593\u904b\u884c\u7684\u67e5\u8a62\u6216\u7121\u6cd5\u97ff\u61c9\u7684\u9023\u63a5\u975e\u5e38\u6709\u5e6b\u52a9\u3002<\/p>\n<h3 id=\"2-postgresql-SpebtAOhNq\">2. PostgreSQL<\/h3>\n<p>\u5728 PostgreSQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u7372\u53d6\u7576\u524d\u7684\u9023\u63a5\u6578\uff1a<\/p>\n<pre><code>SELECT count(*) FROM pg_stat_activity;<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u7576\u524d\u6d3b\u52d5\u7684\u9023\u63a5\u6578\u3002\u5982\u679c\u9700\u8981\u67e5\u770b\u6bcf\u500b\u9023\u63a5\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>SELECT * FROM pg_stat_activity;<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u6240\u6709\u9023\u63a5\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5305\u62ec\u7528\u6236\u540d\u3001\u6578\u64da\u5eab\u540d\u548c\u7576\u524d\u57f7\u884c\u7684\u67e5\u8a62\u3002<\/p>\n<h3 id=\"3-sql-server-SpebtAOhNq\">3. SQL Server<\/h3>\n<p>\u5728 SQL Server \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u67e5\u627e\u7576\u524d\u7684\u9023\u63a5\u6578\uff1a<\/p>\n<pre><code>SELECT COUNT(*) AS 'Active Connections' FROM sys.dm_exec_connections;<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u7576\u524d\u6d3b\u52d5\u7684\u9023\u63a5\u6578\u3002\u5982\u679c\u9700\u8981\u66f4\u8a73\u7d30\u7684\u4fe1\u606f\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>SELECT * FROM sys.dm_exec_sessions;<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u6240\u6709\u6703\u8a71\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5305\u62ec\u6bcf\u500b\u9023\u63a5\u7684\u72c0\u614b\u548c\u57f7\u884c\u7684\u67e5\u8a62\u3002<\/p>\n<h2 id=\"%e7%9b%a3%e6%8e%a7%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e6%95%b8%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-SpebtAOhNq\">\u76e3\u63a7\u6578\u64da\u5eab\u9023\u63a5\u6578\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<ul>\n<li><strong>\u5b9a\u671f\u6aa2\u67e5\uff1a<\/strong>\u5b9a\u671f\u6aa2\u67e5\u6578\u64da\u5eab\u7684\u9023\u63a5\u6578\uff0c\u4ee5\u4fbf\u53ca\u6642\u767c\u73fe\u554f\u984c\u3002<\/li>\n<li><strong>\u8a2d\u7f6e\u8b66\u5831\uff1a<\/strong>\u53ef\u4ee5\u8a2d\u7f6e\u76e3\u63a7\u5de5\u5177\uff0c\u7576\u9023\u63a5\u6578\u8d85\u904e\u9810\u8a2d\u95be\u503c\u6642\u767c\u9001\u8b66\u5831\u3002<\/li>\n<li><strong>\u512a\u5316\u67e5\u8a62\uff1a<\/strong>\u78ba\u4fdd\u67e5\u8a62\u7684\u6548\u7387\uff0c\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u9023\u63a5\u3002<\/li>\n<li><strong>\u4f7f\u7528\u9023\u63a5\u6c60\uff1a<\/strong>\u8003\u616e\u4f7f\u7528\u9023\u63a5\u6c60\u6280\u8853\uff0c\u4ee5\u6e1b\u5c11\u9023\u63a5\u7684\u958b\u92b7\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-SpebtAOhNq\">\u7d50\u8ad6<\/h2>\n<p>\u67e5\u627e\u6578\u64da\u5eab\u7684\u9023\u63a5\u6578\u662f\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u7684\u4e00\u500b\u91cd\u8981\u65b9\u9762\u3002\u901a\u904e\u4f7f\u7528\u4e0a\u8ff0\u547d\u4ee4\uff0c\u7ba1\u7406\u54e1\u53ef\u4ee5\u8f15\u9b06\u7372\u53d6\u7576\u524d\u7684\u9023\u63a5\u6578\uff0c\u4e26\u6839\u64da\u9700\u8981\u9032\u884c\u8abf\u6574\u3002\u5b9a\u671f\u76e3\u63a7\u548c\u512a\u5316\u6578\u64da\u5eab\u9023\u63a5\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\uff0c\u9084\u80fd\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u7a69\u5b9a\u904b\u884c\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\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\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u67e5\u627e\u6578\u64da\u5eab\u9023\u63a5\u6578\uff0c\u638c\u63e1\u76f8\u95dc\u547d\u4ee4\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u7cfb\u7d71\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-172907","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172907","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=172907"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172907\/revisions"}],"predecessor-version":[{"id":172908,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172907\/revisions\/172908"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=172907"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=172907"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=172907"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}