{"id":179074,"date":"2024-11-08T22:47:19","date_gmt":"2024-11-08T14:47:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179074\/"},"modified":"2024-11-08T22:47:20","modified_gmt":"2024-11-08T14:47:20","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-postgresql-%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a53400-configuration_limit_exceeded%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179074\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a53400 &#8211; configuration_limit_exceeded\uff1f"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9-postgresql-%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc%ef%bc%9a53400-configuration_limit_exceeded-mPswFYZtot\">\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a53400 &#8211; configuration_limit_exceeded<\/h1>\n<p>\u5728\u4f7f\u7528 PostgreSQL \u6578\u64da\u5eab\u6642\uff0c\u60a8\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u662f\u932f\u8aa4\u4ee3\u78bc 53400\uff0c\u8868\u793a\u300cconfiguration_limit_exceeded\u300d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u7cfb\u7d71\u7684\u914d\u7f6e\u9650\u5236\u88ab\u8d85\u904e\u6642\uff0c\u7279\u5225\u662f\u5728\u9023\u63a5\u6578\u91cf\u3001\u8a18\u61b6\u9ad4\u4f7f\u7528\u6216\u5176\u4ed6\u8cc7\u6e90\u9650\u5236\u65b9\u9762\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-53400-%e7%9a%84%e5%8e%9f%e5%9b%a0-mPswFYZtot\">\u932f\u8aa4\u4ee3\u78bc 53400 \u7684\u539f\u56e0<\/h2>\n<p>PostgreSQL \u7684\u932f\u8aa4\u4ee3\u78bc 53400 \u901a\u5e38\u8207\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\u6709\u95dc\uff1a<\/p>\n<ul>\n<li><strong>\u9023\u63a5\u6578\u91cf\u9650\u5236\uff1a<\/strong>\u6bcf\u500b PostgreSQL \u5be6\u4f8b\u90fd\u6709\u4e00\u500b\u6700\u5927\u9023\u63a5\u6578\u7684\u914d\u7f6e\uff0c\u7576\u540c\u6642\u9023\u63a5\u7684\u5ba2\u6236\u7aef\u6578\u91cf\u8d85\u904e\u6b64\u9650\u5236\u6642\uff0c\u5c31\u6703\u51fa\u73fe\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u8a18\u61b6\u9ad4\u9650\u5236\uff1a<\/strong>\u5982\u679c PostgreSQL \u7684\u914d\u7f6e\u8d85\u904e\u4e86\u7cfb\u7d71\u53ef\u7528\u7684\u8a18\u61b6\u9ad4\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u5176\u4ed6\u8cc7\u6e90\u9650\u5236\uff1a<\/strong>\u4f8b\u5982\uff0c\u67d0\u4e9b\u914d\u7f6e\u53c3\u6578\uff08\u5982\u5de5\u4f5c\u8a18\u61b6\u9ad4\u3001\u5171\u4eab\u7de9\u885d\u5340\u7b49\uff09\u53ef\u80fd\u6703\u9054\u5230\u7cfb\u7d71\u7684\u4e0a\u9650\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%aa%a2%e6%9f%a5%e7%95%b6%e5%89%8d%e9%85%8d%e7%bd%ae-mPswFYZtot\">\u5982\u4f55\u6aa2\u67e5\u7576\u524d\u914d\u7f6e<\/h2>\n<p>\u8981\u89e3\u6c7a\u6b64\u932f\u8aa4\uff0c\u9996\u5148\u9700\u8981\u6aa2\u67e5\u7576\u524d\u7684 PostgreSQL \u914d\u7f6e\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u6aa2\u67e5\u7576\u524d\u7684\u9023\u63a5\u6578\u91cf\u548c\u914d\u7f6e\uff1a<\/p>\n<pre><code>SELECT \n    count(*) AS current_connections, \n    setting AS max_connections \nFROM \n    pg_stat_activity, \n    pg_settings \nWHERE \n    name = 'max_connections';<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u7576\u524d\u7684\u9023\u63a5\u6578\u91cf\u4ee5\u53ca\u6700\u5927\u9023\u63a5\u6578\u7684\u8a2d\u7f6e\u3002\u6839\u64da\u8fd4\u56de\u7684\u7d50\u679c\uff0c\u60a8\u53ef\u4ee5\u5224\u65b7\u662f\u5426\u9700\u8981\u8abf\u6574\u914d\u7f6e\u3002<\/p>\n<h2 id=\"%e4%bf%ae%e5%be%a9%e6%96%b9%e6%b3%95-mPswFYZtot\">\u4fee\u5fa9\u65b9\u6cd5<\/h2>\n<h3 id=\"1-%e5%a2%9e%e5%8a%a0%e6%9c%80%e5%a4%a7%e9%80%a3%e6%8e%a5%e6%95%b8-mPswFYZtot\">1. \u589e\u52a0\u6700\u5927\u9023\u63a5\u6578<\/h3>\n<p>\u5982\u679c\u767c\u73fe\u7576\u524d\u7684\u9023\u63a5\u6578\u91cf\u63a5\u8fd1\u6216\u8d85\u904e\u6700\u5927\u9023\u63a5\u6578\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u589e\u52a0\u6700\u5927\u9023\u63a5\u6578\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4fee\u6539 PostgreSQL \u7684\u914d\u7f6e\u6587\u4ef6\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>ALTER SYSTEM SET max_connections = '200';<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u60a8\u9700\u8981\u91cd\u65b0\u555f\u52d5 PostgreSQL \u670d\u52d9\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\uff1a<\/p>\n<pre><code>SELECT pg_reload_conf();<\/code><\/pre>\n<h3 id=\"2-%e5%84%aa%e5%8c%96%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f%e7%9a%84%e9%80%a3%e6%8e%a5%e7%ae%a1%e7%90%86-mPswFYZtot\">2. \u512a\u5316\u61c9\u7528\u7a0b\u5e8f\u7684\u9023\u63a5\u7ba1\u7406<\/h3>\n<p>\u9664\u4e86\u589e\u52a0\u6700\u5927\u9023\u63a5\u6578\uff0c\u60a8\u9084\u53ef\u4ee5\u512a\u5316\u61c9\u7528\u7a0b\u5e8f\u7684\u9023\u63a5\u7ba1\u7406\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u9023\u63a5\u6c60\u6280\u8853\u4f86\u6e1b\u5c11\u540c\u6642\u9023\u63a5\u7684\u6578\u91cf\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u9023\u63a5\uff0c\u6e1b\u5c11\u8cc7\u6e90\u7684\u6d88\u8017\u3002<\/p>\n<h3 id=\"3-%e8%aa%bf%e6%95%b4%e5%85%b6%e4%bb%96%e9%85%8d%e7%bd%ae%e5%8f%83%e6%95%b8-mPswFYZtot\">3. \u8abf\u6574\u5176\u4ed6\u914d\u7f6e\u53c3\u6578<\/h3>\n<p>\u5982\u679c\u554f\u984c\u4ecd\u7136\u5b58\u5728\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u6aa2\u67e5\u5176\u4ed6\u914d\u7f6e\u53c3\u6578\uff0c\u5982\u5de5\u4f5c\u8a18\u61b6\u9ad4\u548c\u5171\u4eab\u7de9\u885d\u5340\u3002\u9019\u4e9b\u53c3\u6578\u7684\u8a2d\u7f6e\u4e5f\u53ef\u80fd\u5f71\u97ff PostgreSQL \u7684\u6027\u80fd\u548c\u8cc7\u6e90\u4f7f\u7528\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u67e5\u8a62\u4f86\u6aa2\u67e5\u9019\u4e9b\u53c3\u6578\uff1a<\/p>\n<pre><code>SHOW work_mem;\nSHOW shared_buffers;<\/code><\/pre>\n<p>\u6839\u64da\u7cfb\u7d71\u7684\u53ef\u7528\u8cc7\u6e90\uff0c\u9069\u7576\u8abf\u6574\u9019\u4e9b\u53c3\u6578\u7684\u503c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-mPswFYZtot\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u932f\u8aa4\u4ee3\u78bc 53400 &#8211; configuration_limit_exceeded \u901a\u5e38\u662f\u7531\u65bc\u9023\u63a5\u6578\u91cf\u6216\u5176\u4ed6\u8cc7\u6e90\u9650\u5236\u8d85\u904e\u4e86\u7cfb\u7d71\u7684\u914d\u7f6e\u3002\u901a\u904e\u6aa2\u67e5\u7576\u524d\u914d\u7f6e\u3001\u589e\u52a0\u6700\u5927\u9023\u63a5\u6578\u3001\u512a\u5316\u61c9\u7528\u7a0b\u5e8f\u7684\u9023\u63a5\u7ba1\u7406\u4ee5\u53ca\u8abf\u6574\u5176\u4ed6\u914d\u7f6e\u53c3\u6578\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u5eab\u904b\u884c\u5728\u6700\u4f73\u72c0\u614b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc 53400 &#8211; configuration_limit_exceeded\uff0c\u89e3\u6c7a\u914d\u7f6e\u9650\u5236\u554f\u984c\uff0c\u6062\u5fa9\u6578\u64da\u5eab\u6b63\u5e38\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-179074","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179074","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=179074"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179074\/revisions"}],"predecessor-version":[{"id":179075,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179074\/revisions\/179075"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179074"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179074"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179074"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}