{"id":179088,"date":"2024-11-08T22:54:18","date_gmt":"2024-11-08T14:54:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179088\/"},"modified":"2024-11-08T22:54:19","modified_gmt":"2024-11-08T14:54:19","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%9a55p02-cant_change_runtime_param%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179088\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a55P02 &#8211; cant_change_runtime_param\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%9a55p02-cant_change_runtime_param-VEMlFfRKqr\">\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a55P02 &#8211; cant_change_runtime_param<\/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 55P02\uff0c\u8a72\u932f\u8aa4\u8868\u793a\u300ccant_change_runtime_param\u300d\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u51fa\u73fe\u5728\u60a8\u5617\u8a66\u5728\u904b\u884c\u6642\u66f4\u6539\u67d0\u4e9b\u53c3\u6578\u6642\uff0c\u800c\u9019\u4e9b\u53c3\u6578\u662f\u7121\u6cd5\u5728\u7576\u524d\u6703\u8a71\u4e2d\u9032\u884c\u66f4\u6539\u7684\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u9019\u500b\u932f\u8aa4\u7684\u539f\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0-VEMlFfRKqr\">\u932f\u8aa4\u539f\u56e0<\/h2>\n<p>PostgreSQL \u7684\u914d\u7f6e\u53c3\u6578\u5206\u70ba\u5169\u985e\uff1a\u53ef\u8b8a\u53c3\u6578\u548c\u4e0d\u53ef\u8b8a\u53c3\u6578\u3002\u53ef\u8b8a\u53c3\u6578\u53ef\u4ee5\u5728\u904b\u884c\u6642\u9032\u884c\u66f4\u6539\uff0c\u800c\u4e0d\u53ef\u8b8a\u53c3\u6578\u5247\u5fc5\u9808\u5728\u6578\u64da\u5eab\u555f\u52d5\u6642\u9032\u884c\u8a2d\u7f6e\u3002\u7576\u60a8\u5617\u8a66\u5728\u904b\u884c\u6642\u66f4\u6539\u4e0d\u53ef\u8b8a\u53c3\u6578\u6642\uff0c\u5c31\u6703\u51fa\u73fe 55P02 \u932f\u8aa4\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u4e0d\u53ef\u8b8a\u53c3\u6578\uff1a<\/p>\n<ul>\n<li>max_connections<\/li>\n<li>shared_buffers<\/li>\n<li>work_mem<\/li>\n<\/ul>\n<p>\u5982\u679c\u60a8\u5728 SQL \u67e5\u8a62\u4e2d\u4f7f\u7528\u4e86\u985e\u4f3c\u4ee5\u4e0b\u7684\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SET max_connections = 200;<\/code><\/pre>\n<p>\u5247\u6703\u5c0e\u81f4 55P02 \u932f\u8aa4\uff0c\u56e0\u70ba max_connections \u662f\u4e00\u500b\u4e0d\u53ef\u8b8a\u53c3\u6578\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a4-VEMlFfRKqr\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4<\/h2>\n<p>\u8981\u4fee\u5fa9 55P02 \u932f\u8aa4\uff0c\u60a8\u9700\u8981\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e5%8f%83%e6%95%b8%e9%a1%9e%e5%9e%8b-VEMlFfRKqr\">1. \u78ba\u8a8d\u53c3\u6578\u985e\u578b<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u78ba\u8a8d\u60a8\u5617\u8a66\u66f4\u6539\u7684\u53c3\u6578\u662f\u5426\u70ba\u4e0d\u53ef\u8b8a\u53c3\u6578\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u6aa2\u67e5\u53c3\u6578\u7684\u985e\u578b\uff1a<\/p>\n<pre><code>SHOW max_connections;<\/code><\/pre>\n<h3 id=\"2-%e4%bf%ae%e6%94%b9-postgresql-conf-%e6%96%87%e4%bb%b6-VEMlFfRKqr\">2. \u4fee\u6539 postgresql.conf \u6587\u4ef6<\/h3>\n<p>\u5982\u679c\u60a8\u78ba\u5b9a\u9700\u8981\u66f4\u6539\u7684\u53c3\u6578\u662f\u4e0d\u53ef\u8b8a\u7684\uff0c\u60a8\u9700\u8981\u7de8\u8f2f PostgreSQL \u7684\u914d\u7f6e\u6587\u4ef6 <code>postgresql.conf<\/code>\u3002\u627e\u5230\u60a8\u60f3\u8981\u66f4\u6539\u7684\u53c3\u6578\uff0c\u4e26\u9032\u884c\u76f8\u61c9\u7684\u4fee\u6539\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>max_connections = 200<\/code><\/pre>\n<h3 id=\"3-%e9%87%8d%e6%96%b0%e5%95%9f%e5%8b%95-postgresql-%e6%9c%8d%e5%8b%99-VEMlFfRKqr\">3. \u91cd\u65b0\u555f\u52d5 PostgreSQL \u670d\u52d9<\/h3>\n<p>\u5728\u4fee\u6539\u5b8c\u914d\u7f6e\u6587\u4ef6\u5f8c\uff0c\u60a8\u9700\u8981\u91cd\u65b0\u555f\u52d5 PostgreSQL \u670d\u52d9\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u91cd\u65b0\u555f\u52d5\u670d\u52d9\uff1a<\/p>\n<pre><code>sudo systemctl restart postgresql<\/code><\/pre>\n<h3 id=\"4-%e9%a9%97%e8%ad%89%e6%9b%b4%e6%94%b9-VEMlFfRKqr\">4. \u9a57\u8b49\u66f4\u6539<\/h3>\n<p>\u6700\u5f8c\uff0c\u60a8\u53ef\u4ee5\u518d\u6b21\u4f7f\u7528 <code>SHOW<\/code> \u547d\u4ee4\u4f86\u9a57\u8b49\u53c3\u6578\u662f\u5426\u5df2\u6210\u529f\u66f4\u6539\uff1a<\/p>\n<pre><code>SHOW max_connections;<\/code><\/pre>\n<h2 id=\"%e5%85%b6%e4%bb%96%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-VEMlFfRKqr\">\u5176\u4ed6\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u9032\u884c\u4efb\u4f55\u914d\u7f6e\u66f4\u6539\u4e4b\u524d\uff0c\u5efa\u8b70\u60a8\u5099\u4efd <code>postgresql.conf<\/code> \u6587\u4ef6\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u932f\u8aa4\u3002\u6b64\u5916\uff0c\u67d0\u4e9b\u53c3\u6578\u7684\u66f4\u6539\u53ef\u80fd\u6703\u5f71\u97ff\u6578\u64da\u5eab\u7684\u6027\u80fd\uff0c\u56e0\u6b64\u5728\u9032\u884c\u66f4\u6539\u6642\u61c9\u8b39\u614e\u8003\u616e\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-VEMlFfRKqr\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u932f\u8aa4\u4ee3\u78bc 55P02 &#8211; cant_change_runtime_param \u901a\u5e38\u662f\u7531\u65bc\u5617\u8a66\u5728\u904b\u884c\u6642\u66f4\u6539\u4e0d\u53ef\u8b8a\u53c3\u6578\u6240\u5f15\u8d77\u7684\u3002\u901a\u904e\u78ba\u8a8d\u53c3\u6578\u985e\u578b\u3001\u4fee\u6539\u914d\u7f6e\u6587\u4ef6\u3001\u91cd\u65b0\u555f\u52d5\u670d\u52d9\u4ee5\u53ca\u9a57\u8b49\u66f4\u6539\uff0c\u60a8\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u904b\u884c\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\uff0c\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u5eab\u904b\u884c\u9806\u5229\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc 55P02 &#8211; cant_change_runtime_param\uff0c\u89e3\u6c7a\u904b\u884c\u6642\u53c3\u6578\u7121\u6cd5\u66f4\u6539\u7684\u554f\u984c\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-179088","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179088","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=179088"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179088\/revisions"}],"predecessor-version":[{"id":179089,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179088\/revisions\/179089"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179088"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179088"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179088"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}