{"id":21451,"date":"2024-01-02T09:36:24","date_gmt":"2024-01-02T09:36:24","guid":{"rendered":"https:\/\/server.hk\/blog\/21451\/"},"modified":"2024-11-14T10:34:08","modified_gmt":"2024-11-14T02:34:08","slug":"how-to-fix-postgresql-error-code-55p02-cant_change_runtime_param","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21451\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a55P02 &#8211; cant_change_runtime_param"},"content":{"rendered":"<h1 id=\"how-to-fix-postgresql-error-code-55p02-cant_change_runtime_param-RKiiFTjDGc\">\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a55P02 &#8211; cant_change_runtime_param<\/h1>\n<p>PostgreSQL \u662f\u4e00\u6b3e\u5f37\u5927\u7684\u958b\u6e90\u95dc\u806f\u5f0f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u5408\u3002\u7136\u800c\uff0c\u6b63\u5982\u4efb\u4f55\u8edf\u4ef6\u4e00\u6a23\uff0c\u5076\u723e\u4e5f\u6703\u9047\u5230\u932f\u8aa4\uff0c\u9019\u53ef\u80fd\u6703\u5e72\u64fe\u5176\u6b63\u5e38\u904b\u4f5c\u3002\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a55P02 &#8211; cant_change_runtime_param\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u6df1\u5165\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u539f\u56e0\uff0c\u4e26\u63d0\u4f9b\u9010\u6b65\u7684\u89e3\u6c7a\u65b9\u6848\u4ee5\u5354\u52a9\u4fee\u5fa9\u5b83\u3002<\/p>\n<h2 id=\"understanding-the-error-RKiiFTjDGc\">\u7406\u89e3\u8a72\u932f\u8aa4<\/h2>\n<p>PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a55P02 &#8211; cant_change_runtime_param \u7522\u751f\u65bc\u8a66\u5716\u4fee\u6539\u53ea\u80fd\u5728 PostgreSQL \u4f3a\u670d\u5668\u555f\u52d5\u671f\u9593\u66f4\u6539\u7684\u914d\u7f6e\u53c3\u6578\u6642\u3002\u8a72\u932f\u8aa4\u901a\u5e38\u5728\u4f7f\u7528 ALTER SYSTEM \u547d\u4ee4\u5617\u8a66\u66f4\u6539\u4f3a\u670d\u5668\u904b\u884c\u6642\u53c3\u6578\u6642\u51fa\u73fe\u3002<\/p>\n<h2 id=\"possible-causes-RKiiFTjDGc\">\u53ef\u80fd\u7684\u539f\u56e0<\/h2>\n<p>\u4ee5\u4e0b\u662f\u5c0e\u81f4\u60a8\u53ef\u80fd\u9047\u5230\u6b64\u932f\u8aa4\u7684\u5e7e\u500b\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u5617\u8a66\u66f4\u6539\u904b\u884c\u6642\u53c3\u6578\uff1a<\/strong>\u5982\u524d\u6240\u8ff0\uff0c\u67d0\u4e9b\u914d\u7f6e\u53c3\u6578\u53ea\u80fd\u5728 PostgreSQL \u4f3a\u670d\u5668\u555f\u52d5\u6642\u9032\u884c\u4fee\u6539\u3002\u8a66\u5716\u5728\u4f3a\u670d\u5668\u904b\u884c\u6642\u8b8a\u66f4\u9019\u4e9b\u53c3\u6578\u5c07\u6703\u5f15\u767c 55P02 \u932f\u8aa4\u3002<\/li>\n<li><strong>\u6b0a\u9650\u4e0d\u8db3\uff1a<\/strong>\u5617\u8a66\u4fee\u6539\u53c3\u6578\u7684\u7528\u6236\u53ef\u80fd\u7f3a\u4e4f\u76f8\u61c9\u7684\u6b0a\u9650\u3002\u53ea\u6709\u8d85\u7d1a\u7528\u6236\u6216\u64c1\u6709\u7279\u5b9a\u6b0a\u9650\u7684\u7528\u6236\u624d\u80fd\u66f4\u6539\u67d0\u4e9b\u914d\u7f6e\u53c3\u6578\u3002<\/li>\n<li><strong>\u8a9e\u6cd5\u932f\u8aa4\uff1a<\/strong>\u4f7f\u7528\u932f\u8aa4\u7684\u8a9e\u6cd5\u6216\u62fc\u5beb\u932f\u8aa4\u7684\u53c3\u6578\u540d\u7a31\u4e5f\u53ef\u80fd\u89f8\u767c 55P02 \u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"fixing-the-error-RKiiFTjDGc\">\u4fee\u5fa9\u932f\u8aa4<\/h2>\n<p>\u70ba\u4e86\u89e3\u6c7a PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a55P02 &#8211; cant_change_runtime_param\uff0c\u8acb\u9075\u5faa\u4ee5\u4e0b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-check-parameter-scope-RKiiFTjDGc\">1. \u6aa2\u67e5\u53c3\u6578\u7bc4\u570d<\/h3>\n<p>\u9996\u5148\uff0c\u8acb\u78ba\u4fdd\u60a8\u5617\u8a66\u4fee\u6539\u7684\u53c3\u6578\u4e0d\u662f\u904b\u884c\u6642\u53c3\u6578\u3002\u67e5\u95b1 PostgreSQL \u6587\u6a94\u6216\u8a72\u53c3\u6578\u7684\u63cf\u8ff0\uff0c\u4ee5\u78ba\u8a8d\u5176\u662f\u5426\u53ef\u4ee5\u5728\u4f3a\u670d\u5668\u904b\u884c\u6642\u66f4\u6539\u3002\u5982\u679c\u662f\u904b\u884c\u6642\u53c3\u6578\uff0c\u60a8\u5c07\u9700\u91cd\u65b0\u555f\u52d5\u4f3a\u670d\u5668\u4ee5\u61c9\u7528\u6240\u9700\u914d\u7f6e\u3002<\/p>\n<h3 id=\"2-verify-user-privileges-RKiiFTjDGc\">2. \u9a57\u8b49\u7528\u6236\u6b0a\u9650<\/h3>\n<p>\u78ba\u4fdd\u60a8\u5177\u5099\u4fee\u6539\u8a72\u53c3\u6578\u6240\u9700\u7684\u6b0a\u9650\u3002\u5982\u679c\u60a8\u4e26\u975e\u8d85\u7d1a\u7528\u6236\uff0c\u8acb\u6aa2\u67e5\u60a8\u7684\u7528\u6236\u5e33\u6236\u662f\u5426\u5df2\u7372\u5f97\u4fee\u6539\u8a72\u914d\u7f6e\u53c3\u6578\u7684\u76f8\u61c9\u6b0a\u9650\u3002\u5982\u672a\u7372\u5f97\uff0c\u8acb\u806f\u7d61\u60a8\u7684\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u6216\u64c1\u6709\u8d85\u7d1a\u7528\u6236\u6b0a\u9650\u7684\u7528\u6236\uff0c\u4ee5\u9032\u884c\u5fc5\u8981\u7684\u8abf\u6574\u3002<\/p>\n<h3 id=\"3-double-check-syntax-RKiiFTjDGc\">3. \u4ed4\u7d30\u6aa2\u67e5\u8a9e\u6cd5<\/h3>\n<p>\u6aa2\u67e5 ALTER SYSTEM \u547d\u4ee4\u7684\u8a9e\u6cd5\uff0c\u78ba\u4fdd\u60a8\u4f7f\u7528\u6b63\u78ba\u7684\u683c\u5f0f\u4e26\u6b63\u78ba\u62fc\u5beb\u4e86\u53c3\u6578\u540d\u7a31\u3002\u5373\u4fbf\u662f\u5fae\u5c0f\u7684\u62fc\u5beb\u932f\u8aa4\u4e5f\u53ef\u80fd\u5c0e\u81f4 55P02 \u932f\u8aa4\u3002\u5efa\u8b70\u5c07\u60a8\u7684\u547d\u4ee4\u8207 PostgreSQL \u6587\u6a94\u5c0d\u7167\uff0c\u6216\u5c0b\u6c42 PostgreSQL \u793e\u5340\u7684\u5354\u52a9\u4ee5\u78ba\u8a8d\u8a9e\u6cd5\u6b63\u78ba\u3002<\/p>\n<h3 id=\"4-restart-the-postgresql-server-RKiiFTjDGc\">4. \u91cd\u65b0\u555f\u52d5 PostgreSQL \u4f3a\u670d\u5668<\/h3>\n<p>\u82e5\u60a8\u6b32\u4fee\u6539\u7684\u53c3\u6578\u975e\u904b\u884c\u6642\u53c3\u6578\uff0c\u4e26\u4e14\u64c1\u6709\u5fc5\u9808\u7684\u6b0a\u9650\uff0c\u8acb\u8003\u616e\u91cd\u65b0\u555f\u52d5 PostgreSQL \u4f3a\u670d\u5668\u3002\u6b64\u8209\u5c07\u8b93\u60a8\u80fd\u5920\u61c9\u7528\u6240\u9700\u7684\u914d\u7f6e\u66f4\u6539\u3002\u7136\u800c\uff0c\u8acb\u52d9\u5fc5\u6ce8\u610f\uff0c\u91cd\u65b0\u555f\u52d5\u4f3a\u670d\u5668\u6703\u5c0e\u81f4\u670d\u52d9\u77ed\u66ab\u4e2d\u65b7\uff0c\u56e0\u6b64\u61c9\u59a5\u5584\u898f\u5283\u76f8\u95dc\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"summary-RKiiFTjDGc\">\u7e3d\u7d50<\/h2>\n<p>\u7e3d\u4e4b\uff0cPostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a55P02 &#8211; cant_change_runtime_param \u767c\u751f\u65bc\u8a66\u5716\u4fee\u6539\u53ea\u80fd\u5728 PostgreSQL \u4f3a\u670d\u5668\u555f\u52d5\u6642\u66f4\u6539\u7684\u914d\u7f6e\u53c3\u6578\u7684\u60c5\u6cc1\u4e0b\u3002\u8981\u4fee\u5fa9\u6b64\u932f\u8aa4\uff0c\u8acb\u78ba\u4fdd\u8a72\u53c3\u6578\u4e26\u975e\u904b\u884c\u6642\u53c3\u6578\uff0c\u6aa2\u67e5\u60a8\u7684\u7528\u6236\u6b0a\u9650\uff0c\u4ed4\u7d30\u9a57\u8b49 ALTER SYSTEM \u547d\u4ee4\u7684\u8a9e\u6cd5\uff0c\u4e26\u5728\u5fc5\u8981\u6642\u8003\u616e\u91cd\u65b0\u555f\u52d5 PostgreSQL \u4f3a\u670d\u5668\u3002<\/p>\n<p>\u5982\u9700\u66f4\u591a\u6709\u95dc VPS \u8a17\u7ba1\u7684\u8cc7\u8a0a\uff0c\u4e26\u63a2\u7d22\u6211\u5011\u7684\u9ad8\u54c1\u8cea\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4fee\u5fa9 PostgreSQL &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-21451","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21451","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=21451"}],"version-history":[{"count":3,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21451\/revisions"}],"predecessor-version":[{"id":24033,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21451\/revisions\/24033"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21451"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21451"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21451"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}