{"id":179096,"date":"2024-11-08T22:58:31","date_gmt":"2024-11-08T14:58:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179096\/"},"modified":"2024-11-08T22:58:32","modified_gmt":"2024-11-08T14:58:32","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%9a57014-query_canceled%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179096\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a57014 &#8211; query_canceled\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%9a57014-query_canceled%ef%bc%9f-KnhfPLgzxc\">\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc\uff1a57014 &#8211; query_canceled\uff1f<\/h1>\n<p>\u5728\u4f7f\u7528 PostgreSQL \u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\u4ee3\u78bc\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u932f\u8aa4\u4ee3\u78bc 57014\uff0c\u8868\u793a\u67e5\u8a62\u88ab\u53d6\u6d88\u3002\u9019\u500b\u932f\u8aa4\u901a\u5e38\u767c\u751f\u5728\u67e5\u8a62\u57f7\u884c\u904e\u7a0b\u4e2d\uff0c\u7576\u7528\u6236\u6216\u7cfb\u7d71\u4e3b\u52d5\u7d42\u6b62\u67e5\u8a62\u6642\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u6b64\u932f\u8aa4\u7684\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u6709\u6548\u4fee\u5fa9\u5b83\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-57014-%e7%9a%84%e5%8e%9f%e5%9b%a0-KnhfPLgzxc\">\u932f\u8aa4\u4ee3\u78bc 57014 \u7684\u539f\u56e0<\/h2>\n<p>PostgreSQL \u932f\u8aa4\u4ee3\u78bc 57014 \u901a\u5e38\u662f\u7531\u65bc\u4ee5\u4e0b\u5e7e\u500b\u539f\u56e0\u5f15\u8d77\u7684\uff1a<\/p>\n<ul>\n<li><strong>\u7528\u6236\u624b\u52d5\u53d6\u6d88\u67e5\u8a62\uff1a<\/strong>\u7576\u7528\u6236\u5728\u67e5\u8a62\u57f7\u884c\u904e\u7a0b\u4e2d\u6309\u4e0b Ctrl+C \u6216\u4f7f\u7528\u5176\u4ed6\u65b9\u5f0f\u7d42\u6b62\u67e5\u8a62\u6642\uff0c\u7cfb\u7d71\u6703\u8fd4\u56de\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u8d85\u6642\u8a2d\u7f6e\uff1a<\/strong>\u5982\u679c\u67e5\u8a62\u57f7\u884c\u6642\u9593\u8d85\u904e\u4e86\u9810\u8a2d\u7684\u8d85\u6642\u9650\u5236\uff0cPostgreSQL \u6703\u81ea\u52d5\u53d6\u6d88\u8a72\u67e5\u8a62\uff0c\u4e26\u8fd4\u56de\u932f\u8aa4\u4ee3\u78bc 57014\u3002<\/li>\n<li><strong>\u7cfb\u7d71\u8cc7\u6e90\u4e0d\u8db3\uff1a<\/strong>\u5728\u8cc7\u6e90\u7dca\u5f35\u7684\u60c5\u6cc1\u4e0b\uff0c\u7cfb\u7d71\u53ef\u80fd\u6703\u4e3b\u52d5\u7d42\u6b62\u67d0\u4e9b\u67e5\u8a62\u4ee5\u91cb\u653e\u8cc7\u6e90\uff0c\u9019\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9%e9%8c%af%e8%aa%a4%e4%bb%a3%e7%a2%bc-57014-KnhfPLgzxc\">\u5982\u4f55\u4fee\u5fa9\u932f\u8aa4\u4ee3\u78bc 57014<\/h2>\n<p>\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc 57014 \u7684\u65b9\u6cd5\u53d6\u6c7a\u65bc\u5177\u9ad4\u7684\u539f\u56e0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%9f%a5%e8%a9%a2%e7%9a%84%e5%9f%b7%e8%a1%8c%e6%99%82%e9%96%93-KnhfPLgzxc\">1. \u6aa2\u67e5\u67e5\u8a62\u7684\u57f7\u884c\u6642\u9593<\/h3>\n<p>\u5982\u679c\u67e5\u8a62\u7d93\u5e38\u8d85\u904e\u9810\u8a2d\u7684\u8d85\u6642\u9650\u5236\uff0c\u53ef\u4ee5\u8003\u616e\u8abf\u6574\u8d85\u6642\u8a2d\u7f6e\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u547d\u4ee4\u4f86\u6aa2\u67e5\u548c\u8a2d\u7f6e\u67e5\u8a62\u8d85\u6642\uff1a<\/p>\n<pre><code>SHOW statement_timeout;  -- \u6aa2\u67e5\u7576\u524d\u8d85\u6642\u8a2d\u7f6e\nSET statement_timeout = '5min';  -- \u5c07\u8d85\u6642\u8a2d\u7f6e\u70ba 5 \u5206\u9418\n<\/code><\/pre>\n<h3 id=\"2-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd-KnhfPLgzxc\">2. \u512a\u5316\u67e5\u8a62\u6027\u80fd<\/h3>\n<p>\u5982\u679c\u67e5\u8a62\u57f7\u884c\u6642\u9593\u904e\u9577\uff0c\u53ef\u80fd\u9700\u8981\u5c0d\u67e5\u8a62\u9032\u884c\u512a\u5316\u3002\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u7d22\u5f15\u4f86\u52a0\u901f\u67e5\u8a62\u3002<\/li>\n<li>\u907f\u514d\u4f7f\u7528\u4e0d\u5fc5\u8981\u7684 JOIN \u64cd\u4f5c\u3002<\/li>\n<li>\u6aa2\u67e5\u67e5\u8a62\u8a08\u5283\uff0c\u4f7f\u7528 <code>EXPLAIN<\/code> \u547d\u4ee4\u4f86\u5206\u6790\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\u3002<\/li>\n<\/ul>\n<h3 id=\"3-%e7%9b%a3%e6%8e%a7%e7%b3%bb%e7%b5%b1%e8%b3%87%e6%ba%90-KnhfPLgzxc\">3. \u76e3\u63a7\u7cfb\u7d71\u8cc7\u6e90<\/h3>\n<p>\u78ba\u4fdd\u7cfb\u7d71\u6709\u8db3\u5920\u7684\u8cc7\u6e90\u4f86\u57f7\u884c\u67e5\u8a62\u3002\u53ef\u4ee5\u4f7f\u7528\u7cfb\u7d71\u76e3\u63a7\u5de5\u5177\u4f86\u6aa2\u67e5 CPU\u3001\u5167\u5b58\u548c\u78c1\u789f I\/O \u7684\u4f7f\u7528\u60c5\u6cc1\u3002\u5982\u679c\u8cc7\u6e90\u4e0d\u8db3\uff0c\u8003\u616e\u5347\u7d1a\u786c\u9ad4\u6216\u512a\u5316\u5176\u4ed6\u6b63\u5728\u904b\u884c\u7684\u67e5\u8a62\u3002<\/p>\n<h3 id=\"4-%e6%aa%a2%e6%9f%a5%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f%e9%82%8f%e8%bc%af-KnhfPLgzxc\">4. \u6aa2\u67e5\u61c9\u7528\u7a0b\u5e8f\u908f\u8f2f<\/h3>\n<p>\u5982\u679c\u67e5\u8a62\u662f\u7531\u61c9\u7528\u7a0b\u5e8f\u89f8\u767c\u7684\uff0c\u6aa2\u67e5\u61c9\u7528\u7a0b\u5e8f\u7684\u908f\u8f2f\uff0c\u78ba\u4fdd\u4e0d\u6703\u5728\u4e0d\u5fc5\u8981\u7684\u60c5\u6cc1\u4e0b\u53d6\u6d88\u67e5\u8a62\u3002\u4f8b\u5982\uff0c\u907f\u514d\u5728\u7528\u6236\u754c\u9762\u4e2d\u8a2d\u7f6e\u904e\u65bc\u983b\u7e41\u7684\u67e5\u8a62\u53d6\u6d88\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-KnhfPLgzxc\">\u7e3d\u7d50<\/h2>\n<p>PostgreSQL \u932f\u8aa4\u4ee3\u78bc 57014 \u901a\u5e38\u662f\u7531\u65bc\u67e5\u8a62\u88ab\u624b\u52d5\u53d6\u6d88\u3001\u8d85\u6642\u6216\u7cfb\u7d71\u8cc7\u6e90\u4e0d\u8db3\u7b49\u539f\u56e0\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u67e5\u8a62\u7684\u57f7\u884c\u6642\u9593\u3001\u512a\u5316\u67e5\u8a62\u6027\u80fd\u3001\u76e3\u63a7\u7cfb\u7d71\u8cc7\u6e90\u4ee5\u53ca\u6aa2\u67e5\u61c9\u7528\u7a0b\u5e8f\u908f\u8f2f\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u4fee\u5fa9\u6b64\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u904b\u884c\u7684\u7528\u6236\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\u7cfb\u7d71\u8cc7\u6e90\u7684\u5145\u8db3\u548c\u67e5\u8a62\u7684\u9ad8\u6548\u57f7\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4fee\u5fa9 PostgreSQL \u932f\u8aa4\u4ee3\u78bc 57014 &#8211; query_canceled\uff0c\u4e26\u6709\u6548\u89e3\u6c7a\u67e5\u8a62\u88ab\u53d6\u6d88\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-179096","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179096","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=179096"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179096\/revisions"}],"predecessor-version":[{"id":179097,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179096\/revisions\/179097"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179096"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179096"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179096"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}