{"id":96814,"date":"2024-10-20T12:35:17","date_gmt":"2024-10-20T04:35:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96814\/"},"modified":"2024-10-20T12:35:18","modified_gmt":"2024-10-20T04:35:18","slug":"postgresql-40003-%e8%aa%9e%e5%8f%a5%e5%ae%8c%e6%88%90%e6%9c%aa%e7%9f%a5-%e6%8a%a5%e9%94%99-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%a4%8d-%e8%bf%9c%e7%a8%8b%e5%a4%84%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96814\/","title":{"rendered":"PostgreSQL 40003: \u8a9e\u53e5\u5b8c\u6210\u672a\u77e5 \u62a5\u9519 \u6545\u969c\u4fee\u590d \u8fdc\u7a0b\u5904\u7406"},"content":{"rendered":"<h1 id=\"postgresql-40003-%e8%aa%9e%e5%8f%a5%e5%ae%8c%e6%88%90%e6%9c%aa%e7%9f%a5-%e6%8a%a5%e9%94%99-%e6%95%85%e9%9a%9c%e4%bf%ae%e5%a4%8d-%e8%bf%9c%e7%a8%8b%e5%a4%84%e7%90%86-VIalvKeUaO\">PostgreSQL 40003: \u8a9e\u53e5\u5b8c\u6210\u672a\u77e5 \u62a5\u9519 \u6545\u969c\u4fee\u590d \u8fdc\u7a0b\u5904\u7406<\/h1>\n<p>\u5728\u4f7f\u7528 PostgreSQL \u6570\u636e\u5e93\u65f6\uff0c\u7528\u6237\u53ef\u80fd\u4f1a\u9047\u5230\u5404\u79cd\u9519\u8bef\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u9519\u8bef\u4ee3\u7801 40003\u3002\u8fd9\u4e2a\u9519\u8bef\u901a\u5e38\u8868\u793a\u201c\u8a9e\u53e5\u5b8c\u6210\u672a\u77e5\u201d\uff0c\u8fd9\u610f\u5473\u7740\u6570\u636e\u5e93\u5728\u6267\u884c\u67d0\u4e2a SQL \u8bed\u53e5\u65f6\u9047\u5230\u4e86\u95ee\u9898\uff0c\u5bfc\u81f4\u65e0\u6cd5\u5b8c\u6210\u8be5\u8bed\u53e5\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u6b64\u9519\u8bef\u7684\u539f\u56e0\u3001\u89e3\u51b3\u65b9\u6848\u4ee5\u53ca\u5982\u4f55\u8fdb\u884c\u8fdc\u7a0b\u5904\u7406\u3002<\/p>\n<h2 id=\"%e9%94%99%e8%af%af%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-VIalvKeUaO\">\u9519\u8bef\u539f\u56e0\u5206\u6790<\/h2>\n<p>PostgreSQL \u7684\u9519\u8bef\u4ee3\u7801 40003 \u901a\u5e38\u4e0e\u4ee5\u4e0b\u51e0\u4e2a\u56e0\u7d20\u6709\u5173\uff1a<\/p>\n<ul>\n<li><strong>\u7f51\u7edc\u8fde\u63a5\u95ee\u9898\uff1a<\/strong>\u5982\u679c\u6570\u636e\u5e93\u4e0e\u5ba2\u6237\u7aef\u4e4b\u95f4\u7684\u7f51\u7edc\u8fde\u63a5\u4e0d\u7a33\u5b9a\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u8bed\u53e5\u65e0\u6cd5\u5b8c\u6210\u3002<\/li>\n<li><strong>SQL \u8bed\u6cd5\u9519\u8bef\uff1a<\/strong>\u5728\u7f16\u5199 SQL \u8bed\u53e5\u65f6\uff0c\u5982\u679c\u5b58\u5728\u8bed\u6cd5\u9519\u8bef\uff0c\u6570\u636e\u5e93\u5c06\u65e0\u6cd5\u6b63\u786e\u89e3\u6790\u5e76\u6267\u884c\u8be5\u8bed\u53e5\u3002<\/li>\n<li><strong>\u4e8b\u52a1\u5904\u7406\u95ee\u9898\uff1a<\/strong>\u5728\u4e8b\u52a1\u4e2d\uff0c\u5982\u679c\u67d0\u4e2a\u64cd\u4f5c\u5931\u8d25\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6574\u4e2a\u4e8b\u52a1\u56de\u6eda\uff0c\u4ece\u800c\u5f15\u53d1\u6b64\u9519\u8bef\u3002<\/li>\n<li><strong>\u8d44\u6e90\u9650\u5236\uff1a<\/strong>\u6570\u636e\u5e93\u670d\u52a1\u5668\u7684\u8d44\u6e90\uff08\u5982\u5185\u5b58\u3001CPU\uff09\u4e0d\u8db3\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u65e0\u6cd5\u5904\u7406\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%85%e9%9a%9c%e4%bf%ae%e5%a4%8d%e6%ad%a5%e9%aa%a4-VIalvKeUaO\">\u6545\u969c\u4fee\u590d\u6b65\u9aa4<\/h2>\n<p>\u5f53\u9047\u5230 PostgreSQL 40003 \u9519\u8bef\u65f6\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\u6545\u969c\u6392\u67e5\u548c\u4fee\u590d\uff1a<\/p>\n<h3 id=\"1-%e6%a3%80%e6%9f%a5%e7%bd%91%e7%bb%9c%e8%bf%9e%e6%8e%a5-VIalvKeUaO\">1. \u68c0\u67e5\u7f51\u7edc\u8fde\u63a5<\/h3>\n<p>\u9996\u5148\uff0c\u786e\u4fdd\u6570\u636e\u5e93\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u4e4b\u95f4\u7684\u7f51\u7edc\u8fde\u63a5\u6b63\u5e38\u3002\u53ef\u4ee5\u4f7f\u7528 ping \u547d\u4ee4\u6d4b\u8bd5\u8fde\u63a5\u7684\u7a33\u5b9a\u6027\uff1a<\/p>\n<pre><code>ping your_database_server_ip<\/code><\/pre>\n<h3 id=\"2-%e9%aa%8c%e8%af%81-sql-%e8%af%ad%e6%b3%95-VIalvKeUaO\">2. \u9a8c\u8bc1 SQL \u8bed\u6cd5<\/h3>\n<p>\u68c0\u67e5 SQL \u8bed\u53e5\u7684\u8bed\u6cd5\u662f\u5426\u6b63\u786e\u3002\u53ef\u4ee5\u4f7f\u7528 PostgreSQL \u63d0\u4f9b\u7684\u5de5\u5177\uff0c\u5982 psql\uff0c\u6765\u6d4b\u8bd5 SQL \u8bed\u53e5\uff1a<\/p>\n<pre><code>psql -c \"YOUR_SQL_STATEMENT\"<\/code><\/pre>\n<h3 id=\"3-%e7%9b%91%e6%8e%a7%e4%ba%8b%e5%8a%a1%e7%8a%b6%e6%80%81-VIalvKeUaO\">3. \u76d1\u63a7\u4e8b\u52a1\u72b6\u6001<\/h3>\n<p>\u5982\u679c\u5728\u4e8b\u52a1\u4e2d\u9047\u5230\u6b64\u9519\u8bef\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u4e8b\u52a1\u7684\u72b6\u6001\uff1a<\/p>\n<pre><code>SELECT * FROM pg_stat_activity;<\/code><\/pre>\n<p>\u786e\u4fdd\u6ca1\u6709\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u4e8b\u52a1\u963b\u585e\u5176\u4ed6\u64cd\u4f5c\u3002<\/p>\n<h3 id=\"4-%e6%a3%80%e6%9f%a5%e8%b5%84%e6%ba%90%e4%bd%bf%e7%94%a8%e6%83%85%e5%86%b5-VIalvKeUaO\">4. \u68c0\u67e5\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u6570\u636e\u5e93\u670d\u52a1\u5668\u7684\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\uff1a<\/p>\n<pre><code>top<\/code><\/pre>\n<p>\u5982\u679c\u53d1\u73b0\u8d44\u6e90\u4f7f\u7528\u7387\u8fc7\u9ad8\uff0c\u53ef\u4ee5\u8003\u8651\u4f18\u5316\u67e5\u8be2\u6216\u589e\u52a0\u670d\u52a1\u5668\u8d44\u6e90\u3002<\/p>\n<h2 id=\"%e8%bf%9c%e7%a8%8b%e5%a4%84%e7%90%86%e5%bb%ba%e8%ae%ae-VIalvKeUaO\">\u8fdc\u7a0b\u5904\u7406\u5efa\u8bae<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u8fdc\u7a0b\u5904\u7406 PostgreSQL \u6570\u636e\u5e93\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528 SSH \u8fde\u63a5\uff1a<\/strong>\u901a\u8fc7 SSH \u8fde\u63a5\u5230\u6570\u636e\u5e93\u670d\u52a1\u5668\uff0c\u786e\u4fdd\u5b89\u5168\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/li>\n<li><strong>\u4f7f\u7528\u8fdc\u7a0b\u7ba1\u7406\u5de5\u5177\uff1a<\/strong>\u53ef\u4ee5\u4f7f\u7528 pgAdmin \u7b49\u5de5\u5177\u8fdb\u884c\u8fdc\u7a0b\u7ba1\u7406\uff0c\u65b9\u4fbf\u76d1\u63a7\u548c\u7ba1\u7406\u6570\u636e\u5e93\u3002<\/li>\n<li><strong>\u5b9a\u671f\u5907\u4efd\uff1a<\/strong>\u786e\u4fdd\u5b9a\u671f\u5907\u4efd\u6570\u636e\u5e93\uff0c\u4ee5\u9632\u6b62\u6570\u636e\u4e22\u5931\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%80%bb%e7%bb%93-VIalvKeUaO\">\u603b\u7ed3<\/h2>\n<p>PostgreSQL 40003 \u9519\u8bef\u901a\u5e38\u4e0e\u7f51\u7edc\u8fde\u63a5\u3001SQL \u8bed\u6cd5\u3001\u4e8b\u52a1\u5904\u7406\u548c\u8d44\u6e90\u9650\u5236\u7b49\u56e0\u7d20\u6709\u5173\u3002\u901a\u8fc7\u68c0\u67e5\u7f51\u7edc\u8fde\u63a5\u3001\u9a8c\u8bc1 SQL \u8bed\u6cd5\u3001\u76d1\u63a7\u4e8b\u52a1\u72b6\u6001\u548c\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6392\u67e5\u548c\u4fee\u590d\u6b64\u9519\u8bef\u3002\u5728\u8fdb\u884c\u8fdc\u7a0b\u5904\u7406\u65f6\uff0c\u4f7f\u7528 SSH \u8fde\u63a5\u548c\u8fdc\u7a0b\u7ba1\u7406\u5de5\u5177\u53ef\u4ee5\u63d0\u9ad8\u6548\u7387\u548c\u5b89\u5168\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u5173\u4e8e <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u548c\u6570\u636e\u5e93\u7ba1\u7406\u7684\u4fe1\u606f\uff0c\u8bf7\u8bbf\u95ee\u6211\u4eec\u7684\u5b98\u65b9\u7f51\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u51b3PostgreSQL 40003\u9519\u8bef\uff1a\u8bed\u53e5\u5b8c\u6210\u672a\u77e5\u7684\u6545\u969c\u4fee\u590d\u4e0e\u8fdc\u7a0b\u5904\u7406\u65b9\u6cd5\uff0c\u786e\u4fdd\u6570\u636e\u5e93\u7a33\u5b9a\u8fd0\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-96814","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96814","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=96814"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96814\/revisions"}],"predecessor-version":[{"id":96815,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96814\/revisions\/96815"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96814"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96814"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}