{"id":96934,"date":"2024-10-20T13:35:23","date_gmt":"2024-10-20T05:35:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96934\/"},"modified":"2024-10-20T13:35:24","modified_gmt":"2024-10-20T05:35:24","slug":"postgresql%e4%b8%bb%e5%be%9e%e8%a4%87%e8%a3%bd-%e9%82%8f%e8%bc%af%e8%a4%87%e8%a3%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96934\/","title":{"rendered":"PostgreSQL\u4e3b\u5f9e\u8907\u88fd-\u908f\u8f2f\u8907\u88fd"},"content":{"rendered":"<h1 id=\"postgresql%e4%b8%bb%e5%be%9e%e8%a4%87%e8%a3%bd-%e9%82%8f%e8%bc%af%e8%a4%87%e8%a3%bd-mLUXKUpQQJ\">PostgreSQL\u4e3b\u5f9e\u8907\u88fd-\u908f\u8f2f\u8907\u88fd<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u53ef\u7528\u6027\u548c\u53ef\u9760\u6027\u81f3\u95dc\u91cd\u8981\u3002PostgreSQL\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u958b\u6e90\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u8907\u88fd\u6280\u8853\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u6301\u4e45\u6027\u548c\u53ef\u7528\u6027\u3002\u5176\u4e2d\uff0c\u908f\u8f2f\u8907\u88fd\u662f\u4e00\u7a2e\u9748\u6d3b\u4e14\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u7279\u5225\u9069\u5408\u9700\u8981\u5728\u4e0d\u540c\u6578\u64da\u5eab\u4e4b\u9593\u540c\u6b65\u6578\u64da\u7684\u5834\u666f\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e9%82%8f%e8%bc%af%e8%a4%87%e8%a3%bd%ef%bc%9f-mLUXKUpQQJ\">\u4ec0\u9ebc\u662f\u908f\u8f2f\u8907\u88fd\uff1f<\/h2>\n<p>\u908f\u8f2f\u8907\u88fd\u662fPostgreSQL\u7684\u4e00\u7a2e\u8907\u88fd\u65b9\u5f0f\uff0c\u5141\u8a31\u7528\u6236\u9078\u64c7\u6027\u5730\u8907\u88fd\u6578\u64da\u5eab\u4e2d\u7684\u7279\u5b9a\u8868\u6216\u6578\u64da\u3002\u8207\u7269\u7406\u8907\u88fd\u4e0d\u540c\uff0c\u7269\u7406\u8907\u88fd\u662f\u57fa\u65bc\u6574\u500b\u6578\u64da\u5eab\u7684\u4e8c\u9032\u5236\u6587\u4ef6\u9032\u884c\u7684\uff0c\u908f\u8f2f\u8907\u88fd\u5247\u662f\u57fa\u65bcSQL\u8a9e\u53e5\u9032\u884c\u7684\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u66f4\u5177\u9748\u6d3b\u6027\u3002<\/p>\n<h2 id=\"%e9%82%8f%e8%bc%af%e8%a4%87%e8%a3%bd%e7%9a%84%e5%84%aa%e5%8b%a2-mLUXKUpQQJ\">\u908f\u8f2f\u8907\u88fd\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u9078\u64c7\u6027\u8907\u88fd\uff1a<\/strong>\u7528\u6236\u53ef\u4ee5\u9078\u64c7\u8981\u8907\u88fd\u7684\u7279\u5b9a\u8868\uff0c\u800c\u4e0d\u662f\u6574\u500b\u6578\u64da\u5eab\u3002<\/li>\n<li><strong>\u8de8\u7248\u672c\u8907\u88fd\uff1a<\/strong>\u908f\u8f2f\u8907\u88fd\u5141\u8a31\u5728\u4e0d\u540c\u7248\u672c\u7684PostgreSQL\u4e4b\u9593\u9032\u884c\u6578\u64da\u540c\u6b65\u3002<\/li>\n<li><strong>\u6578\u64da\u8f49\u63db\uff1a<\/strong>\u5728\u8907\u88fd\u904e\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u5c0d\u6578\u64da\u9032\u884c\u8f49\u63db\u548c\u904e\u6ffe\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%82%8f%e8%bc%af%e8%a4%87%e8%a3%bd%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-mLUXKUpQQJ\">\u908f\u8f2f\u8907\u88fd\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u908f\u8f2f\u8907\u88fd\u7684\u5be6\u73fe\u4e3b\u8981\u4f9d\u8cf4\u65bc\u4ee5\u4e0b\u5e7e\u500b\u6982\u5ff5\uff1a<\/p>\n<ul>\n<li><strong>\u767c\u5e03\uff08Publication\uff09\uff1a<\/strong>\u767c\u5e03\u662f\u4e00\u500b\u5b9a\u7fa9\u4e86\u54ea\u4e9b\u8868\u5c07\u88ab\u8907\u88fd\u7684\u5c0d\u8c61\u3002\u7528\u6236\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u6216\u591a\u500b\u767c\u5e03\uff0c\u4e26\u6307\u5b9a\u8981\u5305\u542b\u7684\u8868\u3002<\/li>\n<li><strong>\u8a02\u95b1\uff08Subscription\uff09\uff1a<\/strong>\u8a02\u95b1\u662f\u7528\u65bc\u63a5\u6536\u4f86\u81ea\u767c\u5e03\u7684\u6578\u64da\u7684\u5c0d\u8c61\u3002\u6bcf\u500b\u8a02\u95b1\u90fd\u6703\u9023\u63a5\u5230\u4e00\u500b\u767c\u5e03\uff0c\u4e26\u5f9e\u4e2d\u7372\u53d6\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%ae%e9%82%8f%e8%bc%af%e8%a4%87%e8%a3%bd-mLUXKUpQQJ\">\u5982\u4f55\u8a2d\u7f6e\u908f\u8f2f\u8907\u88fd<\/h2>\n<p>\u4ee5\u4e0b\u662f\u8a2d\u7f6ePostgreSQL\u908f\u8f2f\u8907\u88fd\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e9%85%8d%e7%bd%ae%e4%b8%bb%e4%bc%ba%e6%9c%8d%e5%99%a8-mLUXKUpQQJ\">1. \u914d\u7f6e\u4e3b\u4f3a\u670d\u5668<\/h3>\n<p>\u5728\u4e3b\u4f3a\u670d\u5668\u4e0a\uff0c\u9996\u5148\u9700\u8981\u555f\u7528\u908f\u8f2f\u8907\u88fd\u529f\u80fd\u3002\u7de8\u8f2fPostgreSQL\u7684\u914d\u7f6e\u6587\u4ef6\uff08\u901a\u5e38\u662fpostgresql.conf\uff09\uff0c\u4e26\u78ba\u4fdd\u4ee5\u4e0b\u53c3\u6578\u88ab\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>wal_level = logical\nmax_replication_slots = 4\nmax_wal_senders = 4<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u91cd\u555fPostgreSQL\u670d\u52d9\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\u3002<\/p>\n<h3 id=\"2-%e5%89%b5%e5%bb%ba%e7%99%bc%e5%b8%83-mLUXKUpQQJ\">2. \u5275\u5efa\u767c\u5e03<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0bSQL\u547d\u4ee4\u5275\u5efa\u4e00\u500b\u767c\u5e03\uff1a<\/p>\n<pre><code>CREATE PUBLICATION my_publication FOR TABLE my_table;<\/code><\/pre>\n<h3 id=\"3-%e9%85%8d%e7%bd%ae%e5%be%9e%e4%bc%ba%e6%9c%8d%e5%99%a8-mLUXKUpQQJ\">3. \u914d\u7f6e\u5f9e\u4f3a\u670d\u5668<\/h3>\n<p>\u5728\u5f9e\u4f3a\u670d\u5668\u4e0a\uff0c\u9996\u5148\u9700\u8981\u8a2d\u7f6e\u9023\u63a5\u5230\u4e3b\u4f3a\u670d\u5668\u7684\u53c3\u6578\u3002\u7136\u5f8c\uff0c\u4f7f\u7528\u4ee5\u4e0bSQL\u547d\u4ee4\u5275\u5efa\u8a02\u95b1\uff1a<\/p>\n<pre><code>CREATE SUBSCRIPTION my_subscription\nCONNECTION 'host=\u4e3b\u4f3a\u670d\u5668IP dbname=\u6578\u64da\u5eab\u540d user=\u7528\u6236\u540d password=\u5bc6\u78bc'\nPUBLICATION my_publication;<\/code><\/pre>\n<h2 id=\"%e7%9b%a3%e6%8e%a7%e5%92%8c%e7%b6%ad%e8%ad%b7-mLUXKUpQQJ\">\u76e3\u63a7\u548c\u7dad\u8b77<\/h2>\n<p>\u8a2d\u7f6e\u5b8c\u6210\u5f8c\uff0c\u76e3\u63a7\u908f\u8f2f\u8907\u88fd\u7684\u72c0\u614b\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u67e5\u8a62\u4f86\u6aa2\u67e5\u8a02\u95b1\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>SELECT * FROM pg_stat_subscription;<\/code><\/pre>\n<p>\u9019\u5c07\u986f\u793a\u6709\u95dc\u8a02\u95b1\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u5305\u62ec\u63a5\u6536\u7684\u4e8b\u52d9\u6578\u91cf\u548c\u5ef6\u9072\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-mLUXKUpQQJ\">\u7d50\u8ad6<\/h2>\n<p>\u908f\u8f2f\u8907\u88fd\u70baPostgreSQL\u7528\u6236\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9748\u6d3b\u4e14\u9ad8\u6548\u7684\u6578\u64da\u540c\u6b65\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u5408\u7406\u914d\u7f6e\u548c\u76e3\u63a7\uff0c\u4f01\u696d\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u9ad8\u53ef\u7528\u6027\u548c\u4e00\u81f4\u6027\u3002\u96a8\u8457\u6578\u64da\u9700\u6c42\u7684\u589e\u9577\uff0c\u908f\u8f2f\u8907\u88fd\u5c07\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u626e\u6f14\u8d8a\u4f86\u8d8a\u91cd\u8981\u7684\u89d2\u8272\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684PostgreSQL\u6578\u64da\u5eab\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22PostgreSQL\u4e3b\u5f9e\u8907\u88fd\u4e2d\u7684\u908f\u8f2f\u8907\u88fd\u6280\u8853\uff0c\u5be6\u73fe\u6578\u64da\u540c\u6b65\u8207\u9ad8\u53ef\u7528\u6027\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\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-96934","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96934","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=96934"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96934\/revisions"}],"predecessor-version":[{"id":96935,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96934\/revisions\/96935"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96934"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96934"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96934"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}