{"id":96896,"date":"2024-10-20T13:16:21","date_gmt":"2024-10-20T05:16:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96896\/"},"modified":"2024-10-20T13:16:22","modified_gmt":"2024-10-20T05:16:22","slug":"postgresql%e5%ae%89%e8%a3%9d%e5%8f%8astreaming-replication%e9%85%8d%e7%bd%ae%e8%a9%b3%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96896\/","title":{"rendered":"PostgreSQL\u5b89\u88dd\u53caStreaming Replication\u914d\u7f6e\u8a73\u89e3"},"content":{"rendered":"<h1 id=\"postgresql%e5%ae%89%e8%a3%9d%e5%8f%8astreaming-replication%e9%85%8d%e7%bd%ae%e8%a9%b3%e8%a7%a3-fAUzwdemsc\">PostgreSQL\u5b89\u88dd\u53caStreaming Replication\u914d\u7f6e\u8a73\u89e3<\/h1>\n<p>PostgreSQL\u662f\u4e00\u6b3e\u529f\u80fd\u5f37\u5927\u7684\u958b\u6e90\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u696d\u52d9\u5834\u666f\u4e2d\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39PostgreSQL\u7684\u5b89\u88dd\u904e\u7a0b\u53ca\u5176Streaming Replication\u7684\u914d\u7f6e\uff0c\u5e6b\u52a9\u7528\u6236\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u66f4\u597d\u5730\u5229\u7528\u9019\u4e00\u6578\u64da\u5eab\u7cfb\u7d71\u3002<\/p>\n<h2 id=\"%e4%b8%80%e3%80%81postgresql%e5%ae%89%e8%a3%9d-fAUzwdemsc\">\u4e00\u3001PostgreSQL\u5b89\u88dd<\/h2>\n<h3 id=\"1-%e7%b3%bb%e7%b5%b1%e8%a6%81%e6%b1%82-fAUzwdemsc\">1. \u7cfb\u7d71\u8981\u6c42<\/h3>\n<p>\u5728\u5b89\u88ddPostgreSQL\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u78ba\u4fdd\u7cfb\u7d71\u6eff\u8db3\u4ee5\u4e0b\u8981\u6c42\uff1a<\/p>\n<ul>\n<li>\u64cd\u4f5c\u7cfb\u7d71\uff1a\u652f\u6301Linux\u3001Windows\u53camacOS\u7b49\u591a\u7a2e\u64cd\u4f5c\u7cfb\u7d71\u3002<\/li>\n<li>\u5167\u5b58\uff1a\u81f3\u5c11512MB\uff0c\u5efa\u8b701GB\u4ee5\u4e0a\u3002<\/li>\n<li>\u78c1\u789f\u7a7a\u9593\uff1a\u6839\u64da\u6578\u64da\u91cf\u9700\u6c42\uff0c\u5efa\u8b70\u81f3\u5c1110GB\u7684\u53ef\u7528\u7a7a\u9593\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e5%ae%89%e8%a3%9d%e6%ad%a5%e9%a9%9f-fAUzwdemsc\">2. \u5b89\u88dd\u6b65\u9a5f<\/h3>\n<p>\u4ee5\u4e0b\u4ee5Ubuntu\u7cfb\u7d71\u70ba\u4f8b\uff0c\u4ecb\u7d39PostgreSQL\u7684\u5b89\u88dd\u6b65\u9a5f\uff1a<\/p>\n<pre><code>sudo apt update\nsudo apt install postgresql postgresql-contrib<\/code><\/pre>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6aa2\u67e5PostgreSQL\u7684\u72c0\u614b\uff1a<\/p>\n<pre><code>sudo systemctl status postgresql<\/code><\/pre>\n<h2 id=\"%e4%ba%8c%e3%80%81%e9%85%8d%e7%bd%aepostgresql-fAUzwdemsc\">\u4e8c\u3001\u914d\u7f6ePostgreSQL<\/h2>\n<h3 id=\"1-%e8%a8%ad%e5%ae%9a%e7%94%a8%e6%88%b6%e5%92%8c%e6%95%b8%e6%93%9a%e5%ba%ab-fAUzwdemsc\">1. \u8a2d\u5b9a\u7528\u6236\u548c\u6578\u64da\u5eab<\/h3>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u9ed8\u8a8d\u6703\u5275\u5efa\u4e00\u500b\u540d\u70ba\u201cpostgres\u201d\u7684\u7528\u6236\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u9032\u5165PostgreSQL\u547d\u4ee4\u884c\u754c\u9762\uff1a<\/p>\n<pre><code>sudo -u postgres psql<\/code><\/pre>\n<p>\u5728\u547d\u4ee4\u884c\u4e2d\uff0c\u53ef\u4ee5\u5275\u5efa\u65b0\u7684\u7528\u6236\u548c\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>CREATE USER myuser WITH PASSWORD 'mypassword';\nCREATE DATABASE mydb OWNER myuser;<\/code><\/pre>\n<h3 id=\"2-%e9%85%8d%e7%bd%aepg_hba-conf-fAUzwdemsc\">2. \u914d\u7f6epg_hba.conf<\/h3>\n<p>\u70ba\u4e86\u5141\u8a31\u9060\u7a0b\u9023\u63a5\uff0c\u9700\u8981\u7de8\u8f2fpg_hba.conf\u6587\u4ef6\u3002\u8a72\u6587\u4ef6\u901a\u5e38\u4f4d\u65bc\/etc\/postgresql\/{version}\/main\/pg_hba.conf\u3002\u6dfb\u52a0\u4ee5\u4e0b\u884c\u4ee5\u5141\u8a31\u7279\u5b9aIP\u7684\u9023\u63a5\uff1a<\/p>\n<pre><code>host    all             all             192.168.1.0\/24          md5<\/code><\/pre>\n<h3 id=\"3-%e9%85%8d%e7%bd%aepostgresql-conf-fAUzwdemsc\">3. \u914d\u7f6epostgresql.conf<\/h3>\n<p>\u5728postgresql.conf\u6587\u4ef6\u4e2d\uff0c\u8a2d\u7f6e\u4ee5\u4e0b\u53c3\u6578\u4ee5\u5141\u8a31\u9060\u7a0b\u9023\u63a5\uff1a<\/p>\n<pre><code>listen_addresses = '*'<\/code><\/pre>\n<p>\u5b8c\u6210\u5f8c\uff0c\u91cd\u555fPostgreSQL\u670d\u52d9\u4ee5\u4f7f\u66f4\u6539\u751f\u6548\uff1a<\/p>\n<pre><code>sudo systemctl restart postgresql<\/code><\/pre>\n<h2 id=\"%e4%b8%89%e3%80%81streaming-replication%e9%85%8d%e7%bd%ae-fAUzwdemsc\">\u4e09\u3001Streaming Replication\u914d\u7f6e<\/h2>\n<h3 id=\"1-%e4%b8%bb%e5%be%9e%e6%9e%b6%e6%a7%8b%e6%a6%82%e8%bf%b0-fAUzwdemsc\">1. \u4e3b\u5f9e\u67b6\u69cb\u6982\u8ff0<\/h3>\n<p>Streaming Replication\u662f\u4e00\u7a2e\u6578\u64da\u5eab\u8907\u88fd\u6280\u8853\uff0c\u5141\u8a31\u5c07\u4e3b\u6578\u64da\u5eab\u7684\u6578\u64da\u5be6\u6642\u8907\u88fd\u5230\u5f9e\u6578\u64da\u5eab\u3002\u9019\u5c0d\u65bc\u63d0\u9ad8\u6578\u64da\u7684\u53ef\u7528\u6027\u548c\u5bb9\u932f\u6027\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<h3 id=\"2-%e4%b8%bb%e6%9c%8d%e5%8b%99%e5%99%a8%e9%85%8d%e7%bd%ae-fAUzwdemsc\">2. \u4e3b\u670d\u52d9\u5668\u914d\u7f6e<\/h3>\n<p>\u5728\u4e3b\u670d\u52d9\u5668\u4e0a\uff0c\u7de8\u8f2fpostgresql.conf\u6587\u4ef6\uff0c\u555f\u7528\u4ee5\u4e0b\u53c3\u6578\uff1a<\/p>\n<pre><code>wal_level = replica\nmax_wal_senders = 3\nwal_keep_segments = 64<\/code><\/pre>\n<p>\u7136\u5f8c\uff0c\u7de8\u8f2fpg_hba.conf\u6587\u4ef6\uff0c\u6dfb\u52a0\u5f9e\u670d\u52d9\u5668\u7684IP\u5730\u5740\u4ee5\u5141\u8a31\u5176\u9023\u63a5\uff1a<\/p>\n<pre><code>host    replication     all             192.168.1.100\/32        md5<\/code><\/pre>\n<h3 id=\"3-%e5%be%9e%e6%9c%8d%e5%8b%99%e5%99%a8%e9%85%8d%e7%bd%ae-fAUzwdemsc\">3. \u5f9e\u670d\u52d9\u5668\u914d\u7f6e<\/h3>\n<p>\u5728\u5f9e\u670d\u52d9\u5668\u4e0a\uff0c\u9996\u5148\u9700\u8981\u5275\u5efa\u4e00\u500b\u57fa\u65bc\u4e3b\u670d\u52d9\u5668\u7684\u5099\u4efd\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>pg_basebackup -h \u4e3b\u670d\u52d9\u5668IP -D \/var\/lib\/postgresql\/12\/main -U myuser -P --wal-method=stream<\/code><\/pre>\n<p>\u63a5\u8457\uff0c\u5728\u5f9e\u670d\u52d9\u5668\u7684data\u76ee\u9304\u4e2d\u5275\u5efa\u4e00\u500b\u540d\u70barecovery.conf\u7684\u6587\u4ef6\uff0c\u4e26\u6dfb\u52a0\u4ee5\u4e0b\u5167\u5bb9\uff1a<\/p>\n<pre><code>standby_mode = 'on'\nprimary_conninfo = 'host=\u4e3b\u670d\u52d9\u5668IP port=5432 user=myuser password=mypassword'\ntrigger_file = '\/tmp\/postgresql.trigger.5432'<\/code><\/pre>\n<h3 id=\"4-%e5%95%9f%e5%8b%95%e5%be%9e%e6%9c%8d%e5%8b%99%e5%99%a8-fAUzwdemsc\">4. \u555f\u52d5\u5f9e\u670d\u52d9\u5668<\/h3>\n<p>\u5b8c\u6210\u914d\u7f6e\u5f8c\uff0c\u555f\u52d5\u5f9e\u670d\u52d9\u5668\u7684PostgreSQL\u670d\u52d9\uff1a<\/p>\n<pre><code>sudo systemctl start postgresql<\/code><\/pre>\n<p>\u6b64\u6642\uff0c\u5f9e\u670d\u52d9\u5668\u61c9\u8a72\u80fd\u5920\u6210\u529f\u9023\u63a5\u5230\u4e3b\u670d\u52d9\u5668\u4e26\u958b\u59cb\u63a5\u6536\u6578\u64da\u6d41\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-fAUzwdemsc\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u8a73\u7d30\u4ecb\u7d39\u4e86PostgreSQL\u7684\u5b89\u88dd\u53caStreaming Replication\u7684\u914d\u7f6e\u904e\u7a0b\u3002\u900f\u904e\u9019\u4e9b\u6b65\u9a5f\uff0c\u7528\u6236\u53ef\u4ee5\u6709\u6548\u5730\u8a2d\u7f6e\u548c\u7ba1\u7406PostgreSQL\u6578\u64da\u5eab\uff0c\u4e26\u5be6\u73fe\u6578\u64da\u7684\u9ad8\u53ef\u7528\u6027\u3002\u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u652f\u6301\u6216\u5c0b\u627e\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u8a0ePostgreSQL\u5b89\u88dd\u53caStreaming Replication\u914d\u7f6e\uff0c\u63d0\u4f9b\u8a73\u7d30\u6b65\u9a5f\u8207\u6700\u4f73\u5be6\u8e10\uff0c\u52a9\u60a8\u8f15\u9b06\u642d\u5efa\u9ad8\u53ef\u7528\u6027\u6578\u64da\u5eab\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-96896","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96896","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=96896"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96896\/revisions"}],"predecessor-version":[{"id":96897,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96896\/revisions\/96897"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96896"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}