{"id":41840,"date":"2023-08-22T08:31:26","date_gmt":"2023-01-23T07:31:01","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8postgresql9-5%e9%85%8d%e7%bd%ae%e7%ba%a7%e8%81%94%e5%a4%8d%e5%88%b6%e3%80%82\/"},"modified":"2024-04-30T19:37:23","modified_gmt":"2024-04-30T11:37:23","slug":"%e4%bd%bf%e7%94%a8postgresql9-5%e9%85%8d%e7%bd%ae%e7%ba%a7%e8%81%94%e5%a4%8d%e5%88%b6%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8postgresql9-5%e9%85%8d%e7%bd%ae%e7%ba%a7%e8%81%94%e5%a4%8d%e5%88%b6%e3%80%82\/","title":{"rendered":"\u4f7f\u7528PostgreSQL9.5\u914d\u7f6e\u7ea7\u8054\u590d\u5236"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u7ee7\u7eedMySQL\u4e4b\u540e\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u5728PostgreSQL\u4e2d\u914d\u7f6e\u76f8\u540c\u7684\u590d\u5236\u3002<\/p>\n<p>\u5728MySQL\u4e2d\uff0cchained replication\u88ab\u79f0\u4e3aPostgreSQL\u4e2d\u7684cascading replication\u3002<\/p>\n<p>\u5373\u662f\u6307<br \/>\n\u4e3b\u8282\u70b9 -&gt; \u4ece\u8282\u70b91 -&gt; \u4ece\u8282\u70b92<br \/>\n\u7684\u914d\u7f6e\u3002<\/p>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cSlave 1\u4e5f\u662fSlave 2\u7684\u4e3b\u8282\u70b9\u3002<\/p>\n<h1>\u7279\u522b\u4e8b\u9879<\/h1>\n<p>\u901a\u8fc7\u5728slave1\u548cslave2\u4e0a\u6267\u884c\u5e38\u89c4\u7684\u590d\u5236\u6784\u5efa\u6b65\u9aa4\uff0c\u53ef\u4ee5\u5b9e\u73b0\u7ea7\u8054\u590d\u5236\u3002\u4f46\u662f\uff0c\u5982\u679c\u76f4\u63a5\u5c06slave1\u664b\u5347\u4e3amaster\uff0c\u90a3\u4e48slave1-&gt;slave2\u7684\u590d\u5236\u5c06\u505c\u6b62\u3002<\/p>\n<p>\u7531\u4e8eslave1\u664b\u5347\u65f6TimeLineID\u4f1a\u589e\u52a0\uff0c\u5bfc\u81f4\u4e0eslave2\u7684TimeLineID\u4ea7\u751f\u5dee\u5f02\u3002<\/p>\n<p>\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\u53d1\u751f\uff0c\u9700\u8981\u5728slave\u7684recovery.conf\u4e2d\u6dfb\u52a0\u989d\u5916\u7684\u8bbe\u7f6e\u3002<\/p>\n<h1>\u524d\u63d0 t\u00ed) &#8211; premise, assumption, prerequisite<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">PostgreSQL9.5<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff08\u30b9\u30ec\u30fc\u30d6\u975e\u540c\u671f\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u7528\u30e6\u30fc\u30b6\uff1areplicator<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5404\u30ce\u30fc\u30c9\u306f\u5168\u3066192.168.1.0\/24\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u6240\u5c5e<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Ubuntu16.04<\/ul>\n<h1>\u5fc5\u8981\u7684\u8bbe\u7f6e (b\u00ec de sh\u00e8 zh\u00ec)<\/h1>\n<h2>\u5171\u901a []<\/h2>\n<h3>postgresql.conf \u89e6\u53d1\u5668_settings_customize.sql_file\u3002<\/h3>\n<pre class=\"post-pre\"><code>wal_level <span class=\"o\">=<\/span> hot_standby\r\nsynchronous_commit <span class=\"o\">=<\/span> <span class=\"nb\">local<\/span> <span class=\"c\">#\u30b9\u30ec\u30fc\u30d6\u975e\u540c\u671f<\/span>\r\nmax_wal_senders <span class=\"o\">=<\/span> 2 <span class=\"c\">#1\u4ee5\u4e0a\u3001slave\u306e\u6570+1<\/span>\r\nwal_keep_segments <span class=\"o\">=<\/span> 8 <span class=\"c\">#\u4efb\u610f<\/span>\r\n<\/code><\/pre>\n<h3>pg_hba.conf (PG Host-Based Authentication Configuration file) \u5728\u4e2d\u56fd\u672c\u5730\u5316\u88ab\u79f0\u4e3a &#8220;\u4e3b\u673a\u8eab\u4efd\u9a8c\u8bc1\u914d\u7f6e\u6587\u4ef6&#8221;\u3002<\/h3>\n<pre class=\"post-pre\"><code>host    replication     replicator      192.168.1.0\/24           trust <span class=\"c\">#\u5fc5\u8981\u306b\u5fdc\u3058\u3066md5<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u8fdb\u884c\u57fa\u672c\u5907\u4efd\u65f6\uff0cMD5\u5c06\u8981\u6c42\u8f93\u5165replicator\u7528\u6237\u7684\u5bc6\u7801\u3002<\/p>\n<h3>\u7531postgres\u7528\u6237\u8fdb\u884c\u516c\u94a5\u8ba4\u8bc1\u8bbe\u7f6e\u3002<\/h3>\n<p>\u6211\u5c06\u7701\u7565\u8be6\u7ec6\u6b65\u9aa4\u3002<br \/>\n\u6211\u4eec\u5c06\u786e\u4fdd\u6240\u6709\u8282\u70b9\u90fd\u5141\u8bb8postgres\u7528\u6237\u4f7f\u7528\u516c\u94a5\u8ba4\u8bc1\u8fdb\u884cssh\u767b\u5f55\u3002<\/p>\n<h2>\u5e08\u5085<\/h2>\n<h3>\u521b\u5efa\u7528\u4e8e\u590d\u5236\u7684\u7528\u6237<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nv\">postgres<\/span><span class=\"o\">=<\/span><span class=\"c\"># create user replicator replication password 'replicator';<\/span>\r\n<\/code><\/pre>\n<h2>\u5974\u96b6\u4e00\u53f7<\/h2>\n<h3>\u505c\u4e0b PostgreSQL<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">sudo <\/span>service postgresql stop\r\n<\/code><\/pre>\n<h3>\u57fa\u672c\u5907\u4efd<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">sudo <\/span>su - postgres\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">mv<\/span> \/var\/lib\/postgresql\/9.5\/main \/var\/lib\/postgresql\/9.5\/main.org\r\n<span class=\"nv\">$ <\/span>pg_basebackup <span class=\"nt\">-U<\/span> replicator <span class=\"nt\">-h<\/span> MASTER_IP <span class=\"nt\">-D<\/span> \/var\/lib\/postgresql\/9.5\/main <span class=\"nt\">--xlog<\/span> <span class=\"nt\">--progress<\/span> <span class=\"nt\">--verbose<\/span>\r\n<\/code><\/pre>\n<h3>\u521b\u5efarecovery.conf\u6587\u4ef6<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">sudo <\/span>su - postgres\r\n<span class=\"nv\">$ <\/span>vi \/var\/lib\/postgresql\/9.5\/main\/recovery.conf\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>standby_mode <span class=\"o\">=<\/span> <span class=\"s1\">'on'<\/span>\r\nprimary_conninfo <span class=\"o\">=<\/span> <span class=\"s1\">'user=replicator password=replicator host= MASTER_IP'<\/span>\r\ntrigger_file <span class=\"o\">=<\/span> <span class=\"s1\">'\/var\/lib\/postgresql\/9.5\/main\/failover'<\/span>\r\n<span class=\"nv\">recovery_target_timeline<\/span><span class=\"o\">=<\/span><span class=\"s1\">'latest'<\/span>\r\nrestore_command <span class=\"o\">=<\/span> <span class=\"s1\">'scp MASTER_IP:\/var\/lib\/postgresql\/9.5\/main\/pg_xlog\/%f %p 2&gt; \/dev\/null'<\/span>\r\n<\/code><\/pre>\n<h3>\u542f\u52a8PostgreSQL<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">sudo <\/span>service postgresql start\r\n<\/code><\/pre>\n<h2>\u5974\u96b62<\/h2>\n<h3>\u505c\u6b62 PostgreSQL<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">sudo <\/span>service postgresql stop\r\n<\/code><\/pre>\n<h3>\u5907\u4efd\u57fa\u7840<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">sudo <\/span>su - postgres\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">mv<\/span> \/var\/lib\/postgresql\/9.5\/main \/var\/lib\/postgresql\/9.5\/main.org\r\n<span class=\"nv\">$ <\/span>pg_basebackup <span class=\"nt\">-U<\/span> replicator <span class=\"nt\">-h<\/span> SLAVE1_IP <span class=\"nt\">-D<\/span> \/var\/lib\/postgresql\/9.5\/main <span class=\"nt\">--xlog<\/span> <span class=\"nt\">--progress<\/span> <span class=\"nt\">--verbose<\/span>\r\n<\/code><\/pre>\n<h3>\u521b\u5efarecovery.conf\u6587\u4ef6<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">sudo <\/span>su - postgres\r\n<span class=\"nv\">$ <\/span>vi \/var\/lib\/postgresql\/9.5\/main\/recovery.conf\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>standby_mode <span class=\"o\">=<\/span> <span class=\"s1\">'on'<\/span>\r\nprimary_conninfo <span class=\"o\">=<\/span> <span class=\"s1\">'user=replicator password=replicator host= MASTER_IP'<\/span>\r\ntrigger_file <span class=\"o\">=<\/span> <span class=\"s1\">'\/var\/lib\/postgresql\/9.5\/main\/failover'<\/span>\r\n<span class=\"nv\">recovery_target_timeline<\/span><span class=\"o\">=<\/span><span class=\"s1\">'latest'<\/span>\r\nrestore_command <span class=\"o\">=<\/span> <span class=\"s1\">'scp SLAVE1_IP:\/var\/lib\/postgresql\/9.5\/main\/pg_xlog\/%f %p 2&gt; \/dev\/null'<\/span>\r\n<\/code><\/pre>\n<h3>\u542f\u52a8PostgreSQL<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">sudo <\/span>service postgresql start\r\n<\/code><\/pre>\n<h2>\u590d\u5236\u786e\u8ba4<\/h2>\n<h3>\u5e08\u5085\uff0c\u5974\u96b61<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">sudo<\/span> <span class=\"nt\">-i<\/span> <span class=\"nt\">-u<\/span> postgres psql <span class=\"nt\">-x<\/span> <span class=\"nt\">-c<\/span> <span class=\"s1\">'SELECT * from pg_stat_replication;'<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>state            | streaming\r\n\u3067\u3042\u308c\u3070\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u6b63\u5e38\u306b\u884c\u306a\u308f\u308c\u3066\u3044\u308b\r\n<\/code><\/pre>\n<h2>\u6545\u969c\u5207\u6362\uff08\u4e3b\u8282\u70b9\u664b\u5347\uff09<\/h2>\n<p>\u53ea\u9700\u6309\u7167recovery.conf\u6587\u4ef6\u4e2d\u6307\u5b9a\u7684\u89e6\u53d1\u5668\u6587\u4ef6\u521b\u5efa\u8be5\u6587\u4ef6\uff0c\u7136\u540e\u901a\u8fc7\u91cd\u65b0\u542f\u52a8postgresql\u5373\u53ef\u5b9e\u73b0\u4e3b\u670d\u52a1\u5668\u5347\u7ea7\u3002<\/p>\n<h3>\u5974\u96b61\u6216\u5974\u96b62<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span><span class=\"nb\">sudo <\/span>su - postgres\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">touch<\/span> \/var\/lib\/postgresql\/9.5\/main\/failover\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">exit<\/span>\r\n<span class=\"nv\">$ <\/span><span class=\"nb\">sudo <\/span>service postgresql restart \r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u7ee7\u7eedMySQL\u4e4b\u540e\uff0c\u6211\u4eec\u4e5f\u53ef\u4ee5\u5728PostgreSQL\u4e2d\u914d\u7f6e\u76f8\u540c\u7684\u590d\u5236\u3002 \u5728MySQL\u4e2d\uff0cchained  [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-41840","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4f7f\u7528PostgreSQL9.5\u914d\u7f6e\u7ea7\u8054\u590d\u5236 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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