{"id":1074,"date":"2017-11-13T14:29:45","date_gmt":"2017-11-13T06:29:45","guid":{"rendered":"http:\/\/www.5x44.cn\/?p=1074"},"modified":"2017-11-20T16:46:10","modified_gmt":"2017-11-20T08:46:10","slug":"mysql-5-7-%e5%a4%9a%e6%ba%90%e5%a4%8d%e5%88%b6","status":"publish","type":"post","link":"https:\/\/www.5x44.cn\/?p=1074","title":{"rendered":"MySQL 5.7 \u591a\u6e90\u590d\u5236"},"content":{"rendered":"<h1>\u4e00\u3001\u6982\u8ff0<\/h1>\n<p>MySQL\u7684\u591a\u6e90\u590d\u5236\u5141\u8bb8\u5907\u673a\u4ece\u591a\u4e2a\u6e90\u540c\u65f6\u63a5\u6536\u4e8b\u52a1\u3002\u591a\u6e90\u590d\u5236\u7528\u4e8e\u5907\u4efd\u591a\u4e2a\u670d\u52a1\u5668\u7684\u6570\u636e\u5230\u4e00\u53f0\u670d\u52a1\u5668\uff0c\u8fc1\u79fb\u8868\u788e\u7247\u3001\u4ece\u591a\u4e2a\u6e90\u5408\u5e76\u6570\u636e\u5230\u4e00\u53f0\u670d\u52a1\u5668\u3002\u591a\u6e90\u590d\u5236\u5e76\u4e0d\u5b9e\u73b0\u4efb\u4f55\u5728\u5e94\u7528\u4e8b\u52a1\u65f6\u7684\u51b2\u7a81\u68c0\u6d4b\u548c\u89e3\u51b3\u529e\u6cd5\uff0c\u5982\u679c\u6709\u9700\u8981\u8fd9\u9879\u4efb\u52a1\u662f\u7559\u7ed9\u5e94\u7528\u7a0b\u5e8f\u7684\u3002\u5728\u591a\u6e90\u590d\u5236\u8fc7\u7a0b\u4e2d\u5907\u673a\u4f1a\u4e3a\u6bcf\u4e2a\u670d\u52a1\u5668\u5efa\u7acb\u4e00\u6761\u590d\u5236\u901a\u9053\u3002<\/p>\n<h1>\u4e8c\u3001\u914d\u7f6e\u591a\u6e90\u590d\u5236<\/h1>\n<p>\u914d\u7f6e\u591a\u6e90\u590d\u5236\u81f3\u5c11\u9700\u8981\u4e24\u53f0\u4e3b\u670d\u52a1\u5668\u4e00\u53f0\u5907\u7528\u670d\u52a1\u5668\u3002<\/p>\n<p>\u591a\u6e90\u590d\u5236\u7684\u4e3b\u670d\u52a1\u5668\u53ef\u4ee5\u4f7f\u7528\u57fa\u4e8eGTID\u7684\u590d\u5236\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u57fa\u4e8ebinary log\u4f4d\u7f6e\u7684\u590d\u5236\u3002<\/p>\n<p>\u591a\u6e90\u590d\u5236\u7684\u5907\u7528\u670d\u52a1\u5668\u9700\u8981\u57fa\u4e8e\u8868\u7684\u8d44\u6e90\u5e93\uff08repository\uff09\uff0c\u591a\u6e90\u590d\u5236\u662f\u4e0d\u517c\u5bb9\u57fa\u4e8e\u6587\u4ef6\u7684\u8d44\u6e90\u5e93\uff08repository\uff09\u7684\u3002MySQL\u7684\u8d44\u6e90\u5e93\uff08repository\uff09\u53ef\u4ee5\u5728\u542f\u52a8\u65f6\u914d\u7f6e\u4e5f\u53ef\u4ee5\u52a8\u6001\u5206\u914d\u3002<\/p>\n<p>\u5728\u542f\u52a8\u65f6\u914d\u7f6e\uff1a<\/p>\n<p>&nbsp;<\/p>\n<pre>--master-info-repository=TABLE --relay-log-info-repository=TABLE<\/pre>\n<p>\u4fee\u6539\u5df2\u7ecf\u5b58\u5728\u7684\u590d\u5236\u4f7f\u7528TABLE\u8d44\u6e90\u5e93\uff0c\u52a8\u6001\u7684\u4fee\u6539\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre class=\"programlisting line-numbers language-sql\"><code class=\" language-sql\"><span class=\"token keyword\">STOP<\/span> <span class=\"token keyword\">SLAVE<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">SET<\/span> <span class=\"token keyword\">GLOBAL<\/span> master_info_repository <span class=\"token operator\">=<\/span> <span class=\"token string\">'TABLE'<\/span><span class=\"token punctuation\">;<\/span>\r\n<span class=\"token keyword\">SET<\/span> <span class=\"token keyword\">GLOBAL<\/span> relay_log_info_repository <span class=\"token operator\">=<\/span> <span class=\"token string\">'TABLE'<\/span><span class=\"token punctuation\">;<\/span><\/code><\/pre>\n<h2>1\u3001\u6dfb\u52a0\u57fa\u4e8eGTID\u7684\u4e3b\u670d\u52a1\u5668\u5230\u591a\u6e90\u670d\u590d\u5236\u4e2d<\/h2>\n<p>\u8fd9\u8282\u5047\u5b9a\u5df2\u7ecf\u5f00\u59cb\u4e86\u57fa\u4e8eGTID\u4e8b\u52a1\u7684\u4e3b\u4ece\u590d\u5236\uff08\u4e3b\u670d\u52a1\u5668\u4e0a\u5f00\u59cb\u4e86gtid_mode=ON\uff09,\u8bbe\u7f6e\u4e86\u590d\u5236\u7528\u6237\uff0c\u5e76\u4e14\u786e\u5b9a\u4e86\u5907\u673a\u4f7f\u7528\u4e86\u57fa\u4e8eTABLE\u7684\u8d44\u6e90\u5e93\u3002\u4f7f\u7528CHANGE_MASTER_TO\u8bed\u53e5\u7684FOR CHANNEL <strong>channel<\/strong>\u5b50\u53e5\u6dfb\u52a0\u65b0\u7684\u4e3b\u670d\u52a1\u5668\u5230\u901a\u9053\u4e2d\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u4e3b\u670d\u52a1\u5668\uff0c\u5b83\u7684\u540d\u5b57\u662fmaster1\uff0c\u4f7f\u75283451\u7aef\u53e3\u5230\u4e00\u4e2a\u540d\u4e3amaster-1\u7684\u901a\u9053\u4e2d\uff1a<\/p>\n<pre class=\"programlisting line-numbers language-sql\"><code class=\" language-sql\"><span class=\"token keyword\">CHANGE<\/span> <span class=\"token keyword\">MASTER<\/span> <span class=\"token keyword\">TO<\/span> <span class=\"token keyword\">MASTER_HOST<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">'master1'<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">MASTER_USER<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">'rpl'<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">MASTER_PORT<\/span><span class=\"token operator\">=<\/span><span class=\"token number\">3451<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">MASTER_PASSWORD<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">''<\/span><span class=\"token punctuation\">,<\/span> \\\r\n<span class=\"token keyword\">MASTER_AUTO_POSITION<\/span> <span class=\"token operator\">=<\/span> <span class=\"token number\">1<\/span> <span class=\"token keyword\">FOR<\/span> <span class=\"token keyword\">CHANNEL<\/span> <span class=\"token string\">'master-1'<\/span><span class=\"token punctuation\">;<\/span><\/code><\/pre>\n<p>\u591a\u6e90\u590d\u5236\u517c\u5bb9auto-position\u9009\u9879\u3002<\/p>\n<p>\u91cd\u590d\u8fd9\u4e00\u6b65\u7528\u4e8e\u6bcf\u4e00\u4e2a\u60f3\u6dfb\u52a0\u5230\u67d0\u4e00\u901a\u9053\u7684\u989d\u5916\u7684\u4e3b\u670d\u52a1\u5668\uff0c\u6839\u636e\u60c5\u51b5\u8c03\u8282\u4e3b\u673a\u540d\uff0c\u7aef\u53e3\u548c\u901a\u9053\u3002<\/p>\n<h2>2\u3001\u6dfb\u52a0\u57fa\u4e8ebinary log\u7684\u4e3b\u670d\u52a1\u5668\u5230\u591a\u6e90\u590d\u5236\u4e2d<\/h2>\n<p>\u8fd9\u4e00\u8282\u5047\u5b9a\u4f60\u5728\u4e3b\u670d\u52a1\u5668\u4e0a\u4f7f\u7528&#8211;log-bin\u53c2\u6570\uff0c\u5df2\u7ecf\u5f00\u59cb\u4e86\u57fa\u4e8ebinary log\u7684\u4e3b\u4ece\u590d\u5236\uff0c\u8bbe\u7f6e\u4e86\u590d\u5236\u7528\u6237\uff0c\u8bb0\u5f55\u4e86\u5f53\u524dbinary log\u4f4d\u7f6e\uff0c\u5e76\u4e14\u786e\u5b9a\u4e86\u5907\u7528\u670d\u52a1\u5668\u4f7f\u7528\u57fa\u4e8eTABLE\u590d\u5236\u7684\u8d44\u6e90\u5e93\u3002\u4f60\u9700\u8981\u77e5\u9053\u5f53\u524d\u7684 <code class=\"literal\">MASTER_LOG_FILE<\/code> \u548c <code class=\"literal\">MASTER_LOG_POSITION<\/code>\u3002\u4f7f\u7528 <a class=\"link\" title=\"13.4.2.1\u00a0CHANGE MASTER TO Syntax\" href=\"https:\/\/dev.mysql.com\/doc\/refman\/5.7\/en\/change-master-to.html\"><code class=\"literal\">CHANGE MASTER TO<\/code><\/a> \u7684FOR CHANNEL channel\u5b50\u53e5\uff0c\u6dfb\u52a0\u65b0\u7684\u4e3b\u670d\u52a1\u5668\u5230\u901a\u9053\u4e2d\u3002\u4f8b\u5982\uff0c\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u4e3b\u670d\u52a1\u5668\uff0c\u540d\u5b57\u662fmaster1\uff0c\u7aef\u53e3\u662f3451\uff0c\u5230\u4e00\u4e2a\u540d\u4e3amaster-1\u7684\u901a\u9053\u4e2d\u53bb\uff1a<\/p>\n<pre class=\"programlisting line-numbers language-sql\"><code class=\" language-sql\"><span class=\"token keyword\">CHANGE<\/span> <span class=\"token keyword\">MASTER<\/span> <span class=\"token keyword\">TO<\/span> <span class=\"token keyword\">MASTER_HOST<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">'master1'<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">MASTER_USER<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">'rpl'<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">MASTER_PORT<\/span><span class=\"token operator\">=<\/span><span class=\"token number\">3451<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">MASTER_PASSWORD<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">''<\/span> \\\r\n<span class=\"token keyword\">MASTER_LOG_FILE<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">'master1-bin.000006'<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">MASTER_LOG_POS<\/span><span class=\"token operator\">=<\/span><span class=\"token number\">628<\/span> <span class=\"token keyword\">FOR<\/span> <span class=\"token keyword\">CHANNEL<\/span> <span class=\"token string\">'master-1'<\/span><span class=\"token punctuation\">;<\/span><\/code><\/pre>\n<p>\u91cd\u590d\u8fd9\u4e00\u6b65\u7528\u4e8e\u6bcf\u4e00\u4e2a\u60f3\u6dfb\u52a0\u5230\u67d0\u4e00\u901a\u9053\u7684\u989d\u5916\u7684\u4e3b\u670d\u52a1\u5668\uff0c\u6839\u636e\u60c5\u51b5\u8c03\u8282\u4e3b\u673a\u540d\uff0c\u7aef\u53e3\u548c\u901a\u9053\u3002<\/p>\n<h2>3\u3001\u5f00\u59cb\u591a\u6e90\u590d\u5236<\/h2>\n<p>\u4e00\u65e6\u4f60\u6dfb\u52a0\u4e86\u6240\u6709\u8981\u6dfb\u52a0\u7684\u4e3b\u670d\u52a1\u5668\u540e\uff0c\u4f7f\u7528START SLAVE thread_types\u8bed\u53e5\u5f00\u59cb\u590d\u5236\u3002\u5f53\u4f60\u5728\u5907\u673a\u4e0a\u5df2\u7ecf\u5f00\u542f\u4e86\u591a\u901a\u9053\u65f6\uff0c\u4f60\u80fd\u9009\u62e9\u5f00\u59cb\u6240\u6709\u901a\u9053\u6216\u9009\u62e9\u6307\u5b9a\u901a\u9053\u3002<\/p>\n<ul>\n<li>\u5f00\u59cb\u5f53\u524d\u914d\u7f6e\u7684\u6240\u6709\u590d\u5236\u901a\u9053\uff1a<\/li>\n<\/ul>\n<pre class=\"programlisting line-numbers one-line language-sql\"><code class=\" language-sql\"><span class=\"token keyword\">START<\/span> <span class=\"token keyword\">SLAVE<\/span> <em class=\"replaceable\">thread_types<\/em><span class=\"token punctuation\">;<\/span><\/code><\/pre>\n<ul>\n<li>\u4f7f\u7528FOR CHANNEL channel\u5b50\u53e5\u5f00\u59cb\u6307\u5b9a\u901a\u9053\uff1a<\/li>\n<\/ul>\n<pre class=\"programlisting line-numbers one-line language-sql\"><code class=\" language-sql\"><span class=\"token keyword\">START<\/span> <span class=\"token keyword\">SLAVE<\/span> <em class=\"replaceable\">thread_types<\/em> <span class=\"token keyword\">FOR<\/span> <span class=\"token keyword\">CHANNEL<\/span> <span class=\"token keyword\"><em class=\"replaceable\">channel<\/em><\/span><span class=\"token punctuation\">;<\/span><\/code><\/pre>\n<p>\u4f7f\u7528thread_types\u9009\u9879\u6307\u5b9a\u60f3\u4f7f\u7528\u7684\u7ebf\u7a0b\uff0c\u5728\u5907\u673a\u4e0a\u5f00\u59cb\u3002See <a class=\"xref\" title=\"13.4.2.6\u00a0START SLAVE Syntax\" href=\"https:\/\/dev.mysql.com\/doc\/refman\/5.7\/en\/start-slave.html\">Section\u00a013.4.2.6, \u201cSTART SLAVE Syntax\u201d<\/a> for more information.<\/p>\n<h2>4\u3001\u505c\u6b62\u591a\u6e90\u590d\u5236<\/h2>\n<p>\u4f7f\u7528 <code class=\"literal\">STOP SLAVE<\/code> \u8bed\u53e5\u505c\u6b62\u591a\u6e90\u590d\u5236\u3002\u9ed8\u8ba4\u60c5\u51b5\uff0c <code class=\"literal\">STOP SLAVE<\/code> \u8bed\u53e5\u505c\u6b62\u6240\u6709\u7684\u901a\u9053\u3002\u4f7f\u7528 <code class=\"literal\">FOR CHANNEL<br \/>\n<em class=\"replaceable\"><code>channel<\/code><\/em><\/code> \u5b50\u53e5\u505c\u6b62\u6307\u5b9a\u7684\u901a\u9053\u3002<\/p>\n<ul>\n<li>\u505c\u6b62\u5f53\u524d\u6240\u6709\u7684\u590d\u5236\u901a\u9053\uff1a<\/li>\n<\/ul>\n<pre class=\"programlisting line-numbers one-line language-sql\"><code class=\" language-sql\"><span class=\"token keyword\">STOP<\/span> <span class=\"token keyword\">SLAVE<\/span> <em class=\"replaceable\">thread_types<\/em><span class=\"token punctuation\">;<\/span><\/code><\/pre>\n<ul>\n<li>\u505c\u6b62\u6307\u5b9a\u7684\u590d\u5236\u901a\u9053\uff1a<\/li>\n<\/ul>\n<pre class=\"programlisting line-numbers one-line language-sql\"><code class=\" language-sql\"><span class=\"token keyword\">STOP<\/span> <span class=\"token keyword\">SLAVE<\/span> <em class=\"replaceable\">thread_types<\/em> <span class=\"token keyword\">FOR<\/span> <span class=\"token keyword\">CHANNEL<\/span> <span class=\"token keyword\"><em class=\"replaceable\">channel<\/em><\/span><span class=\"token punctuation\">;<\/span><\/code><\/pre>\n<p>\u4f7f\u7528thread_types\u9009\u9879\u6307\u5b9a\u60f3\u4f7f\u7528\u7684\u7ebf\u7a0b\uff0c\u5728\u5907\u673a\u4e0a\u5f00\u59cb\u3002See <a class=\"xref\" title=\"13.4.2.6\u00a0START SLAVE Syntax\" href=\"https:\/\/dev.mysql.com\/doc\/refman\/5.7\/en\/start-slave.html\">Section\u00a013.4.2.6, \u201cSTART SLAVE Syntax\u201d<\/a> for more information.<\/p>\n<h2>5\u3001\u91cd\u542f\u591a\u6e90\u590d\u5236<\/h2>\n<p>\u4f7f\u7528 <code class=\"literal\">RESET SLAVE<\/code> \u8bed\u53e5\u505c\u6b62\u591a\u6e90\u590d\u5236\u3002\u9ed8\u8ba4\u60c5\u51b5\uff0c <code class=\"literal\">RESET SLAVE<\/code> \u8bed\u53e5\u505c\u6b62\u6240\u6709\u7684\u901a\u9053\u3002\u4f7f\u7528 <code class=\"literal\">FOR CHANNEL<br \/>\n<em class=\"replaceable\"><code>channel<\/code><\/em><\/code> \u5b50\u53e5\u505c\u6b62\u6307\u5b9a\u7684\u901a\u9053\u3002<\/p>\n<ul>\n<li>\u505c\u6b62\u5f53\u524d\u6240\u6709\u7684\u590d\u5236\u901a\u9053\uff1a<\/li>\n<\/ul>\n<pre class=\"programlisting line-numbers one-line language-sql\"><code class=\" language-sql\"><span class=\"token keyword\">RESET<\/span> <span class=\"token keyword\">SLAVE<\/span><span class=\"token punctuation\">;<\/span><\/code><\/pre>\n<ul>\n<li>\u505c\u6b62\u6307\u5b9a\u7684\u590d\u5236\u901a\u9053\uff1a<\/li>\n<\/ul>\n<pre class=\"programlisting line-numbers one-line language-sql\"><code class=\" language-sql\"><span class=\"token keyword\">STOP<\/span> <span class=\"token keyword\">SLAVE<\/span> <span class=\"token keyword\">FOR<\/span> <span class=\"token keyword\">CHANNEL<\/span> <span class=\"token keyword\"><em class=\"replaceable\">channel<\/em><\/span><span class=\"token punctuation\">;\r\n<\/span><\/code><\/pre>\n<h1>\u4e09\u3001\u591a\u6e90\u590d\u5236\u76d1\u63a7<\/h1>\n<p>\u76d1\u63a7\u5f53\u524d\u5b58\u5728\u7684\u590d\u5236\u901a\u9053\u72b6\u6001\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528replication Performance Schema\u8868\u3002\u8868\u7684\u7b2c\u4e00\u5217Channel_Name\u3002\u5141\u8bb8\u4f60\u57fa\u4e8eChannel_Name\u4f5c\u4e3a\u5173\u952e\u5b57\u5199\u4e00\u4e2a\u590d\u5408\u67e5\u8be2\u3002See <a class=\"xref\" title=\"25.11.11\u00a0Performance Schema Replication Tables\" href=\"https:\/\/dev.mysql.com\/doc\/refman\/5.7\/en\/performance-schema-replication-tables.html\">Section\u00a025.11.11, \u201cPerformance Schema Replication Tables\u201d<\/a>.<\/li>\n<li>\u4f7f\u7528 <code class=\"literal\">SHOW SLAVE STATUS FOR CHANNEL<br \/>\n<em class=\"replaceable\"><code>channel<\/code><\/em><\/code> \u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u6ca1\u6709\u4f7f\u7528FOR CHANNEL <em>channel<\/em>\u5b50\u53e5\uff0c\u8fd9\u53e5\u663e\u793a\u5907\u7528\u670d\u52a1\u5668\u7684\u72b6\u6001\uff08\u6240\u6709\u901a\u9053\uff0c\u6bcf\u4e2a\u901a\u9053\u4e00\u884c\uff09\u3002\u6807\u793a\u7b26Channel_name\u505a\u4e3a\u4e00\u5217\u663e\u793a\u5728\u7ed3\u679c\u4e2d\u3002\u5982\u679c\u6dfb\u52a0\u4e86FOR CHANNEL <em>channel<\/em>\u5b50\u53e5\uff0c\u53ea\u663e\u793a\u6307\u5b9a\u7684\u901a\u9053\u3002<\/li>\n<\/ul>\n<p>\u6ce8\u610f\uff1a <a class=\"link\" title=\"13.7.5.39\u00a0SHOW VARIABLES Syntax\" href=\"https:\/\/dev.mysql.com\/doc\/refman\/5.7\/en\/show-variables.html\"><code class=\"literal\">SHOW VARIABLES<\/code><\/a> \u8bed\u53e5\u4e0d\u80fd\u5de5\u4f5c\u5728\u591a\u590d\u5236\u901a\u9053\u4e2d\u3002\u76f8\u5173\u7684\u53d8\u91cf\u4fe1\u606f\u5df2\u7ecf\u79fb\u690d\u5230 replication performance\u8868\u4e2d\u3002\u5728\u591a\u901a\u9053\u4e2d\u4f7f\u7528 <a class=\"link\" title=\"13.7.5.39\u00a0SHOW VARIABLES Syntax\" href=\"https:\/\/dev.mysql.com\/doc\/refman\/5.7\/en\/show-variables.html\"><code class=\"literal\">SHOW VARIABLES<\/code><\/a> \u8bed\u53e5\uff0c\u53ea\u80fd\u663e\u793a\u9ed8\u8ba4\u901a\u9053\u72b6\u6001\u3002<\/p>\n<h2>1\u3001\u4f7f\u7528Performance Schema\u8868\u76d1\u63a7\u901a\u9053<\/h2>\n<p>\u8fd9\u8282\u89e3\u91ca\u5982\u4f55\u4f7f\u7528replication Performance Schema\u8868\u76d1\u63a7\u901a\u9053\u3002\u4f60\u53ef\u4ee5\u9009\u62e9\u6240\u6709\u901a\u9053\u6216\u67d0\u51e0\u4e2a\u901a\u9053\u3002<\/p>\n<p>\u76d1\u63a7\u6240\u6709\u901a\u9053\u7684\u94fe\u63a5\u72b6\u6001\uff1a<\/p>\n<pre class=\"programlisting line-numbers language-sql\"><code class=\" language-sql\"><span class=\"token prompt\">mysql&gt;<\/span> <span class=\"token keyword\">SELECT<\/span> <span class=\"token operator\">*<\/span> <span class=\"token keyword\">FROM<\/span> replication_connection_status\\G<span class=\"token punctuation\">;<\/span>\r\n<span class=\"token output\"><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span> 1. row <span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span>\r\nCHANNEL_NAME<span class=\"token punctuation\">:<\/span> master1\r\nGROUP_NAME<span class=\"token punctuation\">:<\/span>\r\nSOURCE_UUID<span class=\"token punctuation\">:<\/span> 046e41f8-a223-11e4-a975-0811960cc264\r\nTHREAD_ID<span class=\"token punctuation\">:<\/span> 24\r\nSERVICE_STATE<span class=\"token punctuation\">:<\/span> ON\r\nCOUNT_RECEIVED_HEARTBEATS<span class=\"token punctuation\">:<\/span> 0\r\nLAST_HEARTBEAT_TIMESTAMP<span class=\"token punctuation\">:<\/span> 0000-00-00 00<span class=\"token punctuation\">:<\/span>00<span class=\"token punctuation\">:<\/span>00\r\nRECEIVED_TRANSACTION_SET<span class=\"token punctuation\">:<\/span> 046e41f8-a223-11e4-a975-0811960cc264<span class=\"token punctuation\">:<\/span>4-37\r\nLAST_ERROR_NUMBER<span class=\"token punctuation\">:<\/span> 0\r\nLAST_ERROR_MESSAGE<span class=\"token punctuation\">:<\/span>\r\nLAST_ERROR_TIMESTAMP<span class=\"token punctuation\">:<\/span> 0000-00-00 00<span class=\"token punctuation\">:<\/span>00<span class=\"token punctuation\">:<\/span>00\r\n<span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span> 2. row <span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span>\r\nCHANNEL_NAME<span class=\"token punctuation\">:<\/span> master2\r\nGROUP_NAME<span class=\"token punctuation\">:<\/span>\r\nSOURCE_UUID<span class=\"token punctuation\">:<\/span> 7475e474-a223-11e4-a978-0811960cc264\r\nTHREAD_ID<span class=\"token punctuation\">:<\/span> 26\r\nSERVICE_STATE<span class=\"token punctuation\">:<\/span> ON\r\nCOUNT_RECEIVED_HEARTBEATS<span class=\"token punctuation\">:<\/span> 0\r\nLAST_HEARTBEAT_TIMESTAMP<span class=\"token punctuation\">:<\/span> 0000-00-00 00<span class=\"token punctuation\">:<\/span>00<span class=\"token punctuation\">:<\/span>00\r\nRECEIVED_TRANSACTION_SET<span class=\"token punctuation\">:<\/span> 7475e474-a223-11e4-a978-0811960cc264<span class=\"token punctuation\">:<\/span>4-6\r\nLAST_ERROR_NUMBER<span class=\"token punctuation\">:<\/span> 0\r\nLAST_ERROR_MESSAGE<span class=\"token punctuation\">:<\/span>\r\nLAST_ERROR_TIMESTAMP<span class=\"token punctuation\">:<\/span> 0000-00-00 00<span class=\"token punctuation\">:<\/span>00<span class=\"token punctuation\">:<\/span>00\r\n<\/span><span class=\"token output\">2 rows in set (0.00 sec)<\/span><\/code><\/pre>\n<p>\u4e0a\u9762\u8f93\u51fa\u4e86\u4e24\u4e2a\u5f00\u542f\u7684\u901a\u9053\uff0c\u5e76\u4e14 <code class=\"literal\">CHANNEL_NAME<\/code> \u5b57\u6bb5\u7684\u5185\u5bb9\u662fmaster1\u548cmaster2\u3002<\/p>\n<p>\u53e6\u5916\u53ef\u901a\u8fc7\u6307\u5b9aCHANNEL_NAME\u5b57\u6bb5\u7684\u503c\u6765\u67e5\u8be2\u6307\u5b9a\u7684\u901a\u9053\u3002\u5982\uff1a<\/p>\n<pre class=\"programlisting line-numbers language-sql\"><code class=\" language-sql\"><span class=\"token prompt\">mysql&gt;<\/span> <span class=\"token keyword\">SELECT<\/span> <span class=\"token operator\">*<\/span> <span class=\"token keyword\">FROM<\/span> replication_connection_status <span class=\"token keyword\">WHERE<\/span> CHANNEL_NAME<span class=\"token operator\">=<\/span><span class=\"token string\">'master1'<\/span>\\G\r\n<span class=\"token output\"><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span> 1. row <span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span><span class=\"token punctuation\">*<\/span>\r\nCHANNEL_NAME<span class=\"token punctuation\">:<\/span> master1\r\nGROUP_NAME<span class=\"token punctuation\">:<\/span>\r\nSOURCE_UUID<span class=\"token punctuation\">:<\/span> 046e41f8-a223-11e4-a975-0811960cc264\r\nTHREAD_ID<span class=\"token punctuation\">:<\/span> 24\r\nSERVICE_STATE<span class=\"token punctuation\">:<\/span> ON\r\nCOUNT_RECEIVED_HEARTBEATS<span class=\"token punctuation\">:<\/span> 0\r\nLAST_HEARTBEAT_TIMESTAMP<span class=\"token punctuation\">:<\/span> 0000-00-00 00<span class=\"token punctuation\">:<\/span>00<span class=\"token punctuation\">:<\/span>00\r\nRECEIVED_TRANSACTION_SET<span class=\"token punctuation\">:<\/span> 046e41f8-a223-11e4-a975-0811960cc264<span class=\"token punctuation\">:<\/span>4-37\r\nLAST_ERROR_NUMBER<span class=\"token punctuation\">:<\/span> 0\r\nLAST_ERROR_MESSAGE<span class=\"token punctuation\">:<\/span>\r\nLAST_ERROR_TIMESTAMP<span class=\"token punctuation\">:<\/span> 0000-00-00 00<span class=\"token punctuation\">:<\/span>00<span class=\"token punctuation\">:<\/span>00\r\n<\/span><span class=\"token output\">1 row in set (0.00 sec)<\/span><\/code><\/pre>\n<p>For more information, see <a class=\"xref\" title=\"25.11.11\u00a0Performance Schema Replication Tables\" href=\"https:\/\/dev.mysql.com\/doc\/refman\/5.7\/en\/performance-schema-replication-tables.html\">Section\u00a025.11.11, \u201cPerformance Schema Replication Tables\u201d<\/a>.<\/p>\n<h1>\u56db\u3001\u591a\u6e90\u590d\u5236\u7684\u9519\u8bef\u4fe1\u606f<\/h1>\n<p>\u5728\u591a\u6e90\u590d\u5236\u7ed3\u6784\u4e2d\u9047\u5230\u7684\u9519\u8bef\u4ee3\u7801\u548c\u9519\u8bef\u4fe1\u606f\uff0c\u8fd9\u4e9b\u4fe1\u606f\u53ea\u6709\u5728\u591a\u6e90\u590d\u5236\u5f00\u542f\u540e\u624d\u4f1a\u4ea7\u751f\uff0c\u5e76\u4e14\u8fd9\u4e9b\u4fe1\u606f\u662f\u548c\u901a\u9053\u7ed1\u5b9a\u7684\u3002\u5982\uff1a<\/p>\n<p><span class=\"errortext\">Slave is already running<\/span> and <span class=\"errortext\">Slave is already stopped <\/span> have been replaced with <span class=\"errortext\">Replication thread(s) for channel <em class=\"replaceable\"><code>channel_name<\/code><\/em> are already running<\/span> and <span class=\"errortext\">Replication threads(s) for channel <em class=\"replaceable\"><code>channel_name<\/code><\/em> are already stopped<\/span> respectively.<\/p>\n<p>\u65e5\u5fd7\u4fe1\u606f\u5df2\u7ecf\u88ab\u6807\u793a\u5230\u76f8\u5173\u7684\u901a\u9053\u3002\u8fd9\u66f4\u6613\u4e8edebug\u548c\u8ddf\u8e2a\u95ee\u9898\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u6982\u8ff0 MySQL\u7684\u591a\u6e90\u590d\u5236\u5141\u8bb8\u5907\u673a\u4ece\u591a\u4e2a\u6e90\u540c\u65f6\u63a5\u6536\u4e8b\u52a1\u3002\u591a\u6e90\u590d\u5236\u7528\u4e8e\u5907\u4efd\u591a\u4e2a\u670d\u52a1\u5668\u7684\u6570\u636e\u5230\u4e00\u53f0\u670d\u52a1\u5668\uff0c\u8fc1\u79fb\u8868\u788e\u7247\u3001\u4ece\u591a\u4e2a\u6e90\u5408\u5e76\u6570\u636e\u5230\u4e00\u53f0\u670d\u52a1\u5668\u3002\u591a\u6e90\u590d\u5236\u5e76\u4e0d&#8230;<\/p>\n<p class=\"read-more\"><a class=\"btn btn-default\" href=\"https:\/\/www.5x44.cn\/?p=1074\"> Read More<span class=\"screen-reader-text\">  Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37],"tags":[],"class_list":["post-1074","post","type-post","status-publish","format-standard","hentry","category-mysql"],"_links":{"self":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/1074","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1074"}],"version-history":[{"count":6,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/1074\/revisions"}],"predecessor-version":[{"id":1089,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/1074\/revisions\/1089"}],"wp:attachment":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1074"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1074"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1074"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}