{"id":54442,"date":"2025-08-13T07:10:35","date_gmt":"2025-08-12T23:10:35","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/54442.html"},"modified":"2025-08-13T07:10:35","modified_gmt":"2025-08-12T23:10:35","slug":"mysql195mysql%e7%9a%84%e5%a4%8d%e5%88%b6%e5%8e%9f%e7%90%86%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/54442.html","title":{"rendered":"MySQL(195)MySQL\u7684\u590d\u5236\u539f\u7406\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<p>MySQL\u7684\u590d\u5236\u662f\u6307\u5c06\u6570\u636e\u4ece\u4e00\u4e2aMySQL\u6570\u636e\u5e93\u670d\u52a1\u5668&#xff08;\u79f0\u4e3a\u4e3b\u670d\u52a1\u5668&#xff09;\u590d\u5236\u5230\u4e00\u4e2a\u6216\u591a\u4e2aMySQL\u6570\u636e\u5e93\u670d\u52a1\u5668&#xff08;\u79f0\u4e3a\u4ece\u670d\u52a1\u5668&#xff09;\u7684\u8fc7\u7a0b\u3002\u590d\u5236\u53ef\u4ee5\u7528\u4e8e\u63d0\u9ad8\u6570\u636e\u7684\u53ef\u7528\u6027\u3001\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u4ee5\u53ca\u8fdb\u884c\u6570\u636e\u5907\u4efd\u3002\u4ee5\u4e0b\u662fMySQL\u590d\u5236\u7684\u8be6\u7ec6\u539f\u7406\u548c\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<h4>\u4e00\u3001MySQL\u590d\u5236\u539f\u7406<\/h4>\n<p>MySQL\u590d\u5236\u4e3b\u8981\u5305\u62ec\u4e09\u5927\u6b65\u9aa4&#xff1a;\u4e8c\u8fdb\u5236\u65e5\u5fd7&#xff08;Binary Log&#xff09;\u3001\u4e2d\u7ee7\u65e5\u5fd7&#xff08;Relay Log&#xff09;\u548cSQL\u7ebf\u7a0b&#xff08;SQL Thread&#xff09;\u3002<\/p>\n<li>\n<p>\u4e8c\u8fdb\u5236\u65e5\u5fd7&#xff08;Binary Log&#xff09;&#xff1a;<\/p>\n<ul>\n<li>\u5f53\u4e3b\u670d\u52a1\u5668\u4e0a\u7684\u6570\u636e\u53d1\u751f\u53d8\u5316&#xff08;\u5982INSERT\u3001UPDATE\u3001DELETE\u7b49\u64cd\u4f5c&#xff09;\u65f6&#xff0c;\u8fd9\u4e9b\u64cd\u4f5c\u88ab\u8bb0\u5f55\u5230\u4e3b\u670d\u52a1\u5668\u7684\u4e8c\u8fdb\u5236\u65e5\u5fd7&#xff08;binlog&#xff09;\u4e2d\u3002<\/li>\n<li>\u4e8c\u8fdb\u5236\u65e5\u5fd7\u8bb0\u5f55\u4e86\u6240\u6709\u5bfc\u81f4\u6570\u636e\u53d8\u5316\u7684SQL\u8bed\u53e5&#xff0c;\u8fd9\u4e9b\u65e5\u5fd7\u4f1a\u88ab\u53d1\u9001\u5230\u4ece\u670d\u52a1\u5668\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u4e2d\u7ee7\u65e5\u5fd7&#xff08;Relay Log&#xff09;&#xff1a;<\/p>\n<ul>\n<li>\u4ece\u670d\u52a1\u5668\u901a\u8fc7I\/O\u7ebf\u7a0b\u4ece\u4e3b\u670d\u52a1\u5668\u8bfb\u53d6\u4e8c\u8fdb\u5236\u65e5\u5fd7&#xff0c;\u5e76\u5c06\u5176\u5199\u5165\u5230\u81ea\u5df1\u7684\u4e2d\u7ee7\u65e5\u5fd7&#xff08;relay log&#xff09;\u4e2d\u3002<\/li>\n<li>\u4e2d\u7ee7\u65e5\u5fd7\u662f\u4ece\u670d\u52a1\u5668\u4e0a\u7684\u4e00\u4e2a\u4e34\u65f6\u65e5\u5fd7\u6587\u4ef6&#xff0c;\u7528\u4e8e\u5b58\u50a8\u4ece\u4e3b\u670d\u52a1\u5668\u63a5\u6536\u5230\u7684\u4e8c\u8fdb\u5236\u65e5\u5fd7\u5185\u5bb9\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>SQL\u7ebf\u7a0b&#xff08;SQL Thread&#xff09;&#xff1a;<\/p>\n<ul>\n<li>\u4ece\u670d\u52a1\u5668\u4e0a\u7684SQL\u7ebf\u7a0b\u8bfb\u53d6\u4e2d\u7ee7\u65e5\u5fd7&#xff0c;\u5e76\u6267\u884c\u5176\u4e2d\u8bb0\u5f55\u7684SQL\u8bed\u53e5&#xff0c;\u4ece\u800c\u4f7f\u4ece\u670d\u52a1\u5668\u7684\u6570\u636e\u4e0e\u4e3b\u670d\u52a1\u5668\u4fdd\u6301\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<\/li>\n<h4>\u4e8c\u3001\u914d\u7f6eMySQL\u590d\u5236<\/h4>\n<p>\u4ee5\u4e0b\u662f\u914d\u7f6eMySQL\u4e3b\u4ece\u590d\u5236\u7684\u8be6\u7ec6\u6b65\u9aa4\u548c\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<h5>2.1 \u4e3b\u670d\u52a1\u5668\u914d\u7f6e<\/h5>\n<li>\u7f16\u8f91\u4e3b\u670d\u52a1\u5668\u7684MySQL\u914d\u7f6e\u6587\u4ef6&#xff08;\u901a\u5e38\u4e3a\/etc\/my.cnf\u6216\/etc\/mysql\/my.cnf&#xff09;&#xff1a;<\/li>\n<p>[mysqld]<br \/>\nserver-id &#061; 1<br \/>\nlog_bin &#061; \/var\/log\/mysql\/mysql-bin.log<br \/>\nbinlog_do_db &#061; mydatabase  # \u6307\u5b9a\u9700\u8981\u590d\u5236\u7684\u6570\u636e\u5e93<\/p>\n<li>\u91cd\u542fMySQL\u670d\u52a1&#xff1a;<\/li>\n<p><span class=\"token function\">sudo<\/span> systemctl restart mysql<\/p>\n<li>\u521b\u5efa\u590d\u5236\u7528\u6237\u5e76\u6388\u4e88\u6743\u9650&#xff1a;<\/li>\n<p><span class=\"token keyword\">CREATE<\/span> <span class=\"token keyword\">USER<\/span> <span class=\"token string\">&#039;replica_user&#039;<\/span><span class=\"token variable\">&#064;&#039;%&#039;<\/span> IDENTIFIED <span class=\"token keyword\">BY<\/span> <span class=\"token string\">&#039;replica_password&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">GRANT<\/span> <span class=\"token keyword\">REPLICATION<\/span> SLAVE <span class=\"token keyword\">ON<\/span> <span class=\"token operator\">*<\/span><span class=\"token punctuation\">.<\/span><span class=\"token operator\">*<\/span> <span class=\"token keyword\">TO<\/span> <span class=\"token string\">&#039;replica_user&#039;<\/span><span class=\"token variable\">&#064;&#039;%&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\nFLUSH <span class=\"token keyword\">PRIVILEGES<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<li>\u786e\u5b9a\u4e8c\u8fdb\u5236\u65e5\u5fd7\u6587\u4ef6\u540d\u548c\u4f4d\u7f6e&#xff1a;<\/li>\n<p><span class=\"token keyword\">SHOW<\/span> MASTER <span class=\"token keyword\">STATUS<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u8f93\u51fa\u793a\u4f8b&#xff1a;<\/p>\n<p>&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<br \/>\n| File             | Position | Binlog_Do_DB | Binlog_Ignore_DB |<br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<br \/>\n| mysql-bin.000001 |      154 | mydatabase   |                  |<br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;&#8212;&#8212;&#8212;-&#043;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#043;<\/p>\n<p>\u8bb0\u4e0bFile\u548cPosition\u7684\u503c&#xff0c;\u7a0d\u540e\u4f1a\u7528\u5230\u3002<\/p>\n<h5>2.2 \u4ece\u670d\u52a1\u5668\u914d\u7f6e<\/h5>\n<li>\u7f16\u8f91\u4ece\u670d\u52a1\u5668\u7684MySQL\u914d\u7f6e\u6587\u4ef6&#xff1a;<\/li>\n<p>[mysqld]<br \/>\nserver-id &#061; 2<br \/>\nrelay-log &#061; \/var\/log\/mysql\/mysql-relay-bin<\/p>\n<li>\u91cd\u542fMySQL\u670d\u52a1&#xff1a;<\/li>\n<p><span class=\"token function\">sudo<\/span> systemctl restart mysql<\/p>\n<li>\u5728\u4ece\u670d\u52a1\u5668\u4e0a\u6267\u884c\u4ee5\u4e0bSQL\u8bed\u53e5&#xff0c;\u914d\u7f6e\u590d\u5236\u4fe1\u606f&#xff1a;<\/li>\n<p>CHANGE MASTER <span class=\"token keyword\">TO<\/span><br \/>\nMASTER_HOST<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;\u4e3b\u670d\u52a1\u5668\u7684IP\u5730\u5740&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\nMASTER_USER<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;replica_user&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\nMASTER_PASSWORD<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;replica_password&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\nMASTER_LOG_FILE<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#039;mysql-bin.000001&#039;<\/span><span class=\"token punctuation\">,<\/span>  <span class=\"token comment\">&#8212; \u66ff\u6362\u4e3a\u4e4b\u524d\u8bb0\u4e0b\u7684File\u503c<\/span><br \/>\nMASTER_LOG_POS<span class=\"token operator\">&#061;<\/span><span class=\"token number\">154<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">&#8212; \u66ff\u6362\u4e3a\u4e4b\u524d\u8bb0\u4e0b\u7684Position\u503c<\/span><\/p>\n<li>\u542f\u52a8\u590d\u5236\u8fdb\u7a0b&#xff1a;<\/li>\n<p><span class=\"token keyword\">START<\/span> SLAVE<span class=\"token punctuation\">;<\/span><\/p>\n<li>\u68c0\u67e5\u590d\u5236\u72b6\u6001&#xff1a;<\/li>\n<p><span class=\"token keyword\">SHOW<\/span> SLAVE <span class=\"token keyword\">STATUS<\/span>\\\\G<span class=\"token punctuation\">;<\/span><\/p>\n<p>\u8f93\u51fa\u793a\u4f8b&#xff1a;<\/p>\n<p>*************************** 1. row ***************************<br \/>\n               Slave_IO_State: Waiting for master to send event<br \/>\n                  Master_Host: \u4e3b\u670d\u52a1\u5668\u7684IP\u5730\u5740<br \/>\n                  Master_User: replica_user<br \/>\n                  Master_Port: 3306<br \/>\n                Connect_Retry: 60<br \/>\n              Master_Log_File: mysql-bin.000001<br \/>\n          Read_Master_Log_Pos: 154<br \/>\n               Relay_Log_File: mysql-relay-bin.000002<br \/>\n                Relay_Log_Pos: 320<br \/>\n        Relay_Master_Log_File: mysql-bin.000001<br \/>\n             Slave_IO_Running: Yes<br \/>\n            Slave_SQL_Running: Yes<br \/>\n              &#8230;<\/p>\n<p>\u786e\u4fddSlave_IO_Running\u548cSlave_SQL_Running\u90fd\u663e\u793a\u4e3aYes\u3002<\/p>\n<h4>\u4e09\u3001\u914d\u7f6e\u591a\u53f0\u4ece\u670d\u52a1\u5668<\/h4>\n<p>\u53ef\u4ee5\u914d\u7f6e\u591a\u53f0\u4ece\u670d\u52a1\u5668\u4ee5\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u548c\u9ad8\u53ef\u7528\u6027\u3002\u6bcf\u53f0\u4ece\u670d\u52a1\u5668\u7684\u914d\u7f6e\u6b65\u9aa4\u7c7b\u4f3c&#xff0c;\u4f46\u9700\u8981\u786e\u4fdd\u6bcf\u53f0\u4ece\u670d\u52a1\u5668\u7684server-id\u662f\u552f\u4e00\u7684\u3002<\/p>\n<p>[mysqld]<br \/>\nserver-id &#061; 3  # \u5bf9\u6bcf\u53f0\u4ece\u670d\u52a1\u5668\u8bbe\u7f6e\u552f\u4e00\u7684server-id<br \/>\nrelay-log &#061; \/var\/log\/mysql\/mysql-relay-bin<\/p>\n<h4>\u56db\u3001\u5904\u7406\u590d\u5236\u5ef6\u8fdf<\/h4>\n<p>\u590d\u5236\u5ef6\u8fdf\u662f\u6307\u4e3b\u670d\u52a1\u5668\u4e0a\u7684\u6570\u636e\u53d8\u5316\u4f20\u9012\u5230\u4ece\u670d\u52a1\u5668\u5e76\u751f\u6548\u6240\u9700\u7684\u65f6\u95f4\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u51cf\u5c11\u590d\u5236\u5ef6\u8fdf&#xff1a;<\/p>\n<li>\n<p>\u4f18\u5316\u7f51\u7edc\u5ef6\u8fdf&#xff1a;<\/p>\n<ul>\n<li>\u786e\u4fdd\u4e3b\u4ece\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u7f51\u7edc\u8fde\u63a5\u5feb\u901f\u4e14\u7a33\u5b9a\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u8c03\u6574\u590d\u5236\u7ebf\u7a0b&#xff1a;<\/p>\n<ul>\n<li>\u589e\u52a0\u4ece\u670d\u52a1\u5668\u7684IO\u7ebf\u7a0b\u548cSQL\u7ebf\u7a0b\u6570\u91cf\u3002<\/li>\n<\/ul>\n<\/li>\n<p>[mysqld]<br \/>\nslave_parallel_workers &#061; 4  # \u8bbe\u7f6e\u5e76\u884c\u590d\u5236\u7ebf\u7a0b\u6570\u91cf<\/p>\n<li>\u76d1\u63a7\u590d\u5236\u72b6\u6001&#xff1a;\n<ul>\n<li>\u5b9a\u671f\u68c0\u67e5\u590d\u5236\u72b6\u6001&#xff0c;\u786e\u4fddSeconds_Behind_Master\u503c\u8f83\u5c0f\u3002<\/li>\n<\/ul>\n<\/li>\n<p><span class=\"token keyword\">SHOW<\/span> SLAVE <span class=\"token keyword\">STATUS<\/span>\\\\G<span class=\"token punctuation\">;<\/span><\/p>\n<h4>\u4e94\u3001\u603b\u7ed3<\/h4>\n<p>MySQL\u590d\u5236\u901a\u8fc7\u4e8c\u8fdb\u5236\u65e5\u5fd7\u3001\u4e2d\u7ee7\u65e5\u5fd7\u548cSQL\u7ebf\u7a0b\u5b9e\u73b0\u6570\u636e\u4ece\u4e3b\u670d\u52a1\u5668\u5230\u4ece\u670d\u52a1\u5668\u7684\u4f20\u9012\u548c\u540c\u6b65\u3002\u914d\u7f6eMySQL\u590d\u5236\u6d89\u53ca\u4fee\u6539\u4e3b\u4ece\u670d\u52a1\u5668\u7684\u914d\u7f6e\u6587\u4ef6\u3001\u521b\u5efa\u590d\u5236\u7528\u6237\u3001\u8bbe\u7f6e\u590d\u5236\u4fe1\u606f\u5e76\u542f\u52a8\u590d\u5236\u8fdb\u7a0b\u3002\u5b9a\u671f\u76d1\u63a7\u590d\u5236\u72b6\u6001\u548c\u4f18\u5316\u7f51\u7edc\u3001\u7ebf\u7a0b\u914d\u7f6e\u53ef\u4ee5\u51cf\u5c11\u590d\u5236\u5ef6\u8fdf&#xff0c;\u786e\u4fdd\u6570\u636e\u7684\u5b9e\u65f6\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb108\u6b21\u3002MySQL\u590d\u5236\u901a\u8fc7\u4e8c\u8fdb\u5236\u65e5\u5fd7\u3001\u4e2d\u7ee7\u65e5\u5fd7\u548cSQL\u7ebf\u7a0b\u5b9e\u73b0\u6570\u636e\u540c\u6b65\uff0c\u5c06\u4e3b\u670d\u52a1\u5668\u6570\u636e\u590d\u5236\u5230\u4ece\u670d\u52a1\u5668\u3002\u914d\u7f6e\u6b65\u9aa4\u5305\u62ec\uff1a1)\u4e3b\u670d\u52a1\u5668\u8bbe\u7f6eserver-id\u3001\u5f00\u542f\u4e8c\u8fdb\u5236\u65e5\u5fd7\u5e76\u521b\u5efa\u590d\u5236\u7528\u6237\uff1b2)\u4ece\u670d\u52a1\u5668\u914d\u7f6eserver-id\uff0c\u901a\u8fc7CHANGE 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