{"id":66,"date":"2017-03-01T18:44:16","date_gmt":"2017-03-01T10:44:16","guid":{"rendered":"\/\/hqidi.com\/?p=66"},"modified":"2017-03-04T11:45:06","modified_gmt":"2017-03-04T03:45:06","slug":"mysql%e4%b8%bb%e4%bb%8e%e5%8e%9f%e7%90%86%e8%af%a6%e8%a7%a3%e5%8f%8a%e6%9e%b6%e6%9e%84%e6%90%ad%e5%bb%ba","status":"publish","type":"post","link":"https:\/\/hqidi.com\/66.html","title":{"rendered":"MySQL\u4e3b\u4ece\u539f\u7406\u8be6\u89e3\u53ca\u67b6\u6784\u642d\u5efa"},"content":{"rendered":"

\"mysql\"<\/p>\n

\u4e3b\u4ece\u590d\u5236\u539f\u7406<\/h2>\n

1\u3001slave\u4e0a\u7684IO\u7ebf\u7a0b\u62ff\u7740master.info\u6587\u4ef6\u91cc\u9762\u7684\u4fe1\u606f\u53bb\u8fde\u63a5master\uff0c\u5e76\u8bf7\u6c42\u4ecebinlog\u65e5\u5fd7\u6587\u4ef6\u7684\u6307\u5b9a\u4f4d\u7f6e(\u6216\u8005\u4ece\u6700\u5f00\u59cb\u7684\u4f4d\u7f6e)\u5f80\u540e\u7684\u6240\u6709\u5185\u5bb9\u3002
\n2\u3001master\u9a8c\u8bc1slave\u53d1\u8fc7\u6765\u7684master.info\u540e\uff0c\u901a\u8fc7\u8d1f\u8d23\u590d\u5236\u7684IO\u7ebf\u7a0b\u8fd4\u56de\u76f8\u5e94\u7684\u5185\u5bb9\u7ed9slave\u3002\u8fd4\u56de\u7684\u5185\u5bb9\u5305\u62ecslave\u8bf7\u6c42\u7684\u65e5\u5fd7\u5185\u5bb9\u548c\u672c\u6b21\u54cd\u5e94\u5728master\u670d\u52a1\u5668\u4e0a\u7684binlog\u6587\u4ef6\u7684\u540d\u79f0\u4ee5\u53ca\u6700\u65b0\u7684binlog\u6307\u5b9a\u4f4d\u7f6e\u3002
\n3\u3001slave\u7684IO\u7ebf\u7a0b\u63a5\u6536\u5230\u6570\u636e\u540e\uff0c\u5c06\u63a5\u6536\u5230\u7684\u65e5\u5fd7\u5185\u5bb9\u6309\u987a\u5e8f\u8ffd\u52a0\u8fdbrelaylog\u6587\u4ef6(\u5b9e\u9645\u6587\u4ef6\u540d\u4e3amysql-relay-bin.xxxxxx),\u5e76\u5c06\u540c\u65f6\u8fd4\u56de\u7684master\u670d\u52a1\u5668\u4e0a\u7684binlog\u7684\u6587\u4ef6\u540d\u548c\u65b0\u7684\u4f4d\u7f6e\u70b9\u8bb0\u5f55\u5230master.info\u6587\u4ef6\u4e2d\uff0c\u4ee5\u4fbf\u5728\u4e0b\u4e00\u6b21\u53d1\u9001\u8bf7\u6c42\u7684\u65f6\u5019\u80fd\u591f\u6e05\u695a\u7684\u6307\u660e\u9700\u8981\u4ece\u54eabinlog\u6587\u4ef6\u7684\u54ea\u4e2a\u4f4d\u7f6e\u70b9\u5f00\u59cb\u3002
\n4\u3001slave\u4e0a\u7684SQL\u7ebf\u7a0b\u68c0\u6d4b\u5230relaylog\u4e2d\u6709\u65b0\u589e\u5185\u5bb9\u540e\uff0c\u5f00\u59cb\u89e3\u6790\u65b0\u5185\u5bb9\uff0c\u8f6c\u6362\u6210\u539f\u5148\u5728master\u5b9e\u9645\u6267\u884c\u7684SQL\u8bed\u53e5\uff0c\u5e76\u6267\u884c\u3002\u8fd9\u6837\uff0c\u5b9e\u9645\u4e0a\u5c31\u662fmaster\u548cslave\u4e0a\u6267\u884c\u4e86\u540c\u6837\u7684SQL\u8bed\u53e5\uff0c\u6240\u4ee5\u4e24\u8fb9\u7684\u6570\u636e\u662f\u5b8c\u5168\u4e00\u6837\u7684\u3002<\/p>\n

\u914d\u7f6e\u6587\u4ef6<\/h2>\n
\r\n[mysqld]\r\nserver-id = 1 # show global variables like '%server%';\r\nlog-bin = mysql-bin # \u5f00\u542f\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u5e76\u6307\u5b9a\u6587\u4ef6\u540d(\u4e8c\u8fdb\u5236\u65e5\u5fd7\u53ef\u4ee5\u7528mysqlbinlog\u8f6c\u6362\u6210\u6587\u672c\u6587\u4ef6\u67e5\u770b) show global variables like '%log%';\r\nlog-bin-index = mysql-bin # \u5f00\u542f\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u5e76\u6307\u5b9a\u7d22\u5f15\u7684\u6587\u4ef6\u540d<\/pre>\n
slave \u914d\u7f6e\u6587\u4ef6<\/p>\n
\r\n[mysqld]\r\nserver-id = 2 # \u4e00\u822c\u53ea\u6539slave\u4e0aid\uff0cmaster\u4e0a\u7528\u9ed8\u8ba4\u76841\r\nrelay-log = relay-bin # \u5f00\u542f\u4e2d\u7ee7\u65e5\u5fd7\uff0c\u5e76\u6307\u5b9a\u6587\u4ef6\u540d show global variables like '%log%';\r\nrelay-log-index = relay-bin\r\nlog-slave-updates # slave\u4e0a\u7684\u4e8c\u8fdb\u5236\u65e5\u5fd7\u8f93\u51fa\uff0c\u4e3b\u4ece\u590d\u5236\u4e5f\u80fd\u53eb\u505a\u4e3b\u4ece\u5907\u4efd\uff0c\u4e3b\u6302\u6389\u7684\u65f6\u5019\uff0c\u4ece\u9876\u4e0a\u53bb\uff0c\u4e0d\u8f93\u51fa\u4e8c\u8fdb\u5236\u65e5\u5fd7\u600e\u4e48\u884c\r\nrelay_log_recovery = 1 # \u5f53slave\u5b95\u673a\u540e\uff0c\u5047\u8bberelay-log\u635f\u574f\u4e86\uff0c\u5bfc\u81f4\u4e00\u90e8\u5206\u4e2d\u7ee7\u65e5\u5fd7\u6ca1\u6709\u5904\u7406\uff0c\u5219\u81ea\u52a8\u653e\u5f03\u6240\u6709\u672a\u6267\u884c\u7684relay-log,\u5e76\u4e14\u91cd\u65b0\u4ecemaster\u4e0a\u83b7\u53d6\u65e5\u5fd7\uff0c\u8fd9\u6837\u5c31\u4fdd\u8bc1\u4e86\r\nrelay-log\u7684\u5b8c\u6574\u6027\u3002 (MySQL 5.5\u4e2d\u7684\u65b0\u53c2\u6570)\r\nslave_skip_errors=1023,1062 # \u81ea\u52a8\u8df3\u8fc71023\u9519\u8bef(\u8bb0\u5f55\u6ca1\u627e\u5230)\u30011062(\u4e3b\u952e\u91cd\u590d)\u9519\u8bef\u3002show variables like 'slave_skip%';<\/pre>\n
mysqldump\u53c2\u6570<\/h2>\n
-A
\n\u8f6c\u50a8\u6240\u6709\u6570\u636e\u5e93\u4e2d\u7684\u6240\u6709\u8868\u3002
\n--master-data
\n\u8be5\u9009\u9879\u5c06\u4e8c\u8fdb\u5236\u65e5\u5fd7\u7684\u4f4d\u7f6e\u548c\u6587\u4ef6\u540d\u5199\u5165\u5230\u8f93\u51fa\u4e2d\u3002\u8be5\u9009\u9879\u8981\u6c42\u6709RELOAD\u6743\u9650\uff0c\u5e76\u4e14\u5fc5\u987b\u542f\u7528\u4e8c\u8fdb\u5236\u65e5\u5fd7\u3002\u5982\u679c\u8be5\u9009\u9879\u503c\u7b49\u4e8e1\uff0c\u4f4d\u7f6e\u548c\u6587\u4ef6\u540d\u88ab\u5199\u5165CHANGE MASTER\u8bed\u53e5\u5f62\u5f0f\u7684\u8f6c\u50a8\u8f93\u51fa\uff0c
\n\u5982\u679c\u4f60\u4f7f\u7528\u8be5SQL\u8f6c\u50a8\u4e3b\u670d\u52a1\u5668\u4ee5\u8bbe\u7f6e\u4ece\u670d\u52a1\u5668\uff0c\u4ece\u670d\u52a1\u5668\u4ece\u4e3b\u670d\u52a1\u5668\u4e8c\u8fdb\u5236\u65e5\u5fd7\u7684\u6b63\u786e\u4f4d\u7f6e\u5f00\u59cb\u3002\u5982\u679c\u9009\u9879\u503c\u7b49\u4e8e2\uff0cCHANGE MASTER\u8bed\u53e5\u88ab\u5199\u6210SQL\u6ce8\u91ca\u3002
\n--single-transaction
\nInnoDB \u8868\u5728\u5907\u4efd\u65f6\uff0c\u901a\u5e38\u542f\u7528\u9009\u9879 --single-transaction \u6765\u4fdd\u8bc1\u5907\u4efd\u7684\u4e00\u81f4\u6027
\n--single-transaction --master-data
\n\u5728\u542f\u7528binlog\u7684\u573a\u666f\u4e0b\uff0c\u5982\u679c\u9700\u8981\u5907\u4efdinnodb\uff0c\u5c31\u9700\u89812\u4e2a\u53c2\u6570\u4e00\u8d77\u7528\u624d\u80fd\u4fdd\u8bc1\u5907\u4efd\u6570\u636e\u4e00\u81f4\u6027\u5e76\u4e14\u8bb0\u5f55\u5f53\u65f6\u7684binlog\u4fe1\u606f\u3002
\n1 mysqldump\u5bfc\u51fa\u6570\u636e\u4e3b\u8981\u6709\u4e24\u79cd\u63a7\u5236\uff1a\u4e00\u79cd\u662f\u5bfc\u51fa\u7684\u5168\u8fc7\u7a0b\u90fd\u52a0\u9501 lock-all-tables, \u53e6\u4e00\u79cd\u5219\u662f\u4e0d\u52a0\u3002\u524d\u8005\u4f1a\u5728\u5bfc\u51fa\u5f00\u59cb\u65f6\u6267\u884c FLUSH TABLES WITH READ LOCK; \u4e5f\u5c31\u662f\u52a0\u5168\u5c40\u8bfb\u9501\uff0c\u4f1a\u963b\u585e\u5176\u5b83\u5199\u64cd\u4f5c\uff0c\u4ee5\u4fdd\u8bc1\u5bfc\u51fa\u662f\u4e00\u81f4\u6027\u7684\uff1b\u56e0\u6b64\u53ea\u6709\u5728\u5bfc\u51fa\u6d4b\u8bd5\u6570\u636e\u65f6\u6216\u5bfc\u51fa\u65f6\u6ca1\u6709\u4e1a\u52a1\u8fde\u63a5\u64cd\u4f5c\u65f6\u53ef\u4e0d\u52a0 lock-all-tables .
\n\u81f3\u4e8e\u8bf4\u4e00\u81f4\u6027\u5bfc\u51fa\u7684\u53e6\u4e00\u79cd\u65b9\u5f0f single-transaction, \u5219\u662f\u6709\u9002\u7528\u8303\u56f4\u7684\uff0c\u89c1\u4e0b\u8fb9\u3002<\/p>\n
2 single-transaction \u9009\u9879\u548c lock-all-tables \u9009\u9879\u662f\u4e8c\u9009\u4e00\u7684\uff0c\u524d\u8005\u662f\u5728\u5bfc\u51fa\u5f00\u59cb\u65f6\u8bbe\u7f6e\u4e8b\u52a1\u9694\u79bb\u72b6\u6001\u5e76\u4f7f\u7528\u4e00\u81f4\u6027\u5feb\u7167\u5f00\u59cb\u4e8b\u52a1,\u800c\u540e\u9a6c\u4e0aunlock tables\uff0c\u7136\u540e\u6267\u884c\u5bfc\u51fa,\u5bfc\u51fa\u8fc7\u7a0b\u4e0d\u5f71\u54cd\u5176\u5b83\u4e8b\u52a1\u6216\u4e1a\u52a1\u8fde\u63a5\uff0c\u4f46\u53ea\u652f\u6301\u7c7b\u4f3cinnodb\u591a\u7248\u672c\u7279\u6027\u7684\u5f15\u64ce\uff0c\u56e0\u4e3a\u5fc5\u987b\u4fdd\u8bc1\u5373\u4f7f\u5bfc\u51fa\u671f\u95f4\u5176\u5b83\u64cd\u4f5c(\u4e8b\u52a1\u70b9t2)\u6539\u53d8\u4e86\u6570\u636e\uff0c\u800c\u5bfc\u51fa\u65f6\u4ecd\u80fd\u53d6\u51fa\u5bfc\u51fa\u5f00\u59cb\u7684\u4e8b\u52a1\u70b9t1\u65f6\u7684\u6570\u636e\u3002\u800clock-all-tables\u5219\u4e00\u5f00\u59cb\u5c31 FLUSH TABLES WITH READ LOCK; \u52a0\u5168\u5c40\u8bfb\u9501\uff0c\u76f4\u5230dump\u5b8c\u6bd5\u3002
\n-- \u5173\u4e8e\u4e00\u81f4\u6027\u5feb\u7167\uff0c\u7b80\u5355\u5730\u8bf4\uff0c\u5c31\u662f\u901a\u8fc7\u56de\u6eda\u6bb5\u80fd\u8bb0\u5f55\u4e0d\u540c\u7684\u4e8b\u52a1\u70b9\u7684\u5404\u7248\u672c\u6570\u636e
\n-- single-transaction \u7684\u6d41\u7a0b\u5982\u4e0b\uff1a
\nSET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ
\nSTART TRANSACTION \/*!40100 WITH CONSISTENT SNAPSHOT *\/
\nSHOW MASTER STATUS -- \u8fd9\u4e00\u6b65\u5c31\u662f\u53d6\u51fa binlog index and position
\nUNLOCK TABLES
\n...dump...<\/p>\n
3 master_data \u9009\u9879\u5f00\u542f\u65f6\u9ed8\u8ba4\u4f1a\u6253\u5f00lock-all-tables\uff0c\u56e0\u6b64\u540c\u65f6\u5b9e\u73b0\u4e86\u4e24\u4e2a\u529f\u80fd\uff0c\u4e00\u4e2a\u662f\u52a0\u9501\uff0c\u4e00\u4e2a\u662f\u53d6\u5f97log\u4fe1\u606f\u3002
\nmaster_data\u53d61\u548c\u53d62\u7684\u533a\u522b\uff0c\u53ea\u662f\u540e\u8005\u628a change master ... \u547d\u4ee4\u6ce8\u91ca\u8d77\u6765\u4e86\uff0c\u6ca1\u591a\u5927\u5b9e\u9645\u533a\u522b\uff1b<\/p>\n
4 \u5f53master_data\u548c single_transaction \u540c\u65f6\u4f7f\u7528\u65f6\uff0c\u5148\u52a0\u5168\u5c40\u8bfb\u9501\uff0c\u7136\u540e\u8bbe\u7f6e\u4e8b\u52a1\u4e00\u81f4\u6027\u548c\u4f7f\u7528\u4e00\u81f4\u6027\u5feb\u7167\u5f00\u59cb\u4e8b\u52a1\uff0c\u7136\u540e\u9a6c\u4e0a\u5c31\u53d6\u6d88\u9501\uff0c\u7136\u540e\u6267\u884c\u5bfc\u51fa\u3002\u8fc7\u7a0b\u5982\u4e0b
\nFLUSH TABLES WITH READ LOCK
\nSET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ
\nSTART TRANSACTION \/*!40100 WITH CONSISTENT SNAPSHOT *\/
\nSHOW MASTER STATUS -- \u8fd9\u4e00\u6b65\u5c31\u662f\u53d6\u51fa binlog index and position
\nUNLOCK TABLES
\n...dump...<\/p>\n
5 \u603b\u7ed3\uff0c\u4e86\u89e3\u4e86\u8fd9\u4e9b\u9009\u9879\u4f5c\u7528\u540e\uff0c\u4f7f\u7528\u8d77\u6765\u5c31\u660e\u786e\u4e86.
\n\u5982\u679c\u9700\u8981binlog\u4fe1\u606f\u5219\u4f7f\u7528 master_data;
\n\u5982\u679c\u4e0d\u60f3\u963b\u585e\u540c\u65f6\u8868\u662finnodb\u5f15\u64ce\u53ef\u4f7f\u7528 single_transaction \u53d6\u5f97\u4e00\u81f4\u6027\u5feb\u7167(\u53d6\u51fa\u7684\u6570\u636e\u662f\u5bfc\u51fa\u5f00\u59cb\u65f6\u523b\u4e8b\u52a1\u70b9\u7684\u72b6\u6001)
\n\u5982\u679c\u8868\u4e0d\u652f\u6301\u591a\u7248\u672c\u7279\u6027\uff0c\u5219\u53ea\u80fd\u4f7f\u7528 lock-all-tables \u963b\u585e\u65b9\u5f0f\u6765\u4fdd\u8bc1\u4e00\u81f4\u6027\u7684\u5bfc\u51fa\u6570\u636e\u3002
\n\u5f53\u7136\uff0c\u5982\u679c\u80fd\u4fdd\u8bc1\u5bfc\u51fa\u671f\u95f4\u6ca1\u6709\u4efb\u4f55\u5199\u64cd\u4f5c\uff0c\u53ef\u4e0d\u52a0\u6216\u5173\u95ed lock-all-tables<\/p>\n
-q --quick \u53ef\u4ee5\u7406\u89e3\u4e3a\u5feb\u901f\u5907\u4efd\uff0c\u7279\u522b\u662f\u5728\u6570\u636e\u91cf\u5927\u7684\u65f6\u5019 \u4e00\u5b9a\u8bb0\u5f97\u52a0\u4e0a\u8fd9\u4e2a\u9009\u9879<\/p>\n
MySQL 5.5\u91cc\uff0c\u65b0\u589e\u4e86\u4e00\u4e2a\u91cd\u8981\u7684\u53c2\u6570\uff0c--dump-slave,\u4f7f\u7528\u8be5\u53c2\u6570\u53ef\u5728slave\u7aefdump\u6570\u636e\uff0c\u5efa\u7acb\u65b0\u7684slave\uff0c\u5176\u76ee\u7684\u662f\u4e3a\u4e86\u9632\u6b62\u5bf9\u4e3b\u5e93\u9020\u6210\u8fc7\u5927\u7684\u538b\u529b\u3002
\nmysqldump -A --dump-slave=2 -q --single-transaction > all.sql<\/p>\n
\u6ce8\u610f\u4e8b\u9879<\/h2>\n
\u4e3b\u4ece\u540c\u6b65\uff0c\u6700\u597d\u4e3b\u548c\u4ece\u7684MySQL\u7248\u672c\u4e00\u81f4\uff0c\u5982\u679c\u4e0d\u4e00\u81f4\uff0c\u4e5f\u8981\u4fdd\u8bc1master\u662f\u4f4e\u7248\u672c\uff0cslave\u662f\u9ad8\u7248\u672c\u3002(\u5982\u679c\u4e3b\u662f\u9ad8\u7248\u672c\uff0c\u4ece\u662f\u4f4e\u7248\u672c\uff0c\u4e3b\u652f\u6301\u4e86\u65b0\u7684\u5b57\u7b26\u96c6\uff0c\u540c\u6b65\u5230\u4ece\u4e0a\u9762\u4e0d\u5c31\u51fa\u9519\u4e86\u5417)
\n\u5927\u5bb6\u6240\u8ffd\u6c42\u7684\u4e3b\u4ece\u96f6\u5ef6\u8fdf\u5176\u5b9e\u662f\u4e00\u628a\u53cc\u5203\u5251\uff0c\u4e3b\u4ece\u5ef6\u65f6\u5c0f\uff0c\u6570\u636e\u4e00\u81f4\u6027\u9ad8\uff0c\u4ece\u5e93\u80fd\u6709\u6548\u7684\u5206\u62c5\u6570\u636e\u5e93\u8bfb\u64cd\u4f5c\u7684\u538b\u529b\u3002\u4f46\u662f\uff0c\u4e3b\u4ece\u6beb\u79d2\u7ea7\u7684\u540c\u6b65\u4f1a\u6709\u4e00\u4e2a\u5b89\u5168\u9690\u60a3\uff0c\u5982\u679c\u4e3b\u4e0a\u6267\u884c\u4e86\u9519\u8bef\u7684SQL\u8bed\u53e5\uff0c\u4ece\u5e93\u4e0a\u4e5f\u4f1a\u9a6c\u4e0a\u6267\u884c\uff0c\u6240\u4ee5\uff0c\u6211\u4eec\u8981\u5728\u4e00\u53f0\u4e13\u95e8\u7528\u4e8e\u5907\u4efd\u7684\u4ece\u5e93\u4e0a\u542f\u7528\u5ef6\u65f6\u540c\u6b65\uff0c
\n\u4ece MySQL 5.6\u5f00\u59cb\u652f\u6301\u5ef6\u65f6\u5907\u4efd\uff0c\u589e\u52a0\u4e86\u65b0\u53c2\u6570MASTER_DELAY\uff1a<\/p>\n
change master to master_delay = N\uff1b
\nN\u4e3a\u4ece\u5e93\u5ef6\u8fdf\u4e3b\u5e93\u7684\u79d2\u6570\uff0c\u9ed8\u8ba4\u662f0\u3002\u5982\u679c\u60f3\u8981\u4ece\u5e93\u5ef6\u8fdf\u4e00\u5c0f\u65f6\uff0c\u5219\u53ef\uff1a<\/p>\n
stop slave;
\nchange master to master_delay = 3600;
\nstart slave;
\n\u4e00\u5c0f\u65f6\u540e\u4ece\u5e93\u624d\u4f1a\u5f00\u59cb\u540c\u6b65\u6570\u636e\u3002
\n\u901a\u8fc7\u5ef6\u8fdf\u5907\u4efd\u7684\u65b9\u6cd5\u5f88\u597d\u7684\u89e3\u51b3\u4e86\u4e3b\u7684\u8bef\u64cd\u4f5c\u5f71\u54cd\u5230\u4ece\uff0c\u524d\u63d0\u662f\u4ece\u5141\u8bb8\u5ef6\u8fdf\u4e00\u5b9a\u7684\u65f6\u95f4\u3002\u90a3\u5982\u4f55\u89e3\u51b3\u5462\uff1f\u5f53\u5728\u4e3b\u4e0a\u6267\u884c\u4e86\u8bef\u64cd\u4f5c\u4e4b\u540e\uff0c\u56de\u5230\u4ece\u4e0a\u6267\u884c stop slave;
\n\u518d\u6267\u884c\uff1a<\/p>\n
\r\nCHANGE MASTER TO MASTER_LOG_FILE = 'log_name', MASTER_LOG_POS = log_pos;\r\n# Pos\u901a\u8fc7mysqlbinlog\u67e5\u770b\u4e8c\u8fdb\u5236\u65e5\u5fd7\u83b7\u5f97\u3002<\/pre>\n
\u8fd9\u6837\u5c31\u8df3\u8fc7\u4e86\u9519\u8bef\uff0c\u6700\u540e\u901a\u8fc7\u5207\u6362\u4e3b\u4ece\u6216\u5219\u628a\u4ece\u7684\u8868\u8986\u76d6\u5230\u4e3b\u4e0a\uff08\u9700\u8981\u5173\u95ed\u5e94\u7528\uff09\u8ba9\u4e3b\u7684\u8bef\u64cd\u4f5c\u7684\u6570\u636e\u6062\u590d\uff0c\u548c\u901a\u8fc7binlog\u548c\u5907\u4efd\u6bd4\u5927\u5927\u51cf\u5c11\u4e86\u6062\u590d\u65f6\u95f4\u3002<\/p>\n
tips<\/h2>\n
\u5728\u4e13\u95e8\u7528\u4e8e\u5907\u4efd\u7684\u4ece\u5e93\u4e0a\uff0c\u6267\u884c\u5907\u4efd\u64cd\u4f5c\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u5148\u628aSQL_THREAD\u7ebf\u7a0b\u505c\u6b62\uff0c\u7b49\u5230\u5907\u4efd\u6210\u529f\u540e\uff0c\u6062\u590d\u8be5\u7ebf\u7a0b\uff0c\u800cIO_THREAD\u8fd8\u662f\u7ee7\u7eed\u95ee\u4e3b\u670d\u52a1\u5668\u4e0b\u8f7d\u4e8c\u8fdb\u5236\u53d8\u66f4\u4fe1\u606f\u3002
\n\u8fd9\u6837\u5907\u4efd\u80fd\u5f88\u597d\u7684\u4fdd\u8bc1\u6570\u636e\u5b8c\u6574\u6027\uff0c\u800c\u4e14\u4e0d\u7528\u9501\u8868\u4e4b\u7c7b\u7684\u64cd\u4f5c\u3002<\/p>\n
\u4e0ebinlog\u65e5\u5fd7\u4e0d\u540c\u7684\u662f\uff0c\u5f53\u4e0d\u9700\u8981\u7684\u65f6\u5019\uff0crelaylog\u65e5\u5fd7\u4f1a\u88abSQL\u7ebf\u7a0b\u81ea\u52a8\u5220\u9664\uff0c\u4e0d\u9700\u8981\u624b\u52a8\u5220\u9664
\nbinlog\u6587\u4ef6\u7684\u5220\u9664\uff0c\u4e0d\u80fd\u76f4\u63a5\u5728\u6587\u4ef6\u7cfb\u7edf\u4e0a\u5220\u9664\uff0c\u5f97 purge master logs to 'mysql-bin.000003',\u6267\u884c\u6b64\u8bed\u53e5\u4f1a\u7559\u4e0bmysql-bin.000003\uff0c\u800c\u5220\u9664\u66f4\u65e9\u7684mysql-bin.000002\u548cmysql-bin.000001
\n\u3002reset master\u4f1a\u5220\u9664\u6240\u6709\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\uff0c\u614e\u7528\u3002<\/p>\n
\u642d\u5efa\u540c\u6b65\u7ed3\u6784<\/h2>\n
\u4e3a\u4fdd\u8bc1\u4e3b\u4ece\u590d\u5236\u7684\u901f\u5ea6\u548c\u7a33\u5b9a\u6027\uff0c\u8fd9\u91cc\u5355\u72ec\u62ff\u4e86\u4e00\u5757\u7f51\u5361\u7528\u6765\u4e13\u95e8\u505a\u4e3b\u4ece\u6570\u636e\u4f20\u8f93\uff0c\u82e5\u4e3b\u4ece\u670d\u52a1\u5668\u5728\u540c\u4e00\u673a\u67b6\uff0c\u800c\u4e14\u53ea\u6709\u4e00\u53f0\u4ece\u7684\u60c5\u51b5\uff0c\u53ef\u4ee5\u7528\u5343\u5146\u7f51\u7ebf\u76f4\u8fde\u4e24\u53f0\u670d\u52a1\u5668\uff0c\u8fd9\u6837\u5c31\u7b97\u63a5\u5165\u5c42\u7684\u4ea4\u6362\u673a\u6302\u4e86\uff0c\u4f60\u4e3b\u4ece\u90fd\u4e0d\u4f1a\u51fa\u95ee\u9898\uff0c\u8fd9\u4e5f\u662f\u9884\u9632\u4e00\u4e9b\u9ad8\u53ef\u7528\u8f6f\u4ef6\u8111\u88c2\u7684\u4e00\u4e2a\u65b9\u6cd5\uff0c\u6bd4\u5982\u8bf4\u4e09\u5f20\u7f51\u5361\uff0c\u4e00\u5f20\u7528\u6765\u63d0\u4f9b\u670d\u52a1\uff0c\u4e00\u5f20\u4ea4\u53c9\u7ebf\u76f4\u8fde\u505a\u5fc3\u8df3\uff0c\u5269\u4e0b\u7684\u63d2\u5230\u540c\u4e00\u4e2a\u4ea4\u6362\u673a\u4e0a\u505a\u5fc3\u8df3\u3002<\/p>\n
\u7f51\u7edc\u60c5\u51b5<\/h2>\n
master\u7684IP 192.168.2.4 10.0.0.4
\nslave\u7684IP 192.168.2.6 10.0.0.6
\n10.0.0.0\u7f51\u6bb5\u4e13\u95e8\u7528\u4f5c\u540c\u6b65\u6570\u636e<\/p>\n
\u4fee\u6539\u914d\u7f6e\u6587\u4ef6<\/h2>\n
\u65e0\u9700\u914d\u7f6e\u4e3b\u5e93\u7684my.cnf\u6587\u4ef6\uff0c\u4e3b\u5e93\u7684log-bin\u548cserver-id\u53c2\u6570\u9ed8\u8ba4\u5c31\u662f\u914d\u7f6e\u597d\u7684\u3002
\n\u4ece\u5e93my.cnf\u914d\u7f6e\uff1a<\/p>\n
\r\n[mysqld]\r\nserver-id = 8 # \u4e0d\u80fd\u548c\u4e3b\u5e93\u76f8\u540c\uff0c\u63a8\u8350\u8bbe\u6210ip\u5730\u5740\u6700\u540e\u4e00\u4f4d\r\nlog-bin = mysql-bin \r\nlog-bin-index = mysql-bin # \u5f00\u542f\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u5e76\u6307\u5b9a\u65e5\u5fd7\u7684\u6587\u4ef6\u540d\u53ca\u7d22\u5f15\u7684\u6587\u4ef6\u540d\u3002\r\nrelay-log = relay-bin \r\nrelay-log-index = relay-bin  # \u5f00\u542f\u4e2d\u7ee7\u65e5\u5fd7\u5e76\u6307\u5b9a\u4e2d\u7ee7\u65e5\u5fd7\u7684\u6587\u4ef6\u540d\u3002\r\nlog-slave-updates \r\n# \u8bbe\u5b9a\u4e86slave\u7684\u4e8c\u8fdb\u5236\u65e5\u5fd7\u8f93\u51fa\uff0c\u6709\u4e24\u4e2a\u7528\u5904\uff0c\u7ea7\u8054\u540c\u6b65\u7684\u65f6\u5019\uff0c\u4e00\u5b9a\u5f97\u5f00\u542f\u8fd9\u4e2a\u9009\u9879\uff1b\u7b2c\u4e8c\uff0cMySQL\u7684\u540c\u6b65\u64cd\u4f5c\u4e2dmaster\u5fc5\u987b\u8f93\u51fa\u4e8c\u8fdb\u5236\u65e5\u5fd7\uff0c\u4e3a\u4e86\u4f7fslave\u5347\u683c\u4e3amaster\u80fd\u987a\u5229\u8fdb\u884c\uff0c\u4e8b\u5148\u5bf9slave\u8bbe\u5b9a\u597d\u4e8c\u8fdb\u5236\u65e5\u5fd7\u8f93\u51fa\u662f\u8f83\u597d\u7684\u9009\u62e9\u3002\r\n<\/pre>\n
\u5efa\u7acb\u540c\u6b65\u4e13\u7528\u7684\u7528\u6237<\/h2>\n
grant replication slave on *.* to rep@'10.0.0.%' identified by '123456';
\nflush privileges;<\/p>\n
\u540c\u6b65\u5f00\u59cb\u524d\u7684\u6570\u636e\u51c6\u5907<\/h2>\n
\u8fd9\u4e2a\u6570\u636e\u51c6\u5907\u5176\u5b9e\u5c31\u662fslave\u7684\u521d\u59cb\u6570\u636e\u7684\u51c6\u5907\uff0c\u5728\u80fd\u505c\u6b62master\u7684mysqld\u7684\u60c5\u51b5\u4e0b\uff0c\u76f4\u63a5\u7528tar\u6253\u5305\u590d\u5236\u5305\u542b\u6709MyISAM\u548cInnoDB\u6570\u636e\u6587\u4ef6\u7684MySQL\u6570\u636e\u76ee\u5f55\uff0c\u6216\u8005\u4f7f\u7528LVM\u7684\u5feb\u7167\u529f\u80fd\uff0c\u51cf\u5c11\u82b1\u8d39\u7684\u65f6\u95f4\u3002\u4f7f\u7528tar --exclude\u9009\u9879\u6392\u9664\u4e0d\u5fc5\u8981\u7684\u6587\u4ef6\uff08\u4e8c\u8fdb\u5236\u6587\u4ef6\uff09\uff0c\u4ece\u800c\u7f29\u77ed\u590d\u5236\u540c\u6b65\u7684\u65f6\u95f4\u3002
\n\u5728\u4e0d\u80fd\u505c\u6b62mysqld\u7684\u60c5\u51b5\u4e0b\uff0c\u53ea\u597d\u901a\u8fc7\u8ba1\u5212\u4efb\u52a1\u5728\u51cc\u6668\u6765\u5bfc\u51fa\u6570\u636e\u4e86\u3002
\n\u5148\u5728\u4e3b\u5e93\u4e0a\u5bfc\u51fa\u4e00\u4efd\u5168\u91cf\u6570\u636e
\nmysqldump -uroot -p -A --events -B -x --master-data=1 |gzip > $(date +%F).all.sql
\n--master-data=1 \u53c2\u6570\u4f1a\u5728\u5907\u4efd\u6570\u636e\u91cc\u589e\u52a0\u5982\u4e0b\u8bed\u53e5\uff1a
\n-- Position to start replication or point-in-time recovery from
\nCHANGE MASTER TO MASTER_LOG_FILE='mysql-bin-.000013',MASTER_LOG_POS=120;<\/p>\n
\u7136\u540e\u7528scp\u62f7\u8d1d\u5230slave\u4e0a
\nscp all.sql root@192.168.2.6:\/root\/
\n\u6570\u636e\u91cf\u5927\u7684\u8bdd\uff0c\u53ef\u4ee5\u8003\u8651\u7528rsync\u6216\u8005\u642d\u5efaFTP\uff0c\u5728slave\u7aef\u7528\u591a\u7ebf\u7a0b\u4e0b\u8f7d\u3002
\n\u5728\u4ece\u5e93\u4e0a\u628a\u6570\u636e\u5bfc\u5165\uff1a
\n\u767b\u5f55\u5230MySQL\u91cc\u9762\uff0c\u6267\u884c source \/root\/all.sql;<\/p>\n
\u786e\u8ba4master\u914d\u7f6e\u6587\u4ef6<\/h2>\n
\u67e5\u770b\u4e8c\u8fdb\u5236\u65e5\u5fd7log_bin\u662f\u5426\u5f00\u542f\u4e86<\/p>\n
mysql> show global variables like 'log%';\r\n+----------------------------------------+--------------------------------------------+\r\n| Variable_name                          | Value                                      |\r\n+----------------------------------------+--------------------------------------------+\r\n| log_bin                                | ON                                         |\r\n| log_bin_basename                       | \/alidata\/server\/mysql\/data\/mysql-bin       |\r\n| log_bin_index                          | \/alidata\/server\/mysql\/data\/mysql-bin.index |\r\n+----------------------------------------+--------------------------------------------+<\/pre>\n
\u67e5\u770bserver-id<\/p>\n
mysql> show global variables like 'server%';\r\n+----------------+--------------------------------------+\r\n| Variable_name  | Value                                |\r\n+----------------+--------------------------------------+\r\n| server_id      | 1                                    |\r\n| server_id_bits | 32                                   |\r\n| server_uuid    | cc9fb410-4655-11e6-9d80-000c2959b65a |\r\n+----------------+--------------------------------------+<\/pre>\n
\u786e\u8ba4slave\u914d\u7f6e\u6587\u4ef6<\/h2>\n
\u67e5\u770b\u4e2d\u7ee7\u65e5\u5fd7\u662f\u5426\u5f00\u542f<\/p>\n
\r\nmysql> show global variables like 'relay%';\r\n+---------------------------+--------------------------------------------+\r\n| Variable_name             | Value                                      |\r\n+---------------------------+--------------------------------------------+\r\n| relay_log                 | relay-bin                                  |\r\n| relay_log_basename        | \/alidata\/server\/mysql\/data\/relay-bin       |\r\n| relay_log_index           | \/alidata\/server\/mysql\/data\/relay-bin.index |\r\n| relay_log_info_file       | relay-log.info                             |\r\n| relay_log_info_repository | FILE                                       |\r\n| relay_log_purge           | ON                                         |\r\n| relay_log_recovery        | OFF                                        |\r\n| relay_log_space_limit     | 0                                          |\r\n+---------------------------+--------------------------------------------+<\/pre>\n
\u67e5\u770bserver-id\u662f\u5426\u548c\u5176\u4ed6\u673a\u5668\u51b2\u7a81<\/p>\n
\r\nmysql> show global variables like 'server%';\r\n+----------------+--------------------------------------+\r\n| Variable_name  | Value                                |\r\n+----------------+--------------------------------------+\r\n| server_id      | 12                                   |\r\n| server_id_bits | 32                                   |\r\n| server_uuid    | 5f8acc91-47f6-11e6-a81c-000c2935ef78 |\r\n+----------------+--------------------------------------+<\/pre>\n
\u542f\u52a8\u540c\u6b65<\/h2>\n
CHANGE MASTER TO
\nMASTER_HOST='10.0.0.4', master\u7684ip
\nMASTER_PORT='3306',
\nMASTER_USER='rep', master\u4e0a\u4e13\u7528\u4e8e\u540c\u6b65\u7684\u5e10\u53f7
\nMASTER_PASSWORD='123456', rep\u5e10\u53f7\u7684\u5bc6\u7801
\nMASTER_LOG_FILE='mysql-bin.000013', \u5728master\u4e0a\u6267\u884cshow master status\\G;\u5f97\u5230\u7684\u4f4d\u7f6e\u70b9\u4fe1\u606f
\nMASTER_LOG_POS=120;
\nstart slave
\n\u8fd9\u91cc\u53ef\u4ee5\u65e0\u9700\u6307\u5b9abinlog\u6587\u4ef6\u540d\u548cpos\u70b9\u4fe1\u606f\uff0c\u56e0\u4e3a\u521a\u521a\u5907\u4efd\u7684\u65f6\u5019\u52a0\u4e86--master-data=1 \u53c2\u6570\uff0c\u8fd8\u539f\u6570\u636e\u5e93\u7684\u65f6\u5019\uff0c\u4f4d\u7f6e\u70b9\u4fe1\u606f\u5df2\u7ecf\u5728SQL\u8bed\u53e5\u91cc\u9762\u4e86\u3002
\n\u6267\u884c\u8fd9\u6761\u547d\u4ee4\u5176\u5b9e\u672c\u8d28\u662f\u5728\u66f4\u65b0master.info\u6587\u4ef6\uff0cmaster.info\u6587\u4ef6\u672c\u6765\u662f\u6ca1\u6709\u7684\uff0c\u56e0\u4e3a\u6211\u4eec\u5728\u4e3b\u5e93\u4e0a\u7528mysqldump\u5907\u4efd\u6570\u636e\u7684\u65f6\u5019\u52a0\u4e86--master_data\u53c2\u6570\uff0c\u5728\u4ece\u5e93\u4e0a\u5bfc\u5165\u6570\u636e\u7684\u65f6\u5019\uff0c\u4f1a\u751f\u6210\u4e00\u4e2a\u7b80\u7565\u7684master.info\u6587\u4ef6\u3002<\/p>\n
\u67e5\u770b\u540c\u6b65\u72b6\u6001<\/h2>\n
mysql> show slave status\\G;
\n*************************** 1. row ***************************
\n               Slave_IO_State: Waiting for master to send event
\n                  Master_Host: 10.0.0.4
\n                  Master_User: rep
\n                  Master_Port: 3306
\n                Connect_Retry: 60
\n              Master_Log_File<\/strong>: mysql-bin.000013
\n          Read_Master_Log_Pos<\/strong>: 403
\n               Relay_Log_File: relay-bin.000002
\n                Relay_Log_Pos: 566
\n        Relay_Master_Log_File<\/strong>: mysql-bin.000013
\n             Slave_IO_Running: Yes
\n            Slave_SQL_Running: Yes
\n              Replicate_Do_DB:
\n          Replicate_Ignore_DB:
\n           Replicate_Do_Table:
\n       Replicate_Ignore_Table:
\n      Replicate_Wild_Do_Table:
\n  Replicate_Wild_Ignore_Table:
\n                   Last_Errno: 0
\n                   Last_Error:
\n                 Skip_Counter: 0
\n          Exec_Master_Log_Pos<\/strong>: 403
\n              Relay_Log_Space: 733
\n              Until_Condition: None
\n               Until_Log_File:
\n                Until_Log_Pos: 0
\n           Master_SSL_Allowed: No
\n           Master_SSL_CA_File:
\n           Master_SSL_CA_Path:
\n              Master_SSL_Cert:
\n            Master_SSL_Cipher:
\n               Master_SSL_Key:
\n        Seconds_Behind_Master: 0
\nMaster_SSL_Verify_Server_Cert: No
\n                Last_IO_Errno: 0
\n                Last_IO_Error:
\n               Last_SQL_Errno: 0
\n               Last_SQL_Error:
\n  Replicate_Ignore_Server_Ids:
\n             Master_Server_Id: 1
\n                  Master_UUID: cc9fb410-4655-11e6-9d80-000c2959b65a
\n             Master_Info_File: \/alidata\/server\/data\/master.info
\n                    SQL_Delay: 0
\n          SQL_Remaining_Delay: NULL
\n      Slave_SQL_Running_State: Slave has read all relay log; waiting for the slave I\/O thread to update it
\n           Master_Retry_Count: 86400
\n                  Master_Bind:
\n      Last_IO_Error_Timestamp:
\n     Last_SQL_Error_Timestamp:
\n               Master_SSL_Crl:
\n           Master_SSL_Crlpath:
\n           Retrieved_Gtid_Set:
\n            Executed_Gtid_Set:
\n                Auto_Position: 0<\/p>\n
\u52a0\u7c97\u7684\u91cd\u8981\u53c2\u6570\u89e3\u91ca\uff1a<\/p>\n
IO\u7ebf\u7a0b<\/h2>\n
Master_Log_File: mysql-bin.000013 \u6b63\u5728\u8bfb\u53d6master\u4e0abinlog\u65e5\u5fd7\u540d
\nRead_Master_Log_Pos: 403  \u6b63\u5728\u8bfb\u53d6master\u4e0a\u5f53\u524dbinlog\u65e5\u5fd7\u7684POS\u70b9\u3002<\/p>\n
SQL\u7ebf\u7a0b<\/h2>\n
Relay_Master_Log_File: mysql-bin.000013  \u6b63\u5728\u540c\u6b65master\u4e0a\u7684binlog\u65e5\u5fd7\u540d
\nExec_Master_Log_Pos: 403   \u6b63\u5728\u540c\u6b65\u5f53\u524dbinlog\u65e5\u5fd7\u7684POS\u70b9\u3002<\/p>\n
\u9047\u5230\u7684\u9519\u8bef<\/h2>\n
mysql> start slave;
\nERROR 1872 (HY000): Slave failed to initialize relay log info structure from the repository
\n\u89e3\u51b3\u65b9\u6cd5
\n\u5728\u6570\u636e\u5b58\u653e\u76ee\u5f55\u91cc\u9762\uff0c\u5220\u9664\u4ee5\u524d\u7684\u4e2d\u7ee7\u65e5\u5fd7
\n\\rm relay*<\/p>\n
\u9644\u8868\uff1a
\n\"biaoge\"<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e3b\u4ece\u590d\u5236\u539f\u7406 1\u3001slave\u4e0a\u7684IO\u7ebf\u7a0b\u62ff\u7740master.info\u6587\u4ef6\u91cc\u9762\u7684\u4fe1\u606f\u53bb\u8fde\u63a5master\uff0c\u5e76\u8bf7\u6c42\u4ecebinlog\u65e5\u5fd7\u6587\u4ef6\u7684\u6307\u5b9a\u4f4d\u7f6e(\u6216\u8005\u4ece\u6700\u5f00\u59cb\u7684\u4f4d\u7f6e)\u5f80\u540e\u7684\u6240\u6709\u5185\u5bb9\u3002 2\u3001master\u9a8c\u8bc1slave\u53d1\u8fc7\u6765\u7684master.info\u540e\uff0c\u901a\u8fc7\u8d1f\u8d23\u590d\u5236\u7684IO\u7ebf\u7a0b\u8fd4\u56de\u76f8\u5e94\u7684\u5185\u5bb9\u7ed9slave\u3002\u8fd4\u56de\u7684\u5185\u5bb9\u5305\u62ecslave\u8bf7\u6c42\u7684\u65e5\u5fd7\u5185\u5bb9\u548c\u672c\u6b21\u54cd\u5e94\u5728master\u670d\u52a1\u5668...<\/p>\n\u9605\u8bfb\u5168\u6587 »<\/a>","protected":false},"author":1,"featured_media":3022,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[43],"class_list":["post-66","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-work","tag-mysql"],"_links":{"self":[{"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/posts\/66"}],"collection":[{"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/comments?post=66"}],"version-history":[{"count":2,"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/posts\/66\/revisions"}],"predecessor-version":[{"id":3029,"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/posts\/66\/revisions\/3029"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/media\/3022"}],"wp:attachment":[{"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/media?parent=66"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/categories?post=66"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/tags?post=66"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}