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Master1MySQL replicationContentsMaster ............................................................................................ 1 ............................................................................................... 2Master# master/cnf/my.cnf[mysqld]server-id=1log-bin=/var/lib/mysql/mysql-bin.logbinlog_format=MIXEDexpire_logs_days=7max_binlog_size=50mmax_binlog_cache_size=256mdocker run --name mysql_master \ --mount type=bind,src=/Users/hfli/mysql-replication/master/cnf/my.cnf,dst=/etc/my.cnf \ --mount type=bind,src=/Users/hfli/mysql-replication/master/data/,dst=/var/lib/mysql \ -e MYSQL_ROOT_PASSWORD=1125482715 \ -d mysql:5.7.24create user 'replication' identified by '1153687060';grant replication slave on *.* to 'replication'@'%' identified by '1153687060';mysql> show master status;+------------------+----------+--------------+------------------+-------------------+| File | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set |+------------------+----------+--------------+------------------+-------------------+| mysql-bin.000003 | 696 | | | |+------------------+----------+--------------+------------------ 2+-------------------+1 row in set (0.00 sec)# slave1/cnf/my.cnf[mysqld]server-id=2docker run --name mysql_slave1 \ --mount type=bind,src=/Users/hfli/mysql-replication/slave1/cnf/my.cnf,dst=/etc/my.cnf \ --mount type=bind,src=/Users/hfli/mysql-replication/slave1/data/,dst=/var/lib/mysql \ --link mysql_master \ -e MYSQL_ROOT_PASSWORD=1125482715 \ -d mysql:5.7.24mysql> change master to master_host='mysql_master',master_user='replication',master_password='1153687060',master_log_file='mysql-bin.000003',master_log_pos=696;Query OK, 0 rows affected, 2 warnings (0.03 sec)mysql> start slave;Query OK, 0 rows affected (0.00 sec)mysql> show slave status\G;*************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: mysql_master Master_User: replication Master_Port: 3306 Connect_Retry: 60 Master_Log_File: mysql-bin.000003 Read_Master_Log_Pos: 696 Relay_Log_File: c17b953fb671-relay-bin.000002 Relay_Log_Pos: 320 Relay_Master_Log_File: mysql-bin.000003 Slave_IO_Running: Yes Slave_SQL_Running: Yes Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 0 Last_Error: Skip_Counter: 0 3 Exec_Master_Log_Pos: 696 Relay_Log_Space: 534 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: 0Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 0 Last_IO_Error: Last_SQL_Errno: 0 Last_SQL_Error: Replicate_Ignore_Server_Ids: Master_Server_Id: 1 Master_UUID: 83a0a667-1d50-11e9-b754-0242ac110002 Master_Info_File: /var/lib/mysql/master.info SQL_Delay: 0 SQL_Remaining_Delay: NULL Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates Master_Retry_Count: 86400 Master_Bind: Last_IO_Error_Timestamp: Last_SQL_Error_Timestamp: Master_SSL_Crl: Master_SSL_Crlpath: Retrieved_Gtid_Set: Executed_Gtid_Set: Auto_Position: 0 Replicate_Rewrite_DB: Channel_Name: Master_TLS_Version:1 row in set (0.00 sec) Last_Errno: 1062 Last_Error: Error 'Duplicate entry '2' for key 'PRIMARY'' on query. Default database: 'foo'. Query: 'INSERT INTO `foo`.`bar` (`id`, `remark`) VALUES ('2', 'existing')'

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