构建MySQL8.0到MySQL5.7主从复制

slave > select @@version;
+---------------+
| @@version     |
+---------------+
| 5.7.17-log |
+---------------+
1 row in set (0.00 sec)

master > select @@version;
+-----------+
| @@version |
+-----------+
| 8.0.12    |
+-----------+
1 row in set (0.00 sec)

slave > show slave statusG
                   Last_Errno: 22
                   Last_Error: Error Character set #255 is not a compiled character set and is not specified in the /data/percona_server/5.7.17/share/charsets/Index.xml file on query. Default database: mysql8_1. Query: create database mysql8_1

# master my.cnf
[client]
default-character-set=utf8
[mysqld]
character-set-server=utf8
collation-server=utf8_unicode_ci

Last_IO_Errno: 2059
Last_IO_Error: error connecting to master root@127.0.0.1:19025 - retry-time: 60 retries: 1

master> CREATE USER replica_user@% IDENTIFIED WITH mysql_native_password BY repli$cat;
master> GRANT REPLICATION SLAVE ON *.* TO replica_user@%;

master > show master statusG
*************************** 1. row ***************************
File: mysql-bin.000007
Position: 155
Binlog_Do_DB:
Binlog_Ignore_DB:
Executed_Gtid_Set:
1 row in set (0.00 sec)

slave > CHANGE MASTER TO MASTER_HOST=127.0.0.1, MASTER_USER=replica_user, MASTER_PASSWORD=repli$cat,MASTER_PORT=19025, MASTER_LOG_FILE=mysql-bin.000007, MASTER_LOG_POS=155; start slave;
Query OK, 0 rows affected, 2 warnings (0.01 sec)
Query OK, 0 rows affected (0.00 sec)

# This procedure works with GTIDs too
slave > CHANGE MASTER TO MASTER_HOST=127.0.0.1, MASTER_USER=replica_user, MASTER_PASSWORD=repli$cat,MASTER_PORT=19025,MASTER_AUTO_POSITION = 1 ; start slave;

master > show slave statusG
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 127.0.0.1
Master_User: replica_user
Master_Port: 19025
Connect_Retry: 60
Master_Log_File: mysql-bin.000007
Read_Master_Log_Pos: 155
Relay_Log_File: mysql-relay.000002
Relay_Log_Pos: 321
Relay_Master_Log_File: mysql-bin.000007
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
Exec_Master_Log_Pos: 155
Relay_Log_Space: 524
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: 0
Master_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: 100
Master_UUID: 00019025-1111-1111-1111-111111111111
Master_Info_File: /home/vinicius.grippa/sandboxes/rsandbox_5_7_17/master/data/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 (0.01 sec)

master > create database vinnie;
Query OK, 1 row affected (0.06 sec)

slave > show databases like vinnie;
+-------------------+
| Database (vinnie) |
+-------------------+
| vinnie |
+-------------------+
1 row in set (0.00 sec)