MySLQ 8.0 主从
--主从库都添加配置项# cat /etc/my.cnf
default-character-set=utf8
skip-name-resolve
server_id=1
log-bin=mysql-bin
binlog-format=ROW
port = 3306
basedir=/usr/local/mysql
datadir=/app/mysql/data
max_connections=200
character-set-server=utf8
lower_case_table_names=1
default-storage-engine=INNODB
# cat /etc/my.cnf
default-character-set=utf8
skip-name-resolve
port = 3306
server_id=2
log-bin=mysql-bin
binlog-format=ROW
basedir=/usr/local/mysql
datadir=/app/mysql/data
max_connections=200
character-set-server=utf8
lower_case_table_names=1
default-storage-engine=INNODB
--主从库都添加用户
create user 'repl'@'%' identified by 'Test@1234';
grant replication slave on *.*to 'repl'@'%';
flush privileges;--启动master
# ./mysql.server start
Starting MySQL. SUCCESS!
# mysql -uroot -p123456
mysql> show master status ;
+------------------+----------+--------------+------------------+-------------------+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set |
+------------------+----------+--------------+------------------+-------------------+
| mysql-bin.000003 | 156 | | | |
+------------------+----------+--------------+------------------+-------------------+
1 row in set (0.00 sec)
--启动slave
change master to
master_host='192.168.56.101',
master_port=3306,
master_user='repl',
master_password='Test@1234',
master_log_file='mysql-bin.000003',
master_log_pos=156;
start slave;
--查看状态
mysql> show slave status \G;
*************************** 1. row ***************************
Slave_IO_State: Waiting for source to send event
Master_Host: 192.168.56.101
Master_User: repl
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-bin.000003
Read_Master_Log_Pos: 341
Relay_Log_File: vm2-relay-bin.000002
Relay_Log_Pos: 509
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
Exec_Master_Log_Pos: 341
Relay_Log_Space: 716
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: 1
Master_UUID: 2ce1c5b1-5cae-11ec-a163-080027e53f17
Master_Info_File: mysql.slave_master_info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Replica 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:
Master_public_key_path:
Get_master_public_key: 0
Network_Namespace:
1 row in set, 1 warning (0.00 sec)--验证主从
mysql>create database zhyu ;
mysql> use zhyu;
mysql> create table t1(t datetime);
mysql> insert into t1 select now() from dual;
mysql> select * from t1;
+---------------------+
| t |
+---------------------+
| 2022-01-18 17:22:09 |
+---------------------+
1 row in set (0.00 sec)
# mysql -uroot -p123456
mysql> use zhyu;
mysql> select * from t1;
+---------------------+
| t |
+---------------------+
| 2022-01-18 17:22:09 |
+---------------------+
1 row in set (0.00 sec)
--重置slave
mysql> stop slave;
Query OK, 0 rows affected, 1 warning (0.00 sec)
mysql> reset slave all;
Query OK, 0 rows affected, 1 warning (0.01 sec)
mysql> show slave status;
Empty set, 1 warning (0.00 sec)
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