本文用mysql8.0.16和8.0.17做主从复制
yum install mysql-comminuty-server
grep 'password' /var/log/mysql.log //筛选临时密码
mysqladmin -p'临时密码' password‘new’
log-bin=mysql-bin
server-id=1
systemctl restart mysqld
create user 'repl'@'%' identified with navite_password by '密码'；
grant replication salve on *.* to 'repl'@'%';
flush privileges;
show master status;
mysqldump -uroot -p密码 -all-databases --master-data=1 > /root/all.sql
scp -r /root/all.sql root@从IP地址:/root
从：
yum install mysql-community-server
grep 'password' /var/log/mysql.log //筛选临时密码
mysqladmin -p'临时密码' password‘new’
vi /etc/my.conf
service-id=2
mysql -h 主节点 -u用户 -p密码
show grants; //看授权
set sql_log_bin=0 //避免还原的时候生成大量的sql语句
source /root/all.sql;
change master to
master_host='地址，
master_user='用户‘,
master_password='密码',
master_port='端口‘； //这里不加log_file是因为前面master
CHANGE MASTER TO MASTER_LOG_FILE='mysql-bin.000001', MASTER_LOG_POS=825
start slave;
show slave status\G;
stop slave;