為解決mysql主從延遲問題,采用了mysql5.7的gtid
在/etc/my.cnf中添加
gtid-mode = ON
enforce-gtid-consistency = ON
-------創建復制帳號,據說不用在從庫建,會自己同步過去
mysql> grant replication slave on *.* to 'repl'@'192.168.2.%' identified by '000000';
mysql> flush privileges;
設置多線程
mysql> show variables like 'slave_parallel_type';
mysql> set global slave_parallel_type='logical_clock';
mysql> show variables like 'slave_parallel_workers';
mysql> set global slave_parallel_workers=5;
啟動同步
mysql> CHANGE MASTER TO MASTER_HOST='192.168.2.210',MASTER_USER='repl',MASTER_PASSWORD='000000',MASTER_AUTO_POSITION=1;
mysql> START SLAVE;