MySQL5.7 多实例

1，先按MySQL5.7安装好后

mkdir dbdata_3307

chown mysql:mysql -R dbdata_3307

2，./bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/dbdata_3307 -- 1个实例

3，./bin/mysqld --initialize --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/dbdata_3308 --另一个实例

4，启动： mysql -uroot -p -S /tmp/mysql3307.sock

mysql -uroot -p -S /tmp/mysql3308.sock

修改My.cnf

[mysqld_multi]

mysqld=/usr/local/mysql/bin/mysqld_safe

mysqladmin =/usr/local/mysql/bin/mysqladmin

user = admin

password = 123

[mysqld3307]

socket = /tmp/mysql3307.sock

port = 3307

pid-file = /usr/local/mysql/dbdata_3307/mysql3307.pid

datadir = /usr/local/mysql/dbdata_3307

basedir = /usr/local/mysql

user = mysql

server-id=3307

[mysqld3308]

socket = /tmp/mysql3308.sock

port = 3308

pid-file =/usr/local/mysql/dbdata_3308/mysql3308.pid

datadir = /usr/local/mysql/dbdata_3308

basedir = /usr/local/mysql

user = mysql

server-id=3308

启动： mysqld_multi start 3307

查看状态：mysqld_multi report 3307