mysql单服务器配置多实例运行

mysql版本5.7

在my.cnf配置文件中增加下面的配置信息：

[mysqld_multi]
#mysqld = /usr/local/mysql/bin/mysqld_safe
mysqladmin = /usr/local/mysql/bin/mysqladmin
user = root
password   = 123456
[mysqld3307]
server-id=3307
port=3307
log-bin=mysql-bin
log-error=/Users/zhja/mysql-cluster/master/mysqld.log
tmpdir=/Users/zhja/mysql-cluster/master

slow_query_log=on
slow_query_log_file =/Users/zhja/mysql-cluster/master/mysql-slow.log
long_query_time=1
socket=/Users/zhja/mysql-cluster/master/mysql_3307.sock
pid-file=/Users/zhja/mysql-cluster/master/mysql.pid

basedir=/Users/zhja/mysql-cluster/master
datadir=/Users/zhja/mysql-cluster/master/data

[mysqld3308]
server-id=3308
port=3308
log-bin=mysql-bin
log-error=/Users/zhja/mysql-cluster/slave/mysqld.log
tmpdir=/Users/zhja/mysql-cluster/slave
slow_query_log=on
slow_query_log_file =/Users/zhja/mysql-cluster/slave/mysql-slow.log
long_query_time=1
socket=/Users/zhja/mysql-cluster/slave/mysql_3308.sock

pid-file=/Users/zhja/mysql-cluster/slave/mysql.pid
basedir=/Users/zhja/mysql-cluster/slave
datadir=/Users/zhja/mysql-cluster/slave/data

read_only=1

执行和查看
killall mysqld  
mysqld_multi --defaults-extra-file=/etc/my.cnf start
mysqld_multi --defaults-file=/etc/my.cnf report  

登录实例
mysql -uroot -p -P3308 -h127.0.0.1