mysql使用mysqld_multi部署单机多实例的方法教程

cd /usr/local/src
wget http://mirrors.sohu./mysql/MySQL-5.6/mysql-5.6.35-linux-glibc2.5-x86_64.tar.gz 
tar zxvf mysql-5.6.35-linux-glibc2.5-x86_64.tar.gz
mv mysql-5.6.35-linux-glibc2.5-x86_64 /usr/local/mysql
cd /usr/local/mysql
useradd mysql
mkdir -p /data/mysql
chown -R mysql:mysql /data/mysql
./scripts/mysql_install_db --user=mysql --datadir=/data/mysql
cp support-files/my-default.f /etc/my.f
cp support-files/mysql.server /etc/init.d/mysqld

mkdir /usr/local/mysql3307
chown -R mysql.mysql /usr/local/mysql3307/
mkdir -p /data/mysql3307
chown -R mysql.mysql /data/mysql3307
mkdir -p /home/data/mysql3307/binlog
chown -R mysql.mysql /home/data/mysql3307

[root@zhdya01 ~]# vim /etc/my.f
# For advice on how to change settings please see
# http://dev.mysql./doc/refman/5.6/en/server-configuration-defaults.html
#  DO NOT EDIT THIS FILE. It's a template which will be copied to the
#  default location during install, and will be replaced if you
#  upgrade to a newer version of MySQL.
[mysqld_multi]
mysqld = /usr/local/mysql/bin/mysqld_safe
mysqladmin =/usr/local/mysql/bin/mysqladmin
log =/var/log/mysqld_multi.log
[mysqld1]
socket = /usr/local/mysql3307/mysql.sock
port = 3307
pid-file = /usr/local/mysql3307/mysql.pid
datadir = /data/mysql3307
log_bin=/home/data/mysql3307/binlog
server-id = 1
innodb_buffer_pool_size = 128M
innodb_flush_log_at_trx_mit = 0

/usr/local/mysql/scripts/mysql_install_db --user=mysql --basedir=/usr/local/mysql --datadir=/data/mysql3307

mkdir /usr/local/mysql3308
chown -R mysql.mysql /usr/local/mysql3308/
mkdir -p /data/mysql3308
chown -R mysql.mysql /data/mysql3308
mkdir -p /home/data/mysql3308/binlog
chown -R mysql.mysql /home/data/mysql3308

[root@zhdya01 ~]# vim /etc/my.f
# For advice on how to change settings please see
# http://dev.mysql./doc/refman/5.6/en/server-configuration-defaults.html
#  DO NOT EDIT THIS FILE. It's a template which will be copied to the
#  default location during install, and will be replaced if you
#  upgrade to a newer version of MySQL.
[mysqld_multi]
mysqld = /usr/local/mysql/bin/mysqld_safe
mysqladmin =/usr/local/mysql/bin/mysqladmin
log =/var/log/mysqld_multi.log
[mysqld1]
socket = /usr/local/mysql3307/mysql.sock
port = 3307
pid-file = /usr/local/mysql3307/mysql.pid
datadir = /data/mysql3307
log_bin=/home/data/mysql3307/binlog
server-id = 1
innodb_buffer_pool_size = 128M
innodb_flush_log_at_trx_mit = 0
[mysqld2]
socket = /usr/local/mysql3308/mysql.sock
port = 3308
pid-file = /usr/local/mysql3308/mysql.pid
datadir = /data/mysql3308
log_bin=/home/data/mysql3308/binlog
server-id = 2
innodb_buffer_pool_size = 128M
innodb_flush_log_at_trx_mit = 0

/usr/local/mysql/scripts/mysql_install_db --user=mysql --basedir=/usr/local/mysql --datadir=/data/mysql3308

/etc/init.d/mysqld start
mysqld_multi --defaults-extra-file=/etc/my.f start 1,2
[root@zhdya01 bin]# !
stat -lntp -lntp
Active Inter connections (only servers)
Proto Recv-Q Send-Q Local Address  Foreign Address  State PID/Program name 
tcp 0 0 0.0.0.0:22  0.0.0.0:  LISTEN 1241/sshd  
tcp 0 0 127.0.0.1:25  0.0.0.0:  LISTEN 2087/master  
tcp6 0 0 :::3306   :::   LISTEN 4406/mysqld  
tcp6 0 0 :::3307   :::   LISTEN 4197/mysqld  
tcp6 0 0 :::3308   :::   LISTEN 3359/mysqld  
tcp6 0 0 :::8080   :::   LISTEN 2222/java  
tcp6 0 0 :::22   :::   LISTEN 1241/sshd  
tcp6 0 0 ::1:25   :::   LISTEN 2087/master 

[root@zhdya01 bin]# mysqld_multi --defaults-extra-file=/etc/my.f report
Reporting MySQL servers
MySQL server from group: mysqld1 is running
MySQL server from group: mysqld2 is running

[root@zhdya01 bin]# mysqld_multi --defaults-extra-file=/etc/my.f s 1,2
[root@zhdya01 bin]# mysqld_multi --defaults-extra-file=/etc/my.f report
Reporting MySQL servers
MySQL server from group: mysqld1 is not running
MySQL server from group: mysqld2 is not running

[root@zhdya01 bin]# mysql --socket=/usr/local/mysql3307/mysql.sock
Wele to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.6.35-log MySQL Community Server (GPL)
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