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Mysql启动的方式(四种)

2017年12月12日  | 移动技术网IT编程  | 我要评论

废话不多说了,直奔主题了。

mysql的四种启动方式:

1、mysqld

启动mysql服务器:./mysqld --defaults-file=/etc/my.cnf --user=root

客户端连接:

mysql --defaults-file=/etc/my.cnf
or
mysql -s /tmp/mysql.sock

2、mysqld_safe

启动mysql服务器:./mysqld_safe --defaults-file=/etc/my.cnf --user=root &

客户端连接:

mysql --defaults-file=/etc/my.cnf
or
mysql -s /tm/mysql.sock

3、mysql.server

cp -v /usr/local/mysql/support-files/mysql.server /etc/init.d/
chkconfig --add mysql.server

启动mysql服务器:service mysql.server {start|stop|restart|reload|force-reload|status}

客户端连接:同1、2

4、mysqld_multi

mkdir $mysql_base/data2
cat <<-eof>> /etc/my.cnf
[mysqld_multi]
mysqld = /usr/local/mysql/bin/mysqld_safe
mysqladmin = /user/local/mysql/bin/mysqladmin
user = mysqladmin
password = mysqladmin
[mysqld3306]
port = 3306
socket = /tmp/mysql3306.sock
pid-file = /tmp/mysql3306.pid
skip-external-locking
key_buffer_size = 16m
max_allowed_packet = 1m
table_open_cache = 64
sort_buffer_size = 512k
net_buffer_length = 8k
read_buffer_size = 256k
read_rnd_buffer_size = 512k
myisam_sort_buffer_size = 8m
basedir = /usr/local/mysql
datadir = /usr/local/mysql/data
[mysqld3307]
port = 3307
socket = /tmp/mysql3307.sock
pid-file = /tmp/mysql3307.pid
skip-external-locking
key_buffer_size = 16m
max_allowed_packet = 1m
table_open_cache = 64
sort_buffer_size = 512k
net_buffer_length = 8k
read_buffer_size = 256k
read_rnd_buffer_size = 512k
myisam_sort_buffer_size = 8m
basedir = /usr/local/mysql
datadir = /usr/local/mysql/data2
eof
#mysql -s /tmp/mysql3306.sock
mysql>grant shutdown on *.* to 'mysqladmin'@'localhost' identified by 'mysqladmin' with grant option;
#mysql -s /tmp/mysql3307.sock
mysql>grant shutdown on *.* to 'mysqladmin'@'localhost' identified by 'mysqladmin' with grant option;

启动mysql服务器:./mysqld_multi --defaults-file=/etc/my.cnf start 3306-3307

关闭mysql服务器:mysqladmin shutdown

以上所述是小编给大家介绍了四种mysql启动方式,希望对大家有所帮助!

如对本文有疑问, 点击进行留言回复!!

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