四 Mysql安裝多例項

前文-mysql單機版安裝

以前一些很 low 的方法是，解壓兩個 mysql，分別放到不同資料夾，其實在 mysql 中已經考 慮到了多例項安裝的情況。也有相應的指令碼命令的支援。

現在要求裝兩個 mysql 乙個 3307，3308

新建 /etc/my.cnf 配置如下

[mysqld]

sql_mode=
"strict_trans_tables,no_engine_substitution,no_zero_date,no_zero_in_date,error_for_division_by_zero,no_auto_create_user"
[mysqld_multi]
mysqld = /usr/local/mysql/bin/mysqld_safe
mysqladmin = /usr/local/mysql/bin/mysqladmin
log = /var/log/mysqld_multi.log
user=root
pass=root1234%
[mysqld1]
server-id = 11
socket = /tmp/mysql.sock1
port = 3307
datadir =/data1
user = mysql
performance_schema = off
innodb_buffer_pool_size = 32m
skip_name_resolve = 1
log_error = error.log
pid-file = /data1/mysql.pid1
[mysqld2]
server-id = 12
socket = /tmp/mysql.sock2
port = 3308
datadir = /data2
user = mysql
performance_schema = off
innodb_buffer_pool_size = 32m
skip_name_resolve = 1
log_error = error.log
pid-file = /data2/mysql.pid2

mkdir /data1 

mkdir /data2

chown mysql.mysql /data

mysqld --initialize --user=mysql --datadir=/data1 

mysqld --initialize --user=mysql --datadir=/data2

cp /usr/local/mysql/support-files/mysqld_multi.server /etc/init.d/mysqld_multid

chkconfig mysqld_multid on

mysqld_multi report

yum -y install perl perl-devel

mysqld_multi start

mysql -u root -s /tmp/mysql.sock1 -p -p3307 

mysql -u root -s /tmp/mysql.sock2 -p -p3308

set password =

'root1234%'
;grant
allprivilegeson*
.*to'root'@'%
' identified by 'root1234%'; 
flush privileges
;

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