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第二部分, 在一台服务器构建多mysql主 服务.
提示:建立一个帐号,专门用于下面主从复制,本例用的的帐号repl, 口令为:’1234567890’, 可让其拥有select_priv, reload_priv,process_priv,grant_priv,super_priv,repl_slave_priv,repl_client_priv权限,并能通过任何客户进行访问,即访问客户为’%’。
主要是修改my.cnf中的内容,让每个mysql生成自己的bin-log文件及各自的运行环境,现贴上我的my.cnf全部内容,相关参数与请参考mysql 官文手册.
#[client]
#password = your_password
#port = 3306
#socket = /tmp/mysql.sock
[mysqld_multi]
mysqld = /usr/local/mysql/bin/mysqld_safe
mysqladmin = /usr/local/mysql/bin/mysqladmin
user = mysql
password = mypasswd
[mysqld1]
port = 3306
socket = /tmp/mysql.sock1
skip-locking
pid-file=/usr/local/mysql/data/net-app1a.pid
datadir = /usr/local/mysql/data
log=/usr/local/mysql/data/net-app1.log
user = mysql
log-slow-queries=/usr/local/mysql/data/slowquery.log
long_query_time = 2
key_buffer = 256M
max_allowed_packet = 1M
table_cache = 512
sort_buffer_size = 2M
read_buffer_size = 2M
myisam_sort_buffer_size = 64M
thread_cache = 32
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