利用MySQL-Proxy进行MySQL数据库的读写分离

下载地址:http://pan.baidu.com/s/1o6EFEQm

实验拓扑:

 

一、准备工作:

1.将主机名称改为如下所示:

2.将hosts文件添加如下内容:

3.master、slave1和slave2安装mariadb: 

tar xf mariadb-10.0.20-linux-x86_64.tar.gz  -C /usr/local/
cd /usr/local/
ln -sv mariadb-10.0.20-linux-x86_64 mysql
useradd -r mysql
mkdir -pv /mydata/data
chown -R mysql.mysql /mydata/data/
cd mysql/
chown -R root.mysql .
scripts/mysql_install_db --user=mysql --datadir=/mydata/data/
cp support-files/my-large.cnf /etc/my.cnf
cp support-files/mysql.server /etc/init.d/mysqld
chkconfig --add mysqld
chkconfig mysqld on

二、配置主从复制

1.master上配置my.cnf:

[mysqld]
server-id      = 1
datadir = /mydata/data
log-bin = /mydata/data/master-bin
binlog_format = ROW
sync_binlog = 1                        //确保每次事务提交之前都能将二进制日志同步磁盘上

2.slave1上配置my.cnf:

[mysqld]
#log-bin=mysql-bin
#binlog_format=mixed
server-id      = 2
datadir = /mydata/data
relay_log = /mydata/data/relay-log
read_only = 1
sync_master_info = 1                  //及时同步master文件
sync_relay_log = 1                    //及时同步relay-log文件
sync_relay_log_info = 1                //及时同步relay-log-info文件

3.slave2上配置my.cnf:

[mysqld]
#log-bin=mysql-bin
#binlog_format=mixed
server-id      = 3
datadir = /mydata/data
relay_log = /mydata/data/relay-log
read_only = 1
sync_master_info = 1
sync_relay_log = 1
sync_relay_log_info = 1

4.在master上创建复制用户:

service mysqld start
/usr/local/mysql/bin/mysql
------------------------------------------->
GRANT REPLICATION SLAVE,REPLICATION CLIENT ON *.* TO 'slave'@'192.168.19.%' IDENTIFIED BY '123456';
FLUSH PRIVILEGES;

5.在master上查看二进制日志位置:

SHOW MASTER LOGS;

6.两台slave上操作:

CHANGE MASTER TO MASTER_HOST='master',MASTER_USER='slave',MASTER_PASSWORD='123456',MASTER_LOG_FILE='master-bin.000001',MASTER_LOG_POS=637;
START SLAVE;
SHOW SLAVE STATUS\G

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转载自www.linuxidc.com/Linux/2015-08/121109.htm
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