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[数据库]CentOS 6.5通过yum安装 MySQL

1.安装mysql-5.5的yum源

rpm -ivh http://repo.mysql.com/yum/mysql-5.5-community/el/6/x86_64/mysql-community-release-el6-5.noarch.rpm

2.修改安装好的yum源

编辑 /etc/yum.repos.d/mysql-community.repo文件,将5.5的enabled改为1,5.6的enabled改为0

# Enable to use MySQL 5.5[mysql55-community]name=MySQL 5.5 Community Serverbaseurl=http://repo.mysql.com/yum/mysql-5.5-community/el/6/$basearch/enabled=1gpgcheck=1gpgkey=file:/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql# Enable to use MySQL 5.6[mysql56-community]name=MySQL 5.6 Community Serverbaseurl=http://repo.mysql.com/yum/mysql-5.6-community/el/6/$basearch/enabled=0gpgcheck=1gpgkey=file:/etc/pki/rpm-gpg/RPM-GPG-KEY-mysql

3.安装mysql-5.5

 yum install mysql-community-client mysql-community-devel mysql-community-server php-mysql

4.调整配置

编辑 /etc/my.cnf 文件

innodb_file_per_table=1 设置InnoDB为独立表空间模式,每个数据库的每个表都会生成一个数据目录innodb_buffer_pool_size= 默认值:128M,设置为操作系统内存的70%-80%最佳