MySQL数据库优化————Percona Toolkit安装

1. 备份源文件

mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.backup

2. 下载更改源
   CentOS7

wget -O /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

3. 清空yum缓存并生存cache文件

yum clean all
yum makecache

4. 尝试更新系统

yum -y update

5. 安装percona-release仓库

sudo yum install https://repo.percona.com/yum/percona-release-latest.noarch.rpm

6. 安装Percona Toolkit

sudo install percona-toolkit