安裝Percona工具包

Percona工具包是一個高級開源命令行工具集，它是由Percona開發和使用的，用於執行各種不易手動
執行的困難或複雜的任務。
安裝(CentOS7系統)

1. 先安裝官方YUM源
2. 列出percona-toolkit工具包的可用版本
   [root@www yum.repos.d]# yum install
   https://www.percona.com/redir/downloads/percona-release/redhat/1.0-13/percona-
   release-1.0-13.noarch.rpm
   [root@www ~]# yum list percona-toolkit --showduplicates | sort -r

• updates: mirrors.163.com
• remi-safe: mirrors.tuna.tsinghua.edu.cn
• remi: mirrors.tuna.tsinghua.edu.cn
  percona-toolkit.x86_64      3.1-1.el7        percona-release-x86_64
  percona-toolkit.x86_64      3.1.0-2.el7       percona-release-x86_64
  percona-toolkit.x86_64      3.0.9-1.el7       percona-release-x86_64
  percona-toolkit.x86_64      3.0.8-1.el7       percona-release-x86_64
  percona-toolkit.x86_64      3.0.7-1.el7       percona-release-x86_64
  percona-toolkit.x86_64      3.0.6-1.el7       percona-release-x86_64
  percona-toolkit.x86_64      3.0.5-1.el7       percona-release-x86_64
  percona-toolkit.x86_64      3.0.4-1.el7       percona-release-x86_64
  percona-toolkit.x86_64      3.0.4-1.el7       @percona-release-x86_64
  percona-toolkit.x86_64      3.0.3-1.el7       percona-release-x86_64
  percona-toolkit.x86_64      3.0.2-1.el7       percona-release-x86_64
  percona-toolkit.x86_64      3.0.13-1.el7      percona-release-x86_64
  percona-toolkit.x86_64      3.0.12-1.el7      percona-release-x86_64
  percona-toolkit.x86_64      3.0.1-1.el7       percona-release-x86_64
  percona-toolkit.x86_64      3.0.11-1.el7      percona-release-x86_64
  percona-toolkit.x86_64      3.0.10-1.el7      percona-release-x86_64
  percona-toolkit.noarch      2.2.20-1        percona-release-noarch
  percona-toolkit.noarch      2.2.19-1        percona-release-noarch
  percona-toolkit.noarch      2.2.18-1        percona-release-noarch
  percona-toolkit.noarch      2.2.17-1        percona-release-noarch
  percona-toolkit.noarch      2.2.16-1        percona-release-noarch
  percona-toolkit.noarch      2.2.15-2        percona-release-noarch
  percona-toolkit.noarch      2.2.15-1        percona-release-noarch
  percona-toolkit.noarch      2.2.14-1        percona-release-noarch
  percona-toolkit.noarch      2.2.13-1        percona-release-noarch
  percona-toolkit.noarch      2.2.12-1        percona-release-noarch
  percona-toolkit.noarch      2.2.11-1        percona-release-noarch
  Loading mirror speeds from cached hostfile
  Loaded plugins: fastestmirror
  Installed Packages
• extras: mirrors.cn99.com
• epel: mirrors.aliyun.com
• base: mirrors.cn99.com
  Available Packages
  雲計算-legolas製作

3. 安裝3.0.4版本工具包
   [root@www ~]# yum install percona-toolkit-3.0.4-1.el7.x86_64
   [root@www ~]# pt-online-schema-change --version
   pt-online-schema-change 3.0.4