【整理】使用tuned/tuned-adm工具动态调优你的CentOS系统

参考文章：使用tuned/tuned-adm工具动态调优你的CentOS系统

Tuned – Automatic Performance Tuning of CentOS/RHEL Servers

安装和启动 tuned:

yum -y install tuned

管理tuned服务：

--------------- On RHEL/CentOS 7 --------------- 
# systemctl start tuned	        
# systemctl enable tuned	
# systemctl status tuned	
# systemctl stop tuned		

--------------- On RHEL/CentOS 6 ---------------
# service tuned start
# chkconfig tuned on
# service tuned status
# service tuned stop

查看当前优化方案：

# tuned-adm active
Current active profile: default
Service tuned: enabled, running
Service ktune: enabled, running

查看预先配置好的优化方案：

# tuned-adm list
Available profiles:
- laptop-battery-powersave
- virtual-guest
- desktop-powersave
- sap
- server-powersave
- virtual-host
- throughput-performance
- enterprise-storage
- laptop-ac-powersave
- latency-performance
- spindown-disk
- default
Current active profile: default

设置某项优化方案：

命令格式为：tuned-adm profile 模式名称

# tuned-adm  profile throughput-performance
# tuned-adm active

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