1.简介:
Tuned-Adm是一个Linux的系统性能优化工具……
2.安装:
-
Ubuntu:
sudo apt update
sudo apt install tuned tuned-utils tuned-utils-systemtap
-
Centos
sudo yum install tuned
sudo systemctl enable --now tuned
systemctl status tuned
确认服务状态
3.常用命令:
tuned-adm list
列出所有的默认的调优策略
tuned-adm active
查看现在生效的调优策略
tuned-adm recommend
查看tuned目前推荐使用的策略
tuned-adm profile <方案>
修改调优方案,使用新的调优策略
tuned-adm off
关闭调优策略
systemctl restart tuned --now
重启并设置开机自启
4.配置解释:
策略 | 说明 | 备注 |
---|---|---|
atomic-guest | ||
atomic-host | ||
balanced | 默认的节能策略,追求功耗和性能的平衡,只对CPU和磁盘做了调节 | |
cpu-partitioning | ||
default | ||
desktop | 适用于桌面设备,基于balanced策略 | |
desktop-powersave | ||
enterprise-storage | ||
laptop-ac-powersave | ||
laptop-battery-powersave | ||
latency-performance | 禁用节能配置,启用sysctl模块设置来提升性能,主要改善延迟 | |
mssql | ||
network-latency | 优化网络延迟,基于latency-performance策略 | |
network-throughput | 优化网络吞吐量,基于throughput-performance策略 | |
oracle | ||
powersave | 最节能的策略 | |
realtime | ||
realtime-virtual-guest | ||
realtime-virtual-host | ||
sap-hana | ||
sap-hana-vmware | ||
sap-netweaver | ||
server-powersave | ||
spindown-disk | ||
throughput-performance | 禁用节能配置,启用sysctl模块设置来提升性能,主要改善吞吐量,使用deadline的IO调度策略(默认CFQ) | |
virtual-guest | 适用于作为虚拟机客户机运行的设备,基于throughput-performance策略 | |
virtual-host | 适用于虚拟机的host设备,基于throughput-performance策略 |
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