Lesson 3.6: Manage tuning profiles

[root@server ~]# rpm -q tuned
tuned-2.21.0-1.el9.noarch
[root@server ~]# yum -y install tuned 
 
# Start and enable the tuned service
[root@server ~]# systemctl start tuned 
[root@server ~]# systemctl enable tuned 
[root@server ~]# systemctl status tuned
● tuned.service - Dynamic System Tuning Daemon
     Loaded: loaded (/usr/lib/systemd/system/tuned.service; enabled; preset: enabled)
     Active: active (running) since Mon 2024-09-30 07:36:15 +0545; 15s ago
       Docs: man:tuned(8)
             man:tuned.conf(5)
             man:tuned-adm(8)
   Main PID: 8662 (tuned)
      Tasks: 4 (limit: 22585)
     Memory: 13.8M
        CPU: 218ms
     CGroup: /system.slice/tuned.service
             └─8662 /usr/bin/python3 -Es /usr/sbin/tuned -l -P
 
Sep 30 07:36:15 server systemd[1]: Starting Dynamic System Tuning Daemon...
Sep 30 07:36:15 server systemd[1]: Started Dynamic System Tuning Daemon.

[root@server ~]# tuned-adm list 
Available profiles:
- accelerator-performance     - Throughput performance based tuning with disabled higher latency STOP states
- aws                         - Optimize for aws ec2 instances
- balanced                    - General non-specialized tuned profile
- balanced-battery            - Balanced profile biased towards power savings changes for battery
- desktop                     - Optimize for the desktop use-case
- hpc-compute                 - Optimize for HPC compute workloads
- intel-sst                   - Configure for Intel Speed Select Base Frequency
- latency-performance         - Optimize for deterministic performance at the cost of increased power consumption
- network-latency             - Optimize for deterministic performance at the cost of increased power consumption, focused on low latency network performance
- network-throughput          - Optimize for streaming network throughput, generally only necessary on older CPUs or 40G+ networks
- optimize-serial-console     - Optimize for serial console use.
- powersave                   - Optimize for low power consumption
- throughput-performance      - Broadly applicable tuning that provides excellent performance across a variety of common server workloads
- virtual-guest               - Optimize for running inside a virtual guest
- virtual-host                - Optimize for running KVM guests
Current active profile: virtual-guest

[root@server ~]# tuned-adm active
Current active profile: virtual-guest

[root@server ~]# tuned-adm profile hpc-compute 
[root@server ~]# tuned-adm active 
Current active profile: hpc-compute

[root@server ~]# tuned-adm recommend 
virtual-guest

[root@server ~]# tuned-adm profile virtual-guest 
[root@server ~]# tuned-adm active 
Current active profile: virtual-guest