Performance Tuning

Ubuntu Starts Slowly (~2 minutes)

List all services which requires network

systemctl show -p WantedBy network-online.target

For Ubuntu 22.04 this command can help

systemctl disable cloud-config iscsid cloud-final

Set proper governor for CPU (baremetal/hypervisior host)

cpupower frequency-set --governor performance

OSPF

It is recommended to set the OSPF timers of both OSPF neighbors (core and edge router) to minimize downtime upon a reboot of the LibreQoS server.

  • hello interval

  • dead