Bug ID 1099469: Control plane starvation on a fully loaded rSeries system

Last Modified: Apr 28, 2025

Affected Product(s):
F5OS None(all modules)

Fixed In:
F5OS-A 1.3.0

Opened: Apr 14, 2022

Severity: 3-Major

Symptoms

When an rSeries appliance is running to maximum capacity, and CPU load is 100%, the control plane does not get enough cycles to perform operations.

Impact

The control plane does not get enough cycles to perform operations.

Conditions

When an rSeries appliance is running to maximum capacity.

Workaround

echo 2048 > /sys/fs/cgroup/cpu/kubepods/cpu.shares

Fix Information

cpu.shares is set to 2048 on boot to boost its CPU shares.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips