Loading...

XML

Word

Printable

Severity:
Important
Regression:
No
Release Blocker:
Rejected
Blocked:
False
Blocked Reason:

Hide

None

Show
None
Release Note Type:
Release Note Not Required
Release Note Status:
In Progress
Internal Whiteboard:
Latest Status Summary:
3/12: Root cause identified as increase in kubelet CPU utilization (OCPBUGS-30652). Will keep this Jira open until that issue is fixed.
RH Private Keywords:

Description of problem:

Version-Release number of selected component (if applicable):

    at least as far back as OCP 4.15.0-rc.5 and newer

How reproducible:

    Always

Steps to Reproduce:

    1. Deploy SNO spoke with Telco DU profile applied
    2. Run cpu_util and review results
    3.

Actual results:

    increase cpu utilization 20% - 56% depending on management pod, as noted during steady workload 12h test in cpu_util  run

Expected results:

    CPU utilization metrics should be close to or lower than previous release z-streams

Additional info:

is caused by

OCPBUGS-29713 Excessive node status updates causing high control plane CPU

is related to

OCPBUGS-31369 machine-config-controller pod significant CPU util from OCP 4.14.0 to 4.15.0

OCPBUGS-30062 Reboot test results for 4.15 show longer reboot times than 4.14