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Type: Bug
Resolution: Duplicate
Priority: Critical
Fix Version/s: None
Affects Version/s: 4.18.z, 4.19.z
Component/s: Node / Device Manager
Labels:
None

Activity Type:
Quality / Stability / Reliability
Blocked:
False
Blocked Reason:

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Story Points:
None
Severity:
Critical
Regression:
None
Architecture:

x86_64

Target Backport Versions:
None
Target Version:
None
Release Blocker:
None
Sprint:
None

SFDC Cases Counter:
SFDC Cases Open:
SFDC Cases Links:

PX Impact Score:

Release Note Status:
None
Release Note Type:
None
Release Note Text:
None

Escape Reason:
None
Escape Impact:
None
Corrective Measures:
None
SDLC stage when should've been found:
None

Description of problem:

Go runtime GOMAXPROCS defaults to all visible CPU cores, causing CPU throttling and performance degradation. 

Red Hat Technical Support provided the PerformanceProfile and Workload partitioning , it didnt fix the issue in HCP namespace and HostedClusters 

https://access.redhat.com/support/cases/#/case/04210398

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

Openshift Baremetal Hub Cluster : v4.19.4
Hosted Cluster version : 4.18.15

How reproducible:

Steps to Reproduce:

    1.
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Actual results:

Expected results:

Additional info:

https://access.redhat.com/support/cases/#/case/04210398

duplicates

OCPBUGS-61881 Reduced process performance and stability when running on high-core count hardware

MODIFIED

Assignee:: Node Team Bot Account

Reporter:: Prabhu Nagaraj

Need Info From:: None

Contributors:: None

QA Contact:: Mallapadi Niranjan

Doc Contact:: None

Votes:: 0 Vote for this issue

Watchers:: 3 Start watching this issue

Created:: 2025/09/26 1:14 AM

Updated:: 2025/09/30 7:53 AM

Resolved:: 2025/09/30 7:53 AM