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  1. OpenShift Node
  2. OCPNODE-3200

Set system-reserved-compressible in OCP

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    • Resolution: Unresolved
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    • Set system-reserved-compressible in OCP
    • Product / Portfolio Work
    • OCPSTRAT-2483Only for CNV + new cluster starting OCP 4.21 (Enabled autoSizingReserved by default)
    • 83% To Do, 17% In Progress, 0% Done
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      OCP/Telco Definition of Done
      Epic Template descriptions and documentation.

      <--- Cut-n-Paste the entire contents of this description into your new Epic --->

      Epic Goal

      • Set system-reserved-compressible in OCP

      Why is this important?

      • Compressible resources support for system reserved in OCP would allow better cpu allocation for system reserved processes. This is especially useful for customers with large number of CPUs per node, as the effect of not setting it leads to inadequate CPU allocation for system reserved.  
      • The issue is exacerbated on cgroups v1.  

      Scenarios

      1. ...

      Acceptance Criteria

      • CI - MUST be running successfully with tests automated
      • Release Technical Enablement - Provide necessary release enablement details and documents.
      • ...

      Dependencies (internal and external)

      1.  

      Previous Work (Optional):

      1. https://github.com/openshift/machine-config-operator/pull/4682/files
      2. https://github.com/kubernetes/kubernetes/pull/125982 

      Open questions::

      Done Checklist

      • CI - CI is running, tests are automated and merged.
      • Release Enablement <link to Feature Enablement Presentation>
      • DEV - Upstream code and tests merged: <link to meaningful PR or GitHub Issue>
      • DEV - Upstream documentation merged: <link to meaningful PR or GitHub Issue>
      • DEV - Downstream build attached to advisory: <link to errata>
      • QE - Test plans in Polarion: <link or reference to Polarion>
      • QE - Automated tests merged: <link or reference to automated tests>
      • DOC - Downstream documentation merged: <link to meaningful PR>

              rh-ee-ngopalak Neeraj Krishna Gopalakrishna
              harpatil@redhat.com Harshal Patil
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                Created:
                Updated: