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  1. OpenShift Container Platform (OCP) Strategy
  2. OCPSTRAT-649

Arm 64K pages on RHCOS as an extension

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      Feature Overview (aka. Goal Summary)  

      RHEL 9.0 released with an Arm kernel that supported 4k pages, which was a change from RHEL 8.0 which used a 64k page size. Subsequent discussions with our hardware partners,, have shown that using a 4k page size reduced performance significantly for several Enterprise workloads.

      See RHELBU-1921

      Goals (aka. expected user outcomes)

      Customers can specify the Arm 64k page kernel to be installed on RHCOS nodes via the extension mechanism.

      Future considerations:

      Future Arm hardware is expected in some cases to only support kernels with 64k memory page size.

              rhn-support-mrussell Mark Russell
              rhn-support-mrussell Mark Russell
              Jean-Baptiste Trystram (Inactive), Sinny Kumari
              Jean-Baptiste Trystram Jean-Baptiste Trystram (Inactive)
              Michael Nguyen Michael Nguyen
              Jesse Dohmann Jesse Dohmann
              Mark Russell Mark Russell
              Derrick Ornelas Derrick Ornelas
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