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  1. OpenShift Bugs
  2. OCPBUGS-4476

On-prem keepalived ingress check is heavy on api-server at scale

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      Unable to scale to 500 nodes.

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      Unable to scale to 500 nodes.
    • Customer Escalated

    Description

      Description of problem: While running scale tests of OpenShift on OpenStack at scale, we're seeing it performing significantly worse than on AWS platform for the same number of nodes. More specifically, we're seeing high traffic to API server, and high load for the haproxy pod.

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

      All supported versions
      

      How reproducible:

       

      Steps to Reproduce:

      1.
      2.
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      Actual results:

       

      Expected results:

       

      Additional info:

      Slack thread at https://coreos.slack.com/archives/CBZHF4DHC/p1669910986729359 provides more info.
      

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            emacchi@redhat.com Emilien Macchi
            maandre@redhat.com Martin André
            Zhanqi Zhao Zhanqi Zhao
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              Created:
              Updated: