[SIG-scale] Meeting Notes 2026-07-23

[Andrew Burden]

7/23/26

Recording: https://youtu.be/DS9tP6cGA6U 

Attendees: rhallisey, alaypatel07

Agenda:

• Look for the root causes for the below scale/performance changes

• https://kubevirt.io/ci-performance-benchmarks/weekly/periodic-kubevirt-e2e-k8s-1.34-sig-performance/vmi/index.html 

• Patch Nodes count VMI

• Doubles from 12 to 26 around May 17, 2026

• avgVirtAPIMemUsage/maxVirtAPIMemUsage went up

• Avg up from 140MB to 150MB staring around May 17, 2026

• Max up from 170MB to 180MB starting around May 17, 2026

• avgVirtControllerIMemUsage/maxVirtControllerMemUsage went up

• Started around May 17, 2026

• The beta flag PR seems like it could be the case: https://github.com/kubevirt/kubevirt/pull/17405

• LLM points to this beta feature -> ExternalNetResourceInjection