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  1. OpenShift Virtualization
  2. CNV-71448

virt-handler memory increase with spiky goroutine usage

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: Major Major
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    • CNV v4.20.0, CNV v4.19.6
    • CNV Virt-Node
    • None
    • Quality / Stability / Reliability
    • 0.42
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      Description of problem:

      virt-handler memory increase with spiky goroutine usage

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

      OCP 4.18.24 -> 4.19.14 -> 4.20.0 (EUS upgrade)
LSO 4.18.0-202509240837 -> 4.19.0-202510071855 -> 4.20.0-202509262224
ODF 4.18.11 -> 4.19.6
CNV 4.18.17 -> 4.19.6 -> 4.20.0.rhel9-234

      How reproducible:

      unknown

      Steps to Reproduce:

      1. Install OCP/LSO/ODF/CNV 4.18
2. Perform EUS upgrade to 4.20

      Actual results:

      Increased memory usage w/ spiky goroutine usage

      Expected results:

      limited increased memory w/ stable goroutine usage

      Additional info:

       

        1. Screenshot From 2025-11-13 10-24-04.png
          Screenshot From 2025-11-13 10-24-04.png
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        2. Screenshot From 2025-10-28 08-07-49.png
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          67 kB

              sgott@redhat.com Stuart Gott
              rhn-support-sbennert Sarah Bennert
              Sarah Bennert
              Denys Shchedrivyi Denys Shchedrivyi
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                Created:
                Updated: