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  1. Red Hat OpenStack Services on OpenShift
  2. OSPRH-17861

[RHOSP 17.1] Low DPDK Performance for OVN

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    • rhos-17.1.9
    • rhos-17.1.8
    • os-net-config
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    • [RHOSP 17.1] Low DPDK Performance for OVN
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    • rhos-connectivity-nfv
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      .Low DPDK performance for OVN
      There is a performance degradation for Data Plane Development Kit (DPDK) datapath on Intel servers (Intel(R) Xeon(R) CPU E5-2630 v4 @ 2.20GHz). The root cause is being investigated. Currently, there is no workaround.
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      .Low DPDK performance for OVN There is a performance degradation for Data Plane Development Kit (DPDK) datapath on Intel servers (Intel(R) Xeon(R) CPU E5-2630 v4 @ 2.20GHz). The root cause is being investigated. Currently, there is no workaround.
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      Goal:

      We have detected that from compose RHOS-17.1-RHEL-9-20250325.n.1 onwards we are a performance value below 2 mpps (2.8 mpps is the accepted value) [1].

      Acceptance Criteria:
      Back performance to normal value (2.8 mpps).

      Open questions:

      • What's the root cause?
      • Do we need a fix somewhere?

      [1] https://rhos-ci-jenkins.lab.eng.tlv2.redhat.com/view/DFG/view/nfv/view/ml2-ovn/job/DFG-nfv-17.1-director-3cont-2comp-ipv4-geneve-ovn-dpdk-sriov-ctlplane-dataplane-bonding-hybrid/

              rh-ee-rjarry Robin Jarry
              rdiazcam@redhat.com Ricardo Diaz Campos
              rhos-dfg-nfv
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                Created:
                Updated:
                Resolved: