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  1. OpenShift Bugs
  2. OCPBUGS-36334

etcd_network_peer_round trip increase after upgrade to 4.14.24

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: Major Major
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    • 4.14.z
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    • Moderate
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    • 3
    • ETCD Sprint 256, ETCD Sprint 257, ETCD Sprint 258
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      Description of problem:

      Upgrading a fresh ("healthy") OCP < 4.14.18 cluster to 4.14.24 results in almost doubling of the etcd_network_peer_round_trip_time_seconds_bucket metric from +/- 15ms to +/- 25ms.

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

      upgrade from 4.14.18 and 4.14.24

      How reproducible:

      Steps to Reproduce:

          1. install new cluster <= 4.14.18
    2. etcd_network_peer_round_trip_time_seconds_bucket value is +/- 15ms
    3. upgrade to 4.14.24
    4. etcd_network_peer_round_trip_time_seconds_bucket value is doubled to +/- 25ms    

      Actual results:

      Expected results:

      Additional info:

       

        1. image-2024-07-01-12-40-50-535.png
          84 kB
          Thomas Jungblut
        2. image-2024-07-01-12-49-20-303.png
          122 kB
          Thomas Jungblut

            spasquie@redhat.com Simon Pasquier
            rhn-support-bverschu Bram Verschueren
            Ge Liu Ge Liu
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              Created:
              Updated: