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  1. OpenShift Bugs
  2. OCPBUGS-53259

HostedCluster registry and release providers are recreated on every reconcile

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: Major Major
    • 4.20.0
    • 4.16, 4.17, 4.18, 4.19
    • HyperShift
    • Quality / Stability / Reliability
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    • Important
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    • Proposed
    • Bug Fix
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      Before this update, hosted control planes did not persist registry metadata and release image provider caches in the `HostedCluster` resource. As a consequence, caches for release and image metadata reset on controller restarts or updates. This release introduces a persistent registry provider in the `HostedCluster` resource to fix cache loss and enable dynamic OpenShift image registry overrides. Release and image metadata caches now survive restarts and updates, and registry overrides can be refreshed dynamically, improving uptime and mirror policy flexibility for hosted clusters.
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      Before this update, hosted control planes did not persist registry metadata and release image provider caches in the `HostedCluster` resource. As a consequence, caches for release and image metadata reset on controller restarts or updates. This release introduces a persistent registry provider in the `HostedCluster` resource to fix cache loss and enable dynamic OpenShift image registry overrides. Release and image metadata caches now survive restarts and updates, and registry overrides can be refreshed dynamically, improving uptime and mirror policy flexibility for hosted clusters.
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      Description of problem:

       

      As described in Hypershift issues at scale - OCPBUGS-52256, the memory usage of hypershift quickly grows causing issues. This is caused in part by the the registry and release providers being recreated on every reconcile call. This results in the cached images never being used and new caches being created. This issue was introduced in the fix for OCBUGS-29110.
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              rcradick Ryan Cradick
              rcradick Ryan Cradick
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              Ke Wang Ke Wang
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                Created:
                Updated: