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  1. OpenShift Node
  2. OCPNODE-2204

Support lazy image pull in Openshift

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    • Icon: Epic Epic
    • Resolution: Unresolved
    • Icon: Undefined Undefined
    • None
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    • Support lazy image pull in Openshift
    • Strategic Product Work
    • False
    • None
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    • Not Selected
    • To Do
    • OCPSTRAT-1285 - Speeding Up Pulling Container Images
    • OCPSTRAT-1285Speeding Up Pulling Container Images
    • 50% To Do, 7% In Progress, 43% Done
    • XL

      OCP/Telco Definition of Done
      Epic Template descriptions and documentation.

      <--- Cut-n-Paste the entire contents of this description into your new Epic --->

      Epic Goal

      • Support lazy image pull in Openshift

      Why is this important?

      • Lazy image pull allows faster start up of containers which in turn improves serverless cold start time. 

      Scenarios

      1. As a cluster admin I would like to start the container images as fast as possible, even on the node where the respective container image is does not exist already.

      Acceptance Criteria

      • CI - MUST be running successfully with tests automated
      • Release Technical Enablement - Provide necessary release enablement details and documents

      Dependencies (internal and external)

      1. Non-blocking dep on c/storage - This feature requires modifying a config file used by c/storage. If the c/storage supports drop-in config, then OCP won't have to override entire storage configuration. 

      Previous Work (Optional):

      1. https://github.com/containerd/stargz-snapshotter

      Open questions::

      Done Checklist

      • CI - CI is running, tests are automated and merged.
      • Release Enablement <link to Feature Enablement Presentation>
      • DEV - Upstream code and tests merged: <link to meaningful PR or GitHub Issue>
      • DEV - Upstream documentation merged: <link to meaningful PR or GitHub Issue>
      • DEV - Downstream build attached to advisory: <link to errata>
      • QE - Test plans in Polarion: <link or reference to Polarion>
      • QE - Automated tests merged: <link or reference to automated tests>
      • DOC - Downstream documentation merged: <link to meaningful PR>

            harpatil@redhat.com Harshal Patil
            harpatil@redhat.com Harshal Patil
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              Created:
              Updated: