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  1. Core Server
  2. SERVER-74214

Cannot downgrade from fresh 6.2 due to oplog cap size

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    • Type: Icon: Bug Bug
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • 7.0.0-rc0
    • Affects Version/s: None
    • Component/s: None
    • None
    • Storage Execution
    • Minor Change
    • ALL
    • v6.3, v6.2
    • Execution Team 2023-04-03
    • 0

      SERVER-67246 unlocked the ability for the oplog capped size to be anything, not just a multiple of 256. This blocks fresh installs from downgrading.
      I think we should fix this by adjusting the oplog cap size algorithm to go back to rounding to the nearest 256. This will avoid problems with on-prem LTS users on 7.0 downgrading to 6.0.

            Assignee:
            matt.kneiser@mongodb.com Matt Kneiser
            Reporter:
            milkie@mongodb.com Eric Milkie
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              Created:
              Updated:
              Resolved: