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  1. Core Server
  2. SERVER-75081

OplogTruncateMarkers don't preserve OplogStone legacy initialisation behavior

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Details

    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: Major - P3 Major - P3
    • 7.0.0-rc0
    • None
    • None
    • None
    • Fully Compatible
    • ALL
    • Execution Team 2023-04-03
    • 20

    Description

      There is a difference between OplogTruncateMarkers and legacy OplogStones on how to determine whether to sample or scan the existing oplog recordstore.

      Prior to SERVER-46870, the OplogStones (now renamed OplogTruncateMarkers) were computed via scanning based on "numStonesToKeep".

       

      Post SERVER-46870, scanning is performed pending a constraint that isn't equivalent unless dataSize were equivalent to the maxSize. 

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            haley.connelly@mongodb.com Haley Connelly
            haley.connelly@mongodb.com Haley Connelly
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