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  1. Core Server
  2. SERVER-63278

Use LogicalTime for cluster server parameter generations

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    • Icon: Task Task
    • Resolution: Fixed
    • Icon: Major - P3 Major - P3
    • 5.3.0
    • None
    • None
    • None
    • Fully Compatible
    • Security 2022-02-07, Security 2022-02-21

    Description

      The original design for PM-2502 specified that `OIDs` would be used for cluster server parameter generations, which is consistent with the format for Runtime Audit Configuration. After further design evolution, it was decided that `LogicalTimes` would be a better fit as they provide a way to determine whether a parameter generation was applied before or after another. Additionally, the generation field on cluster parameter documents and in-memory cluster ServerParameter classes will now be renamed to clusterParameterTime.

      Since Runtime Audit Configuration currently uses OID for its generations, this constitutes a breaking change. For now, migration of RAC to PM-2502 has been deferred to a future milestone and/or project, so we will need to ensure that it continues using its own types and is unaffected by PM-2502 until we explicitly start the migration work.

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            varun.ravichandran@mongodb.com Varun Ravichandran
            varun.ravichandran@mongodb.com Varun Ravichandran
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