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  1. Core Server
  2. SERVER-32825

Add the infrastructure for upgrade/downgrade of V2Unique indexes

    • Type: Icon: Improvement Improvement
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • 4.0.0-rc0
    • Affects Version/s: None
    • Component/s: Storage
    • None
    • Fully Compatible
    • Storage Non-NYC 2018-03-12, Storage Non-NYC 2018-03-26, Storage Non-NYC 2018-04-09, Storage Non-NYC 2018-04-23, Storage Non-NYC 2018-05-07, Storage Non-NYC 2018-05-21
    • 3

      Addition of new index format allows use of both V2 and V2Unique format. Initially we would add a gating variable to select the unique index format. Switch to FCV as the deciding factor for which format should be used.

      • Setting FCV=4.2 will cause all unique indexes to be updated to V2Unique. Do not update the content of the indexes.
      • Having FCV=4.0 would create older V2 format indexes

            Assignee:
            neha.khatri Neha Khatri
            Reporter:
            neha.khatri Neha Khatri
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              Created:
              Updated:
              Resolved: