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  1. Core Server
  2. SERVER-49507

Reduce memory consumption in startup repair when rebuilding unique indexes with a large number of duplicate records

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    • Type: Icon: Improvement Improvement
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • 4.7.0, 4.4.2
    • Affects Version/s: None
    • Component/s: None
    • Fully Compatible
    • Execution Team 2020-07-27, Execution Team 2020-08-10
    • 40

      Currently, dumpInsertsFromBulk populates a set of RecordIds (in memory) which contain duplicate unique keys.

       

      The duplicate record ids are iterated through, moved to a lost_and_found collection and deleted. 

            Assignee:
            fausto.leyva@mongodb.com Fausto Leyva (Inactive)
            Reporter:
            fausto.leyva@mongodb.com Fausto Leyva (Inactive)
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              Created:
              Updated:
              Resolved: