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  1. Core Server
  2. SERVER-68125

Index build on multi-key fields can consume more memory than limit

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    • Type: Icon: Bug Bug
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • 6.0.4, 6.2.0-rc0
    • Affects Version/s: 5.0.9, 6.0.0-rc5
    • Component/s: None
    • None
    • Fully Compatible
    • ALL
    • v6.0, v5.0
    • Execution Team 2022-08-08, Execution Team 2022-08-22, Execution Team 2022-09-05, Execution Team 2022-09-19, Execution Team 2022-10-03, Execution Team 2022-10-17, Execution Team 2022-10-31

      This bug describes a problem when indexing documents that generate multiple keys with many duplicate values. We don't count these duplicate keys towards the memory we are using, which can result in using significantly more memory than intended.

        1. Screenshot 2022-08-12 at 12.05.55.png
          Screenshot 2022-08-12 at 12.05.55.png
          118 kB

            Assignee:
            louis.williams@mongodb.com Louis Williams
            Reporter:
            louis.williams@mongodb.com Louis Williams
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              Created:
              Updated:
              Resolved: