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  1. Core Server
  2. SERVER-97625

Use roaring bitmaps for RecordId deduplication in SBE

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    • Type: Icon: Improvement Improvement
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • 8.1.0-rc0
    • Affects Version/s: None
    • Component/s: None
    • Query Execution
    • Fully Compatible
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      When scanning multi-key indexes, deduplication can consume unbounded amount of memory. In Classic we introduced more memory-efficient solution in SERVER-87976.
      We should do the same for SBE.

            Assignee:
            rui.liu@mongodb.com Rui Liu
            Reporter:
            ivan.fefer@mongodb.com Ivan Fefer
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