Investigate updating heap-based $maxN/$topN in SBE group implementation to multiset/multimap

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    • Type: Improvement
    • Resolution: Done
    • Priority: Major - P3
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    • Affects Version/s: None
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    • Query Execution
    • QE 2023-11-27
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    • 3
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      The SBE implementation of $minN/$topN in group stage is implemented using a heap. As part of the implementation in SBE of $minN/$topN for the window stage, the multiset/multimap data structure was introduced.  We should replace the heap with multiset/multimap if it has performance gains. 

            Assignee:
            Projjal Chanda
            Reporter:
            Foteini Alvanaki
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              Created:
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